globalforest/kivymd/uix/datatables.py
2020-10-14 23:38:48 +03:00

971 lines
30 KiB
Python

"""
Components/DataTables
=====================
.. seealso::
`Material Design spec, DataTables <https://material.io/components/data-tables>`_
.. rubric:: Data tables display sets of data across rows and columns.
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/data-tables-previous.png
:align: center
.. warning::
Data tables are still far from perfect. Errors are possible and we hope
you inform us about them.
"""
# Special thanks for the info -
# https://stackoverflow.com/questions/50219281/python-how-to-add-vertical-scroll-in-recycleview
__all__ = ("MDDataTable",)
from kivy import Logger
from kivy.clock import Clock
from kivy.lang import Builder
from kivy.metrics import dp
from kivy.properties import (
BooleanProperty,
DictProperty,
ListProperty,
NumericProperty,
ObjectProperty,
OptionProperty,
StringProperty,
)
from kivy.uix.behaviors import ButtonBehavior, FocusBehavior
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.recyclegridlayout import RecycleGridLayout
from kivy.uix.recycleview import RecycleView
from kivy.uix.recycleview.layout import LayoutSelectionBehavior
from kivy.uix.recycleview.views import RecycleDataViewBehavior
from kivy.uix.scrollview import ScrollView
from kivymd.theming import ThemableBehavior
from kivymd.uix.behaviors import HoverBehavior
from kivymd.uix.boxlayout import MDBoxLayout
from kivymd.uix.dialog import BaseDialog
from kivymd.uix.menu import MDDropdownMenu
from kivymd.uix.tooltip import MDTooltip
Builder.load_string(
"""
#:import DEVICE_TYPE kivymd.material_resources.DEVICE_TYPE
#:import StiffScrollEffect kivymd.stiffscroll.StiffScrollEffect
<CellRow>
orientation: "vertical"
canvas.before:
Color:
rgba:
(root.theme_cls.bg_darkest if root.theme_cls.theme_style == "Light" else root.theme_cls.bg_light) \
if self.selected else root.theme_cls.bg_normal
Rectangle:
pos: self.pos
size: self.size
on_press: if DEVICE_TYPE != "desktop": root.table.on_mouse_select(self)
on_enter: if DEVICE_TYPE == "desktop": root.table.on_mouse_select(self)
MDBoxLayout:
id: box
padding: "8dp", "8dp", 0, "8dp"
spacing: "16dp"
MDCheckbox:
id: check
size_hint: None, None
size: 0, 0
opacity: 0
on_active: root.select_check(self.active)
MDLabel:
id: label
text: " " + root.text
color: (1, 1, 1, 1) if root.theme_cls.theme_style == "Dark" else (0, 0, 0, 1)
MDSeparator:
<CellHeader>
orientation: "vertical"
size_hint_y: None
height: self.minimum_height
spacing: "4dp"
tooltip_text: root.text
MDLabel:
text: " " + root.text
size_hint_y: None
height: self.texture_size[1]
bold: True
color: (1, 1, 1, 1) if root.theme_cls.theme_style == "Dark" else (0, 0, 0, 1)
MDSeparator:
id: separator
<TableHeader>
bar_width: 0
do_scroll: False
size_hint: 1, None
height: header.height
MDGridLayout:
id: header
rows: 1
cols_minimum: root.cols_minimum
adaptive_size: True
padding: 0, "8dp", 0, 0
MDBoxLayout:
orientation: "vertical"
MDBoxLayout:
id: box
padding: "8dp", "8dp", "4dp", 0
spacing: "16dp"
MDCheckbox:
id: check
size_hint: None, None
size: 0, 0
opacity: 0
on_active: root.table_data.select_all(self.state)
disabled: True
#MDIconButton:
# id: sort_button
# icon: "menu-up"
# pos_hint: {"center_y": 1}
# ripple_scale: .65
# on_release: root.table_data.sort_by_name()
CellHeader:
id: first_cell
MDSeparator:
<TableData>
data: root.recycle_data
data_first_cells: root.data_first_cells
key_viewclass: "viewclass"
effect_cls: StiffScrollEffect
TableRecycleGridLayout:
id: row_controller
key_selection: "selectable"
cols: root.total_col_headings
