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Add null check

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This commit is contained in:
Manfred Karrer 2016-06-15 22:04:28 +02:00
parent c7e46f8b23
commit ea525ba901
1 changed files with 32 additions and 30 deletions
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62
gui/src/main/java/io/bitsquare/gui/main/overlays/Overlay.java
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@ -374,43 +374,45 @@ public abstract class Overlay<T extends Overlay> {
if (owner == null)
owner = MainView.getRootContainer();
Scene rootScene = owner.getScene();
if (rootScene != null) {
Scene scene = new Scene(gridPane);
scene.getStylesheets().setAll(rootScene.getStylesheets());
scene.setFill(Color.TRANSPARENT);
if (owner != null) {
Scene rootScene = owner.getScene();
if (rootScene != null) {
Scene scene = new Scene(gridPane);
scene.getStylesheets().setAll(rootScene.getStylesheets());
scene.setFill(Color.TRANSPARENT);
setupKeyHandler(scene);
setupKeyHandler(scene);
stage = new Stage();
stage.setScene(scene);
Window window = rootScene.getWindow();
setModality();
stage.initStyle(StageStyle.TRANSPARENT);
stage.show();
stage = new Stage();
stage.setScene(scene);
Window window = rootScene.getWindow();
setModality();
stage.initStyle(StageStyle.TRANSPARENT);
stage.show();
layout();
layout();
addEffectToBackground();
addEffectToBackground();
// On Linux the owner stage does not move the child stage as it does on Mac
// So we need to apply centerPopup. Further with fast movements the handler loses
// the latest position, with a delay it fixes that.
// Also on Mac sometimes the popups are positioned outside of the main app, so keep it for all OS
positionListener = (observable, oldValue, newValue) -> {
if (stage != null) {
layout();
if (centerTime != null)
centerTime.stop();
// On Linux the owner stage does not move the child stage as it does on Mac
// So we need to apply centerPopup. Further with fast movements the handler loses
// the latest position, with a delay it fixes that.
// Also on Mac sometimes the popups are positioned outside of the main app, so keep it for all OS
positionListener = (observable, oldValue, newValue) -> {
if (stage != null) {
layout();
if (centerTime != null)
centerTime.stop();
centerTime = UserThread.runAfter(this::layout, 3);
}
};
window.xProperty().addListener(positionListener);
window.yProperty().addListener(positionListener);
window.widthProperty().addListener(positionListener);
centerTime = UserThread.runAfter(this::layout, 3);
}
};
window.xProperty().addListener(positionListener);
window.yProperty().addListener(positionListener);
window.widthProperty().addListener(positionListener);
animateDisplay();
animateDisplay();
}
}
}