1 ! Copyright (C) 2008, 2009 Slava Pestov.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: accessors arrays colors colors.constants fry kernel math
4 math.functions math.ranges math.rectangles math.order math.vectors
5 models.illusion namespaces opengl sequences ui.gadgets
6 ui.gadgets.scrollers ui.gadgets.status-bar ui.gadgets.worlds
7 ui.gestures ui.render ui.pens.solid ui.text ui.commands ui.images
8 ui.gadgets.menus ui.gadgets.line-support models
9 combinators combinators.short-circuit
10 fonts locals strings sorting ;
13 ! Row rendererer protocol
14 GENERIC: prototype-row ( renderer -- columns )
15 GENERIC: column-alignment ( renderer -- alignment )
16 GENERIC: filled-column ( renderer -- n )
17 GENERIC: column-titles ( renderer -- strings )
19 GENERIC: row-columns ( row renderer -- columns )
20 GENERIC: row-value ( row renderer -- object )
21 GENERIC: row-color ( row renderer -- color )
23 SINGLETON: trivial-renderer
25 M: object prototype-row drop { "" } ;
26 M: object column-alignment drop f ;
27 M: object filled-column drop f ;
28 M: object column-titles drop f ;
30 M: trivial-renderer row-columns drop ;
31 M: object row-value drop ;
32 M: object row-color 2drop f ;
34 TUPLE: table < line-gadget
35 { renderer initial: trivial-renderer }
36 { action initial: [ drop ] }
38 { hook initial: [ drop ] }
40 column-widths total-width
42 { mouse-color initial: COLOR: black }
45 selected-indices selected-values
48 { takes-focus? initial: t }
52 : in>out ( array -- val/f ) [ f ] [ first ] if-empty ;
53 : out>in ( val/f -- array ) [ 1array ] [ { } ] if* ;
58 M: table selected-value>> selected-values>> [ in>out ] <illusion> ;
59 M: table (>>selected-value) [ [ out>in ] <activated-illusion> ] dip (>>selected-values) ;
60 M: table selected-index>> selected-indices>> in>out ;
61 M: table (>>selected-index) [ out>in ] dip (>>selected-indices) ;
62 M: table selected-index*>> selected-indices*>> [ in>out ] <illusion> ;
63 M: table (>>selected-index*) [ [ out>in ] <activated-illusion> ] dip (>>selected-indices*) ;
66 : push-selected-index ( table n -- table ) 2dup swap selected-indices>> index
67 [ drop ] [ over selected-indices>> swap suffix natural-sort >>selected-indices ] if ;
69 : new-table ( rows renderer class -- table )
73 { } >>selected-indices
74 { } <model> >>selected-values
75 { } <model> >>selected-indices*
76 sans-serif-font >>font
77 focus-border-color >>focus-border-color
78 transparent >>column-line-color ; inline
80 : <table> ( rows renderer -- table ) table new-table ;
84 GENERIC: cell-width ( font cell -- x )
85 GENERIC: cell-height ( font cell -- y )
86 GENERIC: cell-padding ( cell -- y )
87 GENERIC: draw-cell ( font cell -- )
89 M: string cell-width text-width ;
90 M: string cell-height text-height ceiling ;
91 M: string cell-padding drop 0 ;
92 M: string draw-cell draw-text ;
94 CONSTANT: image-padding 2
96 M: image-name cell-width nip image-dim first ;
97 M: image-name cell-height nip image-dim second ;
98 M: image-name cell-padding drop image-padding ;
99 M: image-name draw-cell nip draw-image ;
101 : table-rows ( table -- rows )
102 [ control-value ] [ renderer>> ] bi '[ _ row-columns ] map ;
104 : column-offsets ( widths gap -- x xs )
105 [ 0 ] dip '[ _ + + ] accumulate ;
107 CONSTANT: column-title-background COLOR: light-gray
109 : column-title-font ( font -- font' )
110 column-title-background font-with-background t >>bold? ;
112 : initial-widths ( table rows -- widths )
113 over renderer>> column-titles dup
114 [ [ drop font>> ] dip [ text-width ] with map ]
115 [ drop nip first length 0 <repetition> ]
118 : row-column-widths ( table row -- widths )
119 [ font>> ] dip [ [ cell-width ] [ cell-padding ] bi + ] with map ;
121 : compute-total-width ( gap widths -- total )
122 swap [ column-offsets drop ] keep - ;
124 : compute-column-widths ( table -- total widths )
125 dup table-rows [ drop 0 { } ] [
126 [ drop gap>> ] [ initial-widths ] [ ] 2tri
127 [ row-column-widths vmax ] with each
128 [ compute-total-width ] keep
131 : update-cached-widths ( table -- )
132 dup compute-column-widths
