Changeset 4378

Timestamp:

2003-05-28T11:19:56+12:00 (21 years ago)

Author:

kjdon

Message:

disabled dragging of dummy nodes (Greenstone Collections) and file system root nodes

File:

• trunk/gli/src/org/greenstone/gatherer/gui/tree/DragTree.java (modified) (3 diffs)

trunk/gli/src/org/greenstone/gatherer/gui/tree/DragTree.java

@@ -191 +191 @@
         setSelectionPath(path);
     }
+    if (!isValidDrag()) {
+        return;
+    }
     // Now update the selection stored as far as the group is concerned.
     group.setSelection(getSelectionPaths());
@@ -575 +578 @@
     Gatherer.g_man.menu_bar.setMetaAuditSuffix(getSelectionDetails());
     }
+    
+    /** returns false for dummy nodes (ones without files), and system root 
+     * nodes */
+    private boolean isValidDrag() {
+    //because you cant select nodes that are children of another selection, and we use a contiguous selection model, we just test the first selection path
+    TreePath node_path = getSelectionPath();
+    FileNode node = (FileNode) node_path.getLastPathComponent();
+    
+    if (node.getFile() == null) {
+        return false;
+    }
+    if (node.isFileSystemRoot()) {
+        return false;
+    }
+    return true;
+    }
 
     private boolean isValidDrop(TreePath target_path) {
@@ -580 +599 @@
     if(target_path != null) {
         FileNode target_node = (FileNode) target_path.getLastPathComponent();
-                // We can only continue testing if the node is a folder.
+        // We can only continue testing if the node is a folder.
         if(!target_node.isLeaf()) {
         // Now we check if the node is readonly.