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

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19 Jul 2006CPOL3 min read 56K   1.1K   24  
MakeLogic Tail is a freeware similar to " tail -f " of Linux. It is Tail for Windows, Tail for Linux and Tail for Mac
/******************************************************************************
 
Copyright (C) 2005  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 com.makeLogic.Tail;
import com.makeLogic.TailMDI;
import com.makeLogic.TailInternalFrame;

import java.awt.GridLayout;

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

import javax.swing.border.EmptyBorder;

import javax.swing.JButton;
import javax.swing.JInternalFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;

/**
 * Summary description for FindDialogEastComp.
 */
public class FindDialogEastComp extends JPanel{

	FindDialog findDialog;
	FindDialogCenterComp findDialogCenterComp;
	TailInternalFrame internalFrame;
	
	//..Contains the array of all the internal frames
	JInternalFrame	tailInternalArray[];
	public int internalArrayCounter = 0;

	String lastSearchText = "";

	public static int lastSearchIndex;
	public static boolean isSearchingAllDocs;

	public FindDialogEastComp(FindDialog findDialog,FindDialogCenterComp findDialogCenterComp)
	{
		//
		// TODO: Add Constructor Logic here
		//

		this.findDialog = findDialog;
		this.findDialogCenterComp = findDialogCenterComp;

		//..Traverse all the opened InternalFrames
		tailInternalArray = getFindDialog().getMDI().getDesktop().getAllFrames();

		//..Set default as current doc search
		isSearchingAllDocs = false;
		lastSearchIndex = -2;
		lastSearchText = null;

		//..Set GridBagLayout
		GridLayout gridLayout = new GridLayout(4,1,2,3);
		setLayout(gridLayout);

		//..Set the border
		setBorder(new EmptyBorder(4,4,4,4));

		//..Find Next Button
		JButton findNext = new JButton("Find Next");
		add(findNext);

		findNext.addActionListener(
			new ActionListener()
			{
				public void actionPerformed(ActionEvent ae)
				{

					//..Verify for singled document search or all document search
					String searchString = getFindDialogCenterComp().getSearchText();
					boolean isMatchCaseSelected = getFindDialogCenterComp().isMatchCaseSelected();
					boolean isCurrentSelected = getFindDialogCenterComp().isCurrentSelected();

					if(isCurrentSelected == false)
					{
						//..if isSearchingAllDocs is true.. continue prev search
						//..else intialize var again
						if(isSearchingAllDocs == false)
						{
							//..mark isSearchingAllDocs as true
							isSearchingAllDocs = true;

							//..Intialize variables and search
							//lastSearchIndex = 0;
							internalArrayCounter = 0;

							//..Traverse all the opened InternalFrames
							tailInternalArray = getFindDialog().getMDI().getDesktop().getAllFrames();
						}


						//..Get the current selected frame, and get the text
						internalFrame = (TailInternalFrame)tailInternalArray[internalArrayCounter];

						//..Debug
						internalFrame.getTextPane().grabFocus();

						//String selectedFrameText = internalFrame.getText();
						String selectedFrameText = internalFrame.getDocumentString();

						int startIndex = -2;

						//..Check if MatchCase selected or not
						if(isMatchCaseSelected == true)
						{
							//..Find the location of the searchString in the FrameText
							startIndex = selectedFrameText.indexOf(searchString);
						}
						else
						{
							//..Find the location of the searchString in the FrameText
							startIndex = selectedFrameText.toUpperCase().indexOf(searchString.toUpperCase());
						}

						if(lastSearchIndex >= startIndex)
						{
							//..Check if MatchCase selected or not
							if(isMatchCaseSelected == true)
							{
								startIndex = selectedFrameText.indexOf(searchString,(lastSearchIndex+searchString.length()));

								lastSearchIndex = startIndex;
							}
							else
							{
								startIndex = selectedFrameText.toUpperCase().indexOf(searchString.toUpperCase(),(lastSearchIndex+searchString.length()));

								lastSearchIndex = startIndex;
							}
						}
						else
						{
							if(lastSearchIndex == -2)
							{
								if(startIndex == -1)
								{
									//..Increment the counter and move the InternalFrame
									internalArrayCounter++;
									lastSearchIndex = -2;

									try
									{
										//..Verify if all docs traversed, if so show MessageDlg
										if(tailInternalArray.length <= internalArrayCounter)
										{
											JOptionPane.showMessageDialog(Tail.tailMDI, "Find reached end of all documents.", "MakeLogic - Tail", JOptionPane.INFORMATION_MESSAGE);

											//..Set last SearchIndex to -2
											lastSearchIndex = -2;
											internalArrayCounter = 0;

											//..Traverse all the opened InternalFrames
											tailInternalArray = getFindDialog().getMDI().getDesktop().getAllFrames();
										}
										else
										{
											//..Set the focus to another Document.
											tailInternalArray[internalArrayCounter].setSelected(true);
										}

										return;
									}
									catch(Exception ex)
									{
										//..Do nothing
									}
								}
								else
								{
									lastSearchIndex = startIndex;
								}
							}
							else
							{
								//..Increment the counter and move the InternalFrame
								internalArrayCounter++;
								lastSearchIndex = -2;

								try
								{
									
									//..Verify if all docs traversed, if so show MessageDlg
									if(tailInternalArray.length <= internalArrayCounter)
									{
										JOptionPane.showMessageDialog(Tail.tailMDI, "Find reached end of all documents.", "MakeLogic - Tail", JOptionPane.INFORMATION_MESSAGE);

