@Nullable
private static Color getGutterColor(@NotNull Range.InnerRange range, @Nullable Editor editor) {
final EditorColorsScheme scheme = getColorScheme(editor);
switch (range.getType()) {
case Range.INSERTED:
return scheme.getColor(EditorColors.ADDED_LINES_COLOR);
case Range.DELETED:
return scheme.getColor(EditorColors.DELETED_LINES_COLOR);
case Range.MODIFIED:
return scheme.getColor(EditorColors.MODIFIED_LINES_COLOR);
case Range.EQUAL:
return scheme.getColor(EditorColors.WHITESPACES_MODIFIED_LINES_COLOR);
default:
assert false;
return null;
}
}
@Override
public void paint(Editor editor, Graphics g, Rectangle r) {
Color gutterColor = getGutterColor(myRange, editor);
Color borderColor = getGutterBorderColor(editor);
Rectangle area = getMarkerArea(editor, r, myRange.getLine1(), myRange.getLine2());
final int x = area.x;
final int endX = area.x + area.width;
final int y = area.y;
final int endY = area.y + area.height;
if (myRange.getInnerRanges() == null) { // Mode.DEFAULT
if (y != endY) {
paintRect(g, gutterColor, borderColor, x, y, endX, endY);
} else {
paintTriangle(g, gutterColor, borderColor, x, endX, y);
}
} else { // Mode.SMART
if (y == endY) {
paintTriangle(g, gutterColor, borderColor, x, endX, y);
} else {
List<Range.InnerRange> innerRanges = myRange.getInnerRanges();
for (Range.InnerRange innerRange : innerRanges) {
if (innerRange.getType() == Range.DELETED) continue;
int start = lineToY(editor, innerRange.getLine1());
int end = lineToY(editor, innerRange.getLine2());
paintRect(g, getGutterColor(innerRange, editor), null, x, start, endX, end);
}
for (int i = 0; i < innerRanges.size(); i++) {
Range.InnerRange innerRange = innerRanges.get(i);
if (innerRange.getType() != Range.DELETED) continue;
int start;
int end;
if (i == 0) {
start = lineToY(editor, innerRange.getLine1());
end = lineToY(editor, innerRange.getLine2()) + 5;
} else if (i == innerRanges.size() - 1) {
start = lineToY(editor, innerRange.getLine1()) - 5;
end = lineToY(editor, innerRange.getLine2());
} else {
start = lineToY(editor, innerRange.getLine1()) - 3;
end = lineToY(editor, innerRange.getLine2()) + 3;
}
paintRect(g, getGutterColor(innerRange, editor), null, x, start, endX, end);
}
paintRect(g, null, borderColor, x, y, endX, endY);
}
}
}