133 [ >>total-width ] [ >>column-widths ] bi*
136 : filled-column-width ( table -- n )
137 [ dim>> first ] [ total-width>> ] bi [-] ;
139 : update-filled-column ( table -- )
140 [ filled-column-width ]
141 [ renderer>> filled-column ]
142 [ column-widths>> ] tri
144 [ [ + ] change-nth ] [ 3drop ] if ;
147 [ update-cached-widths ] [ update-filled-column ] bi ;
149 : row-rect ( table row -- rect )
150 [ [ line-height ] dip * 0 swap 2array ]
151 [ drop [ dim>> first ] [ line-height ] bi 2array ] 2bi <rect> ;
153 : row-bounds ( table row -- loc dim )
154 row-rect rect-bounds ; inline
156 : draw-selected-rows ( table -- )
158 { [ dup selected-indices>> empty? ] [ drop ] }
160 [ selected-indices>> ] [ selection-color>> gl-color ] [ ] tri
161 [ swap row-bounds gl-fill-rect ] curry each
165 : draw-focused-row ( table -- )
167 { [ dup focused?>> not ] [ drop ] }
168 { [ dup selected-index>> not ] [ drop ] }
170 [ ] [ selected-index>> ] [ focus-border-color>> gl-color ] tri
175 : draw-moused-row ( table -- )
176 dup mouse-index>> dup [
177 over mouse-color>> gl-color
181 : column-line-offsets ( table -- xs )
182 [ column-widths>> ] [ gap>> ] bi
183 [ column-offsets nip [ f ] ]
184 [ 2/ '[ rest-slice [ _ - ] map ] ]
187 : draw-column-lines ( table -- )
188 [ column-line-color>> gl-color ]
190 [ column-line-offsets ] [ dim>> second ] bi
191 '[ [ 0 2array ] [ _ 2array ] bi gl-line ] each
194 :: column-loc ( font column width align -- loc )
195 font column cell-width width swap - align * column cell-padding 2 / 1 align - * +
196 font column cell-height \ line-height get swap - 2 /
197 [ >integer ] bi@ 2array ;
199 : translate-column ( width gap -- )
200 + 0 2array gl-translate ;
202 : draw-column ( font column width align gap -- )
205 [ 2dup ] 2dip column-loc
206 [ draw-cell ] with-translation
208 ] dip translate-column ;
210 : table-column-alignment ( table -- seq )
211 dup renderer>> column-alignment
212 [ ] [ column-widths>> length 0 <repetition> ] ?if ;
214 :: row-font ( row ind table -- font )
216 row table renderer>> row-color [ >>foreground ] when*
217 ind table selected-indices>> index [ table selection-color>> >>background ] when ;
219 : draw-columns ( columns widths alignment font gap -- )
220 '[ [ _ ] 3dip _ draw-column ] 3each ;
222 M: table draw-line ( row index table -- )
225 [ renderer>> row-columns ]
227 [ table-column-alignment ]
234 M: table draw-gadget*
235 dup control-value empty? [ drop ] [
236 dup line-height \ line-height [
238 [ draw-selected-rows ]
240 [ draw-column-lines ]
247 M: table line-height ( table -- y )
248 [ font>> ] [ renderer>> prototype-row ] bi
249 [ [ cell-height ] [ cell-padding ] bi + ] with
253 [ compute-column-widths drop ] keep
254 [ line-height ] [ control-value length ] bi * 2array ;
256 : nth-row ( row table -- value/f ? )
257 over [ control-value nth t ] [ 2drop f f ] if ;
261 : (selected-rows) ( table -- {row} )
262 [ selected-indices>> ] keep
263 [ nth-row [ 1array ] [ drop { } ] if ] curry map concat ;
265 : selected-rows ( table -- {value} )
266 [ (selected-rows) ] [ renderer>> ] bi [ row-value ] curry map ;
268 : multiple>single ( values -- value/f ? ) [ f f ] [ first t ] if-empty ;
269 : (selected-row) ( table -- value/f ? ) (selected-rows) multiple>single ;
270 : selected-row ( table -- value/f ? ) selected-rows multiple>single ;
274 : update-selected-values ( table -- )
275 [ [ selected-rows ] [ selected-values>> ] bi set-model ]
276 [ [ selected-indices>> ] [ selected-indices*>> ] bi set-model ] bi ;
278 : show-row-summary ( table n -- )
280 [ swap [ renderer>> row-value ] keep show-summary ]
284 : hide-mouse-help ( table -- )
285 f >>mouse-index [ hide-status ] [ relayout-1 ] bi ;
287 : find-row-index ( value table -- n/f )
288 [ model>> value>> ] [ renderer>> '[ _ row-value ] map index ] bi ;
290 : initial-selected-indices ( table -- {n}/f )
292 [ model>> value>> empty? not ]
293 [ selection-required?>> ]
297 : (update-selected-indices) ( table -- {n}/f )
298 [ selected-values>> value>> ] keep
299 [ find-row-index ] curry map [ ] filter [ f ] when-empty ;
