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[1146] | 1 |
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| 2 | // attach a handler to a particular event on an element
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| 3 | // in a browser-independent way
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| 4 | function registerEventHandler (element, event, handler) {
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| 5 | if (element.attachEvent) {
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| 6 | // MS registration model
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| 7 | element.attachEvent('on' + event, handler);
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| 8 | } else if (element.addEventListener) {
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| 9 | // NN (W4C) regisration model
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| 10 | element.addEventListener(event, handler, false);
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| 11 | } else {
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| 12 | // old regisration model as fall-back
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| 13 | element[event] = handler;
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| 14 | }
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| 15 | }
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| 16 |
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| 17 | // get a delegate that refers to an instance method
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| 18 | function getInstanceDelegate (obj, methodName) {
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| 19 | return( function(e) {
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| 20 | e = e || window.event;
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| 21 | return obj[methodName](e);
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| 22 | } );
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| 23 | }
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