Changeset 7270 for branches/HeuristicLab.Hive.Azure/HeuristicLab.Core.Views/3.3/CheckedItemListView.cs

Timestamp:

01/04/12 16:45:02 (12 years ago)

Author:

spimming

Message:

#1680:

• merged changes from trunk into branch

Location:

branches/HeuristicLab.Hive.Azure

Files:

• . (modified) (1 prop)
• HeuristicLab.Core.Views/3.3/CheckedItemListView.cs (modified) (4 diffs)

branches/HeuristicLab.Hive.Azure/HeuristicLab.Core.Views/3.3/CheckedItemListView.cs

@@ -1 +1 @@
 #region License Information
 /* HeuristicLab
- * Copyright (C) 2002-2011 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
+ * Copyright (C) 2002-2012 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
  *
  * This file is part of HeuristicLab.
@@ -20 +20 @@
 #endregion
 
+using System.Linq;
 using System.Drawing;
 using System.Windows.Forms;
@@ -54 +55 @@
     private Color backupColor = Color.Empty;
     protected override void SetEnabledStateOfControls() {
-      if(backupColor == Color.Empty) backupColor = base.itemsListView.BackColor;
+      if (backupColor == Color.Empty) backupColor = base.itemsListView.BackColor;
       base.SetEnabledStateOfControls();
       if (ReadOnly || Locked)
@@ -88 +89 @@
         doubleClick = true;
     }
+
+    protected override void itemsListView_DragEnter(object sender, DragEventArgs e) {
+      validDragOperation = false;
+      if (Locked || ReadOnly) return;
+
+      var data = e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) as ICheckedItemList<T>;
+      if (data != null)
+        validDragOperation = Content.Select(x => x.ToString()).SequenceEqual(data.Select(x => x.ToString()));
+      else
+        base.itemsListView_DragEnter(sender, e);
+    }
+
+    protected override void itemsListView_DragOver(object sender, DragEventArgs e) {
+      e.Effect = DragDropEffects.None;
+      if (!validDragOperation) return;
+
+      var data = e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) as ICheckedItemList<T>;
+      if (data != null)
+        e.Effect = DragDropEffects.Copy;
+      else
+        base.itemsListView_DragOver(sender, e);
+    }
+
+    protected override void itemsListView_DragDrop(object sender, DragEventArgs e) {
+      if (e.Effect == DragDropEffects.None) return;
+      var data = e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) as ICheckedItemList<T>;
+      if (data != null) {
+        for (int i = 0; i < Content.Count; i++) {
+          Content.SetItemCheckedState(Content[i], data.ItemChecked(data[i]));
+        }
+      } else
+        base.itemsListView_DragDrop(sender, e);
+    }
     #endregion