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/*******************************************************************************
* Copyright (c) 2004, 2008 John Krasnay 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:
* John Krasnay - initial API and implementation
* Igor Jacy Lino Campista - Java 5 warnings fixed (bug 311325)
*******************************************************************************/
package org.eclipse.wst.xml.vex.ui.internal.wizards;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.text.MessageFormat;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IEditorDescriptor;
import org.eclipse.ui.IEditorRegistry;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.ide.IDE;
import org.eclipse.ui.internal.registry.EditorDescriptor;
import org.eclipse.ui.internal.registry.EditorRegistry;
import org.eclipse.ui.internal.registry.FileEditorMapping;
import org.eclipse.ui.wizards.newresource.BasicNewResourceWizard;
import org.eclipse.wst.xml.vex.core.internal.dom.Document;
import org.eclipse.wst.xml.vex.core.internal.dom.DocumentWriter;
import org.eclipse.wst.xml.vex.core.internal.dom.RootElement;
import org.eclipse.wst.xml.vex.core.internal.widget.CssWhitespacePolicy;
import org.eclipse.wst.xml.vex.ui.internal.VexPlugin;
import org.eclipse.wst.xml.vex.ui.internal.config.Style;
import org.eclipse.wst.xml.vex.ui.internal.editor.DocumentFileCreationPage;
import org.eclipse.wst.xml.vex.ui.internal.editor.DocumentTypeSelectionPage;
import org.eclipse.wst.xml.vex.ui.internal.editor.Messages;
import org.eclipse.wst.xml.vex.ui.internal.editor.VexEditor;
/**
* Wizard for creating a new Vex document.
*/
public class NewDocumentWizard extends BasicNewResourceWizard {
public void addPages() {
this.typePage = new DocumentTypeSelectionPage();
this.filePage = new DocumentFileCreationPage(
"filePage", this.getSelection()); //$NON-NLS-1$
addPage(typePage);
addPage(filePage);
}
public void init(IWorkbench workbench, IStructuredSelection currentSelection) {
super.init(workbench, currentSelection);
this.setWindowTitle(Messages.getString("NewDocumentWizard.title")); //$NON-NLS-1$
}
public boolean performFinish() {
try {
RootElement root = new RootElement(this.typePage
.getRootElementName());
Document doc = new Document(root);
doc.setPublicID(this.typePage.getDocumentType().getPublicId());
doc.setSystemID(this.typePage.getDocumentType().getSystemId());
Style style = VexEditor.getPreferredStyle(doc.getPublicID());
if (style == null) {
MessageDialog
.openError(
this.getShell(),
Messages
.getString("NewDocumentWizard.noStyles.title"), Messages.getString("NewDocumentWizard.noStyles.message")); //$NON-NLS-1$ //$NON-NLS-2$
return false;
// TODO: don't allow selection of types with no stylesheets
}
ByteArrayOutputStream baos = new ByteArrayOutputStream();
DocumentWriter writer = new DocumentWriter();
writer.setWhitespacePolicy(new CssWhitespacePolicy(style
.getStyleSheet()));
writer.write(doc, baos);
baos.close();
ByteArrayInputStream bais = new ByteArrayInputStream(baos
.toByteArray());
filePage.setInitialContents(bais);
IFile file = filePage.createNewFile();
IDE.setDefaultEditor(file, VexEditor.ID);
this.selectAndReveal(file);
registerEditorForFilename(
"*." + file.getFileExtension(), VexEditor.ID); //$NON-NLS-1$
// Open editor on new file.
IWorkbenchWindow dw = getWorkbench().getActiveWorkbenchWindow();
if (dw != null) {
IWorkbenchPage page = dw.getActivePage();
if (page != null) {
IDE.openEditor(page, file, true);
}
}
this.typePage.saveSettings();
return true;
} catch (Exception ex) {
String message = MessageFormat.format(Messages
.getString("NewDocumentWizard.errorLoading.message"),
new Object[] { filePage.getFileName(), ex.getMessage() });
VexPlugin.getInstance().log(IStatus.ERROR, message, ex);
MessageDialog
.openError(
this.getShell(),
Messages
.getString("NewDocumentWizard.errorLoading.title"), "Unable to create " + filePage.getFileName()); //$NON-NLS-1$ //$NON-NLS-2$
return false;
}
}
// =========================================================== PRIVATE
private DocumentTypeSelectionPage typePage;
private DocumentFileCreationPage filePage;
/**
* Register an editor to use for files with the given filename.
*
* NOTE: this method uses internal, undocumented Eclipse functionality. It
* may therefore break in a future version of Eclipse.
*
* @param fileName
* Filename to be registered. Use the form "*.ext" to register
* all files with a given extension.
* @param editorId
* ID of the editor to use for the given filename.
*/
private static void registerEditorForFilename(String fileName,
String editorId) {
EditorDescriptor ed = getEditorDescriptor(editorId);
if (ed == null) {
return;
}
IEditorRegistry reg = PlatformUI.getWorkbench().getEditorRegistry();
EditorRegistry ereg = (EditorRegistry) reg;
FileEditorMapping[] mappings = (FileEditorMapping[]) ereg
.getFileEditorMappings();
FileEditorMapping mapping = null;
for (FileEditorMapping fem : mappings) {
if (fem.getLabel().equals(fileName)) {
mapping = (FileEditorMapping) fem;
break;
}
}
if (mapping != null) {
// found mapping for fileName
// make sure it includes our editor
for (IEditorDescriptor editor : mapping.getEditors()) {
if (editor.getId().equals(editorId)) {
// already mapped
return;
}
}
// editor not in the list, so add it
mapping.addEditor(ed);
ereg.setFileEditorMappings(mappings);
ereg.saveAssociations();
} else {
// no mapping found for the filename
// let's add one
String name = null;
String ext = null;
int iDot = fileName.lastIndexOf('.');
if (iDot == -1) {
name = fileName;
} else {
name = fileName.substring(0, iDot);
ext = fileName.substring(iDot + 1);
}
mapping = new FileEditorMapping(name, ext);
FileEditorMapping[] newMappings = new FileEditorMapping[mappings.length + 1];
mapping.addEditor(ed);
System.arraycopy(mappings, 0, newMappings, 0, mappings.length);
newMappings[mappings.length] = mapping;
ereg.setFileEditorMappings(newMappings);
ereg.saveAssociations();
}
}
/**
* Return the IEditorDescriptor for the given editor ID.
*/
private static EditorDescriptor getEditorDescriptor(String editorId) {
EditorRegistry reg = (EditorRegistry) PlatformUI.getWorkbench()
.getEditorRegistry();
for (IEditorDescriptor editor : reg.getSortedEditorsFromPlugins()) {
if (editor.getId().equals(editorId)) {
return (EditorDescriptor) editor;
}
}
return null;
}
}
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