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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"
+});