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Add custom macro editor for KaTeX plugin (#5933)

* Add custom macro editor for KaTeX plugin

* Use list

* Better escape

* Tweaks

* Remove const

* Catch bad macros

* Capitalize tags

* Name KaTeX-macro tiddlers properly

* UI tweaks

* Move input string to temp

* Improve UI; import macros using LaTeX cmd directly
This commit is contained in:
Jieao Song 2021-09-10 22:28:13 +02:00 committed by GitHub
parent 7282ec5286
commit 62610f0666
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4 changed files with 174 additions and 2 deletions

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@ -0,0 +1,17 @@
title: $:/plugins/tiddlywiki/katex/config
<div class="tc-control-panel">
<$list filter="[all[shadows+tiddlers]tag[$:/tags/KaTeX/Config]!has[draft.of]]">
<div>
!! <$link><$transclude field="caption"/></$link>
<$transclude>
</div>
</$list>
</div>

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@ -2,6 +2,6 @@
"title": "$:/plugins/tiddlywiki/katex",
"name": "KaTeX",
"description": "KaTeX library for mathematical typography",
"list": "readme usage",
"list": "readme usage config",
"library-version": "v0.12.0"
}

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@ -0,0 +1,137 @@
title: $:/plugins/tiddlywiki/katex/ui/config/macro
tags: $:/tags/KaTeX/Config
caption: Custom macro editor
\define katex-escape(text)
<$vars t=$text$>
<$latex text={{{[<t>search-replace:g:regexp[(?<!\\)#(\d)],[{\#_$1}]]}}}>
</$vars>
\end
\define katex-create-macro()
<$vars loc={{$:/temp/katex/new-macro-name}}>
<$action-createtiddler $basetitle={{{[<loc>addprefix[$:/plugins/tiddlywiki/katex/macros/]]}}} tags="$:/tags/KaTeX/Macro" type="text/plain" caption={{$:/temp/katex/new-macro-name}} text={{$:/temp/katex/new-macro-command}} $overwrite=yes/>
</$vars>
\end
\define katex-edit-cell()
<$reveal state="$:/temp/katex/edit-macro" type=match text={{!!title}}>
<$edit-text tiddler=<<currentTiddler>> tag="input" default=""/>
</$reveal>
\end
\define katex-view-cell()
<$reveal state="$:/temp/katex/edit-macro" type=nomatch text={{!!title}}>
<tt><$view field=text/></tt>
</$reveal>
\end
\define katex-edit-macro-button()
<$reveal state="$:/temp/katex/edit-macro" type=nomatch text={{!!title}}>
<$button class="tc-btn-invisible tc-btn-dropdown">
<$action-setfield $tiddler="$:/temp/katex/edit-macro" text={{!!title}}/>
{{$:/core/images/edit-button}}
</$button>
</$reveal>
\end
\define katex-save-macro-button()
<$reveal state="$:/temp/katex/edit-macro" type=match text={{!!title}}>
<$button class="tc-btn-invisible tc-btn-dropdown">
<$action-deletetiddler $tiddler="$:/temp/katex/edit-macro"/>
{{$:/core/images/done-button}}
</$button>
</$reveal>
\end
<table>
<tr>
<th>Macro</th>
<th>Command</th>
<th>Preview</th>
<th></th>
</tr>
<$list filter="[all[shadows+tiddlers]tag[$:/tags/KaTeX/Macro]!has[draft.of]sort[caption]]">
<tr>
<td><tt><$text text={{!!caption}}/></tt></td>
<td><<katex-edit-cell>><<katex-view-cell>></td>
<td><<katex-escape {{!!text}}>></td>
<td>
<<katex-edit-macro-button>>
<<katex-save-macro-button>>
<$button class="tc-btn-invisible tc-btn-dropdown">
<$action-deletetiddler $tiddler={{!!title}}/>
{{$:/core/images/delete-button}}
</$button>
</td>
</tr>
</$list>
<tr>
<td colspan="4" align="left">Add a new macro</td>
</tr>
<tr>
<td><$edit-text tiddler="$:/temp/katex/new-macro-name" tag="input" default=""/></td>
<td><$edit-text tiddler="$:/temp/katex/new-macro-command" tag="input" default=""/></td>
<td><<katex-escape {{$:/temp/katex/new-macro-command}}>></td>
<td><$button actions=<<katex-create-macro>>>
{{$:/language/EditTemplate/Fields/Add/Button}}
</$button></td>
</tr>
<tr><td colspan="4" align="left">
<details>
<summary>Import</summary>
<$edit-text tiddler="$:/temp/katex/import-macro" tag="textarea" default="" class="tc-edit-texteditor" placeholder="You can type commands like \def\ZZ{\mathbb{Z}} and import them automatically."/>
<$vars macros={{$:/temp/katex/import-macro}} sep="%.*\n|\n+" re="^\\g?def([^{]*){(.*)}.*">
<$button>
<$list filter="[<macros>splitregexp<sep>regexp<re>]" variable=line>
<$vars m={{{[<line>search-replace:g:regexp<re>,[$1]]}}} c={{{[<line>search-replace:g:regexp<re>,[$2]]}}}>
<$action-createtiddler $basetitle={{{[<m>addprefix[$:/plugins/tiddlywiki/katex/macros/]]}}} tags="$:/tags/KaTeX/Macro" type="text/plain" caption=<<m>> text=<<c>> $overwrite=yes/>
</$vars>
</$list>
Import
</$button>
<$button>
<$action-setfield $tiddler="$:/temp/katex/import-macro" text=""/>
Clear
</$button>
''Preview''
<table>
<$list filter="[<macros>splitregexp<sep>regexp<re>]" variable=line>
<$vars m={{{[<line>search-replace:g:regexp<re>,[$1]]}}} c={{{[<line>search-replace:g:regexp<re>,[$2]]}}}>
<tr>
<td><tt><<m>></tt></td>
<td><tt><<c>></tt></td>
<td><$macrocall $name=katex-escape text="<<c>>"/></td></tr>
</$vars>
</$list>
</table>
</$vars>
</details>
</td>
</tr>
<tr><td colspan="4" align="left">
<details>
<summary>Usage</summary>
<ul>
<li>
You can add entries like `\ZZ`, `\mathbb{Z}`, which will render as <$latex text="\mathbb{Z}"/>.
</li>
<li>
An entry mapping `\dd#1#2` to `\frac{d#1}{d#2}` will create a macro with two arguments; `\dd{f}{x}` will then render as <$latex text="\frac{df}{dx}"/>.
</li>
<li>
Note that the macros defined here have higher priority than those defined using `\gdef`. Also, deleted macros will continue to exist until a full refresh.
</li>
</ul>
</details>
</td>
</tr>
</table>

