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/* Copyright (c) 2006-2013 by OpenLayers Contributors (see authors.txt for
* full list of contributors). Published under the 2-clause BSD license.
* See license.txt in the OpenLayers distribution or repository for the
* full text of the license. */
/**
* @requires OpenLayers/Control/Panel.js
* @requires OpenLayers/Control/Pan.js
*/
/**
* Class: OpenLayers.Control.PanPanel
* The PanPanel is visible control for panning the map North, South, East or
* West in small steps. By default it is drawn in the top left corner of the
* map.
*
* Note:
* If you wish to use this class with the default images and you want
* it to look nice in ie6, you should add the following, conditionally
* added css stylesheet to your HTML file:
*
* (code)
* <!--[if lte IE 6]>
* <link rel="stylesheet" href="../theme/default/ie6-style.css" type="text/css" />
* <![endif]-->
* (end)
*
* Inherits from:
* - <OpenLayers.Control.Panel>
*/
OpenLayers.Control.PanPanel = OpenLayers.Class(OpenLayers.Control.Panel, {
/**
* APIProperty: slideFactor
* {Integer} Number of pixels by which we'll pan the map in any direction
* on clicking the arrow buttons, defaults to 50. If you want to pan
* by some ratio of the map dimensions, use <slideRatio> instead.
*/
slideFactor: 50,
/**
* APIProperty: slideRatio
* {Number} The fraction of map width/height by which we'll pan the map
* on clicking the arrow buttons. Default is null. If set, will
* override <slideFactor>. E.g. if slideRatio is .5, then Pan Up will
* pan up half the map height.
*/
slideRatio: null,
/**
* Constructor: OpenLayers.Control.PanPanel
* Add the four directional pan buttons.
*
* Parameters:
* options - {Object} An optional object whose properties will be used
* to extend the control.
*/
initialize: function(options) {
OpenLayers.Control.Panel.prototype.initialize.apply(this, [options]);
var options = {
slideFactor: this.slideFactor,
slideRatio: this.slideRatio
};
this.addControls([
new OpenLayers.Control.Pan(OpenLayers.Control.Pan.NORTH, options),
new OpenLayers.Control.Pan(OpenLayers.Control.Pan.SOUTH, options),
new OpenLayers.Control.Pan(OpenLayers.Control.Pan.EAST, options),
new OpenLayers.Control.Pan(OpenLayers.Control.Pan.WEST, options)
]);
},
CLASS_NAME: "OpenLayers.Control.PanPanel"
});