mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-11-16 02:51:50 +00:00
c2d4a2d928
* Also removed beforeSplice and afterSplice in favor of just plain splice which is the same as afterSplice used to be - beforeSplice was never used and it was making things more complex looking than needed Change-Id: Icbbc57eac73a2a206ba35409ab57b3d1a49ab1a5
100 lines
2.5 KiB
JavaScript
100 lines
2.5 KiB
JavaScript
/**
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* ContentEditable node that can have branch or leaf children.
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*
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* @class
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* @abstract
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* @constructor
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* @extends {ve.BranchNode}
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* @extends {ve.ce.Node}
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* @param model {ve.dm.BranchNode} Model to observe
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* @param {jQuery} [$element] Element to use as a container
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*/
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ve.ce.BranchNode = function( model, $element ) {
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// Inheritance
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ve.BranchNode.call( this );
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ve.ce.Node.call( this, model, $element );
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// Properties
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this.$ = $element || $( '<div></div>' );
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// Events
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this.model.addListenerMethod( 'splice', this, 'onSplice' );
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// Initialization
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this.onAfterSplice.apply( this, [0].concat( model.getChildren() ) );
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};
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/* Methods */
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ve.ce.BranchNode.prototype.convertDomElement = function( type ) {
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// Create new element
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var $new = $( '<' + type + '></' + type + '>' );
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// Copy classes
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$new.attr( 'class', this.$.attr( 'class' ) );
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// Move contents
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$new.append( this.$.contents() );
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// Swap elements
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this.$.replaceWith( $new );
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// Use new element from now on
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this.$ = $new;
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};
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ve.ce.BranchNode.prototype.onSplice = function( index, howmany ) {
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var i,
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length,
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args = Array.prototype.slice.call( arguments, 0 );
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// Convert models to views and attach them to this node
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if ( args.length >= 3 ) {
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for ( i = 2, length = args.length; i < length; i++ ) {
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args[i] = args[i].createView();
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}
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}
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this.emit.apply( this, ['beforeSplice'].concat( args ) );
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var removals = this.children.splice.apply( this.children, args );
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for ( i = 0, length = removals.length; i < length; i++ ) {
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removals[i].detach();
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removals[i].removeListener( 'update', this.emitUpdate );
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// Update DOM
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removals[i].$.detach();
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}
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if ( args.length >= 3 ) {
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var $target;
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if ( index ) {
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// Get the element before the insertion point
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$anchor = this.$.children().eq( index - 1 );
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}
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for ( i = args.length - 1; i >= 2; i-- ) {
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args[i].attach( this );
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args[i].on( 'update', this.emitUpdate );
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if ( index ) {
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$anchor.after( args[i].$ );
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} else {
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this.$.prepend( args[i].$ );
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}
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}
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}
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this.emit.apply( this, ['afterSplice'].concat( args ) );
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if ( args.length >= 3 ) {
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for ( i = 2, length = args.length; i < length; i++ ) {
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args[i].render();
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}
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}
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this.emit( 'update' );
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};
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/**
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* Render content.
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*
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* @method
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*/
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ve.ce.BranchNode.prototype.render = function() {
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for ( var i = 0; i < this.children.length; i++ ) {
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this.children[i].render();
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}
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};
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/* Inheritance */
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ve.extendClass( ve.ce.BranchNode, ve.BranchNode );
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ve.extendClass( ve.ce.BranchNode, ve.ce.Node );
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