Modify navigator style sheet.

website/o3dv/css/panelset.css

@@ -1,7 +1,5 @@
 div.ov_panel_set_menu
 {
-    margin-right: 10px;
-    border-right: 1px solid var(--ov_border_color);
 	float: left;
 }
 
@@ -11,6 +9,13 @@ div.ov_panel_set_menu div.ov_panel_set_menu_button
     cursor: pointer;
 }
 
+div.ov_panel_set_content
+{
+    padding-left: 10px;
+    border-left: 1px solid var(--ov_border_color);
+    overflow: auto;
+}
+
 @media (hover)
 {
 

website/o3dv/css/website.css

@@ -104,7 +104,7 @@ div.main
 div.main_navigator
 {
 	width: 240px;
-	margin: 10px 0px 10px 10px;
+	margin: 10px 0px 10px 0px;
 	overflow: none;
 	float: left;
 }

website/o3dv/js/navigator.js

@@ -157,8 +157,14 @@ OV.Navigator = class
         {
             if (selection.type === OV.SelectionType.Material) {
                 navigator.materialsPanel.GetMaterialItem (selection.materialIndex).SetSelected (select);
+                if (select) {
+                    navigator.panelSet.ShowPanel (navigator.materialsPanel);
+                }
             } else if (selection.type === OV.SelectionType.Mesh) {
                 navigator.meshesPanel.GetMeshItem (selection.meshInstanceId).SetSelected (select);
+                if (select) {
+                    navigator.panelSet.ShowPanel (navigator.meshesPanel);
+                }
             }
         }
 

website/o3dv/js/panelset.js

@@ -3,8 +3,8 @@ OV.Panel = class
     constructor (parentDiv)
     {
         this.parentDiv = parentDiv;
-        this.panelDiv = $('<div>').appendTo (parentDiv);
-        this.visible = true;
+        this.panelDiv = $('<div>').appendTo (parentDiv).hide ();
+        this.visible = false;
     }
 
     GetIcon ()
@@ -17,6 +17,11 @@ OV.Panel = class
         return this.panelDiv;
     }
 
+    IsVisible ()
+    {
+        return this.visible;
+    }
+
     Show (show)
     {
         this.visible = show;
@@ -44,7 +49,7 @@ OV.PanelSet = class
     {
         this.parentDiv = parentDiv;
         this.menuDiv = $('<div>').addClass ('ov_panel_set_menu').appendTo (parentDiv);
-        this.contentDiv = $('<div>').appendTo (parentDiv);
+        this.contentDiv = $('<div>').addClass ('ov_panel_set_content').appendTo (parentDiv);
         this.panels = [];
     }
 
@@ -71,6 +76,16 @@ OV.PanelSet = class
         panel.Resize ();
     }
 
+    GetVisiblePanel ()
+    {
+        for (let panel of this.panels) {
+            if (panel.IsVisible ()) {
+                return panel;
+            }
+        }
+        return null;
+    }
+
     Resize ()
     {
         let height = this.parentDiv.height ();