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r"""
Installation requirements:
pip install trame trame-vuetify pandas
"""
import pandas as pd
from trame.app import get_server
from trame.ui.vuetify3 import SinglePageLayout
from trame.widgets import html
from trame.widgets import vuetify3 as vuetify
server = get_server(client_type="vue3")
state, ctrl = server.state, server.controller
state.setdefault("active_ui", None)
# --------------------------------------------------------------------------------
# Loading dataframe
# --------------------------------------------------------------------------------
data = [
{
"name": "Frozen Yogurt",
"calories": 200,
"fat": 6,
"carbs": 24,
"protein": 4,
"iron": "1%",
"glutenfree": True,
},
{
"name": "Ice cream sandwich",
"calories": 200,
"fat": 9,
"carbs": 37,
"protein": 4.3,
"iron": "1%",
"glutenfree": False,
},
{
"name": "Eclair",
"calories": 300,
"fat": 16,
"carbs": 23,
"protein": 6,
"iron": "7%",
"glutenfree": False,
},
{
"name": "Cupcake",
"calories": 300,
"fat": 3.7,
"carbs": 67,
"protein": 4.3,
"iron": "8%",
"glutenfree": True,
},
{
"name": "Gingerbread",
"calories": 400,
"fat": 16,
"carbs": 49,
"protein": 3.9,
"iron": "16%",
"glutenfree": True,
},
{
"name": "Jelly bean",
"calories": 400,
"fat": 0,
"carbs": 94,
"protein": 0,
"iron": "0%",
"glutenfree": False,
},
{
"name": "Lollipop",
"calories": 400,
"fat": 0.2,
"carbs": 98,
"protein": 0,
"iron": "2%",
"glutenfree": True,
},
{
"name": "Honeycomb",
"calories": 400,
"fat": 3.2,
"carbs": 87,
"protein": 6.5,
"iron": "45%",
"glutenfree": True,
},
{
"name": "Donut",
"calories": 500,
"fat": 25,
"carbs": 51,
"protein": 4.9,
"iron": "22%",
"glutenfree": True,
},
{
"name": "KitKat",
"calories": 500,
"fat": 26,
"carbs": 65,
"protein": 7,
"iron": "6%",
"glutenfree": True,
},
]
frame = pd.DataFrame.from_dict(data)
# --------------------------------------------------------------------------------
# Configure table columns and options
# --------------------------------------------------------------------------------
# fmt: off
headers = [
{"key": "name", "title": "Dessert", "align": "start", "sortable": False},
{"key": "calories", "title": "Calories"},
{"key": "fat", "title": "Fat (g)"},
{"key": "carbs", "title": "Carbs (g)"},
{"key": "protein", "title": "Protein (g)"},
{"key": "iron", "title": "Iron (%)"},
{"key": "glutenfree", "title": "Gluten-Free"},
]
state.setdefault("group_by", [{"key": "glutenfree", "order": "asc"}])
# fmt: on
_, rows = vuetify.dataframe_to_grid(frame)
table = {
"group_by": ("group_by",),
"headers": ("headers", headers),
"items": ("rows", rows),
"search": ("query", ""),
"classes": "elevation-1 ma-4",
"multi_sort": True,
"dense": True,
"items_per_page": 10,
}
# --------------------------------------------------------------------------------
# GUI
# --------------------------------------------------------------------------------
@state.change("rows")
def update_values(rows, **kwargs):
print("rows changed")
# print(rows)
with SinglePageLayout(server) as layout:
layout.title.set_text("Vuetify table example")
with layout.toolbar:
vuetify.VSpacer()
vuetify.VTextField(
v_model=("query", ""),
placeholder="Search",
dense=True,
hide_details=True,
)
with layout.content:
state.rows = rows
with vuetify.VDataTable(**table):
with vuetify.Template(
group_header="{ item, columns, toggleGroup, isGroupOpen }",
__properties=[
("group_header", "v-slot:group-header"),
],
):
with html.Tr():
with html.Td(colspan=("columns.length",)):
vuetify.VBtn(
icon=("isGroupOpen(item) ? '$expand' : '$next'",),
size="small",
variant="text",
click="toggleGroup(item)",
)
html.Span("{{ item.value ?'Gluten free' : 'Contains gluten' }}")
with vuetify.Template(
calories="{ item }",
__properties=[
("calories", "v-slot:item.calories"),
],
):
vuetify.VChip(
"{{ item.calories }}",
color=("item.color",),
dark=True,
)
with vuetify.Template(
glutenfree="{ item }",
__properties=[
("glutenfree", "v-slot:item.glutenfree"),
],
):
vuetify.VCheckbox(
"{{ item.glutenfree }}",
v_model=("item.glutenfree",),
disabled=False,
input="flushState('rows')",
)
if __name__ == "__main__":
server.start()
|
