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/*******************************************************************************
* Copyright (c) 2014 Jeff Martin.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Lesser General Public
* License v3.0 which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/lgpl.html
*
* Contributors:
* Jeff Martin - initial API and implementation
******************************************************************************/
package cuchaz.enigma.gui;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Map;
import javax.swing.JTree;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeModel;
import javax.swing.tree.TreePath;
import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.collect.Multimap;
import cuchaz.enigma.mapping.ClassEntry;
public class ClassSelector extends JTree
{
private static final long serialVersionUID = -7632046902384775977L;
public interface ClassSelectionListener
{
void onSelectClass( ClassEntry classEntry );
}
public static Comparator<ClassEntry> ObfuscatedClassEntryComparator;
public static Comparator<ClassEntry> DeobfuscatedClassEntryComparator;
static
{
ObfuscatedClassEntryComparator = new Comparator<ClassEntry>( )
{
@Override
public int compare( ClassEntry a, ClassEntry b )
{
if( a.getName().length() != b.getName().length() )
{
return a.getName().length() - b.getName().length();
}
return a.getName().compareTo( b.getName() );
}
};
DeobfuscatedClassEntryComparator = new Comparator<ClassEntry>( )
{
@Override
public int compare( ClassEntry a, ClassEntry b )
{
return a.getName().compareTo( b.getName() );
}
};
}
private ClassSelectionListener m_listener;
private Comparator<ClassEntry> m_comparator;
public ClassSelector( Comparator<ClassEntry> comparator )
{
m_comparator = comparator;
// configure the tree control
setRootVisible( false );
setShowsRootHandles( false );
setModel( null );
// hook events
addMouseListener( new MouseAdapter()
{
@Override
public void mouseClicked( MouseEvent event )
{
if( m_listener != null && event.getClickCount() == 2 )
{
// get the selected node
TreePath path = getSelectionPath();
if( path != null && path.getLastPathComponent() instanceof ClassSelectorClassNode )
{
ClassSelectorClassNode node = (ClassSelectorClassNode)path.getLastPathComponent();
m_listener.onSelectClass( node.getClassEntry() );
}
}
}
} );
// init defaults
m_listener = null;
}
public void setListener( ClassSelectionListener val )
{
m_listener = val;
}
public void setClasses( Collection<ClassEntry> classEntries )
{
if( classEntries == null )
{
setModel( null );
return;
}
// build the package names
Map<String,ClassSelectorPackageNode> packages = Maps.newHashMap();
for( ClassEntry classEntry : classEntries )
{
packages.put( classEntry.getPackageName(), null );
}
// sort the packages
List<String> sortedPackageNames = Lists.newArrayList( packages.keySet() );
Collections.sort( sortedPackageNames, new Comparator<String>( )
{
@Override
public int compare( String a, String b )
{
// I can never keep this rule straight when writing these damn things...
// a < b => -1, a == b => 0, a > b => +1
String[] aparts = a.split( "/" );
String[] bparts = b.split( "/" );
for( int i=0; true; i++ )
{
if( i >= aparts.length )
{
return -1;
}
else if( i >= bparts.length )
{
return 1;
}
int result = aparts[i].compareTo( bparts[i] );
if( result != 0 )
{
return result;
}
}
}
} );
// create the root node and the package nodes
DefaultMutableTreeNode root = new DefaultMutableTreeNode();
for( String packageName : sortedPackageNames )
{
ClassSelectorPackageNode node = new ClassSelectorPackageNode( packageName );
packages.put( packageName, node );
root.add( node );
}
// put the classes into packages
Multimap<String,ClassEntry> packagedClassEntries = ArrayListMultimap.create();
for( ClassEntry classEntry : classEntries )
{
packagedClassEntries.put( classEntry.getPackageName(), classEntry );
}
// build the class nodes
for( String packageName : packagedClassEntries.keySet() )
{
// sort the class entries
List<ClassEntry> classEntriesInPackage = Lists.newArrayList( packagedClassEntries.get( packageName ) );
Collections.sort( classEntriesInPackage, m_comparator );
// create the nodes in order
for( ClassEntry classEntry : classEntriesInPackage )
{
ClassSelectorPackageNode node = packages.get( packageName );
node.add( new ClassSelectorClassNode( classEntry ) );
}
}
// finally, update the tree control
setModel( new DefaultTreeModel( root ) );
}
}
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