Drupal的Trackback模组的改进

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drupal提供的Trackback模组其实还不错,他把trackback进来的ping作为匿名用户的comment显示,但标注有trackback和ping的来源,trackback本来就是保存在自己日志上的对别人的post的评价,所以说这样显示也十分合理。

Trackback模组本身其实没有问题,唯一的问题只在于在于显示时把trackback url做成了链接,而不是文字地址,于是常常我们去点那个trackback url,结果返回一个Miss URL,其实只要用右键复制快捷方式就可以了。

来说说我是怎么把它改得更友好一点的:

思路:弹出一个小窗口显示trackback url地址,用url传递地址参数

方法:

1.在template里加入弹出窗口的javascript

  <script language="JavaScript" type="text/JavaScript">
<!--
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
//-->
  </script>

2.写一个简单的tburl.aspx文件,用于接收和显示弹出窗口(之所以用asp.net是因为我对php并不熟)

<%@ Import Namespace="System" %><%@ Import Namespace="System" %>
<%@ Import Namespace="System.IO" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<html>
<head>
<title>trackback url</title>
<script language="C#" runat="server">
 public string tburl;
 private void Page_Load(object sender, System.EventArgs e)
 {
  if ( Request.QueryString["q"] != null )
   tburl = HttpUtility.HtmlEncode(Request.QueryString["q"]);
 }
</script>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style type="text/css">
<!--
.style1 {font-size: x-small}
-->
</style>
</head>
<body>
<font class="style1">引用本文的 trackback 地址:</font>
<br /><input name='tb' style='font-size:10px;width:312px' onmouseover='this.select()' value=<%=tburl%>>
<input type='button' value='复制' style='font-size:10px' onclick=tb.focus();document.execCommand('COPY')>
</body>
</html>

3.在includes/common.inc里加入popuptrackback()方法,"主机地址"改为存放tburl.aspx的地址,我的tburl.aspx的地址在:http://winisp.net/ericfish/blog/tburl.aspx

function popuptrackback($text, $url, $attributes = array(), $query = NULL, $fragment = NULL, $absolute = TRUE) {
  if ($url == $_GET['q']) {
    if (isset($attributes['class'])) {
      $attributes['class'] .= ' active';
    }
    else {
      $attributes['class'] = 'active';
    }
  }
  return "<a href=javascript:MM_openBrWindow('http://主机地址/tburl.aspx?q=". url($url, $query, $fragment, $absolute) ."". drupal_attributes($attributes) ."','AddNewMsg','width=400,height=30')>$text</a>";
}

4.在module/trackback.module里调用popuptrackback()方法

将原来的:

function trackback_link($type, $node = 0, $main = 0) {
  if ($type == 'system') {
    menu('trackback', t('trackback'), trackback_page, 0, MENU_HIDE);
  }
  elseif ($type == "node") {
    $link = l(t("trackback url"), "trackback/$node->nid");
    if (!$main) {
      $url = url("node/view/$node->nid");
      $tb_url = url("trackback/$node->nid");
      $link .= "/n<!--/n";
      $link .= "<rdf:RDF xmlns:rdf=/"http://www.w3.org/1999/02/22-rdf-syntax-ns#/" xmlns:dc=/"http://purl.org/dc/elements/1.1//" xmlns:trackback=/"/n'>http://madskills.com/public/xml/rss/module/trackback//">/n";
      $link .= "<rdf:Description rdf:about=/"$url/" dc:identifier=/"$url/" dc:title=/"$node->title/" trackback:ping=/"$tb_url/" />/n";
      $link .= "</rdf:RDF>/n";
      $link .= "-->/n";
    }
    return array($link);
  }
}

换成:

function trackback_link($type, $node = 0, $main = 0) {
  if ($type == 'system') {
    menu('trackback', t('trackback'), trackback_page, 0, MENU_HIDE);
  }
  elseif ($type == "node") {
    if (!$main) {
     if (!$node) {
      $url = url("node/view/$node->nid");
      $tb_url = url("trackback/$node->nid");
      $link = l(t("trackback url"), "trackback/$node->nid");
      $link .= "/n<!--/n";
      $link .= "<rdf:RDF xmlns:rdf=/"http://www.w3.org/1999/02/22-rdf-syntax-ns#/" xmlns:dc=/"http://purl.org/dc/elements/1.1//" xmlns:trackback=/"/n'>http://madskills.com/public/xml/rss/module/trackback//">/n";
      $link .= "<rdf:Description rdf:about=/"$url/" dc:identifier=/"$url/" dc:title=/"$node->title/" trackback:ping=/"$tb_url/" />/n";
      $link .= "</rdf:RDF>/n";
      $link .= "-->/n";
     }
     else {
     $link = popuptrackback(t("trackback url"), "trackback/$node->nid");
     }
    }
    else {
    $link = popuptrackback(t("trackback url"), "trackback/$node->nid");
    }
    return array($link);
  }
}

Done!

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