Changeset 4410

Timestamp:

2003-05-30T10:38:01+12:00 (21 years ago)

Author:

kjdon

Message:

made the MEtaEditPane an MSMListener, so that it will update itself when a metadata set is added or removed

File:

• trunk/gli/src/org/greenstone/gatherer/gui/MetaEditPane.java (modified) (7 diffs)

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

@@ -58 +58 @@
 import org.greenstone.gatherer.msm.Metadata;
 import org.greenstone.gatherer.msm.MSMEvent;
+import org.greenstone.gatherer.msm.MSMListener;
 import org.greenstone.gatherer.util.ArrayTools;
 import org.greenstone.gatherer.util.DragGroup;
@@ -73 +74 @@
 public class MetaEditPane
     extends JPanel
-    implements ActionListener, ListSelectionListener, TreeModelListener, TreeSelectionListener {
+    implements ActionListener, ListSelectionListener, TreeModelListener, TreeSelectionListener, MSMListener {
     /** <i>true</i> if the selection has changed since the last time it was asked for, <i>false</i> otherwise. */
     public boolean has_changed = false;
@@ -282 +283 @@
         collection_tree.setBackground(Gatherer.config.getColor("coloring.collection_tree_background", false));
         collection_tree.setForeground(Gatherer.config.getColor("coloring.collection_tree_foreground", false));
-                // Register our msm dependant components (or correctly their models) with msm.
+        // Register our msm dependant components (or correctly their models) with msm.
         if(model != null) {
+        // remove the listener first - in case its already present
+        Gatherer.c_man.getCollection().msm.removeMSMListener(model);
         Gatherer.c_man.getCollection().msm.addMSMListener(model);
         }
+        // register the pane itself as an MSMListener, so if we add a new metadata set, it will immediately show up. - remove itself first just in case
+        Gatherer.c_man.getCollection().msm.removeMSMListener(this);
+        Gatherer.c_man.getCollection().msm.addMSMListener(this);
+
         tree.setElementModel(Gatherer.c_man.getCollection().msm.getElementModel());
+        
     }
     else {
@@ -562 +570 @@
     this.add(external_split, BorderLayout.CENTER);
     }
+
+    /** Method that is called whenever an element within a set is changed or modified. - needed for MSMListener
+     * @param event A <strong>MSMEvent</strong> containing details of the event that caused this message to be fired.
+     */
+    public void elementChanged(MSMEvent event) {}
+
     /** Ensures a certain tree path is expanded, visible and selected within the collection tree.
     * @param path The <strong>TreePath</strong> to make visible.
@@ -604 +618 @@
     public Metadata getSelectedMetadata() {
     return selected_metadata;
+    }
+
+    /** Called whenever the metadata value changes in some way, such as the addition of a new value. - needed for MSMListener
+     * @param event A <strong>MSMEvent</strong> containing details of the event that caused this message to be fired.
+     */
+    public void metadataChanged(MSMEvent event) {}
+
+    /** Method that is called whenever the metadata set collection changes in some way, such as the addition of a new set or the merging of two sets. - needed for MSMListener
+     * @param event A <strong>MSMEvent</strong> containing details of the event that caused this message to be fired.
+     */
+    public void setChanged(MSMEvent event){
+    // call the collection tree value changed - we need to do the same stuff here
+    valueChanged((TreeSelectionEvent) null);
+
     }
 
@@ -717 +745 @@
     }
     }
+
+    /** Called whenever the value tree of an metadata element changes in some way, such as the addition of a new value. - needed for MSMListener
+     * @param event A <strong>MSMEvent</strong> containing details of the event that caused this message to be fired.
+     */
+    public void valueChanged(MSMEvent event) {}
 
     /** This method is called whenever the selection within the collection
@@ -977 +1010 @@
     }
     }
+
 }