//Declaring Objects

JMenuBar mnBar;

JMenu mnFile,mnEdit;

JMenuItem mnOpen,mnSave,mnSaveAs,mnClear,mnCopy,mnExit;

JPanel pnButtons,pnTxtField,pnTxtArea,pnStatistics;

JTextField pathFld;

JTextArea textAr;

JButton openBtn;

JButton clearBtn;

JButton saveBtn;

JButton copyBtn;

JLabel curCharsLbl;

JLabel charsLbl;

JLabel charsNSLbl;

JLabel wordsLbl;

JLabel paragraphsLbl;

JLabel fileSizeLbl;

//Initializing Static Strings

private static final String file = "File";

private static final String edit = "Edit";

private static final String open = "Open";

private static final String exit = "Exit";

private static final String clear = "Clear";

private static final String save = "Save";

private static final String saveAs = "Save As";

private static final String copy = "Copy";

private static final String chars = "Characters: ";

private static final String words = "| Words: ";

private static final String paragraphs = "| Paragraphs: ";

private static final String curChars = "Current Characters: ";

private static final String charsNS = "| Char NoSpaces: ";

private static final String fileSize = "| Size of File: ";

private static final String error = "Error ";

private static final String msg = "Message";

private static final String erFile = "with opening File: ";

private static final String erNameOfFile = "name of the file is empty!";

private static final String erOpen = "file selected is not txt!";

public JTextEditor() {

//Initializing Objects

BorderLayout bl2 = new BorderLayout(0,20);

Border blackLine,raisedBevel;

blackLine = BorderFactory.createLineBorder(Color.black);

raisedBevel = BorderFactory.createRaisedBevelBorder();

KeyStroke keyStrokeToOpen = KeyStroke.getKeyStroke(KeyEvent.VK_O, KeyEvent.CTRL_DOWN_MASK);

KeyStroke keyStrokeToSave = KeyStroke.getKeyStroke(KeyEvent.VK_S, KeyEvent.CTRL_DOWN_MASK);

//Dimensions Objects

Dimension txtFldDim = new Dimension(400,25);

Dimension btnDim = new Dimension(80,30);

//Menu Objects

mnBar = new JMenuBar();

mnFile= new JMenu(file);

mnFile.setMnemonic(KeyEvent.VK_F);

mnBar.add(mnFile);

mnEdit= new JMenu(edit);

mnEdit.setMnemonic(KeyEvent.VK_E);

mnBar.add(mnEdit);

mnOpen = new JMenuItem(open,new ImageIcon("src/images/open.png"));

mnOpen.setAccelerator(keyStrokeToOpen);

mnOpen.addActionListener(this);

mnFile.add(mnOpen);

mnSave = new JMenuItem(save,new ImageIcon("src/images/save.png"));

mnSave.setAccelerator(keyStrokeToSave);

mnSave.addActionListener(this);

mnFile.add(mnSave);

mnSaveAs = new JMenuItem(saveAs,new ImageIcon("src/images/save_as.png"));

mnSaveAs.addActionListener(this);

mnFile.add(mnSaveAs);

mnFile.addSeparator();

mnExit = new JMenuItem(exit,new ImageIcon("src/images/exit.png"));

mnExit.addActionListener(this);

mnFile.add(mnExit);

mnClear = new JMenuItem(clear,new ImageIcon("src/images/clear.png"));

mnClear.addActionListener(this);

mnEdit.add(mnClear);

mnCopy = new JMenuItem(copy,new ImageIcon("src/images/copy.png"));

mnCopy.addActionListener(this);

mnEdit.add(mnCopy);

//Panel Objects

pnButtons = new JPanel();

pnTxtField = new JPanel();

pnTxtField.setLayout(bl2);

pnStatistics = new JPanel();

pnStatistics.setBorder(raisedBevel);

//Buttons Objects

openBtn = new JButton(open);

openBtn.addActionListener(this);

openBtn.setPreferredSize(btnDim);

openBtn.setMaximumSize(btnDim);

pnButtons.add(openBtn);

clearBtn = new JButton(clear);

clearBtn.addActionListener(this);

clearBtn.setPreferredSize(btnDim);

clearBtn.setMaximumSize(btnDim);

pnButtons.add(clearBtn);

saveBtn = new JButton(save);

saveBtn.addActionListener(this);

saveBtn.setPreferredSize(btnDim);

saveBtn.setMaximumSize(btnDim);

pnButtons.add(saveBtn);

copyBtn = new JButton(copy);

copyBtn.addActionListener(this);

copyBtn.setPreferredSize(btnDim);

copyBtn.setMaximumSize(btnDim);

pnButtons.add(copyBtn);

//TextField Objects

pathFld = new JTextField();

pathFld.setPreferredSize(txtFldDim);

pathFld.setMinimumSize(txtFldDim);

pathFld.setBorder(blackLine);

pnTxtField.add(pathFld,BorderLayout.PAGE_START);

//TextArea Objects

textAr = new JTextArea();

textAr.addKeyListener(this);

textAr.setBorder(blackLine);

JScrollPane scroll = new JScrollPane(textAr);

pnTxtField.add(scroll,BorderLayout.CENTER);

//Labels Objects

curCharsLbl = new JLabel(curChars+"0");

pnTxtField.add(curCharsLbl,BorderLayout.PAGE_END);

charsLbl = new JLabel(chars+"0");

pnStatistics.add(charsLbl);

charsNSLbl = new JLabel(charsNS+"0");

pnStatistics.add(charsNSLbl);

wordsLbl = new JLabel(words+"0");

pnStatistics.add(wordsLbl);

paragraphsLbl = new JLabel(paragraphs+"0");

pnStatistics.add(paragraphsLbl);

fileSizeLbl = new JLabel(fileSize+"0"+" Bytes");

pnStatistics.add(fileSizeLbl);

