@Override
  public void modelChanged(IModelChangedEvent event) {
    if (event.getChangeType() == IModelChangedEvent.WORLD_CHANGED) {
      fHeader = null;
      markStale();
      return;
    }

    if (getExportedPackageHeader().equals(event.getChangedProperty())) {
      refresh();
      // Bug 171896
      // Since the model sends a CHANGE event instead of
      // an INSERT event on the very first addition to the empty table
      // Selection should fire here to take this first insertion into account
      Object lastElement =
          fPackageViewer.getElementAt(fPackageViewer.getTable().getItemCount() - 1);
      if (lastElement != null) {
        fPackageViewer.setSelection(new StructuredSelection(lastElement));
      }

      return;
    }

    Object[] objects = event.getChangedObjects();
    for (Object changedObject : objects) {
      if (changedObject instanceof ExportPackageObject) {
        ExportPackageObject object = (ExportPackageObject) changedObject;
        switch (event.getChangeType()) {
          case IModelChangedEvent.INSERT:
            fPackageViewer.add(object);
            fPackageViewer.setSelection(new StructuredSelection(object), false);
            fPackageViewer.getTable().setFocus();
            break;
          case IModelChangedEvent.REMOVE:
            Table table = fPackageViewer.getTable();
            int index = table.getSelectionIndex();
            fPackageViewer.remove(object);
            table.setSelection(index < table.getItemCount() ? index : table.getItemCount() - 1);
            break;
          default:
            fPackageViewer.refresh(object);
        }
      }
    }
  }
  private void updateButtons() {
    Object[] selected = ((IStructuredSelection) fPackageViewer.getSelection()).toArray();

    TablePart tablePart = getTablePart();
    tablePart.setButtonEnabled(ADD_INDEX, canAddExportedPackages());
    tablePart.setButtonEnabled(REMOVE_INDEX, isEditable() && selected.length > 0);
    tablePart.setButtonEnabled(PROPERTIES_INDEX, shouldEnableProperties(selected));
    tablePart.setButtonEnabled(
        CALCULATE_USE_INDEX, isEditable() && fPackageViewer.getTable().getItemCount() > 0);
  }
 /** @param event */
 private void handleModelEventWorldChanged(IModelChangedEvent event) {
   // This section can get disposed if the configuration is changed from
   // plugins to features or vice versa.  Subsequently, the configuration
   // page is removed and readded.  In this circumstance, abort the
   // refresh
   if (fPluginTable.getTable().isDisposed()) {
     return;
   }
   // Reload the input
   fPluginTable.setInput(getProduct());
   // Perform the refresh
   refresh();
 }
 private void updateRemoveButtons(boolean updateRemove, boolean updateRemoveAll) {
   TablePart tablePart = getTablePart();
   Table table = tablePart.getTableViewer().getTable();
   TableItem[] tableSelection = table.getSelection();
   if (updateRemove) {
     ISelection selection = getViewerSelection();
     tablePart.setButtonEnabled(
         3,
         isEditable()
             && !selection.isEmpty()
             && selection instanceof IStructuredSelection
             && ((IStructuredSelection) selection).getFirstElement() instanceof IProductPlugin);
   }
   int count = fPluginTable.getTable().getItemCount();
   if (updateRemoveAll) tablePart.setButtonEnabled(4, isEditable() && count > 0);
   tablePart.setButtonEnabled(2, isEditable() && count > 0);
   tablePart.setButtonEnabled(5, isEditable() && tableSelection.length == 1);
 }
  /* (non-Javadoc)
   * @see org.eclipse.pde.internal.ui.editor.PDESection#modelChanged(org.eclipse.pde.core.IModelChangedEvent)
   */
  public void modelChanged(IModelChangedEvent e) {
    // No need to call super, handling world changed event here
    if (e.getChangeType() == IModelChangedEvent.WORLD_CHANGED) {
      handleModelEventWorldChanged(e);
      return;
    }
    Object[] objects = e.getChangedObjects();
    if (e.getChangeType() == IModelChangedEvent.INSERT) {
      for (int i = 0; i < objects.length; i++) {
        if (objects[i] instanceof IProductPlugin) fPluginTable.add(objects[i]);
      }
    } else if (e.getChangeType() == IModelChangedEvent.REMOVE) {

      Table table = fPluginTable.getTable();
      int index = table.getSelectionIndex();

      for (int i = 0; i < objects.length; i++) {
        if (objects[i] instanceof IProductPlugin) fPluginTable.remove(objects[i]);
      }

      // Update Selection

      int count = table.getItemCount();

      if (count == 0) {
        // Nothing to select
      } else if (index < count) {
        table.setSelection(index);
      } else {
        table.setSelection(count - 1);
      }

    } else if (e.getChangeType() == IModelChangedEvent.CHANGE) {
      fPluginTable.refresh();
    }
    updateRemoveButtons(false, true);
  }
Esempio n. 6
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 @Override
 public Table getColumnWidget() {
   return mViewer != null ? mViewer.getTable() : null;
 }