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/**
* @name Simple Java NotePad
* @package ph.notepad
* @file UI.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 2012-05-04
* @update 2015-09-4
*
*
* @modifiedby Achintha Gunasekara
* @modweb http://www.achinthagunasekara.com
* @modemail contact@achinthagunasekara.com
*
* @Modifiedby SidaDan
* @modemail Fschultz@sinf.de
* Center this JFrame to the JTextArea
* Bug fixed. If JTextArea txt not empty and the user will
* shutdown the Simple Java NotePad, then the Simple Java NotePad
* is only hidden (still running). We need DISPOSE_ON_CLOSE for
* this JFrame.
* Tested with java 8.
*
* @Modifiedby SidaDan
* @modemail Fschultz@sinf.de
* Removed unsused imports
*/
package simplejavatexteditor;
import javax.swing.*;
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;
int select_start=-1;
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);
// center the frame on the frame
setLocationRelativeTo(txt);
setVisible(true);
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
}
public void find() {
select_start = txt.getText().toLowerCase().indexOf(textF.getText().toLowerCase());
if(select_start == -1)
{
startIndex = 0;
JOptionPane.showMessageDialog(null, "Could not find \"" + textF.getText() + "\"!");
return;
}
if(select_start == txt.getText().toLowerCase().lastIndexOf(textF.getText().toLowerCase()))
{
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().toLowerCase().indexOf(selection.toLowerCase(), startIndex);
int select_end = select_start+selection.length();
txt.select(select_start, select_end);
startIndex = select_end+1;
if(select_start == txt.getText().toLowerCase().lastIndexOf(selection.toLowerCase()))
{
startIndex = 0;
}
}
catch(NullPointerException e)
{}
}
public void replace() {
try
{
find();
if (select_start != -1)
txt.replaceSelection(textR.getText());
}
catch(NullPointerException e)
{
System.out.print("Null Pointer Exception: "+e);
}
}
public void replaceAll() {
txt.setText(txt.getText().toLowerCase().replaceAll(textF.getText().toLowerCase(), 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);
}
}
}