import java.io.*;
import java.awt.*;
import java.net.*;
import java.util.*;
import java.text.*;
import java.awt.event.*;

import javax.swing.*;
import javax.swing.event.*;
import javax.swing.border.*;
import javax.swing.plaf.*;
import javax.swing.JDialog;
import javax.swing.JOptionPane;
import javax.swing.JFileChooser;
import javax.swing.filechooser.FileFilter;

public class DataUtil extends JDialog implements ActionListener {

	static JDialog dmDlg;
	static JFileChooser ascii_fc, dir_out_fc;
	static JPanel fullPanel, topGridPanel, selobjPanel, selobjTAPanel, topbutPanel;
	static JPanel dataOutPanel, outpathPanel, btmbutPanel, midGridPanel, outnamePanel;
	static JPanel fullPathPanel;
	static JButton selobj_but, SortBut, ConcBut, RvrBut, ExitBut, SaveBut, OpenBut;
	static JButton outpath_but, ResBut, DelBlnkBut, DupBut;
	static JTextArea selobjTA, dataOutTA;
	static JTextField outpathField, outnameField, fullPathField;
	static JScrollPane textScroller, textScrollerTA;

	static String fileListStg, curdirStg, dataout_DIR, exp_txtnm, full_proe_bat;
	static String bat_cmd, open_outnm, dataname, dataOutStg, dtStg;
	static String[] strings, outputStg;
	static File[] selectedFiles;

	DIR_Filter dir_filter = new DIR_Filter();
	ascii_Filter ascii_filter = new ascii_Filter();

    public DataUtil() {

		dmDlg=new JDialog(new JFrame()," Data Utility Tool ",true);
		dmDlg.setResizable( false );

		dmDlg.addWindowListener( new WindowAdapter() {
			public void windowClosing( WindowEvent e ) { System.exit(0); }
		});

		try {
			UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");
		}
		catch (Exception exc) {}

		dataout_DIR = curdirStg = System.getProperty( "user.dir" );

		dtStg = getDateStg();
		String outnameStg = dtStg + "_DataMan.txt";
		String fullpathStg = dataout_DIR + "\\" + outnameStg;

		ascii_fc = new JFileChooser(curdirStg);
		dir_out_fc	= new JFileChooser(dataout_DIR);

		fullPanel = new JPanel();
		fullPanel.setBorder(new EmptyBorder(1,1,1,1));
		fullPanel.setLayout(new BorderLayout());

		topGridPanel = new JPanel();
		GridBagLayout gbc0 = new GridBagLayout();
		topGridPanel.setLayout(gbc0);

		// Select Object Panel
		selobjPanel = new JPanel();

		// Select Object Text Area Label & Button
		JLabel selobjLabel = new JLabel(" Select Data To Manipulate:");
		selobjPanel.add(selobjLabel);

		selobj_but = new JButton("Select File(s)");
		selobj_but.addActionListener(this);
		selobjPanel.add(selobj_but);

		// ProE Object Text Area Panel
		selobjTAPanel= new JPanel();
		selobjTAPanel.setLayout(new BorderLayout());

		JLabel selobjTALabel = new JLabel("File(s) Selected List:");
		selobjTAPanel.add(selobjTALabel, BorderLayout.NORTH);

		selobjTA = new JTextArea("",6,65);
		selobjTA.setLineWrap(false);

		textScrollerTA = new JScrollPane(selobjTA);
		selobjTAPanel.add(textScrollerTA);

		topbutPanel = new JPanel();
		topbutPanel.setLayout ( new FlowLayout(FlowLayout.CENTER) );

		ConcBut = new JButton("Concatenate / Combine");
		ConcBut.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				Concat();
		}});
		topbutPanel.add(ConcBut);

		SortBut = new JButton("Sort");
		SortBut.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				sortStrings();
		}});
		topbutPanel.add(SortBut);

		RvrBut = new JButton("Reverse");
		RvrBut.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				reverseStrings();
		}});
		topbutPanel.add(RvrBut);

		DelBlnkBut = new JButton("Delete Blank Lines");
		DelBlnkBut.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				delBlank();
		}});
		topbutPanel.add(DelBlnkBut);

		DupBut = new JButton("Duplicate Column");
		DupBut.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				dupColumn();
		}});
		topbutPanel.add(DupBut);

