protected void chooseWorkspace ()
{
    final ElementTreeSelectionDialog dialog = new ElementTreeSelectionDialog ( getShell (), new WorkbenchLabelProvider (), new WorkbenchContentProvider () );
    dialog.setTitle ( "Select driver exporter configuration file" );
    dialog.setMessage ( "Choose a driver exporter file for the configuration" );
    dialog.setInput ( ResourcesPlugin.getWorkspace ().getRoot () );
    dialog.setComparator ( new ResourceComparator ( ResourceComparator.NAME ) );
    dialog.setAllowMultiple ( true );
    dialog.setDialogBoundsSettings ( getDialogBoundsSettings ( HiveTab.WORKSPACE_SELECTION_DIALOG ), Dialog.DIALOG_PERSISTSIZE );
    if ( dialog.open () == IDialogConstants.OK_ID )
    {
        final IResource resource = (IResource)dialog.getFirstResult ();
        if ( resource != null )
        {
            final String arg = resource.getFullPath ().toString ();
            final String fileLoc = VariablesPlugin.getDefault ().getStringVariableManager ().generateVariableExpression ( "workspace_loc", arg ); //$NON-NLS-1$
            this.fileText.setText ( fileLoc );
            makeDirty ();
        }
    }
}
 

/**
 * Open a dialog box asking the user to select an existing project under the
 * current workspace.
 *
 * @param parentShell
 * @param title 
 */
public static IResource selectFile(Shell parentShell, String title) {
  ElementTreeSelectionDialog dialog =
      new ElementTreeSelectionDialog(
          parentShell,
          new WorkbenchLabelProvider(),
          new WorkbenchContentProvider()
      );

  dialog.setInput(ResourcesPlugin.getWorkspace().getRoot());
  dialog.setTitle(title);
  dialog.setAllowMultiple(false);

  if(dialog.open() == ElementTreeSelectionDialog.OK) {
    return (IResource) dialog.getFirstResult();
  }
  return null;
}
 

/**
 * Constructs an instance of <code>ResourceTreeSelectionDialog</code>.
 * 
 * @param parent the parent shell for the dialog
 * @param title dialog title
 * @param message dialog message
 * @param rootResource resource that serves as the root of the tree. This
 *          resource's descendants are visible in the tree, but the root
 *          itself is not.
 * @param initialResource the initially-selected resource
 * @param visibleResourceTypes a set of {@link IResource} types that are
 *          visible in the tree (e.g.
 *          <code>IResource.FILE | IResource.FOLDER</code>)
 * @param acceptedResourceTypes a set of {@link IResource} types that can be
 *          selected
 * @param multiSelection whether or not to allow selection of multiple
 *          resources
 */
public ResourceTreeSelectionDialog(Shell parent, String title,
    String message, IContainer rootResource, IResource initialResource,
    int visibleResourceTypes, int acceptedResourceTypes,
    boolean multiSelection) {
  super(parent, new WorkbenchLabelProvider(), new WorkbenchContentProvider());

  setTitle(title);
  setMessage(message);
  setHelpAvailable(false);

  setInput(rootResource);
  if (initialResource != null) {
    setInitialSelection(initialResource);
  }
  setComparator(new ResourceComparator(ResourceComparator.NAME));
  setValidator(new ResourceFilter(acceptedResourceTypes, multiSelection));
  addFilter(new ResourceFilter(visibleResourceTypes));
}
 

/**
 * @param parent
 *            Parent shell
 * @param createButton
 *            Show create button and dialog
 */
public WorkspaceElementSelectionDialog(Shell parent, boolean createButton) {
	super(parent, new WorkbenchLabelProvider(),
			new WorkbenchContentProvider());

	this.setHelpAvailable(false);
	this.hasCreateButton = createButton;

}
 

@Override
protected Control createDialogArea(Composite parent) {
	CustomElementSelectionForm form = new CustomElementSelectionForm(parent, SWT.FILL);
	form.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());

	TreeViewer v = form.getTreeViewer();
	for (ViewerFilter filter : filters) {
		v.addFilter(filter);
	}
	this.treeViewer = v;