cols_minimum: root.cols_minimum
default_size: None, dp(52)
default_size_hint: 1, None
size_hint: None, None
height: self.minimum_height
width: self.minimum_width
orientation: "vertical"
multiselect: True
touch_multiselect: True
<TablePagination>
adaptive_height: True
spacing: "8dp"
Widget:
MDLabel:
text: "Rows per page"
size_hint: None, 1
width: self.texture_size[0]
text_size: None, None
font_style: "Caption"
color: (1, 1, 1, 1) if root.theme_cls.theme_style == "Dark" else (0, 0, 0, 1)
MDDropDownItem:
id: drop_item
pos_hint: {'center_y': .5}
text: str(root.table_data.rows_num)
font_size: "14sp"
on_release: root.table_data.open_pagination_menu()
Widget:
size_hint_x: None
width: "32dp"
MDLabel:
id: label_rows_per_page
text: f"1-{root.table_data.rows_num} of {len(root.table_data.row_data)}"
size_hint: None, 1
#width: self.texture_size[0]
text_size: None, None
font_style: "Caption"
color: (1, 1, 1, 1) if root.theme_cls.theme_style == "Dark" else (0, 0, 0, 1)
MDIconButton:
id: button_back
icon: "chevron-left"
user_font_size: "20sp"
pos_hint: {'center_y': .5}
disabled: True
on_release: root.table_data.set_next_row_data_parts("back")
MDIconButton:
id: button_forward
icon: "chevron-right"
user_font_size: "20sp"
pos_hint: {'center_y': .5}
on_release: root.table_data.set_next_row_data_parts("forward")
<MDDataTable>
MDCard:
id: container
orientation: "vertical"
elevation: 14
md_bg_color: 0, 0, 0, 0
padding: "24dp", "24dp", "8dp", "8dp"
canvas:
Color:
rgba: root.theme_cls.bg_normal
RoundedRectangle:
pos: self.pos
size: self.size
"""
)
class TableRecycleGridLayout(
FocusBehavior, LayoutSelectionBehavior, RecycleGridLayout
):
selected_row = NumericProperty(0)
table_data = ObjectProperty(None)
def get_nodes(self):
nodes = self.get_selectable_nodes()
if self.nodes_order_reversed:
nodes = nodes[::-1]
if not nodes:
return None, None
selected = self.selected_nodes
if not selected: # nothing selected, select the first
self.selected_row = 0
self.select_row(nodes)
return None, None
if len(nodes) == 1: # the only selectable node is selected already
return None, None
index = selected[-1]
if index > len(nodes):
last = len(nodes)
else:
last = nodes.index(index)
self.clear_selection()
return last, nodes
def select_next(self, instance):
"""Select next row."""
self.table_data = instance
last, nodes = self.get_nodes()
if not nodes:
return
if last == len(nodes) - 1:
self.selected_row = nodes[0]
else:
self.selected_row = nodes[last + 1]
self.selected_row += self.table_data.total_col_headings
self.select_row(nodes)
def select_current(self, instance):
"""Select current row."""
self.table_data = instance
last, nodes = self.get_nodes()
if not nodes:
return
self.select_row(nodes)
def select_row(self, nodes):
col = self.table_data.recycle_data[self.selected_row]["range"]
for x in range(col[0], col[1] + 1):
self.select_node(nodes[x])
class CellRow(
ThemableBehavior,
RecycleDataViewBehavior,
HoverBehavior,
ButtonBehavior,
BoxLayout,
):
text = StringProperty() # row text
table = ObjectProperty() # <TableData object>
index = None
selected = BooleanProperty(False)
selectable = BooleanProperty(True)
def on_table(self, instance, table):
"""Sets padding/spacing to zero if no checkboxes are used for rows."""
if not table.check:
self.ids.box.padding = 0
self.ids.box.spacing = 0
def refresh_view_attrs(self, table_data, index, data):
"""
Called by the :class:`RecycleAdapter` when the view is initially
populated with the values from the `data` dictionary for this item.
Any pos or size info should be removed because they are set
subsequently with :attr:`refresh_view_layout`.
