Example usage for com.vaadin.client WidgetUtil getRequiredHeight

Introduction

In this page you can find the example usage for com.vaadin.client WidgetUtil getRequiredHeight.

Prototype

public static int getRequiredHeight(Widget widget) 

Source Link

Usage

From source file:org.vaadin.overlay.widgetset.client.CustomOverlayWidget.java

License:Apache License

protected void updateOverlayPosition() {
    if (refCompEl != null) {
        // Calculate the position based on reference component size and the
        // align point.
        refY = refCompEl.getAbsoluteTop();
        refX = refCompEl.getAbsoluteLeft();

        if (align.isBottom()) {
            refY += refCompEl.getOffsetHeight();
        } else if (align.isVerticalCenter()) {
            refY += refCompEl.getOffsetHeight() / 2;
        }//from   ww  w. ja v  a 2  s.  c o m
        if (align.isRight()) {
            refX += refCompEl.getOffsetWidth();
        } else if (align.isHorizontalCenter()) {
            refX += refCompEl.getOffsetWidth() / 2;
        }
        // Show popup
        overlay.setPopupPositionAndShow(new PopupPanel.PositionCallback() {

            public void setPosition(int offsetWidth, int offsetHeight) {
                // Calculate the position based on over component size and
                // the alignment point.
                Widget wgt = getOverlayWidget();
                int w = WidgetUtil.getRequiredWidth(wgt);
                int h = WidgetUtil.getRequiredHeight(wgt);

                log.info("POSITION: w=" + w + "h=" + h);

                int top = refY + y;
                int left = refX + x;
                if (overlayAlign.isBottom()) {
                    top -= h;
                } else if (overlayAlign.isVerticalCenter()) {
                    top -= h / 2;
                }

                if (overlayAlign.isRight()) {
                    left -= w;
                } else if (overlayAlign.isHorizontalCenter()) {
                    left -= w / 2;
                }
                log.info("top=" + top + "left=" + left);

                overlay.setPopupPosition(left, top);
            }
        });
    }
}

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