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

/**
 * UserInterface dialog button tool.
 *
 * @abstract
 * @class
 * @extends ve.ui.ButtonTool
 * @constructor
 * @param {ve.ui.Toolbar} toolbar
 * @param {Object} [config] Config options
 */
ve.ui.DialogButtonTool = function VeUiDialogButtonTool( toolbar, config ) {
	// Parent constructor
	ve.ui.ButtonTool.call( this, toolbar, config );
};

/* Inheritance */

ve.inheritClass( ve.ui.DialogButtonTool, ve.ui.ButtonTool );

/* Static Properties */

/**
 * Symbolic name of dialog the button opens.
 *
 * @abstract
 * @static
 * @property
 * @type {string}
 * @inheritable
 */
ve.ui.DialogButtonTool.static.dialog = '';

/* Methods */

/**
 * Handle the button being clicked.
 *
 * @method
 */
ve.ui.DialogButtonTool.prototype.onClick = function () {
	this.toolbar.getSurface().dialogs.open( this.constructor.static.dialog );
};

/**
 * Handle the toolbar state being updated.
 *
 * @method
 * @param {ve.dm.Node[]} nodes List of nodes covered by the current selection
 * @param {ve.dm.AnnotationSet} full Annotations that cover all of the current selection
 * @param {ve.dm.AnnotationSet} partial Annotations that cover some or all of the current selection
 */
ve.ui.DialogButtonTool.prototype.onUpdateState = function ( nodes ) {
	if ( nodes.length ) {
		this.setActive(
			ve.ui.viewRegistry.getViewsForNode( nodes[0] )
				.indexOf( this.constructor.static.dialog ) !== -1
		);
	}
};