Changeset 8301

Timestamp:

09/12/08 09:06:26 (5 years ago)

Author:

stedwar2

Message:

Moved the "Generate Component" menu command to be a workbench action instead of an editor-contributed action.

Files:

• ossiedev/branches/jsnyder/ComponentProject/src/edu/vt/ossie/actionSets/GenerateComponent.java (modified) (4 diffs)

ossiedev/branches/jsnyder/ComponentProject/src/edu/vt/ossie/actionSets/GenerateComponent.java

@@ -15 +15 @@
 import org.eclipse.jface.dialogs.MessageDialog;
 import org.eclipse.jface.viewers.ISelection;
-import org.eclipse.ui.IEditorActionDelegate;
-import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.IPageListener;
+import org.eclipse.ui.IPartListener;
+import org.eclipse.ui.IWorkbenchPage;
+import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.IWorkbenchWindow;
+import org.eclipse.ui.IWorkbenchWindowActionDelegate;
 import org.python.core.PyObject;
 import org.python.core.PyString;
@@ -31 +35 @@
  */
 public class GenerateComponent
-    implements IEditorActionDelegate
+    implements IWorkbenchWindowActionDelegate,
+    IPageListener,
+    IPartListener
 {
     //~ Public Methods ........................................................
 
-        // ----------------------------------------------------------
-    public void setActiveEditor(IAction action, IEditorPart targetEditor)
-    {
-        if (targetEditor instanceof ComponentEditor)
-        {
-            componentEditor = (ComponentEditor)targetEditor;
-            project = null;
-            action.setEnabled(true);
-        }
-        else
-        {
-            componentEditor = null;
-            project = null;
-            action.setEnabled(false);
-        }
-    }
-
-
     // ----------------------------------------------------------
     public void run(IAction action)
     {
+        enableAction(action);
         if (componentEditor == null) return;
         if (!componentEditor.isConnectedToFile()) return;
@@ -178 +167 @@
     public void selectionChanged(IAction action, ISelection selection)
     {
-        // unused
+        enableAction(action);
+    }
+
+
+    // ----------------------------------------------------------
+    public void dispose()
+    {
+        window.removePageListener(this);
+        if (registeredPage != null)
+        {
+            registeredPage.removePartListener(this);
+        }
+    }
+
+
+    // ----------------------------------------------------------
+    public void init(IWorkbenchWindow window)
+    {
+        this.window = window;
+        window.addPageListener(this);
+        monitorPage(window.getActivePage());
+    }
+
+
+    // ----------------------------------------------------------
+    public void pageActivated(IWorkbenchPage page)
+    {
+        monitorPage(page);
+    }
+
+
+    // ----------------------------------------------------------
+    public void pageClosed(IWorkbenchPage page)
+    {
+        unmonitorPage(page);
+    }
+
+
+    // ----------------------------------------------------------
+    public void pageOpened(IWorkbenchPage page)
+    {
+        monitorPage(page);
+    }
+
+
+    // ----------------------------------------------------------
+    public void partActivated(IWorkbenchPart part)
+    {
+        monitorPart(part);
+    }
+
+
+    // ----------------------------------------------------------
+    public void partBroughtToTop(IWorkbenchPart part)
+    {
+        monitorPart(part);
+    }
+
+
+    // ----------------------------------------------------------
+    public void partClosed(IWorkbenchPart part)
+    {
+        if (part == componentEditor)
+        {
+            monitorPart(null);
+        }
+    }
+
+
+    // ----------------------------------------------------------
+    public void partDeactivated(IWorkbenchPart part)
+    {
+        if (part == componentEditor)
+        {
+            monitorPart(null);
+        }
+    }
+
+
+    // ----------------------------------------------------------
+    public void partOpened(IWorkbenchPart part)
+    {
+        monitorPart(part);
     }
 
@@ -234 +305 @@
 
 
+    // ----------------------------------------------------------
+    private void unmonitorPage()
+    {
+        if (registeredPage != null)
+        {
+            monitorPart(null);
+            log.debug("no longer monitoring page");
+            registeredPage.removePartListener(this);
+        }
+        registeredPage = null;
+    }
+
+
+    // ----------------------------------------------------------
+    private void unmonitorPage(IWorkbenchPage page)
+    {
+        if (registeredPage == page)
+        {
+            unmonitorPage();
+        }
+    }
+
+
+    // ----------------------------------------------------------
+    private void monitorPage(IWorkbenchPage page)
+    {
+        if (page == registeredPage) return;
+        unmonitorPage();
+        if (page != null)
+        {
+            page.addPartListener(this);
+            log.debug("monitoring page " + page);
+            monitorPart(page.getActivePart());
+        }
+        registeredPage = page;
+    }
+
+
+    // ----------------------------------------------------------
+    private void monitorPart(IWorkbenchPart part)
+    {
+        if (part == componentEditor) return;
+        if (part instanceof ComponentEditor)
+        {
+            log.debug("monitoring component editor = " + part);
+            componentEditor = (ComponentEditor)part;
+        }
+        else
+        {
+            log.debug("no longer monitoring component editor");
+            componentEditor = null;
+        }
+        enableAction(null);
+    }
+
+
+    // ----------------------------------------------------------
+    private void enableAction(IAction action)
+    {
+        if (action != null)
+        {
+            myAction = action;
+        }
+        if (myAction != null)
+        {
+            if (componentEditor == null)
+            {
+                myAction.setEnabled(false);
+            }
+            else
+            {
+                myAction.setEnabled(true);
+            }
+        }
+    }
+
+
     //~ Instance/static variables .............................................
 
     private ComponentEditor componentEditor;
     private IProject project;
+    private IWorkbenchWindow window;
+    private IWorkbenchPage registeredPage;
+    private IAction myAction;
 
     private static final Logger log =