mirror of https://gitee.com/jeecg/jeecg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
41 lines
1.1 KiB
41 lines
1.1 KiB
/* 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"
|
|
});
|