Merge vector-2.4 branch back to trunk.

svn merge sandbox/vector-2.4/@2307 sandbox/vector-2.4/@HEAD trunk/openlayers/ git-svn-id: http://svn.openlayers.org/trunk/openlayers@2803 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
2007-03-16 13:23:56 +00:00
parent 8b9d974dc2
commit 3ca974acec
159 changed files with 10193 additions and 343 deletions
@@ -0,0 +1,59 @@
+/* Copyright (c) 2006 MetaCarta, Inc., published under a modified BSD license.
+ * See http://svn.openlayers.org/trunk/openlayers/repository-license.txt 
+ * for the full text of the license. */
+
+/**
+ * @class
+ * 
+ * @requires OpenLayers/Control.js
+ * @requires OpenLayers/Handler/Drag.js
+ */
+OpenLayers.Control.DragPan = OpenLayers.Class.create();
+OpenLayers.Control.DragPan.prototype = 
+  OpenLayers.Class.inherit( OpenLayers.Control, {
+    /** @type OpenLayers.Control.TYPES */
+    type: OpenLayers.Control.TYPE_TOOL,
+    
+    /**
+     * 
+     */    
+    draw: function() {
+        this.handler = new OpenLayers.Handler.Drag( this,
+                            {"move": this.panMap, "up": this.panMapDone } );
+    },
+
+    /**
+    * @param {OpenLayers.Pixel} xy Pixel of the up position
+    */
+    panMap: function (xy) {
+        var deltaX = this.handler.start.x - xy.x;
+        var deltaY = this.handler.start.y - xy.y;
+        var size = this.map.getSize();
+        var newXY = new OpenLayers.Pixel(size.w / 2 + deltaX,
+                                         size.h / 2 + deltaY);
+        var newCenter = this.map.getLonLatFromViewPortPx( newXY ); 
+        this.map.setCenter(newCenter, null, true);
+        // this assumes xy won't be changed inside Handler.Drag
+        // a safe bet for now, and saves us the extra call to clone().
+        this.handler.start = xy;
+    },
+    
+    /**
+    * @param {OpenLayers.Pixel} xy Pixel of the up position
+    */
+    panMapDone: function (xy) {
+        var deltaX = this.handler.start.x - xy.x;
+        var deltaY = this.handler.start.y - xy.y;
+        var size = this.map.getSize();
+        var newXY = new OpenLayers.Pixel(size.w / 2 + deltaX,
+                                         size.h / 2 + deltaY);
+        var newCenter = this.map.getLonLatFromViewPortPx( newXY ); 
+        this.map.setCenter(newCenter, null, false);
+        // this assumes xy won't be changed inside Handler.Drag
+        // a safe bet for now, and saves us the extra call to clone().
+        this.handler.start = xy;
+    },
+
+    /** @final @type String */
+    CLASS_NAME: "OpenLayers.Control.DragPan"
+});