	WorkbenchContentProvider contentProvider = new WorkbenchContentProvider();
	ILabelProvider labelProvider = new WorkbenchLabelProvider();

	this.treeViewer.setContentProvider(contentProvider);
	this.treeViewer.setLabelProvider(labelProvider);

	this.treeViewer.setComparator(new ViewerComparator());

	this.treeViewer.setAutoExpandLevel(this.getAutoExpandLevel());

	form.setElementLabel(this.elementLabel);

	this.elementNameInput = form.getElementInput();

	form.getElementInput().addPropertyChangeListener(new PropertyChangeListener() {

		@Override
		public void propertyChange(PropertyChangeEvent evt) {
			if (evt.getPropertyName().equals(SuffixText.TEXT_PROPERTY) ||
					evt.getPropertyName().equals(SuffixText.SUFFIX_PROPERTY)) {
				validateElementInput();
				elementInputChanged();
			}

		}
	});
	return form;
}
 

@Override
protected Control createCustomArea(Composite parent) {
    final Composite container = new Composite(parent, parent.getStyle());
    container.setLayout(new GridLayout(1, false));
    container.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));

    fileText = createFilePathComposite(container, defaultFileName);

    final TreeViewer containerTreeViewer = new TreeViewer(container, SWT.BORDER);
    Tree tree = containerTreeViewer.getTree();
    final GridData gdTable = new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1);
    gdTable.minimumWidth = TABLE_MINIMUM_WIDTH;
    gdTable.minimumHeight = TABLE_MINIMUM_HEIGHT;
    tree.setLayoutData(gdTable);
    containerTreeViewer.setContentProvider(new WorkbenchContentProvider() {
        @Override
        public Object[] getChildren(Object element) {
            final List<Object> res = new ArrayList<>();
            for (Object obj : super.getChildren(element)) {
                if (obj instanceof IContainer
                    || (obj instanceof IFile && fileExtension.equals(((IFile) obj).getFileExtension()))) {
                    res.add(obj);
                }
            }
            return res.toArray();
        }
    });
    containerTreeViewer.setLabelProvider(new WorkbenchLabelProvider());
    containerTreeViewer.addSelectionChangedListener(new ContainerSelectionChangedListener());
    containerTreeViewer.setInput(ResourcesPlugin.getWorkspace().getRoot());
    if (defaultFileName != null && !defaultFileName.isEmpty()) {
        final IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(new Path(defaultFileName));
        containerTreeViewer.setSelection(new StructuredSelection(file));
    }

    return container;
}
 

public static ElementTreeSelectionDialog createFolderDialog(String initialFolder, final IProject project,
		final boolean showAllProjects, final boolean showFolder, Shell shell) {

	ILabelProvider lp = new WorkbenchLabelProvider();
	ITreeContentProvider cp = new WorkbenchContentProvider();
	FolderSelectionDialog dialog = new FolderSelectionDialog(shell, lp, cp);
	// dialog.setTitle(TypeScriptUIMessages.TernModuleOptionsPanel_selectPathDialogTitle);
	IContainer folder = StringUtils.isEmpty(initialFolder) ? project
			: (project != null ? project.getFolder(initialFolder)
					: ResourcesPlugin.getWorkspace().getRoot().getFolder(new Path(initialFolder)));
	if (folder != null && folder.exists()) {
		dialog.setInitialSelection(folder);
	}
	dialog.setInput(ResourcesPlugin.getWorkspace().getRoot());
	ViewerFilter filter = new ViewerFilter() {

		@Override
		public boolean select(Viewer viewer, Object parentElement, Object element) {
			if (element instanceof IProject) {
				if (showAllProjects)
					return true;
				IProject p = (IProject) element;
				return (p.equals(project));
			} else if (element instanceof IContainer) {
				IContainer container = (IContainer) element;
				if (showFolder && container.getType() == IResource.FOLDER) {
					return true;
				}
				return false;
			}
			return false;
		}
	};
	dialog.addFilter(filter);
	return dialog;
}
 

public WorkspaceResourceSelectionDialog(Shell parent, Mode mode) {
	super(parent, new WorkbenchLabelProvider(), new WorkbenchContentProvider());
	this.mode = mode;
	setValidator(new ISelectionStatusValidator() {
		public IStatus validate(Object[] selection) {
			if (selection.length > 0 && checkMode(selection[0])) {
				return new Status(IStatus.OK, TypeScriptUIPlugin.PLUGIN_ID, IStatus.OK, EMPTY_STRING, null);
			}
			return new Status(IStatus.ERROR, TypeScriptUIPlugin.PLUGIN_ID, IStatus.ERROR, EMPTY_STRING, null);
		}
	});
	setInput(ResourcesPlugin.getWorkspace().getRoot());
}
 

