/*
* Copyright (c) 2006, 2008 Borland Software Corporation
*
* 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:
* Alexander Fedorov (Borland) - initial API and implementation
*/
package org.eclipse.gmf.internal.bridge.transform;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.emf.codegen.ecore.genmodel.GenModel;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.importer.ui.EMFModelWizard;
import org.eclipse.emf.importer.ui.GenModelReloadActionDelegate;
import org.eclipse.gmf.internal.common.ui.ResourceLocationProvider;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.window.Window;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Widget;
import org.eclipse.ui.PlatformUI;
class GenModelConfigurationPage extends ModelConfigurationPage {
private static final String FILE_EXT_ECORE = "ecore"; //$NON-NLS-1$
private Button createWizardBtn;
private Button createDefaultBtn;
private Button refreshStaleBtn;
GenModelConfigurationPage(String pageId, ResourceLocationProvider rlp, ResourceSet resourceSet) {
super(pageId, rlp, resourceSet);
setTitle(Messages.TransformToGenModelWizard_title_genmodel);
setDescription(Messages.TransformToGenModelWizard_descr_genmodel);
setModelFileExtension("genmodel"); //$NON-NLS-1$
}
@Override
protected void createAdditionalControls(Composite parent) {
Composite createComposite = new Composite(parent, SWT.NONE);
createComposite.setLayout(new GridLayout(2, true));
createComposite.setLayoutData(createGridData());
createWizardBtn = new Button(createComposite, SWT.PUSH);
createWizardBtn.setText(Messages.GenModelConfigurationPage_btn_new_wizard);
setButtonLayoutData(createWizardBtn);
createDefaultBtn = new Button(createComposite, SWT.PUSH);
createDefaultBtn.setText(Messages.GenModelConfigurationPage_btn_create_default);
setButtonLayoutData(createDefaultBtn);
refreshStaleBtn = new Button(createComposite, SWT.PUSH);
refreshStaleBtn.setText(Messages.GenModelConfigurationPage_btn_refresh_stale);
setButtonLayoutData(refreshStaleBtn);
SelectionAdapter selectionAdapter = new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
handleSelection(e.widget);
}
};
createWizardBtn.addSelectionListener(selectionAdapter);
createDefaultBtn.addSelectionListener(selectionAdapter);
refreshStaleBtn.addSelectionListener(selectionAdapter);
}
private GridData createGridData() {
GridData gd = new GridData();
gd.horizontalAlignment = GridData.FILL;
gd.grabExcessHorizontalSpace = true;
return gd;
}
void handleSelection(Widget w) {
if (createDefaultBtn.equals(w)){
createDefault();
} else if (createWizardBtn.equals(w)) {
launchWizard();
} else if (refreshStaleBtn.equals(w)) {
refreshGenmodel();
}
}
@Override
protected void initControls() {
super.initControls();
if (getURI() == null) {
findGenmodel();
} else {
updateControls();
}
}
void findGenmodel() {
try {
GenModel genModel = getOperation().findGenmodel();
if (genModel != null) {
Resource r = genModel.eResource();
URI genURI = r.getURI();
setURI(genURI);
updateURI();
} else {
setPageComplete(true);
updateControls();
}
} catch (CoreException e) {
setErrorMessage(e.getMessage());
updateControls();
}
}
/* (non-Javadoc)
* @see org.eclipse.gmf.internal.common.ui.ModelSelectionPage#resourceChanged()
*/
@Override
protected void resourceChanged() {
super.resourceChanged();
updateControls();
setPageComplete(getResource() != null);
}
private void updateControls() {
GenModelDetector gmd = getOperation().getGenModelDetector();
if (gmd!= null) {
createDefaultBtn.setEnabled(gmd.canCreateDefault());
}
IStatus stale = getOperation().getStaleGenmodelStatus();
if (stale != null && !stale.isOK()) {
setStatusMessage(stale);
refreshStaleBtn.setEnabled((getURI() != null));
} else {
refreshStaleBtn.setEnabled(false);
}
}
@Override
protected Resource doLoadResource(IProgressMonitor monitor) throws CoreException {
GenModel genModel = getOperation().loadGenModel(getURI(), monitor);
if (genModel == null) {
return null;
}
return genModel.eResource();
}
private void createDefault() {
try {
ITransformToGenModelOperation to = getOperation();
GenModelDetector gmd = to.getGenModelDetector();
TransformToGenModelWizard wizard = (TransformToGenModelWizard) getWizard();
IFile mapFile = wizard.getMapFile();
String pluginID = mapFile.getProject().getName();
URI genURI = gmd.createDefault(pluginID, mapFile);
setURI(genURI);
updateURI();
} catch (CoreException e) {
setErrorMessage(e.getMessage());
}
}
private void launchWizard() {
TransformToGenModelWizard wizard = (TransformToGenModelWizard) getWizard();
IFile mapFile = wizard.getMapFile();
IFile genmodel = createWithWizard(getShell(), mapFile);
if (genmodel != null) {
setURI(URI.createPlatformResourceURI(genmodel.getFullPath().toString(), true));
updateURI();
}
}
private static IFile createWithWizard(Shell shell, IFile patternResource) {
final IFile[] result = new IFile[1];
EMFModelWizard wizard = new EMFModelWizard() {
@Override
public boolean performFinish() {
result[0] = ResourcesPlugin.getWorkspace().getRoot().getFile(genModelContainerPath.append(genModelFileName));
return super.performFinish();
}
};
wizard.init(PlatformUI.getWorkbench(), createSelectionForEMFWizard(patternResource));
if (Window.OK == new WizardDialog(shell, wizard).open()) {
assert result[0] != null;
return result[0];
}
return null;
}
private static StructuredSelection createSelectionForEMFWizard(IFile patternResource) {
final IContainer parent = patternResource.getParent();
IFile neighbour = parent.getFile(new Path(patternResource.getName()).removeFileExtension().addFileExtension(FILE_EXT_ECORE));
if (neighbour.exists()) {
return new StructuredSelection(neighbour);
} else {
return new StructuredSelection(patternResource);
}
}
private void refreshGenmodel() {
IPath p = new Path(getURI().path()).removeFirstSegments(1);
IFile genModelFile = ResourcesPlugin.getWorkspace().getRoot().getFile(p);
GenModelReloadActionDelegate action = new GenModelReloadActionDelegate();
IAction uiAction = new Action() {
//empty
};
action.selectionChanged(uiAction, new StructuredSelection(genModelFile));
action.run(uiAction);
updateURI();
}
private ITransformToGenModelOperation getOperation() {
TransformToGenModelWizard wizard = (TransformToGenModelWizard) getWizard();
return wizard.getTransformOperation();
}
}
