/**
* Copyright (c) 2002-2006 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 - Initial API and implementation
*/
package org.eclipse.emf.ecore.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.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.IEditorDescriptor;
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;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.plugin.EcorePlugin;
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.util.EcoreUtil;
import org.eclipse.emf.ecore.xmi.XMLResource;
import org.eclipse.emf.edit.EMFEditPlugin;
import org.eclipse.emf.edit.ui.provider.ExtendedImageRegistry;
/**
* This is a simple wizard for creating a new dynamic model file.
*/
public class DynamicModelWizard extends Wizard implements INewWizard
{
/**
* This caches the class instance.
*/
protected EClass eClass;
/**
* This is the file creation page.
*/
protected DynamicModelWizardNewFileCreationPage newFileCreationPage;
/**
* Remember the selection during initialization for populating the default container.
*/
protected IStructuredSelection selection;
/**
* Remember the workbench during initialization.
*/
protected IWorkbench workbench;
/**
* Creates an instance.
*/
public DynamicModelWizard(EClass eClass)
{
this.eClass = eClass;
}
/**
* This just records the information.
*/
public void init(IWorkbench workbench, IStructuredSelection selection)
{
this.workbench = workbench;
this.selection = selection;
setDefaultPageImageDescriptor
(ExtendedImageRegistry.INSTANCE.getImageDescriptor(EMFEditPlugin.INSTANCE.getImage("full/wizban/NewModel")));
}
/**
* Create a new model.
*/
EObject createInitialModel()
{
return EcoreUtil.create(eClass);
}
/**
* Do the work after everything is specified.
*/
@Override
public boolean performFinish()
{
try
{
// Remember the file.
//
final IFile modelFile = getModelFile();
// Do the work within an operation.
//
WorkspaceModifyOperation operation =
new WorkspaceModifyOperation()
{
@Override
protected void execute(IProgressMonitor progressMonitor)
{
try
{
// Create a resource set
//
ResourceSet resourceSet = new ResourceSetImpl();
resourceSet.getURIConverter().getURIMap().putAll(EcorePlugin.computePlatformURIMap(true));
// 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);
// 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<Object, Object> options = new HashMap<Object, Object>();
options.put(XMLResource.OPTION_ENCODING, "UTF-8");
options.put(XMLResource.OPTION_SCHEMA_LOCATION, Boolean.TRUE);
options.put(XMLResource.OPTION_LINE_WIDTH, 80);
options.put(Resource.OPTION_LINE_DELIMITER, Resource.OPTION_LINE_DELIMITER_UNSPECIFIED);
resource.save(options);
}
catch (Exception exception)
{
exception.printStackTrace();
}
finally
{
progressMonitor.done();
}
}
};
getContainer().run(false, false, operation);
// 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
{
IEditorDescriptor editorDescriptor = workbench.getEditorRegistry().getDefaultEditor(modelFile.getFullPath().toString());
if (editorDescriptor != null)
{
page.openEditor(new FileEditorInput(modelFile), editorDescriptor.getId());
}
}
catch (PartInitException exception)
{
MessageDialog.openError
(workbenchWindow.getShell(), EcoreEditorPlugin.INSTANCE.getString("_UI_OpenEditorError_label"), exception.getMessage());
return false;
}
return true;
}
catch (Exception exception)
{
exception.printStackTrace();
return false;
}
}
/**
* This is the one page of the wizard.
*/
public class DynamicModelWizardNewFileCreationPage extends WizardNewFileCreationPage
{
/**
* Remember the model file.
*/
protected IFile modelFile;
/**
* Pass in the selection.
*/
public DynamicModelWizardNewFileCreationPage(String pageId, IStructuredSelection selection)
{
super(pageId, selection);
}
/**
* The framework calls this to see if the file is correct.
*/
@Override
protected boolean validatePage()
{
if (super.validatePage())
{
// Make sure the file ends in ".ecore".
//
String requiredExt = EcoreEditorPlugin.INSTANCE.getString("_UI_DynamicInstanceFilenameExtension");
String enteredExt = new Path(getFileName()).getFileExtension();
if (enteredExt == null || !enteredExt.equals(requiredExt))
{
setErrorMessage(EcoreEditorPlugin.INSTANCE.getString("_WARN_FilenameExtension", new Object [] { requiredExt }));
return false;
}
else
{
return true;
}
}
else
{
return false;
}
}
/**
* Store the dialog field settings upon completion.
*/
public boolean performFinish()
{
modelFile = getModelFile();
return true;
}
/**
*/
public IFile getModelFile()
{
return
modelFile == null ?
ResourcesPlugin.getWorkspace().getRoot().getFile(getContainerFullPath().append(getFileName())) :
modelFile;
}
}
/**
* The framework calls this to create the contents of the wizard.
*/
@Override
public void addPages()
{
// Create a page, set the title, and the initial model file name.
//
newFileCreationPage = new DynamicModelWizardNewFileCreationPage("Whatever", selection);
newFileCreationPage.setTitle(EcoreEditorPlugin.INSTANCE.getString("_UI_DynamicModelWizard_label"));
newFileCreationPage.setDescription
(EcoreEditorPlugin.INSTANCE.getString("_UI_DynamicModelWizard_description", new Object [] { eClass.getName() }));
newFileCreationPage.setFileName
(eClass.getName() + "." + EcoreEditorPlugin.INSTANCE.getString("_UI_DynamicInstanceFilenameExtension"));
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 = eClass.getName();
String defaultModelFilenameExtension = EcoreEditorPlugin.INSTANCE.getString("_UI_DynamicInstanceFilenameExtension");
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.
*/
public IFile getModelFile()
{
return newFileCreationPage.getModelFile();
}
}