| /******************************************************************************* |
| * Copyright (c) 2006, 2012 Oracle 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: |
| * Oracle Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.bpel.ui.dnd; |
| |
| import org.eclipse.bpel.ui.BPELEditor; |
| import org.eclipse.bpel.ui.BPELUIPlugin; |
| import org.eclipse.bpel.ui.commands.AddImportCommand; |
| import org.eclipse.bpel.ui.util.BrowseUtil; |
| import org.eclipse.emf.common.util.URI; |
| import org.eclipse.emf.ecore.resource.Resource; |
| import org.eclipse.emf.ecore.resource.ResourceSet; |
| import org.eclipse.gef.GraphicalViewer; |
| import org.eclipse.jface.util.TransferDropTargetListener; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.dnd.DND; |
| import org.eclipse.swt.dnd.DropTargetEvent; |
| import org.eclipse.swt.dnd.FileTransfer; |
| import org.eclipse.swt.dnd.Transfer; |
| import org.eclipse.swt.widgets.MessageBox; |
| import org.eclipse.wst.wsdl.Definition; |
| import org.eclipse.xsd.XSDSchema; |
| |
| |
| |
| /** |
| * @author Michal Chmielewski (michal.chmielewski@oracle.com) |
| * @date Nov 16, 2006 |
| * |
| */ |
| public class FileDropTargetListener implements TransferDropTargetListener { |
| |
| protected DropPopup fDropPopup; |
| |
| protected BPELEditor fEditor ; |
| |
| /** |
| * |
| * @param viewer |
| * @param editor |
| */ |
| |
| public FileDropTargetListener ( GraphicalViewer viewer, BPELEditor editor) { |
| super(); |
| fEditor = editor; |
| } |
| |
| |
| /** (non-Javadoc) |
| * @see org.eclipse.swt.dnd.DropTargetListener#dragEnter(org.eclipse.swt.dnd.DropTargetEvent) |
| */ |
| |
| public void dragEnter (DropTargetEvent event) { |
| |
| } |
| |
| /** |
| * @see org.eclipse.swt.dnd.DropTargetListener#dragLeave(org.eclipse.swt.dnd.DropTargetEvent) |
| */ |
| public void dragLeave (DropTargetEvent event) { |
| event.detail = DND.DROP_NONE; |
| } |
| |
| /** |
| * @see org.eclipse.swt.dnd.DropTargetListener#dragOperationChanged(org.eclipse.swt.dnd.DropTargetEvent) |
| */ |
| public void dragOperationChanged (DropTargetEvent event) { |
| |
| } |
| |
| /** |
| * @see org.eclipse.swt.dnd.DropTargetListener#dragOver(org.eclipse.swt.dnd.DropTargetEvent) |
| */ |
| public void dragOver (DropTargetEvent event) { |
| |
| } |
| |
| /** (non-Javadoc) |
| * @see org.eclipse.swt.dnd.DropTargetListener#drop(org.eclipse.swt.dnd.DropTargetEvent) |
| */ |
| public void drop (DropTargetEvent event) { |
| |
| if (getTransfer().isSupportedType(event.currentDataType)) { |
| |
| String [] files = (String[]) getFileTransfer().nativeToJava(event.dataTypes[0]); |
| if (files == null) { |
| return ; |
| } |
| |
| // Assume that these are WSDL or XSD files that make sense for inclusion into |
| // the BPEL process. |
| startImport(); |
| for(String f : files) { |
| URI uri = URI.createFileURI(f); |
| addImport(attemptLoad(uri), uri); |
| } |
| endImport(event); |
| } |
| |
| } |
| |
| |
| StringBuilder fBadDropPaths = new StringBuilder (256); |
| int fProssesedGoodDrops = 0; |
| int fProssesedBadDrops = 0; |
| |
| protected void startImport () { |
| fProssesedGoodDrops = 0; |
| fProssesedBadDrops = 0; |
| fBadDropPaths.setLength(0); |
| } |
| |
| protected void endImport (DropTargetEvent event ) { |
| |
| if (fProssesedGoodDrops > 0) { |
