author | Claus Gittinger <cg@exept.de> |
Sat, 20 Jun 2009 10:47:07 +0200 | |
changeset 3901 | 113dd960ba11 |
parent 3760 | 96d214ff4395 |
child 4019 | bf57f58f13a8 |
permissions | -rw-r--r-- |
3518 | 1 |
" |
2 |
COPYRIGHT (c) 1989 by Claus Gittinger |
|
3 |
All Rights Reserved |
|
4 |
||
5 |
This software is furnished under a license and may be used |
|
6 |
only in accordance with the terms of that license and with the |
|
7 |
inclusion of the above copyright notice. This software may not |
|
8 |
be provided or otherwise made available to, or used by, any |
|
9 |
other person. No title to or ownership of the software is |
|
10 |
hereby transferred. |
|
11 |
" |
|
12 |
"{ Package: 'stx:libwidg' }" |
|
13 |
||
14 |
PanelView subclass:#MultiColumnPanelView |
|
15 |
instanceVariableNames:'columnWidths' |
|
16 |
classVariableNames:'' |
|
17 |
poolDictionaries:'' |
|
18 |
category:'Views-Layout' |
|
19 |
! |
|
20 |
||
21 |
!MultiColumnPanelView class methodsFor:'documentation'! |
|
22 |
||
23 |
copyright |
|
24 |
" |
|
25 |
COPYRIGHT (c) 1989 by Claus Gittinger |
|
26 |
All Rights Reserved |
|
27 |
||
28 |
This software is furnished under a license and may be used |
|
29 |
only in accordance with the terms of that license and with the |
|
30 |
inclusion of the above copyright notice. This software may not |
|
31 |
be provided or otherwise made available to, or used by, any |
|
32 |
other person. No title to or ownership of the software is |
|
33 |
hereby transferred. |
|
34 |
" |
|
35 |
! |
|
36 |
||
37 |
documentation |
|
38 |
" |
|
39 |
a View which arranges its child-views in a vertical column. |
|
40 |
All real work is done in PanelView - except the layout computation is |
|
41 |
redefined here. |
|
42 |
||
43 |
The layout is controlled by the instance variables: |
|
44 |
horizontalLayout and verticalLayout |
|
45 |
in addition to |
|
46 |
horizontalSpace and verticalSpace. |
|
47 |
||
48 |
The vertical layout can be any of: |
|
49 |
||
50 |
#top arrange elements at the top |
|
51 |
#topSpace arrange elements at the top, start with spacing |
|
52 |
#bottom arrange elements at the bottom |
|
53 |
#bottomSpace arrange elements at the bottom, start with spacing |
|
54 |
#center arrange elements in the center; ignore verticalSpace |
|
55 |
#spread spread elements evenly; ignore verticalSpace |
|
56 |
#spreadSpace spread elements evenly with spacing at ends; ignore verticalSpace |
|
57 |
#fit like #spread, but resize elements for tight packing; ignore verticalSpace |
|
58 |
#fitSpace like #fit, with spacing; ignore verticalSpace |
|
59 |
#topFit like #top, but resize the last element to fit |
|
60 |
#topSpaceFit like #topSpace, but resize the last element to fit |
|
61 |
#bottomFit like #bottom, but resize the first element to fit |
|
62 |
#bottomSpaceFit like #bottomSpace, but resize the first element to fit |
|
63 |
||
64 |
the horizontal layout can be: |
|
65 |
||
66 |
#left place element at the left |
|
67 |
#leftSpace place element at the left, offset by horizontalSpace |
|
68 |
#center place elements horizontally centered; ignore horizontalSpace |
|
69 |
#right place it at the right |
|
70 |
#rightSpace place it at the right, offset by horizontalSpace |
|
71 |
