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jquery.hotkeys.min.js
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/*jslint browser: true*/
/*jslint jquery: true*/
/*
* jQuery Hotkeys Plugin
* Copyright 2010, John Resig
* Dual licensed under the MIT or GPL Version 2 licenses.
*
* Based upon the plugin by Tzury Bar Yochay:
* https://github.com/tzuryby/jquery.hotkeys
*
* Original idea by:
* Binny V A, http://www.openjs.com/scripts/events/keyboard_shortcuts/
*/
/*
* One small change is: now keys are passed by object { keys: '...' }
* Might be useful, when you want to pass some other data to your handler
*/
(function(jQuery) {
jQuery.hotkeys = {
version: "0.2.0",
specialKeys: {
8: "backspace",
9: "tab",
10: "return",
13: "return",
16: "shift",
17: "ctrl",
18: "alt",
19: "pause",
20: "capslock",
27: "esc",
32: "space",
33: "pageup",
34: "pagedown",
35: "end",
36: "home",
37: "left",
38: "up",
39: "right",
40: "down",
45: "insert",
46: "del",
59: ";",
61: "=",
96: "0",
97: "1",
98: "2",
99: "3",
100: "4",
101: "5",
102: "6",
103: "7",
104: "8",
105: "9",
106: "*",
107: "+",
109: "-",
110: ".",
111: "/",
112: "f1",
113: "f2",
114: "f3",
115: "f4",
116: "f5",
117: "f6",
118: "f7",
119: "f8",
120: "f9",
121: "f10",
122: "f11",
123: "f12",
144: "numlock",
145: "scroll",
173: "-",
186: ";",
187: "=",
188: ",",
189: "-",
190: ".",
191: "/",
192: "`",
219: "[",
220: "\\",
221: "]",
222: "'"
},
shiftNums: {
"`": "~",
"1": "!",
"2": "@",
"3": "#",
"4": "$",
"5": "%",
"6": "^",
"7": "&",
"8": "*",
"9": "(",
"0": ")",
"-": "_",
"=": "+",
";": ": ",
"'": "\"",
",": "<",
".": ">",
"/": "?",
"\\": "|"
},
// excludes: button, checkbox, file, hidden, image, password, radio, reset, search, submit, url
textAcceptingInputTypes: [
"text", "password", "number", "email", "url", "range", "date", "month", "week", "time", "datetime",
"datetime-local", "search", "color", "tel"],
// default input types not to bind to unless bound directly
textInputTypes: /textarea|input|select/i,
options: {
filterInputAcceptingElements: true,
filterTextInputs: true,
filterContentEditable: true
}
};
function keyHandler(handleObj) {
if (typeof handleObj.data === "string") {
handleObj.data = {
keys: handleObj.data
};
}
// Only care when a possible input has been specified
if (!handleObj.data || !handleObj.data.keys || typeof handleObj.data.keys !== "string") {
return;
}
var origHandler = handleObj.handler,
keys = handleObj.data.keys.toLowerCase().split(" ");
handleObj.handler = function(event) {
// Don't fire in text-accepting inputs that we didn't directly bind to
if (this !== event.target &&
(jQuery.hotkeys.options.filterInputAcceptingElements &&
jQuery.hotkeys.textInputTypes.test(event.target.nodeName) ||
(jQuery.hotkeys.options.filterContentEditable && jQuery(event.target).attr('contenteditable')) ||
(jQuery.hotkeys.options.filterTextInputs &&
jQuery.inArray(event.target.type, jQuery.hotkeys.textAcceptingInputTypes) > -1))) {
return;
}
var special = event.type !== "keypress" && jQuery.hotkeys.specialKeys[event.which],
character = String.fromCharCode(event.which).toLowerCase(),
modif = "",
possible = {};
jQuery.each(["alt", "ctrl", "shift"], function(index, specialKey) {
if (event[specialKey + 'Key'] && special !== specialKey) {
modif += specialKey + '+';
}
});
// metaKey is triggered off ctrlKey erronously
if (event.metaKey && !event.ctrlKey && special !== "meta") {
modif += "meta+";
}
if (event.metaKey && special !== "meta" && modif.indexOf("alt+ctrl+shift+") > -1) {
modif = modif.replace("alt+ctrl+shift+", "hyper+");
}
if (special) {
possible[modif + special] = true;
}
else {
possible[modif + character] = true;
possible[modif + jQuery.hotkeys.shiftNums[character]] = true;
// "$" can be triggered as "Shift+4" or "Shift+$" or just "$"
if (modif === "shift+") {
possible[jQuery.hotkeys.shiftNums[character]] = true;
}
}
for (var i = 0, l = keys.length; i < l; i++) {
if (possible[keys[i]]) {
return origHandler.apply(this, arguments);
}
}
};
}
jQuery.each(["keydown", "keyup", "keypress"], function() {
jQuery.event.special[this] = {
add: keyHandler
};
});
})(jQuery || this.jQuery || window.jQuery);
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