		ResBut = new JButton("Reset All");
		ResBut.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				setResetAll();
		}});
		topbutPanel.add(ResBut);

		topGridPanel.add(selobjPanel, new GridBagConstraints(0, 0, 1, 1, 0.0, 0.0
			,GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(1, 1, 1, 1), 1, 0));
		topGridPanel.add(selobjTAPanel, new GridBagConstraints(0, 1, 1, 1, 0.0, 0.0
			,GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(1, 1, 1, 1), 1, 0));
		topGridPanel.add(topbutPanel, new GridBagConstraints(0, 2, 1, 1, 0.0, 0.0
			,GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(1, 1, 1, 1), 1, 0));

		midGridPanel = new JPanel();
		GridBagLayout gbc1 = new GridBagLayout();
		midGridPanel.setLayout(gbc1);

		// Data Output Field Panel
		dataOutPanel = new JPanel();
		dataOutPanel.setLayout(new BorderLayout());

		JLabel dataOutLabel = new JLabel("Data Output:");
		dataOutPanel.add(dataOutLabel, BorderLayout.NORTH);

		dataOutTA = new JTextArea("",12,65);
		dataOutTA.setLineWrap(false);

		textScroller = new JScrollPane( dataOutTA );
		dataOutPanel.add(textScroller, BorderLayout.SOUTH);

		// Output Path Panel
		outpathPanel= new JPanel();

		JLabel outpathLabel = new JLabel("Data Output Path");
		outpathPanel.add(outpathLabel);

		outpathField = new JTextField(dataout_DIR,25);
		outpathPanel.add(outpathField);

		outpath_but = new JButton("Select Dir/Folder");
		outpath_but.addActionListener(this);
		outpathPanel.add(outpath_but);

		// Output Name Panel
		outnamePanel= new JPanel();

		JLabel outnameLabel = new JLabel("Data Output File Name");
		outnamePanel.add(outnameLabel);

		outnameField = new JTextField(outnameStg,20);
		outnamePanel.add(outnameField);

		// Full Output Path/Name Panel
		fullPathPanel= new JPanel();

		JLabel fullPathLabel = new JLabel("Full Output File Path/Name");
		fullPathPanel.add(fullPathLabel);

		fullPathField = new JTextField(fullpathStg,35);
		fullPathPanel.add(fullPathField);

		midGridPanel.add(dataOutPanel, new GridBagConstraints(0, 0, 1, 1, 0.0, 0.0
			,GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(1, 1, 1, 1), 1, 0));
		midGridPanel.add(outpathPanel, new GridBagConstraints(0, 1, 1, 1, 0.0, 0.0
			,GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(1, 1, 1, 1), 1, 0));
		midGridPanel.add(outnamePanel, new GridBagConstraints(0, 2, 1, 1, 0.0, 0.0
			,GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(1, 1, 1, 1), 1, 0));
		midGridPanel.add(fullPathPanel, new GridBagConstraints(0, 3, 1, 1, 0.0, 0.0
			,GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(1, 1, 1, 1), 1, 0));

		btmbutPanel = new JPanel();
		btmbutPanel.setLayout ( new FlowLayout(FlowLayout.CENTER) );

		SaveBut = new JButton("SAVE NEW DATA FILE");
		SaveBut.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				open_outnm = getoutName();
				SaveSelected( open_outnm );
		}});
		btmbutPanel.add(SaveBut);

		OpenBut = new JButton("OPEN NEWLY SAVED DATA FILE");
		OpenBut.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				open_outnm = getoutName();
				SaveSelected( open_outnm );
				RunCmdInt( open_outnm );
		}});
		btmbutPanel.add(OpenBut);

		ExitBut = new JButton("EXIT");
		ExitBut.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) { System.exit(0); }
		});
		btmbutPanel.add(ExitBut);

		fullPanel.add(topGridPanel, BorderLayout.NORTH);
		fullPanel.add(midGridPanel, BorderLayout.CENTER);
		fullPanel.add(btmbutPanel, BorderLayout.SOUTH);

		dmDlg.getContentPane().add(fullPanel, BorderLayout.NORTH);
		dmDlg.pack();
		dmDlg.show();
	}

	public void actionPerformed( ActionEvent evt ) {
		Object source = evt.getSource();

		if ( source == selobj_but ) {
			ascii_fc.addChoosableFileFilter( ascii_filter );
			ascii_fc.setMultiSelectionEnabled(true);
			int returnVal = ascii_fc.showOpenDialog( dmDlg );

