/*******************************************************************************
 * Copyright (c) 2007, 2008 Standards for Technology in Automotive Retail (STAR) 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:
 *     David Carver/STAR - dcarver@starstandard.org/d_a_carver@yahoo.com - bug 192568
 *            Initial API - This implements the functionality of the
 *            old Import Dialog for the XML Catalog. 
 *     
 *******************************************************************************/
package org.eclipse.wst.xml.ui.internal.wizards;

import org.eclipse.core.resources.IFile;
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.jface.wizard.WizardPage;
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.wst.common.ui.internal.viewers.SelectSingleFileView;

public class ImportXMLCatalogPage extends WizardPage {

	protected SelectSingleFileView selectSingleFileView;
	protected IStructuredSelection selection;
	

	public ImportXMLCatalogPage() {
		super(XMLWizardsMessages._UI_DIALOG_XMLCATALOG_IMPORT_TITLE);
		setTitle(XMLWizardsMessages._UI_DIALOG_XMLCATALOG_IMPORT_TITLE);
		selection = new StructuredSelection();
		selectSingleFileView = new SelectSingleFileView(selection, false) {
			public void createFilterControl(Composite composite) {
				ImportXMLCatalogPage.this.createFilterControl(composite);
			}
		};

	}

	public void createControl(Composite parent) {
		Composite composite = new Composite(parent, SWT.NULL);
		composite.setLayout(new GridLayout());
		GridData gd = new GridData(GridData.FILL_BOTH);
		gd.widthHint = 350;
		gd.heightHint = 350;
		composite.setLayoutData(gd);
		String[] extensions = { ".xmlcatalog", ".xml" }; //$NON-NLS-1$ //$NON-NLS-2$
		selectSingleFileView.addFilterExtensions(extensions);
		selectSingleFileView.createControl(composite);
		selectSingleFileView.setVisibleHelper(true);
		selectSingleFileView.addSelectionChangedTreeListener(new ISelectionChangedListener(){
			public void selectionChanged(SelectionChangedEvent event) {
				ImportXMLCatalogPage.this.setPageComplete(selectSingleFileView.getFile() != null);
			}
		});
		setControl(composite);
	}

	public void createFilterControl(Composite composite) {
	}

	public IFile getFile() {
		return selectSingleFileView.getFile();
	}
}