| /******************************************************************************* |
| * Copyright (c) 2001, 2008 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.wst.xsd.ui.internal.design.editparts; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.draw2d.IFigure; |
| import org.eclipse.gef.EditPart; |
| import org.eclipse.wst.xsd.ui.internal.adapters.XSDAdapterFactory; |
| import org.eclipse.wst.xsd.ui.internal.adapters.XSDModelGroupDefinitionAdapter; |
| import org.eclipse.wst.xsd.ui.internal.adt.design.editparts.BaseEditPart; |
| import org.eclipse.wst.xsd.ui.internal.adt.design.editparts.CenteredConnectionAnchor; |
| import org.eclipse.wst.xsd.ui.internal.design.editparts.model.TargetConnectionSpaceFiller; |
| import org.eclipse.wst.xsd.ui.internal.design.figures.GenericGroupFigure; |
| import org.eclipse.xsd.XSDModelGroup; |
| import org.eclipse.xsd.XSDModelGroupDefinition; |
| |
| public class ModelGroupDefinitionReferenceEditPart extends ConnectableEditPart |
| { |
| GenericGroupFigure figure; |
| |
| public ModelGroupDefinitionReferenceEditPart() |
| { |
| super(); |
| } |
| |
| protected IFigure createFigure() |
| { |
| figure = new GenericGroupFigure(); |
| return figure; |
| } |
| |
| protected void refreshVisuals() |
| { |
| super.refreshVisuals(); |
| XSDModelGroupDefinitionAdapter adapter = (XSDModelGroupDefinitionAdapter)getModel(); |
| figure.getIconFigure().image = adapter.getImage(); |
| |
| GenericGroupFigure groupFigure = (GenericGroupFigure)getFigure(); |
| String nodeName = ""; |
| |
| // TODO: commmon this up with ModelGroupEditPart, XSDParticleAdapter's code |
| |
| // -2 means the user didn't specify (so the default is 1) |
| int minOccurs = adapter.getMinOccurs(); |
| int maxOccurs = adapter.getMaxOccurs(); |
| String occurenceDescription = ""; //$NON-NLS-1$ |
| |
| if (minOccurs == -3 && maxOccurs == -3) |
| { |
| occurenceDescription = nodeName; |
| groupFigure.setText(null); |
| } |
| else if (minOccurs == 0 && (maxOccurs == -2 || maxOccurs == 1)) |
| { |
| occurenceDescription = nodeName + " [0..1]"; //$NON-NLS-1$ |
| groupFigure.setText("0..1"); |
| } |
| else if ((minOccurs == 1 && maxOccurs == 1) || |
| (minOccurs == -2 && maxOccurs == 1) || |
| (minOccurs == 1 && maxOccurs == -2)) |
| { |
| occurenceDescription = nodeName + " [1..1]"; //$NON-NLS-1$ |
| groupFigure.setText("1..1"); |
| } |
| else if (minOccurs == -2 && maxOccurs == -2) |
| { |
| occurenceDescription = nodeName; |
| groupFigure.setText(null); |
| } |
| else |
| { |
| if (maxOccurs == -2) maxOccurs = 1; |
| String maxSymbol = maxOccurs == -1 ? "*" : "" + maxOccurs; //$NON-NLS-1$ //$NON-NLS-2$ |
| |
| String minSymbol = minOccurs == -2 ? "1" : "" + minOccurs; //$NON-NLS-1$ //$NON-NLS-2$ |
| occurenceDescription = nodeName + " [" + minSymbol + ".." + maxSymbol + "]"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ |
| groupFigure.setText(minSymbol + ".." + maxSymbol); |
| } |
| |
| groupFigure.getIconFigure().setToolTipText(occurenceDescription); |
| groupFigure.getIconFigure().repaint(); |
| |
| } |
| |
| protected List getModelChildren() |
| { |
| List list = new ArrayList(); |
| |
| XSDModelGroupDefinitionAdapter adapter = (XSDModelGroupDefinitionAdapter)getModel(); |
| XSDModelGroupDefinition groupDef = ((XSDModelGroupDefinition) adapter.getTarget()); |
| XSDModelGroupDefinition resolvedGroupDef = groupDef.getResolvedModelGroupDefinition(); |
| XSDModelGroup xsdModelGroup = resolvedGroupDef.getModelGroup(); |
| |
| ArrayList listOfVisibleGroupRefs = new ArrayList(); |
| for (EditPart ep = getParent(); ep != null; ) |
| { |
| Object object = ep.getModel(); |
| if (object instanceof XSDModelGroupDefinitionAdapter) |
| { |
| Object model = ((XSDModelGroupDefinitionAdapter)object).getTarget(); |
| if (model instanceof XSDModelGroupDefinition) |
| { |
| listOfVisibleGroupRefs.add(((XSDModelGroupDefinition)model).getResolvedModelGroupDefinition()); |
| } |
| } |
| ep = ep.getParent(); |
| } |
| |
| boolean isCyclic = (listOfVisibleGroupRefs.contains(resolvedGroupDef)); |
| |
| if (xsdModelGroup != null && !isCyclic) |
| list.add(XSDAdapterFactory.getInstance().adapt(xsdModelGroup)); |
| |
| if (isCyclic) |
| list.add(new TargetConnectionSpaceFiller(null)); |
| |
| return list; |
| } |
| |
| public ReferenceConnection createConnectionFigure(BaseEditPart child) |
| { |
| ReferenceConnection connectionFigure = new ReferenceConnection(); |
| |
| connectionFigure.setSourceAnchor(new CenteredConnectionAnchor(((GenericGroupFigure)getFigure()).getIconFigure(), CenteredConnectionAnchor.RIGHT, 0, 0)); |
| if (child instanceof ModelGroupEditPart) |
| { |
| connectionFigure.setTargetAnchor(new CenteredConnectionAnchor(((ModelGroupEditPart) child).getTargetFigure(), CenteredConnectionAnchor.LEFT, 0, 0)); |
| } |
| else // for the cyclic group references |
| { |
| connectionFigure.setTargetAnchor(new CenteredConnectionAnchor(((GenericGroupFigure) getFigure()).getIconFigure(), CenteredConnectionAnchor.RIGHT, 0, 0)); |
| } |
| |
| connectionFigure.setHighlight(false); |
| |
| return connectionFigure; |
| } |
| } |