/**
* Searches the foreground color to be used for gradient sweeping. First checks the {@link
* org.eclipse.nebula.widgets.nattable.config.ConfigRegistry} if there is a value for the
* attribute {@link CellStyleAttributes#GRADIENT_FOREGROUND_COLOR} is registered. If there is one
* this value will be returned, if not it is checked if there is a value registered for {@link
* CellStyleAttributes#FOREGROUND_COLOR} and returned. If there is no value registered for any of
* these attributes, <code>null</code> will be returned which will skip the painting.
*
* @param cell The {@link org.eclipse.nebula.widgets.nattable.layer.cell.LayerCell} for which the
* style attributes should be retrieved out of the {@link
* org.eclipse.nebula.widgets.nattable.config.ConfigRegistry}
* @param configRegistry The {@link org.eclipse.nebula.widgets.nattable.config.ConfigRegistry} to
* retrieve the attribute values from.
* @return The {@link Color} to use as foreground color of the gradient sweeping or <code>null
* </code> if none was configured.
*/
protected Color getForeGroundColour(ILayerCell cell, IConfigRegistry configRegistry) {
Color fgColor =
CellStyleUtil.getCellStyle(cell, configRegistry)
.getAttributeValue(CellStyleAttributes.GRADIENT_FOREGROUND_COLOR);
return fgColor != null
? fgColor
: CellStyleUtil.getCellStyle(cell, configRegistry)
.getAttributeValue(CellStyleAttributes.FOREGROUND_COLOR);
}
/**
* Searches the background color to be used for gradient sweeping. First checks the {@link
* org.eclipse.nebula.widgets.nattable.config.ConfigRegistry} if there is a value for the
* attribute {@link CellStyleAttributes#GRADIENT_BACKGROUND_COLOR} is registered. If there is one
* this value will be returned, if not it is checked if there is a value registered for {@link
* CellStyleAttributes#BACKGROUND_COLOR} and returned. If there is no value registered for any of
* these attributes, <code>null</code> will be returned which will skip the painting.
*
* @param cell The {@link org.eclipse.nebula.widgets.nattable.layer.cell.LayerCell} for which the
* style attributes should be retrieved out of the {@link
* org.eclipse.nebula.widgets.nattable.config.ConfigRegistry}
* @param configRegistry The {@link org.eclipse.nebula.widgets.nattable.config.ConfigRegistry} to
* retrieve the attribute values from.
* @return The {@link Color} to use as background color of the gradient sweeping or <code>null
* </code> if none was configured.
*/
protected Color getBackgroundColour(ILayerCell cell, IConfigRegistry configRegistry) {
Color bgColor =
CellStyleUtil.getCellStyle(cell, configRegistry)
.getAttributeValue(CellStyleAttributes.GRADIENT_BACKGROUND_COLOR);
return bgColor != null
? bgColor
: CellStyleUtil.getCellStyle(cell, configRegistry)
.getAttributeValue(CellStyleAttributes.BACKGROUND_COLOR);
}
@Override
public ICellPainter getCellPainterAt(
final int x,
final int y,
final ILayerCell cell,
final GC gc,
final Rectangle adjustedCellBounds,
final IConfigRegistry configRegistry) {
final int klickOffset = getKlickOffset(cell);
// need to take the alignment into account
final IStyle cellStyle = CellStyleUtil.getCellStyle(cell, configRegistry);
final HorizontalAlignmentEnum horizontalAlignment =
cellStyle.getAttributeValue(CellStyleAttributes.HORIZONTAL_ALIGNMENT);
int horizontalAlignmentPadding = 0;
switch (horizontalAlignment) {
case LEFT:
horizontalAlignmentPadding = klickOffset;
break;
case CENTER:
horizontalAlignmentPadding = klickOffset;
break;
case RIGHT:
break;
default:
break;
}
final VerticalAlignmentEnum verticalAlignment =
cellStyle.getAttributeValue(CellStyleAttributes.VERTICAL_ALIGNMENT);
int verticalAlignmentPadding = 0;
switch (verticalAlignment) {
case TOP:
verticalAlignmentPadding = klickOffset;
break;
case MIDDLE:
verticalAlignmentPadding = klickOffset;
break;
case BOTTOM:
break;
default:
break;
}
return super.getCellPainterAt(
x - horizontalAlignmentPadding,
y - verticalAlignmentPadding,
cell,
gc,
adjustedCellBounds,
configRegistry);
}