[15c7d39] | 1 | /* slidy.js
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| 2 |
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| 3 | Copyright (c) 2005-2011 W3C (MIT, ERCIM, Keio), All Rights Reserved.
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| 4 | W3C liability, trademark, document use and software licensing
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| 5 | rules apply, see:
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| 6 |
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| 7 | http://www.w3.org/Consortium/Legal/copyright-documents
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| 8 | http://www.w3.org/Consortium/Legal/copyright-software
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| 9 |
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| 10 | Defines single name "w3c_slidy" in global namespace
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| 11 | Adds event handlers without trampling on any others
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| 12 | */
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| 13 |
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| 14 | // the slidy object implementation
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| 15 | var w3c_slidy = {
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| 16 | // classify which kind of browser we're running under
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| 17 | ns_pos: (typeof window.pageYOffset!='undefined'),
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| 18 | khtml: ((navigator.userAgent).indexOf("KHTML") >= 0 ? true : false),
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| 19 | opera: ((navigator.userAgent).indexOf("Opera") >= 0 ? true : false),
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| 20 | ipad: ((navigator.userAgent).indexOf("iPad") >= 0 ? true : false),
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| 21 | iphone: ((navigator.userAgent).indexOf("iPhone") >= 0 ? true : false),
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| 22 | android: ((navigator.userAgent).indexOf("Android") >= 0 ? true : false),
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| 23 | ie: (typeof document.all != "undefined" && !this.opera),
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| 24 | ie6: (!this.ns_pos && navigator.userAgent.indexOf("MSIE 6") != -1),
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| 25 | ie7: (!this.ns_pos && navigator.userAgent.indexOf("MSIE 7") != -1),
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| 26 | ie8: (!this.ns_pos && navigator.userAgent.indexOf("MSIE 8") != -1),
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| 27 | ie9: (!this.ns_pos && navigator.userAgent.indexOf("MSIE 9") != -1),
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| 28 |
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| 29 | // data for swipe and double tap detection on touch screens
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| 30 | last_tap: 0,
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| 31 | prev_tap: 0,
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| 32 | start_x: 0,
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| 33 | start_y: 0,
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| 34 | delta_x: 0,
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| 35 | delta_y: 0,
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| 36 |
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| 37 | // are we running as XHTML? (doesn't work on Opera)
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| 38 | is_xhtml: /xml/.test(document.contentType),
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| 39 |
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| 40 | slide_number: 0, // integer slide count: 0, 1, 2, ...
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| 41 | slide_number_element: null, // element containing slide number
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| 42 | slides: [], // set to array of slide div's
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| 43 | notes: [], // set to array of handout div's
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| 44 | backgrounds: [], // set to array of background div's
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| 45 | toolbar: null, // element containing toolbar
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| 46 | title: null, // document title
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| 47 | last_shown: null, // last incrementally shown item
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| 48 | eos: null, // span element for end of slide indicator
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| 49 | toc: null, // table of contents
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| 50 | outline: null, // outline element with the focus
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| 51 | selected_text_len: 0, // length of drag selection on document
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| 52 | view_all: 0, // 1 to view all slides + handouts
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| 53 | want_toolbar: true, // user preference to show/hide toolbar
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| 54 | mouse_click_enabled: true, // enables left click for next slide
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| 55 | scroll_hack: 0, // IE work around for position: fixed
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| 56 | disable_slide_click: false, // used by clicked anchors
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| 57 |
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| 58 | lang: "en", // updated to language specified by html file
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| 59 |
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| 60 | help_anchor: null, // used for keyboard focus hack in showToolbar()
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| 61 | help_page: "http://www.w3.org/Talks/Tools/Slidy2/help/help.html",
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| 62 | help_text: "Navigate with mouse click, space bar, Cursor Left/Right, " +
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| 63 | "or Pg Up and Pg Dn. Use S and B to change font size.",
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| 64 |
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| 65 | size_index: 0,
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| 66 | size_adjustment: 0,
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| 67 | sizes: new Array("10pt", "12pt", "14pt", "16pt", "18pt", "20pt",
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| 68 | "22pt", "24pt", "26pt", "28pt", "30pt", "32pt"),
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| 69 |
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| 70 | // needed for efficient resizing
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| 71 | last_width: 0,
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| 72 | last_height: 0,
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| 73 |
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| 74 |
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| 75 | // Needed for cross browser support for relative width/height on
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| 76 | // object elements. The work around is to save width/height attributes
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| 77 | // and then to recompute absolute width/height dimensions on resizing
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| 78 | objects: [],
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| 79 |
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| 80 | // attach initialiation event handlers
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| 81 | set_up: function () {
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| 82 | var init = function() { w3c_slidy.init(); };
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| 83 | if (typeof window.addEventListener != "undefined")
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| 84 | window.addEventListener("load", init, false);
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| 85 | else
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| 86 | window.attachEvent("onload", init);
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| 87 | },
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| 88 |
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| 89 | hide_slides: function () {
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| 90 | if (document.body && !w3c_slidy.initialized)
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| 91 | document.body.style.visibility = "hidden";
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| 92 | else
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| 93 | setTimeout(w3c_slidy.hide_slides, 50);
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| 94 | },
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| 95 |
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| 96 | // hack to persuade IE to compute correct document height
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| 97 | // as needed for simulating fixed positioning of toolbar
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| 98 | ie_hack: function () {
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| 99 | window.resizeBy(0,-1);
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| 100 | window.resizeBy(0, 1);
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| 101 | },
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| 102 |
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| 103 | init: function () {
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| 104 | //alert("slidy starting test 10");
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| 105 | document.body.style.visibility = "visible";
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| 106 | this.init_localization();
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| 107 | this.add_toolbar();
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| 108 | this.wrap_implicit_slides();
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| 109 | this.collect_slides();
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| 110 | this.collect_notes();
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| 111 | this.collect_backgrounds();
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| 112 | this.objects = document.body.getElementsByTagName("object");
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| 113 | this.patch_anchors();
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| 114 | this.slide_number = this.find_slide_number(location.href);
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| 115 | window.offscreenbuffering = true;
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| 116 | this.size_adjustment = this.find_size_adjust();
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| 117 | this.time_left = this.find_duration();
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| 118 | this.hide_image_toolbar(); // suppress IE image toolbar popup
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| 119 | this.init_outliner(); // activate fold/unfold support
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| 120 | this.title = document.title;
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| 121 | this.keyboardless = (this.ipad||this.iphone||this.android);
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| 122 |
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| 123 | if (this.keyboardless)
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| 124 | {
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| 125 | w3c_slidy.remove_class(w3c_slidy.toolbar, "hidden")
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| 126 | this.want_toolbar = 0;
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| 127 | }
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| 128 |
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| 129 | // work around for opera bug
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| 130 | this.is_xhtml = (document.body.tagName == "BODY" ? false : true);
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| 131 |
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| 132 | if (this.slides.length > 0)
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| 133 | {
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| 134 | var slide = this.slides[this.slide_number];
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| 135 |
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| 136 | if (this.slide_number > 0)
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| 137 | {
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| 138 | this.set_visibility_all_incremental("visible");
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| 139 | this.last_shown = this.previous_incremental_item(null);
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| 140 | this.set_eos_status(true);
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| 141 | }
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| 142 | else
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| 143 | {
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| 144 | this.last_shown = null;
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| 145 | this.set_visibility_all_incremental("hidden");
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| 146 | this.set_eos_status(!this.next_incremental_item(this.last_shown));
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| 147 | }
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| 148 |
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| 149 | this.set_location();
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| 150 | this.add_class(this.slides[0], "first-slide");
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| 151 | w3c_slidy.show_slide(slide);
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| 152 | }
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| 153 |
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| 154 | this.toc = this.table_of_contents();
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| 155 |
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| 156 | this.add_initial_prompt();
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| 157 |
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| 158 | // bind event handlers without interfering with custom page scripts
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| 159 | // Tap events behave too weirdly to support clicks reliably on
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| 160 | // iPhone and iPad, so exclude these from click handler
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| 161 |
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| 162 | if (!this.keyboardless)
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| 163 | this.add_listener(document.body, "click", this.mouse_button_click);
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| 164 |
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| 165 | this.add_listener(document, "keydown", this.key_down);
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| 166 | this.add_listener(document, "keypress", this.key_press);
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| 167 | this.add_listener(window, "resize", this.resized);
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| 168 | this.add_listener(window, "scroll", this.scrolled);
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| 169 | this.add_listener(window, "unload", this.unloaded);
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| 170 |
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| 171 | this.add_listener(document, "touchstart", this.touchstart);
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| 172 | this.add_listener(document, "touchmove", this.touchmove);
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| 173 | this.add_listener(document, "touchend", this.touchend);
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| 174 |
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| 175 | // this seems to be a debugging hack
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| 176 | //if (!document.body.onclick)
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| 177 | // document.body.onclick = function () { };
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| 178 |
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| 179 | this.single_slide_view();
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| 180 |
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| 181 | //this.set_location();
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| 182 |
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| 183 | this.resized();
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| 184 |
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| 185 | if (this.ie7)
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| 186 | setTimeout(w3c_slidy.ie_hack, 100);
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| 187 |
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| 188 | this.show_toolbar();
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| 189 |
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| 190 | // for back button detection
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| 191 | setInterval(function () { w3c_slidy.check_location(); }, 200);
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| 192 | w3c_slidy.initialized = true;
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| 193 | },
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| 194 |
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| 195 | // create div element with links to each slide
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| 196 | table_of_contents: function () {
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| 197 | var toc = this.create_element("div");
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| 198 | this.add_class(toc, "slidy_toc hidden");
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| 199 | //toc.setAttribute("tabindex", "0");
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| 200 |
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| 201 | var heading = this.create_element("div");
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| 202 | this.add_class(heading, "toc-heading");
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| 203 | heading.innerHTML = this.localize("Table of Contents");
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| 204 |
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| 205 | toc.appendChild(heading);
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| 206 | var previous = null;
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| 207 |
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| 208 | for (var i = 0; i < this.slides.length; ++i)
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| 209 | {
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| 210 | var title = this.has_class(this.slides[i], "title");
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| 211 | var num = document.createTextNode((i + 1) + ". ");
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| 212 |
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| 213 | toc.appendChild(num);
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| 214 |
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| 215 | var a = this.create_element("a");
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| 216 | a.setAttribute("href", "#(" + (i+1) + ")");
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| 217 |
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| 218 | if (title)
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| 219 | this.add_class(a, "titleslide");
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| 220 |
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| 221 | var name = document.createTextNode(this.slide_name(i));
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| 222 | a.appendChild(name);
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| 223 | a.onclick = w3c_slidy.toc_click;
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| 224 | a.onkeydown = w3c_slidy.toc_key_down;
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| 225 | a.previous = previous;
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| 226 |
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| 227 | if (previous)
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| 228 | previous.next = a;
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| 229 |
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| 230 | toc.appendChild(a);
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| 231 |
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| 232 | if (i == 0)
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| 233 | toc.first = a;
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| 234 |
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| 235 | if (i < this.slides.length - 1)
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| 236 | {
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| 237 | var br = this.create_element("br");
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| 238 | toc.appendChild(br);
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| 239 | }
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| 240 |
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| 241 | previous = a;
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| 242 | }
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| 243 |
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| 244 | toc.focus = function () {
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| 245 | if (this.first)
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| 246 | this.first.focus();
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| 247 | }
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| 248 |
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| 249 | toc.onmouseup = w3c_slidy.mouse_button_up;
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| 250 |
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| 251 | toc.onclick = function (e) {
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| 252 | e||(e=window.event);
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| 253 |
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| 254 | if (w3c_slidy.selected_text_len <= 0)
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| 255 | w3c_slidy.hide_table_of_contents(true);
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| 256 |
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| 257 | w3c_slidy.stop_propagation(e);
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| 258 |
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| 259 | if (e.cancel != undefined)
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| 260 | e.cancel = true;
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| 261 |
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| 262 | if (e.returnValue != undefined)
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| 263 | e.returnValue = false;
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| 264 |
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| 265 | return false;
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| 266 | };
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| 267 |
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| 268 | document.body.insertBefore(toc, document.body.firstChild);
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| 269 | return toc;
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| 270 | },
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| 271 |
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| 272 | is_shown_toc: function () {
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| 273 | return !w3c_slidy.has_class(w3c_slidy.toc, "hidden");
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| 274 | },
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| 275 |
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| 276 | show_table_of_contents: function () {
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| 277 | w3c_slidy.remove_class(w3c_slidy.toc, "hidden");
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| 278 | var toc = w3c_slidy.toc;
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| 279 | toc.focus();
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| 280 |
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| 281 | if (w3c_slidy.ie7 && w3c_slidy.slide_number == 0)
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| 282 | setTimeout(w3c_slidy.ie_hack, 100);
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| 283 | },
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| 284 |
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| 285 | hide_table_of_contents: function (focus) {
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| 286 | w3c_slidy.add_class(w3c_slidy.toc, "hidden");
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| 287 |
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| 288 | if (focus && !w3c_slidy.opera)
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| 289 | w3c_slidy.help_anchor.focus();
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| 290 | },
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| 291 |
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| 292 | toggle_table_of_contents: function () {
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| 293 | if (w3c_slidy.is_shown_toc())
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| 294 | w3c_slidy.hide_table_of_contents(true);
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| 295 | else
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| 296 | w3c_slidy.show_table_of_contents();
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| 297 | },
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| 298 |
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| 299 | // called on clicking toc entry
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| 300 | toc_click: function (e) {
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| 301 | if (!e)
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| 302 | e = window.event;
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| 303 |
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| 304 | var target = w3c_slidy.get_target(e);
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| 305 |
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| 306 | if (target && target.nodeType == 1)
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| 307 | {
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| 308 | var uri = target.getAttribute("href");
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| 309 |
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| 310 | if (uri)
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| 311 | {
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| 312 | //alert("going to " + uri);
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| 313 | var slide = w3c_slidy.slides[w3c_slidy.slide_number];
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| 314 | w3c_slidy.hide_slide(slide);
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| 315 | w3c_slidy.slide_number = w3c_slidy.find_slide_number(uri);
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| 316 | slide = w3c_slidy.slides[w3c_slidy.slide_number];
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| 317 | w3c_slidy.last_shown = null;
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| 318 | w3c_slidy.set_location();
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| 319 | w3c_slidy.set_visibility_all_incremental("hidden");
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| 320 | w3c_slidy.set_eos_status(!w3c_slidy.next_incremental_item(w3c_slidy.last_shown));
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| 321 | w3c_slidy.show_slide(slide);
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| 322 | //target.focus();
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| 323 |
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| 324 | try
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| 325 | {
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| 326 | if (!w3c_slidy.opera)
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| 327 | w3c_slidy.help_anchor.focus();
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| 328 | }
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| 329 | catch (e)
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| 330 | {
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| 331 | }
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| 332 | }
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| 333 | }
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| 334 |
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| 335 | w3c_slidy.hide_table_of_contents(true);
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| 336 | if (w3c_slidy.ie7) w3c_slidy.ie_hack();
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| 337 | w3c_slidy.stop_propagation(e);
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| 338 | return w3c_slidy.cancel(e);
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| 339 | },
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| 340 |
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| 341 | // called onkeydown for toc entry
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| 342 | toc_key_down: function (event) {
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| 343 | var key;
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| 344 |
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| 345 | if (!event)
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| 346 | var event = window.event;
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| 347 |
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| 348 | // kludge around NS/IE differences
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| 349 | if (window.event)
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| 350 | key = window.event.keyCode;
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| 351 | else if (event.which)
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| 352 | key = event.which;
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| 353 | else
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| 354 | return true; // Yikes! unknown browser
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| 355 |
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| 356 | // ignore event if key value is zero
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| 357 | // as for alt on Opera and Konqueror
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| 358 | if (!key)
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| 359 | return true;
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| 360 |
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| 361 | // check for concurrent control/command/alt key
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| 362 | // but are these only present on mouse events?
