mediawiki-extensions-VisualEditor/modules/ve/ce/ve.es.Surface.js

/**
 * Creates an ve.es.Surface object.
 * 
 * @class
 * @constructor
 * @param {jQuery} $container DOM Container to render surface into
 * @param {ve.dm.Surface} model Surface model to view
 */
ve.es.Surface = function( $container, model ) {
	// Inheritance
	ve.EventEmitter.call( this );

	// References for use in closures
	var	_this = this,
		$document = $( document ),
		$window = $( window );
	
	// Properties
	this.model = model;
	this.documentView = new ve.es.DocumentNode( this.model.getDocument(), this );
	this.contextView = null;
	this.$ = $container
		.addClass( 'es-surfaceView' )
		.append( this.documentView.$ );
	this.emitUpdateTimeout = undefined;

	// Events
	this.model.getDocument().on( 'update', function() {
		_this.emitUpdate( 25 );
	} );

	// Initialization
	this.documentView.renderContent();
};

/* Methods */

ve.es.Surface.prototype.attachContextView = function( contextView ) {
	this.contextView = contextView;
};

ve.es.Surface.prototype.getModel = function() {
	return this.model;
};

ve.es.Surface.prototype.emitUpdate = function( delay ) {
	if ( delay ) {
		if ( this.emitUpdateTimeout !== undefined ) {
			return;
		}
		var _this = this;
		this.emitUpdateTimeout = setTimeout( function() {
			_this.emit( 'update' );	
			_this.emitUpdateTimeout = undefined;
		}, delay );
	} else {
		this.emit( 'update' );	
	}
};

/* Inheritance */

ve.extendClass( ve.es.Surface, ve.EventEmitter );