/**
* Copyright (c) 2008 Aptana, Inc.
*
* 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. If redistributing this code,
* this entire header must remain intact.
*
* This file is based on a JDT equivalent:
********************************************************************************
* Copyright (c) 2000, 2006 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.rubypeople.rdt.internal.ui.wizards.buildpaths.newsourcepage;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.resources.IWorkspaceRunnable;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.SubProgressMonitor;
import org.eclipse.core.runtime.jobs.ISchedulingRule;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
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.StructuredSelection;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchPartReference;
import org.eclipse.ui.IWorkbenchSite;
import org.eclipse.ui.part.ISetSelectionTarget;
import org.rubypeople.rdt.core.ILoadpathEntry;
import org.rubypeople.rdt.core.IRubyProject;
import org.rubypeople.rdt.core.RubyModelException;
import org.rubypeople.rdt.internal.corext.buildpath.LoadpathModifier;
import org.rubypeople.rdt.internal.ui.RubyPlugin;
import org.rubypeople.rdt.internal.ui.RubyPluginImages;
import org.rubypeople.rdt.internal.ui.actions.WorkbenchRunnableAdapter;
import org.rubypeople.rdt.internal.ui.packageview.LoadPathContainer;
import org.rubypeople.rdt.internal.ui.util.PixelConverter;
import org.rubypeople.rdt.internal.ui.wizards.NewWizardMessages;
import org.rubypeople.rdt.internal.ui.wizards.buildpaths.CPListElement;
import org.rubypeople.rdt.internal.ui.wizards.buildpaths.LoadpathContainerWizard;
public class AddLibraryToBuildpathAction extends Action implements ISelectionChangedListener {
private IRubyProject fSelectedProject;
private final IWorkbenchSite fSite;
public AddLibraryToBuildpathAction(IWorkbenchSite site) {
super(NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_AddLibCP_label, RubyPluginImages.DESC_OBJS_LIBRARY);
setToolTipText(NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_AddLibCP_tooltip);
fSite= site;
}
/**
* {@inheritDoc}
*/
public void run() {
final IRubyProject project= fSelectedProject;
Shell shell= fSite.getShell();
if (shell == null) {
shell= RubyPlugin.getActiveWorkbenchShell();
}
ILoadpathEntry[] classpath;
try {
classpath= project.getRawLoadpath();
} catch (RubyModelException e1) {
showExceptionDialog(e1);
return;
}
LoadpathContainerWizard wizard= new LoadpathContainerWizard((ILoadpathEntry) null, project, classpath) {
/**
* {@inheritDoc}
*/
public boolean performFinish() {
if (super.performFinish()) {
IWorkspaceRunnable op= new IWorkspaceRunnable() {
public void run(IProgressMonitor monitor) throws CoreException, OperationCanceledException {
try {
finishPage(monitor);
} catch (InterruptedException e) {
throw new OperationCanceledException(e.getMessage());
}
}
};
try {
ISchedulingRule rule= null;
Job job= Platform.getJobManager().currentJob();
if (job != null)
rule= job.getRule();
IRunnableWithProgress runnable= null;
if (rule != null)
runnable= new WorkbenchRunnableAdapter(op, rule, true);
else
runnable= new WorkbenchRunnableAdapter(op, ResourcesPlugin.getWorkspace().getRoot());
getContainer().run(false, true, runnable);
} catch (InvocationTargetException e) {
RubyPlugin.log(e);
return false;
} catch (InterruptedException e) {
return false;
}
return true;
}
return false;
}
private void finishPage(IProgressMonitor pm) throws InterruptedException {
ILoadpathEntry[] selected= getNewEntries();
if (selected != null) {
try {
pm.beginTask(NewWizardMessages.LoadpathModifier_Monitor_AddToBuildpath, 4);
List addedEntries= new ArrayList();
for (int i= 0; i < selected.length; i++) {
addedEntries.add(new CPListElement(project, ILoadpathEntry.CPE_CONTAINER, selected[i].getPath(), null));
}
pm.worked(1);
if (pm.isCanceled())
throw new InterruptedException();
List existingEntries= LoadpathModifier.getExistingEntries(project);
LoadpathModifier.setNewEntry(existingEntries, addedEntries, project, new SubProgressMonitor(pm, 1));
if (pm.isCanceled())
throw new InterruptedException();
LoadpathModifier.commitLoadPath(existingEntries, project, new SubProgressMonitor(pm, 1));
if (pm.isCanceled())
throw new InterruptedException();
List result= new ArrayList(addedEntries.size());
for (int i= 0; i < addedEntries.size(); i++) {
result.add(new LoadPathContainer(project, selected[i]));
}
selectAndReveal(new StructuredSelection(result));
pm.worked(1);
} catch (CoreException e) {
showExceptionDialog(e);
} finally {
pm.done();
}
}
}
};
wizard.setNeedsProgressMonitor(true);
WizardDialog dialog= new WizardDialog(shell, wizard);
PixelConverter converter= new PixelConverter(shell);
dialog.setMinimumPageSize(converter.convertWidthInCharsToPixels(70), converter.convertHeightInCharsToPixels(20));
dialog.create();
dialog.open();
}
public void selectionChanged(SelectionChangedEvent event) {
ISelection selection = event.getSelection();
if (selection instanceof IStructuredSelection) {
setEnabled(canHandle((IStructuredSelection) selection));
} else {
setEnabled(canHandle(StructuredSelection.EMPTY));
}
}
public boolean canHandle(IStructuredSelection selection) {
if (selection.size() == 1 && selection.getFirstElement() instanceof IRubyProject) {
fSelectedProject= (IRubyProject)selection.getFirstElement();
return true;
}
return false;
}
private void showExceptionDialog(CoreException exception) {
showError(exception, fSite.getShell(), NewWizardMessages.AddLibraryToBuildpathAction_ErrorTitle, exception.getMessage());
}
private void showError(CoreException e, Shell shell, String title, String message) {
IStatus status= e.getStatus();
if (status != null) {
ErrorDialog.openError(shell, message, title, status);
} else {
MessageDialog.openError(shell, title, message);
}
}
private void selectAndReveal(final ISelection selection) {
// validate the input
IWorkbenchPage page= fSite.getPage();
if (page == null)
return;
// get all the view and editor parts
List parts= new ArrayList();
IWorkbenchPartReference refs[]= page.getViewReferences();
for (int i= 0; i < refs.length; i++) {
IWorkbenchPart part= refs[i].getPart(false);
if (part != null)
parts.add(part);
}
refs= page.getEditorReferences();
for (int i= 0; i < refs.length; i++) {
if (refs[i].getPart(false) != null)
parts.add(refs[i].getPart(false));
}
Iterator itr= parts.iterator();
while (itr.hasNext()) {
IWorkbenchPart part= (IWorkbenchPart) itr.next();
// get the part's ISetSelectionTarget implementation
ISetSelectionTarget target= null;
if (part instanceof ISetSelectionTarget)
target= (ISetSelectionTarget) part;
else
target= (ISetSelectionTarget) part.getAdapter(ISetSelectionTarget.class);
if (target != null) {
// select and reveal resource
final ISetSelectionTarget finalTarget= target;
page.getWorkbenchWindow().getShell().getDisplay().asyncExec(new Runnable() {
public void run() {
finalTarget.selectReveal(selection);
}
});
}
}
}
}