										//..Set last SearchIndex to -2
										lastSearchIndex = -2;
										internalArrayCounter = 0;

										//..Traverse all the opened InternalFrames
										tailInternalArray = getFindDialog().getMDI().getDesktop().getAllFrames();
									}
									else
									{
										//..Set the focus to another Document.
										tailInternalArray[internalArrayCounter].setSelected(true);
									}

									return;
								}
								catch(Exception ex)
								{
									//..Do nothing
								}
							}
						}

						if(startIndex != -1)
						{
							//findField.setText("start: "+startIndex+" end: "+(startIndex+searchString.length()));

							internalFrame.setSelectedText(startIndex,(startIndex+searchString.length()));
							//internalFrame.setSelectedText(0,15);
						}
						else
						{
							//..Show that the string is not found
						}

					}
					else
					{
						//..mark isSearchingAllDocs as false
						isSearchingAllDocs = false;

						//..For a Single Doc search
						
						 //..Get the current selected frame, and get the text
						 internalFrame = (TailInternalFrame)getFindDialog().getMDI().getDesktop().getSelectedFrame();

						//..Debug
						internalFrame.getTextPane().grabFocus();

						 //String selectedFrameText = internalFrame.getText();
						String selectedFrameText = internalFrame.getDocumentString();

						//..Verify if null
						if(lastSearchText == null)
						{
							lastSearchText = searchString;
						}

						//..Verify if the searchText has been changed
						if(!lastSearchText.equals(searchString))
						{		
							//..Reset the variables and start the search
							lastSearchIndex = -2;
						}
						

						 int startIndex = -2;

						 //..Check if MatchCase selected or not
						 if(isMatchCaseSelected == true)
						 {
						 	  //..Find the location of the searchString in the FrameText
							  startIndex = selectedFrameText.indexOf(searchString);
						 }
						 else
						 {
							  //..Find the location of the searchString in the FrameText
							  startIndex = selectedFrameText.toUpperCase().indexOf(searchString.toUpperCase());
						 }

						 if(lastSearchIndex >= startIndex)
						 {
							 //..Check if MatchCase selected or not
							 if(isMatchCaseSelected == true)
							 {
								 startIndex = selectedFrameText.indexOf(searchString,(lastSearchIndex+searchString.length()));

								 lastSearchIndex = startIndex;
							 }
							 else
							 {
								 startIndex = selectedFrameText.toUpperCase().indexOf(searchString.toUpperCase(),(lastSearchIndex+searchString.length()));

								 lastSearchIndex = startIndex;
							 }
						 }
						 else
						 {
							if(lastSearchIndex == -2)
							{
								if(startIndex == -1)
								{
									//..Show that the string is not found
									JOptionPane.showMessageDialog(Tail.tailMDI, "Cannot find \""+searchString+"\"", "MakeLogic - Tail", JOptionPane.INFORMATION_MESSAGE);
								}
								else
								{
									lastSearchIndex = startIndex;
								}
							}
							else
							{
								JOptionPane.showMessageDialog(Tail.tailMDI, "Find reached the starting point of the search.", "MakeLogic - Tail", JOptionPane.INFORMATION_MESSAGE);

								//..Set last SearchIndex to -2
								lastSearchIndex = -2;
							}
						 }

						 if(startIndex != -1)
						 {
							//findField.setText("start: "+startIndex+" end: "+(startIndex+searchString.length()));

							internalFrame.setSelectedText(startIndex,(startIndex+searchString.length()));
						 }
						 else
						 {
							 /*
							 if(lastSearchIndex == 0)
							 {
								 //..Show that the string is not found
								 JOptionPane.showMessageDialog(null, "Cannot find \""+searchString+"\"", "MakeLogic - Tail", JOptionPane.INFORMATION_MESSAGE);
							 }
							 */
						 }
					}
				}
			}
			);

		//..Cancel Button
		JButton cancelButton = new JButton("Cancel");
		add(cancelButton);

		cancelButton.addActionListener(
			new ActionListener()
			{
				public void actionPerformed(ActionEvent ae)
				{
					TailMDI.findDialogOpened = false;

					getFindDialog().dispose();
				}
			}
			);
	}

	//..return the FindDialog object
	public FindDialog getFindDialog()
	{
		return findDialog;
	}

	//..return the FindDialogCenterComp object
	public FindDialogCenterComp getFindDialogCenterComp()
	{
		return findDialogCenterComp;
	}

}

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Web Developer
India India
Founder of MakeLogic - A Mobile Solutions and XML Web Services Company. B-Tech engineer from India's reputed IITs.

Designed and Authored products like MicroGraphs, MakeLogic VersionManager and MakeLogic Device Broker. Pls see http://www.makelogic.com

MakeLogic is a strategic business partner of Microsoft, Sun, IBM, HP and Citrix.

Contact : madanuuk@makelogic.com OR +91 - 40 - 55322433

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