Application: gvSIG desktop

import java.awt.event.KeyEvent;

import java.awt.event.MouseAdapter;

import java.awt.event.MouseEvent;

import java.net.URL;

import java.util.ArrayList;

import java.util.Collection;

import java.util.HashSet;

import java.util.List;

import java.util.Objects;

import javax.swing.DefaultListCellRenderer;

import javax.swing.ImageIcon;

import javax.swing.tree.TreeModel;

import javax.swing.tree.TreePath;

import org.apache.commons.io.FilenameUtils;

import org.apache.commons.lang3.StringUtils;

import org.gvsig.expressionevaluator.Expression;

import org.gvsig.expressionevaluator.ExpressionEvaluatorLocator;

        private final String labelDescription;

        private final String labelAdditionalPanel;

        private final JPanel pnlContainer;

        private String description; 

        private Component additionalPanel;

            ToolsSwingManager toolsSwingManager = ToolsSwingLocator.getToolsSwingManager();

            I18nManager i18n = ToolsLocator.getI18nManager();

            this.pnlContainer = pnlContainer;

            this.labelDescription = i18n.getTranslation("_Description");

            this.labelAdditionalPanel = i18n.getTranslation("_Assistant");

            if( StringUtils.isBlank(this.description) ) {

                if( this.additionalPanel==null ) {

                    // Sin descripcion ni panel adicional, mostramos

                    return this.scrDescription;

                }

                // Sin descripcion pero con panel adicional, mostramos el 

            }

        };

        this.btnTip.setVisible(false);

        this.btnTip.addActionListener(new ActionListener() {

        this.pnlScriptEditorContainer.add(this.scriptEditor.asJComponent(), BorderLayout.CENTER);

        this.tabExpressionBuilder.setEnabledAt(0, this.config.getScriptsEnabled());

        this.setPreferredSize(new Dimension(650, 350));

    }

        return s;

    }

    public void insertText(String text) {

        doInsert(text);

    }

    public String getText() {

        return this.txtExpression.getText();

    }

            );                    

        }

    }

}