How can I automatically replace [[ and ]] with the [LeftDoubleBracket] and [RightDoubleBracket] operators? The 2019 Stack Overflow Developer Survey Results Are In Announcing the arrival of Valued Associate #679: Cesar Manara Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)Automating Esc [[ Esc formatting?On an existing notebook, how to transform all “double brackets” into “DoubleBracket”Convenient string manipulationHow to define a vector with automatically added symbolic elements with subscriptsHow to convert an image to a compressed string representation equivalent to one copied to clipboard by `CopyToClipboard[image]`?Incorporating Built-In Function Options/Parameters into ShorthandDifferentiating a Dot ProductPostfix Double Slash Notation with Multiple ParametersHow to construct custom operators with precedence?Can symbols like + or * be used to denote the Plus and Times functions?How to efficiently input matrices in Mathematica (compared to what MATLAB offers)Define a new Front End Syntax for Function Argument Checking & Debugging
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How can I automatically replace [[ and ]] with the [LeftDoubleBracket] and [RightDoubleBracket] operators?
The 2019 Stack Overflow Developer Survey Results Are In
Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)Automating Esc [[ Esc formatting?On an existing notebook, how to transform all “double brackets” into “DoubleBracket”Convenient string manipulationHow to define a vector with automatically added symbolic elements with subscriptsHow to convert an image to a compressed string representation equivalent to one copied to clipboard by `CopyToClipboard[image]`?Incorporating Built-In Function Options/Parameters into ShorthandDifferentiating a Dot ProductPostfix Double Slash Notation with Multiple ParametersHow to construct custom operators with precedence?Can symbols like + or * be used to denote the Plus and Times functions?How to efficiently input matrices in Mathematica (compared to what MATLAB offers)Define a new Front End Syntax for Function Argument Checking & Debugging
$begingroup$
When you type ->
, it is automatically turned into the [Rule]
character. Can we configure our frontends to do the same for the [[
and ]]
characters, which could be turned into [LeftDoubleBracket]
and [RightDoubleBracket]
?
You can easily do this manually by typing <esc>[[<esc>
, but I would like to do this automatically.
This question was originally asked by me in the chat and has answers there; this question is so that those answers can be added and kept for the community.
syntax custom-notation
$endgroup$
add a comment |
$begingroup$
When you type ->
, it is automatically turned into the [Rule]
character. Can we configure our frontends to do the same for the [[
and ]]
characters, which could be turned into [LeftDoubleBracket]
and [RightDoubleBracket]
?
You can easily do this manually by typing <esc>[[<esc>
, but I would like to do this automatically.
This question was originally asked by me in the chat and has answers there; this question is so that those answers can be added and kept for the community.
syntax custom-notation
$endgroup$
3
$begingroup$
Do you really want that when writingfunc[func2[arg]]
? I changed KeyEventTranslations.tr to have<kbd>Alt gr</kbd>+<kbd>i</kbd>/<kbd>o</kbd>
.
$endgroup$
– Coolwater
Apr 7 at 19:04
$begingroup$
Yes, this is part of the problem. Ideally it would only happen after you have typed the matching[[
, but more than likely it needs to be done at shift-enter at the earliest. For[[
the problem is simpler because there is no time when you would type[[
except for as part of aPart
expression.
$endgroup$
– Carl Lange
Apr 7 at 19:05
1
$begingroup$
closely related: 98175
$endgroup$
– Kuba♦
Apr 7 at 20:50
1
$begingroup$
Related using KeyEventTranslations 5221
$endgroup$
– Rohit Namjoshi
Apr 7 at 21:41
$begingroup$
Unless @Kuba or another mod overrules, I will leave this open as I am asking how to do it as-I-work rather than afterwards, but the questions are certainly strongly related.
$endgroup$
– Carl Lange
Apr 7 at 21:42
add a comment |
$begingroup$
When you type ->
, it is automatically turned into the [Rule]
character. Can we configure our frontends to do the same for the [[
and ]]
characters, which could be turned into [LeftDoubleBracket]
and [RightDoubleBracket]
?
You can easily do this manually by typing <esc>[[<esc>
, but I would like to do this automatically.
