Update export button to use tiddler title as filename base

core/templates/exporters/CsvFile.tid

@@ -1,7 +1,7 @@
 title: $:/core/templates/exporters/CsvFile
 tags: $:/tags/Exporter
 description: {{$:/language/Exporters/CsvFile}}
-filename: tiddlers.csv
+extension: .csv
 
 \define renderContent()
 <$text text=<<csvtiddlers filter:"""$(exportFilter)$""" format:"quoted-comma-sep">>/>

core/templates/exporters/JsonFile.tid

@@ -1,7 +1,7 @@
 title: $:/core/templates/exporters/JsonFile
 tags: $:/tags/Exporter
 description: {{$:/language/Exporters/JsonFile}}
-filename: tiddlers.json
+extension: .json
 
 \define renderContent()
 <$text text=<<jsontiddlers filter:"""$(exportFilter)$""">>/>

core/templates/exporters/StaticRiver.tid

@@ -1,7 +1,7 @@
 title: $:/core/templates/exporters/StaticRiver
 tags: $:/tags/Exporter
 description: {{$:/language/Exporters/StaticRiver}}
-filename: static.tiddlers.html
+extension: .html
 
 \define tv-wikilink-template() #$uri_encoded$
 \define tv-config-toolbar-icons() no

core/templates/exporters/TidFile.tid

@@ -1,7 +1,7 @@
 title: $:/core/templates/exporters/TidFile
 tags: $:/tags/Exporter
 description: {{$:/language/Exporters/TidFile}}
-filename: tiddler.tid
+extension: .tid
 
 \define renderContent()
 {{{ $(exportFilter)$ +[limit[1]] ||$:/core/templates/tid-tiddler}}}

core/ui/ViewToolbar/export-tiddler.tid

@@ -6,4 +6,4 @@ description: {{$:/language/Buttons/ExportTiddler/Hint}}
 \define makeExportFilter()
 [[$(currentTiddler)$]]
 \end
-<$macrocall $name="exportButton" exportFilter=<<makeExportFilter>> lingoBase="$:/language/Buttons/ExportTiddler/"/>
+<$macrocall $name="exportButton" exportFilter=<<makeExportFilter>> lingoBase="$:/language/Buttons/ExportTiddler/" baseFilename=<<currentTiddler>>/>

core/wiki/macros/export.tid

@@ -1,7 +1,11 @@
 title: $:/core/macros/export
 tags: $:/tags/Macro
 
-\define exportButton(exportFilter:"[!is[system]sort[title]]",lingoBase)
+\define exportButtonFilename(baseFilename)
+$baseFilename$$(extension)$
+\end
+
+\define exportButton(exportFilter:"[!is[system]sort[title]]",lingoBase,baseFilename:"tiddlers")
 <span class="tc-popup-keep">
 <$button popup=<<qualify "$:/state/popup/export">> tooltip={{$lingoBase$Hint}} aria-label={{$lingoBase$Caption}} class=<<tv-config-toolbar-class>> selectedClass="tc-selected">
 <$list filter="[<tv-config-toolbar-icons>prefix[yes]]">
@@ -15,9 +19,9 @@ tags: $:/tags/Macro
 <$reveal state=<<qualify "$:/state/popup/export">> type="popup" position="below" animate="yes">
 <div class="tc-drop-down">
 <$list filter="[all[shadows+tiddlers]tag[$:/tags/Exporter]]">
-<$set name="filename" value={{!!filename}}>
+<$set name="extension" value={{!!extension}}>
 <$button class="tc-btn-invisible">
-<$action-sendmessage $message="tm-download-file" $param=<<currentTiddler>> exportFilter="""$exportFilter$""" filename=<<filename>>/>
+<$action-sendmessage $message="tm-download-file" $param=<<currentTiddler>> exportFilter="""$exportFilter$""" filename=<<exportButtonFilename """$baseFilename$""">>/>
 <$action-deletetiddler $tiddler=<<qualify "$:/state/popup/export">>/>
 <$transclude field="description"/>
 </$button>