/*******************************************************************************
* 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.IModelElement;
import org.eclipse.dltk.core.IProjectFragment;
import org.eclipse.dltk.core.IScriptFolder;
import org.eclipse.dltk.core.IScriptProject;
import org.eclipse.dltk.core.ISourceModule;
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 ExcludeFromBuildpathAction extends Action implements ISelectionChangedListener {
private final IWorkbenchSite fSite;
private final List fSelectedElements; // IScriptFolder || ISourceModule
// iff isEnabled()
public ExcludeFromBuildpathAction(IWorkbenchSite site) {
super(NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_Exclude_label, DLTKPluginImages.DESC_ELCL_EXCLUDE_FROM_BUILDPATH);
setToolTipText(NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_Exclude_tooltip);
setDisabledImageDescriptor(DLTKPluginImages.DESC_DLCL_EXCLUDE_FROM_BUILDPATH);
fSite = site;
fSelectedElements = new ArrayList();
}
@Override
public void run() {
final IScriptProject project;
Object object = fSelectedElements.get(0);
if (object instanceof ISourceModule) {
project = ((ISourceModule) object).getScriptProject();
} else {
project = ((IScriptFolder) object).getScriptProject();
}
try {
final IRunnableWithProgress runnable = monitor -> {
try {
List result = exclude(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) {
}
}
private List exclude(List modelElements, IScriptProject project, IProgressMonitor monitor) throws ModelException {
if (monitor == null)
monitor = new NullProgressMonitor();
try {
monitor.beginTask(NewWizardMessages.BuildpathModifier_Monitor_Excluding, modelElements.size() + 4);
List existingEntries = BuildpathModifier.getExistingEntries(project);
List resources = new ArrayList();
for (int i = 0; i < modelElements.size(); i++) {
IModelElement modelElement = (IModelElement) modelElements.get(i);
IProjectFragment root = (IProjectFragment) modelElement.getAncestor(IModelElement.PROJECT_FRAGMENT);
BPListElement entry = BuildpathModifier.getBuildpathEntry(existingEntries, root);
IResource resource = BuildpathModifier.exclude(modelElement, entry, project, new SubProgressMonitor(monitor, 1));
if (resource != null) {
resources.add(resource);
}
}
BuildpathModifier.commitBuildPath(existingEntries, project, new SubProgressMonitor(monitor, 4));
return resources;
} 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 IScriptFolder) {
int type = DialogPackageExplorerActionGroup.getType(element, ((IScriptFolder) element).getScriptProject());
if (type != DialogPackageExplorerActionGroup.INCLUDED_FOLDER
&& type != DialogPackageExplorerActionGroup.PACKAGE_FRAGMENT)
return false;
} else if (element instanceof ISourceModule) {
if (((IProjectFragment)((IModelElement)element).getAncestor(IModelElement.PROJECT_FRAGMENT)).isExternal()) {
return false;
}
else if (((IProjectFragment)((IModelElement)element).getAncestor(IModelElement.PROJECT_FRAGMENT)).isArchive()) {
return false;
}
} else {
return false;
}
}
return true;
} catch (CoreException e) {
}
return false;
}
private void showExceptionDialog(CoreException exception) {
showError(exception, fSite.getShell(), NewWizardMessages.ExcludeFromBuildathAction_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 = part.getAdapter(ISetSelectionTarget.class);
if (target != null) {
// select and reveal resource
final ISetSelectionTarget finalTarget = target;
page.getWorkbenchWindow().getShell().getDisplay()
.asyncExec(() -> finalTarget.selectReveal(selection));
}
}
}
}