71 рядки
2,1 КіБ
JavaScript
71 рядки
2,1 КіБ
JavaScript
define("dijit/form/_RadioButtonMixin", [
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"dojo/_base/array", // array.forEach
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"dojo/_base/declare", // declare
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"dojo/dom-attr", // domAttr.set
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"dojo/_base/event", // event.stop
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"dojo/_base/lang", // lang.hitch
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"dojo/query", // query
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"../registry" // registry.getEnclosingWidget
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], function(array, declare, domAttr, event, lang, query, registry){
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// module:
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// dijit/form/_RadioButtonMixin
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return declare("dijit.form._RadioButtonMixin", null, {
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// summary:
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// Mixin to provide widget functionality for an HTML radio button
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// type: [private] String
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// type attribute on `<input>` node.
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// Users should not change this value.
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type: "radio",
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_getRelatedWidgets: function(){
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// Private function needed to help iterate over all radio buttons in a group.
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var ary = [];
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query("input[type=radio]", this.focusNode.form || this.ownerDocument).forEach( // can't use name= since query doesn't support [] in the name
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lang.hitch(this, function(inputNode){
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if(inputNode.name == this.name && inputNode.form == this.focusNode.form){
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var widget = registry.getEnclosingWidget(inputNode);
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if(widget){
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ary.push(widget);
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}
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}
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})
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);
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return ary;
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},
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_setCheckedAttr: function(/*Boolean*/ value){
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// If I am being checked then have to deselect currently checked radio button
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this.inherited(arguments);
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if(!this._created){ return; }
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if(value){
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array.forEach(this._getRelatedWidgets(), lang.hitch(this, function(widget){
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if(widget != this && widget.checked){
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widget.set('checked', false);
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}
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}));
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}
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},
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_getSubmitValue: function(/*String*/ value){
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return value === null ? "on" : value;
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},
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_onClick: function(/*Event*/ e){
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if(this.checked || this.disabled){ // nothing to do
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event.stop(e);
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return false;
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}
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if(this.readOnly){ // ignored by some browsers so we have to resync the DOM elements with widget values
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event.stop(e);
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array.forEach(this._getRelatedWidgets(), lang.hitch(this, function(widget){
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domAttr.set(this.focusNode || this.domNode, 'checked', widget.checked);
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}));
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return false;
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}
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return this.inherited(arguments);
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}
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});
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});
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