:Parameters:
`table_data`: :class:`TableData` instance
The :class:`TableData` that caused the update.
`data`: dict
The data dict used to populate this view.
"""
self.index = index
return super().refresh_view_attrs(table_data, index, data)
def on_touch_down(self, touch):
if super().on_touch_down(touch):
if self.table._parent:
self.table._parent.dispatch("on_row_press", self)
return True
def apply_selection(self, table_data, index, is_selected):
"""Called when list items of table appear on the screen."""
self.selected = is_selected
# Set checkboxes.
if table_data.check:
if self.text in table_data.data_first_cells:
self.ids.check.size = (dp(32), dp(32))
self.ids.check.opacity = 1
self.ids.box.spacing = dp(16)
self.ids.box.padding[0] = dp(8)
else:
self.ids.check.size = (0, 0)
self.ids.check.opacity = 0
self.ids.box.spacing = 0
self.ids.box.padding[0] = 0
# Set checkboxes state.
if table_data._rows_number in table_data.current_selection_check:
for index in table_data.current_selection_check[
table_data._rows_number
]:
if (
self.index
in table_data.current_selection_check[
table_data._rows_number
]
):
self.ids.check.state = "down"
else:
self.ids.check.state = "normal"
else:
self.ids.check.state = "normal"
def select_check(self, active):
"""Called upon activation/deactivation of the checkbox."""
if active and self.index not in self.table.current_selection_check:
if (
self.table._rows_number
not in self.table.current_selection_check
):
self.table.current_selection_check[self.table._rows_number] = []
if (
self.index
not in self.table.current_selection_check[
self.table._rows_number
]
):
self.table.current_selection_check[
self.table._rows_number
].append(self.index)
else:
if self.table._rows_number in self.table.current_selection_check:
if (
self.index
in self.table.current_selection_check[
self.table._rows_number
]
and not active
):
self.table.current_selection_check[
self.table._rows_number
].remove(self.index)
self.table.get_select_row(self.index)
class CellHeader(MDTooltip, BoxLayout):
text = StringProperty() # column text
class TableHeader(ScrollView):
table_data = ObjectProperty() # <TableData object>
column_data = ListProperty() # MDDataTable.column_data
col_headings = ListProperty() # column names list
sort = BooleanProperty(False) # MDDataTable.sort
# kivy.uix.gridlayout.GridLayout.cols_minimum
cols_minimum = DictProperty()
def __init__(self, **kwargs):
super().__init__(**kwargs)
# Create cells.
for i, col_heading in enumerate(self.column_data):
self.cols_minimum[i] = col_heading[1] * 5
self.col_headings.append(col_heading[0])
if i:
self.ids.header.add_widget(
CellHeader(text=col_heading[0], width=self.cols_minimum[i])
)
else:
# Sets the text in the first cell.
self.ids.first_cell.text = col_heading[0]
self.ids.first_cell.ids.separator.height = 0
self.ids.first_cell.width = self.cols_minimum[i]
def on_table_data(self, instance, value):
"""Sets the checkbox in the first cell."""
if self.table_data.check:
self.ids.check.size = (dp(32), dp(32))
self.ids.check.opacity = 1
else:
self.ids.box.padding[0] = 0
self.ids.box.spacing = 0
def on_sort(self, instance, value):
"""Rows sorting method."""
Logger.info("TableData: Sorting table items is not implemented")
# if not self.sort:
# self.ids.sort_button.size = (0, 0)
# self.ids.sort_button.opacity = 0
class TableData(RecycleView):