#fit resize elements horizontally to fit this panel; ignore horizontalSpace |
|
72 |
#fitSpace like #fit, but add spacing; ignore horizontalSpace |
|
73 |
||
74 |
#leftMax like #left, but resize elements to max of them |
|
75 |
#leftSpaceMax like #leftSpace, but resize elements |
|
76 |
#centerMax like #center, but resize elements |
|
77 |
#rightMax like #right, but resize elements to max of them |
|
78 |
#rightSpaceMax like #rightSpace, but resize elements |
|
79 |
||
80 |
The defaults is #center for both directions. |
|
81 |
||
82 |
The layout is changed by the messages #verticalLayout: and #horizontalLayout:. |
|
83 |
For backward compatibility (to times, where only vLayout existed), the simple |
|
84 |
#layout: does the same as #verticalLayout:. Do not use this old method. |
|
85 |
||
86 |
The panel assumes, that the elements do not resize themselfes, after it |
|
87 |
became visible. This is not true for all widgets (buttons or labels may |
|
88 |
like to change). If you have changing elements, tell this to the panel |
|
89 |
with 'aPanel elementsChangeSize:true'. In that case, the panel will react |
|
90 |
to size changes, and reorganize things. |
|
91 |
||
92 |
If none of these layout/space combinations is exactly what you need in |
|
93 |
your application, create a subclass, and redefine the setChildPositions method. |
|
94 |
||
95 |
CAVEAT: this class started with #top and no horizontal alignments; |
|
96 |
as time went by, more layouts were added and the setup should be changed |
|
97 |
to use different selectors for space, max-resize and alignment |
|
98 |
(i.e. having more and more layout symbols makes things a bit confusing ...) |
|
99 |
||
100 |
[see also:] |
|
101 |
HorizontalPanelView |
|
102 |
VariableVerticalPanel VariableHorizontalPanel |
|
103 |
Label |
|
104 |
||
105 |
[author:] |
|
106 |
Claus Gittinger |
|
107 |
" |
|
108 |
! |
|
109 |
||
110 |
examples |
|
111 |
" |
|
112 |
These examples demonstrate the effect of different layout |
|
113 |
settings. |
|
114 |
You should try more examples, combining spacing and different |
|
115 |
verticalLayout:/horizontalLayout: combinations. |
|
116 |
||
117 |
||
118 |
example: default layout (centered) |
|
119 |
[exBegin] |
|
120 |
|v p b1 b2 b3 l1 l2 l3| |
|
121 |
||
122 |
v := StandardSystemView new. |
|
123 |
v label:'center (default)'. |
|
124 |
p := MultiColumnPanelView in:v. |
|
125 |
p origin:(0.0 @ 0.0) corner:(1.0 @ 1.0). |
|
126 |
p columnWidths:#(0.3 0.7). |
|
127 |
l1 := Label label:'label1' in:p. |
|
128 |
b1 := Button label:'button1' in:p. |
|
129 |
l2 := Label label:'l2' in:p. |
|
130 |
b2 := Button label:'b2' in:p. |
|
131 |
l3 := Label label:'lab3' in:p. |
|
132 |
b3 := Button label:'butt3' in:p. |
|
133 |
v extent:100 @ 300. |
|
134 |
v open |
|
135 |
[exEnd] |
|
136 |
" |
|
137 |
! ! |
|
138 |
||
139 |
!MultiColumnPanelView methodsFor:'accessing'! |
|
140 |
||
141 |
columnWidths:something |
|
142 |
something ~= columnWidths ifTrue:[ |
|
143 |
columnWidths := something. |
|
144 |
self layoutChanged |
|
145 |
]. |
|
146 |
! |
|
147 |
||
148 |
horizontalLayout |
|
149 |
"return the horizontal layout as symbol. |
|
150 |
the returned value is one of |
|
151 |
#left place element at the left |
|
152 |
#leftSpace place element at the left, offset by horizontalSpace |
