openlayers/lib/OpenLayers/Control/ZoomOut.js

   1 /* Copyright (c) 2006-2008 MetaCarta, Inc., published under the Clear BSD
   2  * license.  See http://svn.openlayers.org/trunk/openlayers/license.txt for the
   3  * full text of the license. */
   4
   5 /**
   6  * @requires OpenLayers/Control.js
   7  */
   8
   9 /**
  10  * Class: OpenLayers.Control.ZoomOut
  11  * The ZoomOut control is a button to decrease the zoom level of a map.
  12  *
  13  * Inherits from:
  14  *  - <OpenLayers.Control>
  15  */
  16 OpenLayers.Control.ZoomOut = OpenLayers.Class(OpenLayers.Control, {
  17
  18     /**
  19      * Property: type
  20      * {String} The type of <OpenLayers.Control> -- When added to a
  21      *     <Control.Panel>, 'type' is used by the panel to determine how to
  22      *     handle our events.
  23      */
  24     type: OpenLayers.Control.TYPE_BUTTON,
  25
  26     /**
  27      * Method: trigger
  28      */
  29     trigger: function(){
  30         this.map.zoomOut();
  31     },
  32
  33     CLASS_NAME: "OpenLayers.Control.ZoomOut"
  34 });