private void createFeedback() {
dragShell = new Shell(SWT.NO_TRIM | SWT.NO_BACKGROUND);
dragShell.setAlpha(175);
ToolBar dragTB = new ToolBar(dragShell, SWT.RIGHT);
ToolItem newTI = new ToolItem(dragTB, SWT.RADIO);
newTI.setText(dragItem.getText());
newTI.setImage(dragItem.getImage());
dragTB.pack();
dragShell.pack();
dragShell.setVisible(true);
}
private void animation10_Start_Simple() {
if (_isShellFadingIn) {
// show tool tip
final Point size = _shell.getSize();
final Point defaultLocation = getToolTipLocation(size);
final Point shellLocation = fixupDisplayBounds(size, defaultLocation);
_shell.setLocation(shellLocation.x, shellLocation.y);
_shell.setAlpha(0xff);
setShellVisible(true);
} else {
// hide tooltip
setShellVisible(false);
}
}
private void animation20_Runnable() {
// final long start = System.nanoTime();
if (_shell == null || _shell.isDisposed() || _shell.isVisible() == false) {
return;
}
try {
/*
* endAlpha will be the final fadeIn/fadeOut value when the animation stops
*/
int finalFadeAlpha = -1;
int currentAlpha = _shell.getAlpha();
boolean isLoopBreak = false;
_animationMoveCounter++;
while (true) {
int newAlpha = -1;
if (_isShellFadingIn) {
final int shellStartX = _shellStartLocation.x;
final int shellStartY = _shellStartLocation.y;
final int shellEndX = _shellEndLocation.x;
final int shellEndY = _shellEndLocation.y;
final Point shellCurrentLocation = _shell.getLocation();
final boolean isInTarget =
shellCurrentLocation.x == shellEndX && shellCurrentLocation.y == shellEndY;
final int diffAlpha = ALPHA_OPAQUE / _fadeInSteps;
newAlpha = currentAlpha + diffAlpha;
if (newAlpha > ALPHA_OPAQUE) {
newAlpha = ALPHA_OPAQUE;
}
finalFadeAlpha = ALPHA_OPAQUE;
if (isInTarget && currentAlpha == ALPHA_OPAQUE) {
// target is reached and fully visible, stop animation
_isShellFadingIn = false;
return;
} else {
if (isInTarget == false) {
// move to target
final int diffX = shellStartX - shellEndX;
final int diffY = shellStartY - shellEndY;
final double moveX = (double) diffX / MOVE_STEPS * _animationMoveCounter;
final double moveY = (double) diffY / MOVE_STEPS * _animationMoveCounter;
final int shellCurrentX = (int) (shellStartX - moveX);
final int shellCurrentY = (int) (shellStartY - moveY);
_shell.setLocation(shellCurrentX, shellCurrentY);
}
}
} else if (_isShellFadingOut) {
if (_fadeOutDelayCounter++ < FADE_OUT_DELAY_STEPS) {
// delay fade out
_display.timerExec(FADE_TIME_INTERVAL, _animationTimer);
return;
}
final int alphaDiff = ALPHA_OPAQUE / _fadeOutSteps;
newAlpha = currentAlpha - alphaDiff;
finalFadeAlpha = 0;
if (newAlpha <= 0) {
// shell is not visible any more, hide it now
_shell.setAlpha(0);
// hide shell
setShellVisible(false);
_isShellFadingOut = false;
return;
}
}
if (newAlpha == -1) {
return;
} else {
if (newAlpha != currentAlpha) {
_shell.setAlpha(newAlpha);
}
if (_shell.getAlpha() != newAlpha) {
// platform do not support shell alpha, this occured on Ubuntu 12.04
if (isLoopBreak) {
break;
}
// loop only once
isLoopBreak = true;
currentAlpha = finalFadeAlpha;
continue;
} else {
_display.timerExec(FADE_TIME_INTERVAL, _animationTimer);
break;
}
}
}
} catch (final Exception err) {
StatusUtil.log(err);
} finally {
// final float timeDiff = (float) (System.nanoTime() - start) / 1000000;
// System.out.println(UI.timeStampNano() + " animation20_Runnable:\t" + timeDiff + " ms\t" +
// " ms");
// // TODO remove SYSTEM.OUT.PRINTLN
}
}
private void animation10_StartKomplex() {
// final long start = System.nanoTime();
if (_isShellFadingIn) {
// set fading in location
final Point shellSize = _shell.getSize();
Point shellEndLocation = getToolTipLocation(shellSize);
shellEndLocation = fixupDisplayBounds(shellSize, shellEndLocation);
final boolean isShellVisible = _shell.isVisible();
if (shellEndLocation.x == _shellEndLocation.x
&& shellEndLocation.y == _shellEndLocation.y
&& isShellVisible) {
// shell is already fading in with the correct location
return;
}
// set new end location
_shellEndLocation = shellEndLocation;
if (isShellVisible) {
// shell is already visible, move from the current position to the target position
_shellStartLocation = _shell.getLocation();
} else {
// shell is not visible, set position directly without moving animation, do only fading
// animation
_shellStartLocation = _shellEndLocation;
_shell.setLocation(_shellStartLocation.x, _shellStartLocation.y);
_shell.setAlpha(0);
setShellVisible(true);
}
} else if (_isShellFadingOut) {
// fading out has no movement
_fadeOutDelayCounter = 0;
}
// start animation now
_animationMoveCounter = 0;
animation20_Runnable();
// System.out.println(UI.timeStampNano()
// + " animation10_StartKomplex\t"
// + ((float) (System.nanoTime() - start) / 1000000)
// + " ms");
// // TODO remove SYSTEM.OUT.PRINTLN
}