|
153 |
#center place elements horizontally centered; ignore horizontalSpace |
|
154 |
#right place it at the right |
|
155 |
#rightSpace place it at the right, offset by horizontalSpace |
|
156 |
#fit resize elements horizontally to fit this panel; ignore horizontalSpace |
|
157 |
#fitSpace like #fit, but add spacing; ignore horizontalSpace |
|
158 |
||
159 |
#leftMax like #left, but resize elements to max of them |
|
160 |
#leftSpaceMax like #leftSpace, but resize elements |
|
161 |
#centerMax like #center, but resize elements |
|
162 |
#rightMax like #right, but resize elements to max of them |
|
163 |
#rightSpaceMax like #rightSpace, but resize elements |
|
164 |
the default is #centered |
|
165 |
" |
|
166 |
||
167 |
^ hLayout |
|
168 |
! |
|
169 |
||
170 |
horizontalLayout:aSymbol |
|
171 |
"change the horizontal layout as symbol. |
|
172 |
The argument, aSymbol must be one of: |
|
173 |
#left place element at the left |
|
174 |
#leftSpace place element at the left, offset by horizontalSpace |
|
175 |
#center place elements horizontally centered; ignore horizontalSpace |
|
176 |
#right place it at the right |
|
177 |
#rightSpace place it at the right, offset by horizontalSpace |
|
178 |
#fit resize elements horizontally to fit this panel; ignore horizontalSpace |
|
179 |
#fitSpace like #fit, but add spacing; ignore horizontalSpace |
|
180 |
||
181 |
#leftMax like #left, but resize elements to max of them |
|
182 |
#leftSpaceMax like #leftSpace, but resize elements |
|
183 |
#centerMax like #center, but resize elements |
|
184 |
#rightMax like #right, but resize elements to max of them |
|
185 |
#rightSpaceMax like #rightSpace, but resize elements |
|
186 |
the default (if never changed) is #centered |
|
187 |
" |
|
188 |
||
189 |
(hLayout ~~ aSymbol) ifTrue:[ |
|
190 |
hLayout := aSymbol. |
|
191 |
self layoutChanged |
|
192 |
] |
|
193 |
! |
|
194 |
||
195 |
layout:something |
|
196 |
"OBSOLETE compatibility interface. Will vanish. |
|
197 |
leftover for historic reasons - do not use any more. |
|
198 |
In the meantime, try to figure out what is meant ... a kludge" |
|
199 |
||
200 |
<resource:#obsolete> |
|
201 |
||
202 |
something isLayout ifTrue:[^ super layout:something]. |
|
203 |
||
204 |
self obsoleteMethodWarning:'use #verticalLayout:'. |
|
205 |
^ self verticalLayout:something |
|
206 |
||
207 |
"Modified: 31.8.1995 / 23:08:54 / claus" |
|
208 |
! |
|
209 |
||
210 |
verticalLayout |
|
211 |
"return the vertical layout as a symbol. |
|
212 |
the returned value is one of |
|
213 |
#top arrange elements at the top |
|
214 |
#topSpace arrange elements at the top, start with spacing |
|
215 |
#bottom arrange elements at the bottom |
|
216 |
#bottomSpace arrange elements at the bottom, start with spacing |
|
217 |
#center arrange elements in the center; ignore verticalSpace |
|
218 |
#spread spread elements evenly; ignore verticalSpace |
|
219 |
#spreadSpace spread elements evenly with spacing at ends; ignore verticalSpace |
|
220 |
#fit like #spread, but resize elements for tight packing; ignore verticalSpace |
|
221 |
#fitSpace like #fit, with spacing; ignore verticalSpace |
|
222 |
#topFit like #top, but resize the last element to fit |
|
223 |
