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* Improve Filter Syntax documentaion / navigation * update links and missing diagrams * rename legacy prefix to shortcut prefix * Update editions/tw5.com/tiddlers/filters/Filter Operators.tid Co-authored-by: yaisog <m@rcuswinter.de> * Update editions/tw5.com/tiddlers/filters/syntax/And Filter Run Prefix.tid Co-authored-by: yaisog <m@rcuswinter.de> * Update editions/tw5.com/tiddlers/filters/syntax/Sort Filter Run Prefix.tid Co-authored-by: yaisog <m@rcuswinter.de> * Update editions/tw5.com/tiddlers/filters/syntax/Sort Filter Run Prefix.tid Co-authored-by: yaisog <m@rcuswinter.de> * Update editions/tw5.com/tiddlers/filters/syntax/Sort Filter Run Prefix.tid Co-authored-by: yaisog <m@rcuswinter.de> * Update editions/tw5.com/tiddlers/filters/syntax/Cascade Filter Run Prefix.tid Co-authored-by: yaisog <m@rcuswinter.de> * Update editions/tw5.com/tiddlers/filters/syntax/And Filter Run Prefix.tid Co-authored-by: yaisog <m@rcuswinter.de> * add most changes a suggested by yaisog * fix copy / paste from-version * replace operand with parameter in the docs * fix typo * fix typos and improve railroad diagrams consistency * move "new from version" info for filter run prefixes below the table * fix typo transclusion and substitution * Move Filters tiddler to the top level in the TOC * wip-breadcrumbs * breadcrumbs & breadcrumbsList macro final * remove files that do not belong to this PR * restore release banner * add simple / story mode to breadcrumbs * .breadcrumbs macro update comments * new breadcrumbs CSS, woks with small screens * make CSS configurable using hidden-settings * improve CSS fro small screens * remove the initial: recursiveParentTag macro * improve location info for breadcrumbs nav. add "alt-text" for Edge ::after element * breadcrumbs add mode=field * bc add initial docs * breadcrumbsField will also respect the story ordering * add configurable global filterMode setting * improve arrow CSS for browser zooming * add bc links use bc-caption if caption field is non-empty * breadcrumbs improve comments * breadcrumbs aria-lable uses caption if there is one * breadcrumbs improve documentation * breadcrumbs improve docs for sort param * fix showArrows docs * remove .bc-link aria-label .. it's not needed if caption is resolved properly * use subfilter instead of enlist to evaluate the "excluded" variable. Be consistent with toc-macros * remove breadcrumbs macros - they have their own PR now * resolve conflict * add back doc-macros tiddler * integrate :then filter run prefix * remove .breadcrumbs macros and their config tiddlers * fix typos as requested --------- Co-authored-by: yaisog <m@rcuswinter.de>
31 lines
1.4 KiB
Plaintext
31 lines
1.4 KiB
Plaintext
created: 20181031175129475
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modified: 20211030223407188
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tags: [[subfilter Operator]] [[Operator Examples]]
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title: subfilter Operator (Examples)
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type: text/vnd.tiddlywiki
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\define recent-mods() [has[modified]!sort[modified]limit[5]]
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\define display-variable(name)
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''<$text text=<<__name__>>/>'': <code><$text text={{{ [<__name__>getvariable[]] }}}/></code>
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\end
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Literal filter parameters can be used, but such cases are better rewritten without using <<.op subfilter>>:
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<<.operator-example 1 "[subfilter[one two three]addsuffix[!]]" "same as `one two three +[addsuffix[!]]`">>
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The <<.op subfilter>> operator can be used to dynamically define parts of a [[filter run|Filter Run]]. This is useful for sharing a common pieces of a filter across multiple filters.
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For example, this variable:
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* <<display-variable recent-mods>>
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can be used in one filter like this:
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<<.operator-example 2 "[tag[Filter Operators]subfilter<recent-mods>addsuffix[!]]" "same as `[tag[Filter Operators]has[modified]!sort[modified]limit[5]addsuffix[!]]`">>
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and in another similar filter like this:
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<<.operator-example 3 "[tag[ActionWidgets]subfilter<recent-mods>addprefix[!]]">>
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Variables are not the only way to define dynamic subfilters. [[Text references|TextReference]] can be used to load a subfilter from a tiddler field (see also [[Filter Parameter]]):
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<<.operator-example 4 "[subfilter{$:/StoryList!!list}limit[5]]">>
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<<.operator-example 5 "[subfilter{$:/StoryList!!list}subfilter<recent-mods>]">>
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