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@ -16,6 +16,23 @@ var katex = require("$:/plugins/tiddlywiki/katex/katex.min.js"),
chemParse = require("$:/plugins/tiddlywiki/katex/mhchem.min.js"),
Widget = require("$:/core/modules/widgets/widget.js").widget;
katex.macros = {};
katex.updateMacros = function() {
var tiddlers = $tw.wiki.getTiddlersWithTag("$:/tags/KaTeX/Macro"),
regex = /#\d/g, // Remove the arguments like #1#2
tid, macro, cmd;
for (var i=0; i < tiddlers.length; i++) {
tid = $tw.wiki.getTiddler(tiddlers[i]);
try {
macro = tid.fields["caption"];
macro = macro.replace(regex, "");
cmd = tid.fields["text"];
katex.macros[macro] = cmd;
} catch(ex) {// Catch the bad ones
};
};
};
var KaTeXWidget = function(parseTreeNode,options) {
this.initialise(parseTreeNode,options);
};
@ -36,9 +53,10 @@ KaTeXWidget.prototype.render = function(parent,nextSibling) {
// Get the source text
var text = this.getAttribute("text",this.parseTreeNode.text || "");
var displayMode = this.getAttribute("displayMode",this.parseTreeNode.displayMode || "false") === "true";
katex.updateMacros();
// Render it into a span
var span = this.document.createElement("span"),
options = {throwOnError: false, displayMode: displayMode};
options = {throwOnError: false, displayMode: displayMode, macros: katex.macros};
try {
if(!this.document.isTiddlyWikiFakeDom) {
katex.render(text,span,options);