301 : update-selected-indices ( table -- {n}/f )
303 [ (update-selected-indices) ]
304 [ initial-selected-indices ]
307 M: table model-changed
308 nip dup update-selected-indices [ { } ] unless* {
309 [ >>selected-indices f >>mouse-index drop ]
310 [ [ f ] [ first ] if-empty show-row-summary ]
311 [ drop update-selected-values ]
315 : thin-row-rect ( table row -- rect )
316 row-rect [ { 0 1 } v* ] change-dim ;
318 : scroll-to-row ( table n -- )
319 dup [ [ thin-row-rect ] [ drop ] 2bi scroll>rect ] [ 2drop ] if ;
321 : add-selected-row ( table n -- )
323 [ push-selected-index relayout-1 ] 2bi ;
325 : (select-row) ( table n -- )
327 [ >>selected-index relayout-1 ]
330 : mouse-row ( table -- n )
331 [ hand-rel second ] keep y>line ;
333 : if-mouse-row ( table true: ( mouse-index table -- ) false: ( table -- ) -- )
334 [ [ mouse-row ] keep 2dup valid-line? ]
335 [ ] [ '[ nip @ ] ] tri* if ; inline
337 : (table-button-down) ( quot table -- )
338 dup takes-focus?>> [ dup request-focus ] when swap
339 '[ swap [ >>mouse-index ] _ bi ] [ drop ] if-mouse-row ; inline
341 : table-button-down ( table -- ) [ (select-row) ] swap (table-button-down) ;
342 : continued-button-down ( table -- ) dup multiple-selection?>> [ [ add-selected-row ] swap (table-button-down) ] [ table-button-down ] if ;
343 : thru-button-down ( table -- ) dup multiple-selection?>> [
344 [ 2dup over selected-index>> (a,b) swap
345 [ swap push-selected-index drop ] curry each add-selected-row ]
346 swap (table-button-down) ] [ table-button-down ] if ;
350 : row-action ( table -- )
352 [ swap [ action>> call( value -- ) ] [ dup hook>> call( table -- ) ] bi ]
356 : row-action? ( table -- ? )
357 [ [ mouse-row ] keep valid-line? ]
358 [ single-click?>> hand-click# get 2 = or ] bi and ;
362 : table-button-up ( table -- )
363 dup row-action? [ row-action ] [ update-selected-values ] if ;
367 : select-row ( table n -- )
370 [ drop update-selected-values ]
376 : prev/next-row ( table n -- )
377 [ dup selected-index>> ] dip '[ _ + ] [ 0 ] if* select-row ;
379 : previous-row ( table -- )
382 : next-row ( table -- )
385 : first-row ( table -- )
388 : last-row ( table -- )
389 dup control-value length 1- select-row ;
391 : prev/next-page ( table n -- )
392 over visible-lines 1- * prev/next-row ;
394 : previous-page ( table -- )
397 : next-page ( table -- )
400 : show-mouse-help ( table -- )
403 [ >>mouse-index relayout-1 ]
406 ] [ hide-mouse-help ] if-mouse-row ;
408 : show-table-menu ( table -- )
414 [ renderer>> row-value ]
419 ] [ drop ] if-mouse-row ;
421 : focus-table ( table -- ) t >>focused? relayout-1 ;
423 : unfocus-table ( table -- ) f >>focused? relayout-1 ;
426 { mouse-enter show-mouse-help }
427 { mouse-leave hide-mouse-help }
428 { motion show-mouse-help }
429 { T{ button-down f { S+ } 1 } thru-button-down }
430 { T{ button-down f { A+ } 1 } continued-button-down }
431 { T{ button-up } table-button-up }
432 { T{ button-up f { S+ } } table-button-up }
433 { T{ button-down } table-button-down }
434 { gain-focus focus-table }
435 { lose-focus unfocus-table }
436 { T{ drag } table-button-down }
440 { T{ button-down f f 3 } show-table-menu }
441 { T{ key-down f f "RET" } row-action }
442 { T{ key-down f f "UP" } previous-row }
443 { T{ key-down f f "DOWN" } next-row }
444 { T{ key-down f f "HOME" } first-row }
445 { T{ key-down f f "END" } last-row }
446 { T{ key-down f f "PAGE_UP" } previous-page }
447 { T{ key-down f f "PAGE_DOWN" } next-page }
450 TUPLE: column-headers < gadget table ;
452 : <column-headers> ( table -- gadget )
455 column-title-background <solid> >>interior ;
457 : draw-column-titles ( table -- )
458 dup font>> font-metrics height>> \ line-height [
460 [ renderer>> column-titles ]
462 [ table-column-alignment ]
463 [ font>> column-title-font ]
469 M: column-headers draw-gadget*
470 table>> draw-column-titles ;
472 M: column-headers pref-dim*
473 table>> [ pref-dim first ] [ font>> "" text-height ] bi 2array ;
475 M: table viewport-column-header
476 dup renderer>> column-titles
477 [ <column-headers> ] [ drop f ] if ;