Example usage for com.vaadin.shared.ui AlignmentInfo isVerticalCenter

Introduction

In this page you can find the example usage for com.vaadin.shared.ui AlignmentInfo isVerticalCenter.

Prototype

public boolean isVerticalCenter() 

Source Link

Usage

From source file:com.haulmont.cuba.web.toolkit.ui.client.fieldgrouplayout.CubaFieldGroupLayoutComponentSlot.java

License:Apache License

@Override
public void positionVertically(double currentLocation, double allocatedSpace, double marginBottom) {
    if (!isCaptionInline()) {
        super.positionVertically(currentLocation, allocatedSpace, marginBottom);
        return;//from   w  w  w.  j  a v  a  2 s.c o  m
    }

    // CAUTION copied from VLayoutSlot.positionVertically(~)
    Style style = wrapper.getStyle();

    double contentHeight = allocatedSpace;

    int captionHeight;
    VCaption caption = getCaption();
    if (caption == null || caption.shouldBePlacedAfterComponent() || isCaptionInline()) {
        style.clearPaddingTop();
        captionHeight = 0;
    } else {
        captionHeight = getCaptionHeight();
        contentHeight -= captionHeight;
        if (contentHeight < 0) {
            contentHeight = 0;
        }
        style.setPaddingTop(captionHeight, Style.Unit.PX);
    }

    if (marginBottom > 0) {
        style.setMarginBottom(marginBottom, Style.Unit.PX);
    } else {
        style.clearMarginBottom();
    }

    if (isRelativeHeight()) {
        style.setHeight(contentHeight, Style.Unit.PX);
    } else {
        style.clearHeight();
    }

    double allocatedContentHeight = 0;
    if (isRelativeHeight()) {
        String height = getWidget().getElement().getStyle().getHeight();
        double percentage = parsePercent(height);
        allocatedContentHeight = contentHeight * (percentage / 100);
        reportActualRelativeHeight(Math.round((float) allocatedContentHeight));
    }

    AlignmentInfo alignment = getAlignment();
    if (!alignment.isTop()) {
        double usedHeight;
        if (isRelativeHeight()) {
            if (isCaptionInline()) {
                usedHeight = allocatedContentHeight;
            } else {
                usedHeight = captionHeight + allocatedContentHeight;
            }
        } else {
            usedHeight = getUsedHeight();
        }
        if (alignment.isVerticalCenter()) {
            currentLocation += (allocatedSpace - usedHeight) / 2d;
        } else {
            currentLocation += (allocatedSpace - usedHeight);
        }
    }

    style.setTop(currentLocation, Style.Unit.PX);
}

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