/*
* JBoss by Red Hat
* Copyright 2006-2009, Red Hat Middleware, LLC, and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.ide.eclipse.freemarker.editor;
import java.util.Iterator;
import java.util.List;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.ITextViewer;
import org.eclipse.jface.text.hyperlink.IHyperlink;
import org.eclipse.jface.text.hyperlink.IHyperlinkDetector;
import org.jboss.ide.eclipse.freemarker.configuration.ConfigurationManager;
import org.jboss.ide.eclipse.freemarker.configuration.MacroLibrary;
import org.jboss.ide.eclipse.freemarker.lang.LexicalConstants;
import org.jboss.ide.eclipse.freemarker.model.Item;
import org.jboss.ide.eclipse.freemarker.model.MacroDirective;
import org.jboss.ide.eclipse.freemarker.model.MacroInstance;
public class MacroHyperlinkDetector implements IHyperlinkDetector {
private Editor editor;
public MacroHyperlinkDetector(ITextViewer textViewer, Editor editor) {
this.editor = editor;
}
@Override
public IHyperlink[] detectHyperlinks(ITextViewer textViewer, IRegion region, boolean canShowMultipleHyperlinks) {
Item item = editor.getItemSet().getItem(region.getOffset());
if (null != item && item instanceof MacroInstance) {
MacroInstance instance = (MacroInstance) item;
int index = instance.getName().indexOf(LexicalConstants.PERIOD);
if (index > 0) {
// it is from a macro library
String namespace = instance.getName().substring(0, index);
MacroLibrary macroLibrary = ConfigurationManager.getInstance(editor.getProject()).getMacroLibrary(namespace);
if (null != macroLibrary) {
MacroDirective[] macros = macroLibrary.getMacros();
if (null != macros) {
for (MacroDirective macro : macros) {
if (macro.getName().equals(instance.getName())) {
// we have a match
return new IHyperlink[]{new MacroHyperlink(
instance, macroLibrary.getFile(),
macro.getOffset(), macro.getLength())};
}
}
}
}
if (null != macroLibrary)
return new IHyperlink[]{new MacroHyperlink(instance, macroLibrary.getFile(), -1, -1)};
}
else {
List<MacroDirective> macroDefinitions = instance.getItemSet().getMacroDefinitions();
for (Iterator<MacroDirective> i=macroDefinitions.iterator(); i.hasNext(); ) {
MacroDirective macroDefinition = i.next();
if (macroDefinition.getName().equals(instance.getName())) {
return new IHyperlink[]{new MacroHyperlink(
instance, editor.getFile(),
macroDefinition.getOffset(), macroDefinition.getLength())};
}
}
}
}
return null;
}
public void init (ITextViewer viewer) {
}
}