Add new maximizeTitle and minimizeTitle options to Control.OverviewMap

examples/overviewmap.html

@@ -80,7 +80,9 @@
         
         // create an overview map control with the default options
         var overview1 = new OpenLayers.Control.OverviewMap({
-            maximized: true
+            maximized: true,
+            maximizeTitle: 'Show the overview map',
+            minimizeTitle: 'Hide the overview map'
         });
         map1.addControl(overview1);
         

lib/OpenLayers/Control/OverviewMap.js

@@ -127,6 +127,20 @@ OpenLayers.Control.OverviewMap = OpenLayers.Class(OpenLayers.Control, {
      */
     maximized: false,
 
+    /**
+     * APIProperty: maximizeTitle
+     * {String}  This property is used for showing a tooltip over the  
+     * maximize div. Defaults to "" (no title).
+     */ 
+    maximizeTitle: "",
+
+    /**
+     * APIProperty: minimizeTitle
+     * {String}  This property is used for showing a tooltip over the  
+     * minimize div. Defaults to "" (no title).
+     */ 
+    minimizeTitle: "",
+
     /**
      * Constructor: OpenLayers.Control.OverviewMap
      * Create a new overview map
@@ -247,6 +261,9 @@ OpenLayers.Control.OverviewMap = OpenLayers.Class(OpenLayers.Control, {
                                         'absolute');
             this.maximizeDiv.style.display = 'none';
             this.maximizeDiv.className = this.displayClass + 'MaximizeButton olButton';
+            if (this.maximizeTitle) {
+                this.maximizeDiv.title = this.maximizeTitle;
+            }
             this.div.appendChild(this.maximizeDiv);
     
             // minimize button div
@@ -259,6 +276,9 @@ OpenLayers.Control.OverviewMap = OpenLayers.Class(OpenLayers.Control, {
                                         'absolute');
             this.minimizeDiv.style.display = 'none';
             this.minimizeDiv.className = this.displayClass + 'MinimizeButton olButton';
+            if (this.minimizeTitle) {
+                this.minimizeDiv.title = this.minimizeTitle;
+            }
             this.div.appendChild(this.minimizeDiv);            
             this.minimizeControl();
         } else {

tests/Control/OverviewMap.html

@@ -14,6 +14,23 @@
             "olControlOverviewMap", "displayClass is correct" );
     }
 
+    function test_divs_title(t) {
+        t.plan(2);
+    
+        control = new OpenLayers.Control.OverviewMap({
+            maximizeTitle: "maximize title",
+            minimizeTitle: "minimize title"
+        });
+        map = new OpenLayers.Map('map', {
+            layers: [new OpenLayers.Layer("layer", {isBaseLayer: true})],
+            controls: [control]
+        });
+        map.zoomToMaxExtent();
+        t.eq(control.maximizeDiv.title, "maximize title", "maximizeDiv.title is correct");
+        t.eq(control.minimizeDiv.title, "minimize title", "minimizeDiv.title is correct");
+        map.destroy();
+    }
+
     function test_setMap(t) {
         t.plan(4);