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/*******************************************************************************
* Copyright (c) 2009, 2012 Oracle. 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 - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.jpa.ui.internal.persistence;
import java.util.Collections;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jpt.common.core.internal.utility.ProjectTools;
import org.eclipse.jpt.common.ui.internal.jface.ArchiveFileViewerFilter;
import org.eclipse.jpt.common.ui.internal.utility.swt.SWTTools;
import org.eclipse.jpt.common.utility.internal.model.value.SimplePropertyValueModel;
import org.eclipse.jpt.common.utility.model.value.ModifiablePropertyValueModel;
import org.eclipse.jpt.jpa.ui.internal.plugin.JptJpaUiPlugin;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.dialogs.ElementTreeSelectionDialog;
import org.eclipse.ui.dialogs.ISelectionStatusValidator;
import org.eclipse.ui.model.WorkbenchContentProvider;
import org.eclipse.ui.model.WorkbenchLabelProvider;
import org.eclipse.ui.views.navigator.ResourceComparator;
import org.eclipse.wst.common.componentcore.ComponentCore;
import org.eclipse.wst.common.componentcore.resources.IVirtualComponent;
import org.eclipse.wst.common.componentcore.resources.IVirtualContainer;
import org.eclipse.wst.common.componentcore.resources.IVirtualFile;
import org.eclipse.wst.common.componentcore.resources.IVirtualFolder;
import org.eclipse.wst.common.componentcore.resources.IVirtualResource;
public class ArchiveFileSelectionDialog
extends ElementTreeSelectionDialog
{
private final ModifiablePropertyValueModel<String> jarPathModel;
private DeploymentPathCalculator pathCalculator;
public ArchiveFileSelectionDialog(Shell parent) {
this(parent, new SimpleDeploymentPathCalculator());
}
public ArchiveFileSelectionDialog(Shell parent, DeploymentPathCalculator pathCalculator) {
super(parent, new WorkbenchLabelProvider(), new WorkbenchContentProvider());
this.pathCalculator = pathCalculator;
setComparator(new ResourceComparator(ResourceComparator.NAME));
addFilter(new ArchiveFileViewerFilter());
setValidator(new ArchiveFileSelectionValidator());
this.jarPathModel = new SimplePropertyValueModel<String>();
}
@Override
protected Control createDialogArea(Composite parent) {
Composite composite = (Composite) super.createDialogArea(parent);
Label helpLabel = new Label(composite, SWT.WRAP);
helpLabel.setText(JptUiPersistenceMessages.ArchiveFileSelectionDialog_jarPathHelpLabel);
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
gd.widthHint = 400;
helpLabel.setLayoutData(gd);
Composite subComposite = new Composite(composite, SWT.NONE);
subComposite.setLayout(new GridLayout(2, false));
subComposite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
Label jarPathLabel = new Label(subComposite, SWT.NONE);
jarPathLabel.setFont(composite.getFont());
jarPathLabel.setText(JptUiPersistenceMessages.ArchiveFileSelectionDialog_jarPathLabel);
Text jarPathText = new Text(subComposite, SWT.BORDER);
jarPathText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
SWTTools.bind(jarPathModel, jarPathText);
return composite;
}
@Override
protected TreeViewer doCreateTreeViewer(Composite parent, int style) {
TreeViewer treeViewer = super.doCreateTreeViewer(parent, style);
treeViewer.addSelectionChangedListener(
new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
updateJarPathModel(event.getSelection());
}
});
return treeViewer;
}
protected void updateJarPathModel(ISelection selection) {
Object selectedObj = ((IStructuredSelection) selection).getFirstElement();
if (selectedObj instanceof IFile) {
this.jarPathModel.setValue(calculateDeployPath((IFile) selectedObj));
}
else {
this.jarPathModel.setValue("");
}
}
protected String calculateDeployPath(IFile archiveFile) {
return this.pathCalculator.calculateDeploymentPath(archiveFile);
}
@Override
protected void computeResult() {
setResult(Collections.singletonList(this.jarPathModel.getValue()));
}
private static class ArchiveFileSelectionValidator
implements ISelectionStatusValidator
{
public ArchiveFileSelectionValidator() {
super();
}
public IStatus validate(Object[] selection) {
int nSelected= selection.length;
if (nSelected == 0 || (nSelected > 1)) {
return JptJpaUiPlugin.instance().buildErrorStatus();
}
for (int i= 0; i < selection.length; i++) {
Object curr= selection[i];
if (curr instanceof IFile) {
return JptJpaUiPlugin.instance().buildOKStatus();
}
}
return JptJpaUiPlugin.instance().buildErrorStatus();
}
}
public static interface DeploymentPathCalculator
{
String calculateDeploymentPath(IFile file);
}
public static class SimpleDeploymentPathCalculator
implements DeploymentPathCalculator
{
public String calculateDeploymentPath(IFile file) {
return file.getName();
}
}
public static class ModuleDeploymentPathCalculator
extends SimpleDeploymentPathCalculator
{
@Override
public String calculateDeploymentPath(IFile file) {
// first look for virtual component that matches this file, returning
// the path to that virtual component
IVirtualComponent vComponent = ComponentCore.createComponent(file.getProject());
if (vComponent != null) {
IVirtualFolder vFolder = vComponent.getRootFolder();
IVirtualFile vFile = findVirtualFile(vFolder, file);
if (vFile != null) {
return calculatePersistenceRootRelativePath(vFile);
}
}
// then default to simple behavior
return super.calculateDeploymentPath(file);
}
protected IVirtualFile findVirtualFile(IVirtualContainer vContainer, IFile realFile) {
try {
for (IVirtualResource vResource : vContainer.members()) {
if (vResource.getType() == IVirtualResource.FILE) {
IVirtualFile vFile = (IVirtualFile) vResource;
if (realFile.equals(vFile.getUnderlyingFile())) {
return vFile;
}
}
else {
IVirtualFile vFile = findVirtualFile((IVirtualContainer) vResource, realFile);
if (vFile != null) {
return vFile;
}
}
}
}
catch (CoreException ce) {
JptJpaUiPlugin.instance().logError(ce);
}
return null;
}
protected String calculatePersistenceRootRelativePath(IVirtualFile vFile) {
IProject project = vFile.getProject();
IPath puRootPath = ProjectTools.getJarRuntimeRootPath(project);
IPath path = vFile.getRuntimePath().makeRelativeTo(puRootPath);
return path.toString();
}
}
}
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