Application: gvSIG desktop

import javax.swing.JLabel;

import javax.swing.JList;

import javax.swing.JOptionPane;

import javax.swing.JTree;

import javax.swing.SwingUtilities;

import javax.swing.event.ListSelectionEvent;

    private JEditorPane txtDescription;

    private ImageIcon defaultIconGroup;

    private ImageIcon defaultIconElement;

    private class ElementsTreeModel implements TreeModel {

        this.defaultIconElement = theme.get("expressionbuilder-element");

        this.txtDescription = new JEditorPane();

        toolsSwingManager.setDefaultPopupMenu(this.txtExpression);

        toolsSwingManager.setDefaultPopupMenu(this.txtGroupElement);

            this.txtDescription.setContentType("text/html");

            this.txtDescription.setText(html.toString());

            this.txtDescription.setCaretPosition(0);

        } else {

            newInfoPanel = aditionalPanel.asJComponent();

        }

        this.txtGroupElement.setText(group.getName());

        this.txtSimpleElementFilter.setText("");

        this.txtDescription.setText("");

            this.pnlDescription.removeAll();

            this.pnlDescription.repaint();

        }

        if (group instanceof SimpleElement) {

            this.btnGroupElementInsert.setEnabled(true);