bsformdialog.java

一款即时通讯软件

package edu.ou.kmi.buddyspace.gui;

/*
 * BSFormDialog.java
 *
 * Project: BuddySpace
 * (C) Copyright Knowledge Media Institute 2003
 *
 *
 * Created on 5 February 2003, 16:16
 */

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.beans.*; // Property change stuff
import java.util.*;

import org.jabber.jabberbeans.*;
import org.jabber.jabberbeans.util.*;

import edu.ou.kmi.buddyspace.gui.*;
import edu.ou.kmi.buddyspace.core.*;
import edu.ou.kmi.buddyspace.xml.*;

/**
 * Dialog for jabber:x:data forms. Constructor takes the empty form and the result
 * is stored in <code>resultXData</code> variable.
 *
 * @author  Jiri Komzak, Knowledge Media Institute, Open University, United Kingdom
 */

public class BSFormDialog extends JDialog {
    protected JOptionPane optionPane;
    protected TreeMap jidTreeMap = null;
    protected Frame frame;
    public XData resultXData = null;
    
    /** Constructor */
    public BSFormDialog(Frame _parent, XData _xData, String comment, BSRosterBean _rosterBean) {
        super(_parent, 
              (_xData == null || _xData.getTitle() == null)? "Form" : _xData.getTitle(), 
              true);
        
        frame = _parent;
        final XData xData = _xData;
        final BSRosterBean rosterBean = _rosterBean;
        
        Vector fields = new Vector();
        final Hashtable textFields = new Hashtable();
        
        JLabel label;
        JTextArea textArea;
        JScrollPane scrollPane;
        JTextField textField;
        JComboBox comboBox;
        JList list;
        JCheckBox checkBox;
        
        // comment
        if (comment != null) {
            label = new JLabel(comment);
            fields.add(label);
            label = new JLabel(" ");
            fields.add(label);
        }
        
        // instructions
        if (xData.getInstructions() != null) {
            label = new JLabel("Instructions:");
            fields.add(label);
            textArea = new JTextArea(xData.getInstructions(), 5, 25);
            textArea.setBackground(getBackground());
            textArea.setForeground(getForeground());
            textArea.setEditable(false);
            textArea.setLineWrap(true);
            textArea.setWrapStyleWord(true);
            scrollPane = new JScrollPane(textArea);
            fields.add(scrollPane);
        }
        
        label = new JLabel(" ");
        fields.add(label);
        
        Enumeration fieldEnum = xData.fields();
        while (fieldEnum.hasMoreElements()) {
            
            XDataField f = (XDataField) fieldEnum.nextElement();

            if (!"hidden".equals(f.getType())) {
                if (!"boolean".equals(f.getType()) && 
                    !"fixed".equals(f.getType())) {
                    String name = f.getLabel();
                    if (name == null || name.equals("")) 
                        name = f.getVar();
                    label = new JLabel(name);
                    fields.add(label);
                }

