/*
 * MessageInfo.java
 *
 * Created on den 13 september 2001, 12:53
 */

package ip1.u7.b;

import javax.swing.*;
import javax.mail.*;
import java.awt.event.*;
import javax.swing.event.EventListenerList;

/** MessageInfo ansvarar för att visa upp ett enstaka e-postmeddelande i 
 * en sammanfattande form (Ämnesraden typ). Enumerationanvändare skall kunna välja meddelandet, varvid
 * ett MessageChosenEvent skickas till dess prenumeranter.<br>
 * MessageInfo är att betrakta som hjälpklass till MailInfoViewer.
 *
 * @author  Henrik Johansson, DS80
 * @version ht 2001
 */
public class MessageInfo extends javax.swing.JPanel {
    private Message message;
    private EventListenerList messageChosenListeners;
    
    /** Skapar ett nytt MessageInfo-objekt
     *
     * @param message Meddelandet som skall "visas upp"
     */
    public MessageInfo(Message message) {
        messageChosenListeners = new EventListenerList();
        try {
            this.message = message;
            initComponents();
            messageSubject.setText(message.getSubject());
        } catch(MessagingException e) {
            System.err.println(e.getMessage());
        }
    }
    
    /** Sätt om denna MessageInfo är vald
     *
     * @param chosen true om ja, annars false
     */
    public void setChosen(boolean chosen) {
        if(chosen)
            messageSubject.setForeground(java.awt.Color.magenta);
        else
            messageSubject.setForeground(java.awt.Color.black);
    }
    
    /** Låter andra prenumerera på MessageChosenEvents från de meddelanden komponenten hyser.
     *
     * @param listener prenumerant
     */
    public void addMessageChosenListener(MessageChosenListener listener) {
        messageChosenListeners.add(MessageChosenListener.class, listener);
    }

    /** Låter andra avlägsna prenumeration på MessageChosenEvents från de meddelanden komponenten hyser.
     *
     * @param listener prenumerant
     */
    public void removeMessageChosenListener(MessageChosenListener listener) {
        messageChosenListeners.remove(MessageChosenListener.class, listener);
    }
    
    /** Vidaresänder MessageChosenEvents till eventuella prenumeranter
     *
     * @param evt det Event som skall skickas vidare till prenumeranterna
     */
    protected void fireMessageChosen(MessageChosenEvent evt) {
        Object[] listeners = messageChosenListeners.getListenerList();
     // loop through each listener and pass on the event if needed
        for(int i = 0; i < listeners.length; i++) {
            if (listeners[i] == MessageChosenListener.class) {
                // pass the event to the listeners event dispatch method
                ((MessageChosenListener)listeners[i + 1]).dispatchMessageChosen(evt);
            }           
        }
    }

    private class CheckBoxListener implements ItemListener {
        public void itemStateChanged(ItemEvent e) {
            System.out.println("CheckBoxListener");
            try {
                if(message.isSet(Flags.Flag.DELETED))
                    message.setFlag(Flags.Flag.DELETED, true);
                else
                    message.setFlag(Flags.Flag.DELETED, false);
            } catch(MessagingException me) {
                System.err.println(me);
            }
        }
    }

    /** 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
        messageSubject = new javax.swing.JTextField();
        
        setLayout(new java.awt.GridBagLayout());
        java.awt.GridBagConstraints gridBagConstraints1;
        
        setBackground(java.awt.Color.white);
        messageSubject.setEditable(false);
        messageSubject.setDisabledTextColor(java.awt.Color.lightGray);
        messageSubject.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mousePressed(java.awt.event.MouseEvent evt) {
                messageSubjectMousePressed(evt);
            }
        });
        
        gridBagConstraints1 = new java.awt.GridBagConstraints();
        gridBagConstraints1.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints1.insets = new java.awt.Insets(0, 5, 0, 5);
        gridBagConstraints1.weightx = 1.0;
        add(messageSubject, gridBagConstraints1);
        
    }//GEN-END:initComponents

    private void messageSubjectMousePressed(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_messageSubjectMousePressed
        fireMessageChosen(new MessageChosenEvent(message, this));
        setChosen(true);
    }//GEN-LAST:event_messageSubjectMousePressed


    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JTextField messageSubject;
    // End of variables declaration//GEN-END:variables

}