            if (returnVal == JFileChooser.APPROVE_OPTION) {
				selectedFiles = ascii_fc.getSelectedFiles();

				for (int i = 0; i < selectedFiles.length; i++) {
					selobjTA.append( selectedFiles[i].getAbsolutePath() + "\n" );
				}
			} else {}
		}
		else if ( source == outpath_but ) {
			dir_out_fc.addChoosableFileFilter( dir_filter );
			dir_out_fc.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
			int returnVal = dir_out_fc.showOpenDialog( dmDlg );

            if (returnVal == JFileChooser.APPROVE_OPTION) {
				dataout_DIR	=	dir_out_fc.getCurrentDirectory()
								+ java.io.File.separator
								+ dir_out_fc.getSelectedFile().getName();
				outpathField.setText(dataout_DIR);

				fullPathField.setText("");
				open_outnm = getoutName();
				fullPathField.setText( open_outnm );
            } else {}
		}
	}

	public String getoutName() {
		dataname = getoutname();
		dataout_DIR = getdataout();
		open_outnm = dataout_DIR + "\\" + dataname;

		return open_outnm;
	}

	public void setResetAll() {
		selobjTA.setText("");
		dataOutTA.setText("");

		dataout_DIR = System.getProperty( "user.dir" );
		outpathField.setText( dataout_DIR );

		outnameField.setText("");
		dtStg = getDateStg();
		String outnameStg = dtStg + "_DataMan.txt";
		outnameField.setText( outnameStg );

		fullPathField.setText("");
		String fullpathStg = dataout_DIR + "\\" + outnameStg;
		fullPathField.setText( fullpathStg );

		dir_out_fc	= new JFileChooser(dataout_DIR);
	}

	public String getFileList() {
		fileListStg = selobjTA.getText();
		return fileListStg;
	}

	public String getdataOut() {
		dataOutStg = dataOutTA.getText();
		return dataOutStg;
	}

	public String getdataout() {
		dataout_DIR = outpathField.getText();
		return dataout_DIR;
	}

	public String getoutname() {
		dataname = outnameField.getText();
		return dataname;
	}

	public String getDateStg() {
		SimpleDateFormat df = new SimpleDateFormat ("MMddyy_HHmmss", Locale.getDefault());
		Date tm = new Date();
		String dtStg = df.format(tm);

		return dtStg;
	}

	public void SaveSelected( String open_outnm ) {
		dataOutStg = getdataOut();
		try {
			PrintStream expfl = new PrintStream(new FileOutputStream(open_outnm));
			expfl.println( dataOutStg );
			expfl.flush();
			expfl.close();
		} catch(java.io.IOException IOEx) {
			System.out.println("Cannot create " + open_outnm + " file.");
		}
	}

	public void Concat() {
		fileListStg	= getFileList();
		outputStg = stringToArray( fileListStg );

		for(int i = 0;i < outputStg.length;i++) {
			File datafile = new File(outputStg[i]);

			try {
				BufferedReader reader = null;
				reader = new BufferedReader(new FileReader(datafile));

				String line = null;
				while ((line = reader.readLine()) != null) {
					try {
						dataOutTA.append( line + "\n" );
					}
					catch (Exception exc) {
						System.out.println(exc.toString());
					}
				}
				reader.close();
			}
			catch (IOException exc2) {
				System.out.println("Exception: ");
				exc2.printStackTrace();
			}
		}
	}

    public void sortStrings() {
		dataOutStg = getdataOut();
		strings = stringToArray( dataOutStg );

		for ( int i = 0; i < strings.length - 1; ++i ) {
			for ( int j = i + 1; j < strings.length; ++j ) {
				if ( strings[i].compareTo( strings[j] ) > 0 ) {
		 			String t = strings[i];
		 			strings[i] = strings[j];
		 			strings[j] = t;
				}
			}
		}

		dataOutTA.setText("");
		for ( int k = 0; k < strings.length; k++) {
			dataOutTA.append( strings[k] + "\n" );
		}
	}

	public void reverseStrings() {
		dataOutStg = getdataOut();
		strings = stringToArray( dataOutStg );

