## deleting sandboxes
scenario deleting-sandboxes [
local-scope
trace-until 100/app # trace too long
assume-screen 50/width, 15/height
assume-resources [
]
env:&:environment <- new-programming-environment resources, screen, []
render-all screen, env, render
# run a few commands
assume-console [
type [divide-with-remainder 11, 3]
press F4
type [add 2, 2]
press F4
]
event-loop screen, console, env, resources
screen-should-contain [
. run (F4) .
. .
.──────────────────────────────────────────────────.
.0 edit copy delete .
.add 2, 2 .
.4 .
.──────────────────────────────────────────────────.
.1 edit copy delete .
.divide-with-remainder 11, 3 .
.3 .
.2 .
.──────────────────────────────────────────────────.
. .
]
# delete second sandbox by clicking on left edge of 'delete' button
assume-console [
left-click 7, 34
]
run [
event-loop screen, console, env, resources
]
screen-should-contain [
. run (F4) .
. .
.──────────────────────────────────────────────────.
.0 edit copy delete .
.add 2, 2 .
.4 .
.──────────────────────────────────────────────────.
. .
]
# delete first sandbox by clicking at right edge of 'delete' button
assume-console [
left-click 3, 49
]
run [
event-loop screen, console, env, resources
]
screen-should-contain [
. run (F4) .
. .
.──────────────────────────────────────────────────.
. .
]
]
after <global-touch> [
# support 'delete' button
{
delete?:bool <- should-attempt-delete? click-row, click-column, env
break-unless delete?
delete?, env <- try-delete-sandbox click-row, env
break-unless delete?
screen <- render-sandbox-side screen, env, render
screen <- update-cursor screen, current-sandbox, env
loop +next-event
}
]
# some preconditions for attempting to delete a sandbox
def should-attempt-delete? click-row:num, click-column:num, env:&:environment -> result:bool [
local-scope
load-inputs
# are we below the sandbox editor?
click-sandbox-area?:bool <- click-on-sandbox-area? click-row, env
return-unless click-sandbox-area?, false
# narrower, is the click in the columns spanning the 'copy' button?
first-sandbox:&:editor <- get *env, current-sandbox:offset
assert first-sandbox, [!!]
sandbox-left-margin:num <- get *first-sandbox, left:offset
sandbox-right-margin:num <- get *first-sandbox, right:offset
_, _, _, _, delete-button-left:num <- sandbox-menu-columns sandbox-left-margin, sandbox-right-margin
result <- within-range? click-column, delete-button-left, sandbox-right-margin
]
def try-delete-sandbox click-row:num, env:&:environment -> clicked-on-delete-button?:bool, env:&:environment [
local-scope
load-inputs
# identify the sandbox to delete, if the click was actually on the 'delete' button
sandbox:&:sandbox <- find-sandbox env, click-row
return-unless sandbox, false
clicked-on-delete-button? <- copy true
env <- delete-sandbox env, sandbox
]
def delete-sandbox env:&:environment, sandbox:&:sandbox -> env:&:environment [
local-scope
load-inputs
curr-sandbox:&:sandbox <- get *env, sandbox:offset
first-sandbox?:bool <- equal curr-sandbox, sandbox
{
# first sandbox? pop
break-unless first-sandbox?
next-sandbox:&:sandbox <- get *curr-sandbox, next-sandbox:offset
*env <- put *env, sandbox:offset, next-sandbox
}
{
# not first sandbox?
break-if first-sandbox?
prev-sandbox:&:sandbox <- copy curr-sandbox
curr-sandbox <- get *curr-sandbox, next-sandbox:offset
{
assert curr-sandbox, [sandbox not found! something is wrong.]
found?:bool <- equal curr-sandbox, sandbox
break-if found?
prev-sandbox <- copy curr-sandbox
curr-sandbox <- get *curr-sandbox, next-sandbox:offset
loop
}
# snip sandbox out of its list
next-sandbox:&:sandbox <- get *curr-sandbox, next-sandbox:offset
*prev-sandbox <- put *prev-sandbox, next-sandbox:offset, next-sandbox
}
# update sandbox count
sandbox-count:num <- get *env, number-of-sandboxes:offset
sandbox-count <- subtract sandbox-count, 1
*env <- put *env, number-of-sandboxes:offset, sandbox-count
# reset scroll if deleted sandbox was last
{
break-if next-sandbox
render-from:num <- get *env, render-from:offset
reset-scroll?:bool <- equal render-from, sandbox-count
break-unless reset-scroll?
