DSSDFS

/*******************************************************************************

 * Copyright (c) 2000, 2008 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 com.gg.eclipse.closure.ui.properties;



import org.eclipse.core.resources.IContainer;

import org.eclipse.jface.viewers.ILabelProvider;

import org.eclipse.jface.viewers.ISelectionChangedListener;

import org.eclipse.jface.viewers.IStructuredSelection;

import org.eclipse.jface.viewers.ITreeContentProvider;

import org.eclipse.jface.viewers.SelectionChangedEvent;

import org.eclipse.jface.viewers.StructuredSelection;

import org.eclipse.jface.viewers.TreeViewer;

import org.eclipse.jface.viewers.ViewerFilter;

import org.eclipse.jface.window.Window;

import org.eclipse.swt.SWT;

import org.eclipse.swt.events.SelectionAdapter;

import org.eclipse.swt.events.SelectionEvent;

import org.eclipse.swt.widgets.Button;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Control;

import org.eclipse.swt.widgets.Shell;

import org.eclipse.ui.PlatformUI;

import org.eclipse.ui.dialogs.ElementTreeSelectionDialog;

import org.eclipse.ui.dialogs.NewFolderDialog;

import org.eclipse.ui.views.navigator.ResourceComparator;



/**

  */

public class FolderSelectionDialog extends ElementTreeSelectionDialog implements ISelectionChangedListener {



	private Button fNewFolderButton;

	private IContainer fSelectedContainer;



	public FolderSelectionDialog(Shell parent, ILabelProvider labelProvider, ITreeContentProvider contentProvider) {

		super(parent, labelProvider, contentProvider);

		setComparator(new ResourceComparator(ResourceComparator.NAME));

	}



	/* (non-Javadoc)

	 * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)

	 */

	protected Control createDialogArea(Composite parent) {

		Composite result= (Composite)super.createDialogArea(parent);

		

		getTreeViewer().addSelectionChangedListener(this);

		

		Button button = new Button(result, SWT.PUSH);

		//button.setText(NewWizardMessages.FolderSelectionDialog_button);

		button.setText("New Folders....");

		button.addSelectionListener(new SelectionAdapter() {

			public void widgetSelected(SelectionEvent event) {

				newFolderButtonPressed();

			}

		});

		button.setFont(parent.getFont());

		fNewFolderButton= button;

		

		applyDialogFont(result);



		//PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, IJavaHelpContextIds.BP_SELECT_DEFAULT_OUTPUT_FOLDER_DIALOG);

		

		return result;

	}



	public void addFilter(ViewerFilter filter) {

		super.addFilter(filter);

	}



	private void updateNewFolderButtonState() {

		IStructuredSelection selection= (IStructuredSelection) getTreeViewer().getSelection();

		fSelectedContainer= null;

		if (selection.size() == 1) {

			Object first= selection.getFirstElement();

			if (first instanceof IContainer) {

				fSelectedContainer= (IContainer) first;

			}

		}

		fNewFolderButton.setEnabled(fSelectedContainer != null);

	}	

	

	protected void newFolderButtonPressed() {

		NewFolderDialog dialog= new NewFolderDialog(getShell(), fSelectedContainer) {

			protected Control createContents(Composite parent) {

				//PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, IJavaHelpContextIds.BP_CREATE_NEW_FOLDER);

				return super.createContents(parent);

			}

		};

		if (dialog.open() == Window.OK) {

			TreeViewer treeViewer= getTreeViewer();

			treeViewer.refresh(fSelectedContainer);

			Object createdFolder= dialog.getResult()[0];

			treeViewer.reveal(createdFolder);

			treeViewer.setSelection(new StructuredSelection(createdFolder));

		}

	}

	

	/* (non-Javadoc)

	 * @see org.eclipse.jface.viewers.ISelectionChangedListener#selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent)

	 */

	public void selectionChanged(SelectionChangedEvent event) {

		updateNewFolderButtonState();

	}