| /****************************************************************************** |
| * Copyright (c) 2009 Red Hat |
| * 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: |
| * Rob Stryker - initial implementation and ongoing maintenance |
| ******************************************************************************/ |
| package org.eclipse.wst.common.componentcore.ui.internal.propertypage; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.jface.viewers.ISelectionChangedListener; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.LabelProvider; |
| import org.eclipse.jface.viewers.SelectionChangedEvent; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.layout.FillLayout; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.wst.common.componentcore.ui.Messages; |
| import org.eclipse.wst.common.componentcore.ui.internal.propertypage.DependencyPageExtensionManager.ReferenceExtension; |
| import org.eclipse.wst.common.componentcore.ui.internal.taskwizard.IWizardHandle; |
| import org.eclipse.wst.common.componentcore.ui.internal.taskwizard.WizardFragment; |
| |
| public class NewReferenceRootWizardFragment extends WizardFragment { |
| protected Map<String, WizardFragment> fragmentMap = |
| new HashMap<String, WizardFragment>(); |
| private IWizardHandle wizard; |
| private TreeViewer viewer; |
| private ReferenceExtension[] extensions = null; |
| public NewReferenceRootWizardFragment(ReferenceExtension[] extensions) { |
| this.extensions = extensions != null ? extensions : |
| DependencyPageExtensionManager.getManager().getExposedReferenceExtensions(); |
| if( this.extensions.length == 0 ) |
| setComplete(false); |
| } |
| |
| public boolean hasComposite() { |
| return true; |
| } |
| |
| public Composite createComposite(Composite parent, IWizardHandle wizard) { |
| this.wizard = wizard; |
| wizard.setTitle(Messages.NewReferenceTitle); |
| wizard.setDescription(Messages.NewReferenceDescription); |
| Composite c = new Composite(parent, SWT.NONE); |
| c.setLayout(new FillLayout()); |
| viewer = new TreeViewer(c, SWT.SINGLE | SWT.BORDER); |
| viewer.setLabelProvider(getLabelProvider()); |
| viewer.setContentProvider(getContentProvider()); |
| viewer.setInput(ResourcesPlugin.getWorkspace()); |
| viewer.addSelectionChangedListener(new ISelectionChangedListener() { |
| public void selectionChanged(SelectionChangedEvent event) { |
| viewerSelectionChanged(); |
| } |
| }); |
| return c; |
| } |
| |
| protected void viewerSelectionChanged() { |
| wizard.update(); |
| } |
| |
| protected WizardFragment getWizardFragment(String extensionPointID) { |
| try { |
| WizardFragment fragment = fragmentMap.get(extensionPointID); |
| if (fragment != null) |
| return fragment; |
| } catch (Exception e) { |
| // ignore |
| } |
| |
| WizardFragment fragment = DependencyPageExtensionManager.getManager().loadReferenceWizardFragment(extensionPointID); |
| if (fragment != null) |
| fragmentMap.put(extensionPointID, fragment); |
| return fragment; |
| } |
| |
| public List getChildFragments() { |
| List<WizardFragment> listImpl = new ArrayList<WizardFragment>(); |
| createChildFragments(listImpl); |
| return listImpl; |
| } |
| |
| protected void createChildFragments(List<WizardFragment> list) { |
| // Instantiate and add the fragment for the current ID |
| if( viewer != null ) { |
| IStructuredSelection sel = (IStructuredSelection)viewer.getSelection(); |
| ReferenceExtension selected = (ReferenceExtension)sel.getFirstElement(); |
| if( selected != null ) { |
| WizardFragment child = getWizardFragment(selected.getId()); |
| if( child != null ) |
| list.add(child); |
| } |
| } |
| } |
| |
| public boolean isComplete() { |
| return true; |
| } |
| |
| |
| private LabelProvider labelProvider = null; |
| private ITreeContentProvider contentProvider = null; |
| protected LabelProvider getLabelProvider() { |
| if( labelProvider == null ) { |
| labelProvider = new LabelProvider() { |
| public Image getImage(Object element) { |
| if( element instanceof ReferenceExtension) |
| return ((ReferenceExtension)element).getImage(); |
| return null; |
| } |
| public String getText(Object element) { |
| if( element instanceof ReferenceExtension) |
| return ((ReferenceExtension)element).getName(); |
| return element == null ? "" : element.toString();//$NON-NLS-1$ |
| } |
| public void dispose() { |
| super.dispose(); |
| if( extensions != null ) { |
| for( int i = 0; i < extensions.length; i++) { |
| extensions[i].disposeImage(); |
| } |
| } |
| } |
| }; |
| } |
| return labelProvider; |
| } |
| |
| protected ITreeContentProvider getContentProvider() { |
| if( contentProvider == null ) { |
| contentProvider = new ITreeContentProvider() { |
| public Object[] getElements(Object inputElement) { |
| return extensions; |
| } |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| } |
| public void dispose() { |
| } |
| public boolean hasChildren(Object element) { |
| return false; |
| } |
| public Object getParent(Object element) { |
| return null; |
| } |
| public Object[] getChildren(Object parentElement) { |
| return null; |
| } |
| }; |
| } |
| return contentProvider; |
| } |
| } |