Java StyleConstants.setTabSet示例

示例#1

  private void setTabSize(int charactersPerTab) {
    FontMetrics fm = this.getFontMetrics(this.getFont());
    int charWidth = fm.charWidth('w');
    int tabWidth = charWidth * charactersPerTab;

    TabStop[] tabs = new TabStop[10];

    for (int j = 0; j < tabs.length; j++) {
      int tab = j + 1;
      tabs[j] = new TabStop(tab * tabWidth);
    }

    TabSet tabSet = new TabSet(tabs);
    SimpleAttributeSet attributes = new SimpleAttributeSet();
    StyleConstants.setFontSize(attributes, 18);
    StyleConstants.setFontFamily(attributes, "Osaka-Mono");
    StyleConstants.setTabSet(attributes, tabSet);
    int length = getDocument().getLength();
    getStyledDocument().setParagraphAttributes(0, length, attributes, true);
  }