/**
* <copyright>
* </copyright>
*
* $Id$
*/
package com.openMap1.mapper.presentation;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EClass;
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.EObject;
import org.eclipse.emf.ecore.xmi.XMLResource;
import org.eclipse.emf.edit.ui.provider.ExtendedImageRegistry;
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.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.wizard.Wizard;
import org.eclipse.ui.INewWizard;
import org.eclipse.ui.IWorkbench;
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 com.openMap1.mapper.GlobalMappingParameters;
import com.openMap1.mapper.MappedStructure;
import com.openMap1.mapper.MapperFactory;
import com.openMap1.mapper.MapperPackage;
import org.eclipse.core.runtime.Path;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PartInitException;
/**
* This is a simple wizard for creating a new mapping set
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*/
public class MappingSetWizard extends Wizard implements INewWizard {
/**
* This caches an instance of the model package.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
*/
protected MapperPackage mapperPackage = MapperPackage.eINSTANCE;
/**
* This caches an instance of the model factory.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
*/
protected MapperFactory mapperFactory = mapperPackage.getMapperFactory();
/**
* This is the file creation page.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
*/
protected MappingSetWizardNewFileCreationPage newFileCreationPage;
public MappingSetWizardNewFileCreationPage newFileCreationPage() {return newFileCreationPage;}
/**
* Remember the selection during initialization for populating the default container.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
*/
protected IStructuredSelection selection;
/**
* Remember the workbench during initialization.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
*/
protected IWorkbench workbench;
/**
* This just records the information.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
*/
public void init(IWorkbench workbench, IStructuredSelection selection) {
this.workbench = workbench;
this.selection = selection;
setWindowTitle(MapperEditorPlugin.INSTANCE.getString("_UI_Wizard_label"));
setDefaultPageImageDescriptor(ExtendedImageRegistry.INSTANCE.getImageDescriptor(MapperEditorPlugin.INSTANCE.getImage("full/wizban/NewMapper")));
}
/**
* Create a new model.
* <!-- begin-user-doc -->
* While the EMF generated wizard has a page to select the top object class
* of the model, the only possible top object node is "Mapped Structure";
* so the page is not shown.
* Make the top MappedStructure object and add a GlobalMappingParameters object to it.
* <!-- end-user-doc -->
*
*/
protected EObject createInitialModel() {
EClass eTopClass = (EClass)mapperPackage.getEClassifier("MappedStructure");
EObject rootObject = mapperFactory.create(eTopClass);
EClass eGlobalClass = (EClass)mapperPackage.getEClassifier("GlobalMappingParameters");
EObject globalObject = mapperFactory.create(eGlobalClass);
((MappedStructure)rootObject).setMappingParameters((GlobalMappingParameters)globalObject);
return rootObject;
}
/**
* Do the work after everything is specified.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
*/
@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();
// 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");
resource.save(options);
}
catch (Exception exception) {
MapperEditorPlugin.INSTANCE.log(exception);
}
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 {
page.openEditor
(new FileEditorInput(modelFile),
workbench.getEditorRegistry().getDefaultEditor(modelFile.getFullPath().toString()).getId());
}
catch (PartInitException exception) {
MessageDialog.openError(workbenchWindow.getShell(), MapperEditorPlugin.INSTANCE.getString("_UI_OpenEditorError_label"), exception.getMessage());
return false;
}
return true;
}
catch (Exception exception) {
MapperEditorPlugin.INSTANCE.log(exception);
return false;
}
}
/**
* This is the one page of the wizard.
* <!-- begin-user-doc -->
* RW - have added the facility to supply a file name for testing purposes,
* rather than enter it interactively
* <!-- end-user-doc -->
*
*/
public class MappingSetWizardNewFileCreationPage extends WizardNewFileCreationPage {
private boolean fileNameHasBeenSuppliedForTesting;
private String fileNameSuppliedForTesting = "";
/**
* Pass in the selection.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
*/
public MappingSetWizardNewFileCreationPage(String pageId, IStructuredSelection selection) {
super(pageId, selection);
fileNameHasBeenSuppliedForTesting = false;
}
public void supplyFileNameForTesting(String fileName)
{
fileNameHasBeenSuppliedForTesting = true;
fileNameSuppliedForTesting = fileName;
}
/**
* override the normal file name (as entered by the user)
* only if another file name has been supplied for testing
* (in which case the wizard was never shown)
*/
public String getFileName()
{
if (!fileNameHasBeenSuppliedForTesting) return super.getFileName();
else return fileNameSuppliedForTesting;
}
/**
* The framework calls this to see if the file is correct.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
*/
@Override
protected boolean validatePage() {
if (super.validatePage()) {
// Make sure the file ends in ".mapper".
//
String requiredExt = MapperEditorPlugin.INSTANCE.getString("_UI_MapperEditorFilenameExtension");
String enteredExt = new Path(getFileName()).getFileExtension();
if (enteredExt == null || !enteredExt.equals(requiredExt)) {
setErrorMessage(MapperEditorPlugin.INSTANCE.getString("_WARN_FilenameExtension", new Object [] { requiredExt }));
return false;
}
else {
return true;
}
}
else {
return false;
}
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
*/
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 -->
*
*/
@Override
public void addPages() {
// Create a page, set the title, and the initial model file name.
//
newFileCreationPage = new MappingSetWizardNewFileCreationPage("Whatever", selection);
newFileCreationPage.setTitle(MapperEditorPlugin.INSTANCE.getString("_UI_MappingSetWizard_label"));
newFileCreationPage.setDescription(MapperEditorPlugin.INSTANCE.getString("_UI_MappingSetWizard_description"));
newFileCreationPage.setFileName(MapperEditorPlugin.INSTANCE.getString("_UI_MapperEditorFilenameDefaultBase") + "." + MapperEditorPlugin.INSTANCE.getString("_UI_MapperEditorFilenameExtension"));
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 = MapperEditorPlugin.INSTANCE.getString("_UI_MapperEditorFilenameDefaultBase");
String defaultModelFilenameExtension = MapperEditorPlugin.INSTANCE.getString("_UI_MapperEditorFilenameExtension");
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 -->
*
*/
public IFile getModelFile() {
return newFileCreationPage.getModelFile();
}
}