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| 363 |
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| 364 | if (event.ctrlKey || event.altKey)
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| 365 | return true;
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| 366 |
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| 367 | if (key == 13)
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| 368 | {
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| 369 | var uri = this.getAttribute("href");
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| 370 |
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| 371 | if (uri)
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| 372 | {
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| 373 | //alert("going to " + uri);
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| 374 | var slide = w3c_slidy.slides[w3c_slidy.slide_number];
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| 375 | w3c_slidy.hide_slide(slide);
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| 376 | w3c_slidy.slide_number = w3c_slidy.find_slide_number(uri);
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| 377 | slide = w3c_slidy.slides[w3c_slidy.slide_number];
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| 378 | w3c_slidy.last_shown = null;
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| 379 | w3c_slidy.set_location();
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| 380 | w3c_slidy.set_visibility_all_incremental("hidden");
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| 381 | w3c_slidy.set_eos_status(!w3c_slidy.next_incremental_item(w3c_slidy.last_shown));
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| 382 | w3c_slidy.show_slide(slide);
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| 383 | //target.focus();
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| 384 |
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| 385 | try
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| 386 | {
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| 387 | if (!w3c_slidy.opera)
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| 388 | w3c_slidy.help_anchor.focus();
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| 389 | }
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| 390 | catch (e)
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| 391 | {
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| 392 | }
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| 393 | }
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| 394 |
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| 395 | w3c_slidy.hide_table_of_contents(true);
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| 396 |
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| 397 | if (self.ie7)
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| 398 | w3c_slidy.ie_hack();
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| 399 |
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| 400 | return w3c_slidy.cancel(event);
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| 401 | }
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| 402 |
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| 403 | if (key == 40 && this.next)
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| 404 | {
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| 405 | this.next.focus();
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| 406 | return w3c_slidy.cancel(event);
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| 407 | }
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| 408 |
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| 409 | if (key == 38 && this.previous)
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| 410 | {
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| 411 | this.previous.focus();
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| 412 | return w3c_slidy.cancel(event);
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| 413 | }
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| 414 |
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| 415 | return true;
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| 416 | },
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| 417 |
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| 418 | touchstart: function (e)
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| 419 | {
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| 420 | //e.preventDefault();
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| 421 | this.prev_tap = this.last_tap;
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| 422 | this.last_tap = (new Date).getTime();
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| 423 |
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| 424 | var tap_delay = this.last_tap - this.prev_tap;
|
---|
| 425 |
|
---|
| 426 | if (tap_delay <= 200)
|
---|
| 427 | {
|
---|
| 428 | // double tap
|
---|
| 429 | }
|
---|
| 430 |
|
---|
| 431 | var touch = e.touches[0];
|
---|
| 432 |
|
---|
| 433 | this.start_x = touch.pageX;
|
---|
| 434 | this.start_y = touch.pageY;
|
---|
| 435 | this.delta_x = this.delta_y = 0;
|
---|
| 436 | },
|
---|
| 437 |
|
---|
| 438 | touchmove: function (e)
|
---|
| 439 | {
|
---|
| 440 | //e.preventDefault();
|
---|
| 441 | var touch = e.touches[0];
|
---|
| 442 | this.delta_x = touch.pageX - this.start_x;
|
---|
| 443 | this.delta_y = touch.pageY - this.start_y;
|
---|
| 444 | },
|
---|
| 445 |
|
---|
| 446 | touchend: function (e)
|
---|
| 447 | {
|
---|
| 448 | //e.preventDefault();
|
---|
| 449 | var delay = (new Date).getTime() - this.last_tap;
|
---|
| 450 | var dx = this.delta_x;
|
---|
| 451 | var dy = this.delta_y;
|
---|
| 452 | var abs_dx = Math.abs(dx);
|
---|
| 453 | var abs_dy = Math.abs(dy);
|
---|
| 454 |
|
---|
| 455 | if (delay < 500 && (abs_dx > 100 || abs_dy > 100))
|
---|
| 456 | {
|
---|
| 457 | if (abs_dx > 0.5 * abs_dy)
|
---|
| 458 | {
|
---|
| 459 | if (dx < 0)
|
---|
| 460 | w3c_slidy.next_slide(true);
|
---|
| 461 | else
|
---|
| 462 | w3c_slidy.previous_slide(true);
|
---|
| 463 | }
|
---|
| 464 | else if (abs_dy > 2 * abs_dx)
|
---|
| 465 | {
|
---|
| 466 | w3c_slidy.toggle_table_of_contents();
|
---|
| 467 | }
|
---|
| 468 | }
|
---|
| 469 | },
|
---|
| 470 |
|
---|
| 471 | // ### OBSOLETE ###
|
---|
| 472 | before_print: function () {
|
---|
| 473 | this.show_all_slides();
|
---|
| 474 | this.hide_toolbar();
|
---|
| 475 | alert("before print");
|
---|
| 476 | },
|
---|
| 477 |
|
---|
| 478 | // ### OBSOLETE ###
|
---|
| 479 | after_print: function () {
|
---|
| 480 | if (!this.view_all)
|
---|
| 481 | {
|
---|
| 482 | this.single_slide_view();
|
---|
| 483 | this.show_toolbar();
|
---|
| 484 | }
|
---|
| 485 | alert("after print");
|
---|
| 486 | },
|
---|
| 487 |
|
---|
| 488 | // ### OBSOLETE ###
|
---|
| 489 | print_slides: function () {
|
---|
| 490 | this.before_print();
|
---|
| 491 | window.print();
|
---|
| 492 | this.after_print();
|
---|
| 493 | },
|
---|
| 494 |
|
---|
| 495 | // ### OBSOLETE ?? ###
|
---|
| 496 | toggle_view: function () {
|
---|
| 497 | if (this.view_all)
|
---|
| 498 | {
|
---|
| 499 | this.single_slide_view();
|
---|
| 500 | this.show_toolbar();
|
---|
| 501 | this.view_all = 0;
|
---|
| 502 | }
|
---|
| 503 | else
|
---|
| 504 | {
|
---|
| 505 | this.show_all_slides();
|
---|
| 506 | this.hide_toolbar();
|
---|
| 507 | this.view_all = 1;
|
---|
| 508 | }
|
---|
| 509 | },
|
---|
| 510 |
|
---|
| 511 | // prepare for printing ### OBSOLETE ###
|
---|
| 512 | show_all_slides: function () {
|
---|
| 513 | this.remove_class(document.body, "single_slide");
|
---|
| 514 | this.set_visibility_all_incremental("visible");
|
---|
| 515 | },
|
---|
| 516 |
|
---|
| 517 | // restore after printing ### OBSOLETE ###
|
---|
| 518 | single_slide_view: function () {
|
---|
| 519 | this.add_class(document.body, "single_slide");
|
---|
| 520 | this.set_visibility_all_incremental("visible");
|
---|
| 521 | this.last_shown = this.previous_incremental_item(null);
|
---|
| 522 | },
|
---|
| 523 |
|
---|
| 524 | // suppress IE's image toolbar pop up
|
---|
| 525 | hide_image_toolbar: function () {
|
---|
| 526 | if (!this.ns_pos)
|
---|
| 527 | {
|
---|
| 528 | var images = document.getElementsByTagName("IMG");
|
---|
| 529 |
|
---|
| 530 | for (var i = 0; i < images.length; ++i)
|
---|
| 531 | images[i].setAttribute("galleryimg", "no");
|
---|
| 532 | }
|
---|
| 533 | },
|
---|
| 534 |
|
---|
| 535 | unloaded: function (e) {
|
---|
| 536 | //alert("unloaded");
|
---|
| 537 | },
|
---|
| 538 |
|
---|
| 539 | // Safari and Konqueror don't yet support getComputedStyle()
|
---|
| 540 | // and they always reload page when location.href is updated
|
---|
| 541 | is_KHTML: function () {
|
---|
| 542 | var agent = navigator.userAgent;
|
---|
| 543 | return (agent.indexOf("KHTML") >= 0 ? true : false);
|
---|
| 544 | },
|
---|
| 545 |
|
---|
| 546 | // find slide name from first h1 element
|
---|
| 547 | // default to document title + slide number
|
---|
| 548 | slide_name: function (index) {
|
---|
| 549 | var name = null;
|
---|
| 550 | var slide = this.slides[index];
|
---|
| 551 |
|
---|
| 552 | var heading = this.find_heading(slide);
|
---|
| 553 |
|
---|
| 554 | if (heading)
|
---|
| 555 | name = this.extract_text(heading);
|
---|
| 556 |
|
---|
| 557 | if (!name)
|
---|
| 558 | name = this.title + "(" + (index + 1) + ")";
|
---|
| 559 |
|
---|
| 560 | name.replace(/\&/g, "&");
|
---|
| 561 | name.replace(/\</g, "<");
|
---|
| 562 | name.replace(/\>/g, ">");
|
---|
| 563 |
|
---|
| 564 | return name;
|
---|
| 565 | },
|
---|
| 566 |
|
---|
| 567 | // find first h1 element in DOM tree
|
---|
| 568 | find_heading: function (node) {
|
---|
| 569 | if (!node || node.nodeType != 1)
|
---|
| 570 | return null;
|
---|
| 571 |
|
---|
| 572 | if (node.nodeName == "H1" || node.nodeName == "h1")
|
---|
| 573 | return node;
|
---|
| 574 |
|
---|
| 575 | var child = node.firstChild;
|
---|
| 576 |
|
---|
| 577 | while (child)
|
---|
| 578 | {
|
---|
| 579 | node = this.find_heading(child);
|
---|
| 580 |
|
---|
| 581 | if (node)
|
---|
| 582 | return node;
|
---|
| 583 |
|
---|
| 584 | child = child.nextSibling;
|
---|
| 585 | }
|
---|
| 586 |
|
---|
| 587 | return null;
|
---|
| 588 | },
|
---|
| 589 |
|
---|
| 590 | // recursively extract text from DOM tree
|
---|
| 591 | extract_text: function (node) {
|
---|
| 592 | if (!node)
|
---|
| 593 | return "";
|
---|
| 594 |
|
---|
| 595 | // text nodes
|
---|
| 596 | if (node.nodeType == 3)
|
---|
| 597 | return node.nodeValue;
|
---|
| 598 |
|
---|
| 599 | // elements
|
---|
| 600 | if (node.nodeType == 1)
|
---|
| 601 | {
|
---|
| 602 | node = node.firstChild;
|
---|
| 603 | var text = "";
|
---|
| 604 |
|
---|
| 605 | while (node)
|
---|
| 606 | {
|
---|
| 607 | text = text + this.extract_text(node);
|
---|
| 608 | node = node.nextSibling;
|
---|
| 609 | }
|
---|
| 610 |
|
---|
| 611 | return text;
|
---|
| 612 | }
|
---|
| 613 |
|
---|
| 614 | return "";
|
---|
| 615 | },
|
---|
| 616 |
|
---|
| 617 | // find copyright text from meta element
|
---|
| 618 | find_copyright: function () {
|
---|
| 619 | var name, content;
|
---|
| 620 | var meta = document.getElementsByTagName("meta");
|
---|
| 621 |
|
---|
| 622 | for (var i = 0; i < meta.length; ++i)
|
---|
| 623 | {
|
---|
| 624 | name = meta[i].getAttribute("name");
|
---|
| 625 | content = meta[i].getAttribute("content");
|
---|
| 626 |
|
---|
| 627 | if (name == "copyright")
|
---|
| 628 | return content;
|
---|
| 629 | }
|
---|
| 630 |
|
---|
| 631 | return null;
|
---|
| 632 | },
|
---|
| 633 |
|
---|
| 634 | find_size_adjust: function () {
|
---|
| 635 | var name, content, offset;
|
---|
| 636 | var meta = document.getElementsByTagName("meta");
|
---|
| 637 |
|
---|
| 638 | for (var i = 0; i < meta.length; ++i)
|
---|
| 639 | {
|
---|
| 640 | name = meta[i].getAttribute("name");
|
---|
| 641 | content = meta[i].getAttribute("content");
|
---|
| 642 |
|
---|
| 643 | if (name == "font-size-adjustment")
|
---|
| 644 | return 1 * content;
|
---|
| 645 | }
|
---|
| 646 |
|
---|
| 647 | return 1;
|
---|
| 648 | },
|
---|
| 649 |
|
---|
| 650 | // <meta name="duration" content="20" /> for 20 minutes
|
---|
| 651 | find_duration: function () {
|
---|
| 652 | var name, content, offset;
|
---|
| 653 | var meta = document.getElementsByTagName("meta");
|
---|
| 654 |
|
---|
| 655 | for (var i = 0; i < meta.length; ++i)
|
---|
| 656 | {
|
---|
| 657 | name = meta[i].getAttribute("name");
|
---|
| 658 | content = meta[i].getAttribute("content");
|
---|
| 659 |
|
---|
| 660 | if (name == "duration")
|
---|
| 661 | return 60000 * content;
|
---|
| 662 | }
|
---|
| 663 |
|
---|
| 664 | return null;
|
---|
| 665 | },
|
---|
| 666 |
|
---|
| 667 | replace_by_non_breaking_space: function (str) {
|
---|
| 668 | for (var i = 0; i < str.length; ++i)
|
---|
| 669 | str[i] = 160;
|
---|
| 670 | },
|
---|
| 671 |
|
---|
| 672 | // ### CHECK ME ### is use of "li" okay for text/html?
|
---|
| 673 | // for XHTML do we also need to specify namespace?
|
---|
| 674 | init_outliner: function () {
|
---|
| 675 | var items = document.getElementsByTagName("li");
|
---|
| 676 |
|
---|
| 677 | for (var i = 0; i < items.length; ++i)
|
---|
| 678 | {
|
---|
| 679 | var target = items[i];
|
---|
| 680 |
|
---|
| 681 | if (!this.has_class(target.parentNode, "outline"))
|
---|
| 682 | continue;
|
---|
| 683 |
|
---|
| 684 | target.onclick = this.outline_click;
|
---|
| 685 | /* ### more work needed for IE6
|
---|
| 686 | if (!this.ns_pos)
|
---|
| 687 | {
|
---|
| 688 | target.onmouseover = this.hover_outline;
|
---|
| 689 | target.onmouseout = this.unhover_outline;
|
---|
| 690 | }
|
---|
| 691 | */
|
---|
| 692 | if (this.foldable(target))
|
---|
| 693 | {
|
---|
| 694 | target.foldable = true;
|
---|
| 695 | target.onfocus = function () {w3c_slidy.outline = this;};
|
---|
| 696 | target.onblur = function () {w3c_slidy.outline = null;};
|
---|
| 697 |
|
---|
| 698 | if (!target.getAttribute("tabindex"))
|
---|
| 699 | target.setAttribute("tabindex", "0");
|
---|
| 700 |
|
---|
| 701 | if (this.has_class(target, "expand"))
|
---|
| 702 | this.unfold(target);
|
---|
| 703 | else
|
---|
| 704 | this.fold(target);
|
---|
| 705 | }
|
---|
| 706 | else
|
---|
| 707 | {
|
---|
| 708 | this.add_class(target, "nofold");
|
---|
| 709 | target.visible = true;
|
---|
| 710 | target.foldable = false;
|
---|
| 711 | }
|
---|
| 712 | }
|
---|
| 713 | },
|
---|
| 714 |
|
---|
| 715 | foldable: function (item) {
|
---|
| 716 | if (!item || item.nodeType != 1)
|
---|
| 717 | return false;
|
---|
| 718 |
|
---|
| 719 | var node = item.firstChild;
|
---|
| 720 |
|
---|
| 721 | while (node)
|
---|
| 722 | {
|
---|
| 723 | if (node.nodeType == 1 && this.is_block(node))
|
---|
| 724 | return true;
|
---|
| 725 |
|
---|
| 726 | node = node.nextSibling;
|
---|
| 727 | }
|
---|
| 728 |
|
---|
| 729 | return false;
|
---|
| 730 | },
|
---|
| 731 |
|
---|
| 732 | // ### CHECK ME ### switch to add/remove "hidden" class
|
---|
| 733 | fold: function (item) {
|
---|
| 734 | if (item)
|
---|
| 735 | {
|
---|
| 736 | this.remove_class(item, "unfolded");
|
---|
| 737 | this.add_class(item, "folded");
|
---|
| 738 | }
|
---|
| 739 |
|
---|
| 740 | var node = item ? item.firstChild : null;
|
---|
| 741 |
|
---|
| 742 | while (node)
|
---|
| 743 | {
|
---|
| 744 | if (node.nodeType == 1 && this.is_block(node)) // element
|
---|
| 745 | {
|
---|
| 746 | w3c_slidy.add_class(node, "hidden");
|
---|
| 747 | }
|
---|
| 748 |
|
---|
| 749 | node = node.nextSibling;
|
---|
| 750 | }
|
---|
| 751 |
|
---|
| 752 | item.visible = false;
|
---|
| 753 | },
|
---|
| 754 |
|
---|
| 755 | // ### CHECK ME ### switch to add/remove "hidden" class
|
---|
| 756 | unfold: function (item) {
|
---|
| 757 | if (item)
|
---|
| 758 | {
|
---|
| 759 | this.add_class(item, "unfolded");
|
---|
| 760 | this.remove_class(item, "folded");
|
---|
| 761 | }
|
---|
| 762 |
|
---|
| 763 | var node = item ? item.firstChild : null;
|
---|
| 764 |
|
---|
| 765 | while (node)
|
---|
| 766 | {
|
---|
| 767 | if (node.nodeType == 1 && this.is_block(node)) // element
|
---|
| 768 | {
|
---|
| 769 | w3c_slidy.remove_class(node, "hidden");
|
---|
| 770 | }
|
---|
| 771 |
|
---|
| 772 | node = node.nextSibling;
|
---|
| 773 | }
|
---|
| 774 |
|
---|
| 775 | item.visible = true;
|
---|
| 776 | },
|
---|
| 777 |
|
---|
| 778 | outline_click: function (e) {
|
---|
| 779 | if (!e)
|
---|
| 780 | e = window.event;
|
---|
| 781 |
|
---|
| 782 | var rightclick = false;
|
---|
| 783 | var target = w3c_slidy.get_target(e);
|
---|
| 784 |
|
---|
| 785 | while (target && target.visible == undefined)
|
---|
| 786 | target = target.parentNode;
|
---|
| 787 |
|
---|
| 788 | if (!target)
|
---|
| 789 | return true;
|
---|
| 790 |
|
---|
| 791 | if (e.which)
|
---|
| 792 | rightclick = (e.which == 3);
|
---|
| 793 | else if (e.button)
|
---|
| 794 | rightclick = (e.button == 2);
|
---|
| 795 |
|
---|
| 796 | if (!rightclick && target.visible != undefined)
|
---|
| 797 | {
|
---|
| 798 | if (target.foldable)
|
---|
| 799 | {
|
---|
| 800 | if (target.visible)
|
---|
| 801 | w3c_slidy.fold(target);
|
---|
| 802 | else
|
---|
| 803 | w3c_slidy.unfold(target);
|
---|
| 804 | }
|
---|
| 805 |
|
---|
| 806 | w3c_slidy.stop_propagation(e);
|
---|
| 807 | e.cancel = true;
|
---|
| 808 | e.returnValue = false;
|
---|
| 809 | }
|
---|
| 810 |
|
---|
| 811 | return false;
|
---|
| 812 | },
|
---|
| 813 |
|
---|
| 814 | add_initial_prompt: function () {
|
---|
| 815 | var prompt = this.create_element("div");
|
---|
| 816 | prompt.setAttribute("class", "initial_prompt");
|
---|
| 817 |
|
---|
| 818 | var p1 = this.create_element("p");
|
---|
| 819 | prompt.appendChild(p1);
|
---|
| 820 | p1.setAttribute("class", "help");
|
---|
| 821 |
|
---|
| 822 | if (this.keyboardless)
|
---|
| 823 | p1.innerHTML = "swipe left to move to next slide";
|
---|
| 824 | else
|
---|
| 825 | p1.innerHTML = "Space, Right Arrow or swipe left to move to " +
|
---|
| 826 | "next slide, click help below for more details";
|
---|
| 827 |
|
---|
| 828 | this.add_listener(prompt, "click", function (e) {
|
---|
| 829 | document.body.removeChild(prompt);
|
---|
| 830 | w3c_slidy.stop_propagation(e);
|
---|
| 831 |
|
---|
| 832 | if (e.cancel != undefined)
|
---|
| 833 | e.cancel = true;
|
---|
| 834 |
|
---|
| 835 | if (e.returnValue != undefined)
|
---|
| 836 | e.returnValue = false;
|
---|
| 837 |
|
---|
| 838 | return false;
|
---|
| 839 | });
|
---|
| 840 |
|
---|
| 841 | document.body.appendChild(prompt);
|
---|
| 842 | this.initial_prompt = prompt;
|
---|
| 843 | setTimeout(function() {document.body.removeChild(prompt);}, 5000);
|
---|
| 844 | },
|
---|
| 845 |
|
---|
| 846 | add_toolbar: function () {
|
---|
| 847 | var counter, page;
|
---|
| 848 |
|
---|
| 849 | this.toolbar = this.create_element("div");
|
---|
| 850 | this.toolbar.setAttribute("class", "toolbar");
|
---|
| 851 |
|
---|
| 852 | // a reasonably behaved browser
|
---|
| 853 | if (this.ns_pos || !this.ie6)
|
---|
| 854 | {
|
---|
| 855 | var right = this.create_element("div");
|
---|
| 856 | right.setAttribute("style", "float: right; text-align: right");
|
---|
| 857 |
|
---|
| 858 | counter = this.create_element("span")
|
---|
| 859 | counter.innerHTML = this.localize("slide") + " n/m";
|
---|
| 860 | right.appendChild(counter);
|
---|
| 861 | this.toolbar.appendChild(right);
|
---|
| 862 |
|
---|
| 863 | var left = this.create_element("div");
|
---|
| 864 | left.setAttribute("style", "text-align: left");
|
---|
| 865 |
|
---|
| 866 | // global end of slide indicator
|
---|
| 867 | this.eos = this.create_element("span");
|
---|
| 868 | this.eos.innerHTML = "* ";
|
---|
| 869 | left.appendChild(this.eos);
|
---|
| 870 |
|
---|
| 871 | var help = this.create_element("a");
|
---|
| 872 | help.setAttribute("href", this.help_page);
|
---|
| 873 | help.setAttribute("title", this.localize(this.help_text));
|
---|
| 874 | help.innerHTML = this.localize("help?");
|
---|
| 875 | left.appendChild(help);
|
---|
| 876 | this.help_anchor = help; // save for focus hack
|
---|
| 877 |
|
---|
| 878 | var gap1 = document.createTextNode(" ");
|
---|
| 879 | left.appendChild(gap1);
|
---|
| 880 |
|
---|
| 881 | var contents = this.create_element("a");
|
---|
| 882 | contents.setAttribute("href", "javascript:w3c_slidy.toggle_table_of_contents()");
|
---|
| 883 | contents.setAttribute("title", this.localize("table of contents"));
|
---|
| 884 | contents.innerHTML = this.localize("contents?");
|
---|
| 885 | left.appendChild(contents);
|
---|
| 886 |
|
---|
| 887 | var gap2 = document.createTextNode(" ");
|
---|
| 888 | left.appendChild(gap2);
|
---|
| 889 |
|
---|
| 890 | var copyright = this.find_copyright();
|
---|
| 891 |
|
---|
| 892 | if (copyright)
|
---|
| 893 | {
|
---|
| 894 | var span = this.create_element("span");
|
---|
| 895 | span.className = "copyright";
|
---|
| 896 | span.innerHTML = copyright;
|
---|
| 897 | left.appendChild(span);
|
---|
| 898 | }
|
---|
| 899 |
|
---|
| 900 | this.toolbar.setAttribute("tabindex", "0");
|
---|
| 901 | this.toolbar.appendChild(left);
|
---|
| 902 | }
|
---|
| 903 | else // IE6 so need to work around its poor CSS support
|
---|
| 904 | {
|
---|
| 905 | this.toolbar.style.position = (this.ie7 ? "fixed" : "absolute");
|
---|
| 906 | this.toolbar.style.zIndex = "200";
|
---|
| 907 | this.toolbar.style.width = "99.9%";
|
---|
| 908 | this.toolbar.style.height = "1.2em";
|
---|
| 909 | this.toolbar.style.top = "auto";
|
---|
| 910 | this.toolbar.style.bottom = "0";
|
---|
| 911 | this.toolbar.style.left = "0";
|
---|
| 912 | this.toolbar.style.right = "0";
|
---|
| 913 | this.toolbar.style.textAlign = "left";
|
---|
| 914 | this.toolbar.style.fontSize = "60%";
|
---|
| 915 | this.toolbar.style.color = "red";
|
---|
| 916 | this.toolbar.borderWidth = 0;
|
---|
| 917 | this.toolbar.className = "toolbar";
|
---|
| 918 | this.toolbar.style.background = "rgb(240,240,240)";
|
---|
| 919 |
|
---|
| 920 | // would like to have help text left aligned
|
---|
| 921 | // and page counter right aligned, floating
|
---|
| 922 | // div's don't work, so instead use nested
|
---|
| 923 | // absolutely positioned div's.