		String temp;
		int left = 0;
		int right = strings.length - 1;

		while (left < right) {
			temp = strings[left];
			strings[left] = strings[right];
			strings[right] = temp;
			right--;
			left++;
		}

		dataOutTA.setText("");
		for ( int k = 0; k < strings.length; k++) {
			dataOutTA.append( strings[k] + "\n" );
		}
	}

	public void RunCmdInt ( String open_outnm ) {
		String s = null;
		try {

			String wordpad = ("\"C:\\Program Files\\Windows NT\\Accessories\\wordpad.exe\"");
			Process p = Runtime.getRuntime().exec("cmd /c " + wordpad + " " + open_outnm );

			BufferedReader stdInput = new BufferedReader(new
				InputStreamReader(p.getInputStream()));

			BufferedReader stdError = new BufferedReader(new
				InputStreamReader(p.getErrorStream()));

			while ((s = stdInput.readLine()) != null) {
				System.out.println( s );
			}

			while ((s = stdError.readLine()) != null) {
				System.out.println("Standard Error: " + s + "\n");
					JOptionPane.showMessageDialog ( dmDlg, "Run Comman Failed",
					"Open Manually: " + open_outnm, JOptionPane.INFORMATION_MESSAGE );
			}
		}
		catch (IOException e) {
			System.out.println("Exception: ");
			e.printStackTrace();
			System.exit(-1);
		}
	}

	public static String[] stringToArray( String S) {
		if ( S == null || S.equals(""))
			return null;

		StringTokenizer t = new StringTokenizer(S, "\n", true);
		Vector          v = new Vector(32);
		String          s, u;
		int             lineno = 0;

		while ( t.hasMoreTokens()) {
			if ( !(s = t.nextToken()).equals("\n"))
				if ( t.hasMoreTokens())
				t.nextToken();

			v.addElement( (Object) s);
		}

		v.trimToSize();   int top = v.size();
		String[] a = new String[ top];

		for ( int i = 0; i < top; i++)
			a[i] = (String) v.elementAt(i);

		v = null;

		return a;
	}

	public void delBlank() {
		dataOutStg = getdataOut();
		String dataOutStg1 = StgReplace(dataOutStg, "\n\n\n\n\n\n\n\n\n\n", "\n" );
		String dataOutStg2 = StgReplace(dataOutStg1,"\n\n\n\n\n\n\n\n\n", "\n" );
		String dataOutStg3 = StgReplace(dataOutStg2,"\n\n\n\n\n\n\n\n", "\n" );
		String dataOutStg4 = StgReplace(dataOutStg3,"\n\n\n\n\n\n\n", "\n" );
		String dataOutStg5 = StgReplace(dataOutStg4,"\n\n\n\n\n\n", "\n" );
		String dataOutStg6 = StgReplace(dataOutStg5,"\n\n\n\n\n", "\n" );
		String dataOutStg7 = StgReplace(dataOutStg6,"\n\n\n\n", "\n" );
		String dataOutStg8 = StgReplace(dataOutStg7,"\n\n\n", "\n" );
		String dataOutStg9 = StgReplace(dataOutStg8,"\n\n", "\n" );

		dataOutTA.setText("");
		dataOutTA.append( dataOutStg9 );
	}

	public static String StgReplace (String target, String from, String to) {
		int start = target.indexOf (from);
		if (start==-1) return target;
		int lf = from.length();
		int tf = target.length();
		char [] targetChars = target.toCharArray();
		StringBuffer buffer = new StringBuffer();
		int copyFrom=0;
		while (start != -1)
		{
			buffer.append (targetChars, copyFrom, start-copyFrom);
			buffer.append (to);
			copyFrom=start+lf;
			start = target.indexOf (from, copyFrom);
		}
		buffer.append (targetChars, copyFrom, targetChars.length-copyFrom);
		String finstg = buffer.toString();

		return finstg;
	}

	public void dupColumn() {
		dataOutStg = getdataOut();
		strings = stringToArray( dataOutStg );

		for ( int i = 0; i < strings.length; ++i ) {
			strings[i] = strings[i] + " " + strings[i];
		}

		dataOutTA.setText("");
		for ( int k = 0; k < strings.length; k++) {
			dataOutTA.append( strings[k] + "\n" );
		}
	}

	public static void main(String[] args) {
		DataUtil dmDlg;
		dmDlg = new DataUtil();

		dmDlg.addWindowListener( new WindowAdapter() {
			public void windowClosing( WindowEvent e ) { System.exit(0); }
		});
	}
}