This question was originally asked by me in the chat and has answers there; this question is so that those answers can be added and kept for the community.
syntax custom-notation
$endgroup$
When you type ->
, it is automatically turned into the [Rule]
character. Can we configure our frontends to do the same for the [[
and ]]
characters, which could be turned into [LeftDoubleBracket]
and [RightDoubleBracket]
?
You can easily do this manually by typing <esc>[[<esc>
, but I would like to do this automatically.
This question was originally asked by me in the chat and has answers there; this question is so that those answers can be added and kept for the community.
syntax custom-notation
syntax custom-notation
edited Apr 7 at 19:01
Carl Lange
asked Apr 7 at 18:52
Carl LangeCarl Lange
5,29411141
5,29411141
3
$begingroup$
Do you really want that when writingfunc[func2[arg]]
? I changed KeyEventTranslations.tr to have<kbd>Alt gr</kbd>+<kbd>i</kbd>/<kbd>o</kbd>
.
$endgroup$
– Coolwater
Apr 7 at 19:04
$begingroup$
Yes, this is part of the problem. Ideally it would only happen after you have typed the matching[[
, but more than likely it needs to be done at shift-enter at the earliest. For[[
the problem is simpler because there is no time when you would type[[
except for as part of aPart
expression.
$endgroup$
– Carl Lange
Apr 7 at 19:05
1
$begingroup$
closely related: 98175
$endgroup$
– Kuba♦
Apr 7 at 20:50
1
$begingroup$
Related using KeyEventTranslations 5221
$endgroup$
– Rohit Namjoshi
Apr 7 at 21:41
$begingroup$
Unless @Kuba or another mod overrules, I will leave this open as I am asking how to do it as-I-work rather than afterwards, but the questions are certainly strongly related.
$endgroup$
– Carl Lange
Apr 7 at 21:42
add a comment |
3
$begingroup$
Do you really want that when writingfunc[func2[arg]]
? I changed KeyEventTranslations.tr to have<kbd>Alt gr</kbd>+<kbd>i</kbd>/<kbd>o</kbd>
.
$endgroup$
– Coolwater
Apr 7 at 19:04
$begingroup$
Yes, this is part of the problem. Ideally it would only happen after you have typed the matching[[
, but more than likely it needs to be done at shift-enter at the earliest. For[[
the problem is simpler because there is no time when you would type[[
except for as part of aPart
expression.
$endgroup$
– Carl Lange
Apr 7 at 19:05
1
$begingroup$
closely related: 98175
$endgroup$
– Kuba♦
Apr 7 at 20:50
1
$begingroup$
Related using KeyEventTranslations 5221
$endgroup$
– Rohit Namjoshi
Apr 7 at 21:41
$begingroup$
Unless @Kuba or another mod overrules, I will leave this open as I am asking how to do it as-I-work rather than afterwards, but the questions are certainly strongly related.
$endgroup$
– Carl Lange
Apr 7 at 21:42
3
3
$begingroup$
Do you really want that when writing
func[func2[arg]]
? I changed KeyEventTranslations.tr to have <kbd>Alt gr</kbd>+<kbd>i</kbd>/<kbd>o</kbd>
.$endgroup$
– Coolwater
Apr 7 at 19:04
$begingroup$
Do you really want that when writing
func[func2[arg]]
? I changed KeyEventTranslations.tr to have <kbd>Alt gr</kbd>+<kbd>i</kbd>/<kbd>o</kbd>
.$endgroup$
– Coolwater
Apr 7 at 19:04
$begingroup$
Yes, this is part of the problem. Ideally it would only happen after you have typed the matching
[[
, but more than likely it needs to be done at shift-enter at the earliest. For [[
the problem is simpler because there is no time when you would type [[
except for as part of a Part
expression.$endgroup$
– Carl Lange
Apr 7 at 19:05
$begingroup$
Yes, this is part of the problem. Ideally it would only happen after you have typed the matching
[[
, but more than likely it needs to be done at shift-enter at the earliest. For [[
the problem is simpler because there is no time when you would type [[
except for as part of a Part
expression.$endgroup$
– Carl Lange
Apr 7 at 19:05
1
1
$begingroup$
closely related: 98175
$endgroup$
– Kuba♦
Apr 7 at 20:50
$begingroup$
closely related: 98175
$endgroup$
– Kuba♦
Apr 7 at 20:50
1
1
$begingroup$
Related using KeyEventTranslations 5221
$endgroup$
– Rohit Namjoshi
Apr 7 at 21:41
$begingroup$
Related using KeyEventTranslations 5221
$endgroup$
– Rohit Namjoshi
Apr 7 at 21:41
$begingroup$
Unless @Kuba or another mod overrules, I will leave this open as I am asking how to do it as-I-work rather than afterwards, but the questions are certainly strongly related.
