Method setCellStyle

src/main/java/matcher/gui/MatchPaneSrc.java:255–314

(Cell<?> cell, Matchable<?> item)

	}

	private void setCellStyle(Cell<?> cell, Matchable<?> item) {
		CellStyleClass styleClass = null;

		if (!gui.isUseDiffColors()) {
			if (!item.hasPotentialMatch()) {
				styleClass = CellStyleClass.NO_MATCH;
			} else if (item.getMatch() == null) {
				styleClass = CellStyleClass.LOW_MATCH_SIMILARITY;
			} else if (!item.isFullyMatched(false)) { // TODO: change recursive to true once arg+var matching is further implemented
				styleClass = CellStyleClass.MODERATE_MATCH_SIMILARITY;
			} else {
				styleClass = CellStyleClass.HIGH_MATCH_SIMILARITY;
			}
		} else {
			final float epsilon = 1e-5f; // float rounding error
			float similarity = item.getSimilarity();

			if (similarity < epsilon) {
				styleClass = CellStyleClass.LOW_MATCH_SIMILARITY;
			} else if (similarity > 1 - epsilon) {
				styleClass = CellStyleClass.HIGH_MATCH_SIMILARITY;
			} else {
				cell.setTextFill(null);
				if (lowSimilarityCellTextColor == null || highSimilarityCellTextColor == null) return;

				similarity = Math.round((similarity / diffColorStepAlignment)) * diffColorStepAlignment;
				int similarityAsInt = (int) (similarity * 100);
				Color textColor;

				switch (Config.getTheme().getDiffColorInterpolationMode()) {
				case RGB:
					textColor = similarityToColorRgb.get(similarityAsInt);

					if (textColor == null) {
						textColor = interpolateRgb(lowSimilarityCellTextColor, highSimilarityCellTextColor, similarity);
						similarityToColorRgb.put(similarityAsInt, textColor);
					}

					break;
				case HSB:
					textColor = similarityToColorHsb.get(similarityAsInt);

					if (textColor == null) {
						textColor = interpolateHsb(lowSimilarityCellTextColor, highSimilarityCellTextColor, similarity);
						similarityToColorHsb.put(similarityAsInt, textColor);
					}

					break;
				default:
					throw new UnsupportedOperationException("Unsupported color interpolation mode!");
				}

				assert textColor != null;
				cell.setTextFill(textColor);
			}
		}

		cell.getStyleClass().removeAll(CellStyleClass.cssNames);