コード例 #1
0
  @Override
  protected boolean handleButtonUp(int button) {
    try {
      if (internalResizeCommand != null) internalResizeCommand.undo(null, null);
    } catch (ExecutionException e) {
    }

    return super.handleButtonUp(button);
  }
コード例 #2
0
  @Override
  protected boolean handleDragStarted() {
    // TODO Auto-generated method stub
    boolean b = super.handleDragStarted();

    CustomRegionResizableEditPolicy policy =
        (CustomRegionResizableEditPolicy) regionEP.getEditPolicy(EditPolicy.PRIMARY_DRAG_ROLE);

    regionEP.setSelected(EditPart.SELECTED_NONE);

    View regionView = (View) regionEP.getModel();
    IAdaptable adaptableForRegion = new SemanticAdapter(null, regionView);

    ChangeBoundsRequest internalResizeRequest = new ChangeBoundsRequest();
    int regionWidth = Zone.getWidth(regionView);
    int regionHeight = Zone.getHeight(regionView);

    RegionFigure regionFigure = regionEP.getPrimaryShape();
    regionFigureBounds = regionFigure.getBounds().getCopy();
    // transform the coordinates to absolute
    regionFigure.translateToAbsolute(regionFigureBounds);

    String zone = Zone.getZone(regionView);
    if (Zone.isRight(zone)) {
      internalResizeRequest.setResizeDirection(PositionConstants.WEST);
      internalResizeRequest.setSizeDelta(new Dimension(-regionWidth, 0));
    } else if (Zone.isLeft(zone)) {
      internalResizeRequest.setResizeDirection(PositionConstants.EAST);
      internalResizeRequest.setSizeDelta(new Dimension(-regionWidth, 0));
    } else if (Zone.isTop(zone)) {
      internalResizeRequest.setResizeDirection(PositionConstants.SOUTH);
      internalResizeRequest.setSizeDelta(new Dimension(0, -regionHeight));
    } else if (Zone.isBottom(zone)) {
      internalResizeRequest.setResizeDirection(PositionConstants.NORTH);
      internalResizeRequest.setSizeDelta(new Dimension(0, -regionHeight));
    }

    internalResizeCommand =
        new CustomRegionResizeCommand(
            adaptableForRegion,
            null,
            regionEP.getEditingDomain(),
            null,
            internalResizeRequest,
            null);

    try {
      internalResizeCommand.execute(null, null);
    } catch (ExecutionException e) {
    }

    return b;
  }