/*******************************************************************************
* Copyright (c) 2006-2012
* Software Technology Group, Dresden University of Technology
* DevBoost GmbH, Berlin, Amtsgericht Charlottenburg, HRB 140026
*
* 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:
* Software Technology Group - TU Dresden, Germany;
* DevBoost GmbH - Berlin, Germany
* - initial API and implementation
******************************************************************************/
package org.reuseware.coconut.compositionprogram.diagram.part;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IWorkspaceRoot;
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.NullProgressMonitor;
import org.eclipse.emf.common.notify.impl.AdapterImpl;
import org.eclipse.emf.common.ui.URIEditorInput;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.emf.workspace.util.WorkspaceSynchronizer;
import org.eclipse.gef.palette.PaletteRoot;
import org.eclipse.gmf.runtime.common.ui.services.marker.MarkerNavigationService;
import org.eclipse.gmf.runtime.diagram.core.preferences.PreferencesHint;
import org.eclipse.gmf.runtime.diagram.ui.actions.ActionIds;
import org.eclipse.gmf.runtime.diagram.ui.resources.editor.document.IDiagramDocument;
import org.eclipse.gmf.runtime.diagram.ui.resources.editor.document.IDocument;
import org.eclipse.gmf.runtime.diagram.ui.resources.editor.document.IDocumentProvider;
import org.eclipse.gmf.runtime.diagram.ui.resources.editor.parts.DiagramDocumentEditor;
import org.eclipse.gmf.runtime.notation.Diagram;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.jface.dialogs.IMessageProvider;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.util.LocalSelectionTransfer;
import org.eclipse.jface.util.TransferDropTargetListener;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.window.Window;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorMatchingStrategy;
import org.eclipse.ui.IEditorReference;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.SaveAsDialog;
import org.eclipse.ui.ide.IGotoMarker;
import org.eclipse.ui.navigator.resources.ProjectExplorer;
import org.eclipse.ui.part.FileEditorInput;
import org.eclipse.ui.part.IShowInTargetList;
import org.eclipse.ui.part.ShowInContext;
import org.reuseware.coconut.compositionprogram.diagram.navigator.CompositionprogramNavigatorItem;
import org.reuseware.coconut.compositionprogram.diagram.update.CompositionProgramIndexListener;
import org.reuseware.sokan.index.util.IndexUtil;
/**
* @generated
*/
public class CompositionprogramDiagramEditor extends DiagramDocumentEditor
implements IGotoMarker {
/**
* @generated
*/
public static final String ID = "org.reuseware.coconut.compositionprogram.diagram.part.CompositionprogramDiagramEditorID"; //$NON-NLS-1$
/**
* @generated
*/
public static final String CONTEXT_ID = "org.reuseware.coconut.compositionprogram.diagram.ui.diagramContext"; //$NON-NLS-1$
/**
* @generated
*/
public CompositionprogramDiagramEditor() {
super(true);
}
/**
* @generated
*/
protected String getContextID() {
return CONTEXT_ID;
}
/**
* @generated
*/
protected PaletteRoot createPaletteRoot(PaletteRoot existingPaletteRoot) {
PaletteRoot root = super.createPaletteRoot(existingPaletteRoot);
new CompositionprogramPaletteFactory().fillPalette(root);
return root;
}
/**
* @generated
*/
protected PreferencesHint getPreferencesHint() {
return CompositionprogramDiagramEditorPlugin.DIAGRAM_PREFERENCES_HINT;
}
/**
* @generated
*/
public String getContributorId() {
return CompositionprogramDiagramEditorPlugin.ID;
}
/**
* @generated
*/
@SuppressWarnings("rawtypes")
public Object getAdapter(Class type) {
if (type == IShowInTargetList.class) {
return new IShowInTargetList() {
public String[] getShowInTargetIds() {
return new String[] { ProjectExplorer.VIEW_ID };
}
};
}
return super.getAdapter(type);
}
/**
* @generated
*/
protected IDocumentProvider getDocumentProvider(IEditorInput input) {
if (input instanceof IFileEditorInput
|| input instanceof URIEditorInput) {
return CompositionprogramDiagramEditorPlugin.getInstance()
.getDocumentProvider();
}
return super.getDocumentProvider(input);
}
/**
* @generated
*/
public TransactionalEditingDomain getEditingDomain() {
IDocument document = getEditorInput() != null ? getDocumentProvider()
.getDocument(getEditorInput()) : null;
if (document instanceof IDiagramDocument) {
return ((IDiagramDocument) document).getEditingDomain();
}
return super.getEditingDomain();
}
/**
* @generated
*/
protected void setDocumentProvider(IEditorInput input) {
if (input instanceof IFileEditorInput
|| input instanceof URIEditorInput) {
setDocumentProvider(CompositionprogramDiagramEditorPlugin
.getInstance().getDocumentProvider());
} else {
super.setDocumentProvider(input);