#topSpaceFit like #topSpace, but resize the last element to fit |
|
224 |
#bottomFit like #bottom, but resize the first element to fit |
|
225 |
#bottomSpaceFit like #bottomSpace, but extend the first element to fit |
|
226 |
the default is #centered |
|
227 |
" |
|
228 |
||
229 |
^ vLayout |
|
230 |
||
231 |
"Modified: 17.8.1997 / 15:20:13 / cg" |
|
232 |
! |
|
233 |
||
234 |
verticalLayout:aSymbol |
|
235 |
"change the vertical layout as a symbol. |
|
236 |
The argument, aSymbol must be one of: |
|
237 |
#top arrange elements at the top |
|
238 |
#topSpace arrange elements at the top, start with spacing |
|
239 |
#bottom arrange elements at the bottom |
|
240 |
#bottomSpace arrange elements at the bottom, start with spacing |
|
241 |
#center arrange elements in the center; ignore verticalSpace |
|
242 |
#spread spread elements evenly; ignore verticalSpace |
|
243 |
#spreadSpace spread elements evenly with spacing at ends; ignore verticalSpace |
|
244 |
#fit like #spread, but resize elements for tight packing; ignore verticalSpace |
|
245 |
#fitSpace like #fit, with spacing; ignore verticalSpace |
|
246 |
#topFit like #top, but resize the last element to fit |
|
247 |
#topSpaceFit like #topSpace, but resize the last element to fit |
|
248 |
#bottomFit like #bottom, but resize the first element to fit |
|
249 |
#bottomSpaceFit like #bottomSpace, but extend the first element to fit |
|
250 |
the default (if never changed) is #centered |
|
251 |
" |
|
252 |
||
253 |
(vLayout ~~ aSymbol) ifTrue:[ |
|
254 |
vLayout := aSymbol. |
|
255 |
self layoutChanged |
|
256 |
] |
|
257 |
||
258 |
"Modified: 17.8.1997 / 15:19:58 / cg" |
|
259 |
! ! |
|
260 |
||
261 |
!MultiColumnPanelView methodsFor:'initialization'! |
|
262 |
||
263 |
initialize |
|
264 |
super initialize. |
|
265 |
||
266 |
hLayout := #fit. |
|
267 |
vLayout := #top. |
|
268 |
columnWidths := #(0.5 0.5). |
|
269 |
! ! |
|
270 |
||
271 |
!MultiColumnPanelView methodsFor:'layout'! |
|
272 |
||
273 |
setChildPositions |
|
274 |
"(re)compute position of every child" |
|
275 |
||
276 |
|xpos ypos space sumOfHeights numChilds l hEach hInside hL vL |
|
277 |
maxWidth maxHeight resizeToMaxV resizeToMaxH m2 subViews restHeight |
|
278 |
rowsPerCol maxWidthPerCol col numCols cX cY| |
|
279 |
||
280 |
subViews := self subViewsToConsider. |
|
281 |
subViews size == 0 ifTrue:[^ self]. |
|
282 |
||
283 |
"/ self extentChangedFlag ifTrue:[ |
|
284 |
"/ ext := self computeExtent. |
|
285 |
"/ width := ext x. |
|
286 |
"/ height := ext y. |
|
287 |
"/ ]. |
|
288 |
||
289 |
space := verticalSpace. |
|
290 |
numChilds := subViews size. |
|
291 |
numCols := columnWidths size max:1. |
|
292 |
||
293 |
m2 := margin * 2. |
|
294 |
hInside := height - m2 + (borderWidth*2) - subViews last borderWidth. |
|
295 |
||
296 |
hL := hLayout. |
|
297 |
vL := vLayout. |
|
298 |
||
299 |
rowsPerCol := Array new:numCols withAll:0. |
|
300 |
maxWidthPerCol := Array new:numCols withAll:0. |
|
301 |
||
302 |
maxHeight := 0. |
|
303 |
col := 1. |
|
304 |
subViews do:[:child | |
|
305 |
|childsW childsH| |
|
306 |
||
307 |
childsW := child widthIncludingBorder. |
|
308 |
childsH := child heightIncludingBorder. |
|
309 |
maxHeight := maxHeight max:childsH. |
|
310 |
