/**
* Distributable under LGPL license.
* See terms of license at gnu.org.
*
* Copyright (C)
* Spanish National Institute of Bioinformatics (INB)
* Barcelona Supercomputing Center (BSC)
* Computational Node 6
*/
package org.inb.biomoby.central.gui.renderer;
import java.awt.Color;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.StringReader;
import javax.swing.JToolTip;
import javax.swing.JTree;
import javax.swing.UIManager;
import javax.swing.tree.DefaultMutableTreeNode;
import org.inb.biomoby.shared.registry.AbstractEntity;
/**
* BioMoby entity (DataType, Service, Namespace...) tree renderer class.
*
* @author Dmitry Repchevsky
*/
public class EntityTreeCellRenderer extends AbstractTreeCellRenderer
{
private final static int MAX_WIDTH = 300;
@Override
public AbstractTreeCellRenderer getTreeCellRendererComponent(JTree tree, Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus)
{
AbstractTreeCellRenderer renderer = super.getTreeCellRendererComponent(tree, value, selected, expanded, leaf, row, hasFocus);
if (value instanceof DefaultMutableTreeNode)
{
DefaultMutableTreeNode node = (DefaultMutableTreeNode)value;
Object object = node.getUserObject();
if (object == null)
{
setText("");
}
else if (object instanceof AbstractEntity)
{
AbstractEntity entity = (AbstractEntity)object;
setText(entity.getName());
setToolTipText(tree, entity.getDescription());
}
else
{
setText(object.toString());
}
}
return renderer;
}
private void setToolTipText(JTree tree, String s)
{
if (s != null && s.length() > 0)
{
JToolTip toolTip = tree.createToolTip();
toolTip.setTipText(s);
if (toolTip.getMinimumSize().width < MAX_WIDTH)
{
setToolTipText(s);
}
else
{
Color background = toolTip.getBackground();
if (background == null)
{
background = UIManager.getLookAndFeel().getDefaults().getColor("ToolTip.background");
if (background == null)
{
background = Color.WHITE;
}
}
Color foreground = toolTip.getForeground();
if (foreground == null)
{
foreground = UIManager.getLookAndFeel().getDefaults().getColor("ToolTip.foreground");
if (foreground == null)
{
foreground = Color.BLACK;
}
}
StringBuilder sb = new StringBuilder();
sb.append("");
sb.append("");
sb.append("");
BufferedReader reader = new BufferedReader(new StringReader(s));
try
{
String line;
while((line = reader.readLine()) != null)
{
sb.append(line);
sb.append("
");
}
}
catch(IOException ex) {}
sb.append("");
sb.append("
");
sb.append("");
setToolTipText(sb.toString());
}
}
}
}