|
---|
| 924 |
|
---|
| 925 | var sp = this.create_element("span");
|
---|
| 926 | sp.innerHTML = " * ";
|
---|
| 927 | this.toolbar.appendChild(sp);
|
---|
| 928 | this.eos = sp; // end of slide indicator
|
---|
| 929 |
|
---|
| 930 | var help = this.create_element("a");
|
---|
| 931 | help.setAttribute("href", this.help_page);
|
---|
| 932 | help.setAttribute("title", this.localize(this.help_text));
|
---|
| 933 | help.innerHTML = this.localize("help?");
|
---|
| 934 | this.toolbar.appendChild(help);
|
---|
| 935 | this.help_anchor = help; // save for focus hack
|
---|
| 936 |
|
---|
| 937 | var gap1 = document.createTextNode(" ");
|
---|
| 938 | this.toolbar.appendChild(gap1);
|
---|
| 939 |
|
---|
| 940 | var contents = this.create_element("a");
|
---|
| 941 | contents.setAttribute("href", "javascript:toggleTableOfContents()");
|
---|
| 942 | contents.setAttribute("title", this.localize("table of contents".localize));
|
---|
| 943 | contents.innerHTML = this.localize("contents?");
|
---|
| 944 | this.toolbar.appendChild(contents);
|
---|
| 945 |
|
---|
| 946 | var gap2 = document.createTextNode(" ");
|
---|
| 947 | this.toolbar.appendChild(gap2);
|
---|
| 948 |
|
---|
| 949 | var copyright = this.find_copyright();
|
---|
| 950 |
|
---|
| 951 | if (copyright)
|
---|
| 952 | {
|
---|
| 953 | var span = this.create_element("span");
|
---|
| 954 | span.innerHTML = copyright;
|
---|
| 955 | span.style.color = "black";
|
---|
| 956 | span.style.marginLeft = "0.5em";
|
---|
| 957 | this.toolbar.appendChild(span);
|
---|
| 958 | }
|
---|
| 959 |
|
---|
| 960 | counter = this.create_element("div")
|
---|
| 961 | counter.style.position = "absolute";
|
---|
| 962 | counter.style.width = "auto"; //"20%";
|
---|
| 963 | counter.style.height = "1.2em";
|
---|
| 964 | counter.style.top = "auto";
|
---|
| 965 | counter.style.bottom = 0;
|
---|
| 966 | counter.style.right = "0";
|
---|
| 967 | counter.style.textAlign = "right";
|
---|
| 968 | counter.style.color = "red";
|
---|
| 969 | counter.style.background = "rgb(240,240,240)";
|
---|
| 970 |
|
---|
| 971 | counter.innerHTML = this.localize("slide") + " n/m";
|
---|
| 972 | this.toolbar.appendChild(counter);
|
---|
| 973 | }
|
---|
| 974 |
|
---|
| 975 | // ensure that click isn't passed through to the page
|
---|
| 976 | this.toolbar.onclick =
|
---|
| 977 | function (e) {
|
---|
| 978 | if (!e)
|
---|
| 979 | e = window.event;
|
---|
| 980 |
|
---|
| 981 | var target = e.target;
|
---|
| 982 |
|
---|
| 983 | if (!target && e.srcElement)
|
---|
| 984 | target = e.srcElement;
|
---|
| 985 |
|
---|
| 986 | // work around Safari bug
|
---|
| 987 | if (target && target.nodeType == 3)
|
---|
| 988 | target = target.parentNode;
|
---|
| 989 |
|
---|
| 990 | w3c_slidy.stop_propagation(e);
|
---|
| 991 |
|
---|
| 992 | if (target && target.nodeName.toLowerCase() != "a")
|
---|
| 993 | w3c_slidy.mouse_button_click(e);
|
---|
| 994 | };
|
---|
| 995 |
|
---|
| 996 | this.slide_number_element = counter;
|
---|
| 997 | this.set_eos_status(false);
|
---|
| 998 | document.body.appendChild(this.toolbar);
|
---|
| 999 | },
|
---|
| 1000 |
|
---|
| 1001 | // wysiwyg editors make it hard to use div elements
|
---|
| 1002 | // e.g. amaya loses the div when you copy and paste
|
---|
| 1003 | // this function wraps div elements around implicit
|
---|
| 1004 | // slides which start with an h1 element and continue
|
---|
| 1005 | // up to the next heading or div element
|
---|
| 1006 | wrap_implicit_slides: function () {
|
---|
| 1007 | var i, heading, node, next, div;
|
---|
| 1008 | var headings = document.getElementsByTagName("h1");
|
---|
| 1009 |
|
---|
| 1010 | if (!headings)
|
---|
| 1011 | return;
|
---|
| 1012 |
|
---|
| 1013 | for (i = 0; i < headings.length; ++i)
|
---|
| 1014 | {
|
---|
| 1015 | heading = headings[i];
|
---|
| 1016 |
|
---|
| 1017 | if (heading.parentNode != document.body)
|
---|
| 1018 | continue;
|
---|
| 1019 |
|
---|
| 1020 | node = heading.nextSibling;
|
---|
| 1021 |
|
---|
| 1022 | div = document.createElement("div");
|
---|
| 1023 | this.add_class(div, "slide");
|
---|
| 1024 | document.body.replaceChild(div, heading);
|
---|
| 1025 | div.appendChild(heading);
|
---|
| 1026 |
|
---|
| 1027 | while (node)
|
---|
| 1028 | {
|
---|
| 1029 | if (node.nodeType == 1) // an element
|
---|
| 1030 | {
|
---|
| 1031 | if (node.nodeName == "H1" || node.nodeName == "h1")
|
---|
| 1032 | break;
|
---|
| 1033 |
|
---|
| 1034 | if (node.nodeName == "DIV" || node.nodeName == "div")
|
---|
| 1035 | {
|
---|
| 1036 | if (this.has_class(node, "slide"))
|
---|
| 1037 | break;
|
---|
| 1038 |
|
---|
| 1039 | if (this.has_class(node, "handout"))
|
---|
| 1040 | break;
|
---|
| 1041 | }
|
---|
| 1042 | }
|
---|
| 1043 |
|
---|
| 1044 | next = node.nextSibling;
|
---|
| 1045 | node = document.body.removeChild(node);
|
---|
| 1046 | div.appendChild(node);
|
---|
| 1047 | node = next;
|
---|
| 1048 | }
|
---|
| 1049 | }
|
---|
| 1050 | },
|
---|
| 1051 |
|
---|
| 1052 | // return new array of all slides
|
---|
| 1053 | collect_slides: function () {
|
---|
| 1054 | var slides = new Array();
|
---|
| 1055 | var divs = document.body.getElementsByTagName("div");
|
---|
| 1056 |
|
---|
| 1057 | for (var i = 0; i < divs.length; ++i)
|
---|
| 1058 | {
|
---|
| 1059 | div = divs.item(i);
|
---|
| 1060 |
|
---|
| 1061 | if (this.has_class(div, "slide"))
|
---|
| 1062 | {
|
---|
| 1063 | // add slide to collection
|
---|
| 1064 | slides[slides.length] = div;
|
---|
| 1065 |
|
---|
| 1066 | // hide each slide as it is found
|
---|
| 1067 | this.add_class(div, "hidden");
|
---|
| 1068 |
|
---|
| 1069 | // add dummy <br/> at end for scrolling hack
|
---|
| 1070 | var node1 = document.createElement("br");
|
---|
| 1071 | div.appendChild(node1);
|
---|
| 1072 | var node2 = document.createElement("br");
|
---|
| 1073 | div.appendChild(node2);
|
---|
| 1074 | }
|
---|
| 1075 | else if (this.has_class(div, "background"))
|
---|
| 1076 | { // work around for Firefox SVG reload bug
|
---|
| 1077 | // which otherwise replaces 1st SVG graphic with 2nd
|
---|
| 1078 | div.style.display = "block";
|
---|
| 1079 | }
|
---|
| 1080 | }
|
---|
| 1081 |
|
---|
| 1082 | this.slides = slides;
|
---|
| 1083 | },
|
---|
| 1084 |
|
---|
| 1085 | // return new array of all <div class="handout">
|
---|
| 1086 | collect_notes: function () {
|
---|
| 1087 | var notes = new Array();
|
---|
| 1088 | var divs = document.body.getElementsByTagName("div");
|
---|
| 1089 |
|
---|
| 1090 | for (var i = 0; i < divs.length; ++i)
|
---|
| 1091 | {
|
---|
| 1092 | div = divs.item(i);
|
---|
| 1093 |
|
---|
| 1094 | if (this.has_class(div, "handout"))
|
---|
| 1095 | {
|
---|
| 1096 | // add note to collection
|
---|
| 1097 | notes[notes.length] = div;
|
---|
| 1098 |
|
---|
| 1099 | // and hide it
|
---|
| 1100 | this.add_class(div, "hidden");
|
---|
| 1101 | }
|
---|
| 1102 | }
|
---|
| 1103 |
|
---|
| 1104 | this.notes = notes;
|
---|
| 1105 | },
|
---|
| 1106 |
|
---|
| 1107 | // return new array of all <div class="background">
|
---|
| 1108 | // including named backgrounds e.g. class="background titlepage"
|
---|
| 1109 | collect_backgrounds: function () {
|
---|
| 1110 | var backgrounds = new Array();
|
---|
| 1111 | var divs = document.body.getElementsByTagName("div");
|
---|
| 1112 |
|
---|
| 1113 | for (var i = 0; i < divs.length; ++i)
|
---|
| 1114 | {
|
---|
| 1115 | div = divs.item(i);
|
---|
| 1116 |
|
---|
| 1117 | if (this.has_class(div, "background"))
|
---|
| 1118 | {
|
---|
| 1119 | // add background to collection
|
---|
| 1120 | backgrounds[backgrounds.length] = div;
|
---|
| 1121 |
|
---|
| 1122 | // and hide it
|
---|
| 1123 | this.add_class(div, "hidden");
|
---|
| 1124 | }
|
---|
| 1125 | }
|
---|
| 1126 |
|
---|
| 1127 | this.backgrounds = backgrounds;
|
---|
| 1128 | },
|
---|
| 1129 |
|
---|
| 1130 | // set click handlers on all anchors
|
---|
| 1131 | patch_anchors: function () {
|
---|
| 1132 | var self = w3c_slidy;
|
---|
| 1133 | var handler = function (event) {
|
---|
| 1134 | // compare this.href with location.href
|
---|
| 1135 | // for link to another slide in this doc
|
---|
| 1136 |
|
---|
| 1137 | if (self.page_address(this.href) == self.page_address(location.href))
|
---|
| 1138 | {
|
---|
| 1139 | // yes, so find new slide number
|
---|
| 1140 | var newslidenum = self.find_slide_number(this.href);
|
---|
| 1141 |
|
---|
| 1142 | if (newslidenum != self.slide_number)
|
---|
| 1143 | {
|
---|
| 1144 | var slide = self.slides[self.slide_number];
|
---|
| 1145 | self.hide_slide(slide);
|
---|
| 1146 | self.slide_number = newslidenum;
|
---|
| 1147 | slide = self.slides[self.slide_number];
|
---|
| 1148 | self.show_slide(slide);
|
---|
| 1149 | self.set_location();
|
---|
| 1150 | }
|
---|
| 1151 | }
|
---|
| 1152 | else
|
---|
| 1153 | w3c_slidy.stop_propagation(event);
|
---|
| 1154 |
|
---|
| 1155 | // else if (this.target == null)
|
---|
| 1156 | // location.href = this.href;
|
---|
| 1157 |
|
---|
| 1158 | this.blur();
|
---|
| 1159 | self.disable_slide_click = true;
|
---|
| 1160 | };
|
---|
| 1161 |
|
---|
| 1162 | var anchors = document.body.getElementsByTagName("a");
|
---|
| 1163 |
|
---|
| 1164 | for (var i = 0; i < anchors.length; ++i)
|
---|
| 1165 | {
|
---|
| 1166 | if (window.addEventListener)
|
---|
| 1167 | anchors[i].addEventListener("click", handler, false);
|
---|
| 1168 | else
|
---|
| 1169 | anchors[i].attachEvent("onclick", handler);
|
---|
| 1170 | }
|
---|
| 1171 | },
|
---|
| 1172 |
|
---|
| 1173 | // ### CHECK ME ### see which functions are invoked via setTimeout
|
---|
| 1174 | // either directly or indirectly for use of w3c_slidy vs this
|
---|
| 1175 | show_slide_number: function () {
|
---|
| 1176 | var timer = w3c_slidy.get_timer();
|
---|
| 1177 | w3c_slidy.slide_number_element.innerHTML = timer + w3c_slidy.localize("slide") + " " +
|
---|
| 1178 | (w3c_slidy.slide_number + 1) + "/" + w3c_slidy.slides.length;
|
---|
| 1179 | },
|
---|
| 1180 |
|
---|
| 1181 | // every 200mS check if the location has been changed as a
|
---|
| 1182 | // result of the user activating the Back button/menu item
|
---|
| 1183 | // doesn't work for Opera < 9.5
|
---|
| 1184 | check_location: function () {
|
---|
| 1185 | var hash = location.hash;
|
---|
| 1186 |
|
---|
| 1187 | if (w3c_slidy.slide_number > 0 && (hash == "" || hash == "#"))
|
---|
| 1188 | w3c_slidy.goto_slide(0);
|
---|
| 1189 | else if (hash.length > 2 && hash != "#("+(w3c_slidy.slide_number+1)+")")
|
---|
| 1190 | {
|
---|
| 1191 | var num = parseInt(location.hash.substr(2));
|
---|
| 1192 |
|
---|
| 1193 | if (!isNaN(num))
|
---|
| 1194 | w3c_slidy.goto_slide(num-1);
|
---|
| 1195 | }
|
---|
| 1196 |
|
---|
| 1197 | if (w3c_slidy.time_left && w3c_slidy.slide_number > 0)
|
---|
| 1198 | {
|
---|
| 1199 | w3c_slidy.show_slide_number();
|
---|
| 1200 |
|
---|
| 1201 | if (w3c_slidy.time_left > 0)
|
---|
| 1202 | w3c_slidy.time_left -= 200;
|
---|
| 1203 | }
|
---|
| 1204 | },
|
---|
| 1205 |
|
---|
| 1206 | get_timer: function () {
|
---|
| 1207 | var timer = "";
|
---|
| 1208 | if (w3c_slidy.time_left)
|
---|
| 1209 | {
|
---|
| 1210 | var mins, secs;
|
---|
| 1211 | secs = Math.floor(w3c_slidy.time_left/1000);
|
---|
| 1212 | mins = Math.floor(secs / 60);
|
---|
| 1213 | secs = secs % 60;
|
---|
| 1214 | timer = (mins ? mins+"m" : "") + secs + "s ";
|
---|
| 1215 | }
|
---|
| 1216 |
|
---|
| 1217 | return timer;
|
---|
| 1218 | },
|
---|
| 1219 |
|
---|
| 1220 | // this doesn't push location onto history stack for IE
|
---|
| 1221 | // for which a hidden iframe hack is needed: load page into
|
---|
| 1222 | // the iframe with script that set's parent's location.hash
|
---|
| 1223 | // but that won't work for standalone use unless we can
|
---|
| 1224 | // create the page dynamically via a javascript: URL
|
---|
| 1225 | // ### use history.pushState if available
|
---|
| 1226 | set_location: function () {
|
---|
| 1227 | var uri = w3c_slidy.page_address(location.href);
|
---|
| 1228 | var hash = "#(" + (w3c_slidy.slide_number+1) + ")";
|
---|
| 1229 |
|
---|
| 1230 | if (w3c_slidy.slide_number >= 0)
|
---|
| 1231 | uri = uri + hash;
|
---|
| 1232 |
|
---|
| 1233 | if (typeof(history.pushState) != "undefined")
|
---|
| 1234 | {
|
---|
| 1235 | document.title = w3c_slidy.title + " (" + (w3c_slidy.slide_number+1) + ")";
|
---|
| 1236 | history.pushState(0, document.title, hash);
|
---|
| 1237 | w3c_slidy.show_slide_number();
|
---|
| 1238 | return;
|
---|
| 1239 | }
|
---|
| 1240 |
|
---|
| 1241 | if (w3c_slidy.ie && (w3c_slidy.ie6 || w3c_slidy.ie7))
|
---|
| 1242 | w3c_slidy.push_hash(hash);
|
---|
| 1243 |
|
---|
| 1244 | if (uri != location.href) // && !khtml
|
---|
| 1245 | location.href = uri;
|
---|
| 1246 |
|
---|
| 1247 | if (this.khtml)
|
---|
| 1248 | hash = "(" + (w3c_slidy.slide_number+1) + ")";
|
---|
| 1249 |
|
---|
| 1250 | if (!this.ie && location.hash != hash && location.hash != "")
|
---|
| 1251 | location.hash = hash;
|
---|
| 1252 |
|
---|
| 1253 | document.title = w3c_slidy.title + " (" + (w3c_slidy.slide_number+1) + ")";
|
---|
| 1254 | w3c_slidy.show_slide_number();
|
---|
| 1255 | },
|
---|
| 1256 |
|
---|
| 1257 | page_address: function (uri) {
|
---|
| 1258 | var i = uri.indexOf("#");
|
---|
| 1259 |
|
---|
| 1260 | if (i < 0)
|
---|
| 1261 | i = uri.indexOf("%23");
|
---|
| 1262 |
|
---|
| 1263 | // check if anchor is entire page
|
---|
| 1264 |
|
---|
| 1265 | if (i < 0)
|
---|
| 1266 | return uri; // yes
|
---|
| 1267 |
|
---|
| 1268 | return uri.substr(0, i);
|
---|
| 1269 | },
|
---|
| 1270 |
|
---|
| 1271 | // only used for IE6 and IE7
|
---|
| 1272 | on_frame_loaded: function (hash) {
|
---|
| 1273 | location.hash = hash;
|
---|
| 1274 | var uri = w3c_slidy.page_address(location.href);
|
---|
| 1275 | location.href = uri + hash;
|
---|
| 1276 | },
|
---|
| 1277 |
|
---|
| 1278 | // history hack with thanks to Bertrand Le Roy
|
---|
| 1279 | push_hash: function (hash) {
|
---|
| 1280 | if (hash == "") hash = "#(1)";
|
---|
| 1281 | window.location.hash = hash;
|
---|
| 1282 |
|
---|
| 1283 | var doc = document.getElementById("historyFrame").contentWindow.document;
|
---|
| 1284 | doc.open("javascript:'<html></html>'");
|
---|
| 1285 | doc.write("<html><head><script type=\"text/javascript\">window.parent.w3c_slidy.on_frame_loaded('"+
|
---|
| 1286 | (hash) + "');</script></head><body>hello mum</body></html>");
|
---|
| 1287 | doc.close();
|
---|
| 1288 | },
|
---|
| 1289 |
|
---|
| 1290 | // find current slide based upon location
|
---|
| 1291 | // first find target anchor and then look
|
---|
| 1292 | // for associated div element enclosing it
|
---|
| 1293 | // finally map that to slide number
|
---|
| 1294 | find_slide_number: function (uri) {
|
---|
| 1295 | // first get anchor from page location
|
---|
| 1296 |
|
---|
| 1297 | var i = uri.indexOf("#");
|
---|
| 1298 |
|
---|
| 1299 | // check if anchor is entire page
|
---|
| 1300 | if (i < 0)
|
---|
| 1301 | return 0; // yes
|
---|
| 1302 |
|
---|
| 1303 | var anchor = unescape(uri.substr(i+1));
|
---|
| 1304 |
|
---|
| 1305 | // now use anchor as XML ID to find target
|
---|
| 1306 | var target = document.getElementById(anchor);
|
---|
| 1307 |
|
---|
| 1308 | if (!target)
|
---|
| 1309 | {
|
---|
| 1310 | // does anchor look like "(2)" for slide 2 ??
