# Tag Info

26

Assuming nb is your notebook object, then this will do what you want without touching the clipboard: First[FrontEndExecute[ FrontEndExportPacket[NotebookSelection[nb], "InputText"]]] Some notes about this solution: It preserves evaluation semantics precisely, regardless of typesetting. It does not dirty the clipboard If you prefer to get the ...

24

My other answer is a nice solution for interactively looking at boxes, but in the comments, Mr.Wizard seems to be indicating that he's more interested in programmatic usage, and that he's definitely interested in seeing the box form after the FE has stripped non-semantic boxes to send to the kernel. So here's a totally different method for doing this which ...

16

This took some digging but at least in Version 7 the FrontEnd command is FT, e.g.: FEFT["Plot"] You can read the definition with Definition[FEFT]. If you want only the Box form itself we can modify it accordingly (here for version 7): templateCell[name_String] := Module[{template}, If[! StringQ@ToExpression[name <> "::usage"], ...

12

Here's some code which produces an InputField and the box form of anything you type into the InputField as you type it: DynamicModule[{boxes = ""}, Column[{InputField[Dynamic[boxes], Boxes, ContinuousAction -> True], Dynamic[boxes, BaseStyle -> {ShowStringCharacters -> True}]}]] The critical idea here is using a Boxes style InputField to ...

12

You can put it to the last cell and evaluate, it will resize all images from InputCells to the width of 100px. You can of course change affected cell set and output parameters. Do[ With[{nr = NotebookRead[cell]}, If[! FreeQ[nr, "ImageGraphics"], SelectionMove[cell, Cell, All]; NotebookWrite[ EvaluationNotebook[], nr /. g : ...

12

You can use this to create a functionality which will fit your need the best. Here's how you can preview your input cell with c highlighted Red. CellPrint[ NotebookRead @ PreviousCell[] /. "c" -> InterpretationBox[ StyleBox["c", FontColor -> RGBColor[1, 0, 0]], c ] ] You can even evaluate such cell. General ...

11

You can convert any expression to string by using ToString. If you want to preserve the visual representation, you should use ToString[(*your expression*), StandardForm]. logo = Import["http://wolfram.com/favicon.ico", "Image"] logostr = ToString[logo, StandardForm] StringJoin["Mathematica", logostr] % // StringQ Edit: By checking the cell expression ...

10

This is a nice exercise on boxing: MakeBoxes[u[v_[r_[b_]]], TraditionalForm] := Module[{b1, b2, b3, t}, t = ToBoxes[#, TraditionalForm] &; {bl1, bl2, bl3} = StyleBox[#1, #2] & @@@ { {"{", {20, Orange}}, {"[", {15, Purple}}, {"(", {12, Blue}}}; {br1, br2, br3} = {bl1, bl2, bl3} /. {"[" -> "]", "{" -> "}", "(" -> ")"}; ...

10

This was an intentional change. It is no longer possible to get "short form linear syntax", as we call it, from the kernel. Instead, the kernel now emits only "long form linear syntax" for StandardForm/TraditionalForm, and the boxes themselves do not do anything special for InputForm. This is the first step in what will be a multistep process to replace ...

9

tokenize[str_] := Module[{exp, nb = CreateDocument[{ExpressionCell@ InputForm@MakeExpression[str, StandardForm]}, Visible -> False]}, SelectionMove[nb, Next, Cell]; exp = Flatten[ NotebookRead[nb][[1, 1]] /. {RowBox -> List, i_String /; StringMatchQ[i, Whitespace ..] :> Sequence[]}]; NotebookClose[nb]; exp[[3 ...

9

You can place your desired output in a Row and then put it into DisplayForm. Manipulate[ Switch[testStatChoice, 1, testText1], {{testStatChoice, 1, "Select Calculation"}, {1 -> "1: First Calculation Example"}, ControlType -> PopupMenu}, Initialization :> {testText1 := Row[{SuperscriptBox["R", "*"]// TraditionalForm, " = ", "Rate of star ...

