Examples with StyleRange org.eclipse.swt.custom.StyleRange used on opensource projects

Example 51 with StyleRange

use of org.eclipse.swt.custom.StyleRange in project tesb-studio-se by Talend.

the class SpringConfigurationStyledText method updateStyledRanges.

private void updateStyledRanges(ExtendedModifyEvent event) {
    StyledText st = (StyledText) event.widget;
    int start = event.start;
    int length = event.length;
    String replacedText = event.replacedText;
    String textRange = st.getTextRange(start, length);
    /*
		 * if no real change
		 * then return
		 */
    if ("".equals(textRange.trim()) && "".equals(replacedText.trim())) {
        return;
    }
    List<StyleRange> styles = new ArrayList<StyleRange>();
    scanner.setRange(st.getText());
    int token = scanner.nextToken();
    while (token != EOF) {
        int startOffset = scanner.getStartOffset();
        int tokenLength = scanner.getLength();
        String tokenText = st.getTextRange(startOffset, tokenLength).trim();
        for (String s : fgKeywords) {
            if (s.equals(tokenText)) {
                token = KEY;
                break;
            }
        }
        Color color = getColor(token);
        StyleRange style = new StyleRange(startOffset, tokenLength, color, null);
        if (token == KEY) {
            style.fontStyle = SWT.BOLD;
        }
        styles.add(style);
        token = scanner.nextToken();
    }
    st.setStyleRanges(styles.toArray(new StyleRange[0]));
}