maxWidthPerCol at:col put:((maxWidthPerCol at:col) max:childsW). |
|
311 |
rowsPerCol at:col put:(rowsPerCol at:col)+1. |
|
312 |
col := col + 1. |
|
313 |
col > numCols ifTrue:[ col := 1 ]. |
|
314 |
]. |
|
315 |
"/ new |
|
316 |
xpos := 0. |
|
317 |
ypos := 0. |
|
318 |
col := 1. |
|
319 |
subViews do:[:child | |
|
320 |
col == numCols ifTrue:[ |
|
321 |
cX := width. |
|
322 |
] ifFalse:[ |
|
323 |
cX := xpos + (width // numCols). |
|
324 |
]. |
|
325 |
cY := ypos + maxHeight. |
|
326 |
||
327 |
child origin:(xpos@ypos)"corner:(cX @ cY)". |
|
328 |
hLayout == #fit ifTrue:[ |
|
329 |
child width:(cX - xpos + 1). |
|
330 |
]. |
|
331 |
col := col + 1. |
|
332 |
col > numCols ifTrue:[ |
|
333 |
col := 1. |
|
334 |
xpos := 0. |
|
335 |
ypos := cY + verticalSpace. |
|
336 |
] ifFalse:[ |
|
337 |
xpos := cX + horizontalSpace. |
|
338 |
]. |
|
339 |
]. |
|
340 |
^ self. |
|
341 |
||
342 |
"/ old |
|
343 |
||
344 |
resizeToMaxV := false. |
|
345 |
(vL endsWith:'Max') ifTrue:[ |
|
346 |
resizeToMaxV := true. |
|
347 |
hEach := maxHeight := subViews inject:0 into:[:maxSoFar :child | maxSoFar max:child heightIncludingBorder]. |
|
348 |
vL := (vL copyWithoutLast:3) asSymbol. |
|
349 |
]. |
|
350 |
||
351 |
numChilds == 1 ifTrue:[ |
|
352 |
(vL == #topFit or:[vL == #bottomFit]) ifTrue:[ |
|
353 |
vL := #fit |
|
354 |
]. |
|
355 |
(vL == #topSpaceFit or:[vL == #bottomSpaceFit]) ifTrue:[ |
|
356 |
vL := #fitSpace |
|
357 |
]. |
|
358 |
]. |
|
359 |
||
360 |
vL == #fitSpace ifTrue:[ |
|
361 |
" |
|
362 |
adjust childs extents and set origins. |
|
363 |
Be careful to avoid accumulation of rounding errors |
|
364 |
" |
|
365 |
hEach := (hInside - ((numChilds + 1) * space)) / numChilds. |
|
366 |
ypos := space + margin - borderWidth. |
|
367 |
] ifFalse:[ |
|
368 |
vL == #fit ifTrue:[ |
|
369 |
" |
|
370 |
adjust childs extents and set origins. |
|
371 |
Be careful to avoid accumulation of rounding errors |
|
372 |
" |
|
373 |
hEach := (hInside - ((numChilds - 1) * space)) / numChilds. |
|
374 |
ypos := margin - borderWidth. |
|
375 |
] ifFalse:[ |
|
376 |
l := vL. |
|
377 |
||
378 |
" |
|
379 |
compute net height needed |
|
380 |
" |
|
381 |
resizeToMaxV ifTrue:[ |
|
382 |
sumOfHeights := subViews inject:0 into:[:sumSoFar :child | sumSoFar + maxHeight + (child borderWidth*2)]. |
|
383 |
] ifFalse:[ |
|
384 |
sumOfHeights := subViews inject:0 into:[:sumSoFar :child | sumSoFar + child heightIncludingBorder]. |
|
385 |
||
386 |
"/ adjust - do not include height of last(first) element if doing a fit |
|
387 |
(vL == #topFit or:[vL == #topSpaceFit]) ifTrue:[ |
|
388 |
sumOfHeights := sumOfHeights - subViews last heightIncludingBorder. |
|
389 |
] ifFalse:[ |
|
390 |
(vL == #bottomFit or:[vL == #bottomSpaceFit]) ifTrue:[ |
|
391 |
sumOfHeights := sumOfHeights - subViews first heightIncludingBorder. |
|
392 |
] |
|
393 |
]. |
|
394 |
]. |
|
395 |
||
396 |
restHeight := height - sumOfHeights - ((numChilds-1)*space). |
|
397 |
||
398 |
((l == #center) and:[numChilds == 1]) ifTrue:[l := #spread]. |
|
399 |
(l == #spread and:[numChilds == 1]) ifTrue:[l := #spreadSpace]. |
|
400 |
||
401 |
" |
|
402 |
compute position of topmost subview and space between them; |
|
403 |
if they do hardly fit, leave no space between them |
|
404 |
" |
