/**
* Computes and returns the pixel size of the given component using the given form specification,
* measures, and cell size.
*
* @param component the component to measure
* @param formSpec the specification of the component's column/row
* @param minMeasure the measure for the minimum size
* @param prefMeasure the measure for the preferred size
* @param cellSize the cell size
* @return the component size as measured or a constant
*/
private int componentSize(
Control component,
FormSpec formSpec,
int cellSize,
FormLayout.Measure minMeasure,
FormLayout.Measure prefMeasure) {
if (formSpec == null) {
return prefMeasure.sizeOf(component);
} else if (formSpec.getSize() == Sizes.MINIMUM) {
return minMeasure.sizeOf(component);
} else if (formSpec.getSize() == Sizes.PREFERRED) {
return prefMeasure.sizeOf(component);
} else { // default mode
return Math.min(cellSize, prefMeasure.sizeOf(component));
}
}
/**
* Returns the alignment used for a given form constraints object. The cell alignment overrides
* the column or row default, unless it is <code>DEFAULT</code>. In the latter case, we use the
* column or row alignment.
*
* @param cellAlignment this cell constraint's alignment
* @param formSpec the associated column or row specification
* @return the alignment used
*/
private Alignment usedAlignment(Alignment cellAlignment, FormSpec formSpec) {
if (cellAlignment != CellConstraints.DEFAULT) {
// Cell alignments other than DEFAULT override col/row alignments
return cellAlignment;
}
FormSpec.DefaultAlignment defaultAlignment = formSpec.getDefaultAlignment();
if (defaultAlignment == FormSpec.FILL_ALIGN) return FILL;
if (defaultAlignment == ColumnSpec.LEFT) return LEFT;
else if (defaultAlignment == FormSpec.CENTER_ALIGN) return CENTER;
else if (defaultAlignment == ColumnSpec.RIGHT) return RIGHT;
else if (defaultAlignment == RowSpec.TOP) return TOP;
else return BOTTOM;
}
