package org.lsst.ccs.plugin.jas3.jms;
   
   import java.awt.Component;
   import javax.swing.JOptionPane;
   
   /**
    * A preferences panel for setting JMS preferences.
    * @author tonyj
    */
  class JmsPreferencesPanel extends javax.swing.JPanel {
      private final JmsPreferences prefs;
  
      /**
       * Creates new form JmsPreferencesPanel
       */
      JmsPreferencesPanel(JmsPreferences prefs) {
          this.prefs = prefs;
          initComponents();
          setEnabled();
      }
      
          /**
       * Write any changes back into the preferences
       */
      void apply() {
          boolean transportChanged = jmsTransportCheckbox.isSelected() != prefs.isUseTransport();
          final int newPort = ((Number) portSpinner.getValue()).intValue();
          boolean serverOrPortChanged = newPort != prefs.getJmsPort() || !serverTextField.getText().equals(prefs.getJmsServer());
          prefs.setJmsPort(newPort);
          prefs.setJmsServer(serverTextField.getText());
          prefs.setUseTransport(jmsTransportCheckbox.isSelected());
          if (transportChanged || serverOrPortChanged) {
             JOptionPane.showMessageDialog(this, "Console must be restarted for transport change to take effect.");
          }
      }
      
      private void setEnabled() {
          final boolean enabled = jmsTransportCheckbox.isSelected();
          jPanel1.setEnabled(enabled);
          for (Component c : jPanel1.getComponents()) {
              c.setEnabled(enabled);
          }
      }
  
      /**
       * 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.
       */
      @SuppressWarnings("unchecked")
      // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
      private void initComponents() {
  
          jmsTransportCheckbox = new javax.swing.JCheckBox();
          jPanel1 = new javax.swing.JPanel();
          javax.swing.JLabel jLabel1 = new javax.swing.JLabel();
          serverTextField = new javax.swing.JTextField();
          javax.swing.JLabel jLabel2 = new javax.swing.JLabel();
          portSpinner = new javax.swing.JSpinner();
  
          jmsTransportCheckbox.setSelected(prefs.isUseTransport());
          jmsTransportCheckbox.setText("Use JMS transport (rather than default)");
          jmsTransportCheckbox.addActionListener(new java.awt.event.ActionListener() {
              public void actionPerformed(java.awt.event.ActionEvent evt) {
                  jmsTransportCheckboxActionPerformed(evt);
              }
          });
  
          jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder("JMS properties"));
  
          jLabel1.setText("Server:");
  
          serverTextField.setText(prefs.getJmsServer());
  
          jLabel2.setText("Port:");
  
          portSpinner.setModel(new javax.swing.SpinnerNumberModel(prefs.getJmsPort(),1,65535,1));
  
          javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
          jPanel1.setLayout(jPanel1Layout);
          jPanel1Layout.setHorizontalGroup(
              jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
              .addGroup(jPanel1Layout.createSequentialGroup()
                  .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                      .addComponent(jLabel2)
                      .addComponent(jLabel1))
                  .addGap(4, 4, 4)
                  .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                      .addComponent(serverTextField)
                      .addGroup(jPanel1Layout.createSequentialGroup()
                          .addComponent(portSpinner, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                          .addGap(0, 0, Short.MAX_VALUE)))
                  .addContainerGap())
          );
          jPanel1Layout.setVerticalGroup(
              jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
              .addGroup(jPanel1Layout.createSequentialGroup()
                  .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                      .addComponent(jLabel1)
                     .addComponent(serverTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                 .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                 .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                     .addComponent(jLabel2)
                     .addComponent(portSpinner, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                 .addGap(0, 0, Short.MAX_VALUE))
         );
 
         javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
         this.setLayout(layout);
         layout.setHorizontalGroup(
             layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
             .addGroup(layout.createSequentialGroup()
                 .addContainerGap()
                 .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                     .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                     .addGroup(layout.createSequentialGroup()
                         .addComponent(jmsTransportCheckbox)
                         .addGap(0, 0, Short.MAX_VALUE)))
                 .addContainerGap())
         );
         layout.setVerticalGroup(
             layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
             .addGroup(layout.createSequentialGroup()
                 .addContainerGap()
                 .addComponent(jmsTransportCheckbox)
                 .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                 .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                 .addContainerGap())
         );
     }// </editor-fold>//GEN-END:initComponents
 
     private void jmsTransportCheckboxActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jmsTransportCheckboxActionPerformed
         if (!prefs.canUseTransport()) {
             JOptionPane.showMessageDialog(this, "Transport not available.");
             jmsTransportCheckbox.setSelected(false);
         }
         setEnabled();
     }//GEN-LAST:event_jmsTransportCheckboxActionPerformed
 
     // Variables declaration - do not modify//GEN-BEGIN:variables
     private javax.swing.JPanel jPanel1;
     private javax.swing.JCheckBox jmsTransportCheckbox;
     private javax.swing.JSpinner portSpinner;
     private javax.swing.JTextField serverTextField;
     // End of variables declaration//GEN-END:variables
 }