|
405 |
((sumOfHeights >= (height - m2)) |
|
406 |
and:[l ~~ #fixTopSpace and:[l ~~ #fixTop]]) ifTrue:[ |
|
407 |
" |
|
408 |
if we have not enough space for all the elements, |
|
409 |
fill them tight, and show what can be shown (at least) |
|
410 |
" |
|
411 |
ypos := margin. |
|
412 |
space := 0 |
|
413 |
] ifFalse:[ |
|
414 |
l == #fixTopSpace ifTrue:[ |
|
415 |
l := #topSpace |
|
416 |
] ifFalse:[ |
|
417 |
l == #fixTop ifTrue:[ |
|
418 |
l := #top |
|
419 |
] |
|
420 |
]. |
|
421 |
((l == #bottom) or:[l == #bottomSpace |
|
422 |
or:[l == #bottomFit or:[l == #bottomSpaceFit]]]) ifTrue:[ |
|
423 |
ypos := restHeight - (space * (numChilds - 1)). |
|
424 |
"/ |
|
425 |
"/ borderWidth == 0 ifTrue:[ |
|
426 |
"/ ypos := ypos + space |
|
427 |
"/ ]. |
|
428 |
"/ |
|
429 |
(l == #bottomSpace |
|
430 |
or:[l == #bottomSpaceFit]) ifTrue:[ |
|
431 |
ypos >= space ifTrue:[ |
|
432 |
ypos := ypos - space |
|
433 |
] |
|
434 |
]. |
|
435 |
ypos := ypos - margin. |
|
436 |
||
437 |
ypos < 0 ifTrue:[ |
|
438 |
space := space min:(restHeight // (numChilds + 1)). |
|
439 |
ypos := restHeight - (space * numChilds). |
|
440 |
] |
|
441 |
] ifFalse: [ |
|
442 |
(l == #spread) ifTrue:[ |
|
443 |
space := (restHeight - m2) // (numChilds - 1). |
|
444 |
ypos := margin. |
|
445 |
(space == 0) ifTrue:[ |
|
446 |
ypos := restHeight // 2 |
|
447 |
] |
|
448 |
] ifFalse: [ |
|
449 |
(l == #spreadSpace) ifTrue:[ |
|
450 |
space := (restHeight - m2) // (numChilds + 1). |
|
451 |
ypos := space + margin. |
|
452 |
(space == 0) ifTrue:[ |
|
453 |
ypos := restHeight // 2 |
|
454 |
] |
|
455 |
] ifFalse: [ |
|
456 |
((l == #top) or:[l == #topSpace |
|
457 |
or:[l == #topFit or:[l == #topSpaceFit]]]) ifTrue:[ |
|
458 |
space := space min:(restHeight - m2) // (numChilds + 1). |
|
459 |
(vL == #fixTop or:[vL == #fixTopSpace]) ifTrue:[ |
|
460 |
space := space max:verticalSpace. |
|
461 |
] ifFalse:[ |
|
462 |
space := space max:0. |
|
463 |
]. |
|
464 |
(l == #topSpace or:[l == #topSpaceFit]) ifTrue:[ |
|
465 |
ypos := space + margin. |
|
466 |
] ifFalse:[ |
|
467 |
"/ |
|
468 |
"/ if the very first view has a 0-level AND |
|
469 |
"/ my level is non-zero, begin with margin |
|
470 |
"/ |
|
471 |
true "(margin ~~ 0 and:[subViews first level == 0])" ifTrue:[ |
|
472 |
ypos := margin |
|
473 |
] ifFalse:[ |
|
474 |
ypos := 0 |
|
475 |
] |
|
476 |
] |
|
477 |
] ifFalse:[ |
|
478 |
"center" |
|
479 |
ypos := (restHeight - ((numChilds - 1) * space)) // 2. |
|
480 |
ypos < 0 ifTrue:[ |
|
481 |
space := restHeight // (numChilds + 1). |
|
482 |
ypos := (restHeight - ((numChilds - 1) * space)) // 2. |
|
483 |
] |
|
484 |
] |
|
485 |
] |
|
486 |
] |
|
487 |
] |
|
488 |
]. |
|
489 |
]. |
|
490 |
]. |
|
491 |
||
492 |
resizeToMaxH := false. |
|
493 |
(hL endsWith:'Max') ifTrue:[ |
|
494 |
resizeToMaxH := true. |
|
495 |
maxWidth := subViews inject:0 into:[:maxSoFar :child | maxSoFar max:child widthIncludingBorder]. |
|
496 |
hL := (hL copyWithoutLast:3) asSymbol. |
|
497 |
]. |
|
498 |
||
499 |
" |
|
500 |
now set positions |
|
501 |
" |
|
502 |
subViews keysAndValuesDo:[:index :child | |
|
503 |
|xpos advance bwChild wChild newWChild x2| |
|
504 |
||
505 |
wChild := child widthIncludingBorder. |
|
506 |
bwChild := child borderWidth. |
