Source Code

for file /controls/OpenAjaxEventLog.ascx

<%@ Control Language="C#" AutoEventWireup="false" %>
<%
  // OpenAjaxEventLog.ascx
  // Implementation of the OpenAjaxEventLog Control.
  // Copyright (c) by Matthias Hertel, http://www.mathertel.de
  // This work is licensed under a BSD style license. See http://www.mathertel.de/License.aspx
  // ----- 
  // This control is used to display all OpenAjax hub events in a div area for debugging purpose.
  // ----- 
  // 10.08.2007 created by Matthias Hertel
  // 25.08.2007 better output formatting for complex objects
%>

<div id="<%=this.ClientID %>" style="border: solid 1px blue; height: 8em; padding:2px;overflow: hidden">
  <h3 style="margin: 0px">OpenAjax hub event log:</h3>
</div>

<script type="text/javascript">
  obj = document.getElementById("<%=this.ClientID %>");
  obj.dumpevent = function (eventName, eventData) {
    this.Dump(eventName + ":" + this._objToText(eventData));
  } // dumpevent

  obj.Dump = function (txt) {
    var p = window.document.createElement("div");
    this.appendChild(p);
    p.innerText = txt;
    
    if (this.childNodes.length > 14)
      this.removeChild(this.childNodes[1]);
  } // GetValue


  // get some pretty printable object notation in one line
  obj._objToText = function(obj) {
    var s = "";

    if (obj == null) {
      s = "(null)";
    } else if (obj.constructor == String) {
      s = "\"" + obj + "\"";
    } else if (typeof(obj) == "function") {
      s += " [function]" + obj;

    } else if (obj.constructor == Array) {
      s += "[";
      for (n = 0; n < obj[p].length; n++) {
        if (n > 0) s += ", ";
        s += obj[n];
      }
      s += "]";

    } else if (obj.constructor == Object) {
      s += "{";
      for (n in obj) {
        s += n + ": " + obj[n] + ", ";
      }
      s += "}";

    } else {
      s = obj.toString();
    }
    return(s);
  } // _objToText

  OpenAjax.hub.subscribe("**", "dumpevent", obj);
  OpenAjax.hub.registerLibrary("OpenAjaxEventLog", "http://www.mathertel.de/OpenAjax/OpenAjaxEventLog");
</script>

This page is part of the http://www.mathertel.de/ web site.

For updates and discussions see http://ajaxaspects.blogspot.com/.