recycle_data = ListProperty() # kivy.uix.recycleview.RecycleView.data
data_first_cells = ListProperty() # list of first row cells
row_data = ListProperty() # MDDataTable.row_data
total_col_headings = NumericProperty(0) # TableHeader.col_headings
cols_minimum = DictProperty() # TableHeader.cols_minimum
table_header = ObjectProperty() # <TableHeader object>
pagination_menu = ObjectProperty() # <MDDropdownMenu object>
pagination = ObjectProperty() # <TablePagination object>
check = ObjectProperty() # MDDataTable.check
rows_num = NumericProperty() # number of rows displayed on the table page
# Open or close the menu for selecting the number of rows displayed
# on the table page.
pagination_menu_open = BooleanProperty(False)
# List of indexes of marked checkboxes.
current_selection_check = DictProperty()
sort = BooleanProperty()
_parent = ObjectProperty()
_rows_number = NumericProperty(0)
_rows_num = NumericProperty()
_current_value = NumericProperty(1)
_to_value = NumericProperty()
_row_data_parts = ListProperty()
def __init__(self, table_header, **kwargs):
super().__init__(**kwargs)
self.table_header = table_header
self.total_col_headings = len(table_header.col_headings)
self.cols_minimum = table_header.cols_minimum
self.set_row_data()
Clock.schedule_once(self.set_default_first_row, 0)
def get_select_row(self, index):
"""Returns the current row with all elements."""
row = []
for data in self.recycle_data:
if index in data["range"]:
row.append(data["text"])
self._parent.dispatch("on_check_press", row)
def set_default_first_row(self, dt):
"""Set default first row as selected."""
self.ids.row_controller.select_next(self)
def sort_by_name(self):
"""Sorts table data."""
# TODO: implement a rows sorting method.
def set_row_data(self):
data = []
low = 0
high = self.total_col_headings - 1
self.recycle_data = []
self.data_first_cells = []
if self._row_data_parts:
# for row in self.row_data:
for row in self._row_data_parts[self._rows_number]:
for i in range(len(row)):
data.append([row[i], row[0], [low, high]])
low += self.total_col_headings
high += self.total_col_headings
for j, x in enumerate(data):
if x[0] == x[1]:
self.data_first_cells.append(x[0])
self.recycle_data.append(
{
"text": str(x[0]),
"Index": str(x[1]),
"range": x[2],
"selectable": True,
"viewclass": "CellRow",
"table": self,
}
)
if not self.table_header.column_data:
raise ValueError("Set value for column_data in class TableData")
self.data_first_cells.append(self.table_header.column_data[0][0])
def set_text_from_of(self, direction):
"""Sets the text of the numbers of displayed pages in table."""
if self.pagination:
if direction == "forward":
if (
len(self._row_data_parts[self._rows_number])
< self._to_value
):
self._current_value = self._current_value + self.rows_num
else:
self._current_value = self._current_value + len(
self._row_data_parts[self._rows_number]
)
self._to_value = self._to_value + len(
self._row_data_parts[self._rows_number]
)
if direction == "back":
self._current_value = self._current_value - len(
self._row_data_parts[self._rows_number]
)
self._to_value = self._to_value - len(
self._row_data_parts[self._rows_number + 1]
)
if direction == "increment":
self._current_value = 1
self._to_value = self.rows_num + self._current_value - 1
self.pagination.ids.label_rows_per_page.text = f"{self._current_value}-{self._to_value} of {len(self.row_data)}"
def select_all(self, state):
"""Sets the checkboxes of all rows to the active/inactive position."""
# FIXME: fix the work of selecting all cells..
for i, data in enumerate(self.recycle_data):
opts = self.layout_manager.view_opts
cell_row_obj = self.view_adapter.get_view(
i, self.data[i], opts[i]["viewclass"]
)
cell_row_obj.ids.check.state = state
self.on_mouse_select(cell_row_obj)
cell_row_obj.select_check(True if state == "down" else False)
def close_pagination_menu(self, *args):
"""Called when the pagination menu window is closed."""
self.pagination_menu_open = False
def open_pagination_menu(self):
"""Open pagination menu window."""
if self.pagination_menu.items:
self.pagination_menu_open = True
self.pagination_menu.open()
def set_number_displayed_lines(self, instance_menu, instance_menu_item):
"""
Called when the user sets the number of pages displayed
in the table.
