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/*******************************************************************************
* Copyright (c) 2011 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
*******************************************************************************/
package org.eclipse.etrice.ui.common.editor;
import java.io.IOException;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.MultiStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature.Setting;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.etrice.core.ui.RoomUiModule;
import org.eclipse.etrice.ui.common.Activator;
import org.eclipse.graphiti.ui.editor.DiagramEditor;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.xtext.diagnostics.Severity;
import org.eclipse.xtext.resource.XtextResource;
import org.eclipse.xtext.serializer.ISerializer;
import org.eclipse.xtext.util.CancelIndicator;
import org.eclipse.xtext.validation.CheckMode;
import org.eclipse.xtext.validation.IResourceValidator;
import org.eclipse.xtext.validation.Issue;
import com.google.inject.Inject;
import com.google.inject.Injector;
/**
* description
*
* @author Henrik Rentz-Reichert initial contribution and API
*
*/
public class RoomDiagramEditor extends DiagramEditor {
@Inject
protected IResourceValidator resourceValidator;
private SaveOnFocusLostListener partListener;
private ModificationTrackingEnabler mte = new ModificationTrackingEnabler();
public RoomDiagramEditor() {
super();
Injector injector = RoomUiModule.getInjector();
injector.injectMembers(this);
}
@SuppressWarnings("restriction")
@Override
protected void initializeGraphicalViewer() {
super.initializeGraphicalViewer();
Map<EObject, Collection<Setting>> result = EcoreUtil.UnresolvedProxyCrossReferencer.find(getEditingDomain().getResourceSet());
if (!result.isEmpty())
System.err.println("ERROR in diagram viewer: could not resolve all proxies!");
mte.setTarget(getEditingDomain());
}
/* (non-Javadoc)
* @see org.eclipse.graphiti.ui.internal.editor.DiagramEditorInternal#dispose()
*/
@SuppressWarnings("restriction")
@Override
public void dispose() {
mte.unsetTarget(getEditingDomain());
getSite().getPage().removePartListener(partListener);
super.dispose();
}
/* (non-Javadoc)
* @see org.eclipse.graphiti.ui.internal.editor.DiagramEditorInternal#doSave(org.eclipse.core.runtime.IProgressMonitor)
*/
@SuppressWarnings("restriction")
@Override
public void doSave(final IProgressMonitor monitor) {
ResourceSet rs = getEditingDomain().getResourceSet();
for (Resource res : rs.getResources()) {
if (res instanceof XtextResource) {
if (res.isModified()) {
if (!res.isLoaded())
try {
res.load(Collections.EMPTY_MAP);
} catch (IOException e) {
MessageDialog.openError(Display.getDefault().getActiveShell(), "ERROR", "Internal error: couldn't load referenced resource "+res.getURI());
return;
}
XtextResource xres = (XtextResource) res;
ISerializer serializer = xres.getSerializer();
if (xres.getContents().isEmpty()) {
MessageDialog.openError(Display.getDefault().getActiveShell(), "ERROR", "Internal error: part of textual model is empty, can't save");
return;
}
// HOWTO: call serializer to validate the concrete syntax
// this throws an exception which is caught further up the stack
// and a dialog will be displayed
serializer.serialize(xres.getContents().get(0));
List<Issue> result = resourceValidator.validate(res, CheckMode.NORMAL_AND_FAST, new CancelIndicator() {
public boolean isCanceled() {
return monitor.isCanceled();
}
});
if (!result.isEmpty()) {
boolean error = false;
MultiStatus ms = new MultiStatus(Activator.PLUGIN_ID, Status.ERROR, "validation errors during diagram save", null);
for (Issue issue : result) {
if (issue.isSyntaxError() || issue.getSeverity()==Severity.ERROR) {
ms.add(new Status(Status.ERROR, Activator.PLUGIN_ID, issue.getMessage()));
error = true;
}
}
if (error) {
MessageDialog.openError(Display.getDefault().getActiveShell(), "ERROR", "Internal error: model is invalid, can't save");
Activator.getDefault().getLog().log(ms);
return;
}
}
}
}
}
super.doSave(monitor);
}
@SuppressWarnings("restriction")
@Override
public void createPartControl(Composite parent) {
super.createPartControl(parent);
partListener = new SaveOnFocusLostListener(this);
getSite().getPage().addPartListener(partListener);
/* we have to save here whether changes have been done or not to get rid of the dirty state
* CAUTION: save in
* init(IEditorSite site, IEditorInput input)
* or
* setInput(IEditorInput input)
* did not work correctly
*/
// if (AutoUpdateFeature.isLastDoneChanges())
doSave(null);
}
/* (non-Javadoc)
* @see org.eclipse.graphiti.ui.internal.editor.DiagramEditorInternal#setFocus()
*/
@SuppressWarnings("restriction")
@Override
public void setFocus() {
boolean dirtyAlready = isDirty();
// inside this call auto refresh will happen iff (and turn the editor dirty)
super.setFocus();
if (!dirtyAlready && isDirty())
doSave(null);
}
}
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