/*******************************************************************************
 * Copyright (c) 2003, 2007 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 org.eclipse.jst.servlet.ui.internal.wizard;

import java.lang.reflect.InvocationTargetException;

import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.Path;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jst.j2ee.internal.common.operations.INewJavaClassDataModelProperties;
import org.eclipse.jst.j2ee.internal.plugin.J2EEEditorUtility;
import org.eclipse.jst.j2ee.internal.plugin.J2EEUIPlugin;
import org.eclipse.jst.j2ee.internal.project.J2EEProjectUtilities;
import org.eclipse.jst.j2ee.internal.web.operations.INewServletClassDataModelProperties;
import org.eclipse.jst.j2ee.internal.web.operations.NewServletClassDataModelProvider;
import org.eclipse.jst.j2ee.web.componentcore.util.WebArtifactEdit;
import org.eclipse.jst.servlet.ui.IWebUIContextIds;
import org.eclipse.jst.servlet.ui.internal.plugin.ServletUIPlugin;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.ide.IDE;
import org.eclipse.wst.common.componentcore.ComponentCore;
import org.eclipse.wst.common.componentcore.resources.IVirtualComponent;
import org.eclipse.wst.common.frameworks.datamodel.IDataModel;
import org.eclipse.wst.common.frameworks.datamodel.IDataModelProvider;

/**
 * New servlet wizard
 */
public class AddServletWizard extends NewWebWizard {
	private static final String PAGE_ONE = "pageOne"; //$NON-NLS-1$
	private static final String PAGE_TWO = "pageTwo"; //$NON-NLS-1$
	private static final String PAGE_THREE = "pageThree"; //$NON-NLS-1$
	/**
	 * @param model
	 */
	public AddServletWizard(IDataModel model) {
		super(model);
		setWindowTitle(IWebWizardConstants.ADD_SERVLET_WIZARD_WINDOW_TITLE);
		setDefaultPageImageDescriptor(J2EEUIPlugin.getDefault().getImageDescriptor("newservlet_wiz")); //$NON-NLS-1$
	}
	
	public AddServletWizard() {
	    this(null);
	}
	
	/* (non-Javadoc)
	 * @see org.eclipse.jface.wizard.Wizard#addPages()
	 */
	public void doAddPages() {
		
		NewServletClassWizardPage page1 = new NewServletClassWizardPage(
				getDataModel(), 
				PAGE_ONE,
				IWebWizardConstants.NEW_JAVA_CLASS_DESTINATION_WIZARD_PAGE_DESC,
				IWebWizardConstants.ADD_SERVLET_WIZARD_PAGE_TITLE, J2EEProjectUtilities.DYNAMIC_WEB);
		page1.setInfopopID(IWebUIContextIds.WEBEDITOR_SERVLET_PAGE_ADD_SERVLET_WIZARD_1);
		addPage(page1);
		AddServletWizardPage page2 = new AddServletWizardPage(getDataModel(), PAGE_TWO);
		page2.setInfopopID(IWebUIContextIds.WEBEDITOR_SERVLET_PAGE_ADD_SERVLET_WIZARD_2);
		addPage(page2);
		NewServletClassOptionsWizardPage page3 = new NewServletClassOptionsWizardPage(
				getDataModel(), 
				PAGE_THREE,
				IWebWizardConstants.NEW_JAVA_CLASS_OPTIONS_WIZARD_PAGE_DESC,
				IWebWizardConstants.ADD_SERVLET_WIZARD_PAGE_TITLE);
		page3.setInfopopID(IWebUIContextIds.WEBEDITOR_SERVLET_PAGE_ADD_SERVLET_WIZARD_3);
		addPage(page3);
	}
	
	/* (non-Javadoc)
	 * @see org.eclipse.jem.util.ui.wizard.WTPWizard#runForked()
	 */
	protected boolean runForked() {
		return false;
	}
	
	public boolean canFinish() {
		return getDataModel().isValid();
	}
	
	protected void postPerformFinish() throws InvocationTargetException {
		//open new servlet class in java editor
		WebArtifactEdit artifactEdit = null;
		try {

			String className = getDataModel().getStringProperty(INewJavaClassDataModelProperties.QUALIFIED_CLASS_NAME);
			IProject p = (IProject) getDataModel().getProperty(INewJavaClassDataModelProperties.PROJECT);
			boolean isServlet = getDataModel().getBooleanProperty(INewServletClassDataModelProperties.IS_SERVLET_TYPE);
			if (isServlet) {
				// servlet class
				IJavaProject javaProject = J2EEEditorUtility.getJavaProject(p);
				IFile file = (IFile) javaProject.findType(className).getResource();
				openEditor(file);

			} else {
				// jsp
				IVirtualComponent component = ComponentCore.createComponent(p);
				IContainer webContent = component.getRootFolder().getUnderlyingFolder();
				IFile file = webContent.getFile(new Path(className));
				openEditor(file);
			}
		} catch (Exception cantOpen) {
			ServletUIPlugin.log(cantOpen);
		} finally {
			if (artifactEdit!=null)
				artifactEdit.dispose();
		}	
	}

	private void openEditor(final IFile file) {
		if (file != null) {
			getShell().getDisplay().asyncExec(new Runnable() {
				public void run() {
					try {
						IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
						IDE.openEditor(page, file, true);
					}
					catch (PartInitException e) {
						ServletUIPlugin.log(e);
					}
				}
			});
		}
	}

	protected IDataModelProvider getDefaultProvider() {
		return new NewServletClassDataModelProvider();
	}
}