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97 lines
3.9 KiB
HTML
97 lines
3.9 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<title>Datepicker Visual Test : Datepicker ticket #4071</title>
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<link rel="stylesheet" href="../visual.css" type="text/css" />
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<link rel="stylesheet" href="../../../themes/base/jquery.ui.all.css" type="text/css">
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<script type="text/javascript" src="../../../jquery-1.4.3.js"></script>
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<script type="text/javascript" src="../../../ui/jquery.ui.core.js"></script>
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<script type="text/javascript" src="../../../ui/jquery.ui.widget.js"></script>
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<script type="text/javascript" src="../../../ui/jquery.ui.datepicker.js"></script>
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<script type="text/javascript">
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function ValidatorHookupEvent(control, eventType, functionPrefix) {
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var ev;
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eval("ev = control." + eventType + ";");
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if (typeof(ev) == "function") {
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ev = ev.toString();
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ev = ev.substring(ev.indexOf("{") + 1, ev.lastIndexOf("}"));
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}
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else {
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ev = "";
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}
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var func;
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if (navigator.appName.toLowerCase().indexOf('explorer') > -1) {
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func = new Function(functionPrefix + " " + ev);
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}
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else {
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func = new Function("event", functionPrefix + " " + ev);
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}
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eval("control." + eventType + " = func;");
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}
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function HandleChange(event, boundBy) {
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var boundBy = boundBy ? boundBy : '$(control).change(function(event){...})';
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var type = event.type,
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srcOrTarget = event.srcElement ? 'srcElement' : 'target',
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tagName = event[srcOrTarget].tagName;
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alert('[' + boundBy + ']\nevent.type: ' + type + '\nevent.' + srcOrTarget + '.tagName: ' + tagName);
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}
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$(function() {
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var control = $('#myInput')[0], eventType="onchange";
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$(control).datepicker();
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$(control).change(HandleChange);
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$('#changeButton').click(function() {
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$(control).change();
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});
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$('#triggerButton').click(function() {
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$(control).trigger('change');
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});
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$('#triggerHandlerButton').click(function() {
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$(control).triggerHandler('change');
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});
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$('#fireEventButton').click(function() {
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control.fireEvent('onchange');
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});
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if (!control.fireEvent) { $('#fireEventButton').remove(); }
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ValidatorHookupEvent(control, eventType, "HandleChange(event, 'eval(control.onchange = func)')");
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});
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</script>
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<style type="text/css">
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button { display: block; }
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</style>
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</head>
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<body>
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<h1 class="ui-widget-header"><a href="http://dev.jqueryui.com/ticket/4071">#4071 - 'length' is null or not an object</a></h1>
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<h2>Summary</h2>
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In Internet Explorer, when a event such as click on one element causes a change event on another element to trigger programmatically, any change event handler that was bound to that second element through onchange gets the click event instead of the change event.
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<h2>Steps to reproduce</h2>
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<p>
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To demonstrate the issue, do one of the following:
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</p>
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<ul>
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<li>Click the input to open the Datepicker, then select a date</li>
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<li>Or press a number in the text field and blur</li>
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<li>Or click a button below</li>
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</ul>
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<p>
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Each will trigger change on the text input. The input has a handler bound in three different ways. Notice the difference when pressing a number in the input and bluring versus either selecting a date or pressing one of the first three buttons. In Internet Explorer, when the issue is present, 2 out of the three event objects are of type 'click' instead of 'change' and have the wrong corresponding srcElement/target when the datepicker or one of the first three buttons are clicked.
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</p>
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<input type="text" id="myInput" onchange="HandleChange(event, '<input onchange=\'...\' />')" />
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<button id="changeButton">Click to trigger change event via $(control).change();</button>
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<button id="triggerButton">Click to trigger change event via $(control).trigger('change');</button>
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<button id="triggerHandlerButton">Click to trigger change event via $(control).triggerHandler('change');</button>
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<button id="fireEventButton">Click to fire change event via control.fireEvent('onchange');</button>
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</body>
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</html>
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