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///////////////////////////////////////////////////////////////////////////////
//                                                                             
// JTOpen (IBM Toolbox for Java - OSS version)                              
//                                                                             
// Filename: UserListPropertiesPane.java
//                                                                             
// The source code contained herein is licensed under the IBM Public License   
// Version 1.0, which has been approved by the Open Source Initiative.         
// Copyright (C) 1997-2000 International Business Machines Corporation and     
// others. All rights reserved.                                                
//                                                                             
///////////////////////////////////////////////////////////////////////////////

package com.ibm.as400.vaccess;

import com.ibm.as400.access.UserList;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSeparator;
import javax.swing.JTabbedPane;
import javax.swing.SwingConstants;
import javax.swing.border.EmptyBorder;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import java.awt.Component;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;



/**
The UserListPropertiesPane class represents the properties pane
for a user list.
**/
class UserListPropertiesPane
implements VPropertiesPane
{
  private static final String copyright = "Copyright (C) 1997-2000 International Business Machines Corporation and others.";




    // MRI.
    private static final String generalTabText_                 = ResourceLoader.getText ("TAB_GENERAL");
    private static final String groupInfoPrompt_                = ResourceLoader.getText ("USER_LIST_GROUPINFO_PROMPT") + ": ";
    private static final String userInfoPrompt_                 = ResourceLoader.getText ("USER_LIST_USERINFO_PROMPT") + ": ";



    // Private data.
    private VUserList       object_;
    private JComboBox       groupInfo_;
    private JComboBox       userInfo_;



    // Event support.
    ChangeEventSupport  changeEventSupport_     = new ChangeEventSupport (this);    // Private.
    ErrorEventSupport   errorEventSupport_      = new ErrorEventSupport (this);     // Private.
    VObjectEventSupport objectEventSupport_     = new VObjectEventSupport (this);   // Private.
    WorkingEventSupport workingEventSupport_    = new WorkingEventSupport (this);   // Private.



/**
Constructs a UserListPropertyPane object.

@param object   The object.
 * @param list 
**/
    public UserListPropertiesPane (VUserList object, UserList list) //@A1C
    {
        object_ = object;
    }



/**
Adds a listener to be notified when the user makes a change.

@param  listener    The listener.
**/
    public void addChangeListener (ChangeListener listener)
    {
        changeEventSupport_.addChangeListener (listener);
    }



/**
Adds a listener to be notified when an error occurs.

@param  listener    The listener.
**/
    public void addErrorListener (ErrorListener listener)
    {
        errorEventSupport_.addErrorListener (listener);
    }



/**
Adds a listener to be notified when a VObject is changed,
created, or deleted.

@param  listener    The listener.
**/
    public void addVObjectListener (VObjectListener listener)
    {
        objectEventSupport_.addVObjectListener (listener);
    }



/**
Adds a listener to be notified when work in a different thread
starts and stops.

@param  listener    The listener.
**/
    public void addWorkingListener (WorkingListener listener)
    {
        workingEventSupport_.addWorkingListener (listener);
    }



/**
Applies the changes made by the user.

@exception Exception   If an error occurs.
**/
    public void applyChanges ()
        throws Exception
    {
        object_.setUserInfo (userInfo_.getSelectedItem ().toString ());
        object_.setGroupInfo (groupInfo_.getSelectedItem ().toString ());
        object_.load ();
    }



  /**
   * Returns the graphical user interface component.
   * 
   * @return The component.
   **/
  public Component getComponent() {
    // Initialize the general tab.
    JPanel generalTab = new JPanel();
    GridBagLayout layout = new GridBagLayout();
    GridBagConstraints constraints;
    generalTab.setLayout(layout);
    generalTab.setBorder(new EmptyBorder(10, 10, 10, 10));
    int row = 0;


    // Initialize an item listener.
    ItemListener itemListener = new ItemListener() {
      public void itemStateChanged(ItemEvent event) {
        changeEventSupport_.fireStateChanged();
      }
    };

    // Initialize a key listener.
    KeyListener keyListener = new KeyAdapter() {
      public void keyTyped(KeyEvent event) {
        changeEventSupport_.fireStateChanged();
      }
    };

    // User list information.
    VUtilities.constrain(new JLabel(object_.getText(),
        object_.getIcon(32, false), SwingConstants.LEFT), generalTab, layout, 0,
        row++, 2, 1);

    VUtilities.constrain(new JSeparator(), generalTab, layout, 0, row++, 2, 1);

    // User info prompt.
    VUtilities.constrain(new JLabel(userInfoPrompt_), generalTab, layout, 0,
        row, 1, 1);

    userInfo_ = new JComboBox();
    userInfo_.setEditable(false);
    userInfo_.addItem(UserList.ALL);
    userInfo_.addItem(UserList.USER);
    userInfo_.addItem(UserList.GROUP);
    userInfo_.addItem(UserList.MEMBER);
    userInfo_.setSelectedItem(object_.getUserInfo());
    userInfo_.addItemListener(itemListener);
    

    VUtilities.constrain(userInfo_, generalTab, layout, 1, row++, 1, 1);

    // Group info prompt.
    VUtilities.constrain(new JLabel(groupInfoPrompt_), generalTab, layout, 0,
        row, 1, 1);

    groupInfo_ = new JComboBox();
    groupInfo_.setEditable(true);
    groupInfo_.addItem(UserList.NONE);
    groupInfo_.addItem(UserList.NOGROUP);
    groupInfo_.setSelectedItem(object_.getGroupInfo());
    groupInfo_.addItemListener(itemListener);
    groupInfo_.getEditor().getEditorComponent().addKeyListener(keyListener); // This
                                                                             // does
                                                                             // not
                                                                             // really
                                                                             // work!

    VUtilities.constrain(groupInfo_, generalTab, layout, 1, row++, 1, 1);

    // Build the pane.
    JTabbedPane pane = new JTabbedPane();
    pane.addTab(generalTabText_, null, generalTab);
    pane.setSelectedIndex(0);
    return pane;
  }

/**
Removes a change listener.

@param  listener    The listener.
**/
    public void removeChangeListener (ChangeListener listener)
    {
        changeEventSupport_.removeChangeListener (listener);
    }



/**
Removes an error listener.

@param  listener    The listener.
**/
    public void removeErrorListener (ErrorListener listener)
    {
        errorEventSupport_.removeErrorListener (listener);
    }



/**
Removes a VObjectListener.

@param  listener    The listener.
**/
    public void removeVObjectListener (VObjectListener listener)
    {
        objectEventSupport_.removeVObjectListener (listener);
    }



/**
Removes a working listener.

@param  listener    The listener.
**/
    public void removeWorkingListener (WorkingListener listener)
    {
        workingEventSupport_.removeWorkingListener (listener);
    }



}