|
---|
| 1311 | // where first slide is (1)
|
---|
| 1312 | var re = /\((\d)+\)/;
|
---|
| 1313 |
|
---|
| 1314 | if (anchor.match(re))
|
---|
| 1315 | {
|
---|
| 1316 | var num = parseInt(anchor.substring(1, anchor.length-1));
|
---|
| 1317 |
|
---|
| 1318 | if (num > this.slides.length)
|
---|
| 1319 | num = 1;
|
---|
| 1320 |
|
---|
| 1321 | if (--num < 0)
|
---|
| 1322 | num = 0;
|
---|
| 1323 |
|
---|
| 1324 | return num;
|
---|
| 1325 | }
|
---|
| 1326 |
|
---|
| 1327 | // accept [2] for backwards compatibility
|
---|
| 1328 | re = /\[(\d)+\]/;
|
---|
| 1329 |
|
---|
| 1330 | if (anchor.match(re))
|
---|
| 1331 | {
|
---|
| 1332 | var num = parseInt(anchor.substring(1, anchor.length-1));
|
---|
| 1333 |
|
---|
| 1334 | if (num > this.slides.length)
|
---|
| 1335 | num = 1;
|
---|
| 1336 |
|
---|
| 1337 | if (--num < 0)
|
---|
| 1338 | num = 0;
|
---|
| 1339 |
|
---|
| 1340 | return num;
|
---|
| 1341 | }
|
---|
| 1342 |
|
---|
| 1343 | // oh dear unknown anchor
|
---|
| 1344 | return 0;
|
---|
| 1345 | }
|
---|
| 1346 |
|
---|
| 1347 | // search for enclosing slide
|
---|
| 1348 |
|
---|
| 1349 | while (true)
|
---|
| 1350 | {
|
---|
| 1351 | // browser coerces html elements to uppercase!
|
---|
| 1352 | if (target.nodeName.toLowerCase() == "div" &&
|
---|
| 1353 | this.has_class(target, "slide"))
|
---|
| 1354 | {
|
---|
| 1355 | // found the slide element
|
---|
| 1356 | break;
|
---|
| 1357 | }
|
---|
| 1358 |
|
---|
| 1359 | // otherwise try parent element if any
|
---|
| 1360 |
|
---|
| 1361 | target = target.parentNode;
|
---|
| 1362 |
|
---|
| 1363 | if (!target)
|
---|
| 1364 | {
|
---|
| 1365 | return 0; // no luck!
|
---|
| 1366 | }
|
---|
| 1367 | };
|
---|
| 1368 |
|
---|
| 1369 | for (i = 0; i < slides.length; ++i)
|
---|
| 1370 | {
|
---|
| 1371 | if (slides[i] == target)
|
---|
| 1372 | return i; // success
|
---|
| 1373 | }
|
---|
| 1374 |
|
---|
| 1375 | // oh dear still no luck
|
---|
| 1376 | return 0;
|
---|
| 1377 | },
|
---|
| 1378 |
|
---|
| 1379 | previous_slide: function (incremental) {
|
---|
| 1380 | if (!w3c_slidy.view_all)
|
---|
| 1381 | {
|
---|
| 1382 | var slide;
|
---|
| 1383 |
|
---|
| 1384 | if ((incremental || w3c_slidy.slide_number == 0) && w3c_slidy.last_shown != null)
|
---|
| 1385 | {
|
---|
| 1386 | w3c_slidy.last_shown = w3c_slidy.hide_previous_item(w3c_slidy.last_shown);
|
---|
| 1387 | w3c_slidy.set_eos_status(false);
|
---|
| 1388 | }
|
---|
| 1389 | else if (w3c_slidy.slide_number > 0)
|
---|
| 1390 | {
|
---|
| 1391 | slide = w3c_slidy.slides[w3c_slidy.slide_number];
|
---|
| 1392 | w3c_slidy.hide_slide(slide);
|
---|
| 1393 |
|
---|
| 1394 | w3c_slidy.slide_number = w3c_slidy.slide_number - 1;
|
---|
| 1395 | slide = w3c_slidy.slides[w3c_slidy.slide_number];
|
---|
| 1396 | w3c_slidy.set_visibility_all_incremental("visible");
|
---|
| 1397 | w3c_slidy.last_shown = w3c_slidy.previous_incremental_item(null);
|
---|
| 1398 | w3c_slidy.set_eos_status(true);
|
---|
| 1399 | w3c_slidy.show_slide(slide);
|
---|
| 1400 | }
|
---|
| 1401 |
|
---|
| 1402 | w3c_slidy.set_location();
|
---|
| 1403 |
|
---|
| 1404 | if (!w3c_slidy.ns_pos)
|
---|
| 1405 | w3c_slidy.refresh_toolbar(200);
|
---|
| 1406 | }
|
---|
| 1407 | },
|
---|
| 1408 |
|
---|
| 1409 | next_slide: function (incremental) {
|
---|
| 1410 | if (!w3c_slidy.view_all)
|
---|
| 1411 | {
|
---|
| 1412 | var slide, last = w3c_slidy.last_shown;
|
---|
| 1413 |
|
---|
| 1414 | if (incremental || w3c_slidy.slide_number == w3c_slidy.slides.length - 1)
|
---|
| 1415 | w3c_slidy.last_shown = w3c_slidy.reveal_next_item(w3c_slidy.last_shown);
|
---|
| 1416 |
|
---|
| 1417 | if ((!incremental || w3c_slidy.last_shown == null) &&
|
---|
| 1418 | w3c_slidy.slide_number < w3c_slidy.slides.length - 1)
|
---|
| 1419 | {
|
---|
| 1420 | slide = w3c_slidy.slides[w3c_slidy.slide_number];
|
---|
| 1421 | w3c_slidy.hide_slide(slide);
|
---|
| 1422 |
|
---|
| 1423 | w3c_slidy.slide_number = w3c_slidy.slide_number + 1;
|
---|
| 1424 | slide = w3c_slidy.slides[w3c_slidy.slide_number];
|
---|
| 1425 | w3c_slidy.last_shown = null;
|
---|
| 1426 | w3c_slidy.set_visibility_all_incremental("hidden");
|
---|
| 1427 | w3c_slidy.show_slide(slide);
|
---|
| 1428 | }
|
---|
| 1429 | else if (!w3c_slidy.last_shown)
|
---|
| 1430 | {
|
---|
| 1431 | if (last && incremental)
|
---|
| 1432 | w3c_slidy.last_shown = last;
|
---|
| 1433 | }
|
---|
| 1434 |
|
---|
| 1435 | w3c_slidy.set_location();
|
---|
| 1436 |
|
---|
| 1437 | w3c_slidy.set_eos_status(!w3c_slidy.next_incremental_item(w3c_slidy.last_shown));
|
---|
| 1438 |
|
---|
| 1439 | if (!w3c_slidy.ns_pos)
|
---|
| 1440 | w3c_slidy.refresh_toolbar(200);
|
---|
| 1441 | }
|
---|
| 1442 | },
|
---|
| 1443 |
|
---|
| 1444 | // to first slide with nothing revealed
|
---|
| 1445 | // i.e. state at start of presentation
|
---|
| 1446 | first_slide: function () {
|
---|
| 1447 | if (!w3c_slidy.view_all)
|
---|
| 1448 | {
|
---|
| 1449 | var slide;
|
---|
| 1450 |
|
---|
| 1451 | if (w3c_slidy.slide_number != 0)
|
---|
| 1452 | {
|
---|
| 1453 | slide = w3c_slidy.slides[w3c_slidy.slide_number];
|
---|
| 1454 | w3c_slidy.hide_slide(slide);
|
---|
| 1455 |
|
---|
| 1456 | w3c_slidy.slide_number = 0;
|
---|
| 1457 | slide = w3c_slidy.slides[w3c_slidy.slide_number];
|
---|
| 1458 | w3c_slidy.last_shown = null;
|
---|
| 1459 | w3c_slidy.set_visibility_all_incremental("hidden");
|
---|
| 1460 | w3c_slidy.show_slide(slide);
|
---|
| 1461 | }
|
---|
| 1462 |
|
---|
| 1463 | w3c_slidy.set_eos_status(
|
---|
| 1464 | !w3c_slidy.next_incremental_item(w3c_slidy.last_shown));
|
---|
| 1465 | w3c_slidy.set_location();
|
---|
| 1466 | }
|
---|
| 1467 | },
|
---|
| 1468 |
|
---|
| 1469 | // goto last slide with everything revealed
|
---|
| 1470 | // i.e. state at end of presentation
|
---|
| 1471 | last_slide: function () {
|
---|
| 1472 | if (!w3c_slidy.view_all)
|
---|
| 1473 | {
|
---|
| 1474 | var slide;
|
---|
| 1475 |
|
---|
| 1476 | w3c_slidy.last_shown = null; //revealNextItem(lastShown);
|
---|
| 1477 |
|
---|
| 1478 | if (w3c_slidy.last_shown == null &&
|
---|
| 1479 | w3c_slidy.slide_number < w3c_slidy.slides.length - 1)
|
---|
| 1480 | {
|
---|
| 1481 | slide = w3c_slidy.slides[w3c_slidy.slide_number];
|
---|
| 1482 | w3c_slidy.hide_slide(slide);
|
---|
| 1483 | w3c_slidy.slide_number = w3c_slidy.slides.length - 1;
|
---|
| 1484 | slide = w3c_slidy.slides[w3c_slidy.slide_number];
|
---|
| 1485 | w3c_slidy.set_visibility_all_incremental("visible");
|
---|
| 1486 | w3c_slidy.last_shown = w3c_slidy.previous_incremental_item(null);
|
---|
| 1487 |
|
---|
| 1488 | w3c_slidy.show_slide(slide);
|
---|
| 1489 | }
|
---|
| 1490 | else
|
---|
| 1491 | {
|
---|
| 1492 | w3c_slidy.set_visibility_all_incremental("visible");
|
---|
| 1493 | w3c_slidy.last_shown = w3c_slidy.previous_incremental_item(null);
|
---|
| 1494 | }
|
---|
| 1495 |
|
---|
| 1496 | w3c_slidy.set_eos_status(true);
|
---|
| 1497 | w3c_slidy.set_location();
|
---|
| 1498 | }
|
---|
| 1499 | },
|
---|
| 1500 |
|
---|
| 1501 |
|
---|
| 1502 | // ### check this and consider add/remove class
|
---|
| 1503 | set_eos_status: function (state) {
|
---|
| 1504 | if (this.eos)
|
---|
| 1505 | this.eos.style.color = (state ? "rgb(240,240,240)" : "red");
|
---|
| 1506 | },
|
---|
| 1507 |
|
---|
| 1508 | // first slide is 0
|
---|
| 1509 | goto_slide: function (num) {
|
---|
| 1510 | //alert("going to slide " + (num+1));
|
---|
| 1511 | var slide = w3c_slidy.slides[w3c_slidy.slide_number];
|
---|
| 1512 | w3c_slidy.hide_slide(slide);
|
---|
| 1513 | w3c_slidy.slide_number = num;
|
---|
| 1514 | slide = w3c_slidy.slides[w3c_slidy.slide_number];
|
---|
| 1515 | w3c_slidy.last_shown = null;
|
---|
| 1516 | w3c_slidy.set_visibility_all_incremental("hidden");
|
---|
| 1517 | w3c_slidy.set_eos_status(!w3c_slidy.next_incremental_item(w3c_slidy.last_shown));
|
---|
| 1518 | document.title = w3c_slidy.title + " (" + (w3c_slidy.slide_number+1) + ")";
|
---|
| 1519 | w3c_slidy.show_slide(slide);
|
---|
| 1520 | w3c_slidy.show_slide_number();
|
---|
| 1521 | },
|
---|
| 1522 |
|
---|
| 1523 |
|
---|
| 1524 | show_slide: function (slide) {
|
---|
| 1525 | this.sync_background(slide);
|
---|
| 1526 | window.scrollTo(0,0);
|
---|
| 1527 | this.remove_class(slide, "hidden");
|
---|
| 1528 | },
|
---|
| 1529 |
|
---|
| 1530 | hide_slide: function (slide) {
|
---|
| 1531 | this.add_class(slide, "hidden");
|
---|
| 1532 | },
|
---|
| 1533 |
|
---|
| 1534 | // show just the backgrounds pertinent to this slide
|
---|
| 1535 | // when slide background-color is transparent
|
---|
| 1536 | // this should now work with rgba color values
|
---|
| 1537 | sync_background: function (slide) {
|
---|
| 1538 | var background;
|
---|
| 1539 | var bgColor;
|
---|
| 1540 |
|
---|
| 1541 | if (slide.currentStyle)
|
---|
| 1542 | bgColor = slide.currentStyle["backgroundColor"];
|
---|
| 1543 | else if (document.defaultView)
|
---|
| 1544 | {
|
---|
| 1545 | var styles = document.defaultView.getComputedStyle(slide,null);
|
---|
| 1546 |
|
---|
| 1547 | if (styles)
|
---|
| 1548 | bgColor = styles.getPropertyValue("background-color");
|
---|
| 1549 | else // broken implementation probably due Safari or Konqueror
|
---|
| 1550 | {
|
---|
| 1551 | //alert("defective implementation of getComputedStyle()");
|
---|
| 1552 | bgColor = "transparent";
|
---|
| 1553 | }
|
---|
| 1554 | }
|
---|
| 1555 | else
|
---|
| 1556 | bgColor == "transparent";
|
---|
| 1557 |
|
---|
| 1558 | if (bgColor == "transparent" ||
|
---|
| 1559 | bgColor.indexOf("rgba") >= 0 ||
|
---|
| 1560 | bgColor.indexOf("opacity") >= 0)
|
---|
| 1561 | {
|
---|
| 1562 | var slideClass = this.get_class_list(slide);
|
---|
| 1563 |
|
---|
| 1564 | for (var i = 0; i < this.backgrounds.length; i++)
|
---|
| 1565 | {
|
---|
| 1566 | background = this.backgrounds[i];
|
---|
| 1567 |
|
---|
| 1568 | var bgClass = this.get_class_list(background);
|
---|
| 1569 |
|
---|
| 1570 | if (this.matching_background(slideClass, bgClass))
|
---|
| 1571 | this.remove_class(background, "hidden");
|
---|
| 1572 | else
|
---|
| 1573 | this.add_class(background, "hidden");
|
---|
| 1574 | }
|
---|
| 1575 | }
|
---|
| 1576 | else // forcibly hide all backgrounds
|
---|
| 1577 | this.hide_backgrounds();
|
---|
| 1578 | },
|
---|
| 1579 |
|
---|
| 1580 | hide_backgrounds: function () {
|
---|
| 1581 | for (var i = 0; i < this.backgrounds.length; i++)
|
---|
| 1582 | {
|
---|
| 1583 | background = this.backgrounds[i];
|
---|
| 1584 | this.add_class(background, "hidden");
|
---|
| 1585 | }
|
---|
| 1586 | },
|
---|
| 1587 |
|
---|
| 1588 | // compare classes for slide and background
|
---|
| 1589 | matching_background: function (slideClass, bgClass) {
|
---|
| 1590 | var i, count, pattern, result;
|
---|
| 1591 |
|
---|
| 1592 | // define pattern as regular expression
|
---|
| 1593 | pattern = /\w+/g;
|
---|
| 1594 |
|
---|
| 1595 | // check background class names
|
---|
| 1596 | result = bgClass.match(pattern);
|
---|
| 1597 |
|
---|
| 1598 | for (i = count = 0; i < result.length; i++)
|
---|
| 1599 | {
|
---|
| 1600 | if (result[i] == "hidden")
|
---|
| 1601 | continue;
|
---|
| 1602 |
|
---|
| 1603 | if (result[i] == "background")
|
---|
| 1604 | continue;
|
---|
| 1605 |
|
---|
| 1606 | ++count;
|
---|
| 1607 | }
|
---|
| 1608 |
|
---|
| 1609 | if (count == 0) // default match
|
---|
| 1610 | return true;
|
---|
| 1611 |
|
---|
| 1612 | // check for matches and place result in array
|
---|
| 1613 | result = slideClass.match(pattern);
|
---|
| 1614 |
|
---|
| 1615 | // now check if desired name is present for background
|
---|
| 1616 | for (i = count = 0; i < result.length; i++)
|
---|
| 1617 | {
|
---|
| 1618 | if (result[i] == "hidden")
|
---|
| 1619 | continue;
|
---|
| 1620 |
|
---|
| 1621 | if (this.has_token(bgClass, result[i]))
|
---|
| 1622 | return true;
|
---|
| 1623 | }
|
---|
| 1624 |
|
---|
| 1625 | return false;
|
---|
| 1626 | },
|
---|
| 1627 |
|
---|
| 1628 | resized: function () {
|
---|
| 1629 | var width = 0;
|
---|
| 1630 |
|
---|
| 1631 | if ( typeof( window.innerWidth ) == 'number' )
|
---|
| 1632 | width = window.innerWidth; // Non IE browser
|
---|
| 1633 | else if (document.documentElement && document.documentElement.clientWidth)
|
---|
| 1634 | width = document.documentElement.clientWidth; // IE6
|
---|
| 1635 | else if (document.body && document.body.clientWidth)
|
---|
| 1636 | width = document.body.clientWidth; // IE4
|
---|
| 1637 |
|
---|
| 1638 | var height = 0;
|
---|
| 1639 |
|
---|
| 1640 | if ( typeof( window.innerHeight ) == 'number' )
|
---|
| 1641 | height = window.innerHeight; // Non IE browser
|
---|
| 1642 | else if (document.documentElement && document.documentElement.clientHeight)
|
---|
| 1643 | height = document.documentElement.clientHeight; // IE6
|
---|
| 1644 | else if (document.body && document.body.clientHeight)
|
---|
| 1645 | height = document.body.clientHeight; // IE4
|
---|
| 1646 |
|
---|
| 1647 | if (height && (width/height > 1.05*1024/768))
|
---|
| 1648 | {
|
---|
| 1649 | width = height * 1024.0/768;
|
---|
| 1650 | }
|
---|
| 1651 |
|
---|
| 1652 | // IE fires onresize even when only font size is changed!
