Example usage for com.intellij.openapi.ui.popup JBPopupFactory isBestPopupLocationVisible

Introduction

In this page you can find the example usage for com.intellij.openapi.ui.popup JBPopupFactory isBestPopupLocationVisible.

Prototype

public abstract boolean isBestPopupLocationVisible(@NotNull Editor editor);

Source Link

Usage

From source file:com.intellij.refactoring.rename.inplace.InplaceRefactoring.java

License:Apache License

protected void showBalloon() {
    final JComponent component = getComponent();
    if (component == null)
        return;/*from w  w  w. j av a2 s . c  o  m*/
    if (ApplicationManager.getApplication().isHeadlessEnvironment())
        return;
    final BalloonBuilder balloonBuilder = JBPopupFactory.getInstance()
            .createDialogBalloonBuilder(component, null).setSmallVariant(true);
    myBalloon = balloonBuilder.createBalloon();
    final Editor topLevelEditor = InjectedLanguageUtil.getTopLevelEditor(myEditor);
    Disposer.register(myProject, myBalloon);
    Disposer.register(myBalloon, new Disposable() {
        @Override
        public void dispose() {
            releaseIfNotRestart();
            topLevelEditor.putUserData(PopupFactoryImpl.ANCHOR_POPUP_POSITION, null);
        }
    });
    topLevelEditor.getScrollingModel().scrollToCaret(ScrollType.MAKE_VISIBLE);
    final JBPopupFactory popupFactory = JBPopupFactory.getInstance();
    myBalloon.show(new PositionTracker<Balloon>(topLevelEditor.getContentComponent()) {
        @Override
        public RelativePoint recalculateLocation(Balloon object) {
            if (myTarget != null && !popupFactory.isBestPopupLocationVisible(topLevelEditor)) {
                return myTarget;
            }
            if (myCaretRangeMarker != null && myCaretRangeMarker.isValid()) {
                topLevelEditor.putUserData(PopupFactoryImpl.ANCHOR_POPUP_POSITION,
                        topLevelEditor.offsetToVisualPosition(myCaretRangeMarker.getStartOffset()));
            }
            final RelativePoint target = popupFactory.guessBestPopupLocation(topLevelEditor);
            final Point screenPoint = target.getScreenPoint();
            int y = screenPoint.y;
            if (target.getPoint().getY() > topLevelEditor.getLineHeight()
                    + myBalloon.getPreferredSize().getHeight()) {
                y -= topLevelEditor.getLineHeight();
            }
            myTarget = new RelativePoint(new Point(screenPoint.x, y));
            return myTarget;
        }
    }, Balloon.Position.above);
}

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