@Override
protected ITreeContentProvider getFileProvider() {
    return new WorkbenchContentProvider() {
        @Override
        public Object[] getChildren(Object object) {
            if (object instanceof TraceFileSystemElement) {
                TraceFileSystemElement element = (TraceFileSystemElement) object;
                return element.getFiles().getChildren(element);
            }
            return new Object[0];
        }
    };
}
 

protected DrillDownComposite setupContainerControl(Composite parent) {
  DrillDownComposite result = new DrillDownComposite(parent, SWT.BORDER);

  containerViewer = new TreeViewer(result, SWT.NONE);
  result.setChildTree(containerViewer);

  containerViewer.setContentProvider(new WorkbenchContentProvider());
  containerViewer.setLabelProvider(new WorkbenchLabelProvider());
  containerViewer.setComparator(new ViewerComparator());
  containerViewer.setUseHashlookup(true);
  containerViewer.setInput(prepareInput());
  return result;
}
 

private void addUnaddedResourcesArea(Composite composite) {
	
	// add a description label
	createWrappingLabel(composite, Policy.bind("ReleaseCommentDialog.unaddedResources")); //$NON-NLS-1$

	// add the selectable checkbox list
	listViewer = CheckboxTableViewer.newCheckList(composite, SWT.BORDER);
	GridData data = new GridData(GridData.FILL_BOTH);
	data.heightHint = SELECTION_HEIGHT_HINT;
	data.widthHint = WIDTH_HINT;
	listViewer.getTable().setLayoutData(data);

	// set the contents of the list
	listViewer.setLabelProvider(new WorkbenchLabelProvider() {
		protected String decorateText(String input, Object element) {
			if (element instanceof IResource)
				return ((IResource)element).getFullPath().toString();
			else
				return input;
		}
	});
	listViewer.setContentProvider(new WorkbenchContentProvider());
	listViewer.setInput(new AdaptableResourceList(unaddedResources));
	if (resourcesToAdd == null) {
		listViewer.setAllChecked(true);
	} else {
		listViewer.setCheckedElements(resourcesToAdd);
	}
	listViewer.addSelectionChangedListener(new ISelectionChangedListener() {
		public void selectionChanged(SelectionChangedEvent event) {
			resourcesToAdd = listViewer.getCheckedElements();
		}
	});
	
	addSelectionButtons(composite);
}
 

/**
 * Returns a content provider for <code>IResource</code>s that returns 
 * only children of the given resource type.
 */
protected ITreeContentProvider getResourceProvider(final int resourceType) {
	return new WorkbenchContentProvider() {
		public Object[] getChildren(Object o) {
			if (o instanceof IContainer) {
				IResource[] members = null;
				try {
					members = ((IContainer)o).members();
				} catch (CoreException e) {
					//just return an empty set of children
					return new Object[0];
				}

				//filter out the desired resource types
				ArrayList results = new ArrayList();
				for (int i = 0; i < members.length; i++) {
					//And the test bits with the resource types to see if they are what we want
					if ((members[i].getType() & resourceType) > 0) {
						results.add(members[i]);
					}
				}
				return results.toArray();
			} else {
				return super.getChildren(o);
			}
		}
	};
}
 

public void createControl(Composite parent) {
	Composite composite = createComposite(parent, 1);
	
	createWrappingLabel(composite, Policy.bind("SVNFoldersExistWarningPage.description"), 0 /* indent */, 1 /* columns */); //$NON-NLS-1$
	
	table = createTable(composite, 1);
	table.setContentProvider(new WorkbenchContentProvider());
	table.setLabelProvider(new SvnFoldersLabelProvider());
	
