/**

* @name Simple Java NotePad

* @package ph.notepad

* @file Find.java

* @author SORIA Pierre-Henry

* @email pierrehs@hotmail.com

* @link http://github.com/pH-7

* @copyright Copyright Pierre-Henry SORIA, All Rights Reserved.

* @license Apache (http://www.apache.org/licenses/LICENSE-2.0)

* @create 2012-05-05

* @update 2012-05-06

*/

package ph.notepad;

import javax.swing.*;

import java.awt.GraphicsEnvironment;

import java.awt.Point;

import java.awt.event.ActionListener;

import java.awt.event.ActionEvent;

public class Find extends JFrame implements ActionListener {

private static final long serialVersionUID = 1L;

int startIndex=0;

JLabel lab1, lab2;

JTextField textF, textR;

JButton findBtn, findNext, replace, replaceAll, cancel;

private JTextArea txt;

public Find(JTextArea text) {

this.txt = text;

lab1 = new JLabel("Find:");

lab2 = new JLabel("Replace:");

textF = new JTextField(30);

textR = new JTextField(30);

findBtn = new JButton("Find");

findNext = new JButton("Find Next");

replace = new JButton("Replace");

replaceAll = new JButton("Replace All");

cancel = new JButton("Cancel");

// Set Layout NULL

setLayout(null);

// Set the width and height of the label

int labWidth = 80;

int labHeight = 20;

// Adding labels

lab1.setBounds(10,10, labWidth, labHeight);

add(lab1);

textF.setBounds(10+labWidth, 10, 120, 20);

add(textF);

lab2.setBounds(10, 10+labHeight+10, labWidth, labHeight);

add(lab2);

textR.setBounds(10+labWidth, 10+labHeight+10, 120, 20);

add(textR);

// Adding buttons

findBtn.setBounds(225, 6, 115, 20);

add(findBtn);

findBtn.addActionListener(this);

findNext.setBounds(225, 28, 115, 20);

add(findNext);

findNext.addActionListener(this);

replace.setBounds(225, 50, 115, 20);

add(replace);

replace.addActionListener(this);

replaceAll.setBounds(225, 72, 115, 20);

add(replaceAll);

replaceAll.addActionListener(this);

cancel.setBounds(225, 94, 115, 20);

add(cancel);

cancel.addActionListener(this);

// Set the width and height of the window

int width = 360;

int height = 160;

// Set size window

setSize(width,height);

// Set window position

Point center = GraphicsEnvironment.getLocalGraphicsEnvironment().getCenterPoint();

setLocation(center.x-width/2, center.y-height/2);

setVisible(true);

setDefaultCloseOperation(JFrame.HIDE_ON_CLOSE);

}

public void find() {

int select_start = txt.getText().indexOf(textF.getText());

if(select_start == -1)

{

startIndex = 0;

JOptionPane.showMessageDialog(null, "Could not find \"" + textF.getText() + "\"!");

return;

}

if(select_start == txt.getText().lastIndexOf(textF.getText()))

{

startIndex = 0;

}

int select_end = select_start + textF.getText().length();

txt.select(select_start, select_end);

}

public void findNext() {

String selection = txt.getSelectedText();

try

{

selection.equals("");

}

catch(NullPointerException e)

{

selection = textF.getText();

try

{

selection.equals("");

}

catch(NullPointerException e2)

{

selection = JOptionPane.showInputDialog("Find:");

textF.setText(selection);

}

}

try

{

int select_start = txt.getText().indexOf(selection, startIndex);

int select_end = select_start+selection.length();

txt.select(select_start, select_end);

startIndex = select_end+1;

if(select_start == txt.getText().lastIndexOf(selection))

{

startIndex = 0;

}

}

catch(NullPointerException e)

{}

}

public void replace() {

try

{

find();

txt.replaceSelection(textR.getText());

}

catch(NullPointerException e)

{

System.out.print("Null Pointer Exception: "+e);

}

}

public void replaceAll() {

txt.setText(txt.getText().replaceAll(textF.getText(), textR.getText()));

}

public void actionPerformed(ActionEvent e) {

if(e.getSource() == findBtn)

{

find();

}

else if(e.getSource() == findNext)

{

findNext();

}

else if(e.getSource() == replace)

{

replace();

}

else if(e.getSource() == replaceAll)

{

replaceAll();

}

else if(e.getSource() == cancel)

{

this.setVisible(false);

}

}

}