static/admin/TinyMCETextArea.js
function (state) {
        var me = this;
        var ed = tinymce.get(me.getInputId());
        if (!ed) { return; }

        tinymce.each(ed.controlManager.controls, function (c) {
            c.setDisabled(!state);
        });
    }
function (state) {
        var me = this;
        var ed = tinymce.get(me.getInputId());
        if (!ed) { return; }

        tinymce.each(ed.controlManager.controls, function (c) {
            c.setDisabled(!state);
        });
    }
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