	Arrays.sort(svnFolders, new Comparator() {
		public int compare(Object obj1, Object obj2) {
			IFolder folder1 = (IFolder)obj1;
			IFolder folder2 = (IFolder)obj2;
			return folder1.getFullPath().toOSString().compareTo(folder2.getFullPath().toOSString());
		}		
	});
       AdaptableList input = new AdaptableList(svnFolders);
       table.setInput(input);
	
	continueButton = new Button(composite, SWT.CHECK);
	continueButton.setText(Policy.bind("SVNFoldersExistWarningPage.continue"));
	
	continueButton.addSelectionListener(new SelectionAdapter() {
		public void widgetSelected(SelectionEvent e) {
			setPageComplete(continueButton.getSelection());
		}			
	});
	
	setPageComplete(false);
	
	setControl(composite);
}
 

/**
 * Shows the UI to configure a JAR or ZIP archive located in the workspace.
 * The dialog returns the configured classpath entry path or <code>null</code> if the dialog has
 * been canceled. The dialog does not apply any changes.
 *
 * @param shell The parent shell for the dialog.
 * @param initialEntry The path of the initial archive entry
 * @param usedEntries An array of paths that are already on the classpath and therefore should not be
 * selected again.
 * @return Returns the configured JAR path or <code>null</code> if the dialog has
 * been canceled by the user.
 */
public static IPath configureJAREntry(Shell shell, IPath initialEntry, IPath[] usedEntries) {
	if (initialEntry == null || usedEntries == null) {
		throw new IllegalArgumentException();
	}

	Class<?>[] acceptedClasses= new Class[] { IFile.class };
	TypedElementSelectionValidator validator= new TypedElementSelectionValidator(acceptedClasses, false);

	ArrayList<IResource> usedJars= new ArrayList<IResource>(usedEntries.length);
	IWorkspaceRoot root= ResourcesPlugin.getWorkspace().getRoot();
	for (int i= 0; i < usedEntries.length; i++) {
		IPath curr= usedEntries[i];
		if (!curr.equals(initialEntry)) {
			IResource resource= root.findMember(usedEntries[i]);
			if (resource instanceof IFile) {
				usedJars.add(resource);
			}
		}
	}

	IResource existing= root.findMember(initialEntry);

	FilteredElementTreeSelectionDialog dialog= new FilteredElementTreeSelectionDialog(shell, new WorkbenchLabelProvider(), new WorkbenchContentProvider());
	dialog.setValidator(validator);
	dialog.setTitle(NewWizardMessages.BuildPathDialogAccess_JARArchiveDialog_edit_title);
	dialog.setMessage(NewWizardMessages.BuildPathDialogAccess_JARArchiveDialog_edit_description);
	dialog.setInitialFilter(ArchiveFileFilter.JARZIP_FILTER_STRING);
	dialog.addFilter(new ArchiveFileFilter(usedJars, true, true));
	dialog.setInput(root);
	dialog.setComparator(new ResourceComparator(ResourceComparator.NAME));
	dialog.setInitialSelection(existing);

	if (dialog.open() == Window.OK) {
		IResource element= (IResource) dialog.getFirstResult();
		return element.getFullPath();
	}
	return null;
}
 

/**
 * Shows the UI to select new JAR or ZIP archive entries located in the workspace.
 * The dialog returns the selected entries or <code>null</code> if the dialog has
 * been canceled. The dialog does not apply any changes.
 *
 * @param shell The parent shell for the dialog.
 * @param initialSelection The path of the element (container or archive) to initially select or <code>null</code> to not select an entry.
 * @param usedEntries An array of paths that are already on the classpath and therefore should not be
 * selected again.
 * @return Returns the new JAR paths or <code>null</code> if the dialog has
 * been canceled by the user.
 */
public static IPath[] chooseJAREntries(Shell shell, IPath initialSelection, IPath[] usedEntries) {
	if (usedEntries == null) {
		throw new IllegalArgumentException();
	}

	Class<?>[] acceptedClasses= new Class[] { IFile.class };
	TypedElementSelectionValidator validator= new TypedElementSelectionValidator(acceptedClasses, true);
	ArrayList<IResource> usedJars= new ArrayList<IResource>(usedEntries.length);
	IWorkspaceRoot root= ResourcesPlugin.getWorkspace().getRoot();
	for (int i= 0; i < usedEntries.length; i++) {
		IResource resource= root.findMember(usedEntries[i]);
		if (resource instanceof IFile) {
			usedJars.add(resource);
		}
	}
	IResource focus= initialSelection != null ? root.findMember(initialSelection) : null;

