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The objective is to add a $depth attribute so that it is possible to reach up to retrieve the parameters of ancestor transclusions. However, doing so requires changing the encoding of parameter names so that it is not possible for a user parameter to clash with an attribute like $depth. So now we have to double up dollars on any attribute names seen by the parameters widget, just like with the transclude widget itself.
49 lines
2.7 KiB
Plaintext
49 lines
2.7 KiB
Plaintext
title: $:/core/ui/VisibleTransclude
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<!--
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Import this component to make all the child transclusions visible.
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Block transclusions are shown in red, and inline transclusions are shown in green.
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-->
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\widget $transclude
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<!-- Use a parameters widget so that we can access the `$params` data -->
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<$parameters tiddler="" $$tiddler="" mode="" $$mode="" $params="@params">
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<!-- Replicate the logic of the transclude widget to determine the output mode, and hence the tag and colour to use for output -->
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<$let
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mode={{{ [[$mode]is[variable]then<$mode>!is[blank]] :else[[mode]is[variable]then<mode>!is[blank]] :else[<parseAsInline>match[yes]then[inline]else[block]] }}}
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outputTag={{{ [<mode>match[inline]then[span]else[div]] }}}
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outputColour={{{ [<mode>match[inline]then[green]else[red]] }}}
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>
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<!-- Use divs or spans according to the mode -->
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<$genesis $type="element" $tag=<<outputTag>> style="color:white;padding:4px;" style.background=<<outputColour>>>
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<$genesis $type="element" $tag=<<outputTag>> style="display: inline-block;">
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<div style="background:white;color:black;font-size: 12px;line-height:1.2;text-align:left;font-weight:normal;padding:4px;margin:4px;">
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<!-- Render the parameters to the transclusion -->
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<$list filter="[<@params>jsonindexes[]]" emptyMessage="(none)">
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<div>
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<$text text=<<currentTiddler>>/><$text text=": "/><$text text={{{ [<@params>jsonget<currentTiddler>] }}}/>
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</div>
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</$list>
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</div>
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</$genesis>
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<$genesis $type="element" $tag=<<outputTag>> style="background:white;color:black;padding:4px;">
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<!-- Look for a parameter starting with $ to determine if we are in legacy mode -->
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<$list filter="[<@params>jsonindexes[]] :filter[<currentTiddler>prefix[$]] +[limit[1]]" variable="ignore" emptyMessage="""
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<!-- Legacy mode: we render the transclusion without a dollar sign for recursionMarker and mode -->
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<$genesis $type="transclude" $remappable="no" $names="[<@params>jsonindexes[]]" $values="[<@params>jsonindexes[]] :map[<@params>jsonget<currentTiddler>]" recursionMarker="no" mode=<<mode>>>
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<!-- Reach back up to the grandparent transclusion to get the correct slot value -->
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<$slot $name="ts-raw" $depth="2"/>
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</$genesis>
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""">
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<!-- Non-legacy mode: we use dollar signs for the recursionMarker and mode -->
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<$genesis $type="transclude" $remappable="no" $names="[<@params>jsonindexes[]]" $values="[<@params>jsonindexes[]] :map[<@params>jsonget<currentTiddler>]" $$recursionMarker="no" $$mode=<<mode>>>
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<!-- Reach back up to the grandparent transclusion to get the correct slot fill value -->
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<$slot $name="ts-raw" $depth="2"/>
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</$genesis>
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</$list>
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</$genesis>
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</$genesis>
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</$let>
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</$parameters>
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\end
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