static/admin/TinyMCETextArea.js
function () {
        var me = this;

        var ed = tinymce.get(me.getInputId());
        if (ed) {
            // The body cannot be disabled,
            // So we remove events from the

            tinymce.dom.Event.clear(ed.getBody());
            tinymce.dom.Event.clear(ed.getWin());
            tinymce.dom.Event.clear(ed.getDoc());
            tinymce.dom.Event.clear(ed.formElement);

            ed.onExecCommand.listeners = [];

            // We set the contentEditable to false
            var edIframe = Ext.get(me.getInputId() + "_ifr");
            edIframe.dom.contentDocument.body.contentEditable = false;

            // We disable all tool bar controls
            me.enableEditorControls(false);
        }
    }
function () {
        var me = this;

        var ed = tinymce.get(me.getInputId());
        if (ed) {
            // The body cannot be disabled,
            // So we remove events from the

            tinymce.dom.Event.clear(ed.getBody());
            tinymce.dom.Event.clear(ed.getWin());
            tinymce.dom.Event.clear(ed.getDoc());
            tinymce.dom.Event.clear(ed.formElement);

            ed.onExecCommand.listeners = [];

            // We set the contentEditable to false
            var edIframe = Ext.get(me.getInputId() + "_ifr");
            edIframe.dom.contentDocument.body.contentEditable = false;

            // We disable all tool bar controls
            me.enableEditorControls(false);
        }
    }
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