49 lines
1.8 KiB
Factor
49 lines
1.8 KiB
Factor
USING: accessors arrays delegate delegate.protocols
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io.pathnames kernel locals sequences
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vectors make strings ui.frp.signals ui.frp.gadgets
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sequences.extras ;
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IN: file-trees
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TUPLE: walkable-vector vector father ;
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CONSULT: sequence-protocol walkable-vector vector>> ;
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M: walkable-vector set-nth [ vector>> set-nth ] 3keep nip
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father>> swap children>> vector>> push ;
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TUPLE: tree node comment children ;
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CONSULT: sequence-protocol tree children>> ;
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: file? ( tree -- ? ) children>> [ node>> ".." = not ] filter empty? ;
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: <dir-tree> ( {start,comment} -- tree ) first2 walkable-vector new vector new >>vector
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[ tree boa dup children>> ] [ ".." -rot tree boa ] 2bi swap (>>father) ;
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DEFER: (tree-insert)
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: tree-insert ( path tree -- ) [ unclip <dir-tree> ] [ children>> ] bi* (tree-insert) ;
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:: (tree-insert) ( path-rest path-head tree-children -- )
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tree-children [ node>> path-head node>> = ] find nip
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[ path-rest swap tree-insert ]
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[
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path-head tree-children push
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path-rest [ path-head tree-insert ] unless-empty
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] if* ;
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: add-paths ( pathseq -- {{name,path}} )
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"" [ [ "/" glue dup ] keep swap 2array , ] [ reduce drop ] f make ;
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: go-to-path ( path tree -- tree' ) over empty? [ nip ]
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[ [ unclip ] [ children>> ] bi* swap [ swap node>> = ] curry find nip go-to-path ] if ;
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: find-root ( pathseq -- root ) dup flip
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[ [ dupd = [ ] [ drop f ] if ] reduce1 ] find-last drop
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[ first ] dip head-slice >string path-components ;
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: create-tree ( file-list -- tree ) [ find-root ]
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[ [ path-components add-paths ] map { "/" "/" } <dir-tree> [ [ tree-insert ] curry each ] keep ] bi
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go-to-path ;
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: <dir-table> ( tree-model -- table )
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<frp-list*> [ node>> 1array ] >>quot
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[ selected-value>> [ file? not ] <filter> swap <switch> ]
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[ swap >>model ] bi ; |