1 ## deleting sandboxes
  2 
  3 scenario deleting-sandboxes [
  4   local-scope
  5   trace-until 100/app  # trace too long
  6   assume-screen 100/width, 15/height
  7   assume-resources [
  8   ]
  9   env:&:environment <- new-programming-environment resources, screen, []
 10   render-all screen, env, render
 11   # run a few commands
 12   assume-console [
 13   ¦ left-click 1, 75
 14   ¦ type [divide-with-remainder 11, 3]
 15   ¦ press F4
 16   ¦ type [add 2, 2]
 17   ¦ press F4
 18   ]
 19   event-loop screen, console, env, resources
 20   screen-should-contain [
 21   ¦ .                                                                                 run (F4)           .
 22   ¦ .                                                  ╎                                                 .
 23   ¦ .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.
 24   ¦ .                                                  ╎0   edit       copy       to recipe    delete    .
 25   ¦ .                                                  ╎add 2, 2                                         .
 26   ¦ .                                                  ╎4                                                .
 27   ¦ .                                                  ╎─────────────────────────────────────────────────.
 28   ¦ .                                                  ╎1   edit       copy       to recipe    delete    .
 29   ¦ .                                                  ╎divide-with-remainder 11, 3                      .
 30   ¦ .                                                  ╎3                                                .
 31   ¦ .                                                  ╎2                                                .
 32   ¦ .                                                  ╎─────────────────────────────────────────────────.
 33   ¦ .                                                  ╎                                                 .
 34   ]
 35   # delete second sandbox by clicking on left edge of 'delete' button
 36   assume-console [
 37   ¦ left-click 7, 90
 38   ]
 39   run [
 40   ¦ event-loop screen, console, env, resources
 41   ]
 42   screen-should-contain [
 43   ¦ .                                                                                 run (F4)           .
 44   ¦ .                                                  ╎                                                 .
 45   ¦ .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.
 46   ¦ .                                                  ╎0   edit       copy       to recipe    delete    .
 47   ¦ .                                                  ╎add 2, 2                                         .
 48   ¦ .                                                  ╎4                                                .
 49   ¦ .                                                  ╎─────────────────────────────────────────────────.
 50   ¦ .                                                  ╎                                                 .
 51   ¦ .                                                  ╎                                                 .
 52   ]
 53   # delete first sandbox by clicking at right edge of 'delete' button
 54   assume-console [
 55   ¦ left-click 3, 99
 56   ]
 57   run [
 58   ¦ event-loop screen, console, env, resources
 59   ]
 60   screen-should-contain [
 61   ¦ .                                                                                 run (F4)           .
 62   ¦ .                                                  ╎                                                 .
 63   ¦ .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.
 64   ¦ .                                                  ╎                                                 .
 65   ¦ .                                                  ╎                                                 .
 66   ]
 67 ]
 68 
 69 after <global-touch> [
 70   # support 'delete' button
 71   {
 72   ¦ delete?:bool <- should-attempt-delete? click-row, click-column, env
 73   ¦ break-unless delete?
 74   ¦ delete?, env <- try-delete-sandbox click-row, env
 75   ¦ break-unless delete?
 76   ¦ screen <- render-sandbox-side screen, env, render
 77   ¦ screen <- update-cursor screen, recipes, current-sandbox, sandbox-in-focus?, env
 78   ¦ loop +next-event
 79   }
 80 ]
 81 
 82 # some preconditions for attempting to delete a sandbox
 83 def should-attempt-delete? click-row:num, click-column:num, env:&:environment -> result:bool [
 84   local-scope
 85   load-ingredients
 86   # are we below the sandbox editor?
 87   click-sandbox-area?:bool <- click-on-sandbox-area? click-row, click-column, env
 88   return-unless click-sandbox-area?, 0/false
 89   # narrower, is the click in the columns spanning the 'copy' button?
 90   first-sandbox:&:editor <- get *env, current-sandbox:offset
 91   assert first-sandbox, [!!]
 92   sandbox-left-margin:num <- get *first-sandbox, left:offset
 93   sandbox-right-margin:num <- get *first-sandbox, right:offset
 94   _, _, _, _, _, _, delete-button-left:num <- sandbox-menu-columns sandbox-left-margin, sandbox-right-margin
 95   result <- within-range? click-column, delete-button-left, sandbox-right-margin
 96 ]
 97 
 98 def try-delete-sandbox click-row:num, env:&:environment -> clicked-on-delete-button?:bool, env:&:environment [
 99   local-scope
100   load-ingredients
101   # identify the sandbox to delete, if the click was actually on the 'delete' button
102   sandbox:&:sandbox <- find-sandbox env, click-row
103   return-unless sandbox, 0/false
104   clicked-on-delete-button? <- copy 1/true
105   env <- delete-sandbox env, sandbox
106 ]
107 
108 def delete-sandbox env:&:environment, sandbox:&:sandbox -> env:&:environment [
109   local-scope
110   load-ingredients
111   curr-sandbox:&:sandbox <- get *env, sandbox:offset
112   first-sandbox?:bool <- equal curr-sandbox, sandbox
113   {
114   ¦ # first sandbox? pop
115   ¦ break-unless first-sandbox?
