/*
* Copyright (C) 2012 Brendan Robert (BLuRry) brendan.robert@gmail.com.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
package jace.tracker;
import jace.core.Utility;
import java.awt.CardLayout;
import java.awt.Component;
import java.awt.Container;
import java.awt.EventQueue;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import javax.swing.ImageIcon;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.border.EmptyBorder;
import javax.swing.text.JTextComponent;
/**
*
* @author Brendan Robert (BLuRry) brendan.robert@gmail.com
*/
public class EditableLabel extends JPanel implements MouseListener, FocusListener {
public static EditableLabel FOCUS;
public static int DEFAULT_GAP = 4;
Component editComponent;
JLabel labelComponent;
CardLayout layout;
boolean isEditing = false;
int width = 4;
Object ownerObject;
String objectProperty;
private void showBlankValue() {
String s = "...................".substring(0, width);
labelComponent.setText(s);
}
public static enum cards {
label, edit
};
public EditableLabel(JLabel label, Component edit, int width, Object owner, String property) {
this(label, edit, width, DEFAULT_GAP, DEFAULT_GAP, owner, property);
}
public EditableLabel(JLabel label, Component edit, int width, int horizontalPadding, int verticalPadding, Object owner, String property) {
ownerObject = owner;
this.width = width;
objectProperty = property;
addMouseListener(this);
edit.addFocusListener(this);
addFocusListener(this);
layout = new CardLayout(horizontalPadding, verticalPadding);
setLayout(layout);
add(label, cards.label.toString());
add(edit, cards.edit.toString());
labelComponent = label;
editComponent = edit;
deactivateEdit();
setBackground(UserInterface.Theme.background.color);
label.setForeground(UserInterface.Theme.foreground.color);
label.setOpaque(false);
edit.setBackground(UserInterface.Theme.backgroundEdit.color);
edit.setForeground(UserInterface.Theme.foregroundEdit.color);
edit.setFocusTraversalKeysEnabled(false);
edit.addKeyListener(NAV_LISTENER);
label.addKeyListener(NAV_LISTENER);
this.addKeyListener(NAV_LISTENER);
}
@Override
public void mouseClicked(MouseEvent e) {
mousePressed(e);
}
@Override
public void mousePressed(MouseEvent e) {
if (isEditing) {
return;
}
activateEdit();
// This next bit will generate a second mouse event and pass it on to the edit component so that
// the edit cursor appears under the mouse pointer, not a the start of the component.
final MouseEvent e2 = new MouseEvent(editComponent, e.getID(), e.getWhen(), e.getModifiers(), e.getX(), e.getY(), e.getClickCount(), e.isPopupTrigger(), e.getButton());
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
editComponent.dispatchEvent(e2);
}
});
}
@Override
public void mouseReleased(MouseEvent e) {
}
@Override
public void mouseEntered(MouseEvent e) {
}
@Override
public void mouseExited(MouseEvent e) {
}
@Override
public void focusGained(FocusEvent e) {
if (e.getComponent() == this || e.getComponent() == labelComponent || e.getComponent() == editComponent) {
activateEdit();
} else {
deactivateEdit();
}
}
@Override
public void focusLost(FocusEvent e) {
deactivateEdit();
}
private void activateEdit() {
FOCUS = this;
isEditing = true;
layout.show(this, cards.edit.toString());
editComponent.requestFocusInWindow();
}
private void deactivateEdit() {
isEditing = false;
if (editComponent instanceof JTextField) {
String value = ((JTextComponent) editComponent).getText();
if (value != null) {
value = value.trim();
if (value.length() > width) {
value = value.substring(0, width);
}
}
Object result = Utility.setProperty(ownerObject, objectProperty, value, true);
value = (result == null) ? null : (result instanceof Integer ? Integer.toString((Integer) result, 16) : result.toString());
if (value != null && value.length() < width) {
value = value.concat(" ".substring(0, width - value.length()));
}
if (value == null || value.equals("")) {
showBlankValue();
((JTextComponent) editComponent).setText(null);
} else {
labelComponent.setText(value);
((JTextComponent) editComponent).setText(value.trim());
}
} else if (editComponent instanceof JComboBox) {
ImageIcon selection = (ImageIcon) ((JComboBox) editComponent).getSelectedItem();
labelComponent.setText(selection.getDescription());
}
layout.show(this, cards.label.toString());
}
public static EditableLabel generateTextLabel(Object owner, String property, int width, KeyListener listener) {
EditableLabel label = generateTextLabel(owner, property, width);
label.editComponent.addKeyListener(listener);
return label;
}
public static EditableLabel generateTextLabel(Object owner, String property, int width) {
Object value = Utility.getProperty(owner, property);
JLabel label = new JLabel(value != null ? value.toString() : null);
JTextField editor = new JTextField("");
editor.setCaretColor(UserInterface.Theme.foregroundEdit.color);
editor.setBorder(new EmptyBorder(0, 0, 0, 0));
label.setFont(UserInterface.EDITOR_FONT);
editor.setFont(UserInterface.EDITOR_FONT);
EditableLabel output = new EditableLabel(label, editor, width, owner, property);
if (value == null || value.equals("")) {
output.showBlankValue();
}
return output;
}
static KeyListener NAV_LISTENER = new KeyAdapter() {
@Override
public void keyReleased(KeyEvent e) {
switch (e.getKeyCode()) {
case KeyEvent.VK_TAB:
if (e.isShiftDown()) {
moveLeft();
} else {
moveRight();
}
e.consume();
break;
case KeyEvent.VK_UP:
moveUp();
e.consume();
break;
case KeyEvent.VK_DOWN:
moveDown();
e.consume();
break;
default:
break;
}
}
public int getIndex(Component c) {
System.out.println("Looking for " + c.getClass().getName() + " in parent " + c.getParent().getClass().getName());
for (int i = 0; i < c.getParent().getComponentCount(); i++) {
if (c == c.getParent().getComponent(i)) {
return i;
}
}
return -1;
}
public void focus(final Component c) {
Runnable r = new Runnable() {
@Override
public void run() {
if (c instanceof EditableLabel) {
((EditableLabel) c).activateEdit();
} else {
c.requestFocusInWindow();
}
}
};
EventQueue.invokeLater(r);
}
public void moveDown() {
Component c = FOCUS;
int col = getIndex(c);
int row = getIndex(c.getParent()) + 1;
if (row < c.getParent().getParent().getComponentCount()) {
System.out.println("Trying to focus on col " + col + " row " + row);
focus(((Container) c.getParent().getParent().getComponent(row)).getComponent(col));
}
}
public void moveUp() {
Component c = FOCUS;
int col = getIndex(c);
int row = getIndex(c.getParent()) - 1;
if (row >= 0) {
System.out.println("Trying to focus on col " + col + " row " + row);
focus(((Container) c.getParent().getParent().getComponent(row)).getComponent(col));
}
}
public void moveLeft() {
Component c = FOCUS;
int col = getIndex(c) - 1;
System.out.println("Trying to focus on col " + col);
if (col >= 0) {
focus(c.getParent().getComponent(col));
}
}
public void moveRight() {
Component c = FOCUS;
int col = getIndex(c) + 1;
System.out.println("Trying to focus on col " + col);
if (col < c.getParent().getComponentCount()) {
focus(c.getParent().getComponent(col));
}
}
};
}