private void showPopup() {
if (position.equals("auto")) {
int extra = 20;
int left = getPopupPositionWidget().getAbsoluteLeft();
int top =
getPopupPositionWidget().getAbsoluteTop() + getPopupPositionWidget().getOffsetHeight();
int browserWindowWidth = Window.getClientWidth() + Window.getScrollLeft();
int browserWindowHeight = Window.getClientHeight() + Window.getScrollTop();
if (left + popup.getOffsetWidth() > browserWindowWidth - extra) {
left =
getPopupPositionWidget().getAbsoluteLeft()
- (popup.getOffsetWidth() - getPopupPositionWidget().getOffsetWidth());
}
if (top + popup.getOffsetHeight() > browserWindowHeight - extra) {
top = getPopupPositionWidget().getAbsoluteTop() - popup.getOffsetHeight() - 2;
}
left = left + xOffset;
if (left < 0) {
left = 0;
}
popup.setPopupPosition(left, top + yOffset);
popup.setVisible(true);
} else if (position.equals("fixed")) {
int extra = 20;
int left = getPopupPositionWidget().getAbsoluteLeft();
int top =
getPopupPositionWidget().getAbsoluteTop()
+ getPopupPositionWidget().getOffsetHeight()
- Window.getScrollTop();
int browserWindowWidth = Window.getClientWidth() + Window.getScrollLeft();
int clientHeight = Window.getClientHeight();
if (left + popup.getOffsetWidth() > browserWindowWidth - extra) {
left =
getPopupPositionWidget().getAbsoluteLeft()
- (popup.getOffsetWidth() - getPopupPositionWidget().getOffsetWidth());
}
if (top + popup.getOffsetHeight() > clientHeight - extra) {
top =
(getPopupPositionWidget().getAbsoluteTop() - Window.getScrollTop())
- popup.getOffsetHeight()
- 2;
}
left = left + xOffset;
if (left < 0) {
left = 0;
}
popup.setPopupPosition(left, top + yOffset);
popup.addStyleName("fixed");
popup.setShadowStyle("fixed");
popup.setVisible(true);
}
}
