/*******************************************************************************
* Copyright (c) 2000, 2017 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
*
*******************************************************************************/
package org.eclipse.dltk.internal.ui.wizards.buildpath.newsourcepage;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.SubProgressMonitor;
import org.eclipse.dltk.core.DLTKCore;
import org.eclipse.dltk.core.IProjectFragment;
import org.eclipse.dltk.core.IScriptProject;
import org.eclipse.dltk.core.ModelException;
import org.eclipse.dltk.internal.corext.buildpath.BuildpathModifier;
import org.eclipse.dltk.internal.ui.wizards.NewWizardMessages;
import org.eclipse.dltk.internal.ui.wizards.buildpath.BPListElement;
import org.eclipse.dltk.ui.DLTKPluginImages;
import org.eclipse.dltk.ui.DLTKUIPlugin;
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.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.PlatformUI;
import org.eclipse.ui.part.ISetSelectionTarget;
public class IncludeToBuildpathAction extends Action
implements ISelectionChangedListener {
private final IWorkbenchSite fSite;
private final List fSelectedElements; // IResources
public IncludeToBuildpathAction(IWorkbenchSite site) {
super(NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_Unexclude_label,
DLTKPluginImages.DESC_ELCL_INCLUDE_ON_BUILDPATH);
setToolTipText(
NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_Unexclude_tooltip);
setDisabledImageDescriptor(
DLTKPluginImages.DESC_DLCL_INCLUDE_ON_BUILDPATH);
fSite = site;
fSelectedElements = new ArrayList();
}
@Override
public void run() {
IResource resource = (IResource) fSelectedElements.get(0);
final IScriptProject project = DLTKCore.create(resource.getProject());
try {
final IRunnableWithProgress runnable = monitor -> {
try {
List result = unExclude(fSelectedElements, project,
monitor);
selectAndReveal(new StructuredSelection(result));
} catch (CoreException e) {
throw new InvocationTargetException(e);
}
};
PlatformUI.getWorkbench().getProgressService().run(true, false,
runnable);
} catch (final InvocationTargetException e) {
if (e.getCause() instanceof CoreException) {
showExceptionDialog((CoreException) e.getCause());
} else {
DLTKUIPlugin.log(e);
}
} catch (final InterruptedException e) {
}
}
protected List unExclude(List elements, IScriptProject project,
IProgressMonitor monitor) throws ModelException {
if (monitor == null)
monitor = new NullProgressMonitor();
try {
monitor.beginTask(
NewWizardMessages.BuildpathModifier_Monitor_Including,
2 * elements.size());
List entries = BuildpathModifier.getExistingEntries(project);
for (int i = 0; i < elements.size(); i++) {
IResource resource = (IResource) elements.get(i);
IProjectFragment root = BuildpathModifier.getFragmentRoot(
resource, project, new SubProgressMonitor(monitor, 1));
if (root != null) {
BPListElement entry = BuildpathModifier
.getBuildpathEntry(entries, root);
BuildpathModifier.unExclude(resource, entry, project,
new SubProgressMonitor(monitor, 1));
}
}
BuildpathModifier.commitBuildPath(entries, project,
new SubProgressMonitor(monitor, 4));
List resultElements = BuildpathModifier
.getCorrespondingElements(elements, project);
return resultElements;
} finally {
monitor.done();
}
}
@Override
public void selectionChanged(final SelectionChangedEvent event) {
final ISelection selection = event.getSelection();
if (selection instanceof IStructuredSelection) {
setEnabled(canHandle((IStructuredSelection) selection));
} else {
setEnabled(canHandle(StructuredSelection.EMPTY));
}
}
private boolean canHandle(IStructuredSelection elements) {
if (elements.size() == 0)
return false;
try {
fSelectedElements.clear();
for (Iterator iter = elements.iterator(); iter.hasNext();) {
Object element = iter.next();
fSelectedElements.add(element);
if (element instanceof IResource) {
IResource resource = (IResource) element;
IScriptProject project = DLTKCore
.create(resource.getProject());
if (project == null || !project.exists())
return false;
if (!BuildpathModifier.isExcluded(resource, project))
return false;
} else {
return false;
}
}
return true;
} catch (CoreException e) {
}
return false;
}
private void showExceptionDialog(CoreException exception) {
showError(exception, fSite.getShell(),
NewWizardMessages.IncludeToBuildpathAction_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<IWorkbenchPart> 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));
}
for (IWorkbenchPart part : parts) {
// get the part's ISetSelectionTarget implementation
ISetSelectionTarget target = null;
if (part instanceof ISetSelectionTarget)
target = (ISetSelectionTarget) part;
else
target = part.getAdapter(ISetSelectionTarget.class);
if (target != null) {
// select and reveal resource
final ISetSelectionTarget finalTarget = target;
page.getWorkbenchWindow().getShell().getDisplay()
.asyncExec(() -> finalTarget.selectReveal(selection));
}
}
}
}