/*******************************************************************************
* Copyright (c) 2000, 2009 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.eclipse.wst.jsdt.internal.ui.wizards.buildpaths.newsourcepage;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.core.runtime.SubProgressMonitor;
import org.eclipse.jface.operation.IRunnableContext;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.ui.IWorkbenchSite;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.part.ISetSelectionTarget;
import org.eclipse.wst.jsdt.core.IIncludePathEntry;
import org.eclipse.wst.jsdt.core.IJavaScriptElement;
import org.eclipse.wst.jsdt.core.IJavaScriptProject;
import org.eclipse.wst.jsdt.core.IPackageFragment;
import org.eclipse.wst.jsdt.core.IPackageFragmentRoot;
import org.eclipse.wst.jsdt.core.JavaScriptCore;
import org.eclipse.wst.jsdt.internal.corext.buildpath.BuildpathDelta;
import org.eclipse.wst.jsdt.internal.corext.buildpath.ClasspathModifier;
import org.eclipse.wst.jsdt.internal.corext.util.Messages;
import org.eclipse.wst.jsdt.internal.ui.JavaPluginImages;
import org.eclipse.wst.jsdt.internal.ui.JavaScriptPlugin;
import org.eclipse.wst.jsdt.internal.ui.dialogs.StatusInfo;
import org.eclipse.wst.jsdt.internal.ui.wizards.NewWizardMessages;
import org.eclipse.wst.jsdt.internal.ui.wizards.buildpaths.BuildPathBasePage;
import org.eclipse.wst.jsdt.internal.ui.wizards.buildpaths.CPListElement;
/**
* The action that is run to add a project or a folder to the the build path as a source folder. Is enabled only if
* the selected item can be added as a source folder and is not already a source folder.
*
*/
public class AddFolderToBuildpathAction extends BuildpathModifierAction {
private final IRunnableContext fContext;
public AddFolderToBuildpathAction(IWorkbenchSite site) {
this(site, null, PlatformUI.getWorkbench().getProgressService());
}
public AddFolderToBuildpathAction(IRunnableContext context, ISetSelectionTarget selectionTarget) {
this(null, selectionTarget, context);
}
private AddFolderToBuildpathAction(IWorkbenchSite site, ISetSelectionTarget selectionTarget, IRunnableContext context) {
super(site, selectionTarget, BuildpathModifierAction.ADD_SEL_SF_TO_BP);
fContext= context;
setText(NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_AddSelSFToCP_label);
setImageDescriptor(JavaPluginImages.DESC_ELCL_ADD_AS_SOURCE_FOLDER);
setToolTipText(NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_AddSelSFToCP_tooltip);
}
/**
* {@inheritDoc}
*/
public String getDetailedDescription() {
if (!isEnabled())
return null;
if (getSelectedElements().size() != 1)
return NewWizardMessages.PackageExplorerActionGroup_FormText_Default_toBuildpath;
Object obj= getSelectedElements().get(0);
if (obj instanceof IJavaScriptProject) {
return Messages.format(NewWizardMessages.PackageExplorerActionGroup_FormText_ProjectToBuildpath, ((IJavaScriptProject)obj).getElementName());
} else if (obj instanceof IPackageFragment) {
return Messages.format(NewWizardMessages.PackageExplorerActionGroup_FormText_PackageToBuildpath, ((IPackageFragment)obj).getElementName());
} else if (obj instanceof IResource) {
return Messages.format(NewWizardMessages.PackageExplorerActionGroup_FormText_FolderToBuildpath, ((IResource)obj).getName());
}
return null;
}
/**
* {@inheritDoc}
*/
public void run() {
try {
final IJavaScriptProject project;
Object object= getSelectedElements().get(0);
if (object instanceof IJavaScriptProject) {
project= (IJavaScriptProject)object;
} else if (object instanceof IPackageFragment) {
project= ((IPackageFragment)object).getJavaScriptProject();
} else {
IFolder folder= (IFolder)object;
project= JavaScriptCore.create(folder.getProject());
if (project == null)
return;
}
final IRunnableWithProgress runnable= new IRunnableWithProgress() {