                if ("text-private".equals(f.getType())) {
                    textField = new JPasswordField();
                    Enumeration vals = f.values();
                    if (vals != null && vals.hasMoreElements()) 
                        textField.setText((String)vals.nextElement());
                    if (f.getDesc() != null) 
                        textField.setToolTipText(f.getDesc());
                    fields.add(textField);
                    textFields.put(f.getVar(), textField);
                }
                else if ("text-multi".equals(f.getType())) {
                    textArea = new JTextArea(3, 25);
                    Enumeration vals = f.values();
                    boolean firstLine = true;
                    while (vals != null && vals.hasMoreElements()) {
                        textArea.append((firstLine? "" : "\n") 
                                        + (String)vals.nextElement());
                        firstLine = false;
                    }
                    if (f.getDesc() != null) 
                        textArea.setToolTipText(f.getDesc());
                    textArea.setLineWrap(true);
                    textArea.setWrapStyleWord(true);
                    scrollPane = new JScrollPane(textArea);
                    fields.add(scrollPane);
                    textFields.put(f.getVar(), textArea);
                }
                else if ("list-single".equals(f.getType())) {
                    comboBox = new JComboBox();
                    Enumeration options = f.options();
                    Hashtable optionsHash = new Hashtable();
                    while (options != null && options.hasMoreElements()) {
                        XDataFieldOption xdfo = (XDataFieldOption)options.nextElement();
                        String valueStr = xdfo.getValue();
                        if (valueStr == null || valueStr.equals(""))
                            valueStr = xdfo.getData();
                        String labelStr = xdfo.getLabel();
                        if (labelStr == null || labelStr.equals(""))
                            labelStr = valueStr;
                        comboBox.addItem(labelStr);
                        optionsHash.put(valueStr, labelStr);
                    }
                    Enumeration vals = f.values();
                    if (vals != null && vals.hasMoreElements()) {
                        String selectedLabel = (String) optionsHash.get((String)vals.nextElement());
                        if (null != selectedLabel)
                            comboBox.setSelectedItem(selectedLabel);
                    }
                    if (f.getDesc() != null) 
                        comboBox.setToolTipText(f.getDesc());
                    fields.add(comboBox);
                    textFields.put(f.getVar(), comboBox);
                }
                else if ("list-multi".equals(f.getType())) {
                    list = new JList();
                    DefaultListModel model = new DefaultListModel();
                    Enumeration options = f.options();
                    Hashtable optionsHash = new Hashtable();
                    while (options != null && options.hasMoreElements()) {
                        XDataFieldOption xdfo = (XDataFieldOption)options.nextElement();
                        String labelStr = xdfo.getLabel();
                        if (labelStr == null || labelStr.equals(""))
                            labelStr = xdfo.getValue();
                        model.addElement(labelStr);
                        optionsHash.put(xdfo.getValue(), labelStr);
                    }
                    list.setModel(model);
                    // sets selected values
                    Enumeration vals = f.values();
                    Vector indicesVec = new Vector();
                    while (vals != null && vals.hasMoreElements()) {
                        String selectedLabel = (String) optionsHash.get((String)vals.nextElement());
                        if (null != selectedLabel) {
                            int index = model.indexOf(selectedLabel);
                            if (-1 != index)
                                indicesVec.addElement(new Integer(index));
                        }
                    }
                    int[] indices = new int[indicesVec.size()];
                    for (int i=0; i < indicesVec.size(); i++)
                        indices[i] = ((Integer)indicesVec.elementAt(i)).intValue();
                    list.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
                    list.setSelectedIndices(indices);
                    list.setVisibleRowCount(3);
                    // sets description
                    if (f.getDesc() != null) 
                        list.setToolTipText(f.getDesc());
                    scrollPane = new JScrollPane(list);
                    fields.add(scrollPane);
                    textFields.put(f.getVar(), list);
                }
                else if ("boolean".equals(f.getType())) {
                    String labelStr = f.getLabel();
                    if (labelStr == null || labelStr.equals(""))
                        labelStr = f.getVar();
                    checkBox = new JCheckBox(labelStr);
                    Enumeration vals = f.values();
                    if (vals != null && vals.hasMoreElements())
                        checkBox.setSelected("1".equals((String)vals.nextElement()));
                    if (f.getDesc() != null) 
                        checkBox.setToolTipText(f.getDesc());
                    fields.add(checkBox);
                    textFields.put(f.getVar(), checkBox);
                }
                else if ("fixed".equals(f.getType())) {
                    textArea = new JTextArea(3, 25);
                    Enumeration vals = f.values();
                    if (vals != null && vals.hasMoreElements()) 
                        textArea.setText((String)vals.nextElement());
                    if (f.getDesc() != null) 
                        textArea.setToolTipText(f.getDesc());
                    textArea.setBackground(getBackground());
                    textArea.setForeground(getForeground());
                    textArea.setEditable(false);
                    textArea.setLineWrap(true);
                    textArea.setWrapStyleWord(true);
                    scrollPane = new JScrollPane(textArea);
                    fields.add(scrollPane);
                }
                else if ("jid-single".equals(f.getType())) {
                    textField = new JTextField();
                    Enumeration vals = f.values();
                    if (vals != null && vals.hasMoreElements()) 
                        textField.setText((String)vals.nextElement());
                    if (f.getDesc() != null) 
                        textField.setToolTipText(f.getDesc());
                    JButton button = new JButton("From roster");
                    final JTextField tf = textField;
                    button.addActionListener(new ActionListener() {
                        public void actionPerformed(ActionEvent evt) {
                            BSChooseJIDDialog dlg = new BSChooseJIDDialog(frame,
                                "Choose JID", rosterBean.entries());
                            dlg.show();
                            if (dlg.jid != null)
                                tf.setText(dlg.jid.toString());
                        }
                    });
                    JPanel panel = new JPanel(new BorderLayout());
                    panel.add(textField, BorderLayout.CENTER);
                    panel.add(button, BorderLayout.EAST);
                    fields.add(panel);
                    textFields.put(f.getVar(), textField);
                }
                else if ("jid-multi".equals(f.getType())) {
                    addJIDMulti(f, textFields, fields, rosterBean);
                }
                // else takes it as text-single
                else { //if ("text-single".equals(f.getType())) {
                    textField = new JTextField();
                    Enumeration vals = f.values();
                    if (vals != null && vals.hasMoreElements()) 
                        textField.setText((String)vals.nextElement());
                    if (f.getDesc() != null) 
                        textField.setToolTipText(f.getDesc());
                    fields.add(textField);
                    textFields.put(f.getVar(), textField);
                }
        
                label = new JLabel(" ");
                fields.add(label);
            }
        }
        
        final String okButton = "OK";
        final String cancelButton = "Cancel";
        Object[] options = {okButton, cancelButton};

        optionPane = new JOptionPane(fields.toArray(), 
                                     JOptionPane.PLAIN_MESSAGE,
                                     JOptionPane.OK_CANCEL_OPTION,
                                     null,
                                     options,
                                     options[0]);
        setContentPane(optionPane);
        setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);

        pack();
        setLocationRelativeTo(frame);
        
        // handles actions
        optionPane.addPropertyChangeListener(new PropertyChangeListener() {
            public void propertyChange(PropertyChangeEvent e) {
                String prop = e.getPropertyName();
			
                if (isVisible() 
                    && (e.getSource() == optionPane)
                    && (prop.equals(JOptionPane.VALUE_PROPERTY) ||
                      prop.equals(JOptionPane.INPUT_VALUE_PROPERTY))) {
                    Object value = optionPane.getValue();

                    if (value == JOptionPane.UNINITIALIZED_VALUE) {
                        // ignore reset