/*******************************************************************************
 * 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 Export Dialog for the XML Catalog. 
 *     
 *******************************************************************************/
package org.eclipse.wst.xml.ui.internal.wizards;

import java.io.File;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IExportWizard;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.dialogs.WizardNewFileCreationPage;
import org.eclipse.ui.wizards.newresource.BasicNewFileResourceWizard;
import org.eclipse.wst.xml.core.internal.XMLCorePlugin;
import org.eclipse.wst.xml.core.internal.catalog.CatalogSet;
import org.eclipse.wst.xml.core.internal.catalog.provisional.ICatalog;
import org.eclipse.wst.xml.core.internal.catalog.provisional.INextCatalog;
import org.eclipse.wst.xml.ui.internal.editor.XMLEditorPluginImageHelper;
import org.eclipse.wst.xml.ui.internal.editor.XMLEditorPluginImages;

public class ExportXMLCatalogWizard extends BasicNewFileResourceWizard implements IExportWizard {

	protected WizardNewFileCreationPage exportPage = null;
	protected ICatalog workingUserCatalog = null;
	protected ICatalog userCatalog = null;
	
	public ExportXMLCatalogWizard() {
		setWindowTitle(XMLWizardsMessages._UI_DIALOG_XMLCATALOG_EXPORT_TITLE);
		ImageDescriptor descriptor = XMLEditorPluginImageHelper.getInstance().getImageDescriptor(XMLEditorPluginImages.IMG_WIZBAN_GENERATEXML);
		setDefaultPageImageDescriptor(descriptor);
		ICatalog defaultCatalog = XMLCorePlugin.getDefault().getDefaultXMLCatalog();
		INextCatalog[] nextCatalogs = defaultCatalog.getNextCatalogs();
		for (int i = 0; i < nextCatalogs.length; i++) {
			INextCatalog catalog = nextCatalogs[i];
			ICatalog referencedCatalog = catalog.getReferencedCatalog();
			if (referencedCatalog != null) {
				if (XMLCorePlugin.USER_CATALOG_ID.equals(referencedCatalog.getId())) {
					userCatalog = referencedCatalog;
				}
			}
		}
		CatalogSet tempCatalogSet = new CatalogSet();
		workingUserCatalog = tempCatalogSet.lookupOrCreateCatalog("working", ""); //$NON-NLS-1$ //$NON-NLS-2$
		workingUserCatalog.addEntriesFromCatalog(userCatalog);

	}

	public boolean performFinish() {
		IWorkspace workspace = ResourcesPlugin.getWorkspace();
		IWorkspaceRoot workspaceRoot = workspace.getRoot();
		String workspacePath = workspaceRoot.getLocation().toOSString();
		String fullPath = workspacePath + exportPage.getContainerFullPath().toOSString();
		String requiredString=fullPath + File.separator + exportPage.getFileName();
		try {
			IFile file = exportPage.createNewFile();
			workingUserCatalog.setLocation(requiredString);
			workingUserCatalog.save();
			file.refreshLocal(IResource.DEPTH_ZERO, null);
		} catch (Exception ex) {
			return false;
		}
		return true;
	}
	
	public void addPages() {
		exportPage = new WizardNewFileCreationPage("XML Catalog Export",  getSelection());
		exportPage.setTitle(XMLWizardsMessages._UI_DIALOG_XMLCATALOG_EXPORT_TITLE);
		exportPage.setDescription(XMLWizardsMessages._UI_DIALOG_XMLCATALOG_EXPORT_DESCRIPTION);
		exportPage.setFileExtension("xml"); //$NON-NLS-1$
		
		addPage(exportPage);
	}
	
	public void init(IWorkbench workbench, IStructuredSelection currentSelection) {
		super.init(workbench, currentSelection);
		setWindowTitle(XMLWizardsMessages._UI_DIALOG_XMLCATALOG_EXPORT_TITLE);
		ImageDescriptor descriptor = XMLEditorPluginImageHelper.getInstance().getImageDescriptor(XMLEditorPluginImages.IMG_WIZBAN_GENERATEXML);
		setDefaultPageImageDescriptor(descriptor);
	}
}