1 /* |
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2 * jQuery delegate plug-in v1.0 |
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3 * |
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4 * Copyright (c) 2007 Jörn Zaefferer |
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5 * |
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6 * $Id: jquery.delegate.js 4786 2008-02-19 20:02:34Z joern.zaefferer $ |
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7 * |
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8 * Dual licensed under the MIT and GPL licenses: |
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9 * http://www.opensource.org/licenses/mit-license.php |
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10 * http://www.gnu.org/licenses/gpl.html |
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11 */ |
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12 |
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13 // provides cross-browser focusin and focusout events |
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14 // IE has native support, in other browsers, use event caputuring (neither bubbles) |
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15 |
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16 // provides delegate(type: String, delegate: Selector, handler: Callback) plugin for easier event delegation |
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17 // handler is only called when $(event.target).is(delegate), in the scope of the jQuery-object for event.target |
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18 |
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19 // provides triggerEvent(type: String, target: Element) to trigger delegated events |
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20 ;(function($) { |
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21 $.each({ |
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22 focus: 'focusin', |
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23 blur: 'focusout' |
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24 }, function( original, fix ){ |
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25 $.event.special[fix] = { |
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26 setup:function() { |
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27 if ( $.browser.msie ) return false; |
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28 this.addEventListener( original, $.event.special[fix].handler, true ); |
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29 }, |
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30 teardown:function() { |
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31 if ( $.browser.msie ) return false; |
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32 this.removeEventListener( original, |
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33 $.event.special[fix].handler, true ); |
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34 }, |
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35 handler: function(e) { |
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36 arguments[0] = $.event.fix(e); |
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37 arguments[0].type = fix; |
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38 return $.event.handle.apply(this, arguments); |
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39 } |
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40 }; |
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41 }); |
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42 |
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43 $.extend($.fn, { |
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44 delegate: function(type, delegate, handler) { |
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45 return this.bind(type, function(event) { |
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46 var target = $(event.target); |
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47 if (target.is(delegate)) { |
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48 return handler.apply(target, arguments); |
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49 } |
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50 }); |
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51 }, |
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52 triggerEvent: function(type, target) { |
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53 return this.triggerHandler(type, [jQuery.event.fix({ type: type, target: target })]); |
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54 } |
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55 }) |
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56 })(jQuery); |
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