|
507 |
||
508 |
elementsChangeSize ifTrue:[ |
|
509 |
"to avoid a recursion when we change the elements size" |
|
510 |
child removeDependent:self. |
|
511 |
]. |
|
512 |
resizeToMaxH ifTrue:[ |
|
513 |
child width:(wChild := maxWidth - (bwChild * 2)). |
|
514 |
]. |
|
515 |
||
516 |
hL == #left ifTrue:[ |
|
517 |
xpos := 0 - borderWidth + margin. |
|
518 |
] ifFalse:[ |
|
519 |
hL == #leftSpace ifTrue:[ |
|
520 |
xpos := horizontalSpace + margin |
|
521 |
] ifFalse:[ |
|
522 |
hL == #right ifTrue:[ |
|
523 |
xpos := width - wChild - margin |
|
524 |
] ifFalse:[ |
|
525 |
hL == #rightSpace ifTrue:[ |
|
526 |
xpos := width - horizontalSpace - wChild - margin. |
|
527 |
] ifFalse:[ |
|
528 |
hL == #fitSpace ifTrue:[ |
|
529 |
xpos := horizontalSpace + margin. |
|
530 |
newWChild := width - m2 - ((horizontalSpace + bwChild) * 2) |
|
531 |
] ifFalse:[ |
|
532 |
hL == #fit ifTrue:[ |
|
533 |
newWChild := width "- (bwChild * 2)". |
|
534 |
borderWidth == 0 ifTrue:[ |
|
535 |
newWChild := newWChild - (bwChild * 2) |
|
536 |
]. |
|
537 |
true "child level == 0" ifTrue:[ |
|
538 |
xpos := margin - borderWidth. |
|
539 |
newWChild := newWChild - m2 |
|
540 |
] ifFalse:[ |
|
541 |
xpos := 0 - borderWidth. |
|
542 |
]. |
|
543 |
] ifFalse:[ |
|
544 |
"centered" |
|
545 |
xpos := margin + ((width - m2 - wChild) // 2). |
|
546 |
] |
|
547 |
] |
|
548 |
] |
|
549 |
] |
|
550 |
] |
|
551 |
]. |
|
552 |
newWChild notNil ifTrue:[ |
|
553 |
child width:newWChild |
|
554 |
]. |
|
555 |
||
556 |
"/ (xpos < 0) ifTrue:[ xpos := 0 ]. |
|
557 |
||
558 |
x2 := xpos + child width - 1. |
|
559 |
||
560 |
(vL == #fit |
|
561 |
or:[vL == #fitSpace |
|
562 |
or:[resizeToMaxV]]) ifTrue:[ |
|
563 |
child origin:(xpos @ (ypos rounded)) |
|
564 |
corner:(x2 @ (ypos + hEach - bwChild - 1) rounded). |
|
565 |
advance := hEach |
|
566 |
] ifFalse:[ |
|
567 |
child origin:(xpos@ypos). |
|
568 |
advance := child heightIncludingBorder |
|
569 |
]. |
|
570 |
||
571 |
index == numChilds ifTrue:[ |
|
572 |
|y| |
|
573 |
||
574 |
(vL == #topFit or:[vL == #topSpaceFit]) ifTrue:[ |
|
575 |
y := height - margin - 1. |
|
576 |
vL == #topSpaceFit ifTrue:[ |
|
577 |
y := y - space |
|
578 |
]. |
|
579 |
child corner:x2 @ y |
|
580 |
]. |
|
581 |
]. |
|
582 |
index == 1 ifTrue:[ |
|
583 |
(vL == #bottomFit or:[vL == #bottomSpaceFit]) ifTrue:[ |
|
584 |
ypos := margin + 0 + (child borderWidth * 2) - borderWidth. |
|
585 |
vL == #bottomSpaceFit ifTrue:[ |
|
586 |
ypos := ypos + space |
|
587 |
]. |
|
588 |
advance := restHeight. |
|
589 |
child origin:((child origin x) @ ypos) |
|
590 |
corner:((child corner x) @ (ypos+advance)) |
|
591 |
]. |
|
592 |
]. |
|
593 |
||
594 |
ypos := ypos + advance + space. |
|
595 |
elementsChangeSize ifTrue:[ |
|
596 |
"reinstall dependency that we removed above" |
|
597 |
child addDependent:self. |
|
598 |
]. |
|
599 |
] |
|
600 |
||
601 |
"Modified: / 04-09-1995 / 18:43:29 / claus" |
|
602 |
"Modified: / 10-10-2007 / 13:47:56 / cg" |
|
603 |
! ! |
|
604 |
||
605 |
!MultiColumnPanelView methodsFor:'queries'! |
|
606 |
||
607 |
preferredExtent |
|
608 |
"return a good extent, one that makes subviews fit" |
|
609 |
||
610 |
|maxHeight maxWidth maxWidthPerCol w m2 subViews col numCols rowsPerCol| |
|
611 |
