!!!mixi アプリ Twitter 検索
[mixi アプリ]
!!Twitter の 検索を行うサンプル

*Twitter の 検索を行う
{{ref_image mixi_app_twitter01.jpg}}

!!ソース
*[Twitter API 検索|http://apiwiki.twitter.com/Twitter-Search-API-Method%3A-search]
*[Google Gadgets API JSON利用サンプル|http://code.google.com/intl/ja/apis/gadgets/docs/remote-content.html#Fetch_JSON]

 <?xml version="1.0" encoding="UTF-8" ?> 
 <Module>
   <ModulePrefs title="twitter search sample">
     <Require feature="opensocial-0.8"/>
   </ModulePrefs> 
   <Content type="html">
      <![CDATA[
         <style type="text/css">
             a:active, a:hover, .b:active, .link:active {
                 color:#AAAAAA;
                 text-decoration:underline;
             }
             a, .link {
                 color:#2694E8;
                 cursor:pointer;
                 text-decoration:none;
             }       
         </style> 
         <script type="text/javascript">
             /**
              * mixi アプリ : Twitterの検索を行う
              */
             function search_twitter(url) {
                 var baseurl = "http://search.twitter.com/search.json";
                 if (url) {
                     url = baseurl + url;
                 } else {
                     url = baseurl + makeHttpParam('q', true);
                 }
                 var params = {};
                 params[gadgets.io.RequestParameters.METHOD] = gadgets.io.MethodType.GET;
                 params[gadgets.io.RequestParameters.CONTENT_TYPE] = gadgets.io.ContentType.JSON;
                 gadgets.io.makeRequest(url, searchResponse, params);
             }
             /**
              * 検索結果処理
              */
             function searchResponse(responseObj) {
                 var html = "";
                 var jsondata = responseObj.data
                 
                 var next_page = jsondata['next_page'];
                 if (next_page) {
                     html += "<a href='javascript:search_twitter(\"" + next_page + "\");'>next page</a>";
                     html += "<br/>";
                 }
                 var results = jsondata['results'];
                 html +="<table border='0'>";
                 for (var i=0; i<results.length; i++) {
                     var result = results[i];
                     html += "<tr style='font-size:small;'>";
                     html +=   "<td>";
                     html +=     "<a href='http://twitter.com/" + result['from_user'] + "' target='_blank'>";
                     html +=         "<img src='" + result['profile_image_url'] + "' border='none'/>";
                     html +=     "</a>";
                     html +=   "</td>";
                     html +=   "<td>";
                     html +=     "<a href='http://twitter.com/" + result['from_user'] + "' target='_blank'>";
                     html +=       "<span style='color:#2FC2EF;font-weight:bold;'>" + result['from_user'] + ":</span>"
                     html +=     "</a>";
                     html +=     createLink(result['text']) + "</br>";
                     html +=   "</td>";
                     html += "</tr>";
                 }
                 html += "</table>";
                 
                 document.getElementById('content_div').innerHTML = html;
             }
             function createLink(text) {
                 // URL置き換えの正規表現がなぜか行末にマッチしないので最後にスペース1文字付加
                 return toUserUrlText(toFuzzyUrlText(text + ' '));
             }
             /** ちょっといい加減にURLをリンクに変更する関数 */
             function toFuzzyUrlText(text) {
                 var ret = text;
                 var ptn = /(http:\/\/.*?)[ $]/g; // 行末にマッチしない？？？
                 var ary = ptn.exec(text);
                 while(ary) {
                     ret = ret.replace(ary[0], "<a href='" + RegExp.$1 + "' target='_blank'>" + ary[0] + "</a>");
                     ary = ptn.exec(text);
                 }
                 return ret;
             }
             /** ちょっといい加減にTwitter IDをリンクに変更する関数 */
             function toUserUrlText(text) {
                 var ret = text;
                 var ptn = /@([A-Za-z]{1,}?):/g;
                 var ary = ptn.exec(text);
                 while(ary) {
                     ret = ret.replace(ary[0], "<a href='http://twitter.com/" + RegExp.$1 + "' target='_blank'>" + ary[0] + "</a>");
                     ary = ptn.exec(text);
                 }
                 return ret;
             }
             /**
              * HTTP GETリクエストパラメータを生成
              */
             function makeHttpParam(param_id, isFirstParam) {
                 isFirstParam = !(isFirstParam == undefined);
                 var paramObj = document.getElementById(param_id);
                 var ret = "";
                 if (paramObj != null) {
                     ret = ((isFirstParam)?"?":"&") + param_id + "="
                          + encodeURIComponent(paramObj.value);
                 }
                 return ret;
             }
         </script>
         <input type="text" size="16" id="q"/><input type="button" name="search" value="twitter search" onclick="javascript:search_twitter();"/>
         <div id="content_div"/>
      ]]>
   </Content> 
 </Module>