import com.intellij.ui.UI; //导入依赖的package包/类
private void customizeLinksStyle() {
  Document document = getDocument();
  if (document instanceof HTMLDocument) {
    StyleSheet styleSheet = ((HTMLDocument)document).getStyleSheet();
    String linkColor = "#" + ColorUtil.toHex(UI.getColor("link.foreground"));
    styleSheet.addRule("a { color: " + linkColor + "; text-decoration: none;}");
  }
}
 

import com.intellij.ui.UI; //导入依赖的package包/类
private Color getFillColor() {
  return UI.getColor("callout.background");
}
 

import com.intellij.ui.UI; //导入依赖的package包/类
private Color getBoundsColor() {
  return UI.getColor("callout.frame.color");
}
 

import com.intellij.ui.UI; //导入依赖的package包/类
protected Color getVisited() {
  return UI.getColor("link.visited.foreground");
}
 

import com.intellij.ui.UI; //导入依赖的package包/类
protected Color getActive() {
  return UI.getColor("link.pressed.foreground");
}
 

import com.intellij.ui.UI; //导入依赖的package包/类
protected Color getNormal() {
  return UI.getColor("link.foreground");
}
 

import com.intellij.ui.UI; //导入依赖的package包/类
MoreCellRenderer() {
  setHorizontalAlignment(SwingConstants.LEFT);
  setForeground(UI.getColor("link.foreground"));
}
 

import com.intellij.ui.UI; //导入依赖的package包/类
@Override
public void setForeground(Color fg)
{
	super.setForeground(isEnabled() ? UI.getColor("link.foreground") : fg);
}