*env <- put *env, render-from:offset, -1
}
]
scenario deleting-sandbox-after-scroll [
local-scope
trace-until 100/app # trace too long
assume-screen 50/width, 10/height
# initialize environment
assume-resources [
]
env:&:environment <- new-programming-environment resources, screen, []
render-all screen, env, render
# create 2 sandboxes and scroll to second
assume-console [
press ctrl-n
type [add 2, 2]
press F4
type [add 1, 1]
press F4
press page-down
]
event-loop screen, console, env, resources
screen-should-contain [
. run (F4) .
.──────────────────────────────────────────────────.
.0 edit copy delete .
.add 1, 1 .
.2 .
.──────────────────────────────────────────────────.
.1 edit copy delete .
.add 2, 2 .
.4 .
.──────────────────────────────────────────────────.
]
# delete the second sandbox
assume-console [
left-click 6, 34
]
run [
event-loop screen, console, env, resources
]
# second sandbox shows in editor; scroll resets to display first sandbox
screen-should-contain [
. run (F4) .
.──────────────────────────────────────────────────.
.0 edit copy delete .
.add 1, 1 .
.2 .
.──────────────────────────────────────────────────.
. .
]
]
scenario deleting-top-sandbox-after-scroll [
local-scope
trace-until 100/app # trace too long
assume-screen 50/width, 10/height
# initialize environment
assume-resources [
]
env:&:environment <- new-programming-environment resources, screen, []
render-all screen, env, render
# create 2 sandboxes and scroll to second
assume-console [
press ctrl-n
type [add 2, 2]
press F4
type [add 1, 1]
press F4
press page-down
]
event-loop screen, console, env, resources
screen-should-contain [
. run (F4) .
.──────────────────────────────────────────────────.
.0 edit copy delete .
.add 1, 1 .
.2 .
.──────────────────────────────────────────────────.
.1 edit copy delete .
.add 2, 2 .
.4 .
.──────────────────────────────────────────────────.
]
# delete the second sandbox
assume-console [
left-click 2, 34
]
run [
event-loop screen, console, env, resources
]
# second sandbox shows in editor; scroll resets to display first sandbox
screen-should-contain [
. run (F4) .
.──────────────────────────────────────────────────.
.0 edit copy delete .
.add 2, 2 .
.4 .
.──────────────────────────────────────────────────.
. .
]
]
scenario deleting-final-sandbox-after-scroll [
local-scope
trace-until 100/app # trace too long
assume-screen 50/width, 10/height
# initialize environment
assume-resources [
]
env:&:environment <- new-programming-environment resources, screen, []
render-all screen, env, render
# create 2 sandboxes and scroll to second
assume-console [
press ctrl-n
type [add 2, 2]
press F4
type [add 1, 1]
press F4
press page-down
press page-down
]
event-loop screen, console, env, resources
screen-should-contain [
. run (F4) .
.──────────────────────────────────────────────────.
.1 edit copy delete .
.add 2, 2 .
.4 .
.──────────────────────────────────────────────────.
. .
]
# delete the second sandbox
assume-console [
left-click 2, 34
]
run [
event-loop screen, console, env, resources
]
# implicitly scroll up to first sandbox
screen-should-contain [
. run (F4) .
. .
.──────────────────────────────────────────────────.
.0 edit copy delete .
.add 1, 1 .
.2 .
.──────────────────────────────────────────────────.
. .
]
]
scenario deleting-updates-sandbox-count [
local-scope
trace-until 100/app # trace too long
assume-screen 50/width, 10/height
# initialize environment
assume-resources [
]
env:&:environment <- new-programming-environment resources, screen, []
render-all screen, env, render
# create 2 sandboxes
assume-console [
press ctrl-n
type [add 2, 2]
press F4
type [add 1, 1]
press F4
]
event-loop screen, console, env, resources
screen-should-contain [
. run (F4) .
. .
.──────────────────────────────────────────────────.
.0 edit copy delete .
.add 1, 1 .
.2 .
.──────────────────────────────────────────────────.
.1 edit copy delete .
.add 2, 2 .
.4 .
]
# delete the second sandbox, then try to scroll down twice
assume-console [
left-click 3, 34
press page-down
press page-down
]
run [
event-loop screen, console, env, resources
]
# shouldn't go past last sandbox
screen-should-contain [
. run (F4) .
.──────────────────────────────────────────────────.
.0 edit copy delete .
.add 2, 2 .
.4 .
.──────────────────────────────────────────────────.
. .
]
]