Changeset 4394

Timestamp:

2003-05-28T14:56:47+12:00 (21 years ago)

Author:

jmt12

Message:

Added the ability to show 'greyfolder.gif' for non-real and file system FileNodes to indicate they can't be dragged.

File:

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

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

@@ -36 +36 @@
  *########################################################################
  */
-import java.awt.Color;
-import java.awt.Component;
-import javax.swing.JTree;
+import java.awt.*;
+import javax.swing.*;
 import javax.swing.tree.DefaultTreeCellRenderer;
+import org.greenstone.gatherer.file.FileNode;
+import org.greenstone.gatherer.util.Utility;
 
 public class DragTreeCellRenderer 
@@ -48 +49 @@
     private Color selection_foreground;
      
+    static final private ImageIcon GRAY_FOLDER = Utility.getImage("greyfolder.gif");
+
     public DragTreeCellRenderer() {
     super();
@@ -59 +62 @@
     }
 
+    /** Configures the renderer based on the passed in components. */
+    public Component getTreeCellRendererComponent(JTree tree, Object value, boolean sel, boolean expanded, boolean leaf, int row, boolean hasFocus) {
+    Component tree_cell = (JLabel) super.getTreeCellRendererComponent(tree, value, sel, expanded, leaf, row, hasFocus);
+    if(value instanceof FileNode) {
+        FileNode node = (FileNode) value;
+        if(node.getFile() == null || node.isFileSystemRoot()) {
+        ((JLabel)tree_cell).setIcon(GRAY_FOLDER);
+        }
+    }
+    return tree_cell;
+    }
+          
     public void loseFocus() {
     setBackgroundSelectionColor(Color.lightGray);