| /******************************************************************************* |
| * 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.actions; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.bpel.ui.Messages; |
| import org.eclipse.bpel.ui.editparts.FlowEditPart; |
| import org.eclipse.bpel.ui.util.BPELUtil; |
| import org.eclipse.bpel.ui.util.ModelHelper; |
| import org.eclipse.draw2d.XYLayout; |
| import org.eclipse.gef.EditPart; |
| import org.eclipse.gef.ui.actions.SelectionAction; |
| import org.eclipse.ui.IWorkbenchPart; |
| |
| |
| public class AutoArrangeFlowsAction extends SelectionAction { |
| |
| public final static String ACTION_ID = "AutoArrangeFlowsAction"; //$NON-NLS-1$ |
| |
| public AutoArrangeFlowsAction(IWorkbenchPart part) { |
| super(part); |
| setId(ACTION_ID); |
| setText(Messages.AutoArrangeFlowsAction_Arrange_Flow_Contents_2); |
| setToolTipText(Messages.AutoArrangeFlowsAction_Auto_arrange_flow_contents_3); |
| } |
| |
| protected boolean isFreeform(FlowEditPart flowEditPart) { |
| return (flowEditPart.getContentPane().getLayoutManager() instanceof XYLayout); |
| } |
| |
| boolean hasTargetFlows(List selectedObjects) { |
| boolean foundFlow = false; |
| for (Iterator it = selectedObjects.iterator(); it.hasNext(); ) { |
| Object object = it.next(); |
| if (object instanceof FlowEditPart) { |
| foundFlow = true; |
| if (isFreeform((FlowEditPart)object)) return true; |
| } |
| } |
| if (!foundFlow) { |
| // There are no flows selected. Instead, return any FlowEditParts which are |
| // parents of a selected object and are freeform. |
| for (Iterator it = selectedObjects.iterator(); it.hasNext(); ) { |
| Object object = it.next(); |
| if (object instanceof EditPart) { |
| object = ((EditPart)object).getParent(); |
| if (object instanceof FlowEditPart) { |
| foundFlow = true; |
| if (isFreeform((FlowEditPart)object)) return true; |
| } |
| } |
| } |
| } |
| return false; |
| } |
| |
| List getTargetFlows(List selectedObjects) { |
| // Return all FlowEditParts which are selected and freeform. |
| boolean foundFlow = false; |
| List result = new ArrayList(); |
| for (Iterator it = selectedObjects.iterator(); it.hasNext(); ) { |
| Object object = it.next(); |
| if (object instanceof FlowEditPart) { |
| foundFlow = true; |
| if (isFreeform((FlowEditPart)object)) result.add(object); |
| } |
| } |
| if (!foundFlow) { |
| // There are no flows selected. Instead, return any FlowEditParts which are |
| // parents of a selected object and are freeform. |
| for (Iterator it = selectedObjects.iterator(); it.hasNext(); ) { |
| Object object = it.next(); |
| if (object instanceof EditPart) { |
| object = ((EditPart)object).getParent(); |
| if (object instanceof FlowEditPart) { |
| foundFlow = true; |
| if (isFreeform((FlowEditPart)object)) result.add(object); |
| } |
| } |
| } |
| } |
| if (result.isEmpty()) return Collections.EMPTY_LIST; |
| |
| BPELUtil.sortFlowList(result); |
| |
| return result; |
| } |
| |
| @Override |
| public void run() { |
| List flowsList = getTargetFlows(getSelectedObjects()); |
| for (Iterator it = flowsList.iterator(); it.hasNext(); ) { |
| ((FlowEditPart)it.next()).doAutoLayout(); |
| } |
| } |
| |
| @Override |
| protected boolean calculateEnabled() { |
| List sel = getSelectedObjects(); |
| return sel.size() > 0 && |
| hasTargetFlows(sel) && |
| !ModelHelper.getBPELEditor(((EditPart)sel.get(0)).getModel()).getAutoFlowLayout(); |
| } |
| |
| @Override |
| public boolean isChecked() { |
| // TODO: make auto-arrange sticky in the future? (would need other support) |
| return false; |
| } |
| } |