public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
try {
List result= addToClasspath(getSelectedElements(), project, monitor);
selectAndReveal(new StructuredSelection(result));
} catch (CoreException e) {
throw new InvocationTargetException(e);
}
}
};
fContext.run(false, false, runnable);
} catch (final InvocationTargetException e) {
if (e.getCause() instanceof CoreException) {
showExceptionDialog((CoreException)e.getCause(), NewWizardMessages.AddSourceFolderToBuildpathAction_ErrorTitle);
} else {
JavaScriptPlugin.log(e);
}
} catch (final InterruptedException e) {
}
}
private List addToClasspath(List elements, IJavaScriptProject project, IProgressMonitor monitor) throws OperationCanceledException, CoreException {
if (!project.getProject().hasNature(JavaScriptCore.NATURE_ID)) {
StatusInfo rootStatus= new StatusInfo();
rootStatus.setError(NewWizardMessages.ClasspathModifier_Error_NoNatures);
throw new CoreException(rootStatus);
}
try {
monitor.beginTask(NewWizardMessages.ClasspathModifier_Monitor_AddToBuildpath, elements.size() + 4);
BuildpathDelta delta= new BuildpathDelta(getToolTipText());
List existingEntries= ClasspathModifier.getExistingEntries(project);
List newEntries= new ArrayList();
for (int i= 0; i < elements.size(); i++) {
Object element= elements.get(i);
CPListElement entry;
if (element instanceof IResource)
entry= ClasspathModifier.addToClasspath((IResource) element, existingEntries, newEntries, project, new SubProgressMonitor(monitor, 1));
else
entry= ClasspathModifier.addToClasspath((IJavaScriptElement) element, existingEntries, newEntries, project, new SubProgressMonitor(monitor, 1));
newEntries.add(entry);
}
Set modifiedSourceEntries= new HashSet();
BuildPathBasePage.fixNestingConflicts((CPListElement[])newEntries.toArray(new CPListElement[newEntries.size()]), (CPListElement[])existingEntries.toArray(new CPListElement[existingEntries.size()]), modifiedSourceEntries);
ClasspathModifier.setNewEntry(existingEntries, newEntries, project, new SubProgressMonitor(monitor, 1));
ClasspathModifier.commitClassPath(existingEntries, project, new SubProgressMonitor(monitor, 1));
delta.setNewEntries((CPListElement[])existingEntries.toArray(new CPListElement[existingEntries.size()]));
informListeners(delta);
List result= new ArrayList();
for (int i= 0; i < newEntries.size(); i++) {
IIncludePathEntry entry= ((CPListElement) newEntries.get(i)).getClasspathEntry();
IJavaScriptElement root;
if (entry.getPath().equals(project.getPath()))
root= project;
else
root= project.findPackageFragmentRoot(entry.getPath());
if (root != null) {
result.add(root);
}
}
return result;
} finally {
monitor.done();
}
}
/**
* Determines whether this action can be run on the current selection or selections. If any
* of the items is not able to run this action then it will not be presented to the user in the wizard.
*/
protected boolean canHandle(IStructuredSelection elements) {
if (elements.size() == 0)
return false;
try {
for (Iterator iter= elements.iterator(); iter.hasNext();) {
Object element= iter.next();
if (element instanceof IJavaScriptProject) {
// if this is a javascript project and its already the source folder then return false
if (ClasspathModifier.isSourceFolder((IJavaScriptProject)element))
return false;
} else if (element instanceof IPackageFragment) {
IPackageFragment fragment= (IPackageFragment)element;
if (ClasspathModifier.isDefaultFragment(fragment))
return false;
if (((IPackageFragmentRoot)fragment.getAncestor(IJavaScriptElement.PACKAGE_FRAGMENT_ROOT)).isArchive())
return false;
} else if (element instanceof IFolder) {
IProject project= ((IFolder)element).getProject();
IJavaScriptProject javaProject= JavaScriptCore.create(project);
if (javaProject == null || !javaProject.exists())
return false;
} else {
return false;
}
}
return true;
} catch (CoreException e) {
}
return false;
}
}