Changeset 7098

Timestamp:

2004-03-19T17:55:40+13:00 (20 years ago)

Author:

kjdon

Message:

added up and down arrow handling to the workspace and collection trees

Location:

trunk/gli/src/org/greenstone/gatherer/gui

Files:

• EnrichPane.java (modified) (2 diffs)
• GatherPane.java (modified) (2 diffs)

trunk/gli/src/org/greenstone/gatherer/gui/EnrichPane.java

@@ -392 +392 @@
     collection_tree.setLargeModel(true);
     collection_tree.setRootVisible(false);
-
+    
+    KeyListenerImpl key_listener = new KeyListenerImpl();
+    collection_tree.addKeyListener(key_listener);
     JScrollPane collection_scroll = new JScrollPane(collection_tree);
 
@@ -1030 +1032 @@
         }
     }
+    }
+
+    /** This class listens for certain key presses, such as [Up] or [Down], -copied from Gather Pane */
+    private class KeyListenerImpl
+    extends KeyAdapter {
+    /** Called whenever a key that was pressed is released, it is this action that will cause the desired effects (this allows for the key event itself to be processed prior to this listener dealing with it). */
+    public void keyReleased(KeyEvent event) {
+        ///ystem.err.println("Key Release detected. " + event.getKeyCode());
+        if (event.getKeyCode() == KeyEvent.VK_UP || event.getKeyCode() == KeyEvent.VK_DOWN) {
+        DragTree tree = (DragTree)event.getSource();
+        // we need to manually do the up and down selections
+        boolean up = (event.getKeyCode() == KeyEvent.VK_UP);
+        int current_row = tree.getLeadSelectionRow();
+        tree.setImmediate(true);
+        if (up) {
+            if (current_row > 0) {
+            tree.clearSelection();
+            tree.setSelectionRow(current_row-1);
+            }
+        } else {
+            if (current_row < tree.getRowCount()-1){
+            tree.clearSelection();
+            tree.setSelectionRow(current_row+1);
+            }
+        }
+        tree.setImmediate(false);
+        }
+    }
+
     }
 

trunk/gli/src/org/greenstone/gatherer/gui/GatherPane.java

@@ -668 +668 @@
     /** Called whenever a key that was pressed is released, it is this action that will cause the desired effects (this allows for the key event itself to be processed prior to this listener dealing with it). */
     public void keyReleased(KeyEvent event) {
-                ///ystem.err.println("Key Release detected. " + event.getKeyCode());
+        ///ystem.err.println("Key Release detected. " + event.getKeyCode());
         if(event.getKeyCode() == KeyEvent.VK_DELETE) {
         // Get the selected files from the tree and removal them using the default dnd removal method.
@@ -704 +704 @@
             }
         }
-        }
-    }
+        } else if (event.getKeyCode() == KeyEvent.VK_UP || event.getKeyCode() == KeyEvent.VK_DOWN) {
+        DragTree tree = (DragTree)event.getSource();
+        // we need to manually do the up and down selections
+        boolean up = (event.getKeyCode() == KeyEvent.VK_UP);
+        int current_row = tree.getLeadSelectionRow();
+        tree.setImmediate(true);
+        if (up) {
+            if (current_row > 0) {
+            tree.clearSelection();
+            tree.setSelectionRow(current_row-1);
+            }
+        } else {
+            if (current_row < tree.getRowCount()-1){
+            tree.clearSelection();
+            tree.setSelectionRow(current_row+1);
+            }
+        }
+        tree.setImmediate(false);
+        }
+    }
+
     }