	FilteredElementTreeSelectionDialog dialog= new FilteredElementTreeSelectionDialog(shell, new WorkbenchLabelProvider(), new WorkbenchContentProvider());
	dialog.setHelpAvailable(false);
	dialog.setValidator(validator);
	dialog.setTitle(NewWizardMessages.BuildPathDialogAccess_JARArchiveDialog_new_title);
	dialog.setMessage(NewWizardMessages.BuildPathDialogAccess_JARArchiveDialog_new_description);
	dialog.setInitialFilter(ArchiveFileFilter.JARZIP_FILTER_STRING);
	dialog.addFilter(new ArchiveFileFilter(usedJars, true, true));
	dialog.setInput(root);
	dialog.setComparator(new ResourceComparator(ResourceComparator.NAME));
	dialog.setInitialSelection(focus);

	if (dialog.open() == Window.OK) {
		Object[] elements= dialog.getResult();
		IPath[] res= new IPath[elements.length];
		for (int i= 0; i < res.length; i++) {
			IResource elem= (IResource)elements[i];
			res[i]= elem.getFullPath();
		}
		return res;
	}
	return null;
}
 

private static IPath[] internalChooseFolderEntry(Shell shell, IPath initialSelection, IPath[] usedEntries, String title, String message) {
	Class<?>[] acceptedClasses= new Class[] { IProject.class, IFolder.class };

	ArrayList<IResource> usedContainers= new ArrayList<IResource>(usedEntries.length);
	IWorkspaceRoot root= ResourcesPlugin.getWorkspace().getRoot();
	for (int i= 0; i < usedEntries.length; i++) {
		IResource resource= root.findMember(usedEntries[i]);
		if (resource instanceof IContainer) {
			usedContainers.add(resource);
		}
	}

	IResource focus= initialSelection != null ? root.findMember(initialSelection) : null;
	Object[] used= usedContainers.toArray();

	MultipleFolderSelectionDialog dialog= new MultipleFolderSelectionDialog(shell, new WorkbenchLabelProvider(), new WorkbenchContentProvider());
	dialog.setExisting(used);
	dialog.setTitle(title);
	dialog.setMessage(message);
	dialog.setHelpAvailable(false);
	dialog.addFilter(new TypedViewerFilter(acceptedClasses, used));
	dialog.setInput(root);
	dialog.setInitialFocus(focus);

	if (dialog.open() == Window.OK) {
		Object[] elements= dialog.getResult();
		IPath[] res= new IPath[elements.length];
		for (int i= 0; i < res.length; i++) {
			IResource elem= (IResource) elements[i];
			res[i]= elem.getFullPath();
		}
		return res;
	}
	return null;
}
 

private String chooseWorkspaceArchive() {
	String initSelection= fArchiveField.getText();

	ILabelProvider lp= new WorkbenchLabelProvider();
	ITreeContentProvider cp= new WorkbenchContentProvider();
	Class<?>[] acceptedClasses= new Class[] { IFile.class };
	TypedElementSelectionValidator validator= new TypedElementSelectionValidator(acceptedClasses, true);

	IResource initSel= null;
	IWorkspaceRoot root= ResourcesPlugin.getWorkspace().getRoot();
	if (initSelection.length() > 0) {
		initSel= root.findMember(new Path(initSelection));
	}

	FilteredElementTreeSelectionDialog dialog= new FilteredElementTreeSelectionDialog(fShell, lp, cp);
	dialog.setInitialFilter(ArchiveFileFilter.JARZIP_FILTER_STRING);
	dialog.setAllowMultiple(false);
	dialog.setValidator(validator);
	dialog.setComparator(new ResourceComparator(ResourceComparator.NAME));
	dialog.setTitle(PreferencesMessages.JavadocConfigurationBlock_workspace_archive_selection_dialog_title);
	dialog.setMessage(PreferencesMessages.JavadocConfigurationBlock_workspace_archive_selection_dialog_description);
	dialog.setInput(root);
	dialog.setInitialSelection(initSel);
	dialog.setHelpAvailable(false);
	if (dialog.open() == Window.OK) {
		IResource res= (IResource) dialog.getFirstResult();
		return res.getFullPath().makeRelative().toString();
	}
	return null;
}
 

private String chooseInternal() {
	String initSelection= fPathField.getText();

	ILabelProvider lp= new WorkbenchLabelProvider();
	ITreeContentProvider cp= new WorkbenchContentProvider();
	Class<?>[] acceptedClasses= new Class[] { IProject.class, IFolder.class };
	TypedElementSelectionValidator validator= new TypedElementSelectionValidator(acceptedClasses, true);
	ViewerFilter filter= new TypedViewerFilter(acceptedClasses);

