Java Code Examples for com.intellij.util.ui.UIUtil#splitText()

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Example 1
Source File: ParameterInfoComponent.java    From consulo with Apache License 2.0 4 votes vote down vote up 
private String setup(String text,
                     Function<? super String, String> escapeFunction,
                     int highlightStartOffset,
                     int highlightEndOffset,
                     boolean isDisabled,
                     boolean strikeout,
                     boolean isDisabledBeforeHighlight,
                     Color background) {
  StringBuilder buf = new StringBuilder(text.length());
  setBackground(background);

  String[] lines = UIUtil.splitText(text, getFontMetrics(BOLD_FONT),
                                    // disable splitting by width, to avoid depending on platform's font in tests
                                    ApplicationManager.getApplication().isUnitTestMode() ? Integer.MAX_VALUE : myWidthLimit, ',');

  int lineOffset = 0;

  boolean hasHighlighting = highlightStartOffset >= 0 && highlightEndOffset > highlightStartOffset;
  TextRange highlightingRange = hasHighlighting ? new TextRange(highlightStartOffset, highlightEndOffset) : null;

  for (int i = 0; i < lines.length; i++) {
    String line = lines[i];
    OneLineComponent component = getOneLineComponent(i);

    TextRange lRange = new TextRange(lineOffset, lineOffset + line.length());
    TextRange hr = highlightingRange == null ? null : lRange.intersection(highlightingRange);
    hr = hr == null ? null : hr.shiftRight(-lineOffset);

    String before = escapeString(hr == null ? line : line.substring(0, hr.getStartOffset()), escapeFunction);
    String in = hr == null ? "" : escapeString(hr.substring(line), escapeFunction);
    String after = hr == null ? "" : escapeString(line.substring(hr.getEndOffset()), escapeFunction);

    TextRange escapedHighlightingRange = in.isEmpty() ? null : TextRange.create(before.length(), before.length() + in.length());
    buf.append(component.setup(before + in + after, isDisabled, strikeout, background, escapedHighlightingRange,
                               isDisabledBeforeHighlight && (highlightStartOffset < 0 || highlightEndOffset > lineOffset)));

    lineOffset += line.length();
  }
  trimComponents(lines.length);
  return buf.toString();
}