import java.awt.Color;
import java.awt.Component;
import java.awt.FlowLayout;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.AbstractCellEditor;
import javax.swing.table.TableCellEditor;
 
/**
 * <p>Title: Trigger Reset Editor</p>
 * <p>Description: Custom editor for specifying the trigger and the
reset.</p>
 * <p>Copyright: Copyright (c) 2002</p>
 * <p>Company: Peakstone Corporation</p>
 * @author Kate Lapan Fox
 * @version 2.0
 * @todo tab moves from trigger to reset to stopping editing
 * @todo validate the trigger and reset values (prevent wrong input)
 */
public class TriggerResetEditor extends AbstractCellEditor implements
TableCellEditor {
 
	private Editor editor = new Editor();
 
	/**
	 * Create the trigger reset editor
	 */
	public TriggerResetEditor() {
	}
 
	/**
	 * Get the value from the cell editor
	 *
	 * @return value
	 */
	public Object getCellEditorValue() {
		return editor.getValue();
	}
 
	/**
	 *  Sets an initial <code>value</code> for the editor.  
	 * @param	isSelected	true if the cell is to be rendered with
	 *				highlighting
	 * @param	row     	the row of the cell being edited
	 * @param	column  	the column of the cell being edited
	 * @return	the component for editing
	 */
	public Component getTableCellEditorComponent(JTable table, Object
value,
		boolean isSelected, int row, int column) {
		editor.setValue((String)value);
		return editor;
	}
 
	/**
	 * <p>Title: Editor</p>
	 * <p>Description: Displays two text fields separated by "/".</p>
	 * <p>Copyright: Copyright (c) 2002</p>
	 * <p>Company: Peakstone Corporation</p>
	 * @author Kate Lapan Fox
	 * @version 2.0
	 */
	class Editor extends JPanel {
		JTextField trigger=new JTextField(3), reset=new JTextField(3);
		private static final String SEPARATOR = "/";
		private static final String DISPLAYSEPARATOR = " / ";
		private final TabListener tabListener = new TabListener();
 
		/**
		 * Create a new editor
		 */
		public Editor() {
			setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0));
			setBackground(Color.WHITE);
			trigger.setToolTipText("Trigger");
			trigger.addKeyListener(tabListener);
			reset.setToolTipText("Reset");
			add(trigger);
			add(new JLabel(DISPLAYSEPARATOR));
			add(reset);
		}
 
		/**
		 * Get the editor value
		 *
		 * @return value
		 */
		public String getValue() {
			return trigger.getText() + SEPARATOR + reset.getText();
		}
 
		/**
		 * Set the editor value
		 *
		 * @param value
		 */
		public void setValue(String value) {
			String triggerValue = "";
			String resetValue = "";
			if (value != null && value.length() != 0) {
				triggerValue = value.substring(0, value.indexOf(SEPARATOR));
				resetValue = value.substring(value.indexOf(SEPARATOR)+1);
			}
			trigger.setText(triggerValue);
			reset.setText(resetValue);
		}
 
		class TabListener extends KeyAdapter {
 
			/**
			 * Invoked when a key has been pressed.
			 *
			 * @param e
			 */
			public void keyPressed(KeyEvent e) {
				if (e.getKeyChar() == KeyEvent.VK_TAB) {
					System.out.println("tabpressed");
					trigger.grabFocus();
				}
			}
		}
	}
}