Examples of IUndoableOperation

org.eclipse.core.commands.operations.IUndoableOperation

IUndoableOperation defines an operation that can be executed, undone, and redone. Operations typically have fully defined parameters. That is, they are usually created after the user has been queried for any input needed to define the operation.

Operations determine their ability to execute, undo, or redo according to the current state of the application. They do not make decisions about their validity based on where they occur in the operation history. That is left to the particular operation history.
@since 3.1

Examples of org.eclipse.core.commands.operations.IUndoableOperation

      adapter.setHotspotPoint(new Point(child.getWidth()/2, child.getHeight()/2));
      designer.getClipboard().add(adapter);
    }
    IOperationHistory operationHistory = PlatformUI.getWorkbench()
        .getOperationSupport().getOperationHistory();
    IUndoableOperation operation = new CutOperation(designer.getSelectedComponents());
    operation.addContext(designer.getUndoContext());
    try {
      operationHistory.execute(operation, null, null);
    } catch (ExecutionException e) {
      VisualSwingPlugin.getLogger().error(e);
    }

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Examples of org.eclipse.core.commands.operations.IUndoableOperation

          Class type = lastValue.getClass();
          TypeAdapter ta = ExtensionRegistry.getTypeAdapter(type);
          value = ta.getEditor().decodeValue(value);
        }
        for (Object b : bean.toArray()) {
          IUndoableOperation operation = new SetValueOperation(b, this, value);
          IOperationHistory operationHistory = PlatformUI.getWorkbench().getOperationSupport().getOperationHistory();
          if (b instanceof Component) {
            Component jcomp = (Component) b;
            WidgetAdapter adapter = WidgetAdapter.getWidgetAdapter(jcomp);
            if (adapter != null) {
              operation.addContext(adapter.getUndoContext());
            }
          }
          operationHistory.execute(operation, null, null);
        }
      } catch (Exception e) {

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Examples of org.eclipse.core.commands.operations.IUndoableOperation

      if (isMoved) {
        WidgetSelection selection = new WidgetSelection(root);
        Component child = selection.get(0);
        WidgetAdapter childAdapter = WidgetAdapter.getWidgetAdapter(child);
        CompositeAdapter parentAdapter = (CompositeAdapter) childAdapter.getParentAdapter();
        IUndoableOperation operation = parentAdapter.doKeyPressed(e);
        if (operation != null) {
          IOperationHistory operationHistory = PlatformUI.getWorkbench().getOperationSupport().getOperationHistory();
          operation.addContext(getUndoContext());
          try {
            operationHistory.execute(operation, null, null);
          } catch (ExecutionException ex) {
            VisualSwingPlugin.getLogger().error(ex);
          }

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Examples of org.eclipse.core.commands.operations.IUndoableOperation

    VisualDesigner designer = getDesigner();
    if(designer==null)
      return;
    IOperationHistory operationHistory = PlatformUI.getWorkbench()
        .getOperationSupport().getOperationHistory();
    IUndoableOperation operation = new DeleteOperation(designer
        .getSelectedComponents(), designer.getRoot());
    operation.addContext(designer.getUndoContext());
    try {
      operationHistory.execute(operation, null, null);
    } catch (ExecutionException e) {
      VisualSwingPlugin.getLogger().error(e);
    }

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Examples of org.eclipse.core.commands.operations.IUndoableOperation

    setId("change_variable_name"); //$NON-NLS-1$
    setToolTipText(Messages.VarChangeAction_Change_Var_Name);
  }


  public void run() {
    IUndoableOperation operation = new VarChangeOperation(adapter);
    operation.addContext(adapter.getUndoContext());
    IOperationHistory history = PlatformUI.getWorkbench().getOperationSupport().getOperationHistory();
    try {
      history.execute(operation, null, null);
    } catch (ExecutionException e) {
      VisualSwingPlugin.getLogger().error(e);

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Examples of org.eclipse.core.commands.operations.IUndoableOperation