	IResource initSel= null;
	IWorkspaceRoot root= ResourcesPlugin.getWorkspace().getRoot();
	if (initSelection.length() > 0) {
		initSel= root.findMember(new Path(initSelection));
	}
	if (initSel == null) {
		initSel= root.findMember(fEntry.getPath());
	}

	ElementTreeSelectionDialog dialog= new ElementTreeSelectionDialog(fShell, lp, cp);
	dialog.setAllowMultiple(false);
	dialog.setValidator(validator);
	dialog.addFilter(filter);
	dialog.setComparator(new ResourceComparator(ResourceComparator.NAME));
	dialog.setTitle(NewWizardMessages.NativeLibrariesDialog_intfiledialog_title);
	dialog.setMessage(NewWizardMessages.NativeLibrariesDialog_intfiledialog_message);
	dialog.setInput(root);
	dialog.setInitialSelection(initSel);
	dialog.setHelpAvailable(false);
	if (dialog.open() == Window.OK) {
		IResource res= (IResource) dialog.getFirstResult();
		return res.getFullPath().makeRelative().toString();
	}
	return null;
}
 

private IFolder chooseFolder(String title, String message, IPath initialPath) {
	Class<?>[] acceptedClasses= new Class[] { IFolder.class };
	ISelectionStatusValidator validator= new TypedElementSelectionValidator(acceptedClasses, false);
	ViewerFilter filter= new TypedViewerFilter(acceptedClasses, null);

	ILabelProvider lp= new WorkbenchLabelProvider();
	ITreeContentProvider cp= new WorkbenchContentProvider();

	IProject currProject= fCurrJProject.getProject();

	ElementTreeSelectionDialog dialog= new ElementTreeSelectionDialog(getShell(), lp, cp);
	dialog.setValidator(validator);
	dialog.setTitle(title);
	dialog.setMessage(message);
	dialog.addFilter(filter);
	dialog.setInput(currProject);
	dialog.setComparator(new ResourceComparator(ResourceComparator.NAME));
	IResource res= currProject.findMember(initialPath);
	if (res != null) {
		dialog.setInitialSelection(res);
	}

	if (dialog.open() == Window.OK) {
		return (IFolder) dialog.getFirstResult();
	}
	return null;
}
 

private IPath chooseInternal() {
	String initSelection= fWorkspaceFileNameField.getText();

	ViewerFilter filter= new ArchiveFileFilter((List<IResource>) null, false, false);

	ILabelProvider lp= new WorkbenchLabelProvider();
	ITreeContentProvider cp= new WorkbenchContentProvider();

	IResource initSel= null;
	if (initSelection.length() > 0) {
		initSel= fWorkspaceRoot.findMember(new Path(initSelection));
	}
	if (initSel == null) {
		initSel= fWorkspaceRoot.findMember(fEntry.getPath());
	}

	FolderSelectionDialog dialog= new FolderSelectionDialog(getShell(), lp, cp);
	dialog.setAllowMultiple(false);
	dialog.addFilter(filter);
	dialog.setTitle(NewWizardMessages.SourceAttachmentBlock_intjardialog_title);
	dialog.setMessage(NewWizardMessages.SourceAttachmentBlock_intjardialog_message);
	dialog.setInput(fWorkspaceRoot);
	dialog.setInitialSelection(initSel);
	if (dialog.open() == Window.OK) {
		IResource res= (IResource) dialog.getFirstResult();
		return res.getFullPath();
	}
	return null;
}
 

private IContainer chooseContainer() {
	Class<?>[] acceptedClasses= new Class[] { IProject.class, IFolder.class };
	ISelectionStatusValidator validator= new TypedElementSelectionValidator(acceptedClasses, false);
	IProject[] allProjects= fWorkspaceRoot.getProjects();
	ArrayList<IProject> rejectedElements= new ArrayList<IProject>(allProjects.length);
	IProject currProject= fCurrJProject.getProject();
	for (int i= 0; i < allProjects.length; i++) {
		if (!allProjects[i].equals(currProject)) {
			rejectedElements.add(allProjects[i]);
		}
	}
	ViewerFilter filter= new TypedViewerFilter(acceptedClasses, rejectedElements.toArray());

	ILabelProvider lp= new WorkbenchLabelProvider();
	ITreeContentProvider cp= new WorkbenchContentProvider();