|
---|
| 1653 | // so we do a check to avoid blocking < and > actions
|
---|
| 1654 | if (width != w3c_slidy.last_width || height != w3c_slidy.last_height)
|
---|
| 1655 | {
|
---|
| 1656 | if (width >= 1100)
|
---|
| 1657 | w3c_slidy.size_index = 5; // 4
|
---|
| 1658 | else if (width >= 1000)
|
---|
| 1659 | w3c_slidy.size_index = 4; // 3
|
---|
| 1660 | else if (width >= 800)
|
---|
| 1661 | w3c_slidy.size_index = 3; // 2
|
---|
| 1662 | else if (width >= 600)
|
---|
| 1663 | w3c_slidy.size_index = 2; // 1
|
---|
| 1664 | else if (width)
|
---|
| 1665 | w3c_slidy.size_index = 0;
|
---|
| 1666 |
|
---|
| 1667 | // add in font size adjustment from meta element e.g.
|
---|
| 1668 | // <meta name="font-size-adjustment" content="-2" />
|
---|
| 1669 | // useful when slides have too much content ;-)
|
---|
| 1670 |
|
---|
| 1671 | if (0 <= w3c_slidy.size_index + w3c_slidy.size_adjustment &&
|
---|
| 1672 | w3c_slidy.size_index + w3c_slidy.size_adjustment < w3c_slidy.sizes.length)
|
---|
| 1673 | w3c_slidy.size_index = w3c_slidy.size_index + w3c_slidy.size_adjustment;
|
---|
| 1674 |
|
---|
| 1675 | // enables cross browser use of relative width/height
|
---|
| 1676 | // on object elements for use with SVG and Flash media
|
---|
| 1677 | w3c_slidy.adjust_object_dimensions(width, height);
|
---|
| 1678 |
|
---|
| 1679 | if (document.body.style.fontSize != w3c_slidy.sizes[w3c_slidy.size_index])
|
---|
| 1680 | {
|
---|
| 1681 | document.body.style.fontSize = w3c_slidy.sizes[w3c_slidy.size_index];
|
---|
| 1682 | }
|
---|
| 1683 |
|
---|
| 1684 | w3c_slidy.last_width = width;
|
---|
| 1685 | w3c_slidy.last_height = height;
|
---|
| 1686 |
|
---|
| 1687 | // force reflow to work around Mozilla bug
|
---|
| 1688 | if (w3c_slidy.ns_pos)
|
---|
| 1689 | {
|
---|
| 1690 | var slide = w3c_slidy.slides[w3c_slidy.slide_number];
|
---|
| 1691 | w3c_slidy.hide_slide(slide);
|
---|
| 1692 | w3c_slidy.show_slide(slide);
|
---|
| 1693 | }
|
---|
| 1694 |
|
---|
| 1695 | // force correct positioning of toolbar
|
---|
| 1696 | w3c_slidy.refresh_toolbar(200);
|
---|
| 1697 | }
|
---|
| 1698 | },
|
---|
| 1699 |
|
---|
| 1700 | scrolled: function () {
|
---|
| 1701 | if (w3c_slidy.toolbar && !w3c_slidy.ns_pos && !w3c_slidy.ie7)
|
---|
| 1702 | {
|
---|
| 1703 | w3c_slidy.hack_offset = w3c_slidy.scroll_x_offset();
|
---|
| 1704 | // hide toolbar
|
---|
| 1705 | w3c_slidy.toolbar.style.display = "none";
|
---|
| 1706 |
|
---|
| 1707 | // make it reappear later
|
---|
| 1708 | if (w3c_slidy.scrollhack == 0 && !w3c_slidy.view_all)
|
---|
| 1709 | {
|
---|
| 1710 | setTimeout(function () {w3c_slidy.show_toolbar(); }, 1000);
|
---|
| 1711 | w3c_slidy.scrollhack = 1;
|
---|
| 1712 | }
|
---|
| 1713 | }
|
---|
| 1714 | },
|
---|
| 1715 |
|
---|
| 1716 | hide_toolbar: function () {
|
---|
| 1717 | w3c_slidy.add_class(w3c_slidy.toolbar, "hidden");
|
---|
| 1718 | window.focus();
|
---|
| 1719 | },
|
---|
| 1720 |
|
---|
| 1721 | // used to ensure IE refreshes toolbar in correct position
|
---|
| 1722 | refresh_toolbar: function (interval) {
|
---|
| 1723 | if (!w3c_slidy.ns_pos && !w3c_slidy.ie7)
|
---|
| 1724 | {
|
---|
| 1725 | w3c_slidy.hide_toolbar();
|
---|
| 1726 | setTimeout(function () {w3c_slidy.show_toolbar(); }, interval);
|
---|
| 1727 | }
|
---|
| 1728 | },
|
---|
| 1729 |
|
---|
| 1730 | // restores toolbar after short delay
|
---|
| 1731 | show_toolbar: function () {
|
---|
| 1732 | if (w3c_slidy.want_toolbar)
|
---|
| 1733 | {
|
---|
| 1734 | w3c_slidy.toolbar.style.display = "block";
|
---|
| 1735 |
|
---|
| 1736 | if (!w3c_slidy.ns_pos)
|
---|
| 1737 | {
|
---|
| 1738 | // adjust position to allow for scrolling
|
---|
| 1739 | var xoffset = w3c_slidy.scroll_x_offset();
|
---|
| 1740 | w3c_slidy.toolbar.style.left = xoffset;
|
---|
| 1741 | w3c_slidy.toolbar.style.right = xoffset;
|
---|
| 1742 |
|
---|
| 1743 | // determine vertical scroll offset
|
---|
| 1744 | //var yoffset = scrollYOffset();
|
---|
| 1745 |
|
---|
| 1746 | // bottom is doc height - window height - scroll offset
|
---|
| 1747 | //var bottom = documentHeight() - lastHeight - yoffset
|
---|
| 1748 |
|
---|
| 1749 | //if (yoffset > 0 || documentHeight() > lastHeight)
|
---|
| 1750 | // bottom += 16; // allow for height of scrollbar
|
---|
| 1751 |
|
---|
| 1752 | w3c_slidy.toolbar.style.bottom = 0; //bottom;
|
---|
| 1753 | }
|
---|
| 1754 |
|
---|
| 1755 | w3c_slidy.remove_class(w3c_slidy.toolbar, "hidden");
|
---|
| 1756 | }
|
---|
| 1757 |
|
---|
| 1758 | w3c_slidy.scrollhack = 0;
|
---|
| 1759 |
|
---|
| 1760 |
|
---|
| 1761 | // set the keyboard focus to the help link on the
|
---|
| 1762 | // toolbar to ensure that document has the focus
|
---|
| 1763 | // IE doesn't always work with window.focus()
|
---|
| 1764 | // and this hack has benefit of Enter for help
|
---|
| 1765 |
|
---|
| 1766 | try
|
---|
| 1767 | {
|
---|
| 1768 | if (!w3c_slidy.opera)
|
---|
| 1769 | w3c_slidy.help_anchor.focus();
|
---|
| 1770 | }
|
---|
| 1771 | catch (e)
|
---|
| 1772 | {
|
---|
| 1773 | }
|
---|
| 1774 | },
|
---|
| 1775 |
|
---|
| 1776 | // invoked via F key
|
---|
| 1777 | toggle_toolbar: function () {
|
---|
| 1778 | if (!w3c_slidy.view_all)
|
---|
| 1779 | {
|
---|
| 1780 | if (w3c_slidy.has_class(w3c_slidy.toolbar, "hidden"))
|
---|
| 1781 | {
|
---|
| 1782 | w3c_slidy.remove_class(w3c_slidy.toolbar, "hidden")
|
---|
| 1783 | w3c_slidy.want_toolbar = 1;
|
---|
| 1784 | }
|
---|
| 1785 | else
|
---|
| 1786 | {
|
---|
| 1787 | w3c_slidy.add_class(w3c_slidy.toolbar, "hidden")
|
---|
| 1788 | w3c_slidy.want_toolbar = 0;
|
---|
| 1789 | }
|
---|
| 1790 | }
|
---|
| 1791 | },
|
---|
| 1792 |
|
---|
| 1793 | scroll_x_offset: function () {
|
---|
| 1794 | if (window.pageXOffset)
|
---|
| 1795 | return self.pageXOffset;
|
---|
| 1796 |
|
---|
| 1797 | if (document.documentElement &&
|
---|
| 1798 | document.documentElement.scrollLeft)
|
---|
| 1799 | return document.documentElement.scrollLeft;
|
---|
| 1800 |
|
---|
| 1801 | if (document.body)
|
---|
| 1802 | return document.body.scrollLeft;
|
---|
| 1803 |
|
---|
| 1804 | return 0;
|
---|
| 1805 | },
|
---|
| 1806 |
|
---|
| 1807 | scroll_y_offset: function () {
|
---|
| 1808 | if (window.pageYOffset)
|
---|
| 1809 | return self.pageYOffset;
|
---|
| 1810 |
|
---|
| 1811 | if (document.documentElement &&
|
---|
| 1812 | document.documentElement.scrollTop)
|
---|
| 1813 | return document.documentElement.scrollTop;
|
---|
| 1814 |
|
---|
| 1815 | if (document.body)
|
---|
| 1816 | return document.body.scrollTop;
|
---|
| 1817 |
|
---|
| 1818 | return 0;
|
---|
| 1819 | },
|
---|
| 1820 |
|
---|
| 1821 | // looking for a way to determine height of slide content
|
---|
| 1822 | // the slide itself is set to the height of the window
|
---|
| 1823 | optimize_font_size: function () {
|
---|
| 1824 | var slide = w3c_slidy.slides[w3c_slidy.slide_number];
|
---|
| 1825 |
|
---|
| 1826 | //var dh = documentHeight(); //getDocHeight(document);
|
---|
| 1827 | var dh = slide.scrollHeight;
|
---|
| 1828 | var wh = getWindowHeight();
|
---|
| 1829 | var u = 100 * dh / wh;
|
---|
| 1830 |
|
---|
| 1831 | alert("window utilization = " + u + "% (doc "
|
---|
| 1832 | + dh + " win " + wh + ")");
|
---|
| 1833 | },
|
---|
| 1834 |
|
---|
| 1835 | // from document object
|
---|
| 1836 | get_doc_height: function (doc) {
|
---|
| 1837 | if (!doc)
|
---|
| 1838 | doc = document;
|
---|
| 1839 |
|
---|
| 1840 | if (doc && doc.body && doc.body.offsetHeight)
|
---|
| 1841 | return doc.body.offsetHeight; // ns/gecko syntax
|
---|
| 1842 |
|
---|
| 1843 | if (doc && doc.body && doc.body.scrollHeight)
|
---|
| 1844 | return doc.body.scrollHeight;
|
---|
| 1845 |
|
---|
| 1846 | alert("couldn't determine document height");
|
---|
| 1847 | },
|
---|
| 1848 |
|
---|
| 1849 | get_window_height: function () {
|
---|
| 1850 | if ( typeof( window.innerHeight ) == 'number' )
|
---|
| 1851 | return window.innerHeight; // Non IE browser
|
---|
| 1852 |
|
---|
| 1853 | if (document.documentElement && document.documentElement.clientHeight)
|
---|
| 1854 | return document.documentElement.clientHeight; // IE6
|
---|
| 1855 |
|
---|
| 1856 | if (document.body && document.body.clientHeight)
|
---|
| 1857 | return document.body.clientHeight; // IE4
|
---|
| 1858 | },
|
---|
| 1859 |
|
---|
| 1860 | document_height: function () {
|
---|
| 1861 | var sh, oh;
|
---|
| 1862 |
|
---|
| 1863 | sh = document.body.scrollHeight;
|
---|
| 1864 | oh = document.body.offsetHeight;
|
---|
| 1865 |
|
---|
| 1866 | if (sh && oh)
|
---|
| 1867 | {
|
---|
| 1868 | return (sh > oh ? sh : oh);
|
---|
| 1869 | }
|
---|
| 1870 |
|
---|
| 1871 | // no idea!
