/*
* @(#)ButtonComp.java 1.13 02/08/21
*
* Copyright (c) 1996-2002 Sun Microsystems, Inc. All rights reserved.
*/
package com.sun.media.ui;
import java.awt.*;
import java.awt.event.*;
public class ButtonComp extends BasicComp implements MouseListener {
Image imageNormal[];
Image imageActive[];
Image imageDown[];
Image imageDisabled[];
static final int NORMAL = 1;
static final int ACTIVE = 2;
static final int DOWN = 4;
static final int DISABLED = 8;
int width, height;
boolean state = false;
boolean mouseIn = false;
boolean mouseDown = false;
boolean mouseUp = false;
boolean mouseClick = false;
int visualState = NORMAL;
private PopupMenu menuPopup = null;
private ContPressThread threadContPress = null;
private boolean boolContPress = false;
private boolean boolPopup = false;
private boolean boolDoAction = false;
private static final int POPUP_DELAY = 1000;
public ButtonComp(String label,
String imgNormal0,
String imgActive0,
String imgDown0,
String imgDisabled0,
String imgNormal1,
String imgActive1,
String imgDown1,
String imgDisabled1) {
super(label);
// Two images each
imageNormal = new Image[2];
imageActive = new Image[2];
imageDown = new Image[2];
imageDisabled = new Image[2];
// Load the images
imageNormal[0] = fetchImage(imgNormal0);
imageNormal[1] = fetchImage(imgNormal1);
imageActive[0] = fetchImage(imgActive0);
imageActive[1] = fetchImage(imgActive1);
imageDown[0] = fetchImage(imgDown0);
imageDown[1] = fetchImage(imgDown1);
imageDisabled[0] = fetchImage(imgDisabled0);
imageDisabled[1] = fetchImage(imgDisabled1);
width = imageNormal[0].getWidth( this );
height = imageNormal[0].getHeight( this );
visualState = NORMAL;
setSize(width, height);
setVisible(true);
addMouseListener(this);
}
public void mouseActivity() {
if (isEnabled()) {
if (mouseIn) {
if (mouseDown) {
visualState = DOWN;
if (mouseUp) {
action();
visualState = ACTIVE;
}
}
else {
visualState = ACTIVE;
}
}
else {
visualState = NORMAL;
}
}
else {
visualState = DISABLED;
}
repaint();
}
public void action() {
if ( boolDoAction == false )
return;
state = !state;
informListener();
}
public void paint(Graphics g) {
int index = state? 1:0;
Image image = null;
switch (visualState) {
case NORMAL:
image = imageNormal[index];
break;
case ACTIVE:
image = imageActive[index];
break;
case DOWN:
image = imageDown[index];
break;
case DISABLED:
image = imageDisabled[index];
break;
}
if (image != null)
g.drawImage(image, 0, 0, this);
}
public void setEnabled(boolean value) {
super.setEnabled(value);
if (value == false) {
visualState = DISABLED;
//setCursor( new Cursor(Cursor.DEFAULT_CURSOR) );
}
else {
if (mouseIn) {
if (mouseDown)
visualState = DOWN;
else
visualState = ACTIVE;
}
else {
visualState = NORMAL;
//setCursor(new Cursor(Cursor.HAND_CURSOR));
}
}
repaint();
}
public boolean getValue() {
return state;
}
public void setValue(boolean newState) {
if (state != newState) {
state = newState;
repaint();
}
}
public void setPopupMenu ( PopupMenu menuPopup ) {
if (menuPopup != null) {
setMousePopup ( true );
this.menuPopup = menuPopup;
this.add ( menuPopup );
} else if (this.menuPopup != null) {
setMousePopup(false);
remove(this.menuPopup);
this.menuPopup = null;
}
}
public void setMousePopup ( boolean boolPopup ) {
this.boolPopup = boolPopup;
}
public void setContMousePress ( boolean boolSet ) {
boolContPress = boolSet;
}
public void mouseEntered(MouseEvent e) {
mouseIn = true;
mouseActivity();
}
public void mouseExited(MouseEvent e) {
mouseIn = false;
mouseActivity();
if ( threadContPress != null ) {
threadContPress.stopNormaly ();
threadContPress = null;
}
}
public void mousePressed(MouseEvent e) {
int modifier = e.getModifiers();
if ((modifier & InputEvent.BUTTON2_MASK) == 0
&& (modifier & InputEvent.BUTTON3_MASK) == 0 ) {
mouseDown = true;
mouseUp = false;
mouseActivity();
if ( boolContPress == true || boolPopup == true ) {
if ( threadContPress != null )
threadContPress.stopNormaly ();
threadContPress = new ContPressThread ( this );
if ( boolPopup == true )
threadContPress.setDelayedPress ( POPUP_DELAY );
threadContPress.start ();
}
boolDoAction = true;
}
}
public void mouseReleased(MouseEvent e) {
int modifier = e.getModifiers();
if ((modifier & InputEvent.BUTTON2_MASK) == 0
&& (modifier & InputEvent.BUTTON3_MASK) == 0 ) {
mouseUp = true;
mouseActivity();
mouseUp = false;
mouseDown = false;
if ( threadContPress != null ) {
threadContPress.stopNormaly ();
threadContPress = null;
}
}
}
public void mouseClicked(MouseEvent e) {
int modifier = e.getModifiers();
if ((modifier & InputEvent.BUTTON2_MASK) == 0
&& (modifier & InputEvent.BUTTON3_MASK) == 0 ) {
mouseClick = true;
mouseActivity();
mouseClick = false;
}
}
public Dimension getPreferredSize() {
return new Dimension(width, height);
}
protected void processMouseEvent ( MouseEvent event ) {
super.processMouseEvent ( event );
if ( event.isPopupTrigger() ) {
processMousePopup ();
}
}
protected void processMousePopup () {
// Dimension dim;
if ( menuPopup != null ) {
// dim = this.getSize ();
menuPopup.show ( this, 0, height );
}
}
protected void processContPress () {
if ( boolContPress == true )
informListener ();
else if ( boolPopup == true && mouseIn && mouseDown ) {
boolDoAction = false;
processMousePopup ();
}
}
class ContPressThread extends Thread {
protected ButtonComp button = null;
protected boolean boolContinueRun = true;
protected boolean boolIgnoreFirst = true;
protected boolean boolDelayedPress = false;
protected long lMills = 500;
public ContPressThread ( ButtonComp button ) {
this.button = button;
}
public void setDelayedPress ( long lMills ) {
boolDelayedPress = true;
this.lMills = lMills;
}
public void stopNormaly () {
boolContinueRun = false;
}
public void run () {
// boolContinueRun = true;
if ( boolDelayedPress == true )
boolIgnoreFirst = false;
else
boolIgnoreFirst = true;
while ( boolContinueRun ) {
try {
sleep ( lMills );
}
catch ( Exception exception ) {
}
if ( button != null && boolIgnoreFirst == false )
button.processContPress ();
boolIgnoreFirst = false;
if ( boolDelayedPress == true )
boolContinueRun = false;
}
boolDelayedPress = false;
lMills = 250;
}
}
}