$endgroup$
– Carl Lange
Apr 7 at 21:42
$begingroup$
Unless @Kuba or another mod overrules, I will leave this open as I am asking how to do it as-I-work rather than afterwards, but the questions are certainly strongly related.
$endgroup$
– Carl Lange
Apr 7 at 21:42
add a comment |
3 Answers
3
active
oldest
votes
$begingroup$
You can use CellEpilog
to modify the contents of the cell upon evaluation:
SetOptions[EvaluationNotebook[],
CellEpilog :> If[
! TrueQ[
Max@CurrentValue[CellChangeTimes] <=
CurrentValue[EvaluationCell[], TaggingRules, "autoreplaceTime"]
],
CurrentValue[EvaluationCell[], TaggingRules, "autoreplaceTime"] =
Max@CurrentValue[CellChangeTimes];
NotebookWrite[
EvaluationCell[],
Replace[NotebookRead[EvaluationCell[]],
RowBox@head_, "[", RowBox@"[", part_, "]", "]" :>
RowBox@head, "[LeftDoubleBracket]", part, "[RightDoubleBracket]", All]
]
]
]
Demonstration:
This could of course be extended to do similar replacements for <|…|>
etc. To minimize the performance hit, we keep track of the last CellChangeTimes
value and only rerun the replacement code when it changed.
The nice thing about an approach like this (i.e. manipulation of the cell's box structure) is that it's rather straightforward to identify the bracket pairs to replace, since the front-end does all the necessary parsing for us.
An alternative to putting the code into CellEpilog
might be to create a menu item for it, one could also modify the "Evaluate cells" menu item to run this code on all selected cells first.
$endgroup$
add a comment |
$begingroup$
Here is a stylesheet solution modeled after Lucas' answer, except that I use CellEventActions
to tie the transformation to a keyboard short cut:
SetOptions[
EvaluationNotebook[],
StyleDefinitions -> Notebook[
Cell[StyleData[StyleDefinitions->"Default.nb"]],
Cell[StyleData["Input"],
CellEventActions ->
"KeyDown","y" :> If[CurrentValue["ControlKey"],
NotebookWrite[
EvaluationCell[],
With[read=NotebookRead[EvaluationCell[]],
Cell[
ReplaceAll[
First[read],
RuleDelayed[
RowBox[head_,"[",RowBox["[",part_,"]"],"]"],
RowBox[head,"[LeftDoubleBracket]",part,"[RightDoubleBracket]"]
]
],
Sequence@@Rest[read]
]
]
];
SelectionMove[EvaluationNotebook[],Before,CellContents];
SelectionMove[EvaluationNotebook[],After,CellContents]
],
PassEventsDown->True
]
,
StyleDefinitions->"PrivateStylesheetFormatting.nb"
]
]
Using the short cut ctrl + y will convert [[
and ]]
to the double bracketing bar versions.
$endgroup$
add a comment |
$begingroup$
It's maybe not exactly what you want but you can always select the cell, expression, or part of it ( Ctrl-. is helpful for this ) and then do Ctrl-Shift-n to change the selection to Standard Form. This includes the changes to [[ and ]] and doesn't require any set up or customisation.
