mirror of
https://github.com/Lastorder-DC/rhymix.git
synced 2026-01-14 16:59:55 +09:00
7c3b336e41
git-svn-id: http://xe-core.googlecode.com/svn/sandbox@4968 201d5d3c-b55e-5fd7-737f-ddc643e51545
139 lines
3.5 KiB
JavaScript
139 lines
3.5 KiB
JavaScript
/**
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* @requires Xquared.js
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*/
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xq.Shortcut = xq.Class(/** @lends xq.Shortcut.prototype */{
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/**
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* Interpretes keyboard event.
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*
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* @constructs
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*/
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initialize: function(keymapOrExpression) {
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xq.addToFinalizeQueue(this);
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this.keymap = keymapOrExpression;
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},
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matches: function(e) {
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if(typeof this.keymap === "string") this.keymap = xq.Shortcut.interprete(this.keymap).keymap;
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// check for key code
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var which = xq.Browser.isGecko && xq.Browser.isMac ? (e.keyCode + "_" + e.charCode) : e.keyCode;
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var keyMatches =
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(this.keymap.which === which) ||
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(this.keymap.which === 32 && which === 25); // 25 is SPACE in Type-3 keyboard.
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if(!keyMatches) return false;
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// check for modifier
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if(typeof e.metaKey === "undefined") e.metaKey = false;
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var modifierMatches =
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(this.keymap.shiftKey === e.shiftKey || typeof this.keymap.shiftKey === "undefined") &&
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(this.keymap.altKey === e.altKey || typeof this.keymap.altKey === "undefined") &&
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(this.keymap.ctrlKey === e.ctrlKey || typeof this.keymap.ctrlKey === "undefined") &&
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// Webkit turns on meta key flag when alt key is pressed
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(xq.Browser.isWin && xq.Browser.isWebkit || this.keymap.metaKey === e.metaKey || typeof this.keymap.metaKey === "undefined")
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return modifierMatches;
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}
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});
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xq.Shortcut.interprete = function(expression) {
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expression = expression.toUpperCase();
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var which = xq.Shortcut._interpreteWhich(expression.split("+").pop());
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var ctrlKey = xq.Shortcut._interpreteModifier(expression, "CTRL");
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var altKey = xq.Shortcut._interpreteModifier(expression, "ALT");
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var shiftKey = xq.Shortcut._interpreteModifier(expression, "SHIFT");
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var metaKey = xq.Shortcut._interpreteModifier(expression, "META");
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var keymap = {};
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keymap.which = which;
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if(typeof ctrlKey !== "undefined") keymap.ctrlKey = ctrlKey;
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if(typeof altKey !== "undefined") keymap.altKey = altKey;
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if(typeof shiftKey !== "undefined") keymap.shiftKey = shiftKey;
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if(typeof metaKey !== "undefined") keymap.metaKey = metaKey;
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return new xq.Shortcut(keymap);
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}
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xq.Shortcut._interpreteModifier = function(expression, modifierName) {
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return expression.match("\\(" + modifierName + "\\)") ?
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undefined :
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expression.match(modifierName) ?
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true : false;
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}
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xq.Shortcut._interpreteWhich = function(keyName) {
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var which = keyName.length === 1 ?
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((xq.Browser.isMac && xq.Browser.isGecko) ? "0_" + keyName.toLowerCase().charCodeAt(0) : keyName.charCodeAt(0)) :
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xq.Shortcut._keyNames[keyName];
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if(typeof which === "undefined") throw "Unknown special key name: [" + keyName + "]"
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return which;
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}
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xq.Shortcut._keyNames =
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xq.Browser.isMac && xq.Browser.isGecko ?
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{
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BACKSPACE: "8_0",
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TAB: "9_0",
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RETURN: "13_0",
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ENTER: "13_0",
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ESC: "27_0",
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SPACE: "0_32",
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LEFT: "37_0",
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UP: "38_0",
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RIGHT: "39_0",
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DOWN: "40_0",
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DELETE: "46_0",
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HOME: "36_0",
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END: "35_0",
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PAGEUP: "33_0",
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PAGEDOWN: "34_0",
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COMMA: "0_44",
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HYPHEN: "0_45",
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EQUAL: "0_61",
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PERIOD: "0_46",
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SLASH: "0_47",
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F1: "112_0",
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F2: "113_0",
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F3: "114_0",
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F4: "115_0",
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F5: "116_0",
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F6: "117_0",
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F7: "118_0",
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F8: "119_0"
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}
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:
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{
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BACKSPACE: 8,
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TAB: 9,
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RETURN: 13,
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ENTER: 13,
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ESC: 27,
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SPACE: 32,
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LEFT: 37,
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UP: 38,
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RIGHT: 39,
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DOWN: 40,
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DELETE: 46,
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HOME: 36,
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END: 35,
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PAGEUP: 33,
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PAGEDOWN: 34,
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COMMA: 188,
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HYPHEN: xq.Browser.isTrident ? 189 : 109,
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EQUAL: xq.Browser.isTrident ? 187 : 61,
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PERIOD: 190,
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SLASH: 191,
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F1:112,
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F2:113,
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F3:114,
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F4:115,
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F5:116,
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F6:117,
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F7:118,
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F8:119,
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F9:120,
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F10:121,
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F11:122,
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F12:123
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}
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