	IResource initSelection= null;
	if (fOutputLocationPath != null) {
		initSelection= fWorkspaceRoot.findMember(fOutputLocationPath);
	}

	FolderSelectionDialog dialog= new FolderSelectionDialog(getShell(), lp, cp);
	dialog.setTitle(NewWizardMessages.BuildPathsBlock_ChooseOutputFolderDialog_title);
	dialog.setValidator(validator);
	dialog.setMessage(NewWizardMessages.BuildPathsBlock_ChooseOutputFolderDialog_description);
	dialog.addFilter(filter);
	dialog.setInput(fWorkspaceRoot);
	dialog.setInitialSelection(initSelection);
	dialog.setComparator(new ResourceComparator(ResourceComparator.NAME));

	if (dialog.open() == Window.OK) {
		return (IContainer)dialog.getFirstResult();
	}
	return null;
}
 

private IFolder chooseFolder(String title, String message, IPath initialPath) {
	Class<?>[] acceptedClasses= new Class[] { IFolder.class };
	ISelectionStatusValidator validator= new TypedElementSelectionValidator(acceptedClasses, false);
	ViewerFilter filter= new TypedViewerFilter(acceptedClasses, null);

	ILabelProvider lp= new WorkbenchLabelProvider();
	ITreeContentProvider cp= new WorkbenchContentProvider();

	IProject currProject= fNewElement.getJavaProject().getProject();

	ElementTreeSelectionDialog dialog= new ElementTreeSelectionDialog(getShell(), lp, cp) {
		@Override
		protected Control createDialogArea(Composite parent) {
			Control result= super.createDialogArea(parent);
			PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, IJavaHelpContextIds.BP_CHOOSE_EXISTING_FOLDER_TO_MAKE_SOURCE_FOLDER);
			return result;
		}
	};
	dialog.setValidator(validator);
	dialog.setTitle(title);
	dialog.setMessage(message);
	dialog.addFilter(filter);
	dialog.setInput(currProject);
	dialog.setComparator(new ResourceComparator(ResourceComparator.NAME));
	IResource res= currProject.findMember(initialPath);
	if (res != null) {
		dialog.setInitialSelection(res);
	}

	if (dialog.open() == Window.OK) {
		return (IFolder) dialog.getFirstResult();
	}
	return null;
}
 

/**
 * Returns a content provider for <code>IResource</code>s that returns only children of the given resource type.
 */
private ITreeContentProvider getResourceProvider(final int resourceType) {
	return new WorkbenchContentProvider() {
		public Object[] getChildren(Object o) {
			if (o instanceof IContainer) {
				IResource[] members = null;
				try {
					members = ((IContainer) o).members();
				} catch (CoreException e) {
					// just return an empty set of children
					return new Object[0];
				}

				// filter out the desired resource types
				ArrayList results = new ArrayList();
				for (int i = 0; i < members.length; i++) {
					if (members[i].getName().equals(".config") || members[i].getName().equals(".project") ||members[i].getName().equalsIgnoreCase(".temp") ) {
						defaultExportItems.add(members[i]);
						continue;
					}
					// And the test bits with the resource types to see if they are what we want
					if ((members[i].getType() & resourceType) > 0) {
						results.add(members[i]);
					}
				}
				return results.toArray();
			}
			// input element case
			if (o instanceof ArrayList) {
				return ((ArrayList) o).toArray();
			}
			return new Object[0];
		}
	};
}
 

/**
 * Returns a content provider for <code>IResource</code>s that returns only children of the given resource type.
 */
private ITreeContentProvider getResourceProvider(final int resourceType) {
	return new WorkbenchContentProvider() {
		public Object[] getChildren(Object o) {
			if (o instanceof IContainer) {
				IResource[] members = null;
				try {
					members = ((IContainer) o).members();
				} catch (CoreException e) {
					// just return an empty set of children
					return new Object[0];
				}

				// filter out the desired resource types
				ArrayList results = new ArrayList();
				for (int i = 0; i < members.length; i++) {
					if (members[i].getName().equals(".config") || members[i].getName().equals(".project") ||members[i].getName().equalsIgnoreCase(".temp") ) {
						defaultExportItems.add(members[i]);
						continue;
					}
					// And the test bits with the resource types to see if they are what we want
					if ((members[i].getType() & resourceType) > 0) {
						results.add(members[i]);
					}
				}
				return results.toArray();
			}
			// input element case
			if (o instanceof ArrayList) {
				return ((ArrayList) o).toArray();
			}
			return new Object[0];
		}
	};
}
 

