mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-09-27 12:16:51 +00:00
52529d790b
By making the API for adding/removing/clearing always plural, it greatly simplifies the interfaces and reduces function call overhead in most situations. Change-Id: Ia8f23a373a01a8f6d5081587a591563e4f25ea42
101 lines
1.9 KiB
JavaScript
101 lines
1.9 KiB
JavaScript
/*!
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* VisualEditor UserInterface GroupElement class.
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*
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* @copyright 2011-2013 VisualEditor Team and others; see AUTHORS.txt
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* @license The MIT License (MIT); see LICENSE.txt
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*/
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/**
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* Group element.
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*
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* @class
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* @abstract
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*
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* @constructor
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* @param {jQuery} $group Group element
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*/
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ve.ui.GroupElement = function VeUiGroupElement( $group ) {
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// Properties
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this.$group = $group;
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this.items = [];
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this.$items = this.$$( [] );
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};
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/* Methods */
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/**
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* Get items.
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*
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* @method
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* @returns {ve.ui.Element[]} Items
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*/
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ve.ui.GroupElement.prototype.getItems = function () {
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return this.items.slice( 0 );
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};
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/**
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* Add items.
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*
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* @method
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* @param {ve.ui.Element[]} items Item
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* @chainable
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*/
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ve.ui.GroupElement.prototype.addItems = function ( items ) {
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var i, len, item;
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for ( i = 0, len = items.length; i < len; i++ ) {
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item = items[i];
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// Check if item exists then remove it first, effectively "moving" it
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if ( this.items.indexOf( item ) !== -1 ) {
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this.removeItems( [item] );
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}
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// Add the item
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this.items.push( item );
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this.$.append( item.$ );
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this.$items = this.$items.add( item.$ );
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}
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return this;
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};
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/**
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* Remove items.
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*
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* Items will be detached, not removed, so they can be used later.
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*
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* @method
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* @param {ve.ui.Element[]} items Items to remove
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* @chainable
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*/
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ve.ui.GroupElement.prototype.removeItems = function ( items ) {
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var i, len, item, index;
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// Remove specific items
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for ( i = 0, len = items.length; i < len; i++ ) {
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item = items[i];
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index = this.items.indexOf( item );
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if ( index !== -1 ) {
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this.items.splice( index, 1 );
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item.$.detach();
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this.$items = this.$items.not( item.$ );
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}
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}
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return this;
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};
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/**
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* Clear all items.
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*
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* Items will be detached, not removed, so they can be used later.
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*
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* @method
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* @chainable
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*/
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ve.ui.GroupElement.prototype.clearItems = function () {
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this.items = [];
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this.$items.detach();
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return this;
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};
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