package org.myrobotlab.ui.autocomplete;
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.JToolBar;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import org.fife.ui.rsyntaxtextarea.RSyntaxTextArea;
import org.fife.ui.rsyntaxtextarea.SyntaxConstants;
import org.fife.ui.rtextarea.RTextScrollPane;
import org.fife.ui.rtextarea.SearchContext;
import org.fife.ui.rtextarea.SearchEngine;
/**
* A simple example showing how to do search and replace in a RSyntaxTextArea.
* The toolbar isn't very user-friendly, but this is just to show you how to use
* the API.
* <p>
*
* This example uses RSyntaxTextArea 2.0.1.
* <p>
*
* Project Home: http://fifesoft.com/rsyntaxtextarea<br>
* Downloads: https://sourceforge.net/projects/rsyntaxtextarea
*/
public class FindAndReplaceDemo extends JFrame implements ActionListener {
private static final long serialVersionUID = 1L;
private RSyntaxTextArea textArea;
private JTextField searchField;
private JCheckBox regexCB;
private JCheckBox matchCaseCB;
public static void main(String[] args) {
// Start all Swing applications on the EDT.
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
try {
String laf = UIManager.getSystemLookAndFeelClassName();
UIManager.setLookAndFeel(laf);
} catch (Exception e) { /* never happens */
}
FindAndReplaceDemo demo = new FindAndReplaceDemo();
demo.setVisible(true);
demo.textArea.requestFocusInWindow();
}
});
}
public FindAndReplaceDemo() {
JPanel cp = new JPanel(new BorderLayout());
textArea = new RSyntaxTextArea(20, 60);
textArea.setSyntaxEditingStyle(SyntaxConstants.SYNTAX_STYLE_JAVA);
textArea.setCodeFoldingEnabled(true);
textArea.setAntiAliasingEnabled(true);
RTextScrollPane sp = new RTextScrollPane(textArea);
sp.setFoldIndicatorEnabled(true);
cp.add(sp);
// Create a toolbar with searching options.
JToolBar toolBar = new JToolBar();
searchField = new JTextField(30);
toolBar.add(searchField);
final JButton nextButton = new JButton("Find Next");
nextButton.setActionCommand("FindNext");
nextButton.addActionListener(this);
toolBar.add(nextButton);
searchField.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
nextButton.doClick(0);
}
});
JButton prevButton = new JButton("Find Previous");
prevButton.setActionCommand("FindPrev");
prevButton.addActionListener(this);
toolBar.add(prevButton);
regexCB = new JCheckBox("Regex");
toolBar.add(regexCB);
matchCaseCB = new JCheckBox("Match Case");
toolBar.add(matchCaseCB);
cp.add(toolBar, BorderLayout.NORTH);
setContentPane(cp);
setTitle("Find and Replace Demo");
setDefaultCloseOperation(EXIT_ON_CLOSE);
pack();
setLocationRelativeTo(null);
}
@Override
public void actionPerformed(ActionEvent e) {
// "FindNext" => search forward, "FindPrev" => search backward
String command = e.getActionCommand();
boolean forward = "FindNext".equals(command);
// Create an object defining our search parameters.
SearchContext context = new SearchContext();
String text = searchField.getText();
if (text.length() == 0) {
return;
}
context.setSearchFor(text);
context.setMatchCase(matchCaseCB.isSelected());
context.setRegularExpression(regexCB.isSelected());
context.setSearchForward(forward);
context.setWholeWord(false);
boolean found = SearchEngine.find(textArea, context);
if (!found) {
JOptionPane.showMessageDialog(this, "Text not found");
}
}
}