mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-11-30 00:55:00 +00:00
7db65f386c
Instead of using @emits in both, use our custom @fires in production (JSDuck 4), and in the future it'll just naturally use the native one. This way we can also index oojs without issues, which seems to have started using @fires already. Change-Id: I7c3b56dd112626d57fa87ab995d205fb782a0149
147 lines
3.3 KiB
JavaScript
147 lines
3.3 KiB
JavaScript
/*!
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* VisualEditor DataModel BranchNode 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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* DataModel branch node.
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*
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* Branch nodes can have branch or leaf nodes as children.
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*
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* @abstract
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* @extends ve.dm.Node
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* @mixins ve.BranchNode
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* @constructor
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* @param {ve.dm.Node[]} [children] Child nodes to attach
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* @param {Object} [element] Reference to element in linear model
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*/
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ve.dm.BranchNode = function VeDmBranchNode( children, element ) {
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// Mixin constructor
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ve.BranchNode.call( this );
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// Parent constructor
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ve.dm.Node.call( this, 0, element );
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if ( ve.isArray( children ) && children.length ) {
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this.splice.apply( this, [0, 0].concat( children ) );
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}
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};
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/**
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* @event splice
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* @see #method-splice
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* @param {number} index
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* @param {number} howmany
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* @param {ve.dm.BranchNode} [childModel]
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*/
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/**
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* @event update
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*/
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/* Inheritance */
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OO.inheritClass( ve.dm.BranchNode, ve.dm.Node );
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OO.mixinClass( ve.dm.BranchNode, ve.BranchNode );
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/* Methods */
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/**
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* Add a child node to the end of the list.
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*
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* @method
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* @param {ve.dm.BranchNode} childModel Item to add
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* @returns {number} New number of children
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* @fires splice
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* @fires update
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*/
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ve.dm.BranchNode.prototype.push = function ( childModel ) {
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this.splice( this.children.length, 0, childModel );
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return this.children.length;
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};
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/**
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* Remove a child node from the end of the list.
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*
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* @method
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* @returns {ve.dm.BranchNode} Removed childModel
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* @fires splice
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* @fires update
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*/
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ve.dm.BranchNode.prototype.pop = function () {
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if ( this.children.length ) {
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var childModel = this.children[this.children.length - 1];
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this.splice( this.children.length - 1, 1 );
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return childModel;
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}
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};
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/**
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* Add a child node to the beginning of the list.
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*
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* @method
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* @param {ve.dm.BranchNode} childModel Item to add
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* @returns {number} New number of children
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* @fires splice
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* @fires update
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*/
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ve.dm.BranchNode.prototype.unshift = function ( childModel ) {
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this.splice( 0, 0, childModel );
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return this.children.length;
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};
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/**
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* Remove a child node from the beginning of the list.
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*
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* @method
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* @returns {ve.dm.BranchNode} Removed childModel
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* @fires splice
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* @fires update
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*/
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ve.dm.BranchNode.prototype.shift = function () {
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if ( this.children.length ) {
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var childModel = this.children[0];
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this.splice( 0, 1 );
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return childModel;
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}
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};
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/**
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* Add and/or remove child nodes at an offset.
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*
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* @method
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* @param {number} index Index to remove and or insert nodes at
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* @param {number} howmany Number of nodes to remove
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* @param {ve.dm.BranchNode...} [nodes] Variadic list of nodes to insert
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* @fires splice
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* @returns {ve.dm.BranchNode[]} Removed nodes
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*/
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ve.dm.BranchNode.prototype.splice = function () {
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var i,
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length,
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removals,
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args = Array.prototype.slice.call( arguments ),
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diff = 0;
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removals = this.children.splice.apply( this.children, args );
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for ( i = 0, length = removals.length; i < length; i++ ) {
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removals[i].detach();
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diff -= removals[i].getOuterLength();
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}
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if ( args.length >= 3 ) {
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length = args.length;
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for ( i = 2; i < length; i++ ) {
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args[i].attach( this );
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diff += args[i].getOuterLength();
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}
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}
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this.adjustLength( diff, true );
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this.emit.apply( this, ['splice'].concat( args ) );
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return removals;
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};
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