JavaScript issues with adding button to editor

[Eric]

Hello,

I am trying to add a custom button to a RadEditor in Sitecore 6.4.  I have successfully added the button and am now defining the command.  Here is what I have so far (from a previous project):

RadEditorCommandList["InsertBrightcoveVideo"] = function(commandName, editor, tool) {
    var args = editor.GetDialogParameters(commandName);

    var html = editor.getSelectionHtml();
    var videoid = scItemID;
    var playerid = scItemID;
    var playlistids = scItemID;
    var wmode = "window";
    var bgcolor = "#ffffff";
    var autostart = "false";

    if (html) {
        videoid = getVidQStringVal(html, 'video');
        playerid = getVidQStringVal(html, 'player');
        playlistids = getVidQStringVal(html, 'playlists');
        wmode = getVidQStringVal(html, 'wmode');
        bgcolor = getVidQStringVal(html, 'bgcolor');
        autostart = getVidQStringVal(html, 'autostart');
    }

    scEditor = editor;

    editor.ShowDialog(
        "/sitecore/shell/default.aspx?xmlcontrol=RichText.InsertVideo&la=" + scLanguage + "&video=" + videoid + "&player=" + playerid + "&playlists=" + playlistids + "&selectedText=" + escape(html) + "&wmode=" + wmode + "&bgcolor=" + bgcolor + "&autostart=" + autostart,
        null, //argument
        600, //width
        500, //height
        scInsertBrightcoveVideo,
        null,
        "Insert Video");
};

I am getting a few JavaScript errors.  This first error is caused by the second line of my command.

Uncaught TypeError: Object [object Object] has no method 'GetDialogParameters'

Looking in the Client-side API Reference, I don't see the GetDialogParameters method listed, so I commented it out.  The error goes away but I receive another.

Uncaught TypeError: Object [object Object] has no method 'ShowDialog'

Strange.  Looking in the API I see that the method does in fact exist.  But if I change the method call from ShowDialog to showDialog the error goes away.  Unfortunately I receive another.

Uncaught Sys.ArgumentNullException: Sys.ArgumentNullException: Dialog Parameters for the /sitecore/shell/default.aspx?xmlcontrol=RichText.InsertVideo&la=en&video={E114FA72-EC42-43F3-8A1F-99B00541E86A}&player={E114FA72-EC42-43F3-8A1F-99B00541E86A}&playlists={E114FA72-EC42-43F3-8A1F-99B00541E86A}&selectedText=&wmode=window&bgcolor=#ffffff&autostart=false dialog do not exist
Parameter name: dialogName

Any ideas as to what could be going wrong?  I'm a little confused as to why I had to change the method call when the docs say it exists.  Is there something wrong with the editor parameter possibly?

Thanks for any help.

[Richard]

Eric:

If you have not already referenced this, there's a useful Editor/Custom Dialogs demo to help you with your implementation.

The DialogParametersProvider..::..GetDialogParameters Method  does exist in the Telerik.Web.UI namespace.

Hope this helps!