/*
* 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.outline;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;
import org.jboss.ide.eclipse.freemarker.editor.Editor;
import org.jboss.ide.eclipse.freemarker.model.Item;
import org.jboss.ide.eclipse.freemarker.model.ItemSet;
import org.jboss.ide.eclipse.freemarker.model.MacroDirective;
/**
* @author <a href="mailto:joe@binamics.com">Joe Hudson</a>
*/
public class OutlineContentProvider implements ITreeContentProvider {
private Editor fEditor;
public OutlineContentProvider(Editor anEditor) {
fEditor = anEditor;
}
public void inputChanged(
Viewer aViewer,
Object anOldInput,
Object aNewInput) {
}
public boolean isDeleted(Object anElement) {
return false;
}
public void dispose() {
}
public Object[] getElements(Object inputElement) {
ItemSet itemSet = null;
if (inputElement instanceof ItemSet)
itemSet = (ItemSet) inputElement;
else
itemSet = fEditor.getItemSet();
List rootItems = new ArrayList();
rootItems.addAll(fEditor.getItemSet().getMacroDefinitions());
Item[] items = fEditor.getItemSet().getRootItems();
for (int i=0; i<items.length; i++) {
if (!(items[i] instanceof MacroDirective))
rootItems.add(items[i]);
}
return rootItems.toArray();
}
public Object[] getChildren(Object anElement) {
if (anElement instanceof Item) {
if (anElement instanceof MacroDirective) return null;
Object[] items = ((Item) anElement).getChildItems().toArray(
new Item[((Item) anElement).getChildItems().size()]);
List l = new ArrayList(items.length);
for (int i=0; i<items.length; i++) {
if (!(items[i] instanceof MacroDirective))
l.add(items[i]);
}
return l.toArray();
}
else
return null;
}
public Object getParent(Object anElement) {
if (anElement instanceof Item)
return ((Item) anElement).getParentItem();
else
return null;
}
public boolean hasChildren(Object anElement) {
if (anElement instanceof Item)
if (anElement instanceof MacroDirective) return false;
else return ((Item) anElement).getChildItems().size() > 0;
else
return false;
}
}