@Nullable
public RangeHighlighter addMarker(ChangeSide changeSide, ChangeHighlighterHolder markup) {
String text = changeSide.getText();
if (text != null && text.length() > 0) {
return addBlock(text, changeSide, markup, myDiffType);
} else {
return addLine(markup, changeSide.getStartLine(), myDiffType, SeparatorPlacement.TOP);
}
}
@Nullable
private RangeHighlighter addBlock(
String text,
ChangeSide changeSide,
final ChangeHighlighterHolder markup,
TextDiffType diffType) {
EditorColorsScheme colorScheme = markup.getEditor().getColorsScheme();
Color separatorColor = getSeparatorColor(diffType.getLegendColor(colorScheme));
int length = text.length();
int start = changeSide.getStart();
int end = start + length;
RangeHighlighter highlighter =
markup.addRangeHighlighter(
start, end, LAYER, diffType, HighlighterTargetArea.EXACT_RANGE, myApplied);
LineSeparatorRenderer lineSeparatorRenderer =
new LineSeparatorRenderer() {
@Override
public void drawLine(Graphics g, int x1, int x2, int y) {
Graphics2D g2 = (Graphics2D) g;
Color color = myDiffType.getPolygonColor(markup.getEditor());
if (color != null) {
if (myApplied) {
UIUtil.drawBoldDottedLine(g2, x1, x2, y, null, color, false);
} else {
UIUtil.drawLine(g2, x1, y, x2, y, null, DiffUtil.getFramingColor(color));
}
}
}
};
if (highlighter != null) {
highlighter.setLineSeparatorPlacement(SeparatorPlacement.TOP);
highlighter.setLineSeparatorColor(separatorColor);
highlighter.setLineSeparatorRenderer(lineSeparatorRenderer);
}
if (text.charAt(length - 1) == '\n') {
end--;
}
highlighter =
markup.addRangeHighlighter(
start, end, LAYER, TextDiffType.NONE, HighlighterTargetArea.EXACT_RANGE, myApplied);
if (highlighter != null) {
highlighter.setLineSeparatorPlacement(SeparatorPlacement.BOTTOM);
highlighter.setLineSeparatorColor(separatorColor);
highlighter.setLineSeparatorRenderer(lineSeparatorRenderer);
}
return highlighter;
}