              for (WidgetAdapter wa : designer.getSelectedWidget()) {
                Component child = wa.getParentContainer();
                children.add(child);
                new_constraints.add(compositeAdapter.getChildConstraints(child));
              }
              IUndoableOperation operation = new MoveResizeOperation(lastParent, compositeAdapter, children, lastConstraints, new_constraints);
              operation.addContext(designer.getUndoContext());
              try {
                operationHistory.execute(operation, null, null);
              } catch (ExecutionException e) {
                VisualSwingPlugin.getLogger().error(e);
              }
              for (WidgetAdapter wa : designer.getSelectedWidget()) {
                WidgetEvent we = new WidgetEvent(lastParent, compositeAdapter, wa);
                for (IWidgetListener listener : widgetListeners) {
                  listener.widgetMoved(we);
                }
              }
            } else {
              for (WidgetAdapter wa : designer.getSelectedWidget()) {
                WidgetEvent we = new WidgetEvent(compositeAdapter, wa);
                for (IWidgetListener listener : widgetListeners) {
                  listener.widgetAdded(we);
                }
              }
            }
            designer.fireDirty();
            adapter.addNotify();
          } else {
            if (lastParent != null) {
              List<WidgetAdapter> selectedWidget = designer.getSelectedWidget();
              for (int i = 0; i < selectedWidget.size(); i++) {
                WidgetAdapter wa = selectedWidget.get(i);
                Object constraints = lastConstraints.get(i);
                lastParent.addChildByConstraints(wa.getWidget(), constraints);
              }
            }
          }
        }
      } else {
        glassPlane.setHotspotPoint(null);
        if (lastParent != null) {
          IOperationHistory operationHistory = PlatformUI.getWorkbench().getOperationSupport().getOperationHistory();
          List<Component> children = new ArrayList<Component>();
          for (WidgetAdapter wa : designer.getSelectedWidget()) {
            children.add(wa.getParentContainer());
          }
          IUndoableOperation operation = new DragDropOperation(lastParent, children, lastConstraints);
          operation.addContext(designer.getUndoContext());
          try {
            operationHistory.execute(operation, null, null);
          } catch (ExecutionException e) {
            VisualSwingPlugin.getLogger().error(e);
          }
          lastParent.setDirty(true);
          designer.fireDirty();
          for (WidgetAdapter wa : designer.getSelectedWidget()) {
            WidgetEvent we = new WidgetEvent(lastParent, wa);
            for (IWidgetListener listener : widgetListeners) {
              listener.widgetRemoved(we);
            }
          }
        }
      }
    } else if (currentAdapters != null) {
      WidgetAdapter adapter = currentAdapters.get(0);
      hoveredAdapter = adapter;
      IDesignOperation design = (IDesignOperation) hoveredAdapter.getAdapter(IDesignOperation.class);
      if (design != null && design.drop(adapter.convertToLocal(p))) {
        if (lastParent != null) {
          IOperationHistory operationHistory = PlatformUI.getWorkbench().getOperationSupport().getOperationHistory();
          List<Component> children = new ArrayList<Component>();
          List<Object> new_constraints = new ArrayList<Object>();
          for (WidgetAdapter wa : designer.getSelectedWidget()) {
            Component child = wa.getParentContainer();
            children.add(child);
            new_constraints.add(((CompositeAdapter) adapter).getChildConstraints(child));
          }
          IUndoableOperation operation = new MoveResizeOperation(lastParent, ((CompositeAdapter) adapter), children, lastConstraints, new_constraints);
          operation.addContext(designer.getUndoContext());
          try {
            operationHistory.execute(operation, null, null);
          } catch (ExecutionException e) {
            VisualSwingPlugin.getLogger().error(e);
          }

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Examples of org.eclipse.core.commands.operations.IUndoableOperation

      try {
        iEditor.validateValue();
        Object newValue = iEditor.getValue();
        Object oldValue = iEditor.getOldValue();
        if (isValueChanged(oldValue, newValue)) {
          IUndoableOperation operation = new SetWidgetValueOperation(adapter, oldValue, newValue);
          IOperationHistory operationHistory = PlatformUI.getWorkbench().getOperationSupport().getOperationHistory();
          operation.addContext(adapter.getUndoContext());
          operationHistory.execute(operation, null, null);
          adapter.setDirty(true);
          CompositeAdapter container = (CompositeAdapter) adapter.getParentAdapter();
          if (container != null)
            container.adjustLayout(adapter.getWidget());

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Examples of org.eclipse.core.commands.operations.IUndoableOperation

          Class type = lastValue.getClass();
          TypeAdapter ta = ExtensionRegistry.getTypeAdapter(type);
          value = ta.getEditor().decodeValue(value);
        }
        for (Object b : bean.toArray()) {
          IUndoableOperation operation = new SetValueOperation(b, this, value);
          IOperationHistory operationHistory = PlatformUI.getWorkbench().getOperationSupport().getOperationHistory();
          if (b instanceof Component) {
            Component jcomp = (Component) b;
            WidgetAdapter adapter = WidgetAdapter.getWidgetAdapter(jcomp);
            if (adapter != null) {
              operation.addContext(adapter.getUndoContext());
            }
          }
          operationHistory.execute(operation, null, null);
        }
      } catch (Exception e) {

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Examples of org.eclipse.core.commands.operations.IUndoableOperation

          return shell;
        return null;
      }
    };


    IUndoableOperation operation= new CreateMarkersOperation(fMarkerType, attributes, resource, name);
    IOperationHistory operationHistory= PlatformUI.getWorkbench().getOperationSupport().getOperationHistory();
    try {
      operationHistory.execute(operation, null, context);
    } catch (ExecutionException x) {
      Bundle bundle= Platform.getBundle(PlatformUI.PLUGIN_ID);

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Examples of org.eclipse.core.commands.operations.IUndoableOperation

     * Adds an undone NullOperation (i.e. has no effects on executing, undoing
     * or redoing) to the Eclipse IOperationHistory to be sure that redoing is
     * possible. This is necessary for the UI Redo possibility being activated.
     */
    protected void simulateUndo() {
        IUndoableOperation auxOp = new NullOperation();
        try {
            auxOp.addContext(context);
            eclipseHistory.execute(auxOp, null, null);
            eclipseHistory.undo(context, null, null);
            if (!eclipseHistory.canRedo(context))
                log.error("Simulating Undo failed");
        } catch (ExecutionException e) {

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