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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.admin.certsrv;
import com.netscape.certsrv.common.*;
import java.awt.Component;
import java.awt.event.*;
import java.awt.AWTEvent;
import java.lang.Boolean;
import javax.swing.table.*;
import javax.swing.event.*;
import java.util.EventObject;
import javax.swing.*;
import javax.swing.tree.*;
import com.netscape.management.client.util.*;
/**
* Default Table Cell Editor. Since we need to display different
* editor depending on serverside input. We will use this editor
* that takes specific data object.
*
* @author Jack Pan-Chen
* @version $Revision$, $Date$
* @see com.netscape.admin.certsrv
*/
public class DefaultTableCellEditor
implements TableCellEditor, ActionListener
{
/*==========================================================
* variables
*==========================================================*/
/** Event listeners */
protected EventListenerList listenerList = new EventListenerList();
transient protected ChangeEvent changeEvent = null;
protected CellEditorData mValue;
protected JTextField mTextField = new JTextField();
protected JPasswordField mPasswordField = new JPasswordField();
protected JTextField mEditorComponent;
protected int clickCountToStart = 2;
/*==========================================================
* constructors
*==========================================================*/
public DefaultTableCellEditor() {
mTextField = new JTextField();
mTextField.addActionListener(this);
mPasswordField = new JPasswordField();
mPasswordField.addActionListener(this);
mValue = new CellEditorData();
}
/*==========================================================
* public methods
*==========================================================*/
public Component getComponent() {
return mEditorComponent;
}
/**
* clickCountToStart controls the number of clicks required to start
* editing if the event passed to isCellEditable() or startCellEditing() is
* a MouseEvent. For example, by default the clickCountToStart for
* a JTextField is set to 2, so in a JTable the user will need to
* double click to begin editing a cell.
*/
public void setClickCountToStart(int count) {
clickCountToStart = count;
}
/**
* clickCountToStart controls the number of clicks required to start
* editing if the event passed to isCellEditable() or startCellEditing() is
* a MouseEvent. For example, by default the clickCountToStart for
* a JTextField is set to 2, so in a JTable the user will need to
* double click to begin editing a cell.
*/
public int getClickCountToStart() {
return clickCountToStart;
}
//Interface javax.swing.CellEditor
public Object getCellEditorValue() {
mValue.mData = mEditorComponent.getText();
return mValue;
}
public boolean isCellEditable(EventObject anEvent) {
if (anEvent instanceof MouseEvent) {
if (((MouseEvent)anEvent).getClickCount() < clickCountToStart)
return false;
}
return true;
}
public boolean shouldSelectCell(EventObject anEvent) {
boolean retValue = true;
if (this.isCellEditable(anEvent)) {
if (anEvent == null || ((MouseEvent)anEvent).getClickCount() >=
clickCountToStart)
retValue = startCellEditing(anEvent);
}
// By default we want the cell the be selected so
// we return true
return retValue;
}
public boolean startCellEditing(EventObject anEvent) {
if(anEvent == null)
mEditorComponent.requestFocus();
return true;
}
public boolean stopCellEditing() {
fireEditingStopped();
return true;
}
public void cancelCellEditing() {
fireEditingCanceled();
}
// Handle the event listener bookkeeping
public void addCellEditorListener(CellEditorListener l) {
listenerList.add(CellEditorListener.class, l);
}
public void removeCellEditorListener(CellEditorListener l) {
listenerList.remove(CellEditorListener.class, l);
}
// Implementing ActionListener interface
public void actionPerformed(ActionEvent e) {
fireEditingStopped();
}
public Component getTableCellEditorComponent(JTable table,
Object value,
boolean isSelected,
int row, int column) {
Debug.println("DefaultTableCellEditor: getTableCellEditorComponent() -");
if(value != null) {
Debug.println(" data: "+(String)((CellEditorData)value).mData);
Debug.println(" type: "+((CellEditorData)value).mType);
}
Debug.println(" isSelected: "+isSelected);
Debug.println(" row:"+row +" col:"+column);
mEditorComponent = mTextField;
if(value != null) {
mValue = (CellEditorData)value;
if (mValue.mType.equals(Constants.TYPE_PASSWORD))
mEditorComponent = mPasswordField;
mEditorComponent.setText((String)mValue.mData);
} else {
mEditorComponent.setText("");
}
return mEditorComponent;
}
/*==========================================================
* protected methods
*==========================================================*/
/*
* Notify all listeners that have registered interest for
* notification on this event type. The event instance
* is lazily created using the parameters passed into
* the fire method.
* @see EventListenerList
*/
protected void fireEditingStopped() {
// Guaranteed to return a non-null array
Object[] listeners = listenerList.getListenerList();
// Process the listeners last to first, notifying
// those that are interested in this event
for (int i = listeners.length-2; i>=0; i-=2) {
if (listeners[i]==CellEditorListener.class) {
// Lazily create the event:
if (changeEvent == null)
changeEvent = new ChangeEvent(this);
((CellEditorListener)listeners[i+1]).editingStopped(changeEvent);
}
}
}
/*
* Notify all listeners that have registered interest for
* notification on this event type. The event instance
* is lazily created using the parameters passed into
* the fire method.
* @see EventListenerList
*/
protected void fireEditingCanceled() {
// Guaranteed to return a non-null array
Object[] listeners = listenerList.getListenerList();
// Process the listeners last to first, notifying
// those that are interested in this event
for (int i = listeners.length-2; i>=0; i-=2) {
if (listeners[i]==CellEditorListener.class) {
// Lazily create the event:
if (changeEvent == null)
changeEvent = new ChangeEvent(this);
((CellEditorListener)listeners[i+1]).editingCanceled(changeEvent);
}
}
}
/*==========================================================
* private methods
*==========================================================*/
}
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