"""
self.rows_num = int(instance_menu_item.text)
self.set_row_data()
self.set_text_from_of("increment")
def set_next_row_data_parts(self, direction):
"""Called when switching the pages of the table."""
if direction == "forward":
self._rows_number += 1
self.pagination.ids.button_back.disabled = False
elif direction == "back":
self._rows_number -= 1
self.pagination.ids.button_forward.disabled = False
self.set_row_data()
self.set_text_from_of(direction)
if self._to_value == len(self.row_data):
self.pagination.ids.button_forward.disabled = True
if self._current_value == 1:
self.pagination.ids.button_back.disabled = True
def _split_list_into_equal_parts(self, lst, parts):
for i in range(0, len(lst), parts):
yield lst[i : i + parts]
def on_mouse_select(self, instance):
"""Called on the ``on_enter`` event of the :class:`~CellRow` class"""
if not self.pagination_menu_open:
if self.ids.row_controller.selected_row != instance.index:
self.ids.row_controller.selected_row = instance.index
self.ids.row_controller.select_current(self)
def on_rows_num(self, instance, value):
if not self._to_value:
self._to_value = value
self._rows_number = 0
self._row_data_parts = list(
self._split_list_into_equal_parts(self.row_data, value)
)
# def on_pagination(self, instance_table, instance_pagination):
# if len(self._row_data_parts) <= self._to_value:
# instance_pagination.ids.button_forward.disabled = True
class TablePagination(ThemableBehavior, MDBoxLayout):
"""Pagination Container."""
table_data = ObjectProperty() # <TableData object>
class MDDataTable(BaseDialog):
"""
:Events:
:attr:`on_row_press`
Called when a table row is clicked.
:attr:`on_check_press`
Called when the check box in the table row is checked.
.. rubric:: Use events as follows
.. code-block:: python
from kivy.metrics import dp
from kivymd.app import MDApp
from kivymd.uix.datatables import MDDataTable
class Example(MDApp):
def build(self):
self.data_tables = MDDataTable(
size_hint=(0.9, 0.6),
use_pagination=True,
check=True,
column_data=[
("No.", dp(30)),
("Column 1", dp(30)),
("Column 2", dp(30)),
("Column 3", dp(30)),
("Column 4", dp(30)),
("Column 5", dp(30)),
],
row_data=[
(f"{i + 1}", "2.23", "3.65", "44.1", "0.45", "62.5")
for i in range(50)
],
)
self.data_tables.bind(on_row_press=self.on_row_press)
self.data_tables.bind(on_check_press=self.on_check_press)
def on_start(self):
self.data_tables.open()
def on_row_press(self, instance_table, instance_row):
'''Called when a table row is clicked.'''
print(instance_table, instance_row)
def on_check_press(self, instance_table, current_row):
'''Called when the check box in the table row is checked.'''
print(instance_table, current_row)
Example().run()
"""
column_data = ListProperty()
"""
Data for header columns.
.. code-block:: python
from kivy.metrics import dp
from kivymd.app import MDApp
from kivymd.uix.datatables import MDDataTable
class Example(MDApp):
def build(self):
self.data_tables = MDDataTable(
size_hint=(0.9, 0.6),
# name column, width column
column_data=[
("Column 1", dp(30)),
("Column 2", dp(30)),
("Column 3", dp(30)),
("Column 4", dp(30)),
("Column 5", dp(30)),
("Column 6", dp(30)),
],
)
def on_start(self):
self.data_tables.open()
Example().run()
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/data-tables-column-data.png
:align: center
:attr:`column_data` is an :class:`~kivy.properties.ListProperty`
and defaults to `[]`.
"""
row_data = ListProperty()
"""
Data for rows.
.. code-block:: python
from kivy.metrics import dp
from kivymd.app import MDApp
from kivymd.uix.datatables import MDDataTable
class Example(MDApp):
def build(self):
self.data_tables = MDDataTable(
size_hint=(0.9, 0.6),
column_data=[
("Column 1", dp(30)),
("Column 2", dp(30)),
("Column 3", dp(30)),
("Column 4", dp(30)),
("Column 5", dp(30)),
("Column 6", dp(30)),
],
row_data=[
# The number of elements must match the length
# of the `column_data` list.
("1", "2", "3", "4", "5", "6"),
("1", "2", "3", "4", "5", "6"),
],
)
def on_start(self):
self.data_tables.open()
Example().run()
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/data-tables-row-data.png
:align: center
:attr:`row_data` is an :class:`~kivy.properties.ListProperty`
and defaults to `[]`.
"""
sort = BooleanProperty(False)
"""
Whether to display buttons for sorting table items.