$endgroup$
add a comment |
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3 Answers
3
active
oldest
votes
3 Answers
3
active
oldest
votes
active
oldest
votes
active
oldest
votes
$begingroup$
You can use CellEpilog
to modify the contents of the cell upon evaluation:
SetOptions[EvaluationNotebook[],
CellEpilog :> If[
! TrueQ[
Max@CurrentValue[CellChangeTimes] <=
CurrentValue[EvaluationCell[], TaggingRules, "autoreplaceTime"]
],
CurrentValue[EvaluationCell[], TaggingRules, "autoreplaceTime"] =
Max@CurrentValue[CellChangeTimes];
NotebookWrite[
EvaluationCell[],
Replace[NotebookRead[EvaluationCell[]],
RowBox@head_, "[", RowBox@"[", part_, "]", "]" :>
RowBox@head, "[LeftDoubleBracket]", part, "[RightDoubleBracket]", All]
]
]
]
Demonstration:
This could of course be extended to do similar replacements for <|…|>
etc. To minimize the performance hit, we keep track of the last CellChangeTimes
value and only rerun the replacement code when it changed.
The nice thing about an approach like this (i.e. manipulation of the cell's box structure) is that it's rather straightforward to identify the bracket pairs to replace, since the front-end does all the necessary parsing for us.
An alternative to putting the code into CellEpilog
might be to create a menu item for it, one could also modify the "Evaluate cells" menu item to run this code on all selected cells first.
$endgroup$
add a comment |
$begingroup$
You can use CellEpilog
to modify the contents of the cell upon evaluation:
SetOptions[EvaluationNotebook[],
CellEpilog :> If[
! TrueQ[
Max@CurrentValue[CellChangeTimes] <=
CurrentValue[EvaluationCell[], TaggingRules, "autoreplaceTime"]
],
CurrentValue[EvaluationCell[], TaggingRules, "autoreplaceTime"] =
Max@CurrentValue[CellChangeTimes];
NotebookWrite[
EvaluationCell[],
Replace[NotebookRead[EvaluationCell[]],
RowBox@head_, "[", RowBox@"[", part_, "]", "]" :>
RowBox@head, "[LeftDoubleBracket]", part, "[RightDoubleBracket]", All]
]
]
]
Demonstration:
This could of course be extended to do similar replacements for <|…|>
etc. To minimize the performance hit, we keep track of the last CellChangeTimes
value and only rerun the replacement code when it changed.
The nice thing about an approach like this (i.e. manipulation of the cell's box structure) is that it's rather straightforward to identify the bracket pairs to replace, since the front-end does all the necessary parsing for us.
An alternative to putting the code into CellEpilog
might be to create a menu item for it, one could also modify the "Evaluate cells" menu item to run this code on all selected cells first.
$endgroup$
add a comment |
$begingroup$
You can use CellEpilog
to modify the contents of the cell upon evaluation:
SetOptions[EvaluationNotebook[],
CellEpilog :> If[
! TrueQ[
Max@CurrentValue[CellChangeTimes] <=
CurrentValue[EvaluationCell[], TaggingRules, "autoreplaceTime"]
],
CurrentValue[EvaluationCell[], TaggingRules, "autoreplaceTime"] =
Max@CurrentValue[CellChangeTimes];
NotebookWrite[
EvaluationCell[],
Replace[NotebookRead[EvaluationCell[]],
RowBox@head_, "[", RowBox@"[", part_, "]", "]" :>
RowBox@head, "[LeftDoubleBracket]", part, "[RightDoubleBracket]", All]
]
]
]
Demonstration:
This could of course be extended to do similar replacements for <|…|>
etc. To minimize the performance hit, we keep track of the last CellChangeTimes
value and only rerun the replacement code when it changed.
The nice thing about an approach like this (i.e. manipulation of the cell's box structure) is that it's rather straightforward to identify the bracket pairs to replace, since the front-end does all the necessary parsing for us.
An alternative to putting the code into CellEpilog
might be to create a menu item for it, one could also modify the "Evaluate cells" menu item to run this code on all selected cells first.
