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package client.inputforms;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.*;
import javax.swing.*;

import client.*;

/**
 * This abstract class is the base class of all other classes of the same package.
 * It contains some common members using by all other (specialized) input form classes.
 * @author buetow
 *
 */
public abstract class InputForm extends SubWindow {
	protected final static long serialVersionUID = 1L;
	protected Vector vecFields;
	protected JPanel jPanelButtons;
  	protected JButton jButtonClear;
  	protected JButton jButtonApply;
  	protected JButton jButtonCancel;
  	protected JButton jButtonOK;
  	private boolean bApplyHasBeenPressed = false;
	
	protected final static String BUTTON_CANCEL = "Cancel";
	protected final static String BUTTON_CLEAR = "Clear";
	protected final static String BUTTON_APPLY = "Apply";
	protected final static String BUTTON_OK = "OK";

	protected final static int TEXTFIELD_LENGTH = 20;
	
    /**
     * Creates the input form window and show it.
     * @param sTitleText Specifies the title text of this JFrame.
     * @param netCalendarClient Specifies the calendar client session object to use.
     */
    public InputForm(String sTitleText, NetCalendarClient netCalendarClient) {
    		super(sTitleText, netCalendarClient);
    }

    /**
     * Initializes the input form
     * @param sTitleText Specifies the title text of this JFrame.
     * @param netCalendarClient Specifies the calendar client session object to use.
     */
    public void init(String sTitleText, NetCalendarClient netCalendarClient) {
    		super.init(sTitleText, netCalendarClient);
    }

    /**
     * Initializes all the GUI components of the implementating class.
     */
    protected void initComponents() {
    	  	jButtonClear = new JButton(BUTTON_CLEAR);
    	  	jButtonApply = new JButton(BUTTON_APPLY);
    	  	jButtonCancel = new JButton(BUTTON_CANCEL);
    	  	jButtonOK = new JButton(BUTTON_OK);

    	  	ActionListener actionListenerButtons = new ActionListener() {
  			public void actionPerformed(ActionEvent event) {
  				if (event.getActionCommand().equals(BUTTON_CANCEL)) {
					dispose();
					
  				} else if (event.getActionCommand().equals(BUTTON_APPLY)) {
  					bApplyHasBeenPressed = true;
  					submit();
  				
  				} else if (event.getActionCommand().equals(BUTTON_OK)) {
  					if (!bApplyHasBeenPressed)
  						submit();
  					dispose();
  				}
  			} 
  		};
  		
        jButtonCancel.addActionListener(actionListenerButtons);
  		jButtonClear.addActionListener(actionListenerButtons);
  		jButtonApply.addActionListener(actionListenerButtons);
  		jButtonOK.addActionListener(actionListenerButtons);
  		
        jPanelButtons = new JPanel();
        jPanelButtons.add(jButtonOK);
        jPanelButtons.add(jButtonCancel);
        jPanelButtons.add(jButtonApply);
        jPanelButtons.add(jButtonClear);
    }
    
    /**
     * Submits the input form of the implementating class.
     */
	protected abstract void submit();
}