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/*******************************************************************************
* Copyright (c) 2012 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:
* Henrik Rentz-Reichert (initial contribution)
*
*******************************************************************************/
package org.eclipse.etrice.ui.commands.handlers;
import java.io.ByteArrayInputStream;
import java.util.List;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
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.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Path;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.etrice.core.room.ActorClass;
import org.eclipse.etrice.core.room.RoomModel;
import org.eclipse.etrice.core.room.SubSystemClass;
import org.eclipse.etrice.core.ui.RoomUiModule;
import org.eclipse.etrice.ui.commands.RoomOpeningHelper;
import org.eclipse.etrice.ui.common.base.UIBaseActivator;
import org.eclipse.etrice.ui.common.base.export.IBulkDiagramExporter;
import org.eclipse.etrice.ui.common.base.preferences.UIBasePreferenceConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.ui.part.FileEditorInput;
import org.eclipse.ui.views.contentoutline.ContentOutline;
import org.eclipse.xtext.diagnostics.Severity;
import org.eclipse.xtext.resource.XtextResource;
import org.eclipse.xtext.ui.editor.XtextEditor;
import org.eclipse.xtext.ui.editor.model.IXtextDocument;
import org.eclipse.xtext.ui.editor.outline.impl.EObjectNode;
import org.eclipse.xtext.ui.editor.utils.EditorUtils;
import org.eclipse.xtext.util.CancelIndicator;
import org.eclipse.xtext.util.concurrent.IUnitOfWork;
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;
public class ExportDiagramsHandler extends AbstractHandler {
@Inject
protected IResourceValidator resourceValidator;
private IPreferenceStore store;
public ExportDiagramsHandler() {
super();
Injector injector = RoomUiModule.getInjector();
injector.injectMembers(this);
this.store = UIBaseActivator.getDefault().getPreferenceStore();
}
// TODO: code copied from org.eclipse.etrice.ui.commands.handlers.AbstractEditHandler - refactor
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindowChecked(event);
final IEditorPart editor = window.getActivePage().getActiveEditor();
if (editor instanceof XtextEditor) {
final IPath path = ((FileEditorInput)editor.getEditorInput()).getPath();
ISelection selection = HandlerUtil.getCurrentSelection(event);
if (selection instanceof IStructuredSelection) {
// event from the xtext editor's outline view
IStructuredSelection ss = (IStructuredSelection) selection;
Object sel = ss.getFirstElement();
if (sel instanceof EObjectNode) {
XtextEditor xtextEditor = EditorUtils.getActiveXtextEditor(event);
IXtextDocument document = xtextEditor.getDocument();
final String fragment = ((EObjectNode) sel).getEObjectURI().fragment();
if (checkPrerequisites(xtextEditor, document, fragment)) {
document.readOnly(new IUnitOfWork.Void<XtextResource>() {
@Override
public void process(XtextResource resource) throws Exception {
if (resource != null) {
EObject object = resource.getEObject(fragment);
if (object instanceof RoomModel)
exportDiagrams((RoomModel)object, path, editor.getSite().getShell());
}
}
});
}
}
}
}
return null;
}
protected void exportDiagrams(RoomModel model, IPath modelPath, Shell shell) {
IContainer container = ResourcesPlugin.getWorkspace().getRoot().getContainerForLocation(modelPath.removeLastSegments(1));
String relPath = store.getString(UIBasePreferenceConstants.EXPORT_DIAGRAM_PATH);
boolean projectRelative = UIBasePreferenceConstants.PATH_REL_TO_PROJECT.equals(
store.getString(UIBasePreferenceConstants.EXPORT_DIAGRAM_PATH_RELATIVE_TO));
IFolder folder;
if (projectRelative) {
IProject project = container.getProject();
folder = project.getFolder(relPath);
}
else {
folder = container.getFolder(new Path(relPath));
}
if (folder!=null) {
if (!folder.exists())
try {
create(folder);
} catch (CoreException e) {
e.printStackTrace();
}
if (folder.exists()) {
String folderPath = folder.getLocation().toOSString();
IBulkDiagramExporter behaviorExporter = RoomOpeningHelper.getBehaviorDiagramAccess().getDiagramExporter();
IBulkDiagramExporter structureExporter = RoomOpeningHelper.getStructureDiagramAccess().getDiagramExporter();
for (ActorClass ac : model.getActorClasses()) {
if (ac.getStateMachine()!=null)
behaviorExporter.export(ac, folderPath);
structureExporter.export(ac, folderPath);
}
for (SubSystemClass ssc : model.getSubSystemClasses()) {
structureExporter.export(ssc, folderPath);
}
try {
folder.refreshLocal(IResource.DEPTH_ONE, null);
} catch (CoreException e) {
e.printStackTrace();
}
}
}
}
protected void create(final IResource resource) throws CoreException {
if (resource == null || resource.exists())
return;
if (!resource.getParent().exists())
create(resource.getParent());
switch (resource.getType()) {
case IResource.FILE:
((IFile) resource).create(new ByteArrayInputStream(new byte[0]), true, null);
break;
case IResource.FOLDER:
((IFolder) resource).create(IResource.NONE, true, null);
break;
case IResource.PROJECT:
((IProject) resource).create(null);
((IProject) resource).open(null);
break;
}
}
// TODO: code copied from org.eclipse.etrice.ui.commands.handlers.AbstractEditHandler - refactor
protected boolean checkPrerequisites(XtextEditor xtextEditor,
IXtextDocument document, final String fragment) {
if (hasIssues(document, new NullProgressMonitor())) {
MessageDialog.openError(xtextEditor.getSite().getShell(), "Validation Errors", "The editor has validation errors.\nCannot open diagram!");
return false;
}
if (xtextEditor.isDirty()) {
if (!MessageDialog.openQuestion(xtextEditor.getSite().getShell(), "Save model file", "The editor will be saved before opening the diagram editor.\nProceed?"))
return false;
// postpone save to avoid doing it twice
}
if (xtextEditor.isDirty()) {
xtextEditor.doSave(new NullProgressMonitor());
}
return true;
}
// TODO: code copied from org.eclipse.etrice.ui.commands.handlers.AbstractEditHandler - refactor
public boolean hasIssues(IXtextDocument xtextDocument, final IProgressMonitor monitor) {
final boolean issues = xtextDocument
.readOnly(new IUnitOfWork<Boolean, XtextResource>() {
public Boolean exec(XtextResource resource) throws Exception {
if (resource == null)
return false;
List<Issue> issueList = resourceValidator.validate(resource, CheckMode.NORMAL_AND_FAST, new CancelIndicator() {
public boolean isCanceled() {
return monitor.isCanceled();
}
});
for (Issue issue : issueList) {
if (issue.getSeverity()==Severity.ERROR)
return true;
}
return false;
}
});
return issues;
}
@Override
public boolean isEnabled() {
IWorkbench wb = PlatformUI.getWorkbench();
IWorkbenchWindow win = wb.getActiveWorkbenchWindow();
IWorkbenchPage page = win.getActivePage();
IWorkbenchPart part = page.getActivePart();
if (part instanceof ContentOutline) {
ISelection selection = ((ContentOutline)part).getSelection();
if (selection instanceof IStructuredSelection) {
IStructuredSelection ss = (IStructuredSelection) selection;
Object sel = ss.getFirstElement();
if (sel instanceof EObjectNode) {
EObjectNode node = (EObjectNode) sel;
String fragment = node.getEObjectURI().fragment();
return fragment.equals("/");
}
}
}
return false;
}
}
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