define([
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"dojo/_base/declare", // declare
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"dojo/sniff", // has("ie")
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"./_FormWidget",
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"./_FormValueMixin"
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], function(declare, has, _FormWidget, _FormValueMixin){
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// module:
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// dijit/form/_FormValueWidget
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return declare("dijit.form._FormValueWidget", [_FormWidget, _FormValueMixin], {
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// summary:
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// Base class for widgets corresponding to native HTML elements such as `<input>` or `<select>`
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// that have user changeable values.
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// description:
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// Each _FormValueWidget represents a single input value, and has a (possibly hidden) `<input>` element,
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// to which it serializes it's input value, so that form submission (either normal submission or via FormBind?)
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// works as expected.
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// Don't attempt to mixin the 'type', 'name' attributes here programatically -- they must be declared
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// directly in the template as read by the parser in order to function. IE is known to specifically
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// require the 'name' attribute at element creation time. See #8484, #8660.
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_layoutHackIE7: function(){
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// summary:
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// Work around table sizing bugs on IE7 by forcing redraw
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if(has("ie") == 7){ // fix IE7 layout bug when the widget is scrolled out of sight
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var domNode = this.domNode;
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var parent = domNode.parentNode;
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var pingNode = domNode.firstChild || domNode; // target node most unlikely to have a custom filter
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var origFilter = pingNode.style.filter; // save custom filter, most likely nothing
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var _this = this;
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while(parent && parent.clientHeight == 0){ // search for parents that haven't rendered yet
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(function ping(){
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var disconnectHandle = _this.connect(parent, "onscroll",
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function(){
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_this.disconnect(disconnectHandle); // only call once
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pingNode.style.filter = (new Date()).getMilliseconds(); // set to anything that's unique
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_this.defer(function(){
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pingNode.style.filter = origFilter;
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}); // restore custom filter, if any
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}
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);
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})();
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parent = parent.parentNode;
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}
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}
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}
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});
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});
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