Java EditPartViewer类代码示例

import org.eclipse.gef.EditPartViewer; //导入依赖的package包/类
@Override protected void performCreation(int button) {
	super.performCreation(button);
	
	EditPartViewer viewer = getCurrentViewer();
	final Object model = getCreateRequest().getNewObject();
	if (model == null || viewer == null) {
		return;
	}
	
	final Object o = getCurrentViewer().getEditPartRegistry().get(model);
	if(o instanceof EditPart) {
		Display.getCurrent().asyncExec(new Runnable() {
			
			@Override public void run() {
				EditPart part = (EditPart)o;
				Request request = new DirectEditRequest();
				part.performRequest(request);
			}
		});
	}
}
 

import org.eclipse.gef.EditPartViewer; //导入依赖的package包/类
public Object getAdapter(Class adapter) {

		if (adapter == GraphicalViewer.class || adapter == EditPartViewer.class)
			return getGraphicalViewer();
		else if (adapter == CommandStack.class)
			return getCommandStack();
		else if (adapter == EditDomain.class)
			return getEditDomain();
		else if (adapter == ActionRegistry.class)
			return getActionRegistry();
		else if (adapter == IPropertySheetPage.class)
			return new PropertiesView(true);
		else if (adapter == IContentOutlinePage.class) {
			return new GW4EOutlinePage();
		} else if (adapter == ZoomManager.class)
			return ((ScalableRootEditPart) getGraphicalViewer().getRootEditPart()).getZoomManager();
		return super.getAdapter(adapter);
	}
 

import org.eclipse.gef.EditPartViewer; //导入依赖的package包/类
/**
 * @see nexcore.tool.uml.ui.core.diagram.edit.policy.DiagramLayoutEditPolicy#createChangeConstraintCommand(org.eclipse.gef.EditPart,
 *      java.lang.Object)
 */
protected Command createChangeConstraintCommand(EditPart child, Object constraint) {
    ChangeNodeConstraintCommand command = new ChangeNodeConstraintCommand(child, constraint);

    List<EditPartViewer> editPartList = child.getViewer().getSelectedEditParts();
    EditPart editPart;
    boolean isLabel = false;
    boolean isNotLabel = false;
    for (int i = 0; i < editPartList.size(); i++) {
        editPart = (EditPart) editPartList.get(i);
        if (editPart instanceof LabelNodeEditPart || editPart instanceof CompartmentLabelNodeEditPart) {
            isLabel = true;
        } else if (!(editPart instanceof LabelNodeEditPart)) {
            isNotLabel = true;
        }

        if (isLabel && isNotLabel) {
            command.setCommandIsFalse(false);
        }
    }
    return command;
}
 

import org.eclipse.gef.EditPartViewer; //导入依赖的package包/类
/**
 * @see org.eclipse.gef.tools.AbstractTool#keyUp(org.eclipse.swt.events.KeyEvent,
 *      org.eclipse.gef.EditPartViewer)
 */
@Override
public void keyUp(KeyEvent evt, EditPartViewer viewer) {
    if ((evt.stateMask & SWT.SHIFT) == SWT.SHIFT) {
        isShiftKeyPressed = false;
    }
    super.keyUp(evt, viewer);
}
 

import org.eclipse.gef.EditPartViewer; //导入依赖的package包/类
/**
 * @see org.eclipse.gef.tools.SelectionTool#getTargetingConditional()
 */
@Override
protected Conditional getTargetingConditional() {
    return new EditPartViewer.Conditional() {
        public boolean evaluate(EditPart editpart) {
            if(editpart instanceof LifeLineEditPart) {
                if(getLocation().y >= FigureConstant.FIGURE_LIFELINE_TOP_MARGIN + FigureConstant.FIGURE_LIFELINE_HEAD_HEIGHT) {
                    Rectangle bounds = ((LifeLineEditPart) editpart).getFigure().getBounds();
                    if(bounds.x + bounds.width/2 - LineEditPart.LINE_SELECTABLE_WIDTH/2 <= getLocation().x
                        && bounds.x + bounds.width/2 + LineEditPart.LINE_SELECTABLE_WIDTH/2 >= getLocation().x) {
                        return editpart.isSelectable();  
                    } else {
                        return false;                            
                    }
                } else {
                    return editpart.isSelectable();                                   
                }         
            } else {
                return editpart.isSelectable();
            }
        }
    };
}
 