116   ¦ next-sandbox:&:sandbox <- get *curr-sandbox, next-sandbox:offset
117   ¦ *env <- put *env, sandbox:offset, next-sandbox
118   }
119   {
120   ¦ # not first sandbox?
121   ¦ break-if first-sandbox?
122   ¦ prev-sandbox:&:sandbox <- copy curr-sandbox
123   ¦ curr-sandbox <- get *curr-sandbox, next-sandbox:offset
124   ¦ {
125   ¦ ¦ assert curr-sandbox, [sandbox not found! something is wrong.]
126   ¦ ¦ found?:bool <- equal curr-sandbox, sandbox
127   ¦ ¦ break-if found?
128   ¦ ¦ prev-sandbox <- copy curr-sandbox
129   ¦ ¦ curr-sandbox <- get *curr-sandbox, next-sandbox:offset
130   ¦ ¦ loop
131   ¦ }
132   ¦ # snip sandbox out of its list
133   ¦ next-sandbox:&:sandbox <- get *curr-sandbox, next-sandbox:offset
134   ¦ *prev-sandbox <- put *prev-sandbox, next-sandbox:offset, next-sandbox
135   }
136   # update sandbox count
137   sandbox-count:num <- get *env, number-of-sandboxes:offset
138   sandbox-count <- subtract sandbox-count, 1
139   *env <- put *env, number-of-sandboxes:offset, sandbox-count
140   # reset scroll if deleted sandbox was last
141   {
142   ¦ break-if next-sandbox
143   ¦ render-from:num <- get *env, render-from:offset
144   ¦ reset-scroll?:bool <- equal render-from, sandbox-count
145   ¦ break-unless reset-scroll?
146   ¦ *env <- put *env, render-from:offset, -1
147   }
148 ]
149 
150 scenario deleting-sandbox-after-scroll [
151   local-scope
152   trace-until 100/app  # trace too long
153   assume-screen 100/width, 10/height
154   # initialize environment
155   assume-resources [
156   ]
157   env:&:environment <- new-programming-environment resources, screen, []
158   render-all screen, env, render
159   # create 2 sandboxes and scroll to second
160   assume-console [
161   ¦ press ctrl-n
162   ¦ type [add 2, 2]
163   ¦ press F4
164   ¦ type [add 1, 1]
165   ¦ press F4
166   ¦ press page-down
167   ]
168   event-loop screen, console, env, resources
169   screen-should-contain [
170   ¦ .                                                                                 run (F4)           .
171   ¦ .                                                  ╎─────────────────────────────────────────────────.
172   ¦ .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎0   edit       copy       to recipe    delete    .
173   ¦ .                                                  ╎add 1, 1                                         .
174   ¦ .                                                  ╎2                                                .
175   ¦ .                                                  ╎─────────────────────────────────────────────────.
176   ¦ .                                                  ╎1   edit       copy       to recipe    delete    .
177   ]
178   # delete the second sandbox
179   assume-console [
180   ¦ left-click 6, 99
181   ]
182   run [
183   ¦ event-loop screen, console, env, resources
184   ]
185   # second sandbox shows in editor; scroll resets to display first sandbox
186   screen-should-contain [
187   ¦ .                                                                                 run (F4)           .
188   ¦ .                                                  ╎─────────────────────────────────────────────────.
189   ¦ .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎0   edit       copy       to recipe    delete    .
190   ¦ .                                                  ╎add 1, 1                                         .
191   ¦ .                                                  ╎2                                                .
192   ¦ .                                                  ╎─────────────────────────────────────────────────.
193   ¦ .                                                  ╎                                                 .
194   ]
195 ]
196 
197 scenario deleting-top-sandbox-after-scroll [
198   local-scope
199   trace-until 100/app  # trace too long
200   assume-screen 100/width, 10/height
201   # initialize environment
202   assume-resources [
203   ]
204   env:&:environment <- new-programming-environment resources, screen, []
205   render-all screen, env, render
206   # create 2 sandboxes and scroll to second
207   assume-console [
208   ¦ press ctrl-n
209   ¦ type [add 2, 2]
210   ¦ press F4
211   ¦ type [add 1, 1]
212   ¦ press F4
213   ¦ press page-down
214   ]
215   event-loop screen, console, env, resources
216   screen-should-contain [
217   ¦ .                                                                                 run (F4)           .
218   ¦ .                                                  ╎─────────────────────────────────────────────────.
219   ¦ .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎0   edit       copy       to recipe    delete    .
