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/*****************************************************************************
* Copyright (c) 2021-2022 CEA LIST and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Vincent Lorenzo (CEA LIST) <vincent.lorenzo@cea.fr> - Initial API and implementation
* Vincent Lorenzo (CEA LIST) <vincent.lorenzo@cea.fr> - Bug 580115
*****************************************************************************/
package org.eclipse.papyrus.infra.textedit.xtext.custom;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.common.ui.services.parser.IParser;
import org.eclipse.gmf.runtime.emf.core.util.EObjectAdapter;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.source.IAnnotationModel;
import org.eclipse.papyrus.infra.core.services.ServiceException;
import org.eclipse.papyrus.infra.emf.gmf.command.GMFtoEMFCommandWrapper;
import org.eclipse.papyrus.infra.emf.utils.ServiceUtilsForEObject;
import org.eclipse.papyrus.infra.gmfdiag.extensionpoints.editors.configuration.ICustomDirectEditorConfiguration;
import org.eclipse.papyrus.infra.textedit.xtext.Activator;
import org.eclipse.papyrus.infra.textedit.xtext.nested.editor.NestedXTextEditorInput;
import org.eclipse.xtext.ui.editor.model.IXtextDocument;
import org.eclipse.xtext.ui.editor.model.XtextDocumentProvider;
/**
* This class is in charge to manage the save of the edited text into the edited model
*/
public class PapyrusXTextDocumentProvider extends XtextDocumentProvider {
/**
* @see org.eclipse.ui.texteditor.AbstractDocumentProvider#getDocument(java.lang.Object)
*
* @param element
* @return
* @since 1.1
*/
@Override
public IXtextDocument getDocument(Object element) {
return (IXtextDocument) super.getDocument(element);
}
/**
* @see org.eclipse.xtext.ui.editor.model.XtextDocumentProvider#doSaveDocument(org.eclipse.core.runtime.IProgressMonitor, java.lang.Object, org.eclipse.jface.text.IDocument, boolean)
*
* @param monitor
* @param element
* @param document
* @param overwrite
* @throws CoreException
*/
@Override
protected void doSaveDocument(final IProgressMonitor monitor, final Object element, final IDocument document, final boolean overwrite) throws CoreException {
if (element instanceof NestedXTextEditorInput) {
doSaveDocument(monitor, (NestedXTextEditorInput) element, document, overwrite);
}
}
/**
*
* @param monitor
* the progress monitor
* @param editorInput
* the editorInput
* @param document
* the document to save
* @param overwrite
* unused
*/
protected void doSaveDocument(final IProgressMonitor monitor, final NestedXTextEditorInput editorInput, final IDocument document, final boolean overwrite) {
final String newText = document.get();
NestedXTextEditorInput input = editorInput;
final EObject semanticElement = input.getEditedElement();
final String initialText = input.getTextToEdit();
if (newText.equals(initialText)) {
return;
}
ICommand cmd = getParseCommand(input.getDirectEditorConfiguration(), semanticElement, newText);
final TransactionalEditingDomain domain = getEditingDomain(semanticElement);
domain.getCommandStack().execute(new GMFtoEMFCommandWrapper(cmd));
}
/**
* This method is used to update the editor content when the value has been edited outside of the current editor
*
* @param editorInput
* the editor input
* @param document
* the edited document
* @since 1.1
*/
public void updateTextEditorContent(final NestedXTextEditorInput editorInput, final IDocument document) {
final String oldText = document.get();
final String newText = editorInput.getTextToEdit();
if (!oldText.equals(newText)) {
document.set(newText);
}
}
/**
*
* @param configuration
* the editor configuration
* @param editedElement
* the edited EObject
* @param newText
* the new text value
* @return
* the command to update the edited EObject with the new text value
*/
protected ICommand getParseCommand(final ICustomDirectEditorConfiguration configuration, final EObject editedElement, final String newText) {
final IParser parser = getParser(configuration, editedElement);
return parser.getParseCommand(new EObjectAdapter(editedElement), newText, 0);
}
/**
*
* @param configuration
* the editor configuration
* @param editedElement
* the edited EObject
* @return
* the parser to use to parse the text
*/
protected IParser getParser(final ICustomDirectEditorConfiguration configuration, final EObject editedElement) {
return configuration.createParser(editedElement);
}
/**
*
* @param eobject
* an EObject from the model
* @return
* the editing domain
*/
protected final TransactionalEditingDomain getEditingDomain(final EObject eobject) {
try {
return ServiceUtilsForEObject.getInstance().getTransactionalEditingDomain(eobject);
} catch (ServiceException e) {
Activator.log.error(e);
}
return null;
}
/**
* @see org.eclipse.xtext.ui.editor.model.XtextDocumentProvider#createAnnotationModel(java.lang.Object)
*
* @param element
* @return
* @throws CoreException
*/
@Override
protected IAnnotationModel createAnnotationModel(Object element) throws CoreException {
if (element instanceof NestedXTextEditorInput) {
return new PapyrusXTextMarker();
}
return null;
}
}
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