/*
 *                 Sun Public License Notice
 *
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 *
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2004 Sun
 * Microsystems, Inc. All Rights Reserved.
 */

package org.netbeans.modules.web.project.ui;

import java.awt.Component;
import javax.swing.*;
import org.netbeans.modules.j2ee.deployment.devmodules.api.Deployment;

/** Show a warning that no server is set and allows choose it.
 *
 * @author  Pavel Buzek
 */
public class NoSelectedServerWarning extends JPanel {
    
    public NoSelectedServerWarning (String serverID) {
        initComponents();
        // add MainClassChooser
        jList1.setModel(new ServerListModel (serverID));
        jList1.setSelectionMode (ListSelectionModel.SINGLE_SELECTION);
        jList1.setCellRenderer(new ServersRenderer ());
    }
    
    /** Returns the selected server instance Id or null if no instance was selected.
     *
     * @return server instance ID or null if no instance is selected
     */ 
    public String getSelectedInstance () {
        if (jList1.getSelectedIndex () == -1) {
            return null;
        } else {
            return (String)jList1.getSelectedValue ();
        }
    }

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    private void initComponents() {//GEN-BEGIN:initComponents
        java.awt.GridBagConstraints gridBagConstraints;

        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jScrollPane2 = new javax.swing.JScrollPane();
        jList1 = new javax.swing.JList();

        setLayout(new java.awt.GridBagLayout());

        jLabel1.setText(org.openide.util.NbBundle.getMessage(NoSelectedServerWarning.class, "LBL_NoSelectedServerWarning_jLabel1"));
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 0;
        gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(12, 12, 6, 12);
        add(jLabel1, gridBagConstraints);

        jLabel2.setText(org.openide.util.NbBundle.getMessage(NoSelectedServerWarning.class, "LBL_NoSelectedServerWarning_jLabel2"));
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 1;
        gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(12, 12, 6, 12);
        add(jLabel2, gridBagConstraints);

        jScrollPane2.setMinimumSize(new java.awt.Dimension(100, 200));
        jList1.setSelectionMode(javax.swing.ListSelectionModel.SINGLE_SELECTION);
        jScrollPane2.setViewportView(jList1);

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 2;
        gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints.gridheight = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.weighty = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(6, 12, 12, 12);
        add(jScrollPane2, gridBagConstraints);

    }//GEN-END:initComponents


    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JList jList1;
    private javax.swing.JScrollPane jScrollPane2;
    // End of variables declaration//GEN-END:variables


    private static final class ServerListModel extends AbstractListModel {
        
        private String serverID;
        private String instances [];

        public ServerListModel (String serverID) {
            this.serverID = serverID;
            this.instances = Deployment.getDefault ().getInstancesOfServer (serverID);
        }

        public synchronized int getSize() {
            return instances.length;
        }

        public synchronized Object getElementAt (int index) {            
            if (index >= 0 && index < instances.length) {
                return instances [index];
            }
            else {
                return null;
            }
        }

    }

    private static final class ServersRenderer extends JLabel implements ListCellRenderer {
        ServersRenderer () {
            setOpaque (true);
        }
        
        public Component getListCellRendererComponent (JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
            if (value instanceof String) {
                String id = (String) value;
                setText (Deployment.getDefault ().getServerInstanceDisplayName (id));
//                setIcon (ProjectUtils.getInformation (prj).getIcon ());
            } else {
                setText (value.toString ());
                setIcon (null);
            }
            if (isSelected) {
                setBackground(list.getSelectionBackground());
                setForeground(list.getSelectionForeground());
                //setBorder (BorderFactory.createLineBorder (Color.BLACK));
            }
            else {
                setBackground(list.getBackground());
                setForeground(list.getForeground());
                //setBorder (null);
            }
            return this;
        }
    }

}