/**
* <copyright>
* </copyright>
*
* $Id$
*/
package org.eclipse.gmf.gmfgraph.presentation;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.Path;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.ContentHandler;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
import org.eclipse.emf.ecore.xmi.XMLResource;
import org.eclipse.emf.edit.ui.provider.ExtendedImageRegistry;
import org.eclipse.gmf.gmfgraph.GMFGraphPackage;
import org.eclipse.gmf.gmfgraph.provider.GMFGraphEditPlugin;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.wizard.Wizard;
import org.eclipse.ui.INewWizard;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.actions.WorkspaceModifyOperation;
import org.eclipse.ui.dialogs.WizardNewFileCreationPage;
import org.eclipse.ui.part.FileEditorInput;
import org.eclipse.ui.part.ISetSelectionTarget;
/**
* This is a simple wizard for creating a new model file.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
public class GMFGraphModelWizard extends Wizard implements INewWizard {
/**
* This is the file creation page.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected GMFGraphModelWizardNewFileCreationPage newFileCreationPage;
/**
* Remember the selection during initialization for populating the default container.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected IStructuredSelection selection;
/**
* Remember the workbench during initialization.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected IWorkbench workbench;
/**
* This just records the information.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void init(IWorkbench workbench, IStructuredSelection selection) {
this.workbench = workbench;
this.selection = selection;
setWindowTitle(GMFGraphEditPlugin.INSTANCE.getString("_UI_Wizard_label"));
setDefaultPageImageDescriptor(ExtendedImageRegistry.INSTANCE.getImageDescriptor(GMFGraphEditPlugin.INSTANCE.getImage("full/wizban/NewGMFGraph")));
}
/**
* Create a new model.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
protected EObject createInitialModel() {
return GMFGraphPackage.eINSTANCE.getGMFGraphFactory().createCanvas();
}
/**
* Do the work after everything is specified.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
public boolean performFinish() {
try {
final IFile modelFile = getModelFile();
createModelFile(modelFile);
return openEditor(modelFile);
}
catch (Exception exception) {
GMFGraphEditPlugin.INSTANCE.log(exception);
return false;
}
}
protected void createModelFile(final IFile modelFile) throws Exception {
WorkspaceModifyOperation operation =
new WorkspaceModifyOperation() {
protected void execute(IProgressMonitor progressMonitor) {
try {
// Create a resource set
//
ResourceSet resourceSet = new ResourceSetImpl();
// Get the URI of the model file.
//
URI fileURI = URI.createPlatformResourceURI(modelFile.getFullPath().toString(), true);
// Create a resource for this file.
//
Resource resource = resourceSet.createResource(fileURI, ContentHandler.UNSPECIFIED_CONTENT_TYPE);
// Add the initial model object to the contents.
//
EObject rootObject = createInitialModel();
if (rootObject != null) {
resource.getContents().add(rootObject);
}
// Save the contents of the resource to the file system.
//
Map<String, String> options = new HashMap<String, String>();
options.put(XMLResource.OPTION_ENCODING, "UTF-8");
resource.save(options);
}
catch (Exception exception) {
GMFGraphEditPlugin.INSTANCE.log(exception);
}
finally {
progressMonitor.done();
}
}
};
getContainer().run(false, false, operation);
}
protected boolean openEditor(IFile modelFile) {
// Select the new file resource in the current view.
//
IWorkbenchWindow workbenchWindow = workbench.getActiveWorkbenchWindow();
IWorkbenchPage page = workbenchWindow.getActivePage();
final IWorkbenchPart activePart = page.getActivePart();
if (activePart instanceof ISetSelectionTarget) {
final ISelection targetSelection = new StructuredSelection(modelFile);
getShell().getDisplay().asyncExec
(new Runnable() {
public void run() {
((ISetSelectionTarget)activePart).selectReveal(targetSelection);
}
});
}
// Open an editor on the new file.
//
try {
page.openEditor
(new FileEditorInput(modelFile),
workbench.getEditorRegistry().getDefaultEditor(modelFile.getFullPath().toString()).getId());
}
catch (PartInitException exception) {
MessageDialog.openError(workbenchWindow.getShell(), GMFGraphEditPlugin.INSTANCE.getString("_UI_OpenEditorError_label"), exception.getMessage());
return false;
}
return true;
}
/**
* This is the one page of the wizard.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public class GMFGraphModelWizardNewFileCreationPage extends WizardNewFileCreationPage {
/**
* Pass in the selection.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public GMFGraphModelWizardNewFileCreationPage(String pageId, IStructuredSelection selection) {
super(pageId, selection);
}
/**
* The framework calls this to see if the file is correct.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected boolean validatePage() {
if (super.validatePage()) {
// Make sure the file ends in ".gmfgraph".
//
String requiredExt = GMFGraphEditPlugin.INSTANCE.getString("_UI_GMFGraphEditorFilenameExtension");
String enteredExt = new Path(getFileName()).getFileExtension();
if (enteredExt == null || !enteredExt.equals(requiredExt)) {
setErrorMessage(GMFGraphEditPlugin.INSTANCE.getString("_WARN_FilenameExtension", new Object [] { requiredExt }));
return false;
}
else {
return true;
}
}
else {
return false;
}
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public IFile getModelFile() {
return ResourcesPlugin.getWorkspace().getRoot().getFile(getContainerFullPath().append(getFileName()));
}
}
/**
* The framework calls this to create the contents of the wizard.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
public void addPages() {
// Create a page, set the title, and the initial model file name.
//
newFileCreationPage = new GMFGraphModelWizardNewFileCreationPage("Whatever", selection);
newFileCreationPage.setTitle(GMFGraphEditPlugin.INSTANCE.getString("_UI_GMFGraphModelWizard_label"));
newFileCreationPage.setDescription(GMFGraphEditPlugin.INSTANCE.getString("_UI_GMFGraphModelWizard_description"));
newFileCreationPage.setFileName(GMFGraphEditPlugin.INSTANCE.getString("_UI_GMFGraphEditorFilenameDefaultBase") + "." + GMFGraphEditPlugin.INSTANCE.getString("_UI_GMFGraphEditorFilenameExtension"));
addPage(newFileCreationPage);
// Try and get the resource selection to determine a current directory for the file dialog.
//
if (selection != null && !selection.isEmpty()) {
// Get the resource...
//
Object selectedElement = selection.iterator().next();
if (selectedElement instanceof IResource) {
// Get the resource parent, if its a file.
//
IResource selectedResource = (IResource)selectedElement;
if (selectedResource.getType() == IResource.FILE) {
selectedResource = selectedResource.getParent();
}
// This gives us a directory...
//
if (selectedResource instanceof IFolder || selectedResource instanceof IProject) {
// Set this for the container.
//
newFileCreationPage.setContainerFullPath(selectedResource.getFullPath());
// Make up a unique new name here.
//
String defaultModelBaseFilename = GMFGraphEditPlugin.INSTANCE.getString("_UI_GMFGraphEditorFilenameDefaultBase");
String defaultModelFilenameExtension = GMFGraphEditPlugin.INSTANCE.getString("_UI_GMFGraphEditorFilenameExtension");
String modelFilename = defaultModelBaseFilename + "." + defaultModelFilenameExtension;
for (int i = 1; ((IContainer)selectedResource).findMember(modelFilename) != null; ++i) {
modelFilename = defaultModelBaseFilename + i + "." + defaultModelFilenameExtension;
}
newFileCreationPage.setFileName(modelFilename);
}
}
}
}
/**
* Get the file from the page.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public IFile getModelFile() {
return newFileCreationPage.getModelFile();
}
}