Markup of CDF file, e.g. highlighting text

Is it possible to markup (i.e. highlight or underline) text in a deployed cdf file and then save it? I think I know the answer (no), but since it seems a basic necessity for a document format that aspires to be used for textbooks, I thought I would ask if anybody had succeeded in such a task. Other similar tasks might include margin notes.

I have tried a little out myself and failed with the following code:

    highlight :=
SetOptions[NotebookSelection[EvaluationNotebook[]], Background -> Yellow];
highlightButton := Button["Highlight", highlight];
SetOptions[EvaluationNotebook[],
DockedCells -> Cell[BoxData[ToBoxes[highlightButton]], "DockedCell"]]


When this is executed in Mathematica, I get a nice Button in my DockedCell that allows me to highlight text, by first selecting the text and then hitting the button. However, this functionality disappears when I try to deploy as a CDF.

Am I right that this is impossible? I am pretty sure that even if I managed to get the text highlighted, from CDF Player, there won't be any saving anyway, but at least it could be printed (perhaps to a pdf).

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Yes and no: Any alteration of the notebook by SetOptions seems to be inhibited (and that is probably fine). However, if you use Dynamic in advance for highlighting say a Text cell, then it works, even printing the highlighted cell to PDF. Try this:

highlightButton := Button["Highlight", color = RGBColor[1, 1, 0]];
unhighlightButton := Button["UnHighlight", color = RGBColor[1, 1, 1]];
SetOptions[EvaluationNotebook[],
DockedCells ->
Cell[BoxData[
RowBox[{ToBoxes[highlightButton], ToBoxes[unhighlightButton]}]],
"DockedCell"]];
CellPrint@Cell["CDF is really easy!", "Text",
Background -> Dynamic[color]]

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That certainly makes it possible for the user to switch back and forth, but it is not exactly what I am after. I would like to have the end-user have the ability to mark up sections that are of interest to him/her as they would be able to a printed book. My end use is a small textbook that I am in the throes of writing, and since it relies on extensive Dynamic interactivity, the printed version will lack substantially. What I would like to be able to do is have users be able to mark it up like they would the printed version. – Andy Mobley Mar 9 '14 at 8:44
Call Wolfram Research and ask them to add this to the next version of CDF. – Rolf Mertig Mar 9 '14 at 8:57
That is a good idea. Maybe others would have some ideas of similar types of behavior that would be good to ask for. – Andy Mobley Mar 9 '14 at 11:55