// **********************************************************************
//
// Copyright (c) 2003-2006 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
package IceGridGUI.LiveDeployment;

import java.awt.Cursor;
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Frame;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.ButtonGroup;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.SwingUtilities;

import com.jgoodies.forms.builder.DefaultFormBuilder;
import com.jgoodies.forms.factories.Borders;
import com.jgoodies.forms.factories.ButtonBarFactory;
import com.jgoodies.forms.layout.CellConstraints;
import com.jgoodies.forms.layout.FormLayout;
import com.jgoodies.forms.util.LayoutStyle;

import IceGrid.*;
import IceGridGUI.*;

class WriteMessageDialog extends JDialog
{
    WriteMessageDialog(final Root root)
    {
	super(root.getCoordinator().getMainFrame(), 
	      "Write Message - IceGrid Admin", true);
	setDefaultCloseOperation(JDialog.HIDE_ON_CLOSE);
	_mainFrame = root.getCoordinator().getMainFrame();
	
	_stdOut = new JRadioButton("Write to stdout");
	_stdOut.setSelected(true);
	JRadioButton stdErr = new JRadioButton("Write to stderr");
	ButtonGroup bg = new ButtonGroup();
	bg.add(_stdOut);
	bg.add(stdErr);

	JButton okButton = new JButton("OK");
	ActionListener okListener = new ActionListener()
	    {
		public void actionPerformed(ActionEvent e)
		{
		    final Coordinator c = root.getCoordinator();
		    final String target = _target;
		    final String prefix = "Writing message to server '" + target + "'...";


		    AMI_Admin_writeMessage cb = new AMI_Admin_writeMessage()
			{
			    public void ice_response()
			    {
				SwingUtilities.invokeLater(new Runnable() 
				    {	
					public void run() 
					{
					    c.getStatusBar().setText(prefix + "done.");
					}
				    });
			    }
			    
			    public void ice_exception(final Ice.UserException e)
			    {
				SwingUtilities.invokeLater(new Runnable() 
				    {
					public void run() 
					{
					    handleFailure("IceGrid exception: " + e.toString());
					}
					
				    });
			    }
					    
			    public void ice_exception(final Ice.LocalException e)
			    {
				SwingUtilities.invokeLater(new Runnable() 
				    {
					public void run() 
					{
					    handleFailure("Communication exception: " + e.toString());
					}
				    });
			    }

			    private void handleFailure(String message)
			    {
				c.getStatusBar().setText(prefix + "failed!");
				
				JOptionPane.showMessageDialog(
				    _mainFrame,
				    message,
				    "Writing message to server '" + target + "' failed",
				    JOptionPane.ERROR_MESSAGE);
			    }
			};
		  
		    try
		    {
			c.getStatusBar().setText(prefix);
			_mainFrame.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));

			c.getAdmin().writeMessage_async(
			    cb, _target, _message.getText(), _stdOut.isSelected() ? 1 : 2);
		    }
		    catch(Ice.LocalException ex)
		    {
			c.getStatusBar().setText(prefix + "failed.");
			JOptionPane.showMessageDialog(
			    _mainFrame,
			    "Communication exception: " + ex.toString(),
			    "Writing message to server '" + target + "' failed",
			    JOptionPane.ERROR_MESSAGE);
	       	
			return;
		    }
		    finally
		    {
			_mainFrame.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
		    }

		    setVisible(false);
		}
	    };
	    okButton.addActionListener(okListener);
	    getRootPane().setDefaultButton(okButton);
	
	    JButton cancelButton = new JButton("Cancel");
	    ActionListener cancelListener = new ActionListener()
		{
		    public void actionPerformed(ActionEvent e)
		    {
			setVisible(false);
		    }
		};
	    cancelButton.addActionListener(cancelListener);

	    FormLayout layout = new FormLayout("left:pref, 3dlu, fill:pref:grow", "");
	    DefaultFormBuilder builder = new DefaultFormBuilder(layout);
	    builder.setDefaultDialogBorder();
	    builder.setRowGroupingEnabled(true);
	    builder.setLineGapSize(LayoutStyle.getCurrent().getLinePad());
	    
	    JScrollPane scrollPane = new JScrollPane(_message,
						     JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED, 
						     JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
	    builder.append(scrollPane, 3);
	    builder.nextLine();
	    builder.append(_stdOut);
	    builder.append(stdErr);
	    builder.nextLine();
	    JComponent buttonBar = 
		ButtonBarFactory.buildOKCancelBar(okButton, cancelButton);
	    buttonBar.setBorder(Borders.DIALOG_BORDER);

	    Container contentPane = getContentPane();
	    contentPane.setLayout(new BoxLayout(contentPane, BoxLayout.Y_AXIS));
	    contentPane.add(builder.getPanel());
	    contentPane.add(buttonBar);

	    pack();
	    setResizable(false);
    }

    void showDialog(String serverId)
    {
	_target = serverId;
	_message.setText("");
	setLocationRelativeTo(_mainFrame);
	setVisible(true);
    }

    private JRadioButton _stdOut;
    private JTextArea _message = new JTextArea(3, 40);
    private String _target;
    private JFrame _mainFrame;
}