$endgroup$
You can use CellEpilog
to modify the contents of the cell upon evaluation:
SetOptions[EvaluationNotebook[],
CellEpilog :> If[
! TrueQ[
Max@CurrentValue[CellChangeTimes] <=
CurrentValue[EvaluationCell[], TaggingRules, "autoreplaceTime"]
],
CurrentValue[EvaluationCell[], TaggingRules, "autoreplaceTime"] =
Max@CurrentValue[CellChangeTimes];
NotebookWrite[
EvaluationCell[],
Replace[NotebookRead[EvaluationCell[]],
RowBox@head_, "[", RowBox@"[", part_, "]", "]" :>
RowBox@head, "[LeftDoubleBracket]", part, "[RightDoubleBracket]", All]
]
]
]
Demonstration:
This could of course be extended to do similar replacements for <|…|>
etc. To minimize the performance hit, we keep track of the last CellChangeTimes
value and only rerun the replacement code when it changed.
The nice thing about an approach like this (i.e. manipulation of the cell's box structure) is that it's rather straightforward to identify the bracket pairs to replace, since the front-end does all the necessary parsing for us.
An alternative to putting the code into CellEpilog
might be to create a menu item for it, one could also modify the "Evaluate cells" menu item to run this code on all selected cells first.
edited Apr 7 at 21:41
answered Apr 7 at 21:36
Lukas LangLukas Lang
7,21511032
7,21511032
add a comment |
add a comment |
$begingroup$
Here is a stylesheet solution modeled after Lucas' answer, except that I use CellEventActions
to tie the transformation to a keyboard short cut:
SetOptions[
EvaluationNotebook[],
StyleDefinitions -> Notebook[
Cell[StyleData[StyleDefinitions->"Default.nb"]],
Cell[StyleData["Input"],
CellEventActions ->
"KeyDown","y" :> If[CurrentValue["ControlKey"],
NotebookWrite[
EvaluationCell[],
With[read=NotebookRead[EvaluationCell[]],
Cell[
ReplaceAll[
First[read],
RuleDelayed[
RowBox[head_,"[",RowBox["[",part_,"]"],"]"],
RowBox[head,"[LeftDoubleBracket]",part,"[RightDoubleBracket]"]
]
],
Sequence@@Rest[read]
]
]
];
SelectionMove[EvaluationNotebook[],Before,CellContents];
SelectionMove[EvaluationNotebook[],After,CellContents]
],
PassEventsDown->True
]
,
StyleDefinitions->"PrivateStylesheetFormatting.nb"
]
]
Using the short cut ctrl + y will convert [[
and ]]
to the double bracketing bar versions.
$endgroup$
add a comment |
$begingroup$
Here is a stylesheet solution modeled after Lucas' answer, except that I use CellEventActions
to tie the transformation to a keyboard short cut:
SetOptions[
EvaluationNotebook[],
StyleDefinitions -> Notebook[
Cell[StyleData[StyleDefinitions->"Default.nb"]],
Cell[StyleData["Input"],
CellEventActions ->
"KeyDown","y" :> If[CurrentValue["ControlKey"],
NotebookWrite[
EvaluationCell[],
With[read=NotebookRead[EvaluationCell[]],
Cell[
ReplaceAll[
First[read],
RuleDelayed[
RowBox[head_,"[",RowBox["[",part_,"]"],"]"],
RowBox[head,"[LeftDoubleBracket]",part,"[RightDoubleBracket]"]
]
],
Sequence@@Rest[read]
]
]
];
SelectionMove[EvaluationNotebook[],Before,CellContents];
SelectionMove[EvaluationNotebook[],After,CellContents]
],
PassEventsDown->True
]
,
StyleDefinitions->"PrivateStylesheetFormatting.nb"
]
]
Using the short cut ctrl + y will convert [[
and ]]
to the double bracketing bar versions.
$endgroup$
add a comment |
$begingroup$
Here is a stylesheet solution modeled after Lucas' answer, except that I use CellEventActions
to tie the transformation to a keyboard short cut:
SetOptions[
EvaluationNotebook[],
StyleDefinitions -> Notebook[
Cell[StyleData[StyleDefinitions->"Default.nb"]],
Cell[StyleData["Input"],
CellEventActions ->
"KeyDown","y" :> If[CurrentValue["ControlKey"],
NotebookWrite[
EvaluationCell[],
With[read=NotebookRead[EvaluationCell[]],
Cell[
ReplaceAll[
First[read],
RuleDelayed[
RowBox[head_,"[",RowBox["[",part_,"]"],"]"],
RowBox[head,"[LeftDoubleBracket]",part,"[RightDoubleBracket]"]
]
],
Sequence@@Rest[read]
]
]
];
SelectionMove[EvaluationNotebook[],Before,CellContents];
SelectionMove[EvaluationNotebook[],After,CellContents]
],
PassEventsDown->True
]
,
StyleDefinitions->"PrivateStylesheetFormatting.nb"
]
]
Using the short cut ctrl + y will convert [[
and ]]
to the double bracketing bar versions.
