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/*******************************************************************************
* Copyright (c) 2014 TwelveTone LLC and others.
* Copyright (c) 2010-2014 BestSolution.at and others.
* 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:
* Steven Spungin <steven@spungin.tv> - initial API and implementation, Bug 391089, Bug 437543, Ongoing Maintenance
*******************************************************************************/
package org.eclipse.e4.tools.emf.ui.internal.common.component.tabs;
import javax.annotation.PostConstruct;
import javax.inject.Inject;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.preferences.IEclipsePreferences;
import org.eclipse.e4.core.contexts.IEclipseContext;
import org.eclipse.e4.core.di.annotations.Optional;
import org.eclipse.e4.core.services.nls.Translation;
import org.eclipse.e4.tools.emf.ui.internal.Messages;
import org.eclipse.e4.tools.emf.ui.internal.common.xml.AnnotationAccess;
import org.eclipse.e4.tools.emf.ui.internal.common.xml.EMFDocumentResourceMediator;
import org.eclipse.e4.tools.emf.ui.internal.common.xml.XMLConfiguration;
import org.eclipse.e4.tools.emf.ui.internal.common.xml.XMLPartitionScanner;
import org.eclipse.e4.tools.services.IResourcePool;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource.Diagnostic;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IDocumentPartitioner;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.Position;
import org.eclipse.jface.text.TextSelection;
import org.eclipse.jface.text.rules.FastPartitioner;
import org.eclipse.jface.text.source.Annotation;
import org.eclipse.jface.text.source.AnnotationModel;
import org.eclipse.jface.text.source.SourceViewer;
import org.eclipse.jface.text.source.VerticalRuler;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.KeyAdapter;
import org.eclipse.swt.events.KeyEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Text;
public class XmiTab extends Composite {
private static final String ORG_ECLIPSE_E4_TOOLS_MODELEDITOR_FILTEREDTREE_ENABLED_XMITAB_DISABLED = "org.eclipse.e4.tools.modeleditor.filteredtree.enabled.xmitab.disabled";//$NON-NLS-1$
private static final int VERTICAL_RULER_WIDTH = 20;
@Inject
private IEclipseContext context;
@Optional
@Inject
private IProject project;
@Inject
private EMFDocumentResourceMediator emfDocumentProvider;
@Inject
private IResourcePool resourcePool;
@Inject
private IEclipsePreferences preferences;
@Inject
@Translation
protected Messages Messages;
private Text text;
protected int offsetStart;
private SourceViewer sourceViewer;
@Inject
public XmiTab(Composite parent) {
super(parent, SWT.NONE);
setLayout(new GridLayout(1, false));
}
@PostConstruct
protected void postConstruct() {
text = new Text(this, SWT.SINGLE | SWT.LEAD | SWT.BORDER);
text.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
text.setMessage(Messages.XmiTab_TypeTextToSearch);
text.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.keyCode != SWT.CR) {
offsetStart = 0;
}
offsetStart = searchAndHighlight(text.getText(), offsetStart);
}
});
final AnnotationModel model = new AnnotationModel();
VerticalRuler verticalRuler = new VerticalRuler(VERTICAL_RULER_WIDTH, new AnnotationAccess(resourcePool));
int styles = SWT.V_SCROLL | SWT.H_SCROLL | SWT.MULTI | SWT.BORDER | SWT.FULL_SELECTION;
sourceViewer = new SourceViewer(this, verticalRuler, styles);
sourceViewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
sourceViewer.configure(new XMLConfiguration(resourcePool));
sourceViewer.setEditable(project != null);
sourceViewer.getTextWidget().setFont(JFaceResources.getTextFont());
final IDocument document = emfDocumentProvider.getDocument();
IDocumentPartitioner partitioner = new FastPartitioner(new XMLPartitionScanner(), new String[] { XMLPartitionScanner.XML_TAG, XMLPartitionScanner.XML_COMMENT });
partitioner.connect(document);
document.setDocumentPartitioner(partitioner);
sourceViewer.setDocument(document);
verticalRuler.setModel(model);
emfDocumentProvider.setValidationChangedCallback(new Runnable() {
@Override
public void run() {
model.removeAllAnnotations();
for (Diagnostic d : emfDocumentProvider.getErrorList()) {
Annotation a = new Annotation("e4xmi.error", false, d.getMessage()); //$NON-NLS-1$
int l;
try {
l = document.getLineOffset(d.getLine() - 1);
model.addAnnotation(a, new Position(l));
} catch (BadLocationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
});
String property = System.getProperty(ORG_ECLIPSE_E4_TOOLS_MODELEDITOR_FILTEREDTREE_ENABLED_XMITAB_DISABLED);
if (property != null || preferences.getBoolean("tab-form-search-show", false)) { //$NON-NLS-1$
sourceViewer.setEditable(false);
sourceViewer.getTextWidget().setEnabled(false);
}
}
/**
*
* @param text
* @param startOffset
* @return The endOFfset, or -1 if not found
*/
protected int searchAndHighlight(String text, int startOffset) {
try {
// select the entire start tag
IRegion region;
region = emfDocumentProvider.findText(text, startOffset);
if (region == null && startOffset > 0) {
region = emfDocumentProvider.findText(text, 0);
}
if (region != null) {
sourceViewer.setSelection(new TextSelection(region.getOffset(), region.getLength()), true);
return region.getOffset() + region.getLength();
} else {
sourceViewer.setSelection(new TextSelection(0, 0), true);
return -1;
}
} catch (Exception e) {
e.printStackTrace();
return -1;
}
}
public IEclipseContext getContext() {
return context;
}
public void gotoEObject(EObject object) {
// select the entire start tag
IRegion region = emfDocumentProvider.findStartTag(object);
if (region != null) {
sourceViewer.setSelection(new TextSelection(region.getOffset(), region.getLength()), true);
} else {
sourceViewer.setSelection(new TextSelection(0, 0), true);
}
}
public void paste() {
sourceViewer.getTextWidget().paste();
}
public void copy() {
sourceViewer.getTextWidget().copy();
}
public void cut() {
sourceViewer.getTextWidget().cut();
}
}
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