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Page last modified 07:05, 23 Apr 2009 by SteveB
MindTouch Community Portal > App Catalog > Ajax RSS
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Ajax RSS

    Vendor
    		 MindTouch
    Type Script
    Categories Rss
    Requires MindTouch Core 1.8.3 or later
    Status Stable
    License Free/Open Source
    Manifest http://scripts.mindtouch.com/ajaxrss.xml

     

    Install Script
    To add  this script to your site, enter the address of your MindTouch installation (ex: http://www.mindtouch.com) and click the Add Script button.  This will open your control panel and prepopulate the necessary values.  You will still need to manually add configuration settings if required.  Note that no changes are made to your site until you confirm the action in your control panel.
    Your site address:     


    Table of Contents

    1. 1. Description
    2. 2. Configuration
    3. 3. Functions
      1. 3.1. ajaxrss(feed : uri, max : num) : xml
    4. 4. Script Source

    Description

    This extension contains an easily customizable function for displaying RSS feeds.

    See also How to add a script, Using the Extension Dialog, Learn about DekiScript, Extensions Directory.

    Configuration

    The following configuration settings are required to run this script (unless shown as optional).

    NameTypeDescription
    api-keystrGoogle API key for feed web-service.
    securestr(optional) Always use https:// to load scripts from Google servers.

    Functions

    ajaxrss(feed : uri, max : num) : xml

    Display an rss feed

    Parameters:

    NameTypeDescription
    feedurifeed uri (Atom or RSS)
    maxnum(optional) max items to display (default: nil)

    Script Source

    <extension>
  <title>MindTouch RSS Extension (customizable)</title> 
  <label>ajaxrss</label> 
  <copyright>Copyright (c) 2006-2010 MindTouch Inc.</copyright> 
  <description>This extension contains an easily customizable function for displaying RSS feeds.</description>

  <config>
    <param name="api-key" type="str">Google API key for feed web-service.</param>
    <param name="secure" type="str" optional="true">Always use https:// to load scripts from Google servers.</param>
  </config>
  
  <function>
    <name>ajaxrss</name>
    <description>Display an rss feed</description>
    <param name="feed" type="uri">feed uri (Atom or RSS)</param>
    <param name="max" type="num" optional="true">max items to display (default: nil)</param>
    <return>
      <html xmlns:eval="http://mindtouch.com/2007/dekiscript">
        <head>
          <script eval:src="(((string.compare(config.secure ?? '', 'true', true) == 0) || string.startswith(__env.site.uri ?? '', 'https:', true)) ? 'https' : 'http') .. '://www.google.com/jsapi' .. (config['api-key'] ? '?key='..config['api-key'] : (config['maps-api-key'] ? '?key='..config['maps-api-key'] : ''))" type="text/javascript" />
          <script type="text/javascript">google.load('feeds', '1');</script>
        </head>
        <body>
          <div eval:id="@id" />
        </body>
        <tail>
          <script type="text/javascript">
            var feed = new google.feeds.Feed(<eval:js>args.feed</eval:js>);
            <eval:if test="args.max">feed.setNumEntries(<eval:js>args.max</eval:js>);</eval:if>
            feed.load(function(result) {
              var container = document.getElementById(<eval:js>@id</eval:js>);
              if (!result.error) {
                var header = container.appendChild(document.createElement("h3"));
                var headerLink = header.appendChild(document.createElement("a"));
                headerLink.href = result.feed.link;
                headerLink.innerHTML = result.feed.title; 
                headerLink.setAttribute("class", "external");
                var entryList = container.appendChild(document.createElement("ul"));
                for (var i = 0; i &lt; result.feed.entries.length; i++) {
                  entryListItem = entryList.appendChild(document.createElement("li"));
                  var entryLink = entryListItem.appendChild(document.createElement("a"));
                  entryLink.href = result.feed.entries[i].link;
                  entryLink.innerHTML = result.feed.entries[i].title;
                  entryLink.setAttribute("class", "external");
                }
              } else {
                container.innerHTML = result.error.message;
              }
            });
          </script>
        </tail>
      </html>
    </return>
  </function>
</extension>

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