Changeset 10093 for branches/Breadcrumbs/HeuristicLab.MainForm.WindowsForms/3.3/MainForms/MainForm.cs

Timestamp:

10/29/13 13:47:35 (11 years ago)

Author:

jkarder

Message:

#2116:

• refactored breadcrumb navigation
• added possibility to navigate to the first invisible breadcrumb via the ellipsis

File:

• branches/Breadcrumbs/HeuristicLab.MainForm.WindowsForms/3.3/MainForms/MainForm.cs (modified) (2 diffs)

branches/Breadcrumbs/HeuristicLab.MainForm.WindowsForms/3.3/MainForms/MainForm.cs

@@ -224 +224 @@
 
     public T GetOutermostViewOfType<T>(Control childControl) where T : class, IView {
+      if (childControl == null) throw new ArgumentNullException("childControl", "ChildControl cannot be null.");
+
       T outermostView = null;
       for (var control = childControl; control != null; control = control.Parent) {
@@ -273 +275 @@
     }
 
-    public void ShowContentInSpecificViewHost(IContent content, ViewHost viewHost) {
-      if (viewHost == null) return;
-      viewHost.Content = null;
-      var viewType = MainFormManager.GetDefaultViewType(content.GetType());
-      viewHost.ViewType = viewType;
-      viewHost.Content = content;
+    public ViewHost ShowContentInOutermostViewHost(IContent content, Control childControl, bool requireHotlinking = false) {
+      if (content == null) throw new ArgumentNullException("content", "Content cannot be null.");
+      if (childControl == null) throw new ArgumentNullException("childControl", "ChildControl cannot be null.");
+
+      var outermostViewHost = GetOutermostViewOfType<ViewHost>(childControl);
+      if (outermostViewHost == null)
+        throw new ArgumentException("No outermost ViewHost could be found for the specified child control.", "childControl");
+
+      if (!requireHotlinking || outermostViewHost.HotlinkingEnabled) {
+        var oldCrumbs = outermostViewHost.Breadcrumbs;
+        var newCrumbs = new LinkedList<IContent>();
+        for (var control = childControl; control != null; control = control.Parent) {
+          var vh = control as ViewHost;
+          if (vh != null && vh.Content != null)
+            newCrumbs.AddFirst(vh.Content);
+        }
+        bool showBreadcrumbs = outermostViewHost.ShowBreadcrumbs;
+        outermostViewHost.Content = null;
+        var viewType = MainFormManager.GetDefaultViewType(content.GetType());
+        outermostViewHost.ViewType = viewType;
+        outermostViewHost.Content = content;
+        outermostViewHost.UpdateBreadcrumbTrail(oldCrumbs, newCrumbs.Concat(new[] { content }));
+        outermostViewHost.ShowBreadcrumbs = showBreadcrumbs;
+      }
+      return outermostViewHost;
     }