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async def Button(self):
async def on_click(event):
clicked.set(True)
self.update()
if not clicked.get():
return idom.html.button({"onClick": on_click, "id": "click"}, ["Click Me!"])
else:
return idom.html.p({"id": "complete"}, ["Complete"])
async def IncrCounter(self, count=0):
@idom.event
async def incr_on_click(event):
self.update(count + 1)
button = idom.html.button(
{"onClick": incr_on_click, "id": "incr-button"}, "click to increment"
)
return idom.html.div(button, Counter(count))
async def SimpleButton(self):
@idom.event
async def on_click(event):
clicked.set(True)
return idom.html.button(
{"id": "simple-button", "onClick": on_click}, "click me same origin"
)
async def ComponentWithMemo():
location, set_location = idom.hooks.use_state("left")
count = idom.hooks.use_memo(function_to_memoize, location)
async def on_left_button_click(event):
set_location("left")
async def on_right_button_click(event):
set_location("right")
return idom.html.div(
idom.html.button(
{"onClick": on_left_button_click, "id": "left-button"}, "left button"
),
idom.html.button(
{"onClick": on_right_button_click, "id": "right-button"}, "right button"
),
f"Memo trigger count: {count}",
)
async def ButtonSwapsDivs(self):
count = idom.Var(0)
@idom.event
async def on_click(event):
count.value += 1
mount(idom.html.div, {"id": f"hotswap-{count.value}"}, count.value)
incr = idom.html.button({"onClick": on_click, "id": "incr-button"}, "incr")
mount, make_hostswap = idom.widgets.hotswap(shared=True)
mount(idom.html.div, {"id": f"hotswap-{count.value}"}, count.value)
hotswap_view = make_hostswap()
return idom.html.div(incr, hotswap_view)
async def CounterOnClick(self, count=0):
count_thread.set(current_thread())
@idom.event
async def increment(event):
self.update(count + 1)
return idom.html.div(
idom.html.button(
{"onClick": increment, "id": "button"}, "click to increment"
),
idom.html.p({"id": f"count-{count}"}, f"count: {count}"),
)
async def ComponentWithMemo():
location, set_location = idom.hooks.use_state("left")
memoized_func = idom.hooks.use_lru_cache(function_to_memoize, maxsize=2)
last_memoized_location = memoized_func(location)
async def on_left_button_click(event):
set_location("left")
async def on_center_button_click(event):
set_location("center")
async def on_right_button_click(event):
set_location("right")
return idom.html.div(
idom.html.button(
{"onClick": on_left_button_click, "id": "left-button"}, "left button"
),
idom.html.button(
{"onClick": on_center_button_click, "id": "center-button"},
"center button",
),
idom.html.button(
{"onClick": on_right_button_click, "id": "right-button"}, "right button"
),
f"Last triggered on click: {last_memoized_location}",
)
async def ClickCount(self):
count, set_count = idom.hook.use_state(0)
async def increment(event):
set_count(count + 1)
return idom.html.button({"onClick": increment}, [f"Click count: {count}"])
async def Todo():
items, set_items = idom.hooks.use_state([])
async def add_new_task(event):
if event["key"] == "Enter":
set_items(items + [event["value"]])
tasks = []
for index, text in enumerate(items):
async def remove_task(event, index=index):
set_items(items[:index] + items[index + 1 :])
task_text = idom.html.td(idom.html.p(text))
delete_button = idom.html.td({"onClick": remove_task}, idom.html.button(["x"]))
tasks.append(idom.html.tr(task_text, delete_button))
task_input = idom.html.input({"onKeyDown": add_new_task})
task_table = idom.html.table(tasks)
return idom.html.div(task_input, task_table)