/*!
 * VisualEditor ContentEditable DocumentNode class.
 *
 * @copyright 2011-2013 VisualEditor Team and others; see AUTHORS.txt
 * @license The MIT License (MIT); see LICENSE.txt
 */

/**
 * ContentEditable document node.
 *
 * @class
 * @extends ve.ce.BranchNode
 * @constructor
 * @param {ve.dm.DocumentNode} model Model to observe
 */
ve.ce.DocumentNode = function VeCeDocumentNode( model, surface ) {
	// Parent constructor
	ve.ce.BranchNode.call( this, 'document', model );

	// Properties
	this.surface = surface;

	// DOM Changes
	this.$.addClass( 've-ce-documentNode' );
	this.$.attr( 'contentEditable', 'true' );
	this.$.attr( 'spellcheck', 'true' );
};

/* Inheritance */

ve.inheritClass( ve.ce.DocumentNode, ve.ce.BranchNode );

/* Methods */

/**
 * Get the outer length.
 *
 * For a document node is the same as the inner length, which is why we override it here.
 *
 * @method
 * @returns {number} Length of the entire node
 */
ve.ce.DocumentNode.prototype.getOuterLength = function () {
	return this.length;
};

/**
 * Get the surface the document is attached to.
 *
 * @method
 * @returns {ve.ce.Surface} Surface the document is attached to
 */
ve.ce.DocumentNode.prototype.getSurface = function () {
	return this.surface;
};

/**
 * Disable editing.
 *
 * @method
 */
ve.ce.DocumentNode.prototype.disable = function () {
	this.$.css( 'opacity', 0.5 ).attr( 'contentEditable', 'false' );
};

/**
 * Enable editing.
 *
 * @method
 */
ve.ce.DocumentNode.prototype.enable = function () {
	this.$.css( 'opacity', 1 ).attr( 'contentEditable', 'true' );
};

/* Registration */

ve.ce.nodeFactory.register( 'document', ve.ce.DocumentNode );