:attr:`sort` is an :class:`~kivy.properties.BooleanProperty`
and defaults to `False`.
"""
check = BooleanProperty(False)
"""
Use or not use checkboxes for rows.
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/data-tables-check.gif
:align: center
:attr:`check` is an :class:`~kivy.properties.BooleanProperty`
and defaults to `False`.
"""
use_pagination = BooleanProperty(False)
"""
Use page pagination for table or not.
.. code-block:: python
from kivymd.app import MDApp
from kivymd.uix.datatables import MDDataTable
class Example(MDApp):
def build(self):
self.data_tables = MDDataTable(
size_hint=(0.9, 0.6),
use_pagination=True,
column_data=[
("No.", dp(30)),
("Column 1", dp(30)),
("Column 2", dp(30)),
("Column 3", dp(30)),
("Column 4", dp(30)),
("Column 5", dp(30)),
],
row_data=[
(f"{i + 1}", "1", "2", "3", "4", "5") for i in range(50)
],
)
def on_start(self):
self.data_tables.open()
Example().run()
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/data-tables-use-pagination.png
:align: center
:attr:`use_pagination` is an :class:`~kivy.properties.BooleanProperty`
and defaults to `False`.
"""
rows_num = NumericProperty(5)
"""
The number of rows displayed on one page of the table.
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/data-tables-use-pagination.gif
:align: center
:attr:`rows_num` is an :class:`~kivy.properties.NumericProperty`
and defaults to `10`.
"""
pagination_menu_pos = OptionProperty("center", options=["center", "auto"])
"""
Menu position for selecting the number of displayed rows.
Available options are `'center'`, `'auto'`.
.. rubric:: Center
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/data-tables-menu-pos-center.png
:align: center
.. rubric:: Auto
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/data-tables-menu-pos-auto.png
:align: center
:attr:`pagination_menu_pos` is an :class:`~kivy.properties.OptionProperty`
and defaults to `'center'`.
"""
pagination_menu_height = NumericProperty("140dp")
"""
Menu height for selecting the number of displayed rows.
.. rubric:: 140dp
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/data-tables-menu-height-140.png
:align: center
.. rubric:: 240dp
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/data-tables-menu-height-240.png
:align: center
:attr:`pagination_menu_height` is an :class:`~kivy.properties.NumericProperty`
and defaults to `'140dp'`.
"""
background_color = ListProperty([0, 0, 0, 0])
"""
Background color in the format (r, g, b, a).
See :attr:`~kivy.uix.modalview.ModalView.background_color`.
:attr:`background_color` is a :class:`~kivy.properties.ListProperty` and
defaults to [0, 0, 0, .7].
"""
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.register_event_type("on_row_press")
self.register_event_type("on_check_press")
self.header = TableHeader(column_data=self.column_data, sort=self.sort)
self.table_data = TableData(
self.header,
row_data=self.row_data,
check=self.check,
rows_num=self.rows_num,
_parent=self,
)
self.pagination = TablePagination(table_data=self.table_data)
self.table_data.pagination = self.pagination
self.header.table_data = self.table_data
self.table_data.fbind("scroll_x", self._scroll_with_header)
self.ids.container.add_widget(self.header)
self.ids.container.add_widget(self.table_data)
if self.use_pagination:
self.ids.container.add_widget(self.pagination)
Clock.schedule_once(self.create_pagination_menu, 0.5)
def on_row_press(self, *args):
"""Called when a table row is clicked."""
def on_check_press(self, *args):
"""Called when the check box in the table row is checked."""
def _scroll_with_header(self, instance, value):
self.header.scroll_x = value
def create_pagination_menu(self, interval):
menu_items = [
{"text": f"{i}"}
for i in range(
self.rows_num, len(self.row_data) // 2, self.rows_num
)
]
pagination_menu = MDDropdownMenu(
caller=self.pagination.ids.drop_item,
items=menu_items,
position=self.pagination_menu_pos,
max_height=self.pagination_menu_height,
width_mult=2,
)
pagination_menu.bind(
on_release=self.table_data.set_number_displayed_lines,
on_dismiss=self.table_data.close_pagination_menu,
)
self.table_data.pagination_menu = pagination_menu