Edit File by line

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* @ Original idea by by Binny V A, Original version: 2.00.A

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* @ http://www.openjs.com/scripts/events/keyboard_shortcuts/

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* @ Original License : BSD

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* @ jQuery Plugin by Tzury Bar Yochay

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mail: tzury.by@gmail.com

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blog: evalinux.wordpress.com

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face: facebook.com/profile.php?id=513676303

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* @ jQuery Plugin version Beta (0.0.2)

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* @ License: jQuery-License.

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TODO:

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add queue support (as in gmail) e.g. 'x' then 'y', etc.

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add mouse + mouse wheel events.

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USAGE:

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$.hotkeys.add('Ctrl+c', function(){ alert('copy anyone?');});

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$.hotkeys.add('Ctrl+c', {target:'div#editor', type:'keyup', propagate: true},function(){ alert('copy anyone?');});>

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$.hotkeys.remove('Ctrl+c');

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$.hotkeys.remove('Ctrl+c', {target:'div#editor', type:'keypress'});

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******************************************************************************************************************************/

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(function (jQuery){

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this.version = '(beta)(0.0.3)';

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this.all = {};

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this.special_keys = {

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27: 'esc', 9: 'tab', 32:'space', 13: 'return', 8:'backspace', 145: 'scroll', 20: 'capslock',

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144: 'numlock', 19:'pause', 45:'insert', 36:'home', 46:'del',35:'end', 33: 'pageup',

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34:'pagedown', 37:'left', 38:'up', 39:'right',40:'down', 112:'f1',113:'f2', 114:'f3',

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115:'f4', 116:'f5', 117:'f6', 118:'f7', 119:'f8', 120:'f9', 121:'f10', 122:'f11', 123:'f12'};

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this.shift_nums = { "`":"~", "1":"!", "2":"@", "3":"#", "4":"$", "5":"%", "6":"^", "7":"&",

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"8":"*", "9":"(", "0":")", "-":"_", "=":"+", ";":":", "'":"\"", ",":"<",

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".":">", "/":"?", "\\":"|" };

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this.add = function(combi, options, callback) {

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if ( typeof options === 'function' ){

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callback = options;

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options = {};

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}

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var opt = {},

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defaults = {type: 'keydown', propagate: false, disableInInput: false, target: jQuery('html')[0]},

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that = this;

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opt = jQuery.extend( opt , defaults, options || {} );

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combi = combi.toLowerCase();

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// inspect if keystroke matches

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var inspector = function(event) {

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// WP: not needed with newer jQuery

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// event = jQuery.event.fix(event); // jQuery event normalization.

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var element = event.target;

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// @ TextNode -> nodeType == 3

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// WP: not needed with newer jQuery

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// element = (element.nodeType==3) ? element.parentNode : element;

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if ( opt['disableInInput'] ) { // Disable shortcut keys in Input, Textarea fields

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var target = jQuery(element);

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if ( ( target.is('input') || target.is('textarea') ) &&

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( ! opt.noDisable || ! target.is( opt.noDisable ) ) ) {

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return;

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}

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}

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var code = event.which,

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type = event.type,

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character = String.fromCharCode(code).toLowerCase(),

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special = that.special_keys[code],

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shift = event.shiftKey,

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ctrl = event.ctrlKey,

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alt= event.altKey,

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meta = event.metaKey,

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propagate = true, // default behaivour

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mapPoint = null;

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// in opera + safari, the event.target is unpredictable.

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// for example: 'keydown' might be associated with HtmlBodyElement

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// or the element where you last clicked with your mouse.

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// WP: needed for all browsers

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// if (jQuery.browser.opera || jQuery.browser.safari){

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while (!that.all[element] && element.parentNode){

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element = element.parentNode;

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}

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// }

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var cbMap = that.all[element].events[type].callbackMap;

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if(!shift && !ctrl && !alt && !meta) { // No Modifiers

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mapPoint = cbMap[special] || cbMap[character]

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}

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// deals with combinaitons (alt|ctrl|shift+anything)

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else{

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var modif = '';

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if(alt) modif +='alt+';

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if(ctrl) modif+= 'ctrl+';

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if(shift) modif += 'shift+';

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if(meta) modif += 'meta+';

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// modifiers + special keys or modifiers + characters or modifiers + shift characters

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mapPoint = cbMap[modif+special] || cbMap[modif+character] || cbMap[modif+that.shift_nums[character]]

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}

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if (mapPoint){

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mapPoint.cb(event);

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if(!mapPoint.propagate) {

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event.stopPropagation();

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event.preventDefault();

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return false;

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}

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}

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};

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// first hook for this element

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if (!this.all[opt.target]){

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this.all[opt.target] = {events:{}};

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}

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if (!this.all[opt.target].events[opt.type]){

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this.all[opt.target].events[opt.type] = {callbackMap: {}}

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jQuery.event.add(opt.target, opt.type, inspector);

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}

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this.all[opt.target].events[opt.type].callbackMap[combi] = {cb: callback, propagate:opt.propagate};

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return jQuery;

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};

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this.remove = function(exp, opt) {

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opt = opt || {};

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target = opt.target || jQuery('html')[0];

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type = opt.type || 'keydown';

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exp = exp.toLowerCase();

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delete this.all[target].events[type].callbackMap[exp]

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return jQuery;

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};

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jQuery.hotkeys = this;

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return jQuery;

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})(jQuery);

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