/*******************************************************************************
* Copyright (c) 2009 IBM Corporation 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:
* IBM Corporation - initial API and implementation
* Zend Technologies
*******************************************************************************/
package org.eclipse.php.internal.ui.editor.hyperlink;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.dltk.ast.declarations.ModuleDeclaration;
import org.eclipse.dltk.core.IModelElement;
import org.eclipse.dltk.core.ISourceModule;
import org.eclipse.dltk.core.SourceParserUtil;
import org.eclipse.dltk.internal.ui.editor.ModelElementHyperlink;
import org.eclipse.dltk.ui.actions.OpenAction;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.ITextViewer;
import org.eclipse.jface.text.Region;
import org.eclipse.jface.text.hyperlink.AbstractHyperlinkDetector;
import org.eclipse.jface.text.hyperlink.IHyperlink;
import org.eclipse.php.internal.core.filenetwork.FileNetworkUtility;
import org.eclipse.php.internal.ui.PHPUiPlugin;
import org.eclipse.php.internal.ui.editor.PHPStructuredEditor;
import org.eclipse.php.internal.ui.util.EditorUtility;
public class IncludeHyperlinkDetector extends AbstractHyperlinkDetector {
public IHyperlink[] detectHyperlinks(ITextViewer textViewer,
IRegion region, boolean canShowMultipleHyperlinks) {
PHPStructuredEditor editor = EditorUtility.getPHPEditor(textViewer);
if (editor == null) {
return null;
}
IModelElement input = org.eclipse.dltk.internal.ui.editor.EditorUtility
.getEditorInputModelElement(editor, false);
if (!(input instanceof ISourceModule)) {
return null;
}
final int offset = region.getOffset();
final ISourceModule sourceModule = (ISourceModule) input;
ModuleDeclaration moduleDeclaration = SourceParserUtil
.getModuleDeclaration(sourceModule, null);
if (moduleDeclaration == null) {
return null;
}
IncludeHyperlinkVisitor includeVisitor = new IncludeHyperlinkVisitor(
offset, sourceModule);
try {
moduleDeclaration.traverse(includeVisitor);
} catch (Exception e) {
PHPUiPlugin.log(e);
}
if (includeVisitor.getFile() != null) {
if (!inclusive(region, includeVisitor.getSelectRegion())) {
return null;
}
Set<String> set = new HashSet<String>();
set.add(sourceModule.getResource().getLocation().toOSString());
ISourceModule includedSourceModule = FileNetworkUtility
.findSourceModule(sourceModule, includeVisitor.getFile(),
set);
if (includedSourceModule != null) {
return new IHyperlink[] { new ModelElementHyperlink(
includeVisitor.getSelectRegion(), includedSourceModule,
new OpenAction(editor)) };
}
}
return null;
}
/**
* @return true if region1 is included in region2
*/
private boolean inclusive(IRegion region1, Region region2) {
return (region1.getOffset() >= region2.getOffset())
&& (region1.getOffset() + region1.getLength() <= region2
.getOffset() + region2.getLength());
}
}