Sitecore: Adding your own buttons to the RichText editor

It’s surprisingly easy to add your own functionality to the Sitecore Rich Text editor. First you need to register your button in Sitecore:

/system/settings/Html Editor Profiles/Rich Text Default/Toolbar 1

Duplicate an existing button and you will have added a new button to the first toolbar in the default Rich Text Editor.
Change the “Click” field of your new button to a unique text. I have changed mine to “MyNewButton”.

Then you must change the Rich Text javascript file. You’ll find the file at:

/sitecore/shell/Controls/Rich Text Editor/RichText Commands.js

This file contains the commands for the Rich Text editor. Here you can add your own “RadEditorCommandList” for the “MyNewButton”: 

RadEditorCommandList["MyNewButton"] = function(commandName, editor, tool)
{
};

Inside this function you can add code to add text to the editor:

var str = "This is my new text. This will be inserted at the cursor position";
editor.PasteHtml(str);

Here is another example where I call a webservice and inserts the response:

var xmlhttp = new ActiveXObject(“Microsoft.XMLHTTP”);
xmlhttp.open(“POST”,”/service.asmx/MyFunction”,false);
xmlhttp.setRequestHeader(“Content-Type”,”application/x-www-form-urlencoded”);
xmlhttp.send(“param=” + escape(“my parameter”));
if (xmlhttp.status==200)
{
  var str = xmlhttp.responseText;
  str = str.replace(/