Changeset 9813 for src/django_gheat/wlheatmap/static/heatmap.js

Timestamp:

Dec 21, 2011, 8:42:40 PM (13 years ago)

Author:

rick

Message:

Permalink custom layers, nice!

File:

• src/django_gheat/wlheatmap/static/heatmap.js (modified) (3 diffs)

src/django_gheat/wlheatmap/static/heatmap.js

@@ -21 +21 @@
       new OpenLayers.Control.Navigation(),
       new OpenLayers.Control.Permalink({
-        anchor : true,
+        anchor : false,
         createParams: function(center, zoom, layers) {
           center = center || this.map.getCenter();
@@ -64 +64 @@
               // Update permalink URL to reflect new location and filters
               layerid = 0;
-              for (var i=1, len=layers.length; i < len; i++) {
+              // First two and last one should be ignored
+              for (var i=4, len=layers.length; i < len; i++) {
                 var layer = layers[i];
                 if ($.isArray(layer.url)) {
@@ -73 +74 @@
                 var filter = url.split('?')[1];
                 layerid += 1;
-                params['layername' + i] = layer.name;
-                params['layerfilter' + i] = filter;
+                params['layername' + layerid] = layer.name;
+                params['layercolour' + layerid] = layer.colour;
+                params['layerfilter' + layerid] = filter;
               }
-              params['layercount']  = layerid;
+              params['layercount']  = layerid;
           }
           return params;
-        }
+        },
+        draw: function() {
+          OpenLayers.Control.prototype.draw.apply(this, arguments);
+
+          if (!this.element && !this.anchor) {
+            this.element = document.createElement("a");
+            this.element.innerHTML = OpenLayers.i18n("Permalink");
+            this.element.href="";
+            this.div.appendChild(this.element);
+          }
+          this.map.events.on({
+            'moveend': this.updateLink,
+            'changelayer': this.updateLink,
+            'addlayer': this.updateLink,
+            'removelayer': this.updateLink,
+            'changebaselayer': this.updateLink,
+            scope: this
+          });
+
+          // Make it so there is at least a link even though the map may not have
+          // moved yet.
+          this.updateLink();
+
+          return this.div;
+        },
       }),
       new OpenLayers.Control.PanZoomBar(),