all files / src/src/mixins/ ItemWidget.js

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/**
 * Mixin for widgets used as items in widgets that mix in OO.ui.mixin.GroupWidget.
 *
 * Item widgets have a reference to a OO.ui.mixin.GroupWidget while they are attached to the group.
 * This allows bidirectional communication.
 *
 * Use together with OO.ui.mixin.GroupWidget to make disabled state inheritable.
 *
 * @private
 * @abstract
 * @class
 *
 * @constructor
 */
OO.ui.mixin.ItemWidget = function OoUiMixinItemWidget() {
	//
};
 
/* Methods */
 
/**
 * Check if widget is disabled.
 *
 * Checks parent if present, making disabled state inheritable.
 *
 * @return {boolean} Widget is disabled
 */
OO.ui.mixin.ItemWidget.prototype.isDisabled = function () {
	return this.disabled ||
		( this.elementGroup instanceof OO.ui.Widget && this.elementGroup.isDisabled() );
};
 
/**
 * Set group element is in.
 *
 * @param {OO.ui.mixin.GroupElement|null} group Group element, null if none
 * @chainable
 * @return {OO.ui.Widget} The widget, for chaining
 */
OO.ui.mixin.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;
};