Free "tail -f" Tool for all Platforms: Tail for Windows, Tail for Linux and Tail for Mac

/******************************************************************************
 
Copyright (C) 2006  MakeLogic

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA


Date		: 14th December 2005
Authors		: MakeLogic

Design		: Ujjwal
Developer	: Dharma

********************************************************************************/

package com.makeLogic.utils;

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

import java.io.File;
import java.io.DataOutputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

import java.util.Hashtable;
import java.util.Vector;


import javax.swing.JEditorPane;
import javax.swing.JFileChooser;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JViewport;
import javax.swing.JOptionPane;
import javax.swing.KeyStroke;

import javax.swing.*;

import com.makeLogic.utils.MLInternalFrame;
import com.makeLogic.TailInternalFrame;

/**
 * SaveAs MenuItem is one of the MenuItems of FileMenu.<br>
 * It opens a FileChooser DialogBox.<br>
 * User can enter a File Name and click on OK to save it into a New File.
 */
public class SaveAsMenuItem extends JMenuItem implements ActionListener
{
	//..Declaration
	Container container;
	TailInternalFrame internalFrame;

	SaveAsMenuItem(Container container)
	{	
		//..calls the super class constructor
		super("SaveAs");

		Trace.enter("SaveAsMenuItem.SaveAsMenuItem");
		
		//.. sets the default keystroke as CTRL+A for thr SaveAsMenuItem
		setAccelerator(KeyStroke.getKeyStroke('A',java.awt.Event.CTRL_MASK,false));

		//..adds the Listener class to the SaveAsMenuItem
		addActionListener(this);

		this.container=container;

		Trace.exit("SaveAsMenuItem.SaveAsMenuItem");
	}
	public void setKeyStrokeForSaveAsMenuItem(KeyStroke saveAsMenuItemKeyStroke)
	{
		Trace.enter("SaveAsMenuItem.setKeyStrokeForSaveAsMenuItem");
		
		//..sets the user defined Keystroke for the SaveAsMenuItem
		setAccelerator(saveAsMenuItemKeyStroke);

		Trace.exit("SaveAsMenuItem.setKeyStrokeForSaveAsMenuItem");
	}
	public void actionPerformed(ActionEvent evt)
	{
		Trace.enter("SaveAsMenuItem.actionPerformed");
		
		//.. Default Handler

		//..gets the OpenFileEntries into recentFiles Vector
		Vector recentFileEntries=FileMenu.getRecentFileEntriesVector();

		Component componentInternalFrames[]=container.getComponents();
	
		JRootPane rootPane = (JRootPane)container.getComponents()[0];
		
		JPanel panel = (JPanel)rootPane.getComponents()[0];

		TailInternalFrame internalFrames[]=new TailInternalFrame[componentInternalFrames.length];


		for(int i=0;i<internalFrames.length;i++)
		{

			try
			{
				//..gets the MLInternalFrames from the component array
				internalFrames[i]=(TailInternalFrame)componentInternalFrames[i];
			}
			catch(ClassCastException cce)
			{
				//..Do nothing

				Trace.exception(cce);
				//..JOptionPane.showMessageDialog(null,cce.getMessage(),"MakeLogic:FileMenu",JOptionPane.ERROR_MESSAGE);
				//cce.printStackTrace();
			}
			//..searches for the Active InternalFrame
			if(internalFrames[i].isSelected()==true)
			{
				//..gets the Active InternalFrame
				this.internalFrame=internalFrames[i];

				//..gets the EditorPane from the InternalFrame
				Component[] jsp = internalFrame.getContentPane().getComponents();
				JScrollPane jspn = (JScrollPane)internalFrame.getContentPane().getComponent(0);
				JViewport jvp  = (JViewport)jspn.getViewport();
				JEditorPane jep = (JEditorPane)jvp.getView();

				//..Do this if the frame belongs to open hash table
				if(true)
				{
					//.. if it is  in Already Opened Ask the User to overwrite

					//..get the FileName of the Opend FileName
					//String FileName=(String)tempOpenMenuHash.get(internalFrame);
					
					//..Open a FileChooser
					JFileChooser fileChooser =new JFileChooser();

					//..Fire the property change event
					firePropertyChange("FileChooserOpened",fileChooser,null);

					//.. show the FileChooser
					int response=fileChooser.showSaveDialog(container);

					//..Do this if Save Button is Clicked
					if(response==JFileChooser.APPROVE_OPTION)
					{

						//..gets the selected file						
						File file=fileChooser.getSelectedFile();

						//.. checks for File Existance
						if(file.exists()==true)
						{
							//..Do this if file exists

							//..Open a confirm dialog to overwrite the selected file
							int result=JOptionPane.showConfirmDialog(internalFrame,"This File Already Exists, Do You want to Replace the Existing File ?","Confirm Dialog",JOptionPane.YES_NO_OPTION);

							if(result==JOptionPane.YES_OPTION)
							{
								//..Overwrite the File
								try
								{
									//.. Open the file in output mode
									DataOutputStream outputStream= new DataOutputStream(new FileOutputStream(file.getAbsolutePath()));

									//.. write the EditorPane contents into a file
									outputStream.writeBytes(jep.getText());

								}
								catch(FileNotFoundException fnfe)
								{
									Trace.exception(fnfe);
									//fnfe.printStackTrace();
									//..JOptionPane.showMessageDialog(null,fnfe.getMessage(),"MakeLogic:FileMenu",JOptionPane.ERROR_MESSAGE);
									//fnfe.printStackTrace();
								}
								catch(IOException ioexcep)
								{
									Trace.exception(ioexcep);
									//ioexcep.printStackTrace();
									//..JOptionPane.showMessageDialog(null,ioexcep.getMessage(),"MakeLogic:FileMenu",JOptionPane.ERROR_MESSAGE);
									//ioexcep.printStackTrace();
								}

							}													
							else if(result==JOptionPane.NO_OPTION)
							{
								Trace.exit("SaveAsMenuItem.actionPerformed");
								return;
							}

						}
						else
						{

							//.. Do this if file does not exists
							try
							{
								//.. Open the file in output mode
								DataOutputStream outputStream= new DataOutputStream(new FileOutputStream(file.getAbsolutePath()));

								//.. write the EditorPane contents into a  file
								outputStream.writeBytes(jep.getText());
							}
							catch(FileNotFoundException fnfe)
							{
								Trace.exception(fnfe);
								//fnfe.printStackTrace();
								//..JOptionPane.showMessageDialog(null,fnfe.getMessage(),"MakeLogic:FileMenu",JOptionPane.ERROR_MESSAGE);
								//fnfe.printStackTrace();
							}
							catch(IOException ioexcep)
							{
								Trace.exception(ioexcep);
								//ioexcep.printStackTrace();
								//..JOptionPane.showMessageDialog(null,ioexcep.getMessage(),"MakeLogic:FileMenu",JOptionPane.ERROR_MESSAGE);																
								//ioexcep.printStackTrace();
							}

							//..add the file name to the recentFile vector
							recentFileEntries.add(file.getAbsolutePath());

						}
							
					}//.. END_IF (SAVE OPTION)
	
				}
				else
				{	
				}

				Trace.exit("SaveAsMenuItem.actionPerformed");

				//..Return once the document is saved
				return;
				
			}

			}
			Trace.exit("SaveAsMenuItem.actionPerformed");
		}

}