|
---|
| 1872 | return 0;
|
---|
| 1873 | },
|
---|
| 1874 |
|
---|
| 1875 | smaller: function () {
|
---|
| 1876 | if (w3c_slidy.size_index > 0)
|
---|
| 1877 | {
|
---|
| 1878 | --w3c_slidy.size_index;
|
---|
| 1879 | }
|
---|
| 1880 |
|
---|
| 1881 | w3c_slidy.toolbar.style.display = "none";
|
---|
| 1882 | document.body.style.fontSize = w3c_slidy.sizes[w3c_slidy.size_index];
|
---|
| 1883 | var slide = w3c_slidy.slides[w3c_slidy.slide_number];
|
---|
| 1884 | w3c_slidy.hide_slide(slide);
|
---|
| 1885 | w3c_slidy.show_slide(slide);
|
---|
| 1886 | setTimeout(function () {w3c_slidy.show_toolbar(); }, 50);
|
---|
| 1887 | },
|
---|
| 1888 |
|
---|
| 1889 | bigger: function () {
|
---|
| 1890 | if (w3c_slidy.size_index < w3c_slidy.sizes.length - 1)
|
---|
| 1891 | {
|
---|
| 1892 | ++w3c_slidy.size_index;
|
---|
| 1893 | }
|
---|
| 1894 |
|
---|
| 1895 | w3c_slidy.toolbar.style.display = "none";
|
---|
| 1896 | document.body.style.fontSize = w3c_slidy.sizes[w3c_slidy.size_index];
|
---|
| 1897 | var slide = w3c_slidy.slides[w3c_slidy.slide_number];
|
---|
| 1898 | w3c_slidy.hide_slide(slide);
|
---|
| 1899 | w3c_slidy.show_slide(slide);
|
---|
| 1900 | setTimeout(function () {w3c_slidy.show_toolbar(); }, 50);
|
---|
| 1901 | },
|
---|
| 1902 |
|
---|
| 1903 | // enables cross browser use of relative width/height
|
---|
| 1904 | // on object elements for use with SVG and Flash media
|
---|
| 1905 | // with thanks to Ivan Herman for the suggestion
|
---|
| 1906 | adjust_object_dimensions: function (width, height) {
|
---|
| 1907 | for( var i = 0; i < w3c_slidy.objects.length; i++ )
|
---|
| 1908 | {
|
---|
| 1909 | var obj = this.objects[i];
|
---|
| 1910 | var mimeType = obj.getAttribute("type");
|
---|
| 1911 |
|
---|
| 1912 | if (mimeType == "image/svg+xml" || mimeType == "application/x-shockwave-flash")
|
---|
| 1913 | {
|
---|
| 1914 | if ( !obj.initialWidth )
|
---|
| 1915 | obj.initialWidth = obj.getAttribute("width");
|
---|
| 1916 |
|
---|
| 1917 | if ( !obj.initialHeight )
|
---|
| 1918 | obj.initialHeight = obj.getAttribute("height");
|
---|
| 1919 |
|
---|
| 1920 | if ( obj.initialWidth && obj.initialWidth.charAt(obj.initialWidth.length-1) == "%" )
|
---|
| 1921 | {
|
---|
| 1922 | var w = parseInt(obj.initialWidth.slice(0, obj.initialWidth.length-1));
|
---|
| 1923 | var newW = width * (w/100.0);
|
---|
| 1924 | obj.setAttribute("width",newW);
|
---|
| 1925 | }
|
---|
| 1926 |
|
---|
| 1927 | if ( obj.initialHeight &&
|
---|
| 1928 | obj.initialHeight.charAt(obj.initialHeight.length-1) == "%" )
|
---|
| 1929 | {
|
---|
| 1930 | var h = parseInt(obj.initialHeight.slice(0, obj.initialHeight.length-1));
|
---|
| 1931 | var newH = height * (h/100.0);
|
---|
| 1932 | obj.setAttribute("height", newH);
|
---|
| 1933 | }
|
---|
| 1934 | }
|
---|
| 1935 | }
|
---|
| 1936 | },
|
---|
| 1937 |
|
---|
| 1938 | // needed for Opera to inhibit default behavior
|
---|
| 1939 | // since Opera delivers keyPress even if keyDown
|
---|
| 1940 | // was cancelled
|
---|
| 1941 | key_press: function (event) {
|
---|
| 1942 | if (!event)
|
---|
| 1943 | event = window.event;
|
---|
| 1944 |
|
---|
| 1945 | if (!w3c_slidy.key_wanted)
|
---|
| 1946 | return w3c_slidy.cancel(event);
|
---|
| 1947 |
|
---|
| 1948 | return true;
|
---|
| 1949 | },
|
---|
| 1950 |
|
---|
| 1951 | // See e.g. http://www.quirksmode.org/js/events/keys.html for keycodes
|
---|
| 1952 | key_down: function (event) {
|
---|
| 1953 | var key, target, tag;
|
---|
| 1954 |
|
---|
| 1955 | w3c_slidy.key_wanted = true;
|
---|
| 1956 |
|
---|
| 1957 | if (!event)
|
---|
| 1958 | event = window.event;
|
---|
| 1959 |
|
---|
| 1960 | // kludge around NS/IE differences
|
---|
| 1961 | if (window.event)
|
---|
| 1962 | {
|
---|
| 1963 | key = window.event.keyCode;
|
---|
| 1964 | target = window.event.srcElement;
|
---|
| 1965 | }
|
---|
| 1966 | else if (event.which)
|
---|
| 1967 | {
|
---|
| 1968 | key = event.which;
|
---|
| 1969 | target = event.target;
|
---|
| 1970 | }
|
---|
| 1971 | else
|
---|
| 1972 | return true; // Yikes! unknown browser
|
---|
| 1973 |
|
---|
| 1974 | // ignore event if key value is zero
|
---|
| 1975 | // as for alt on Opera and Konqueror
|
---|
| 1976 | if (!key)
|
---|
| 1977 | return true;
|
---|
| 1978 |
|
---|
| 1979 | // avoid interfering with keystroke
|
---|
| 1980 | // behavior for non-slidy chrome elements
|
---|
| 1981 | if (!w3c_slidy.slidy_chrome(target) &&
|
---|
| 1982 | w3c_slidy.special_element(target))
|
---|
| 1983 | return true;
|
---|
| 1984 |
|
---|
| 1985 | // check for concurrent control/command/alt key
|
---|
| 1986 | // but are these only present on mouse events?
|
---|
| 1987 |
|
---|
| 1988 | if (event.ctrlKey || event.altKey || event.metaKey)
|
---|
| 1989 | return true;
|
---|
| 1990 |
|
---|
| 1991 | // dismiss table of contents if visible
|
---|
| 1992 | if (w3c_slidy.is_shown_toc() && key != 9 && key != 16 && key != 38 && key != 40)
|
---|
| 1993 | {
|
---|
| 1994 | w3c_slidy.hide_table_of_contents(true);
|
---|
| 1995 |
|
---|
| 1996 | if (key == 27 || key == 84 || key == 67)
|
---|
| 1997 | return w3c_slidy.cancel(event);
|
---|
| 1998 | }
|
---|
| 1999 |
|
---|
| 2000 | if (key == 34) // Page Down
|
---|
| 2001 | {
|
---|
| 2002 | if (w3c_slidy.view_all)
|
---|
| 2003 | return true;
|
---|
| 2004 |
|
---|
| 2005 | w3c_slidy.next_slide(false);
|
---|
| 2006 | return w3c_slidy.cancel(event);
|
---|
| 2007 | }
|
---|
| 2008 | else if (key == 33) // Page Up
|
---|
| 2009 | {
|
---|
| 2010 | if (w3c_slidy.view_all)
|
---|
| 2011 | return true;
|
---|
| 2012 |
|
---|
| 2013 | w3c_slidy.previous_slide(false);
|
---|
| 2014 | return w3c_slidy.cancel(event);
|
---|
| 2015 | }
|
---|
| 2016 | else if (key == 32) // space bar
|
---|
| 2017 | {
|
---|
| 2018 | w3c_slidy.next_slide(true);
|
---|
| 2019 | return w3c_slidy.cancel(event);
|
---|
| 2020 | }
|
---|
| 2021 | else if (key == 37) // Left arrow
|
---|
| 2022 | {
|
---|
| 2023 | w3c_slidy.previous_slide(!event.shiftKey);
|
---|
| 2024 | return w3c_slidy.cancel(event);
|
---|
| 2025 | }
|
---|
| 2026 | else if (key == 36) // Home
|
---|
| 2027 | {
|
---|
| 2028 | w3c_slidy.first_slide();
|
---|
| 2029 | return w3c_slidy.cancel(event);
|
---|
| 2030 | }
|
---|
| 2031 | else if (key == 35) // End
|
---|
| 2032 | {
|
---|
| 2033 | w3c_slidy.last_slide();
|
---|
| 2034 | return w3c_slidy.cancel(event);
|
---|
| 2035 | }
|
---|
| 2036 | else if (key == 39) // Right arrow
|
---|
| 2037 | {
|
---|
| 2038 | w3c_slidy.next_slide(!event.shiftKey);
|
---|
| 2039 | return w3c_slidy.cancel(event);
|
---|
| 2040 | }
|
---|
| 2041 | else if (key == 13) // Enter
|
---|
| 2042 | {
|
---|
| 2043 | if (w3c_slidy.outline)
|
---|
| 2044 | {
|
---|
| 2045 | if (w3c_slidy.outline.visible)
|
---|
| 2046 | w3c_slidy.fold(w3c_slidy.outline);
|
---|
| 2047 | else
|
---|
| 2048 | w3c_slidy.unfold(w3c_slidy.outline);
|
---|
| 2049 |
|
---|
| 2050 | return w3c_slidy.cancel(event);
|
---|
| 2051 | }
|
---|
| 2052 | }
|
---|
| 2053 | else if (key == 188) // < for smaller fonts
|
---|
| 2054 | {
|
---|
| 2055 | w3c_slidy.smaller();
|
---|
| 2056 | return w3c_slidy.cancel(event);
|
---|
| 2057 | }
|
---|
| 2058 | else if (key == 190) // > for larger fonts
|
---|
| 2059 | {
|
---|
| 2060 | w3c_slidy.bigger();
|
---|
| 2061 | return w3c_slidy.cancel(event);
|
---|
| 2062 | }
|
---|
| 2063 | else if (key == 189 || key == 109) // - for smaller fonts
|
---|
| 2064 | {
|
---|
| 2065 | w3c_slidy.smaller();
|
---|
| 2066 | return w3c_slidy.cancel(event);
|
---|
| 2067 | }
|
---|
| 2068 | else if (key == 187 || key == 191 || key == 107) // = + for larger fonts
|
---|
| 2069 | {
|
---|
| 2070 | w3c_slidy.bigger();
|
---|
| 2071 | return w3c_slidy.cancel(event);
|
---|
| 2072 | }
|
---|
| 2073 | else if (key == 83) // S for smaller fonts
|
---|
| 2074 | {
|
---|
| 2075 | w3c_slidy.smaller();
|
---|
| 2076 | return w3c_slidy.cancel(event);
|
---|
| 2077 | }
|
---|
| 2078 | else if (key == 66) // B for larger fonts
|
---|
| 2079 | {
|
---|
| 2080 | w3c_slidy.bigger();
|
---|
| 2081 | return w3c_slidy.cancel(event);
|
---|
| 2082 | }
|
---|
| 2083 | else if (key == 90) // Z for last slide
|
---|
| 2084 | {
|
---|
| 2085 | w3c_slidy.last_slide();
|
---|
| 2086 | return w3c_slidy.cancel(event);
|
---|
| 2087 | }
|
---|
| 2088 | else if (key == 70) // F for toggle toolbar
|
---|
| 2089 | {
|
---|
| 2090 | w3c_slidy.toggle_toolbar();
|
---|
| 2091 | return w3c_slidy.cancel(event);
|
---|
| 2092 | }
|
---|
| 2093 | else if (key == 65) // A for toggle view single/all slides
|
---|
| 2094 | {
|
---|
| 2095 | w3c_slidy.toggle_view();
|
---|
| 2096 | return w3c_slidy.cancel(event);
|
---|
| 2097 | }
|
---|
| 2098 | else if (key == 75) // toggle action of left click for next page
|
---|
| 2099 | {
|
---|
| 2100 | w3c_slidy.mouse_click_enabled = !w3c_slidy.mouse_click_enabled;
|
---|
| 2101 | var alert_msg = (w3c_slidy.mouse_click_enabled ?
|
---|
| 2102 | "enabled" : "disabled") + " mouse click advance";
|
---|
| 2103 |
|
---|
| 2104 | alert(w3c_slidy.localize(alert_msg));
|
---|
| 2105 | return w3c_slidy.cancel(event);
|
---|
| 2106 | }
|
---|
| 2107 | else if (key == 84 || key == 67) // T or C for table of contents
|
---|
| 2108 | {
|
---|
| 2109 | if (w3c_slidy.toc)
|
---|
| 2110 | w3c_slidy.toggle_table_of_contents();
|
---|
| 2111 |
|
---|
| 2112 | return w3c_slidy.cancel(event);
|
---|
| 2113 | }
|
---|
| 2114 | else if (key == 72) // H for help
|
---|
| 2115 | {
|
---|
| 2116 | window.location = w3c_slidy.help_page;
|
---|
| 2117 | return w3c_slidy.cancel(event);
|
---|
| 2118 | }
|
---|
| 2119 | //else alert("key code is "+ key);
|
---|
| 2120 |
|
---|
| 2121 | return true;
|
---|
| 2122 | },
|
---|
| 2123 |
|
---|
| 2124 | // safe for both text/html and application/xhtml+xml
|
---|
| 2125 | create_element: function (name) {
|
---|
| 2126 | if (this.xhtml && (typeof document.createElementNS != 'undefined'))
|
---|
| 2127 | return document.createElementNS("http://www.w3.org/1999/xhtml", name)
|
---|
| 2128 |
|
---|
| 2129 | return document.createElement(name);
|
---|
| 2130 | },
|
---|
| 2131 |
|
---|
| 2132 | get_element_style: function (elem, IEStyleProp, CSSStyleProp) {
|
---|
| 2133 | if (elem.currentStyle)
|
---|
| 2134 | {
|
---|
| 2135 | return elem.currentStyle[IEStyleProp];
|
---|
| 2136 | }
|
---|
| 2137 | else if (window.getComputedStyle)
|
---|
| 2138 | {
|
---|
| 2139 | var compStyle = window.getComputedStyle(elem, "");
|
---|
| 2140 | return compStyle.getPropertyValue(CSSStyleProp);
|
---|
| 2141 | }
|
---|
| 2142 | return "";
|
---|
| 2143 | },
|
---|
| 2144 |
|
---|
| 2145 | // the string str is a whitespace separated list of tokens
|
---|
| 2146 | // test if str contains a particular token, e.g. "slide"
|
---|
| 2147 | has_token: function (str, token) {
|
---|
| 2148 | if (str)
|
---|
| 2149 | {
|
---|
| 2150 | // define pattern as regular expression
|
---|
| 2151 | var pattern = /\w+/g;
|
---|
| 2152 |
|
---|
| 2153 | // check for matches
|
---|
| 2154 | // place result in array
|
---|
| 2155 | var result = str.match(pattern);
|
---|
| 2156 |
|
---|
| 2157 | // now check if desired token is present
|
---|
| 2158 | for (var i = 0; i < result.length; i++)
|
---|
| 2159 | {
|
---|
| 2160 | if (result[i] == token)
|
---|
| 2161 | return true;
|
---|
| 2162 | }
|
---|
| 2163 | }
|
---|
| 2164 |
|
---|
| 2165 | return false;
|
---|
| 2166 | },
|
---|
| 2167 |
|
---|
| 2168 | get_class_list: function (element) {
|
---|
| 2169 | if (typeof element.className != 'undefined')
|
---|
| 2170 | return element.className;
|
---|
| 2171 |
|
---|
| 2172 | return element.getAttribute("class");
|
---|
| 2173 | },
|
---|
| 2174 |
|
---|
| 2175 | has_class: function (element, name) {
|
---|
| 2176 | if (element.nodeType != 1)
|
---|
| 2177 | return false;
|
---|
| 2178 |
|
---|
| 2179 | var regexp = new RegExp("(^| )" + name + "\W*");
|
---|
| 2180 |
|
---|
| 2181 | if (typeof element.className != 'undefined')
|
---|
| 2182 | return regexp.test(element.className);
|
---|
| 2183 |
|
---|
| 2184 | return regexp.test(element.getAttribute("class"));
|
---|
| 2185 | },
|
---|
| 2186 |
|
---|
| 2187 | remove_class: function (element, name) {
|
---|
| 2188 | var regexp = new RegExp("(^| )" + name + "\W*");
|
---|
| 2189 | var clsval = "";
|
---|
| 2190 |
|
---|
| 2191 | if (typeof element.className != 'undefined')
|
---|
| 2192 | {
|
---|
| 2193 | clsval = element.className;
|
---|
| 2194 |
|
---|
| 2195 | if (clsval)
|
---|
| 2196 | {
|
---|
| 2197 | clsval = clsval.replace(regexp, "");
|
---|
| 2198 | element.className = clsval;
|
---|
| 2199 | }
|
---|
| 2200 | }
|
---|
| 2201 | else
|
---|
| 2202 | {
|
---|
| 2203 | clsval = element.getAttribute("class");
|
---|
| 2204 |
|
---|
| 2205 | if (clsval)
|
---|
| 2206 | {
|
---|
| 2207 | clsval = clsval.replace(regexp, "");
|
---|
| 2208 | element.setAttribute("class", clsval);
|
---|
| 2209 | }
|
---|
| 2210 | }
|
---|
| 2211 | },
|
---|
| 2212 |
|
---|
| 2213 | add_class: function (element, name) {
|
---|
| 2214 | if (!this.has_class(element, name))
|
---|
| 2215 | {
|
---|
| 2216 | if (typeof element.className != 'undefined')
|
---|
| 2217 | element.className += " " + name;
|
---|
| 2218 | else
|
---|
| 2219 | {
|
---|
| 2220 | var clsval = element.getAttribute("class");
|
---|
| 2221 | clsval = clsval ? clsval + " " + name : name;
|
---|
| 2222 | element.setAttribute("class", clsval);
|
---|
| 2223 | }
|
---|
| 2224 | }
|
---|
| 2225 | },
|
---|
| 2226 |
|
---|
| 2227 | // HTML elements that can be used with class="incremental"
|
---|
| 2228 | // note that you can also put the class on containers like
|
---|
| 2229 | // up, ol, dl, and div to make their contents appear
|
---|
| 2230 | // incrementally. Upper case is used since this is what
|
---|
| 2231 | // browsers report for HTML node names (text/html).
