Examples of org.eclipse.emf.common.command.Command

org.eclipse.emf.common.command.Command
An interface that every command is expected to support. A command can be tested for executability, it can be executed, it can be tested for undoability, it can be undone, and can then be redone. A command also provides access to a result collection, an affected-objects collection, a label, and a description.
There are important constraints on the valid order in which the various methods may be invoked, e.g., you cannot ask for the result before you've executed the command. These constraints are documented with the various methods.

                public void run() {
                  firePropertyChange(IEditorPart.PROP_DIRTY);


                  // Try to select the affected objects.
                  //
                  Command mostRecentCommand = ((CommandStack)event.getSource()).getMostRecentCommand();
                  if (mostRecentCommand != null) {
                    setSelectionToViewer(mostRecentCommand.getAffectedObjects());
                  }
                  if (propertySheetPage != null && !propertySheetPage.getControl().isDisposed()) {
                    propertySheetPage.refresh();
                  }
                }

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                public void run() {
                  firePropertyChange(IEditorPart.PROP_DIRTY);


                  // Try to select the affected objects.
                  //
                  Command mostRecentCommand = ((CommandStack)event.getSource()).getMostRecentCommand();
                  if (mostRecentCommand != null) {
                    setSelectionToViewer(mostRecentCommand.getAffectedObjects());
                  }
                  if (propertySheetPage != null && !propertySheetPage.getControl().isDisposed()) {
                    propertySheetPage.refresh();
                  }
                }

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                public void run() {
                  firePropertyChange(IEditorPart.PROP_DIRTY);


                  // Try to select the affected objects.
                  //
                  Command mostRecentCommand = ((CommandStack)event.getSource()).getMostRecentCommand();
                  if (mostRecentCommand != null) {
                    setSelectionToViewer(mostRecentCommand.getAffectedObjects());
                  }
                  if (propertySheetPage != null && !propertySheetPage.getControl().isDisposed()) {
                    propertySheetPage.refresh();
                  }
                }

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                public void run() {
                  firePropertyChange(IEditorPart.PROP_DIRTY);


                  // Try to select the affected objects.
                  //
                  Command mostRecentCommand = ((CommandStack)event.getSource()).getMostRecentCommand();
                  if (mostRecentCommand != null) {
                    setSelectionToViewer(mostRecentCommand.getAffectedObjects());
                  }
                  if (propertySheetPage != null && !propertySheetPage.getControl().isDisposed()) {
                    propertySheetPage.refresh();
                  }
                }

View Full Code Here

        redoAction.setDescription(REDO_ACTION_DESC_DEFAULT);
      }
      if (fStructuredModel.getUndoManager() != null) {
        IStructuredTextUndoManager undoManager = fStructuredModel.getUndoManager();
        // get undo command
        Command undoCommand = undoManager.getUndoCommand();
        // set undo label and description
        if (undoAction != null) {
          undoAction.setEnabled(undoManager.undoable());
          if (undoCommand != null) {
            String label = undoCommand.getLabel();
            if (label != null) {
              String customText = MessageFormat.format(UNDO_ACTION_TEXT, new String[]{label});
              updateActions = updateActions || customText == null || previousUndoText == null || !customText.equals(previousUndoText);
              undoAction.setText(customText);
            }
            String desc = undoCommand.getDescription();
            if (desc != null) {
              String customDesc = MessageFormat.format(UNDO_ACTION_DESC, new String[]{desc});
              updateActions = updateActions || customDesc == null || previousRedoDesc == null || !customDesc.equals(previousUndoDesc);
              undoAction.setDescription(customDesc);
            }
          }
        }
        // get redo command
        Command redoCommand = undoManager.getRedoCommand();
        // set redo label and description
        if (redoAction != null) {
          redoAction.setEnabled(undoManager.redoable());
          if (redoCommand != null) {
            String label = redoCommand.getLabel();
            if (label != null) {
              String customText = MessageFormat.format(REDO_ACTION_TEXT, new String[]{label});
              updateActions = updateActions || customText == null || previousRedoText == null || !customText.equals(previousRedoText);
              redoAction.setText(customText);
            }
            String desc = redoCommand.getDescription();
            if (desc != null) {
              String customDesc = MessageFormat.format(REDO_ACTION_DESC, new String[]{desc});
              updateActions = updateActions || customDesc == null || previousRedoDesc == null || !customDesc.equals(previousRedoDesc);
              redoAction.setDescription(customDesc);
            }

