| /******************************************************************************* |
| * Copyright (c) 2001, 2004 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.graph; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.gef.EditPart; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.ISelectionChangedListener; |
| import org.eclipse.jface.viewers.ISelectionProvider; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.SelectionChangedEvent; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.SashForm; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.wst.xml.core.document.XMLNode; |
| import org.eclipse.wst.xsd.ui.internal.XSDEditor; |
| import org.eclipse.wst.xsd.ui.internal.util.ViewUtility; |
| import org.eclipse.xsd.XSDConcreteComponent; |
| import org.w3c.dom.Element; |
| |
| |
| |
| public class LinkedGraphViewer |
| { |
| |
| protected ISelectionProvider menuSelectionProvider; |
| protected XSDEditor editor; |
| protected BaseGraphicalViewer majorViewer, minorViewer; |
| |
| /** |
| * |
| */ |
| public LinkedGraphViewer(XSDEditor editor, ISelectionProvider selectionProvider) |
| { |
| menuSelectionProvider = selectionProvider; |
| this.editor = editor; |
| } |
| |
| public void setMajorViewer(BaseGraphicalViewer majorViewer) |
| { |
| this.majorViewer = majorViewer; |
| } |
| |
| public void setMinorViewer(BaseGraphicalViewer minorViewer) |
| { |
| this.minorViewer = minorViewer; |
| } |
| |
| protected Composite control; |
| protected SashForm sashForm; |
| |
| public Control createControl(Composite parent) |
| { |
| //control = new Composite(parent, SWT.DEFAULT); |
| |
| control = sashForm = new SashForm(parent, SWT.VERTICAL | SWT.BORDER); |
| sashForm.setLayoutData(ViewUtility.createFill()); |
| |
| majorViewer.createControl(sashForm); |
| minorViewer.createControl(sashForm); |
| // control.setLayout(new GridLayout()); |
| // control.setLayoutData(ViewUtility.createFill()); |
| return control; |
| } |
| |
| public void addSelectionChangedListener(ISelectionChangedListener selectionListener) |
| { |
| if (majorViewer != null) |
| { |
| majorViewer.addSelectionChangedListener(selectionListener); |
| majorViewer.addSelectionChangedListener(majorViewerListener); |
| } |
| if (minorViewer != null) |
| { |
| minorViewer.addSelectionChangedListener(selectionListener); |
| } |
| } |
| |
| /** |
| * @return Composite |
| */ |
| public Composite getControl() |
| { |
| return control; |
| } |
| |
| /** |
| * |
| */ |
| protected XSDConcreteComponent getInput() |
| { |
| return majorViewer.getInput(); |
| } |
| |
| /** |
| * @param schema |
| */ |
| protected void setInput(XSDConcreteComponent input) |
| { |
| majorViewer.setInput(input); |
| minorViewer.setInput(input); |
| } |
| |
| /** |
| * @param component |
| */ |
| public void setSelection(XSDConcreteComponent component) |
| { |
| majorViewer.setSelection(component); |
| } |
| |
| protected MajorViewerSelectionChangedListener majorViewerListener = new MajorViewerSelectionChangedListener(); |
| |
| private class MajorViewerSelectionChangedListener implements ISelectionChangedListener |
| { |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ISelectionChangedListener#selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent) |
| */ |
| public void selectionChanged(SelectionChangedEvent event) |
| { |
| ISelection editPartSelection = event.getSelection(); |
| List nodeList = new ArrayList(); |
| if (editPartSelection instanceof IStructuredSelection) |
| { |
| for (Iterator i = ((IStructuredSelection)editPartSelection).iterator(); i.hasNext(); ) |
| { |
| EditPart editPart = (EditPart)i.next(); |
| if (editPart != null) |
| { |
| Object model = editPart.getModel(); |
| if (model instanceof XSDConcreteComponent) |
| { |
| Element element = ((XSDConcreteComponent)model).getElement(); |
| |
| // this test ensures that we don't attempt to select an element for an external schema |
| // |
| if (element instanceof XMLNode) |
| { |
| // now update the minor viewer based on the selected component in the major viewer |
| minorViewer.setInput((XSDConcreteComponent)model); |
| minorViewer.setSelection((XSDConcreteComponent)model); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| } |
| |
| } |