|
---|
| 2232 | incremental_elements: null,
|
---|
| 2233 | okay_for_incremental: function (name) {
|
---|
| 2234 | if (!this.incremental_elements)
|
---|
| 2235 | {
|
---|
| 2236 | var inclist = new Array();
|
---|
| 2237 | inclist["p"] = true;
|
---|
| 2238 | inclist["pre"] = true;
|
---|
| 2239 | inclist["li"] = true;
|
---|
| 2240 | inclist["blockquote"] = true;
|
---|
| 2241 | inclist["dt"] = true;
|
---|
| 2242 | inclist["dd"] = true;
|
---|
| 2243 | inclist["h2"] = true;
|
---|
| 2244 | inclist["h3"] = true;
|
---|
| 2245 | inclist["h4"] = true;
|
---|
| 2246 | inclist["h5"] = true;
|
---|
| 2247 | inclist["h6"] = true;
|
---|
| 2248 | inclist["span"] = true;
|
---|
| 2249 | inclist["address"] = true;
|
---|
| 2250 | inclist["table"] = true;
|
---|
| 2251 | inclist["tr"] = true;
|
---|
| 2252 | inclist["th"] = true;
|
---|
| 2253 | inclist["td"] = true;
|
---|
| 2254 | inclist["img"] = true;
|
---|
| 2255 | inclist["object"] = true;
|
---|
| 2256 | this.incremental_elements = inclist;
|
---|
| 2257 | }
|
---|
| 2258 | return this.incremental_elements[name.toLowerCase()];
|
---|
| 2259 | },
|
---|
| 2260 |
|
---|
| 2261 | next_incremental_item: function (node) {
|
---|
| 2262 | var br = this.is_xhtml ? "br" : "BR";
|
---|
| 2263 | var slide = w3c_slidy.slides[w3c_slidy.slide_number];
|
---|
| 2264 |
|
---|
| 2265 | for (;;)
|
---|
| 2266 | {
|
---|
| 2267 | node = w3c_slidy.next_node(slide, node);
|
---|
| 2268 |
|
---|
| 2269 | if (node == null || node.parentNode == null)
|
---|
| 2270 | break;
|
---|
| 2271 |
|
---|
| 2272 | if (node.nodeType == 1) // ELEMENT
|
---|
| 2273 | {
|
---|
| 2274 | if (node.nodeName == br)
|
---|
| 2275 | continue;
|
---|
| 2276 |
|
---|
| 2277 | if (w3c_slidy.has_class(node, "incremental")
|
---|
| 2278 | && w3c_slidy.okay_for_incremental(node.nodeName))
|
---|
| 2279 | return node;
|
---|
| 2280 |
|
---|
| 2281 | if (w3c_slidy.has_class(node.parentNode, "incremental")
|
---|
| 2282 | && !w3c_slidy.has_class(node, "non-incremental"))
|
---|
| 2283 | return node;
|
---|
| 2284 | }
|
---|
| 2285 | }
|
---|
| 2286 |
|
---|
| 2287 | return node;
|
---|
| 2288 | },
|
---|
| 2289 |
|
---|
| 2290 | previous_incremental_item: function (node) {
|
---|
| 2291 | var br = this.is_xhtml ? "br" : "BR";
|
---|
| 2292 | var slide = w3c_slidy.slides[w3c_slidy.slide_number];
|
---|
| 2293 |
|
---|
| 2294 | for (;;)
|
---|
| 2295 | {
|
---|
| 2296 | node = w3c_slidy.previous_node(slide, node);
|
---|
| 2297 |
|
---|
| 2298 | if (node == null || node.parentNode == null)
|
---|
| 2299 | break;
|
---|
| 2300 |
|
---|
| 2301 | if (node.nodeType == 1)
|
---|
| 2302 | {
|
---|
| 2303 | if (node.nodeName == br)
|
---|
| 2304 | continue;
|
---|
| 2305 |
|
---|
| 2306 | if (w3c_slidy.has_class(node, "incremental")
|
---|
| 2307 | && w3c_slidy.okay_for_incremental(node.nodeName))
|
---|
| 2308 | return node;
|
---|
| 2309 |
|
---|
| 2310 | if (w3c_slidy.has_class(node.parentNode, "incremental")
|
---|
| 2311 | && !w3c_slidy.has_class(node, "non-incremental"))
|
---|
| 2312 | return node;
|
---|
| 2313 | }
|
---|
| 2314 | }
|
---|
| 2315 |
|
---|
| 2316 | return node;
|
---|
| 2317 | },
|
---|
| 2318 |
|
---|
| 2319 | // set visibility for all elements on current slide with
|
---|
| 2320 | // a parent element with attribute class="incremental"
|
---|
| 2321 | set_visibility_all_incremental: function (value) {
|
---|
| 2322 | var node = this.next_incremental_item(null);
|
---|
| 2323 |
|
---|
| 2324 | if (value == "hidden")
|
---|
| 2325 | {
|
---|
| 2326 | while (node)
|
---|
| 2327 | {
|
---|
| 2328 | w3c_slidy.add_class(node, "invisible");
|
---|
| 2329 | node = w3c_slidy.next_incremental_item(node);
|
---|
| 2330 | }
|
---|
| 2331 | }
|
---|
| 2332 | else // value == "visible"
|
---|
| 2333 | {
|
---|
| 2334 | while (node)
|
---|
| 2335 | {
|
---|
| 2336 | w3c_slidy.remove_class(node, "invisible");
|
---|
| 2337 | node = w3c_slidy.next_incremental_item(node);
|
---|
| 2338 | }
|
---|
| 2339 | }
|
---|
| 2340 | },
|
---|
| 2341 |
|
---|
| 2342 | // reveal the next hidden item on the slide
|
---|
| 2343 | // node is null or the node that was last revealed
|
---|
| 2344 | reveal_next_item: function (node) {
|
---|
| 2345 | node = w3c_slidy.next_incremental_item(node);
|
---|
| 2346 |
|
---|
| 2347 | if (node && node.nodeType == 1) // an element
|
---|
| 2348 | w3c_slidy.remove_class(node, "invisible");
|
---|
| 2349 |
|
---|
| 2350 | return node;
|
---|
| 2351 | },
|
---|
| 2352 |
|
---|
| 2353 | // exact inverse of revealNextItem(node)
|
---|
| 2354 | hide_previous_item: function (node) {
|
---|
| 2355 | if (node && node.nodeType == 1) // an element
|
---|
| 2356 | w3c_slidy.add_class(node, "invisible");
|
---|
| 2357 |
|
---|
| 2358 | return this.previous_incremental_item(node);
|
---|
| 2359 | },
|
---|
| 2360 |
|
---|
| 2361 | // left to right traversal of root's content
|
---|
| 2362 | next_node: function (root, node) {
|
---|
| 2363 | if (node == null)
|
---|
| 2364 | return root.firstChild;
|
---|
| 2365 |
|
---|
| 2366 | if (node.firstChild)
|
---|
| 2367 | return node.firstChild;
|
---|
| 2368 |
|
---|
| 2369 | if (node.nextSibling)
|
---|
| 2370 | return node.nextSibling;
|
---|
| 2371 |
|
---|
| 2372 | for (;;)
|
---|
| 2373 | {
|
---|
| 2374 | node = node.parentNode;
|
---|
| 2375 |
|
---|
| 2376 | if (!node || node == root)
|
---|
| 2377 | break;
|
---|
| 2378 |
|
---|
| 2379 | if (node && node.nextSibling)
|
---|
| 2380 | return node.nextSibling;
|
---|
| 2381 | }
|
---|
| 2382 |
|
---|
| 2383 | return null;
|
---|
| 2384 | },
|
---|
| 2385 |
|
---|
| 2386 | // right to left traversal of root's content
|
---|
| 2387 | previous_node: function (root, node) {
|
---|
| 2388 | if (node == null)
|
---|
| 2389 | {
|
---|
| 2390 | node = root.lastChild;
|
---|
| 2391 |
|
---|
| 2392 | if (node)
|
---|
| 2393 | {
|
---|
| 2394 | while (node.lastChild)
|
---|
| 2395 | node = node.lastChild;
|
---|
| 2396 | }
|
---|
| 2397 |
|
---|
| 2398 | return node;
|
---|
| 2399 | }
|
---|
| 2400 |
|
---|
| 2401 | if (node.previousSibling)
|
---|
| 2402 | {
|
---|
| 2403 | node = node.previousSibling;
|
---|
| 2404 |
|
---|
| 2405 | while (node.lastChild)
|
---|
| 2406 | node = node.lastChild;
|
---|
| 2407 |
|
---|
| 2408 | return node;
|
---|
| 2409 | }
|
---|
| 2410 |
|
---|
| 2411 | if (node.parentNode != root)
|
---|
| 2412 | return node.parentNode;
|
---|
| 2413 |
|
---|
| 2414 | return null;
|
---|
| 2415 | },
|
---|
| 2416 |
|
---|
| 2417 | previous_sibling_element: function (el) {
|
---|
| 2418 | el = el.previousSibling;
|
---|
| 2419 |
|
---|
| 2420 | while (el && el.nodeType != 1)
|
---|
| 2421 | el = el.previousSibling;
|
---|
| 2422 |
|
---|
| 2423 | return el;
|
---|
| 2424 | },
|
---|
| 2425 |
|
---|
| 2426 | next_sibling_element: function (el) {
|
---|
| 2427 | el = el.nextSibling;
|
---|
| 2428 |
|
---|
| 2429 | while (el && el.nodeType != 1)
|
---|
| 2430 | el = el.nextSibling;
|
---|
| 2431 |
|
---|
| 2432 | return el;
|
---|
| 2433 | },
|
---|
| 2434 |
|
---|
| 2435 | first_child_element: function (el) {
|
---|
| 2436 | var node;
|
---|
| 2437 |
|
---|
| 2438 | for (node = el.firstChild; node; node = node.nextSibling)
|
---|
| 2439 | {
|
---|
| 2440 | if (node.nodeType == 1)
|
---|
| 2441 | break;
|
---|
| 2442 | }
|
---|
| 2443 |
|
---|
| 2444 | return node;
|
---|
| 2445 | },
|
---|
| 2446 |
|
---|
| 2447 | first_tag: function (element, tag) {
|
---|
| 2448 | var node;
|
---|
| 2449 |
|
---|
| 2450 | if (!this.is_xhtml)
|
---|
| 2451 | tag = tag.toUpperCase();
|
---|
| 2452 |
|
---|
| 2453 | for (node = element.firstChild; node; node = node.nextSibling)
|
---|
| 2454 | {
|
---|
| 2455 | if (node.nodeType == 1 && node.nodeName == tag)
|
---|
| 2456 | break;
|
---|
| 2457 | }
|
---|
| 2458 |
|
---|
| 2459 | return node;
|
---|
| 2460 | },
|
---|
| 2461 |
|
---|
| 2462 | hide_selection: function () {
|
---|
| 2463 | if (window.getSelection) // Firefox, Chromium, Safari, Opera
|
---|
| 2464 | {
|
---|
| 2465 | var selection = window.getSelection();
|
---|
| 2466 |
|
---|
| 2467 | if (selection.rangeCount > 0)
|
---|
| 2468 | {
|
---|
| 2469 | var range = selection.getRangeAt(0);
|
---|
| 2470 | range.collapse (false);
|
---|
| 2471 | }
|
---|
| 2472 | }
|
---|
| 2473 | else // Internet Explorer
|
---|
| 2474 | {
|
---|
| 2475 | var textRange = document.selection.createRange ();
|
---|
| 2476 | textRange.collapse (false);
|
---|
| 2477 | }
|
---|
| 2478 | },
|
---|
| 2479 |
|
---|
| 2480 | get_selected_text: function () {
|
---|
| 2481 | try
|
---|
| 2482 | {
|
---|
| 2483 | if (window.getSelection)
|
---|
| 2484 | return window.getSelection().toString();
|
---|
| 2485 |
|
---|
| 2486 | if (document.getSelection)
|
---|
| 2487 | return document.getSelection().toString();
|
---|
| 2488 |
|
---|
| 2489 | if (document.selection)
|
---|
| 2490 | return document.selection.createRange().text;
|
---|
| 2491 | }
|
---|
| 2492 | catch (e)
|
---|
| 2493 | {
|
---|
| 2494 | }
|
---|
| 2495 |
|
---|
| 2496 | return "";
|
---|
| 2497 | },
|
---|
| 2498 |
|
---|
| 2499 | // make note of length of selected text
|
---|
| 2500 | // as this evaluates to zero in click event
|
---|
| 2501 | mouse_button_up: function (e) {
|
---|
| 2502 | w3c_slidy.selected_text_len = w3c_slidy.get_selected_text().length;
|
---|
| 2503 | },
|
---|
| 2504 |
|
---|
| 2505 | // right mouse button click is reserved for context menus
|
---|
| 2506 | // it is more reliable to detect rightclick than leftclick
|
---|
| 2507 | mouse_button_click: function (e) {
|
---|
| 2508 | var rightclick = false;
|
---|
| 2509 | var leftclick = false;
|
---|
| 2510 | var middleclick = false;
|
---|
| 2511 | var target;
|
---|
| 2512 |
|
---|
| 2513 | if (!e)
|
---|
| 2514 | var e = window.event;
|
---|
| 2515 |
|
---|
| 2516 | if (e.target)
|
---|
| 2517 | target = e.target;
|
---|
| 2518 | else if (e.srcElement)
|
---|
| 2519 | target = e.srcElement;
|
---|
| 2520 |
|
---|
| 2521 | // work around Safari bug
|
---|
| 2522 | if (target.nodeType == 3)
|
---|
| 2523 | target = target.parentNode;
|
---|
| 2524 |
|
---|
| 2525 | if (e.which) // all browsers except IE
|
---|
| 2526 | {
|
---|
| 2527 | leftclick = (e.which == 1);
|
---|
| 2528 | middleclick = (e.which == 2);
|
---|
| 2529 | rightclick = (e.which == 3);
|
---|
| 2530 | }
|
---|
| 2531 | else if (e.button)
|
---|
| 2532 | {
|
---|
| 2533 | // Konqueror gives 1 for left, 4 for middle
|
---|
| 2534 | // IE6 gives 0 for left and not 1 as I expected
|
---|
| 2535 |
|
---|
| 2536 | if (e.button == 4)
|
---|
| 2537 | middleclick = true;
|
---|
| 2538 |
|
---|
| 2539 | // all browsers agree on 2 for right button
|
---|
| 2540 | rightclick = (e.button == 2);
|
---|
| 2541 | }
|
---|
| 2542 | else
|
---|
| 2543 | leftclick = true;
|
---|
| 2544 |
|
---|
| 2545 | if (w3c_slidy.selected_text_len > 0)
|
---|
| 2546 | {
|
---|
| 2547 | w3c_slidy.stop_propagation(e);
|
---|
| 2548 | e.cancel = true;
|
---|
| 2549 | e.returnValue = false;
|
---|
| 2550 | return false;
|
---|
| 2551 | }
|
---|
| 2552 |
|
---|
| 2553 | // dismiss table of contents
|
---|
| 2554 | w3c_slidy.hide_table_of_contents(false);
|
---|
| 2555 |
|
---|
| 2556 | // check if target is something that probably want's clicks
|
---|
| 2557 | // e.g. a, embed, object, input, textarea, select, option
|
---|
| 2558 | var tag = target.nodeName.toLowerCase();
|
---|
| 2559 |
|
---|
| 2560 | if (w3c_slidy.mouse_click_enabled && leftclick &&
|
---|
| 2561 | !w3c_slidy.special_element(target) &&
|
---|
| 2562 | !target.onclick)
|
---|
| 2563 | {
|
---|
| 2564 | w3c_slidy.next_slide(true);
|
---|
| 2565 | w3c_slidy.stop_propagation(e);
|
---|
| 2566 | e.cancel = true;
|
---|
| 2567 | e.returnValue = false;
|
---|
| 2568 | return false;
|
---|
| 2569 | }
|
---|
| 2570 |
|
---|
| 2571 | return true;
|
---|
| 2572 | },
|
---|
| 2573 |
|
---|
| 2574 | special_element: function (element) {
|
---|
| 2575 | if (this.has_class(element, "non-interactive"))
|
---|
| 2576 | return false;
|
---|
| 2577 |
|
---|
| 2578 | var tag = element.nodeName.toLowerCase();
|
---|
| 2579 |
|
---|
| 2580 | return element.onkeydown ||
|
---|
| 2581 | element.onclick ||
|
---|
| 2582 | tag == "a" ||
|
---|
| 2583 | tag == "embed" ||
|
---|
| 2584 | tag == "object" ||
|
---|
| 2585 | tag == "video" ||
|
---|
| 2586 | tag == "audio" ||
|
---|
| 2587 | tag == "svg" ||
|
---|
| 2588 | tag == "canvas" ||
|
---|
| 2589 | tag == "input" ||
|
---|
| 2590 | tag == "textarea" ||
|
---|
| 2591 | tag == "select" ||
|
---|
| 2592 | tag == "option";
|
---|
| 2593 | },
|
---|
| 2594 |
|
---|
| 2595 | slidy_chrome: function (el) {
|
---|
| 2596 | while (el)
|
---|
| 2597 | {
|
---|
| 2598 | if (el == w3c_slidy.toc ||
|
---|
| 2599 | el == w3c_slidy.toolbar ||
|
---|
| 2600 | w3c_slidy.has_class(el, "outline"))
|
---|
| 2601 | return true;
|
---|
| 2602 |
|
---|
| 2603 | el = el.parentNode;
|
---|
| 2604 | }
|
---|
| 2605 |
|
---|
| 2606 | return false;
|
---|
| 2607 | },
|
---|
| 2608 |
|
---|
| 2609 | get_key: function (e)
|
---|
| 2610 | {
|
---|
| 2611 | var key;
|
---|
| 2612 |
|
---|
| 2613 | // kludge around NS/IE differences
|
---|
| 2614 | if (typeof window.event != "undefined")
|
---|
| 2615 | key = window.event.keyCode;
|
---|
| 2616 | else if (e.which)
|
---|
| 2617 | key = e.which;
|
---|
| 2618 |
|
---|
| 2619 | return key;
|
---|
| 2620 | },
|
---|
| 2621 |
|
---|
| 2622 | get_target: function (e) {
|
---|
| 2623 | var target;
|
---|
| 2624 |
|
---|
| 2625 | if (!e)
|
---|
| 2626 | e = window.event;
|
---|
| 2627 |
|
---|
| 2628 | if (e.target)
|
---|
| 2629 | target = e.target;
|
---|
| 2630 | else if (e.srcElement)
|
---|
| 2631 | target = e.srcElement;
|
---|
| 2632 |
|
---|
| 2633 | if (target.nodeType != 1)
|
---|
| 2634 | target = target.parentNode;
|
---|
| 2635 |
|
---|
| 2636 | return target;
|
---|
| 2637 | },
|
---|
| 2638 |
|
---|
| 2639 | // does display property provide correct defaults?
