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/* InvariantTOCView.java
* =========================================================================
* This file is part of the GrInvIn project - http://www.grinvin.org
*
* Copyright (C) 2005-2008 Universiteit Gent
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program 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
* General Public License for more details.
*
* A copy of the GNU General Public License can be found in the file
* LICENSE.txt provided with the source distribution of this program (see
* the META-INF directory in the source jar). This license can also be
* found on the GNU website at http://www.gnu.org/licenses/gpl.html.
*
* If you did not receive a copy of the GNU General Public License along
* with this program, contact the lead developer, or write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
package org.grinvin.help;
import java.util.Hashtable;
import java.util.Locale;
import javax.help.BadIDException;
import javax.help.HelpSet;
import javax.help.Map.ID;
import javax.help.TOCItem;
import javax.help.TOCView;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.MutableTreeNode;
import org.grinvin.invariants.Invariant;
import org.grinvin.invariants.InvariantFactory;
import org.grinvin.list.invariants.InvariantTreeModel;
/**
* Loads an overview of the available invariants and places them in a TOC tree
* that is mergeable with the GrInvIn help TOC tree.
*/
public class InvariantTOCView extends TOCView {
private InvariantTreeModel tree = InvariantTreeModel.getStandardTree();
/**
* Creates a new instance of InvariantTOCView
*/
public InvariantTOCView(){
super(HelpManager.getHelpSet(), HelpManager.getResourceBundle().getString("TOC.name"), HelpManager.getResourceBundle().getString("TOC.label"), HelpManager.getHelpSet().getLocale(), new Hashtable());
}
public InvariantTOCView(HelpSet hs, String name, String Label, Hashtable params){
this();
}
public InvariantTOCView(HelpSet hs, String name, String Label, Locale locale, Hashtable params){
this();
}
public String getMergeType(){
return "javax.help.UniteAppendMerge";
}
public DefaultMutableTreeNode getDataAsTree() {
//grinvin
TOCItem itemgrinvin = new TOCItem();
itemgrinvin.setName(HelpManager.getResourceBundle().getString("TOC.item.grinvin"));
DefaultMutableTreeNode grinvin = new DefaultMutableTreeNode(itemgrinvin);
// -- mainwindow
TOCItem itemmainwindow = new TOCItem(ID.create("org.grinvin.window.main", HelpManager.getHelpSet()), null, null);
itemmainwindow.setName(HelpManager.getResourceBundle().getString("TOC.item.mainwindow"));
DefaultMutableTreeNode mainWindow = new DefaultMutableTreeNode(itemmainwindow);
// -- -- invariants tab
TOCItem itemInvariantsTab = new TOCItem(ID.create("org.grinvin.window.main.tab.invariants", HelpManager.getHelpSet()), null, null);
itemInvariantsTab.setName(HelpManager.getResourceBundle().getString("TOC.item.invariantstab"));
DefaultMutableTreeNode invariantsTab = new DefaultMutableTreeNode(itemInvariantsTab);
// -- -- -- (invariants)
for(int i=0; i < tree.getChildCount(tree.getRoot()); i++) {
MutableTreeNode childNode = load(tree.getChild(tree.getRoot(), i));
if(childNode!=null)
invariantsTab.add(childNode);
}
mainWindow.add(invariantsTab);
grinvin.add(mainWindow);
DefaultMutableTreeNode root = new DefaultMutableTreeNode(null);
root.add(grinvin);
return root;
}
private MutableTreeNode load(Object invariantTreeNode){
TOCItem item = null;
if(tree.isLeaf(invariantTreeNode)) {
try {
Object nodeItem = ((DefaultMutableTreeNode)invariantTreeNode).getUserObject();
//should be Invariant or InvariantFactory
if(nodeItem instanceof Invariant){
item = new TOCItem(ID.create(((Invariant)nodeItem).getId(), HelpManager.getHelpSet()), ID.create("org.grinvin.icons.invariant", HelpManager.getHelpSet()), null, null);
item.setName(((Invariant)nodeItem).getName());
return new DefaultMutableTreeNode(item, false);
} else if(nodeItem instanceof InvariantFactory){
item = new TOCItem(ID.create(((InvariantFactory)nodeItem).getId(), HelpManager.getHelpSet()), ID.create("org.grinvin.icons.invariantfactory", HelpManager.getHelpSet()), null, null);
item.setName(((InvariantFactory)nodeItem).getName());
return new DefaultMutableTreeNode(item, false);
} else
return null;
} catch (ClassCastException ex) {
//something went wrong: too bad, no help for this item
return null;
} catch (BadIDException ex) {
//There is no help page for this item
//so it shouldn't be in the TOC.
return null;
}
} else {
item = new TOCItem();
item.setName(invariantTreeNode.toString());
DefaultMutableTreeNode node = new DefaultMutableTreeNode(item);
for(int i=0; i < tree.getChildCount(invariantTreeNode); i++) {
MutableTreeNode childNode = load(tree.getChild(invariantTreeNode, i));
if(childNode!=null)
node.add(childNode);
}
return node;
}
}
}
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