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