/**
 * Traverses the upper levels of tree element to:
 *
 * <ul>
 *   <li>Check them if all resources are checked
 *   <li>Gray them if some resources are checked
 *   <li>Ungray or uncheck them if no resources are checked.
 * </ul>
 *
 * @param resource
 */
protected void setParentsCheckedORGrayed(IResource resource) {
  IContainer parentResource = resource.getParent();

  if (parentResource != resource.getWorkspace().getRoot()) {
    int checkedChildren = 0;
    int grayedChildren = 0;
    Object[] childs =
        ((WorkbenchContentProvider) checkboxTreeViewer.getContentProvider())
            .getChildren(parentResource);
    for (int i = 0; i < childs.length; i++) {
      if (this.checkboxTreeViewer.getChecked(childs[i])) {
        checkedChildren++;
      }
      if (this.checkboxTreeViewer.getGrayed(childs[i])) {
        grayedChildren++;
      }
    }
    checkedChildren = checkedChildren - grayedChildren;
    if (childs.length == checkedChildren) {
      checkboxTreeViewer.setGrayed(parentResource, false);
      checkboxTreeViewer.setChecked(parentResource, true);
    } else if ((grayedChildren > 0) || (checkedChildren > 0)) {
      checkboxTreeViewer.setChecked(parentResource, true);
      checkboxTreeViewer.setGrayed(parentResource, true);
    } else {
      checkboxTreeViewer.setGrayChecked(parentResource, false);
    }
    setParentsCheckedORGrayed(parentResource);
  }
  return;
}
 

@Override
protected void configureViewer(CheckboxTreeViewer viewer) {
  viewer.setContentProvider(new WorkbenchContentProvider());
  viewer.setLabelProvider(new WorkbenchLabelProvider());
  viewer.setUseHashlookup(true);
  viewer.setSorter(new WorkbenchItemsSorter());
}
 

/**
 * Returns the displayed Project {@link IResource}s.
 *
 * @return
 */
public List<IResource> getResources() {
  WorkbenchContentProvider contentProvider =
      (WorkbenchContentProvider) getViewer().getContentProvider();

  Object[] objects = contentProvider.getElements(getViewer().getInput());
  return ArrayUtils.getAdaptableObjects(objects, IResource.class, Platform.getAdapterManager());
}
 

/**
 * Returns the displayed {@link IProject}s.
 *
 * @return
 */
public int getProjectsCount() {
  WorkbenchContentProvider contentProvider =
      (WorkbenchContentProvider) getViewer().getContentProvider();

  Object[] objects = contentProvider.getElements(getViewer().getInput());
  return ArrayUtils.getAdaptableObjects(objects, IProject.class, Platform.getAdapterManager())
      .size();
}
 

public static String openProgramPathDialog(IProject project, Button button) throws OperationCancellation {
	ElementTreeSelectionDialog dialog = new ElementTreeSelectionDialog(
		button.getShell(), new WorkbenchLabelProvider(), new WorkbenchContentProvider());
	dialog.setTitle(LangUIMessages.ProgramPathDialog_title);
	dialog.setMessage(LangUIMessages.ProgramPathDialog_message);
	
	dialog.setInput(project);
	dialog.setComparator(new ResourceComparator(ResourceComparator.NAME));
	if(dialog.open() == IDialogConstants.OK_ID) {
		IResource resource = (IResource) dialog.getFirstResult();
		return resource.getProjectRelativePath().toPortableString();
	}
	throw new OperationCancellation();
}
 

/**
 * Creates the tree viewer.
 *
 * @param parent          the parent composite
 * @return TreeViewer that shows uses Workbench Content- and LabelProvider
 */
protected ContainerCheckedTreeViewer createTreeViewer(Composite parent) {
  final ContainerCheckedTreeViewer treeViewer = new ContainerCheckedTreeViewer(parent);

  final GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
  gridData.heightHint = 150;
  treeViewer.getTree().setLayoutData(gridData);

  treeViewer.setContentProvider(new WorkbenchContentProvider());
  treeViewer.setLabelProvider(WorkbenchLabelProvider.getDecoratingWorkbenchLabelProvider());
  treeViewer.setSorter(new WorkbenchViewerSorter());

  return treeViewer;
}