/*******************************************************************************
* Copyright (c) 2005, 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 org.eclipse.jst.jsp.ui.internal.wizard;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.OutputStreamWriter;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.ProjectScope;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Preferences;
import org.eclipse.core.runtime.preferences.IScopeContext;
import org.eclipse.core.runtime.preferences.InstanceScope;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.wizard.Wizard;
import org.eclipse.jst.jsp.core.internal.JSPCorePlugin;
import org.eclipse.jst.jsp.ui.internal.JSPUIMessages;
import org.eclipse.jst.jsp.ui.internal.Logger;
import org.eclipse.jst.jsp.ui.internal.editor.JSPEditorPluginImageHelper;
import org.eclipse.jst.jsp.ui.internal.editor.JSPEditorPluginImages;
import org.eclipse.ui.INewWizard;
import org.eclipse.ui.IWorkbench;
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.sse.core.internal.encoding.CommonEncodingPreferenceNames;
import org.eclipse.wst.sse.core.utils.StringUtils;
public class NewTagWizard extends Wizard implements INewWizard {
private NewTagFileWizardPage fNewFilePage;
private NewTagTemplatesWizardPage fNewFileTemplatesPage;
private IStructuredSelection fSelection;
public void addPages() {
fNewFilePage = new NewTagFileWizardPage("TagWizardNewFileCreationPage", new StructuredSelection(IDE.computeSelectedResources(fSelection))); //$NON-NLS-1$
fNewFilePage.setTitle(JSPUIMessages._UI_WIZARD_TAG_NEW_HEADING);
fNewFilePage.setDescription(JSPUIMessages._UI_WIZARD_TAG_NEW_DESCRIPTION);
addPage(fNewFilePage);
fNewFileTemplatesPage = new NewTagTemplatesWizardPage();
addPage(fNewFileTemplatesPage);
}
private String applyLineDelimiter(IFile file, String text) {
String lineDelimiter = Platform.getPreferencesService().getString(Platform.PI_RUNTIME, Platform.PREF_LINE_SEPARATOR, System.getProperty("line.separator"), new IScopeContext[] {new ProjectScope(file.getProject()), new InstanceScope() });//$NON-NLS-1$
String convertedText = StringUtils.replace(text, "\r\n", "\n");
convertedText = StringUtils.replace(convertedText, "\r", "\n");
convertedText = StringUtils.replace(convertedText, "\n", lineDelimiter);
return convertedText;
}
public void init(IWorkbench aWorkbench, IStructuredSelection aSelection) {
fSelection = aSelection;
setWindowTitle(JSPUIMessages._UI_WIZARD_TAG_NEW_TITLE);
ImageDescriptor descriptor = JSPEditorPluginImageHelper.getInstance().getImageDescriptor(JSPEditorPluginImages.IMG_OBJ_WIZBAN_NEWTAGFILE);
setDefaultPageImageDescriptor(descriptor);
}
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) {
Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e);
}
}
});
}
}
public boolean performFinish() {
boolean performedOK = false;
// save user options for next use
fNewFileTemplatesPage.saveLastSavedPreferences();
// no file extension specified so add default extension
String fileName = fNewFilePage.getFileName();
if (fileName.lastIndexOf('.') == -1) {
String newFileName = fNewFilePage.addDefaultExtension(fileName);
fNewFilePage.setFileName(newFileName);
}
// create a new empty file
IFile file = fNewFilePage.createNewFile();
// if there was problem with creating file, it will be null, so make
// sure to check
if (file != null) {
// put template contents into file
String templateString = fNewFileTemplatesPage.getTemplateString();
if (templateString != null) {
templateString = applyLineDelimiter(file, templateString);
// determine the encoding for the new file
Preferences preference = JSPCorePlugin.getDefault().getPluginPreferences();
String charSet = preference.getString(CommonEncodingPreferenceNames.OUTPUT_CODESET);
try {
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
OutputStreamWriter outputStreamWriter = null;
if (charSet == null || charSet.trim().equals("")) { //$NON-NLS-1$
// just use default encoding
outputStreamWriter = new OutputStreamWriter(outputStream);
}
else {
outputStreamWriter = new OutputStreamWriter(outputStream, charSet);
}
outputStreamWriter.write(templateString);
outputStreamWriter.flush();
outputStreamWriter.close();
ByteArrayInputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());
file.setContents(inputStream, true, false, null);
inputStream.close();
}
catch (Exception e) {
Logger.log(Logger.WARNING_DEBUG, "Could not create contents for new Tag file", e); //$NON-NLS-1$
}
}
// open the file in editor
openEditor(file);
// everything's fine
performedOK = true;
}
return performedOK;
}
}