| /****************************************************************************** |
| * 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.jst.common.ui.internal.assembly.wizard; |
| |
| import java.util.ArrayList; |
| |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.internal.ui.wizards.buildpaths.CPVariableElement; |
| import org.eclipse.jdt.internal.ui.wizards.buildpaths.CPVariableElementLabelProvider; |
| 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.jst.common.ui.internal.Messages; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.layout.FormAttachment; |
| import org.eclipse.swt.layout.FormData; |
| import org.eclipse.swt.layout.FormLayout; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.ui.ISharedImages; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.wst.common.componentcore.ComponentCore; |
| import org.eclipse.wst.common.componentcore.internal.resources.VirtualArchiveComponent; |
| import org.eclipse.wst.common.componentcore.internal.resources.VirtualReference; |
| import org.eclipse.wst.common.componentcore.resources.IVirtualComponent; |
| import org.eclipse.wst.common.componentcore.resources.IVirtualReference; |
| import org.eclipse.wst.common.componentcore.ui.internal.taskwizard.IWizardHandle; |
| import org.eclipse.wst.common.componentcore.ui.internal.taskwizard.WizardFragment; |
| import org.eclipse.wst.common.componentcore.ui.propertypage.IReferenceWizardConstants; |
| |
| public class VariableReferenceWizardFragment extends WizardFragment { |
| protected LabelProvider labelProvider = null; |
| protected ITreeContentProvider contentProvider = null; |
| protected TreeViewer viewer; |
| protected IPath[] paths; |
| protected IWizardHandle handle; |
| protected Object selected = null; |
| boolean isComplete = false; |
| |
| public boolean isComplete() { |
| return isComplete; |
| } |
| |
| public boolean hasComposite() { |
| return true; |
| } |
| |
| @Override |
| public Composite createComposite(Composite parent, IWizardHandle handle) { |
| this.handle = handle; |
| handle.setTitle(Messages.VariableReferenceTitle); |
| handle.setDescription(Messages.VariableReferenceDescription); |
| |
| Composite c = new Composite(parent, SWT.NONE); |
| c.setLayout(new FormLayout()); |
| viewer = new TreeViewer(c, SWT.SINGLE | SWT.BORDER); |
| viewer.setContentProvider(getContentProvider()); |
| viewer.setLabelProvider(getLabelProvider()); |
| viewer.setInput(ResourcesPlugin.getWorkspace()); |
| viewer.addSelectionChangedListener(new ISelectionChangedListener() { |
| public void selectionChanged(SelectionChangedEvent event) { |
| handleNewSelection(); |
| } |
| }); |
| FormData fd = new FormData(); |
| fd.width = 390; |
| fd.height = 185; |
| fd.left = new FormAttachment(0, 5); |
| fd.top = new FormAttachment(0, 5); |
| fd.right = new FormAttachment(100, -5); |
| fd.bottom = new FormAttachment(100, -5); |
| viewer.getTree().setLayoutData(fd); |
| return c; |
| } |
| |
| protected void handleNewSelection() { |
| isComplete = true; |
| IStructuredSelection sel = (IStructuredSelection)viewer.getSelection(); |
| Object o = sel.getFirstElement(); |
| if( o == null ) { |
| isComplete = false; |
| selected = null; |
| } else { |
| selected = o; |
| IPath p = null; |
| if( o instanceof CPVariableElement) { |
| p = ((CPVariableElement)o).getPath(); |
| } else if( o instanceof ExtendedVariable) { |
| p = ((ExtendedVariable)o).element.getPath().append(((ExtendedVariable)o).pathAfterElement); |
| } |
| if(p == null || p.isEmpty() || p.toFile().isDirectory()) { |
| isComplete = false; |
| } |
| } |
| handle.update(); |
| } |
| |
| protected LabelProvider getLabelProvider() { |
| if (labelProvider == null) { |
| labelProvider= new VariablesLabelProvider(); |
| } |
| return labelProvider; |
| } |
| |
| public static class VariablesLabelProvider extends LabelProvider { |
| private CPVariableElementLabelProvider delegate = new CPVariableElementLabelProvider(false); |
| public Image getImage(Object element) { |
| if( element instanceof CPVariableElement) |
| return delegate.getImage(element); |
| if( element instanceof ExtendedVariable) { |
| if(((ExtendedVariable)element).isFolder()) |
| return PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_OBJ_FOLDER); |
| return PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_OBJ_FILE); |
| } |
| return null; |
| } |
| public String getText(Object element) { |
| if( element instanceof CPVariableElement) |
| return delegate.getText(element); |