220   ¦ .                                                  ╎add 1, 1                                         .
221   ¦ .                                                  ╎2                                                .
222   ¦ .                                                  ╎─────────────────────────────────────────────────.
223   ¦ .                                                  ╎1   edit       copy       to recipe    delete    .
224   ]
225   # delete the second sandbox
226   assume-console [
227   ¦ left-click 2, 99
228   ]
229   run [
230   ¦ event-loop screen, console, env, resources
231   ]
232   # second sandbox shows in editor; scroll resets to display first sandbox
233   screen-should-contain [
234   ¦ .                                                                                 run (F4)           .
235   ¦ .                                                  ╎─────────────────────────────────────────────────.
236   ¦ .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎0   edit       copy       to recipe    delete    .
237   ¦ .                                                  ╎add 2, 2                                         .
238   ¦ .                                                  ╎4                                                .
239   ¦ .                                                  ╎─────────────────────────────────────────────────.
240   ¦ .                                                  ╎                                                 .
241   ]
242 ]
243 
244 scenario deleting-final-sandbox-after-scroll [
245   local-scope
246   trace-until 100/app  # trace too long
247   assume-screen 100/width, 10/height
248   # initialize environment
249   assume-resources [
250   ]
251   env:&:environment <- new-programming-environment resources, screen, []
252   render-all screen, env, render
253   # create 2 sandboxes and scroll to second
254   assume-console [
255   ¦ press ctrl-n
256   ¦ type [add 2, 2]
257   ¦ press F4
258   ¦ type [add 1, 1]
259   ¦ press F4
260   ¦ press page-down
261   ¦ press page-down
262   ]
263   event-loop screen, console, env, resources
264   screen-should-contain [
265   ¦ .                                                                                 run (F4)           .
266   ¦ .                                                  ╎─────────────────────────────────────────────────.
267   ¦ .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎1   edit       copy       to recipe    delete    .
268   ¦ .                                                  ╎add 2, 2                                         .
269   ¦ .                                                  ╎4                                                .
270   ¦ .                                                  ╎─────────────────────────────────────────────────.
271   ¦ .                                                  ╎                                                 .
272   ]
273   # delete the second sandbox
274   assume-console [
275   ¦ left-click 2, 99
276   ]
277   run [
278   ¦ event-loop screen, console, env, resources
279   ]
280   # implicitly scroll up to first sandbox
281   screen-should-contain [
282   ¦ .                                                                                 run (F4)           .
283   ¦ .                                                  ╎                                                 .
284   ¦ .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.
285   ¦ .                                                  ╎0   edit       copy       to recipe    delete    .
286   ¦ .                                                  ╎add 1, 1                                         .
287   ¦ .                                                  ╎2                                                .
288   ¦ .                                                  ╎─────────────────────────────────────────────────.
289   ¦ .                                                  ╎                                                 .
290   ]
291 ]
292 
293 scenario deleting-updates-sandbox-count [
294   local-scope
295   trace-until 100/app  # trace too long
296   assume-screen 100/width, 10/height
297   # initialize environment
298   assume-resources [
299   ]
300   env:&:environment <- new-programming-environment resources, screen, []
301   render-all screen, env, render
302   # create 2 sandboxes
303   assume-console [
304   ¦ press ctrl-n
305   ¦ type [add 2, 2]
306   ¦ press F4
307   ¦ type [add 1, 1]
308   ¦ press F4
309   ]
310   event-loop screen, console, env, resources
311   screen-should-contain [
312   ¦ .                                                                                 run (F4)           .
313   ¦ .                                                  ╎                                                 .
314   ¦ .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.
315   ¦ .                                                  ╎0   edit       copy       to recipe    delete    .
316   ¦ .                                                  ╎add 1, 1                                         .
317   ¦ .                                                  ╎2                                                .
318   ¦ .                                                  ╎─────────────────────────────────────────────────.
319   ¦ .                                                  ╎1   edit       copy       to recipe    delete    .
320   ¦ .                                                  ╎add 2, 2                                         .
321   ¦ .                                                  ╎4                                                .
322   ]
323   # delete the second sandbox, then try to scroll down twice
324   assume-console [
325   ¦ left-click 3, 99
326   ¦ press page-down
327   ¦ press page-down
328   ]
329   run [
330   ¦ event-loop screen, console, env, resources
331   ]
332   # shouldn't go past last sandbox
333   screen-should-contain [
334   ¦ .                                                                                 run (F4)           .
335   ¦ .                                                  ╎─────────────────────────────────────────────────.
336   ¦ .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎0   edit       copy       to recipe    delete    .
337   ¦ .                                                  ╎add 2, 2                                         .
338   ¦ .                                                  ╎4                                                .
339   ¦ .                                                  ╎─────────────────────────────────────────────────.
340   ¦ .                                                  ╎                                                 .
341   ]
342 ]