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/*******************************************************************************
* Copyright (c) 2015 QNX Software Systems 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
*******************************************************************************/
package org.eclipse.cdt.internal.qt.ui.editor;
import java.io.File;
import java.util.List;
import javax.script.Bindings;
import javax.script.ScriptException;
import org.eclipse.cdt.internal.qt.core.Activator;
import org.eclipse.cdt.qt.core.IQMLAnalyzer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.ITextViewer;
import org.eclipse.jface.text.hyperlink.IHyperlink;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.ide.IDE;
import org.eclipse.ui.texteditor.ITextEditor;
public class QMLHyperlink implements IHyperlink {
private final IRegion region;
private final ITextViewer viewer;
private final ITextEditor editor;
public QMLHyperlink(IRegion region, ITextViewer viewer, ITextEditor editor) {
this.region = region;
this.viewer = viewer;
this.editor = editor;
}
@Override
public IRegion getHyperlinkRegion() {
return region;
}
@Override
public String getTypeLabel() {
return null;
}
@Override
public String getHyperlinkText() {
return "Open Declaration";
}
@Override
public void open() {
IQMLAnalyzer analyzer = Activator.getService(IQMLAnalyzer.class);
try {
IDocument document = viewer.getDocument();
String selected = document.get(region.getOffset(), region.getLength());
IFileEditorInput fileInput = (IFileEditorInput) editor.getEditorInput();
String fileName = new File(fileInput.getFile().getLocationURI()).getAbsolutePath().substring(1);
List<Bindings> definitions = analyzer.getDefinition(selected, fileName, document.get(),
region.getOffset() + region.getLength());
if (!definitions.isEmpty()) {
Bindings definition = definitions.iterator().next();
Bindings start = (Bindings) definition.get("start"); //$NON-NLS-1$
if (start == null) {
return;
}
int startLine = (int) (double) start.get("line"); //$NON-NLS-1$
int startChar = (int) (double) start.get("ch"); //$NON-NLS-1$
int startOffset = document.getLineOffset(startLine) + startChar;
Bindings end = (Bindings) definition.get("end"); //$NON-NLS-1$
int endLine = (int) (double) end.get("line"); //$NON-NLS-1$
int endChar = (int) (double) end.get("ch"); //$NON-NLS-1$
int endOffset = document.getLineOffset(endLine) + endChar;
String target = (String) definition.get("file"); //$NON-NLS-1$
if (fileName.equals(target)) {
editor.selectAndReveal(startOffset, endOffset - startOffset);
} else {
IFile[] targetFiles = ResourcesPlugin.getWorkspace().getRoot()
.findFilesForLocationURI(new File("/" + target).toURI()); //$NON-NLS-1$
if (targetFiles.length > 0) {
IEditorPart part = IDE.openEditor(editor.getEditorSite().getPage(), targetFiles[0]);
if (part instanceof ITextEditor) {
((ITextEditor) part).selectAndReveal(startOffset, endOffset - startOffset);
}
}
}
}
} catch (BadLocationException | NoSuchMethodException | ScriptException | PartInitException e) {
Activator.log(e);
}
}
}
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