home/diploma/lws_root/lws/static/OpenLayers-2.11/lib/OpenLayers/Control/ZoomToMaxExtent.js

/* Copyright (c) 2006-2011 by OpenLayers Contributors (see authors.txt for 
 * full list of contributors). Published under the Clear BSD license.  
 * See http://svn.openlayers.org/trunk/openlayers/license.txt for the
 * full text of the license. */

/**
 * @requires OpenLayers/Control.js
 */

/**
 * Class: OpenLayers.Control.ZoomToMaxExtent 
 * The ZoomToMaxExtent control is a button that zooms out to the maximum
 * extent of the map. It is designed to be used with a 
 * <OpenLayers.Control.Panel>.
 * 
 * Inherits from:
 *  - <OpenLayers.Control>
 */
OpenLayers.Control.ZoomToMaxExtent = OpenLayers.Class(OpenLayers.Control, {

    /**
     * Property: type
     * {String} The type of <OpenLayers.Control> -- When added to a 
     *     <Control.Panel>, 'type' is used by the panel to determine how to 
     *     handle our events.
     */
    type: OpenLayers.Control.TYPE_BUTTON,
    
    /*
     * Method: trigger
     * Do the zoom.
     */
    trigger: function() {
        if (this.map) {
            this.map.zoomToMaxExtent();
        }    
    },

    CLASS_NAME: "OpenLayers.Control.ZoomToMaxExtent"
});