mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
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94 lines
2.1 KiB
JavaScript
94 lines
2.1 KiB
JavaScript
/**
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* ContentEditable node for a list.
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*
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* @class
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* @constructor
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* @extends {ve.ce.BranchNode}
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* @param model {ve.dm.ListNode} Model to observe
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*/
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ve.ce.ListNode = function( model ) {
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// Inheritance
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ve.ce.BranchNode.call( this, model, ve.ce.ListNode.getDomWrapper( model ) );
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// Properties
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this.currentStyle = model.getAttribute( 'style' );
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// Events
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this.model.addListenerMethod( this, 'update', 'onUpdate' );
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};
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/* Static Members */
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/**
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* Node rules.
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*
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* @see ve.ce.NodeFactory
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* @static
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* @member
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*/
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ve.ce.ListNode.rules = {
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'canHaveChildren': true,
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'canHaveGrandchildren': true,
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'canBeSplit': false
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};
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/**
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* Mapping of list style values and DOM wrapper element types.
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*
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* @static
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* @member
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*/
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ve.ce.ListNode.domWrapperElementTypes = {
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'bullet': 'ul',
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'number': 'ol',
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'definition': 'dl'
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};
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/* Static Methods */
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/**
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* Gets an appropriate DOM wrapper for the model.
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*
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* This method is static because it is used before the node is fully constructed. Before all parent
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* constructors are called this.model may not be ready to be used.
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*
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* @static
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* @method
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* @param {ve.dm.ListNode} model Model to create DOM wrapper for
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* @returns {jQuery} Selection containing DOM wrapper
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*/
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ve.ce.ListNode.getDomWrapper = function( model ) {
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var style = model.getAttribute( 'style' ),
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type = ve.ce.ListNode.domWrapperElementTypes[style];
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if ( type === undefined ) {
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console.log(style, type);
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throw 'Invalid style attribute in list node model: ' + style;
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}
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return $( '<' + type + '></' + type + '>' );
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};
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/* Methods */
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/**
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* Responds to model update events.
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*
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* If the style changed since last update the DOM wrapper will be replaced with an appropriate one.
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*
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* @method
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*/
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ve.ce.ListNode.prototype.onUpdate = function() {
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var style = this.model.getAttribute( 'style' );
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if ( style !== this.currentStyle ) {
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this.currentStyle = style;
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this.replaceDomWrapper( ve.ce.ListNode.getDomWrapper( this.model ) );
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}
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};
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/* Registration */
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ve.ce.factory.register( 'list', ve.ce.ListNode );
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/* Inheritance */
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ve.extendClass( ve.ce.ListNode, ve.ce.BranchNode );
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