| if( element instanceof ExtendedVariable) |
| return ((ExtendedVariable)element).pathAfterElement.lastSegment(); |
| return element == null ? "" : element.toString();//$NON-NLS-1$ |
| } |
| } |
| |
| public static class ExtendedVariable { |
| public CPVariableElement element; |
| public IPath pathAfterElement; |
| public ExtendedVariable(CPVariableElement e, IPath p) { |
| element = e; |
| pathAfterElement = p; |
| } |
| public boolean isFolder() { |
| return element.getPath().append(pathAfterElement).toFile().isDirectory(); |
| } |
| } |
| |
| private CPVariableElement[] elements; |
| private CPVariableElement[] initializeElements() { |
| String[] entries= JavaCore.getClasspathVariableNames(); |
| ArrayList elements= new ArrayList(entries.length); |
| for (int i= 0; i < entries.length; i++) { |
| String name= entries[i]; |
| IPath entryPath= JavaCore.getClasspathVariable(name); |
| if (entryPath != null) { |
| elements.add(new CPVariableElement(name, entryPath)); |
| } |
| } |
| return (CPVariableElement[]) elements.toArray(new CPVariableElement[elements.size()]); |
| } |
| |
| |
| protected ITreeContentProvider getContentProvider() { |
| if (contentProvider == null) { |
| contentProvider = new ITreeContentProvider() { |
| public Object[] getElements(Object inputElement) { |
| if( elements == null ) |
| elements = initializeElements(); |
| return elements; |
| } |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| } |
| public void dispose() { |
| } |
| public boolean hasChildren(Object element) { |
| return getChildren(element).length > 0; |
| } |
| public Object getParent(Object element) { |
| return null; |
| } |
| public Object[] getChildren(Object parentElement) { |
| if( parentElement instanceof CPVariableElement) { |
| if(((CPVariableElement)parentElement).getPath().toFile().isDirectory()) { |
| String[] names = ((CPVariableElement)parentElement).getPath().toFile().list(); |
| ExtendedVariable[] extensions = new ExtendedVariable[names.length]; |
| for( int i = 0; i < extensions.length; i++ ) |
| extensions[i] = new ExtendedVariable((CPVariableElement)parentElement, new Path(names[i])); |
| return extensions; |
| } |
| } |
| if( parentElement instanceof ExtendedVariable) { |
| ExtendedVariable p1 = (ExtendedVariable)parentElement; |
| IPath parentLoc = p1.element.getPath(); |
| parentLoc = parentLoc.append(p1.pathAfterElement); |
| String[] names = parentLoc.toFile().list(); |
| if( names != null ) { |
| ExtendedVariable[] extensions = new ExtendedVariable[names.length]; |
| for( int i = 0; i < extensions.length; i++ ) |
| extensions[i] = new ExtendedVariable(p1.element, p1.pathAfterElement.append(names[i])); |
| return extensions; |
| } |
| } |
| return new Object[]{}; |
| } |
| }; |
| } |
| return contentProvider; |
| } |
| |
| public void performFinish(IProgressMonitor monitor) throws CoreException { |
| IVirtualComponent rootComponent = (IVirtualComponent)getTaskModel().getObject(IReferenceWizardConstants.ROOT_COMPONENT); |
| String runtimeLoc = (String)getTaskModel().getObject(IReferenceWizardConstants.DEFAULT_LIBRARY_LOCATION); |
| if (selected != null ) { |
| ArrayList<IVirtualReference> refList = new ArrayList<IVirtualReference>(); |
| // for (int i = 0; i < selected.length; i++) { |
| IPath variablePath = getVariablePath(selected); |
| IPath resolvedPath = JavaCore.getResolvedVariablePath(variablePath); |
| java.io.File file = new java.io.File(resolvedPath.toOSString()); |
| if (file.isFile() && file.exists()) { |
| String type = VirtualArchiveComponent.VARARCHIVETYPE |
| + IPath.SEPARATOR; |
| IVirtualComponent archive = ComponentCore |
| .createArchiveComponent(rootComponent.getProject(), |
| type + variablePath.toString()); |
| VirtualReference ref = new VirtualReference(rootComponent, archive); |
| ref.setArchiveName(resolvedPath.lastSegment()); |
| if (runtimeLoc != null) { |
| ref.setRuntimePath(new Path(runtimeLoc).makeAbsolute()); |
| } |
| refList.add(ref); |
| } |
| // } |
| IVirtualReference[] finalRefs = refList.toArray(new IVirtualReference[refList.size()]); |
| getTaskModel().putObject(IReferenceWizardConstants.FINAL_REFERENCE, finalRefs); |
| } |
| } |
| |
| private IPath getVariablePath(Object selected) { |
| if( selected instanceof ExtendedVariable) { |
| ExtendedVariable s1 = (ExtendedVariable)selected; |
| return new Path(s1.element.getName()).append(s1.pathAfterElement); |
| } |
| return new Path(((CPVariableElement)selected).getName()); |
| } |
| } |