/*
 * Copyright (c) 2007 Stiftung Deutsches Elektronen-Synchrotron,
 * Member of the Helmholtz Association, (DESY), HAMBURG, GERMANY.
 *
 * THIS SOFTWARE IS PROVIDED UNDER THIS LICENSE ON AN "../AS IS" BASIS.
 * WITHOUT WARRANTY OF ANY KIND, EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED
 * TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR PARTICULAR PURPOSE AND
 * NON-INFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
 * FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. SHOULD THE SOFTWARE PROVE DEFECTIVE
 * IN ANY RESPECT, THE USER ASSUMES THE COST OF ANY NECESSARY SERVICING, REPAIR OR
 * CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE.
 * NO USE OF ANY SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER THIS DISCLAIMER.
 * DESY HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS,
 * OR MODIFICATIONS.
 * THE FULL LICENSE SPECIFYING FOR THE SOFTWARE THE REDISTRIBUTION, MODIFICATION,
 * USAGE AND OTHER RIGHTS AND OBLIGATIONS IS INCLUDED WITH THE DISTRIBUTION OF THIS
 * PROJECT IN THE FILE LICENSE.HTML. IF THE LICENSE IS NOT INCLUDED YOU MAY FIND A COPY
 * AT HTTP://WWW.DESY.DE/LEGAL/LICENSE.HTM
 */

package org.csstudio.platform.ui.dialogs;

import org.csstudio.platform.ui.composites.ResourceSelectionGroup;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.swt.widgets.Widget;

/**
 * This class represents a Dialog to choose a file in the workspace.
 * 
 * @author Kai Meyer, Joerg Rathlev
 */
public final class ResourceSelectionDialog extends Dialog implements Listener {
	/**
	 * The message to display, or <code>null</code> if none.
	 */
	private String _message;
	
	/**
	 * The {@link WorkspaceTreeComposite} for this dialog.
	 */
	private ResourceSelectionGroup _resourceSelectionGroup;
	
	/**
	 * The file extensions of files that will be shown for selection.
	 */
	private String[] _fileExtensions;
	
	/**
	 * The path of the selected resource.
	 */
	private IPath _path;

    private Text _resourcePathText;

	/**
	 * Creates an input dialog with OK and Cancel buttons. Note that the dialog
	 * will have no visual representation (no widgets) until it is told to open.
	 * <p>
	 * Note that the <code>open</code> method blocks for input dialogs.
	 * </p>
	 * 
	 * @param parentShell
	 *            the parent shell, or <code>null</code> to create a top-level
	 *            shell
	 * @param dialogMessage
	 *            the dialog message, or <code>null</code> if none
	 * @param fileExtensions
	 *            the file extensions of files to show in the dialog. Use an
	 *            empty array or <code>null</code> to show only containers
	 *            (folders).
	 */
	public ResourceSelectionDialog(final Shell parentShell,
			final String dialogMessage, final String[] fileExtensions) {
		super(parentShell);
		this.setShellStyle(SWT.MODELESS | SWT.CLOSE | SWT.MAX | SWT.TITLE
				| SWT.BORDER | SWT.RESIZE);
		_message = dialogMessage;
		_fileExtensions = fileExtensions;
	}
	
	/**
	 * Sets the initially selected resource. Must be called before the dialog is
	 * displayed.
	 * 
	 * @param path
	 *            the path to the initially selected resource.
	 */
	public void setSelectedResource(final IPath path) {
		_path = path;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	protected void configureShell(final Shell shell) {
		super.configureShell(shell);
		shell.setText("Resources");
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	protected Control createDialogArea(final Composite parent) {
		Composite composite = (Composite) super.createDialogArea(parent);
		composite.setLayout(new GridLayout(1, false));
		if (_message != null) {
			Label label = new Label(composite, SWT.WRAP);
			label.setText(_message);
			GridData data = new GridData(GridData.GRAB_HORIZONTAL
					| GridData.HORIZONTAL_ALIGN_FILL
					| GridData.VERTICAL_ALIGN_CENTER);
			data.horizontalSpan = 2;
			data.widthHint = convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH);
			label.setLayoutData(data);
		}
		
		// The New Project and New Folder actions will be shown if there are
		// no file extensions, i.e. if the dialog is opened to select a folder.
		boolean showNewContainerActions = (_fileExtensions == null 
				|| _fileExtensions.length == 0);
		
		_resourceSelectionGroup = new ResourceSelectionGroup(composite, this,
				_fileExtensions, showNewContainerActions);
		new Label(composite, SWT.NONE).setText("Resource Path:");
		_resourcePathText = new Text(composite, SWT.SINGLE | SWT.LEAD | SWT.BORDER);
        _resourcePathText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
        if (_path != null && !_path.isEmpty()) {
            _resourcePathText.setText(_path.toString());
            _resourceSelectionGroup.setSelectedResource(_path);
        }
		return composite;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	protected void okPressed() {
//      _path = _resourceSelectionGroup.getFullPath();
        _path = new Path(_resourcePathText.getText());

		super.okPressed();
	}

	/**
	 * Returns the path to the selected resource.
	 * 
	 * @return the path to the selected resource, or <code>null</code> if no
	 *         resource was selected.
	 */
	public IPath getSelectedResource() {
		return _path;
	}

    public void handleEvent(Event event) {
        ResourceSelectionGroup widget = (ResourceSelectionGroup) event.widget;
        _resourcePathText.setText(widget.getFullPath().toString());
    }
}

@@ -2008,47 +2008,8 @@
 ext;
-%0Aimport org.eclipse.swt.widgets.Widget;
 %0A%0A/*

remove unused imports