/**
  * 设置新闻详情
  *
  * @param index
  */
 public void ShowNewsDetail(NewsDetailModel model) {
   this.model = model;
   if (model.isFavorate) {
     favoritBtn.setText("取消收藏");
   } else {
     favoritBtn.setText("收藏");
   }
   scrollView.scrollTo(0, 0);
   scrollView.smoothScrollTo(0, 0);
   LogInfo.LogOut("OnlineNewsAdapter", "ShowNews-->pos:" + pos);
   final NewsDetailModel news = model;
   mTitle.setText(news.title);
   mTimeProvenance.setText(
       (TextUtils.isEmpty(news.cFrom) ? "" : "    来源: " + news.cFrom) + "\t" + news.cTime);
   LogInfo.LogOut("字数:" + (news.content == null ? 0 : news.content.length()));
   mDetails.setText("");
   postDelayed(
       new Runnable() {
         @Override
         public void run() {
           setChangeLine(news.content);
         }
       },
       50);
   if (TextUtils.isEmpty(news.imgUrl)) {
     mNewsImage.setVisibility(GONE);
   } else {
     mNewsImage.setVisibility(VISIBLE);
     ImageEngine.setImageBitmap(news.imgUrl, mNewsImage, R.drawable.ic_launcher, -1);
   }
 }
  private void setChangeLine(String str) {

    TextPaint paint = mDetails.getPaint();
    StringBuffer tmpbuffer = new StringBuffer();
    StringBuffer buffer = new StringBuffer();
    int detailwidth = mDetails.getWidth();
    LogInfo.LogOut("mDetails.getWidth()=" + mDetails.getWidth());
    if (str == null) {
      return;
    }
    char[] chars = str.toCharArray();
    for (int i = 0; i < chars.length; i++) {
      tmpbuffer.append(chars[i]);
      if (chars[i] == '\n') {
        buffer.append(tmpbuffer.toString());
        tmpbuffer = new StringBuffer();
      } else if (paint.measureText(tmpbuffer.toString()) > detailwidth) {
        int tmp = i + 1;
        tmpbuffer.deleteCharAt(tmpbuffer.length() - 1);
        i--;
        while (tmp < chars.length) {
          if (chars[tmp] == ' ') {
            tmp++;
          } else if (chars[tmp] == '\n') {
            i = tmp;
            break;
          } else {
            break;
          }
        }
        buffer.append(tmpbuffer.toString() + "\n");
        tmpbuffer = new StringBuffer();
      } else if (i == chars.length - 1) {
        buffer.append(tmpbuffer.toString());
      }
    }
    mDetails.setText(buffer.toString());
  }