| /******************************************************************************* |
| * Copyright (c) 2005, 2012 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.bpel.ui.editparts; |
| |
| import org.eclipse.bpel.model.CompensationHandler; |
| import org.eclipse.bpel.model.EventHandler; |
| import org.eclipse.bpel.model.TerminationHandler; |
| import org.eclipse.bpel.ui.BPELUIPlugin; |
| import org.eclipse.bpel.ui.IBPELUIConstants; |
| import org.eclipse.bpel.ui.editparts.borders.RoundRectangleBorderWithDecoration; |
| import org.eclipse.bpel.ui.editparts.policies.BPELContainerEditPolicy; |
| import org.eclipse.bpel.ui.editparts.policies.BPELOrderedLayoutEditPolicy; |
| import org.eclipse.bpel.ui.editparts.policies.ContainerHighlightEditPolicy; |
| import org.eclipse.bpel.ui.figures.ILayoutAware; |
| import org.eclipse.bpel.ui.util.ModelHelper; |
| import org.eclipse.draw2d.Border; |
| import org.eclipse.draw2d.Figure; |
| import org.eclipse.draw2d.FlowLayout; |
| import org.eclipse.draw2d.IFigure; |
| import org.eclipse.draw2d.MarginBorder; |
| import org.eclipse.draw2d.geometry.Insets; |
| import org.eclipse.gef.EditPolicy; |
| import org.eclipse.swt.graphics.Image; |
| |
| |
| public class FaultHandlerEditPart extends BPELEditPart implements ILayoutAware{ |
| |
| private Image image; |
| |
| private IFigure contentPane; |
| |
| private Border containerBorder; |
| |
| public static final int LEFT_MARGIN = 30; |
| |
| @Override |
| protected void createEditPolicies() { |
| super.createEditPolicies(); |
| |
| // Show the selection rectangle |
| installEditPolicy(EditPolicy.SELECTION_FEEDBACK_ROLE, new ContainerHighlightEditPolicy(false, false)); |
| |
| installEditPolicy(EditPolicy.CONTAINER_ROLE, new BPELContainerEditPolicy()); |
| |
| installEditPolicy(EditPolicy.LAYOUT_ROLE, new BPELOrderedLayoutEditPolicy()); |
| } |
| |
| @Override |
| protected IFigure createFigure() { |
| IFigure figure = new Figure(); |
| FlowLayout layout = new FlowLayout(); |
| layout.setMinorAlignment(FlowLayout.ALIGN_CENTER); |
| boolean vertical = (getModel() instanceof CompensationHandler) || (getModel() instanceof TerminationHandler); |
| boolean horizontalLayout = ModelHelper.isHorizontalLayout(getModel()); |
| layout.setHorizontal(horizontalLayout ? vertical : !vertical); |
| figure.setLayoutManager(layout); |
| if (image == null) { |
| // Get Image from registry |
| if (getModel() instanceof EventHandler) { |
| image = BPELUIPlugin.INSTANCE.getImage(IBPELUIConstants.ICON_EVENT_INDICATOR); |
| } else if (getModel() instanceof CompensationHandler) { |
| image = BPELUIPlugin.INSTANCE.getImage(IBPELUIConstants.ICON_COMPENSATION_INDICATOR); |
| } else if (getModel() instanceof TerminationHandler) { |
| image = BPELUIPlugin.INSTANCE.getImage(IBPELUIConstants.ICON_TERMINATION_INDICATOR); |
| } else { |
| image = BPELUIPlugin.INSTANCE.getImage(IBPELUIConstants.ICON_FAULT_INDICATOR); |
| } |
| } |
| figure.setBorder(new RoundRectangleBorderWithDecoration(figure, image, new Insets(20, 10, 20, 10))); |
| figure.setOpaque(true); |
| |
| this.contentPane = figure; |
| |
| int topMargin = calcTopMargin(horizontalLayout); |
| int leftMargin = calcLeftMargin(horizontalLayout); |
| |
| IFigure container = new Figure(); |
| this.containerBorder = new MarginBorder(topMargin,leftMargin,0,0); |
| container.setBorder(containerBorder); |
| container.add(figure); |
| layout = new FlowLayout(); |
| layout.setHorizontal(false); |
| container.setLayoutManager(layout); |
| return container; |
| } |
| |
| @Override |
| public void deactivate() { |
| if (!isActive()) return; |
| super.deactivate(); |
| if (this.image != null) { |
| //this.image.dispose(); |
| this.image = null; |
| } |
| |
| } |
| |
| @Override |
| public IFigure getContentPane() { |
| return contentPane; |
| } |
| |
| public void switchLayout(boolean horizontal) { |
| boolean vertical = (getModel() instanceof CompensationHandler) || (getModel() instanceof TerminationHandler); |
| boolean horizontalLayout = ModelHelper.isHorizontalLayout(getModel()); |
| |
| ((FlowLayout)getContentPane().getLayoutManager()).setHorizontal(horizontalLayout ? vertical : !vertical); |
| |
| int leftMargin = calcLeftMargin(horizontal); |
| int topMargin = calcTopMargin(horizontal); |
| getFigure().setBorder(new MarginBorder(topMargin,leftMargin,0,0)); |
| } |
| |
| /** |
| * Calculates the top margin regarding the layout orientation |
| * @return |
| */ |
| private int calcTopMargin(boolean horizontal){ |
| int topMargin = 0; |
| if(horizontal){ |
| topMargin = 2; |
| }else{ |
| if(getParent() instanceof ScopeEditPart){ |
| // Four possible handlers |
| topMargin = 42; |
| }else if(getParent() instanceof InvokeEditPart){ |
| // Standard offset |
| topMargin = 17; |
| }else |
| topMargin = 16; |
| } |
| return topMargin; |
| } |
| |
| /** |
| * Calculates the left margin regarding the layout orientation |
| * @return |
| */ |
| private int calcLeftMargin(boolean horizontal){ |
| int leftMargin = 0; |
| if(horizontal && getParent() instanceof ProcessEditPart){ |
| leftMargin = LEFT_MARGIN; |
| } |
| |
| return leftMargin; |
| } |
| } |