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/**
* Shortcuts.js
*
* Copyright, Moxiecode Systems AB
* Released under LGPL License.
*
* License: http://www.tinymce.com/license
* Contributing: http://www.tinymce.com/contributing
*/
/**
* Contains all logic for handling of keyboard shortcuts.
*/
define("tinymce/Shortcuts", [
"tinymce/util/Tools",
"tinymce/Env"
], function(Tools, Env) {
var each = Tools.each, explode = Tools.explode;
var keyCodeLookup = {
"f9": 120,
"f10": 121,
"f11": 122
};
return function(editor) {
var self = this, shortcuts = {};
editor.on('keyup keypress keydown', function(e) {
if ((e.altKey || e.ctrlKey || e.metaKey) && !e.isDefaultPrevented()) {
each(shortcuts, function(shortcut) {
var ctrlKey = Env.mac ? e.metaKey : e.ctrlKey;
if (shortcut.ctrl != ctrlKey || shortcut.alt != e.altKey || shortcut.shift != e.shiftKey) {
return;
}
if (e.keyCode == shortcut.keyCode || (e.charCode && e.charCode == shortcut.charCode)) {
e.preventDefault();
if (e.type == "keydown") {
shortcut.func.call(shortcut.scope);
}
return true;
}
});
}
});
/**
* Adds a keyboard shortcut for some command or function.
*
* @method addShortcut
* @param {String} pattern Shortcut pattern. Like for example: ctrl+alt+o.
* @param {String} desc Text description for the command.
* @param {String/Function} cmdFunc Command name string or function to execute when the key is pressed.
* @param {Object} sc Optional scope to execute the function in.
* @return {Boolean} true/false state if the shortcut was added or not.
*/
self.add = function(pattern, desc, cmdFunc, scope) {
var cmd;
cmd = cmdFunc;
if (typeof(cmdFunc) === 'string') {
cmdFunc = function() {
editor.execCommand(cmd, false, null);
};
} else if (Tools.isArray(cmd)) {
cmdFunc = function() {
editor.execCommand(cmd[0], cmd[1], cmd[2]);
};
}
each(explode(pattern.toLowerCase()), function(pattern) {
var shortcut = {
func: cmdFunc,
scope: scope || editor,
desc: editor.translate(desc),
alt: false,
ctrl: false,
shift: false
};
each(explode(pattern, '+'), function(value) {
switch (value) {
case 'alt':
case 'ctrl':
case 'shift':
shortcut[value] = true;
break;
default:
// Allow numeric keycodes like ctrl+219 for ctrl+[
if (/^[0-9]{2,}$/.test(value)) {
shortcut.keyCode = parseInt(value, 10);
} else {
shortcut.charCode = value.charCodeAt(0);
shortcut.keyCode = keyCodeLookup[value] || value.toUpperCase().charCodeAt(0);
}
}
});
shortcuts[
(shortcut.ctrl ? 'ctrl' : '') + ',' +
(shortcut.alt ? 'alt' : '') + ',' +
(shortcut.shift ? 'shift' : '') + ',' +
shortcut.keyCode
] = shortcut;
});
return true;
};
};
});