9

The following functions will load the expressions and erroneous cells from a notebook: notebookExpressions[path_, pattern_:_] := Cases[Import[path, "Notebook"] // First , c:Cell[_, "Input"|"Output"|"Print", ___] :> Module[{v = eval[c]}, v /; MatchQ[v, _$Failed | Hold[pattern]]] , Infinity ] eval[cell_] := Quiet @ Check[ ... 8 The problem here is independent of Manipulate or Dynamic. It is about how to display a Cell object without using a CellPrint statement. testText1 in itself is always displayed as Cell[...]. Therefore I suggest reconstructing the expression as something else, not wrapped in Cell. testText1 := TraditionalForm@Row[{Superscript[R, "*"], " = Rate of star ... 8 My colleague John Fultz suggested the following answer. f /: MakeBoxes[dat : f[args_], fmt_] := TagBox[ToBoxes[Rasterize@RandomImage[1, {100, 100}]], InterpretTemplate[f[args] &], Editable -> False, Selectable -> True, SelectWithContents -> True, Tooltip -> "tooltip"] After a bit of exploring I realized that I should have checked ... 8 The simple answer is, if you want a string converted to StandardForm, you could wrap BoxData around it. E.g., CellPrint[Cell[BoxData["myFunction::usage=\"myFunction does ...\";"], "Input"]] But, in general, I wouldn't structure this as a question of CellPrint vs. FrontEndCellPrint. FrontEndCellPrint is undocumented, and therefore there is no contract ... 8 Perhaps it's not obvious because this doesn't look like a box. But the way that DocumentNotebook, et al, get translated into Notebook is by going through MakeBoxes. Which means that RawBoxes saves the day by preserving its guts in MakeBoxes: DocumentNotebook@{TextCell["Hello world!", "Section"], RawBoxes@cell, TextCell["The solution is:", "Text"]} 7 This is documented in Part >> More Information (Part >> Details in V9): 7 NOTE: This answer is provided for illustrative purposes only, since it shows some techniques of working with boxed data. While it illustrates how one could emulate the correct behavior in some cases, this code should NOT be used in practice (as a solution for this particular problem), because doing so may be both fragile and dangerous. Please read the ... 7 I believe this is the documentation you are looking for: String Representation of Boxes Notably: And: 6 Why not use ToBoxes (or MakeBoxes) to construct boxes, instead of doing it yourself? DisplayForm[ ToBoxes[Row[List[0, 1, Superscript[2, 3], Superscript[1, 2], a]]]] 6 This is caused by the AutoMultiplicationSymbol option in the front end. SetOptions[$FrontEnd, AutoMultiplicationSymbol -> False] Will make the space disappear.

6

Not quite tested embeddedNotebookForm/: MakeBoxes[embeddedNotebookForm[nb:Notebook[cells_List,___]],StandardForm]:= MakeBoxes@DocumentNotebook[{TextCell@"tag"}]/.{ {{Cell["tag"]}}:>Block[{},List/@ Replace[cells, Cell[CellGroupData[{cs__Cell},_]]:>cs, {1}] /;True], ...

5

Interesting question. I don't have much experience with this sort of thing so I imagine there is a better way but this is what I could hack together at the moment: frac[lst_List] := Column[ Column /@ Partition[Riffle[lst, \[HorizontalLine]], 2, 2, -1, {}], Alignment -> Center, Spacings -> 0] {"x", 200, Integrate[Sin[x^2], x]} // frac Here ...

5

One approach that may be familiar to more experienced users is based on the input syntax described in String Representation of Boxes. $$input$$             raw boxes This appears to work but closer inspection shows that it is not exact: "$${1*^4, 000123, a*b c}$$" // ToExpression ...

5

I believe it is not a restriction, but this comes with the way how Mathematica formats derivatives. That being said, the same way you cannot use 3 superscript primes to input a third derivative, you won't see 3 primes in the output either. D[f[x], x, x, x] gives If you could type this as input, then you would have a way to specify your third ...

5

When I see this right, then the evil function is TraditionalFormDumpordplus. This seems to change the order. The arguments can be extracted from a Trace TraditionalForm[a + b]; (* Dummy call *) TraditionalFormDump`ordplus[{{"+", "b"}, {"+", "a"}}, {}] (* {2,1} *) If we change this to give a sorted list, then your arguments are not reordered ...

5

While I was working on alternative TeX export, I had similar requirement. I wanted to export annotated Mathematica code to TeX, with annotations reflecting FrontEnd's syntax highlighting. Since I couldn't find a way to use front end itself to do it, I decided to write my own package. My SyntaxAnnotations package is now available on GitHub. It works by ...

5

I'll provide an starting point for 2D case with single particle. Collisions with other particles are likely to be hard to model (or at least require adding an massive amount of WhenEvent rules if implemented this way), since NDSolve and WhenEvent tend to miss discrete events. Also, 3D case would be considerably more complicated to build; likely to take more ...

5

Palette button CreatePalette[ Button["Compact Part", Do[ With[{ celldata = NotebookRead[cell], pattern = RuleDelayed[ RowBox[{h__, "[", RowBox[{"[", spec___, "]"}], "]"}], RowBox[{h, "\[LeftDoubleBracket]", RowBox[{spec}], "\[RightDoubleBracket]"}] ] }, If[ Not @ FreeQ[celldata, ...

5

There are basically two ways to approach this. One would be to read the underlying expression in held form, apply the CompoundExpression to it and write it back. The problem with this approach is that it wouldn't preserve the individual formatting concerning e.g. linebreaks. For a decent "look" of the generated code you would need code which automatically ...

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