| package org.eclipse.nebula.widgets.nattable.core.layer.axis |
| |
| import java.math.BigDecimal |
| |
| import static extension org.eclipse.nebula.widgets.nattable.core.math.BigDecimalExtensions.* |
| |
| /** |
| * A set of useful utility functions that calculate invariants that must hold for any Axis. |
| */ |
| class AxisInvariants { |
| |
| def static getPixelSize(Axis axis) { |
| axis.getStartPixelOfSegmentPosition(axis.segmentCount) - axis.getStartPixelOfSegmentPosition(0) |
| } |
| |
| def static getPixelSizeOfSegmentPosition(Axis axis, long segmentPosition) { |
| axis.getStartPixelOfSegmentPosition(segmentPosition + 1) - axis.getStartPixelOfSegmentPosition(segmentPosition) |
| } |
| |
| def static boolean containsPixelLocation(Axis axis, BigDecimal pixelLocation) { |
| pixelLocation >= BigDecimal::ZERO && pixelLocation < axis.getStartPixelOfSegmentPosition(axis.segmentCount) |
| } |
| |
| def static boolean containsSegmentPosition(Axis axis, long segmentPosition) { |
| segmentPosition >= 0 && segmentPosition < axis.segmentCount |
| } |
| |
| } |
