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+/*jslint browser: true*/
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+/*jslint jquery: true*/
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+
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+/*
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+ * jQuery Hotkeys Plugin
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+ * Copyright 2010, John Resig
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+ * Dual licensed under the MIT or GPL Version 2 licenses.
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+ *
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+ * Based upon the plugin by Tzury Bar Yochay:
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+ * http://github.com/tzuryby/hotkeys
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+ *
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+ * Original idea by:
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+ * Binny V A, http://www.openjs.com/scripts/events/keyboard_shortcuts/
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+ */
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+
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+/*
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+ * One small change is: now keys are passed by object { keys: '...' }
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+ * Might be useful, when you want to pass some other data to your handler
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+ */
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+
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+(function(jQuery) {
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+
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+ jQuery.hotkeys = {
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+ version: "0.8",
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+
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+ specialKeys: {
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+ 8: "backspace",
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+ 9: "tab",
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+ 10: "return",
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+ 13: "return",
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+ 16: "shift",
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+ 17: "ctrl",
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+ 18: "alt",
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+ 19: "pause",
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+ 20: "capslock",
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+ 27: "esc",
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+ 32: "space",
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+ 33: "pageup",
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+ 34: "pagedown",
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+ 35: "end",
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+ 36: "home",
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+ 37: "left",
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+ 38: "up",
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+ 39: "right",
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+ 40: "down",
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+ 45: "insert",
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+ 46: "del",
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+ 59: ";",
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+ 61: "=",
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+ 96: "0",
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+ 97: "1",
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+ 98: "2",
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+ 99: "3",
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+ 100: "4",
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+ 101: "5",
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+ 102: "6",
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+ 103: "7",
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+ 104: "8",
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+ 105: "9",
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+ 106: "*",
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+ 107: "+",
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+ 109: "-",
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+ 110: ".",
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+ 111: "/",
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+ 112: "f1",
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+ 113: "f2",
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+ 114: "f3",
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+ 115: "f4",
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+ 116: "f5",
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+ 117: "f6",
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+ 118: "f7",
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+ 119: "f8",
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+ 120: "f9",
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+ 121: "f10",
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+ 122: "f11",
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+ 123: "f12",
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+ 144: "numlock",
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+ 145: "scroll",
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+ 173: "-",
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+ 186: ";",
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+ 187: "=",
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+ 188: ",",
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+ 189: "-",
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+ 190: ".",
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+ 191: "/",
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+ 192: "`",
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+ 219: "[",
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+ 220: "\\",
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+ 221: "]",
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+ 222: "'"
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+ },
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+
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+ shiftNums: {
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+ "`": "~",
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+ "1": "!",
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+ "2": "@",
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+ "3": "#",
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+ "4": "$",
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+ "5": "%",
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+ "6": "^",
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+ "7": "&",
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+ "8": "*",
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+ "9": "(",
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+ "0": ")",
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+ "-": "_",
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+ "=": "+",
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+ ";": ": ",
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+ "'": "\"",
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+ ",": "<",
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+ ".": ">",
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+ "/": "?",
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+ "\\": "|"
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+ },
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+
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+ // excludes: button, checkbox, file, hidden, image, password, radio, reset, search, submit, url
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+ textAcceptingInputTypes: [
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+ "text", "password", "number", "email", "url", "range", "date", "month", "week", "time", "datetime",
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+ "datetime-local", "search", "color", "tel"],
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+
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+ options: {
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+ filterTextInputs: true
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+ }
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+ };
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+
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+ function keyHandler(handleObj) {
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+ if (typeof handleObj.data === "string") {
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+ handleObj.data = {
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+ keys: handleObj.data
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+ };
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+ }
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+
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+ // Only care when a possible input has been specified
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+ if (!handleObj.data || !handleObj.data.keys || typeof handleObj.data.keys !== "string") {
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+ return;
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+ }
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+
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+ var origHandler = handleObj.handler,
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+ keys = handleObj.data.keys.toLowerCase().split(" ");
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+
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+ handleObj.handler = function(event) {
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+ // Don't fire in text-accepting inputs that we didn't directly bind to
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+ if (this !== event.target && (/textarea|select/i.test(event.target.nodeName) ||
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+ (jQuery.hotkeys.options.filterTextInputs &&
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+ jQuery.inArray(event.target.type, jQuery.hotkeys.textAcceptingInputTypes) > -1))) {
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+ return;
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+ }
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+
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+ var special = event.type !== "keypress" && jQuery.hotkeys.specialKeys[event.which],
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+ character = String.fromCharCode(event.which).toLowerCase(),
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+ modif = "",
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+ possible = {};
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+
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+ jQuery.each(["alt", "ctrl", "shift"], function(index, specialKey) {
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+
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+ if (event[specialKey + 'Key'] && special !== specialKey) {
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+ modif += specialKey + '+';
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+ }
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+ });
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+
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+ // metaKey is triggered off ctrlKey erronously
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+ if (event.metaKey && !event.ctrlKey && special !== "meta") {
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+ modif += "meta+";
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+ }
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+
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+ if (event.metaKey && special !== "meta" && modif.indexOf("alt+ctrl+shift+") > -1) {
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+ modif = modif.replace("alt+ctrl+shift+", "hyper+");
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+ }
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+
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+ if (special) {
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+ possible[modif + special] = true;
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+ }
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+ else {
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+ possible[modif + character] = true;
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+ possible[modif + jQuery.hotkeys.shiftNums[character]] = true;
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+
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+ // "$" can be triggered as "Shift+4" or "Shift+$" or just "$"
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+ if (modif === "shift+") {
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+ possible[jQuery.hotkeys.shiftNums[character]] = true;
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+ }
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+ }
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+
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+ for (var i = 0, l = keys.length; i < l; i++) {
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+ if (possible[keys[i]]) {
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+ return origHandler.apply(this, arguments);
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+ }
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+ }
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+ };
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+ }
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+
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+ jQuery.each(["keydown", "keyup", "keypress"], function() {
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+ jQuery.event.special[this] = {
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+ add: keyHandler
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+ };
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+ });
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+
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+})(jQuery || this.jQuery || window.jQuery);
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