$endgroup$
Here is a stylesheet solution modeled after Lucas' answer, except that I use CellEventActions
to tie the transformation to a keyboard short cut:
SetOptions[
EvaluationNotebook[],
StyleDefinitions -> Notebook[
Cell[StyleData[StyleDefinitions->"Default.nb"]],
Cell[StyleData["Input"],
CellEventActions ->
"KeyDown","y" :> If[CurrentValue["ControlKey"],
NotebookWrite[
EvaluationCell[],
With[read=NotebookRead[EvaluationCell[]],
Cell[
ReplaceAll[
First[read],
RuleDelayed[
RowBox[head_,"[",RowBox["[",part_,"]"],"]"],
RowBox[head,"[LeftDoubleBracket]",part,"[RightDoubleBracket]"]
]
],
Sequence@@Rest[read]
]
]
];
SelectionMove[EvaluationNotebook[],Before,CellContents];
SelectionMove[EvaluationNotebook[],After,CellContents]
],
PassEventsDown->True
]
,
StyleDefinitions->"PrivateStylesheetFormatting.nb"
]
]
Using the short cut ctrl + y will convert [[
and ]]
to the double bracketing bar versions.
answered Apr 9 at 7:42
Carl WollCarl Woll
73.7k398192
73.7k398192
add a comment |
add a comment |
$begingroup$
It's maybe not exactly what you want but you can always select the cell, expression, or part of it ( Ctrl-. is helpful for this ) and then do Ctrl-Shift-n to change the selection to Standard Form. This includes the changes to [[ and ]] and doesn't require any set up or customisation.
$endgroup$
add a comment |
$begingroup$
It's maybe not exactly what you want but you can always select the cell, expression, or part of it ( Ctrl-. is helpful for this ) and then do Ctrl-Shift-n to change the selection to Standard Form. This includes the changes to [[ and ]] and doesn't require any set up or customisation.
$endgroup$
add a comment |
$begingroup$
It's maybe not exactly what you want but you can always select the cell, expression, or part of it ( Ctrl-. is helpful for this ) and then do Ctrl-Shift-n to change the selection to Standard Form. This includes the changes to [[ and ]] and doesn't require any set up or customisation.
$endgroup$
It's maybe not exactly what you want but you can always select the cell, expression, or part of it ( Ctrl-. is helpful for this ) and then do Ctrl-Shift-n to change the selection to Standard Form. This includes the changes to [[ and ]] and doesn't require any set up or customisation.
answered Apr 10 at 6:11
John JowettJohn Jowett
1817
1817
add a comment |
add a comment |
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3
$begingroup$
Do you really want that when writing
func[func2[arg]]
? I changed KeyEventTranslations.tr to have<kbd>Alt gr</kbd>+<kbd>i</kbd>/<kbd>o</kbd>
.$endgroup$
– Coolwater
Apr 7 at 19:04
$begingroup$
Yes, this is part of the problem. Ideally it would only happen after you have typed the matching
[[
, but more than likely it needs to be done at shift-enter at the earliest. For[[
the problem is simpler because there is no time when you would type[[
except for as part of aPart
expression.$endgroup$
– Carl Lange
Apr 7 at 19:05
1
$begingroup$
closely related: 98175
$endgroup$
– Kuba♦
Apr 7 at 20:50
1
$begingroup$
Related using KeyEventTranslations 5221
$endgroup$
– Rohit Namjoshi
Apr 7 at 21:41
$begingroup$
Unless @Kuba or another mod overrules, I will leave this open as I am asking how to do it as-I-work rather than afterwards, but the questions are certainly strongly related.
$endgroup$
– Carl Lange
Apr 7 at 21:42