import org.eclipse.gef.EditPartViewer; //导入依赖的package包/类
/**
 * @see org.eclipse.gef.tools.SelectionTool#mouseDrag(org.eclipse.swt.events.MouseEvent,
 *      org.eclipse.gef.EditPartViewer)
 */
@Override
public void mouseDrag(MouseEvent e, EditPartViewer viewer) {
    // System.out.println(this.getTargetEditPart());
    // DragTracker dragTacker = this.getDragTracker();
    // if(getTargetEditPart() instanceof UseCaseEditPart){
    // int i=0;
    // }
    // if (dragTacker instanceof ConnectionEndpointTracker) {
    // ConnectionEndpointTracker c = (ConnectionEndpointTracker)dragTacker;
    // Object obj =
    // ((StructuredSelection)this.getCurrentViewer().getSelection()).getFirstElement();
    // Command command = getTargetEditPart().getCommand(getTargetRequest());
    // if (!(command instanceof UnexecutableCommand)) {
    // int i = 0;
    // }
    // }
    super.mouseDrag(e, viewer);
}
 

import org.eclipse.gef.EditPartViewer; //导入依赖的package包/类
@Override
@SuppressWarnings({ "rawtypes", "unchecked" })
protected void createResizeHandle(List handles, final int direction) {
	handles.add(new ResizeHandle(getHost(), direction) {
		@Override
		protected DragTracker createDragTracker() {
			return new ResizeTracker(getHost(), direction) {
				@Override
				public void mouseDrag(MouseEvent event, EditPartViewer viewer) {
					event.stateMask |= SWT.SHIFT;
					super.mouseDrag(event, viewer);
				}
			};
		};
	});
}
 

import org.eclipse.gef.EditPartViewer; //导入依赖的package包/类
@Override
public boolean keyPressed(KeyEvent event) {
	if (UIUtil.isArrowKey(event.keyCode)) {
		EditPartViewer viewer = getViewer();
		if (viewer instanceof GraphicalViewer) {
			JSSCompoundCommand ccmd = new JSSCompoundCommand(null);
			for(Object selectedEditPart : getViewer().getSelectedEditParts()) {
				if (selectedEditPart instanceof GraphicalEditPart) {
					Object modelObj = ((EditPart) selectedEditPart).getModel();
					if(modelObj instanceof MGraphicElement) {
						MGraphicElement node = (MGraphicElement) modelObj;
						ccmd.add(getNewXYCommand(event.keyCode,node));
					}
				}
			}
			if(!ccmd.isEmpty()) {
				getViewer().getEditDomain().getCommandStack().execute(ccmd);
				return true;
			}	
		}
	}
	return super.keyPressed(event);
}
 

import org.eclipse.gef.EditPartViewer; //导入依赖的package包/类
@Override
protected boolean handleKeyDown(KeyEvent e) {
	if (isInState(STATE_INITIAL) && UIUtil.isArrowKey(e.keyCode)) {
		EditPartViewer viewer = getCurrentViewer();
		if (viewer instanceof GraphicalViewer) {
			JSSCompoundCommand ccmd = new JSSCompoundCommand(null);
			for(Object selectedEditPart : getCurrentViewer().getSelectedEditParts()) {
				if (selectedEditPart instanceof GraphicalEditPart) {
					Object modelObj = ((EditPart) selectedEditPart).getModel();
					if(modelObj instanceof MGraphicElement) {
						MGraphicElement node = (MGraphicElement) modelObj;
						ccmd.add(getNewXYCommand(e.keyCode,node));
					}
				}
			}
			if(!ccmd.isEmpty()) {
				getDomain().getCommandStack().execute(ccmd);
				return true;
			}	
		}
	}
	return super.handleKeyDown(e);
}
 

import org.eclipse.gef.EditPartViewer; //导入依赖的package包/类
@Override
public void mouseDown(MouseEvent e, EditPartViewer viewer) {
    if (viewer.getContents() instanceof AbstractModelEditPart) {
        // マウスポインタがクリックされた位置を記録する。コピーしたオブジェクトの貼り付け位置として使う、等。
        final AbstractModelEditPart editPart = (AbstractModelEditPart) viewer.getContents();
        final IERDiagram diagram = (IERDiagram) editPart.getModel();
        diagram.setMousePoint(new Point(e.x, e.y));
        editPart.getFigure().translateToRelative(diagram.getMousePoint());