|
---|
| 2640 | is_block: function (elem) {
|
---|
| 2641 | var tag = elem.nodeName.toLowerCase();
|
---|
| 2642 |
|
---|
| 2643 | return tag == "ol" || tag == "ul" || tag == "p" ||
|
---|
| 2644 | tag == "li" || tag == "table" || tag == "pre" ||
|
---|
| 2645 | tag == "h1" || tag == "h2" || tag == "h3" ||
|
---|
| 2646 | tag == "h4" || tag == "h5" || tag == "h6" ||
|
---|
| 2647 | tag == "blockquote" || tag == "address";
|
---|
| 2648 | },
|
---|
| 2649 |
|
---|
| 2650 | add_listener: function (element, event, handler) {
|
---|
| 2651 | if (window.addEventListener)
|
---|
| 2652 | element.addEventListener(event, handler, false);
|
---|
| 2653 | else
|
---|
| 2654 | element.attachEvent("on"+event, handler);
|
---|
| 2655 | },
|
---|
| 2656 |
|
---|
| 2657 | // used to prevent event propagation from field controls
|
---|
| 2658 | stop_propagation: function (event) {
|
---|
| 2659 | event = event ? event : window.event;
|
---|
| 2660 | event.cancelBubble = true; // for IE
|
---|
| 2661 |
|
---|
| 2662 | if (event.stopPropagation)
|
---|
| 2663 | event.stopPropagation();
|
---|
| 2664 |
|
---|
| 2665 | return true;
|
---|
| 2666 | },
|
---|
| 2667 |
|
---|
| 2668 | cancel: function (event) {
|
---|
| 2669 | if (event)
|
---|
| 2670 | {
|
---|
| 2671 | event.cancel = true;
|
---|
| 2672 | event.returnValue = false;
|
---|
| 2673 |
|
---|
| 2674 | if (event.preventDefault)
|
---|
| 2675 | event.preventDefault();
|
---|
| 2676 | }
|
---|
| 2677 |
|
---|
| 2678 | w3c_slidy.key_wanted = false;
|
---|
| 2679 | return false;
|
---|
| 2680 | },
|
---|
| 2681 |
|
---|
| 2682 | // for each language define an associative array
|
---|
| 2683 | // and also the help text which is longer
|
---|
| 2684 |
|
---|
| 2685 | strings_es: {
|
---|
| 2686 | "slide":"pág.",
|
---|
| 2687 | "help?":"Ayuda",
|
---|
| 2688 | "contents?":"Índice",
|
---|
| 2689 | "table of contents":"tabla de contenidos",
|
---|
| 2690 | "Table of Contents":"Tabla de Contenidos",
|
---|
| 2691 | "restart presentation":"Reiniciar presentación",
|
---|
| 2692 | "restart?":"Inicio"
|
---|
| 2693 | },
|
---|
| 2694 | help_es:
|
---|
| 2695 | "Utilice el ratón, barra espaciadora, teclas Izda/Dcha, " +
|
---|
| 2696 | "o Re pág y Av pág. Use S y B para cambiar el tamaño de fuente.",
|
---|
| 2697 |
|
---|
| 2698 | strings_ca: {
|
---|
| 2699 | "slide":"pàg..",
|
---|
| 2700 | "help?":"Ajuda",
|
---|
| 2701 | "contents?":"Índex",
|
---|
| 2702 | "table of contents":"taula de continguts",
|
---|
| 2703 | "Table of Contents":"Taula de Continguts",
|
---|
| 2704 | "restart presentation":"Reiniciar presentació",
|
---|
| 2705 | "restart?":"Inici"
|
---|
| 2706 | },
|
---|
| 2707 | help_ca:
|
---|
| 2708 | "Utilitzi el ratolí, barra espaiadora, tecles Esq./Dta. " +
|
---|
| 2709 | "o Re pàg y Av pàg. Usi S i B per canviar grandària de font.",
|
---|
| 2710 |
|
---|
| 2711 | strings_cs: {
|
---|
| 2712 | "slide":"snímek",
|
---|
| 2713 | "help?":"nápověda",
|
---|
| 2714 | "contents?":"obsah",
|
---|
| 2715 | "table of contents":"obsah prezentace",
|
---|
| 2716 | "Table of Contents":"Obsah prezentace",
|
---|
| 2717 | "restart presentation":"znovu spustit prezentaci",
|
---|
| 2718 | "restart?":"restart"
|
---|
| 2719 | },
|
---|
| 2720 | help_cs:
|
---|
| 2721 | "Prezentaci můžete procházet pomocí kliknutí myši, mezerníku, " +
|
---|
| 2722 | "šipek vlevo a vpravo nebo kláves PageUp a PageDown. Písmo se " +
|
---|
| 2723 | "dá zvětšit a zmenšit pomocí kláves B a S.",
|
---|
| 2724 |
|
---|
| 2725 | strings_nl: {
|
---|
| 2726 | "slide":"pagina",
|
---|
| 2727 | "help?":"Help?",
|
---|
| 2728 | "contents?":"Inhoud?",
|
---|
| 2729 | "table of contents":"inhoudsopgave",
|
---|
| 2730 | "Table of Contents":"Inhoudsopgave",
|
---|
| 2731 | "restart presentation":"herstart presentatie",
|
---|
| 2732 | "restart?":"Herstart?"
|
---|
| 2733 | },
|
---|
| 2734 | help_nl:
|
---|
| 2735 | "Navigeer d.m.v. het muis, spatiebar, Links/Rechts toetsen, " +
|
---|
| 2736 | "of PgUp en PgDn. Gebruik S en B om de karaktergrootte te veranderen.",
|
---|
| 2737 |
|
---|
| 2738 | strings_de: {
|
---|
| 2739 | "slide":"Seite",
|
---|
| 2740 | "help?":"Hilfe",
|
---|
| 2741 | "contents?":"Übersicht",
|
---|
| 2742 | "table of contents":"Inhaltsverzeichnis",
|
---|
| 2743 | "Table of Contents":"Inhaltsverzeichnis",
|
---|
| 2744 | "restart presentation":"Präsentation neu starten",
|
---|
| 2745 | "restart?":"Neustart"
|
---|
| 2746 | },
|
---|
| 2747 | help_de:
|
---|
| 2748 | "Benutzen Sie die Maus, Leerschlag, die Cursortasten links/rechts oder " +
|
---|
| 2749 | "Page up/Page Down zum Wechseln der Seiten und S und B für die Schriftgrösse.",
|
---|
| 2750 |
|
---|
| 2751 | strings_pl: {
|
---|
| 2752 | "slide":"slajd",
|
---|
| 2753 | "help?":"pomoc?",
|
---|
| 2754 | "contents?":"spis treści?",
|
---|
| 2755 | "table of contents":"spis treści",
|
---|
| 2756 | "Table of Contents":"Spis Treści",
|
---|
| 2757 | "restart presentation":"Restartuj prezentację",
|
---|
| 2758 | "restart?":"restart?"
|
---|
| 2759 | },
|
---|
| 2760 | help_pl:
|
---|
| 2761 | "Zmieniaj slajdy klikając myszą, naciskając spację, strzałki lewo/prawo" +
|
---|
| 2762 | "lub PgUp / PgDn. Użyj klawiszy S i B, aby zmienić rozmiar czczionki.",
|
---|
| 2763 |
|
---|
| 2764 | strings_fr: {
|
---|
| 2765 | "slide":"page",
|
---|
| 2766 | "help?":"Aide",
|
---|
| 2767 | "contents?":"Index",
|
---|
| 2768 | "table of contents":"table des matières",
|
---|
| 2769 | "Table of Contents":"Table des matières",
|
---|
| 2770 | "restart presentation":"Recommencer l'exposé",
|
---|
| 2771 | "restart?":"Début"
|
---|
| 2772 | },
|
---|
| 2773 | help_fr:
|
---|
| 2774 | "Naviguez avec la souris, la barre d'espace, les flèches " +
|
---|
| 2775 | "gauche/droite ou les touches Pg Up, Pg Dn. Utilisez " +
|
---|
| 2776 | "les touches S et B pour modifier la taille de la police.",
|
---|
| 2777 |
|
---|
| 2778 | strings_hu: {
|
---|
| 2779 | "slide":"oldal",
|
---|
| 2780 | "help?":"segítség",
|
---|
| 2781 | "contents?":"tartalom",
|
---|
| 2782 | "table of contents":"tartalomjegyzék",
|
---|
| 2783 | "Table of Contents":"Tartalomjegyzék",
|
---|
| 2784 | "restart presentation":"bemutató újraindítása",
|
---|
| 2785 | "restart?":"újraindítás"
|
---|
| 2786 | },
|
---|
| 2787 | help_hu:
|
---|
| 2788 | "Az oldalak közti lépkedéshez kattintson az egérrel, vagy " +
|
---|
| 2789 | "használja a szóköz, a bal, vagy a jobb nyíl, illetve a Page Down, " +
|
---|
| 2790 | "Page Up billentyűket. Az S és a B billentyűkkel változtathatja " +
|
---|
| 2791 | "a szöveg méretét.",
|
---|
| 2792 |
|
---|
| 2793 | strings_it: {
|
---|
| 2794 | "slide":"pag.",
|
---|
| 2795 | "help?":"Aiuto",
|
---|
| 2796 | "contents?":"Indice",
|
---|
| 2797 | "table of contents":"indice",
|
---|
| 2798 | "Table of Contents":"Indice",
|
---|
| 2799 | "restart presentation":"Ricominciare la presentazione",
|
---|
| 2800 | "restart?":"Inizio"
|
---|
| 2801 | },
|
---|
| 2802 | help_it:
|
---|
| 2803 | "Navigare con mouse, barra spazio, frecce sinistra/destra o " +
|
---|
| 2804 | "PgUp e PgDn. Usare S e B per cambiare la dimensione dei caratteri.",
|
---|
| 2805 |
|
---|
| 2806 | strings_el: {
|
---|
| 2807 | "slide":"σελίδα",
|
---|
| 2808 | "help?":"βοήθεια;",
|
---|
| 2809 | "contents?":"περιεχόμενα;",
|
---|
| 2810 | "table of contents":"πίνακας περιεχομένων",
|
---|
| 2811 | "Table of Contents":"Πίνακας Περιεχομένων",
|
---|
| 2812 | "restart presentation":"επανεκκίνηση παρουσίασης",
|
---|
| 2813 | "restart?":"επανεκκίνηση;"
|
---|
| 2814 | },
|
---|
| 2815 | help_el:
|
---|
| 2816 | "Πλοηγηθείτε με το κλίκ του ποντικιού, το space, τα βέλη αριστερά/δεξιά, " +
|
---|
| 2817 | "ή Page Up και Page Down. Χρησιμοποιήστε τα πλήκτρα S και B για να αλλάξετε " +
|
---|
| 2818 | "το μέγεθος της γραμματοσειράς.",
|
---|
| 2819 |
|
---|
| 2820 | strings_ja: {
|
---|
| 2821 | "slide":"スライド",
|
---|
| 2822 | "help?":"ヘルプ",
|
---|
| 2823 | "contents?":"目次",
|
---|
| 2824 | "table of contents":"目次を表示",
|
---|
| 2825 | "Table of Contents":"目次",
|
---|
| 2826 | "restart presentation":"最初から再生",
|
---|
| 2827 | "restart?":"最初から"
|
---|
| 2828 | },
|
---|
| 2829 | help_ja:
|
---|
| 2830 | "マウス左クリック ・ スペース ・ 左右キー " +
|
---|
| 2831 | "または Page Up ・ Page Downで操作, S ・ Bでフォントサイズ変更",
|
---|
| 2832 |
|
---|
| 2833 | strings_zh: {
|
---|
| 2834 | "slide":"幻灯片",
|
---|
| 2835 | "help?":"帮助?",
|
---|
| 2836 | "contents?":"内容?",
|
---|
| 2837 | "table of contents":"目录",
|
---|
| 2838 | "Table of Contents":"目录",
|
---|
| 2839 | "restart presentation":"重新启动展示",
|
---|
| 2840 | "restart?":"重新启动?"
|
---|
| 2841 | },
|
---|
| 2842 | help_zh:
|
---|
| 2843 | "用鼠标点击, 空格条, 左右箭头, Pg Up 和 Pg Dn 导航. " +
|
---|
| 2844 | "用 S, B 改变字体大小.",
|
---|
| 2845 |
|
---|
| 2846 | strings_ru: {
|
---|
| 2847 | "slide":"слайд",
|
---|
| 2848 | "help?":"помощь?",
|
---|
| 2849 | "contents?":"содержание?",
|
---|
| 2850 | "table of contents":"оглавление",
|
---|
| 2851 | "Table of Contents":"Оглавление",
|
---|
| 2852 | "restart presentation":"перезапустить презентацию",
|
---|
| 2853 | "restart?":"перезапуск?"
|
---|
| 2854 | },
|
---|
| 2855 | help_ru:
|
---|
| 2856 | "Перемещайтесь кликая мышкой, используя клавишу пробел, стрелки" +
|
---|
| 2857 | "влево/вправо или Pg Up и Pg Dn. Клавиши S и B меняют размер шрифта.",
|
---|
| 2858 |
|
---|
| 2859 | strings_sv: {
|
---|
| 2860 | "slide":"sida",
|
---|
| 2861 | "help?":"hjälp",
|
---|
| 2862 | "contents?":"innehåll",
|
---|
| 2863 | "table of contents":"innehållsförteckning",
|
---|
| 2864 | "Table of Contents":"Innehållsförteckning",
|
---|
| 2865 | "restart presentation":"visa presentationen från början",
|
---|
| 2866 | "restart?":"börja om"
|
---|
| 2867 | },
|
---|
| 2868 | help_sv:
|
---|
| 2869 | "Bläddra med ett klick med vänstra musknappen, mellanslagstangenten, " +
|
---|
| 2870 | "vänster- och högerpiltangenterna eller tangenterna Pg Up, Pg Dn. " +
|
---|
| 2871 | "Använd tangenterna S och B för att ändra textens storlek.",
|
---|
| 2872 |
|
---|
| 2873 | strings: { },
|
---|
| 2874 |
|
---|
| 2875 | localize: function (src) {
|
---|
| 2876 | if (src == "")
|
---|
| 2877 | return src;
|
---|
| 2878 |
|
---|
| 2879 | // try full language code, e.g. en-US
|
---|
| 2880 | var s, lookup = w3c_slidy.strings[w3c_slidy.lang];
|
---|
| 2881 |
|
---|
| 2882 | if (lookup)
|
---|
| 2883 | {
|
---|
| 2884 | s = lookup[src];
|
---|
| 2885 |
|
---|
| 2886 | if (s)
|
---|
| 2887 | return s;
|
---|
| 2888 | }
|
---|
| 2889 |
|
---|
| 2890 | // strip country code suffix, e.g.
|
---|
| 2891 | // try en if undefined for en-US
|
---|
| 2892 | var lg = w3c_slidy.lang.split("-");
|
---|
| 2893 |
|
---|
| 2894 | if (lg.length > 1)
|
---|
| 2895 | {
|
---|
| 2896 | lookup = w3c_slidy.strings[lg[0]];
|
---|
| 2897 |
|
---|
| 2898 | if (lookup)
|
---|
| 2899 | {
|
---|
| 2900 | s = lookup[src];
|
---|
| 2901 |
|
---|
| 2902 | if (s)
|
---|
| 2903 | return s;
|
---|
| 2904 | }
|
---|
| 2905 | }
|
---|
| 2906 |
|
---|
| 2907 | // otherwise string as is
|
---|
| 2908 | return src;
|
---|
| 2909 | },
|
---|
| 2910 |
|
---|
| 2911 | init_localization: function () {
|
---|
| 2912 | var i18n = w3c_slidy;
|
---|
| 2913 | var help_text = w3c_slidy.help_text;
|
---|
| 2914 |
|
---|
| 2915 | // each such language array is declared in the localize array
|
---|
| 2916 | // this is used as in w3c_slidy.localize("foo");
|
---|
| 2917 | this.strings = {
|
---|
| 2918 | "es":this.strings_es,
|
---|
| 2919 | "ca":this.strings_ca,
|
---|
| 2920 | "cs":this.strings_cs,
|
---|
| 2921 | "nl":this.strings_nl,
|
---|
| 2922 | "de":this.strings_de,
|
---|
| 2923 | "pl":this.strings_pl,
|
---|
| 2924 | "fr":this.strings_fr,
|
---|
| 2925 | "hu":this.strings_hu,
|
---|
| 2926 | "it":this.strings_it,
|
---|
| 2927 | "el":this.strings_el,
|
---|
| 2928 | "jp":this.strings_ja,
|
---|
| 2929 | "zh":this.strings_zh,
|
---|
| 2930 | "ru":this.strings_ru,
|
---|
| 2931 | "sv":this.strings_sv
|
---|
| 2932 | },
|
---|
| 2933 |
|
---|
| 2934 | i18n.strings_es[help_text] = i18n.help_es;
|
---|
| 2935 | i18n.strings_ca[help_text] = i18n.help_ca;
|
---|
| 2936 | i18n.strings_cs[help_text] = i18n.help_cs;
|
---|
| 2937 | i18n.strings_nl[help_text] = i18n.help_nl;
|
---|
| 2938 | i18n.strings_de[help_text] = i18n.help_de;
|
---|
| 2939 | i18n.strings_pl[help_text] = i18n.help_pl;
|
---|
| 2940 | i18n.strings_fr[help_text] = i18n.help_fr;
|
---|
| 2941 | i18n.strings_hu[help_text] = i18n.help_hu;
|
---|
| 2942 | i18n.strings_it[help_text] = i18n.help_it;
|
---|
| 2943 | i18n.strings_el[help_text] = i18n.help_el;
|
---|
| 2944 | i18n.strings_ja[help_text] = i18n.help_ja;
|
---|
| 2945 | i18n.strings_zh[help_text] = i18n.help_zh;
|
---|
| 2946 | i18n.strings_ru[help_text] = i18n.help_ru;
|
---|
| 2947 | i18n.strings_sv[help_text] = i18n.help_sv;
|
---|
| 2948 |
|
---|
| 2949 | w3c_slidy.lang = document.body.parentNode.getAttribute("lang");
|
---|
| 2950 |
|
---|
| 2951 | if (!w3c_slidy.lang)
|
---|
| 2952 | w3c_slidy.lang = document.body.parentNode.getAttribute("xml:lang");
|
---|
| 2953 |
|
---|
| 2954 | if (!w3c_slidy.lang)
|
---|
| 2955 | w3c_slidy.lang = "en";
|
---|
| 2956 | }
|
---|
| 2957 | };
|
---|
| 2958 |
|
---|
| 2959 | // hack for back button behavior
|
---|
| 2960 | if (w3c_slidy.ie6 || w3c_slidy.ie7)
|
---|
| 2961 | {
|
---|
| 2962 | document.write("<iframe id='historyFrame' " +
|
---|
| 2963 | "src='javascript:\"<html"+"></"+"html>\"' " +
|
---|
| 2964 | "height='1' width='1' " +
|
---|
| 2965 | "style='position:absolute;left:-800px'></iframe>");
|
---|
| 2966 | }
|
---|
| 2967 |
|
---|
| 2968 | // attach event listeners for initialization
|
---|
| 2969 | w3c_slidy.set_up();
|
---|
| 2970 |
|
---|
| 2971 | // hide the slides as soon as body element is available
|
---|
| 2972 | // to reduce annoying screen mess before the onload event
|
---|
| 2973 | setTimeout(w3c_slidy.hide_slides, 50);
|
---|
| 2974 |
|
---|