| fEditor.getSite().getShell().getDisplay().asyncExec( |
| new Runnable() { |
| public void run() { |
| fEditor.selectModelObject(fEditor.getProcess().getImports() ); |
| } |
| }); |
| } |
| |
| if (fProssesedBadDrops > 0) { |
| fEditor.getSite().getShell().getDisplay().asyncExec( |
| new Runnable() { |
| @SuppressWarnings("boxing") |
| public void run() { |
| final MessageBox mb = new MessageBox (fEditor.getSite().getShell(), |
| SWT.ICON_INFORMATION | SWT.OK ); |
| mb.setText(Messages.FileDropTargetListener_DropProblem); |
| mb.setMessage( |
| NLS.bind( |
| Messages.FileDropTargetListener_Message, |
| fProssesedBadDrops, |
| fBadDropPaths )); |
| mb.open(); |
| } |
| }); |
| } |
| } |
| |
| |
| protected void addImport ( Object result , URI f) { |
| String path = f.path(); |
| int x = path.lastIndexOf('/'); |
| if (x > 0) { |
| path = path.substring(x+1); |
| } |
| |
| if (result == null) { |
| fProssesedBadDrops += 1; |
| if (fBadDropPaths.length() > 0) { |
| fBadDropPaths.append(", "); //$NON-NLS-1$ |
| } |
| fBadDropPaths.append(path); |
| |
| } else if (result instanceof XSDSchema || result instanceof Definition) { |
| |
| AddImportCommand cmd = new AddImportCommand(fEditor.getProcess(), result ); |
| if (cmd.canDoExecute() && cmd.wouldCreateDuplicateImport() == false) { |
| fEditor.getCommandFramework().execute(cmd); |
| } |
| fProssesedGoodDrops += 1; |
| } |
| } |
| |
| |
| /** (non-Javadoc) |
| * @see org.eclipse.swt.dnd.DropTargetListener#dropAccept(org.eclipse.swt.dnd.DropTargetEvent) |
| */ |
| |
| public void dropAccept (DropTargetEvent event) { |
| if (isEnabled(event) == false) { |
| return ; |
| } |
| event.detail = DND.DROP_NONE; |
| } |
| |
| |
| protected Object attemptLoad ( URI uri ) { |
| |
| Resource resource = null; |
| ResourceSet editorResourceSet = fEditor.getResourceSet(); |
| |
| try { |
| resource = editorResourceSet.getResource(uri, true); |
| } catch (Throwable t) { |
| BPELUIPlugin.log(t); |
| return null ; |
| } |
| |
| if (resource.getContents().size() == 0) { |
| return null ; |
| } |
| |
| return resource.getContents().get(0); |
| } |
| |
| |
| /** (non-Javadoc) |
| * @see org.eclipse.jface.util.TransferDropTargetListener#getTransfer() |
| */ |
| public Transfer getTransfer() { |
| return FileTransfer.getInstance(); |
| } |
| |
| /** |
| * This is only needed because nativeToJava() in transfer is not public. Yikes. |
| * |
| * @return |
| */ |
| |
| public FileTransfer getFileTransfer () { |
| return (FileTransfer) getTransfer(); |
| } |
| |
| /** (non-Javadoc) |
| * @see org.eclipse.jface.util.TransferDropTargetListener#isEnabled(org.eclipse.swt.dnd.DropTargetEvent) |
| */ |
| public boolean isEnabled (DropTargetEvent event) { |
| if (getTransfer().isSupportedType(event.currentDataType)) { |
| return true; |
| } |
| return false; |
| } |
| |
| |
| /** |
| * @see org.eclipse.bpel.ui.dnd.DropPopup.CommandListener#execute(java.lang.String) |
| */ |
| @SuppressWarnings("nls") |
| |
| public void execute(String cmd) { |
| if ("typeBrowser".equals(cmd)) { |
| BrowseUtil.browseForXSDTypeOrElement(fEditor.getProcess(), fEditor.getSite().getShell() ); |
| } else if ("wsdlBrowser".equals(cmd)) { |
| BrowseUtil.browseForPartnerLinkType(fEditor.getProcess(), fEditor.getSite().getShell() ); |
| } else { |
| System.out.println("Cmd: " + cmd); |
| } |
| } |
| |
| } |