||
3760
96d214ff4395
changed #preferredExtent - use explicitExtent instvar
Stefan Vogel <sv@exept.de>
parents:
3518
diff
changeset
|
612 |
"/ If I have an explicit preferredExtent.. |
96d214ff4395
changed #preferredExtent - use explicitExtent instvar
Stefan Vogel <sv@exept.de>
parents:
3518
diff
changeset
|
613 |
explicitExtent notNil ifTrue:[ |
96d214ff4395
changed #preferredExtent - use explicitExtent instvar
Stefan Vogel <sv@exept.de>
parents:
3518
diff
changeset
|
614 |
^ explicitExtent |
96d214ff4395
changed #preferredExtent - use explicitExtent instvar
Stefan Vogel <sv@exept.de>
parents:
3518
diff
changeset
|
615 |
]. |
3518 | 616 |
|
3760
96d214ff4395
changed #preferredExtent - use explicitExtent instvar
Stefan Vogel <sv@exept.de>
parents:
3518
diff
changeset
|
617 |
"/ If I have a cached preferredExtent value.. |
3518 | 618 |
preferredExtent notNil ifTrue:[ |
619 |
^ preferredExtent |
|
620 |
]. |
|
621 |
||
622 |
subViews := self subViewsToConsider. |
|
623 |
(subViews size == 0) ifTrue:[ |
|
624 |
^ super preferredExtent. |
|
625 |
]. |
|
626 |
||
627 |
"compute net height needed" |
|
628 |
numCols := columnWidths size. |
|
629 |
rowsPerCol := Array new:numCols withAll:0. |
|
630 |
maxWidthPerCol := Array new:numCols withAll:0. |
|
631 |
||
632 |
maxHeight := 0. |
|
633 |
col := 1. |
|
634 |
subViews do:[:child | |
|
635 |
|childsPreference| |
|
636 |
||
637 |
childsPreference := child preferredExtent. |
|
638 |
maxHeight := maxHeight max:childsPreference y. |
|
639 |
maxWidthPerCol at:col put:((maxWidthPerCol at:col) max:childsPreference y). |
|
640 |
rowsPerCol at:col put:(rowsPerCol at:col)+1. |
|
641 |
col := col + 1. |
|
642 |
col > numCols ifTrue:[ col := 1 ]. |
|
643 |
]. |
|
644 |
||
645 |
borderWidth ~~ 0 ifTrue:[ |
|
646 |
maxWidth := maxWidth + (horizontalSpace * 2). |
|
647 |
]. |
|
648 |
||
649 |
"/ sumOfHeights := sumOfHeights + ((subViews size - 1) * verticalSpace). |
|
650 |
"/ ((vLayout == #topSpace) or:[vLayout == #bottomSpace]) ifTrue:[ |
|
651 |
"/ sumOfHeights := sumOfHeights + verticalSpace |
|
652 |
"/ ] ifFalse:[ |
|
653 |
"/ ((vLayout == #center) or:[vLayout == #spread]) ifTrue:[ |
|
654 |
"/ sumOfHeights := sumOfHeights + (verticalSpace * 2) |
|
655 |
"/ ] |
|
656 |
"/ ]. |
|
657 |
||
658 |
"/ ((hLayout == #leftSpace) or:[hLayout == #rightSpace]) ifTrue:[ |
|
659 |
"/ maxWidth := maxWidth + horizontalSpace |
|
660 |
"/ ] ifFalse:[ |
|
661 |
"/ ((hLayout == #fitSpace) or:[hLayout == #center]) ifTrue:[ |
|
662 |
"/ maxWidth := maxWidth + (horizontalSpace * 2) |
|
663 |
"/ ] |
|
664 |
"/ ]. |
|
665 |
m2 := margin * 2. |
|
666 |
"/ ^ (maxWidth + m2) @ (sumOfHeights + m2) |
|
667 |
||
668 |
w := maxWidthPerCol inject:0 into:[:sumSoFar :thisWidth | sumSoFar + thisWidth]. |
|
669 |
||
670 |
^ (w+m2) @ (rowsPerCol max * maxHeight) + m2 |
|
671 |
||
672 |
"Modified: / 17.1.1998 / 00:18:16 / cg" |
|
673 |
! ! |
|
674 |
||
675 |
!MultiColumnPanelView class methodsFor:'documentation'! |
|
676 |
||
677 |
version |
|
3760
96d214ff4395
changed #preferredExtent - use explicitExtent instvar
Stefan Vogel <sv@exept.de>
parents:
3518
diff
changeset
|
678 |
^ '$Header: /cvs/stx/stx/libwidg/MultiColumnPanelView.st,v 1.2 2008-10-26 20:11:53 stefan Exp $' |
3518 | 679 |
! ! |