}
}
/**
* @generated
*/
public void gotoMarker(IMarker marker) {
MarkerNavigationService.getInstance().gotoMarker(this, marker);
}
/**
* @generated
*/
public boolean isSaveAsAllowed() {
return true;
}
/**
* @generated
*/
public void doSaveAs() {
performSaveAs(new NullProgressMonitor());
}
/**
* @generated
*/
protected void performSaveAs(IProgressMonitor progressMonitor) {
Shell shell = getSite().getShell();
IEditorInput input = getEditorInput();
SaveAsDialog dialog = new SaveAsDialog(shell);
IFile original = input instanceof IFileEditorInput ? ((IFileEditorInput) input)
.getFile() : null;
if (original != null) {
dialog.setOriginalFile(original);
}
dialog.create();
IDocumentProvider provider = getDocumentProvider();
if (provider == null) {
// editor has been programmatically closed while the dialog was open
return;
}
if (provider.isDeleted(input) && original != null) {
String message = NLS.bind(
Messages.CompositionprogramDiagramEditor_SavingDeletedFile,
original.getName());
dialog.setErrorMessage(null);
dialog.setMessage(message, IMessageProvider.WARNING);
}
if (dialog.open() == Window.CANCEL) {
if (progressMonitor != null) {
progressMonitor.setCanceled(true);
}
return;
}
IPath filePath = dialog.getResult();
if (filePath == null) {
if (progressMonitor != null) {
progressMonitor.setCanceled(true);
}
return;
}
IWorkspaceRoot workspaceRoot = ResourcesPlugin.getWorkspace().getRoot();
IFile file = workspaceRoot.getFile(filePath);
final IEditorInput newInput = new FileEditorInput(file);
// Check if the editor is already open
IEditorMatchingStrategy matchingStrategy = getEditorDescriptor()
.getEditorMatchingStrategy();
IEditorReference[] editorRefs = PlatformUI.getWorkbench()
.getActiveWorkbenchWindow().getActivePage()
.getEditorReferences();
for (int i = 0; i < editorRefs.length; i++) {
if (matchingStrategy.matches(editorRefs[i], newInput)) {
MessageDialog
.openWarning(
shell,
Messages.CompositionprogramDiagramEditor_SaveAsErrorTitle,
Messages.CompositionprogramDiagramEditor_SaveAsErrorMessage);
return;
}
}
boolean success = false;
try {
provider.aboutToChange(newInput);
getDocumentProvider(newInput).saveDocument(progressMonitor,
newInput,
getDocumentProvider().getDocument(getEditorInput()), true);
success = true;
} catch (CoreException x) {
IStatus status = x.getStatus();
if (status == null || status.getSeverity() != IStatus.CANCEL) {
ErrorDialog
.openError(
shell,
Messages.CompositionprogramDiagramEditor_SaveErrorTitle,
Messages.CompositionprogramDiagramEditor_SaveErrorMessage,
x.getStatus());
}
} finally {
provider.changed(newInput);
if (success) {
setInput(newInput);
}
}
if (progressMonitor != null) {
progressMonitor.setCanceled(!success);
}
}
/**
* @generated
*/
public ShowInContext getShowInContext() {
return new ShowInContext(getEditorInput(), getNavigatorSelection());
}
/**
* @generated
*/
private ISelection getNavigatorSelection() {
IDiagramDocument document = getDiagramDocument();
if (document == null) {
return StructuredSelection.EMPTY;
}
Diagram diagram = document.getDiagram();
IFile file = WorkspaceSynchronizer.getFile(diagram.eResource());
if (file != null) {
CompositionprogramNavigatorItem item = new CompositionprogramNavigatorItem(
diagram, file, false);
return new StructuredSelection(item);
}
return StructuredSelection.EMPTY;
}
/**
* @generated
*/
protected void configureGraphicalViewer() {
super.configureGraphicalViewer();
DiagramEditorContextMenuProvider provider = new DiagramEditorContextMenuProvider(
this, getDiagramGraphicalViewer());
getDiagramGraphicalViewer().setContextMenu(provider);
getSite().registerContextMenu(ActionIds.DIAGRAM_EDITOR_CONTEXT_MENU,
provider, getDiagramGraphicalViewer());
}
//!BEGIN MODFICATION
protected CompositionProgramIndexListener indexListener;
protected TransferDropTargetListener dropTargetListener;
@Override
protected void initializeGraphicalViewer() {
Initializing initializing = new Initializing();
getDiagram().eResource().getResourceSet().eAdapters().add(initializing);
super.initializeGraphicalViewer();
EcoreUtil.resolveAll(getDiagram().eResource().getResourceSet());
getDiagram().eResource().getResourceSet().eAdapters().remove(initializing);
/* Add a drop target listener for my drop events */
indexListener = new CompositionProgramIndexListener(this);
IndexUtil.INSTANCE.addListener(indexListener);
dropTargetListener = new CompositionprogramDiagramDropTargetListener(
this.getDiagramGraphicalViewer(), LocalSelectionTransfer.getTransfer());
getDiagramGraphicalViewer().addDropTargetListener(
dropTargetListener);
}
public static class Initializing extends AdapterImpl { }
@Override
public void dispose() {
IndexUtil.INSTANCE.removeListener(indexListener);
super.dispose();
}
//!END MODIFICATION
}