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        redoAction.setDescription(REDO_ACTION_DESC_DEFAULT);
      }
      if (fStructuredModel.getUndoManager() != null) {
        IStructuredTextUndoManager undoManager = fStructuredModel.getUndoManager();
        // get undo command
        Command undoCommand = undoManager.getUndoCommand();
        // set undo label and description
        if (undoAction != null) {
          undoAction.setEnabled(undoManager.undoable());
          if (undoCommand != null) {
            String label = undoCommand.getLabel();
            if (label != null) {
              String customText = MessageFormat.format(UNDO_ACTION_TEXT, new String[]{label});
              updateActions = updateActions || customText == null || previousUndoText == null || !customText.equals(previousUndoText);
              undoAction.setText(customText);
            }
            String desc = undoCommand.getDescription();
            if (desc != null) {
              String customDesc = MessageFormat.format(UNDO_ACTION_DESC, new String[]{desc});
              updateActions = updateActions || customDesc == null || previousRedoDesc == null || !customDesc.equals(previousUndoDesc);
              undoAction.setDescription(customDesc);
            }
          }
        }
        // get redo command
        Command redoCommand = undoManager.getRedoCommand();
        // set redo label and description
        if (redoAction != null) {
          redoAction.setEnabled(undoManager.redoable());
          if (redoCommand != null) {
            String label = redoCommand.getLabel();
            if (label != null) {
              String customText = MessageFormat.format(REDO_ACTION_TEXT, new String[]{label});
              updateActions = updateActions || customText == null || previousRedoText == null || !customText.equals(previousRedoText);
              redoAction.setText(customText);
            }
            String desc = redoCommand.getDescription();
            if (desc != null) {
              String customDesc = MessageFormat.format(REDO_ACTION_DESC, new String[]{desc});
              updateActions = updateActions || customDesc == null || previousRedoDesc == null || !customDesc.equals(previousRedoDesc);
              redoAction.setDescription(customDesc);
            }

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   */
  public void update() {
    IStructuredTextUndoManager undoManager = _designer.getHTMLEditor()
        .getModel().getUndoManager();
    if (_undo) {
      Command c = undoManager.getUndoCommand();
      this.setEnabled(undoManager.undoable());
      if (c != null) {
        String label = c.getLabel();
        this
            .setText(MessageFormat
                .format(
                    ActionsMessages
                        .getString("DesignerUndoRedoAction.UNDO_LABEL"), new Object[] { label })); //$NON-NLS-1$
      } else {
        this.setText(ActionsMessages
            .getString("DesignerUndoRedoAction.UNDO")); //$NON-NLS-1$
      }
    } else {
      Command c = undoManager.getRedoCommand();
      this.setEnabled(undoManager.redoable());
      if (c != null) {
        String label = c.getLabel();
        this
            .setText(MessageFormat
                .format(
                    ActionsMessages
                        .getString("DesignerUndoRedoAction.REDO_LABEL"), new Object[] { label })); //$NON-NLS-1$

View Full Code Here

                public void run() {
                  firePropertyChange(IEditorPart.PROP_DIRTY);


                  // Try to select the affected objects.
                  //
                  Command mostRecentCommand = ((CommandStack)event.getSource()).getMostRecentCommand();
                  if (mostRecentCommand != null) {
                    setSelectionToViewer(mostRecentCommand.getAffectedObjects());
                  }
                  if (propertySheetPage != null && !propertySheetPage.getControl().isDisposed()) {
                    propertySheetPage.refresh();
                  }
                }

View Full Code Here

                public void run() {
                  firePropertyChange(IEditorPart.PROP_DIRTY);


                  // Try to select the affected objects.
                  //
                  Command mostRecentCommand = ((CommandStack)event.getSource()).getMostRecentCommand();
                  if (mostRecentCommand != null) {
                    setSelectionToViewer(mostRecentCommand.getAffectedObjects());
                  }
                  if (propertySheetPage != null && !propertySheetPage.getControl().isDisposed()) {
                    propertySheetPage.refresh();
                  }
                }

View Full Code Here

                public void run() {
                  firePropertyChange(IEditorPart.PROP_DIRTY);


                  // Try to select the affected objects.
                  //
                  Command mostRecentCommand = ((CommandStack)event.getSource()).getMostRecentCommand();
                  if (mostRecentCommand != null) {
                    setSelectionToViewer(mostRecentCommand.getAffectedObjects());
                  }
                  if (propertySheetPage != null && !propertySheetPage.getControl().isDisposed()) {
                    propertySheetPage.refresh();
                  }
                }

View Full Code Here

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