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/*******************************************************************************
* Copyright (c) 2013 protos software gmbh (http://www.protos.de).
* 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:
* Juergen Haug (initial contribution)
*
*******************************************************************************/
package org.eclipse.etrice.ui.common.commands;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
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.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
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.etrice.core.room.RoomModel;
import org.eclipse.etrice.core.room.StructureClass;
import org.eclipse.etrice.core.ui.RoomUiModule;
import org.eclipse.etrice.ui.common.base.editor.DiagramEditorBase;
import org.eclipse.graphiti.mm.pictograms.Diagram;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IEditorDescriptor;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.ElementListSelectionDialog;
import org.eclipse.ui.dialogs.FilteredResourcesSelectionDialog;
import org.eclipse.ui.part.FileEditorInput;
import com.google.inject.Inject;
import com.google.inject.Injector;
public class ChangeDiagramInputJob extends Job {
@Inject
private ILabelProvider labelProvider;
private Diagram diagram;
private DiagramEditorBase editor;
private boolean close, saveOnClose, reOpen;
private IFile roomFile;
private StructureClass sc;
public ChangeDiagramInputJob(String name, DiagramEditorBase editor) {
super(name);
this.editor = editor;
Injector injector = RoomUiModule.getInjector();
injector.injectMembers(this);
diagram = editor.getDiagramTypeProvider().getDiagram();
close = saveOnClose = reOpen = true;
}
public ChangeDiagramInputJob(String name, DiagramEditorBase editor, boolean close, boolean saveOnClose, boolean reOpen) {
this(name, editor);
this.close = close;
this.saveOnClose = saveOnClose;
this.reOpen = reOpen;
}
@Override
protected IStatus run(IProgressMonitor monitor) {
URI diagramURI = diagram.eResource().getURI().trimFragment();
final IFile diagramFile = ResourcesPlugin.getWorkspace().getRoot().getFile(new Path(diagramURI.toPlatformString(true)));
IContainer diagramFolder = diagramFile.getParent();
// find room files in parent model folder
final IContainer modelFolder = diagramFolder.getParent();
Display.getDefault().syncExec(new Runnable() {
@Override
public void run() {
roomFile = selectRoomFile(modelFolder);
}
});
if(roomFile == null)
return Status.OK_STATUS;
URI newRoomURI = URI.createPlatformResourceURI(roomFile.getFullPath().toString(), false);
ResourceSet rs = new ResourceSetImpl();
Resource roomRes = rs.getResource(newRoomURI, true);
EObject rootEObject = roomRes.getContents().iterator().next();
if(!(rootEObject instanceof RoomModel))
return Status.OK_STATUS;
// select a structure class
final RoomModel roomModel = (RoomModel) rootEObject;
Display.getDefault().syncExec(new Runnable() {
@Override
public void run() {
sc = selectSc(roomModel);
}
});
if(sc == null)
return Status.OK_STATUS;
// close diagram to avoid exception and bad update (graphiti bug ?)
Runnable closeDiagramRunnable = new Runnable() {
@Override
public void run() {
IWorkbenchWindow workbench = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
workbench.getActivePage().closeEditor(editor, saveOnClose);
}
};
if(close)
Display.getDefault().syncExec(closeDiagramRunnable);
// new
String newScName = sc.getName();
String newDiagramName = roomModel.getName()+"."+newScName+"."+diagramURI.fileExtension();
IPath newDiagramPath = diagramFile.getFullPath().removeLastSegments(1).append(newDiagramName);
URI newDiagramURI = URI.createPlatformResourceURI(newDiagramPath.toString(), false);
// old
EObject oldDiagramSc = diagram.getLink().getBusinessObjects().iterator().next();
URI oldScURI = EcoreUtil.getURI(oldDiagramSc);
String oldScName = oldScURI.fragment().substring(oldScURI.fragment().indexOf(':') + 1).trim();
URI oldRoomURI = oldScURI.trimFragment();
// rename diagram
if(!diagramURI.equals(newDiagramURI))
try {
diagramFile.move(newDiagramPath, false, monitor);
}
catch (CoreException e) {
showError(e.getMessage());
e.printStackTrace();
return Status.CANCEL_STATUS;
}
// change uri and name to old one from diagram
roomRes.setURI(oldRoomURI);
sc.setName(oldScName);
// resolve cross references
Resource diagramRes = rs.getResource(newDiagramURI, true);
EcoreUtil.resolveAll(diagramRes);
// undo
roomRes.setURI(newRoomURI);
sc.setName(newScName);
// save only diagram to change cross references and file name
try {
diagramRes.save(null);
} catch (IOException e) {
showError(e.getMessage());
e.printStackTrace();
return Status.CANCEL_STATUS;
}
// reopen diagram
final IFile newDiagramFile = ResourcesPlugin.getWorkspace().getRoot().getFile(newDiagramPath);
Runnable openDiagramRunnable = new Runnable() {
@Override
public void run() {
IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
IEditorDescriptor desc = PlatformUI.getWorkbench().
getEditorRegistry().getDefaultEditor(newDiagramFile.getName());
try {
page.openEditor(new FileEditorInput(newDiagramFile), desc.getId());
} catch (PartInitException e) {
e.printStackTrace();
}
}
};
if(reOpen)
Display.getDefault().asyncExec(openDiagramRunnable);
return Status.OK_STATUS;
}
private void showError(final String message){
Display.getDefault().asyncExec(new Runnable() {
@Override
public void run() {
MessageDialog.openError(Display.getDefault().getActiveShell(), "Operation Failed", message);
}
});
}
private IFile selectRoomFile(IContainer container){
Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell();
FilteredResourcesSelectionDialog dialog = new FilteredResourcesSelectionDialog(shell, false, container, IResource.FILE);
// TODO: show only room files that are direct children of model folder (depth 1)
dialog.setMessage("Select a ROOM file");
dialog.setInitialPattern(".room");
if(dialog.open() == Window.OK)
return (IFile) dialog.getFirstResult();
return null;
}
private StructureClass selectSc(RoomModel model){
Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell();
ElementListSelectionDialog dialog = new ElementListSelectionDialog(shell, labelProvider);
dialog.setMultipleSelection(false);
dialog.setMessage("Select a new ROOM class");
dialog.setFilter("*");
dialog.setElements(getElements(model).toArray());
if(dialog.open()==Window.OK)
return (StructureClass) dialog.getFirstResult();
return null;
}
protected List<StructureClass> getElements(RoomModel model){
List<StructureClass> elements = new ArrayList<StructureClass>();
elements.addAll(model.getActorClasses());
elements.addAll(model.getSubSystemClasses());
elements.addAll(model.getSystems());
return elements;
}
}
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