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On this page
  • Introduction
  • Function signature
  • Parameters
  • users
  • max_width
  • empty_text
  • widget_id
  • Methods and attributes
  • Mini App Example
  • Import libraries
  • Init API client
  • Define team ID
  • Get Team members and initialize MembersListSelector widget
  • Initialize MembersListPreview widget and Text widget for displaying number of selected members
  • Create app layout
  • Create app using layout
  • Add functions to control widgets from python code

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  1. App development
  2. Widgets
  3. Media

MembersListPreview

PreviousTagsListPreviewNextSelection

Last updated 6 months ago

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Introduction

Members List Preview widget simply displays a list of members. It can be used to display members that were selected by the user in the widget for example.

Function signature

members_list_preview = MembersListPreview(
    users=members,
    max_width=300,
    empty_text=None,
    widget_id=None,
)
default

Parameters

Parameters
Type
Description

users

List[UserInfo]

Supervisely UserInfo objects

max_width

int

Max width of the widget

empty_text

str

Text that will be displayed when there are no members in widget

widget_id

str

ID of the widget

users

List of UserInfo objects.

type: List[UserInfo]

members_list_preview = MembersListPreview(
    users=members
)

max_width

Set the maximum width of the widget in pixels.

type: int

default 300

members_list_preview = MembersListPreview(
    users=members,
    max_width=150
)

empty_text

Text that will be displayed when there are no members in the widget.

type: str

default None

empty_text = "No members selected"
members_list_preview = MembersListPreview(
    users=members,
    empty_text=empty_text
)

widget_id

ID of the widget.

type: str

default value: None

Methods and attributes

Attributes and Methods
Description

set()

Set users to the widget.

Mini App Example

In this example we will create a mini app with MembersListPreview widget. We will create a MembersListSelector widget and display selected members with MembersListPreview widget.

You can find this example in our Github repository:

Import libraries

import os
import supervisely as sly
from supervisely.app.widgets import (
    Card,
    Container,
    MembersListPreview,
    MembersListSelector,
    Text,
)
from dotenv import load_dotenv

Init API client

First, we load environment variables with credentials and init API for communicating with Supervisely Instance:

load_dotenv("local.env")
load_dotenv(os.path.expanduser("~/supervisely.env"))

api = sly.Api()

Define team ID

team_id = 8  # Change this to your team ID
# team_id = sly.env.team_id() # Uncomment this line to use the team ID from the local.env file

Get Team members and initialize MembersListSelector widget

members = api.user.get_team_members(team_id)
members_list_selector = MembersListSelector(members, multiple=True)

Initialize MembersListPreview widget and Text widget for displaying number of selected members

empty_text = Text("No members selected", "text")
members_list_preview = MembersListPreview(empty_text=empty_text)
preview_text = Text(f"Selected Members: 0 / {len(members)}", "text")
preview_container = Container([preview_text, members_list_preview])

Create app layout

Prepare a layout for app using Card widget with the content parameter and place widgets that we've previously created into the Container widget.

container = Container(widgets=[members_list_selector, preview_container])

card = Card(
    title="Members List Preview",
    content=container,
)

layout = card

Create app using layout

Create an app object with layout parameter.

app = sly.Application(layout=layout)

Add functions to control widgets from python code

@members_list_selector.selection_changed
def on_selection_changed(selected_members):
    preview_text.set(f"Selected Members: {len(selected_members)} / {len(members)}", "text")
    members_list_preview.set(selected_members)
empty-text

mini-app-min
🔥
supervisely-ecosystem/ui-widgets-demos/media/019_members_list_preview/src/main.py
Members List Selector