Changeset 12423

Timestamp:

2006-08-09T14:34:06+12:00 (18 years ago)

Author:

shaoqun

Message:

enable the preview buton when there is a previouly built collecton and display the warning message

File:

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

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

@@ -48 +48 @@
 import org.greenstone.gatherer.cdm.Format;
 import org.greenstone.gatherer.cdm.Control;
+import org.greenstone.gatherer.Configuration;
+import org.greenstone.gatherer.shell.GShell;
+import org.greenstone.gatherer.shell.GShellEvent;
+import org.greenstone.gatherer.shell.GShellListener;
 
 public class FormatPane 
     extends BaseConfigPane 
-    implements PreviewButtonOwner {
+    implements PreviewButtonOwner,GShellListener{
     
 
     /** The button for viewing the collection. */
     private PreviewButton preview_button = null;
+    private boolean buildCanceled = false;
 
     /** The constructor. */
@@ -73 +78 @@
     preview_button.setVariablePreview(true);
     preview_button.setOwner(this);
+
+
+
     preview_button.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent event) {
-            if (view != null) {
-            view.loseFocus();
+            if (view != null) {
+            view.loseFocus();
+            }
+            
+            if (buildCanceled){
+            WarningDialog dialog = new WarningDialog("warning.ShowPreviousCollection", "ShowPreviousCollection.Title", Dictionary.get("ShowPreviousCollection.Message"), null, false);
+            dialog.display();
+                        dialog.dispose();
             }
         }
@@ -85 +99 @@
     add(side_panel, BorderLayout.WEST);
     }
+
+    public void gainFocus(){
+
+    if (Gatherer.c_man.built() && Configuration.library_url != null) {
+        preview_button.setEnabled(true);
+    }  
+    else{
+        preview_button.setEnabled(false); 
+    }    
+    
+    }
+
+
+    /** All implementation of GShellListener must include this method so the listener can be informed of messages from the GShell.
+     * @param event A <strong>GShellEvent</strong> that contains, amoung other things, the message.
+     */
+    public synchronized void message(GShellEvent event) {
+        // We don't care.  
+    }
+
+    
+    /** All implementation of GShellListener must include this method so the listener can be informed when a GShell begins its task. Implementation side-effect, not actually used.
+     * @param event A <strong>GShellEvent</strong> that contains details of the initial state of the <strong>GShell</strong> before task comencement.
+     */
+    public synchronized void processBegun(GShellEvent event) {
+    buildCanceled = false;
+    }
+    
+    /** All implementation of GShellListener must include this method so the listener can be informed when a GShell completes its task.
+     * @param event A <strong>GShellEvent</strong> that contains details of the final state of the <strong>GShell</strong> after task completion.
+     */
+    public synchronized void processComplete(GShellEvent event) {
+    if(event.getStatus() == GShell.OK) {
+        if(event.getType() == GShell.BUILD) {
+            buildCanceled = false;
+        }
+    }      
+    else {
+        buildCanceled = true;   
+    }
+    }
+
+
 
     protected Control getSubControls(String type) {