// Adds and Sets on JFrame

BorderLayout bl = new BorderLayout(0,5);

this.setLayout(bl);

this.addWindowListener(this);

this.setJMenuBar(mnBar);

this.add(pnButtons,BorderLayout.PAGE_START);

this.add(pnTxtField,BorderLayout.CENTER);

this.add(pnStatistics,BorderLayout.PAGE_END);

}

@Override

public void actionPerformed(ActionEvent e) {

String cmd = e.getActionCommand();

switch (cmd){

case open: open(); break;

case clear: clear(); break;

case save: save(); break;

case saveAs: saveAs(); break;

case copy: copy(); break;

case exit: System.exit(0); break;

}

}

private void copy(){

String choice3 = JOptionPane.showInputDialog("Give the name of the file: ");

if(choice3!=null && choice3.trim().length()>0){

String dir2 = "./"+choice3+".txt";

openFileForWrite(dir2);

}else{

JOptionPane.showMessageDialog(this, error+erNameOfFile, error+msg, JOptionPane.ERROR_MESSAGE);

}

}

private void saveAs(){

JFileChooser choice2 = new JFileChooser();

//choice2.setCurrentDirectory(new File("C://"));

int option2 = choice2.showSaveDialog(this);

if (option2 == JFileChooser.APPROVE_OPTION) {

String dir = choice2.getSelectedFile()+".txt";

openFileForWrite(dir);

}

}

private void save(){

if (pathFld.getText()!=null && pathFld.getText().trim().length()>0){

String dir;

if(pathFld.getText().contains(".txt"))

dir = pathFld.getText();

else

dir = pathFld.getText()+".txt";

openFileForWrite(dir);

}else{

JFileChooser choice2 = new JFileChooser();

//choice2.setCurrentDirectory(new File("C://"));

int option2 = choice2.showSaveDialog(this);

if (option2 == JFileChooser.APPROVE_OPTION) {

String dir = choice2.getSelectedFile()+".txt";

openFileForWrite(dir);

}

}

}

private void clear(){

if(!pathFld.getText().isEmpty())

pathFld.setText("");

if(!textAr.getText().isEmpty())

textAr.setText("");

curCharsLbl.setText(curChars+"0");

charsLbl.setText(chars+"0");

wordsLbl.setText(words+"0");

paragraphsLbl.setText(paragraphs+"0");

charsNSLbl.setText(charsNS+"0");

fileSizeLbl.setText(fileSize+"0"+" Bytes");

}

private void open(){

JFileChooser choice = new JFileChooser();

//choice.setCurrentDirectory(new File("C://"));

int option = choice.showOpenDialog(this);

if (option == JFileChooser.APPROVE_OPTION){

if(choice.getSelectedFile().toString().contains(".txt")){

try (FileReader fr = new FileReader(choice.getSelectedFile().toString())) {

int cntChars = 0,cntSpaces = 0,cntNewLines = 0;

int cntWords,cntParagraphs;

char input;

File selected = choice.getSelectedFile();

long FileSize=selected.length(); //Size of the file

pathFld.setText(choice.getSelectedFile().toString());

textAr.setText("");

while (fr.ready()) {

input = (char) fr.read();

textAr.setText(textAr.getText()+input);

//Checking for spaces,enters and tabs

if(input == ' ' || input == '\t')

cntSpaces++;

if(input == '\n' || input == '\r')

cntNewLines++;

cntChars++;

}

fr.close();

curCharsLbl.setText(curChars+cntChars); //Print Current Characters Label

charsLbl.setText(chars+cntChars); //Print Characters Label

charsNSLbl.setText(charsNS+(cntChars-cntSpaces-cntNewLines)); //Print Characters with no spaces Label

cntParagraphs=cntNewLines+1;

paragraphsLbl.setText(paragraphs+cntParagraphs); //Print Paragraphs Label

cntWords=cntSpaces+cntNewLines+1;

wordsLbl.setText(words+cntWords); //Print Words Label

//Print FileSize Label

if(FileSize>=1000){

double newFileSize=FileSize/1000.00;

DecimalFormat FileSizeFormat = new DecimalFormat("#.00");

fileSizeLbl.setText(fileSize+FileSizeFormat.format(newFileSize)+" KBytes");

}else

fileSizeLbl.setText(fileSize+FileSize+" Bytes");

} catch(IOException ex) {

JOptionPane.showMessageDialog(this, error+erFile+ex.toString(), error+msg, JOptionPane.ERROR_MESSAGE);

}

}else

JOptionPane.showMessageDialog(this, error+erOpen, error+msg, JOptionPane.ERROR_MESSAGE);

}

}

private void openFileForWrite(String dir){

String txt = textAr.getText();

try(FileWriter fw = new FileWriter(dir)) {

fw.write(txt);

fw.close();

} catch (Exception ex) {

JOptionPane.showMessageDialog(this, error+erFile+ex.toString(), error+msg, JOptionPane.ERROR_MESSAGE);

}

}

@Override

public void keyTyped(KeyEvent e) {}

@Override

public void keyPressed(KeyEvent ke) {

curCharsLbl.setText(curChars+textAr.getText().length());

}

@Override

public void keyReleased(KeyEvent ke) {

curCharsLbl.setText(curChars+textAr.getText().length());

}

@Override

public void windowOpened(WindowEvent e) {}

@Override

public void windowClosing(WindowEvent e) {

System.exit(0);

}

@Override

public void windowClosed(WindowEvent e) {}

@Override

public void windowIconified(WindowEvent e) {}

@Override

public void windowDeiconified(WindowEvent e) {}

@Override

public void windowActivated(WindowEvent e) {}

@Override

public void windowDeactivated(WindowEvent e) {}

}