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/**
* Mixin for widgets used as items in widgets that inherit OO.ui.GroupWidget.
*
* Item widgets have a reference to a OO.ui.GroupWidget while they are attached to the group. This
* allows bidirectional communication.
*
* Use together with OO.ui.GroupWidget to make disabled state inheritable.
*
* @private
* @abstract
* @class
*
* @constructor
*/
OO.ui.ItemWidget = function OoUiItemWidget() {
//
};
/* Methods */
/**
* Check if widget is disabled.
*
* Checks parent if present, making disabled state inheritable.
*
* @return {boolean} Widget is disabled
*/
OO.ui.ItemWidget.prototype.isDisabled = function () {
return this.disabled ||
( this.elementGroup instanceof OO.ui.Widget && this.elementGroup.isDisabled() );
};
/**
* Set group element is in.
*
* @param {OO.ui.GroupElement|null} group Group element, null if none
* @chainable
*/
OO.ui.ItemWidget.prototype.setElementGroup = function ( group ) {
// Parent method
// Note: Calling #setElementGroup this way assumes this is mixed into an OO.ui.Element
OO.ui.Element.prototype.setElementGroup.call( this, group );
// Initialize item disabled states
this.updateDisabled();
return this;
};
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