        final ERFluteMultiPageEditor multiPageEditor = diagram.getEditor();
        final int QUICK_OUTLINE_OPEN_BUTTON = 2;
        if (e.button == QUICK_OUTLINE_OPEN_BUTTON && multiPageEditor != null) {
            final MainDiagramEditor mainDiagramEditor = (MainDiagramEditor) multiPageEditor.getActiveEditor();
            mainDiagramEditor.runERDiagramQuickOutlineAction();
        }
    }

    super.mouseDown(e, viewer);
}
 

import org.eclipse.gef.EditPartViewer; //导入依赖的package包/类
protected EditPart getTargetEditPart( )
{
	if ( targetPart == null )
	{
		EditPartViewer viewer = UIUtil.getLayoutEditPartViewer( );
		if ( viewer == null )
		{
			return null;
		}
		IStructuredSelection targets = (IStructuredSelection) viewer.getSelection( );
		if ( targets.isEmpty( ) && targets.size( ) > 1 )
			return null;
		targetPart = (EditPart) targets.getFirstElement( );
	}
	return targetPart;
}
 

import org.eclipse.gef.EditPartViewer; //导入依赖的package包/类
/**
 * Overriden for debug purposes.
 * Note: the drop is actually performed in the DropEditPolicy.
 */
@Override
protected void handleDrop() {
	trace.debug("handleDrop");
	updateTargetRequest();
	updateTargetEditPart();
	if (getTargetEditPart() != null) {
		final Command command = getCommand();
		if (command != null && command.canExecute()) {
			EditPartViewer viewer = getViewer();
			final CommandStack commandStack = viewer.getEditDomain().getCommandStack();
			WidgetUtils.runLaterInDisplayThread(viewer.getControl(), new Runnable() {
				@Override
				public void run() {
					commandStack.execute(command);
				}
			});
		} else {
			getCurrentEvent().detail = DND.DROP_NONE;
		}
	} else {
		getCurrentEvent().detail = DND.DROP_NONE;
	}
}
 

import org.eclipse.gef.EditPartViewer; //导入依赖的package包/类
/**
 * After the creation of a {@link NamedElement} through a pallet entry this method is called. This method
 * send a {@link DirectEditRequest} to the edit part of the just created {@link NamedElement}. Through the
 * request can the user edit the name of the NamedElement direct after the creation of the NamedElement.
 * 
 * */
@Override
protected void performCreation(final int button) {
  super.performCreation(button);

  final EditPartViewer viewer = getCurrentViewer();
  final Object model = getCreateRequest().getNewObject();
  if (model == null || viewer == null) {
    return;
  }

  final Object o = getCurrentViewer().getEditPartRegistry().get(model);
  if (o instanceof EditPart) {
    Display.getCurrent().asyncExec(new Runnable() {

      @Override
      public void run() {
        final EditPart part = (EditPart) o;
        final Request request = new DirectEditRequest();
        part.performRequest(request);
      }
    });
  }
}
 

import org.eclipse.gef.EditPartViewer; //导入依赖的package包/类
public static void validateFixedColumnWidth(ExtendedItemHandle handle)
{
	EditPartViewer viewer = UIUtil.getLayoutEditPartViewer( );
	Object obj = viewer.getEditPartRegistry( ).get( handle );
	if (!(obj instanceof CrosstabTableEditPart))
	{
		return;
	}
	CrosstabTableEditPart part = (CrosstabTableEditPart)obj;
	Dimension tableSize = part.getFigure( ).getSize( );

	part.getCrosstabHandleAdapter( )
			.setWidth( converPixToDefaultUnit( tableSize.width, part),
					getDefaultUnits(part ) );
	
	adjustOthersColumn( new ArrayList( ), part,  getAdjustValue( part ));
}
 

import org.eclipse.gef.EditPartViewer; //导入依赖的package包/类
@Override
public void buildContextMenu(final IMenuManager manager)
{
  final EditPartViewer viewer = getViewer();
  final IStructuredSelection selection = (IStructuredSelection) viewer.getSelection();
  if (!selection.isEmpty())
  {
    final EditPart part = (EditPart) selection.getFirstElement();
    if (part instanceof ContourEditPart)
    {
      if (part.getModel() instanceof IContour)
      {
        buildContextMenuFor((IContour) part.getModel(), manager);
      }
    }
  }
  manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
}