tt-rss/lib/dijit/form/_ToggleButtonMixin.js.uncompressed.js
2012-08-14 18:59:18 +04:00

51 lines
1.8 KiB
JavaScript

define("dijit/form/_ToggleButtonMixin", [
"dojo/_base/declare", // declare
"dojo/dom-attr" // domAttr.set
], function(declare, domAttr){
// module:
// dijit/form/_ToggleButtonMixin
// summary:
// A mixin to provide functionality to allow a button that can be in two states (checked or not).
return declare("dijit.form._ToggleButtonMixin", null, {
// summary:
// A mixin to provide functionality to allow a button that can be in two states (checked or not).
// checked: Boolean
// Corresponds to the native HTML <input> element's attribute.
// In markup, specified as "checked='checked'" or just "checked".
// True if the button is depressed, or the checkbox is checked,
// or the radio button is selected, etc.
checked: false,
// aria-pressed for toggle buttons, and aria-checked for checkboxes
_aria_attr: "aria-pressed",
_onClick: function(/*Event*/ evt){
var original = this.checked;
this._set('checked', !original); // partially set the toggled value, assuming the toggle will work, so it can be overridden in the onclick handler
var ret = this.inherited(arguments); // the user could reset the value here
this.set('checked', ret ? this.checked : original); // officially set the toggled or user value, or reset it back
return ret;
},
_setCheckedAttr: function(/*Boolean*/ value, /*Boolean?*/ priorityChange){
this._set("checked", value);
domAttr.set(this.focusNode || this.domNode, "checked", value);
(this.focusNode || this.domNode).setAttribute(this._aria_attr, value ? "true" : "false"); // aria values should be strings
this._handleOnChange(value, priorityChange);
},
reset: function(){
// summary:
// Reset the widget's value to what it was at initialization time
this._hasBeenBlurred = false;
// set checked state to original setting
this.set('checked', this.params.checked || false);
}
});
});