package de.glossmaker.gui.bibtex;

 import java.awt.Component;

 import java.awt.event.ActionListener;

 import java.awt.event.KeyEvent;

 import java.awt.event.KeyListener;

 import java.util.regex.Matcher;

 import java.util.regex.Pattern;

 import javax.help.CSH;

 import javax.swing.AbstractCellEditor;

 import javax.swing.JTable;

 import javax.swing.JTextField;

 import javax.swing.table.TableCellEditor;

 import de.glossmaker.gui.gloss.help.HelpSystem;

 @SuppressWarnings("serial")

 public class CustomTableCellEditor extends AbstractCellEditor implements

                 TableCellEditor {

         private JTextField mTextField = null;

         private ActionListener mActionListener;

         private void setTextInBrackets(String pattern, String prefix, String suffix) {

                 String text = mTextField.getText();

                 Pattern p = Pattern.compile(pattern);

                 Matcher m = p.matcher(text);

                 if (m.find()) {

                         text = m.group(1);

                 } else {

                         text = prefix + text + suffix;

                 }

                 mTextField.setText(text);

         }

         public CustomTableCellEditor() {

                 mTextField = new JTextField();

                 mTextField.setName("bibitems_table_textfield");

                 mTextField.addKeyListener(new KeyListener() {

                         @Override

                         public void keyTyped(KeyEvent arg0) {}

                         @Override

                         public void keyReleased(KeyEvent arg0) {}

                         @Override

                         public void keyPressed(KeyEvent event) {

                                 if (event.isAltDown() == true && event.getKeyCode() == KeyEvent.VK_B) {

                                         setTextInBrackets("^\\{(.*)\\}$", "{", "}");

                                 } else         if (event.isAltDown() == true && event.getKeyCode() == KeyEvent.VK_U) {

                                         setTextInBrackets("^[\\\\]url\\{(.*)\\}$", "\\url{", "}");

                                 } else if (event.getKeyCode() == KeyEvent.VK_ENTER) {

                                         mTextField.removeActionListener(mActionListener);

                                 } else if (event.getKeyCode() == KeyEvent.VK_F1) {

                                         mTextField.addActionListener(mActionListener);

                                 }

                         }

                 });

                 CSH.setHelpIDString(mTextField, "section.bibeditor.edit_item");

                 mActionListener = new CSH.DisplayHelpFromFocus(HelpSystem.getInstance().getHelpSet(), "javax.help.MainWindow", null);

                 mTextField.addActionListener(mActionListener);

         }

         @Override

         public Object getCellEditorValue() {

                 return mTextField.getText(); 

         }

         @Override

         public Component getTableCellEditorComponent(JTable table, Object value, 

                         boolean isSelected, int rowIndex, int vColIndex) {

                 mTextField.setText((String)value); 

                 return mTextField;

         }

 }