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/* GeneComponentTree.java
*
* created: 2006
*
* This file is part of Artemis
*
* Copyright(C) 2006 Genome Research Limited
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header: //tmp/pathsoft/artemis/uk/ac/sanger/artemis/components/genebuilder/GeneComponentTree.java,v 1.5 2006-07-25 10:50:20 tjc Exp $
*/
package uk.ac.sanger.artemis.components.genebuilder;
import uk.ac.sanger.artemis.io.ChadoCanonicalGene;
import uk.ac.sanger.artemis.io.Feature;
import uk.ac.sanger.artemis.io.InvalidRelationException;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.tree.*;
/**
* Tree to display a gene hierarchy.
*/
public class GeneComponentTree extends JTree
{
public GeneComponentTree(final ChadoCanonicalGene chado_gene,
final String gene_id;
try
{
gene_id = (String)gene.getQualifierByName("ID").getValues().get(0);
DefaultMutableTreeNode top =
new DefaultMutableTreeNode(gene_id);
createNodes(top, chado_gene);
DefaultTreeModel model = new DefaultTreeModel(top);
setModel(model);
}
catch(InvalidRelationException e)
{
e.printStackTrace();
}
//Listen for when a file is selected
addTreeSelectionListener(new TreeSelectionListener()
{
public void valueChanged(TreeSelectionEvent e)
{
DefaultMutableTreeNode node =
(DefaultMutableTreeNode)GeneComponentTree.this.getLastSelectedPathComponent();
if(node == null)
return;
Feature feature = (Feature)chado_gene.getFeatureFromId((String)node.getUserObject());
gene_builder.setActiveFeature((uk.ac.sanger.artemis.Feature)feature.getUserData());
}
});
}
/**
* Build the node hierarchy for this gene, i.e. transcript, exons,
* CDS, polypeptide.
* @param gene_node
* @param chado_gene
* @throws InvalidRelationException
*/
private void createNodes(final DefaultMutableTreeNode gene_node,
final ChadoCanonicalGene chado_gene)
throws InvalidRelationException
{
String transcript_id;
String exon_id;
String protein_id;
DefaultMutableTreeNode transcript_node;
DefaultMutableTreeNode exon_node;
DefaultMutableTreeNode protein_node;
for(int i=0; i<transcripts.size(); i++)
{
transcript = (Feature)transcripts.get(i);
transcript_id =
(String)transcript.getQualifierByName("ID").getValues().get(0);
transcript_node = new DefaultMutableTreeNode(transcript_id);
gene_node.add(transcript_node);
exons = chado_gene.getExonsOfTranscript(transcript_id);
if(exons == null)
continue;
for(int j=0; j<exons.size(); j++)
{
if(exons.get(j) instanceof Feature)
{
exon = (Feature)exons.get(j);
exon_id = (String)exon.getQualifierByName("ID").getValues().get(0);
}
else // ChadoFeature
exon_id = ((ChadoFeature)exons.get(j)).getUniquename();
exon_node = new DefaultMutableTreeNode(exon_id);
transcript_node.add(exon_node);
}
protein = chado_gene.getProteinOfTranscript(transcript_id);
if(protein instanceof Feature)
protein_id =
(String)((Feature)protein).getQualifierByName("ID").getValues().get(0);
else
protein_id = ((ChadoFeature)protein).getUniquename();
protein_node = new DefaultMutableTreeNode(protein_id);
transcript_node.add(protein_node);
}
}
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/**
* Change a node name.
* @param old_id the old uniquename of the feature
* @param new_id the new uniquename of the feature
*/
protected void changeNode(String old_id, String new_id)
{
DefaultMutableTreeNode root = (DefaultMutableTreeNode)getModel().getRoot();
DefaultMutableTreeNode change_node = searchChildren(root, old_id);
if(change_node != null)
{
change_node.setUserObject(new_id);
return;
}
Enumeration root_children = root.children();
while(root_children.hasMoreElements())
{
DefaultMutableTreeNode child =
(DefaultMutableTreeNode)root_children.nextElement();
change_node = searchChildren(child, old_id);
if(change_node != null)
{
change_node.setUserObject(new_id);
repaint();
return;
}
}
}
/**
* Delete a node and all its descendents from the tree.
* @param id the uniquename of the feature being removed
*/
protected void deleteNode(final String id)
{
DefaultMutableTreeNode root = (DefaultMutableTreeNode)getModel().getRoot();
Enumeration root_children = root.children();
while(root_children.hasMoreElements())
{
DefaultMutableTreeNode child =
(DefaultMutableTreeNode)root_children.nextElement();
if(id.equals((String)child.getUserObject()))
((DefaultTreeModel)getModel()).removeNodeFromParent(child);
}
}
private DefaultMutableTreeNode searchChildren(
final DefaultMutableTreeNode node,
final String id)
{
Enumeration root_children = node.children();
while(root_children.hasMoreElements())
{
DefaultMutableTreeNode child =
(DefaultMutableTreeNode)root_children.nextElement();
if(id.equals((String)child.getUserObject()))
return child;
}
return null;
}