appkit-mantine 0.15.4

Mantine UI input components for Reflex with type safety and comprehensive examples

appkit-mantine

reflex.dev components based on MantineUI

A Reflex wrapper library focusing on Mantine UI v8.3.3 input components, designed for building robust forms and data entry interfaces in Python web applications.

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✨ Features

• 🎯 Input-Focused - Comprehensive coverage of form inputs: text, password, number, date, masked inputs, textarea, and rich text editor
• 🔒 Type-Safe - Full type annotations with IDE autocomplete support for all props and event handlers
• 📚 Rich Examples - Production-ready code examples for every component with common patterns and edge cases
• 🏗️ Clean Architecture - Inheritance-based design eliminating code duplication across 40+ common props
• 🎨 Mantine Integration - Seamless integration with Mantine's theming, color modes, and design system
• ⚡ Modern Stack - Built on Reflex 0.8.13+ with React 18 and Mantine 8.3.3

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📦 Installation

Using pip

pip install appkit-mantine

Using uv (recommended)

uv add appkit-mantine

Development Installation

For local development or to run the demo application:

# Clone the repository
git clone https://github.com/jenreh/appkit.git
cd appkit

# Install with uv (installs workspace components)
uv sync

# Run the demo app
reflex run

⚠️ Pre-release Notice: This library is in development. APIs may change before the 1.0 release.

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🚀 Quick Start

import reflex as rx
import appkit_mantine as mn

class FormState(rx.State):
    email: str = ""
    password: str = ""

def login_form() -> rx.Component:
    return rx.container(
        rx.vstack(
            rx.heading("Login"),

            # Basic input with validation
            mn.form.input(
                label="Email",
                placeholder="[e-mail]",
                value=FormState.email,
                on_change=FormState.set_email,
                required=True,
                type="email",
            ),

            # Password input with visibility toggle
            mn.password_input(
                label="Password",
                value=FormState.password,
                on_change=FormState.set_password,
                required=True,
            ),

            rx.button("Sign In", on_click=FormState.handle_login),
            spacing="4",
        ),
        max_width="400px",
    )

app = rx.App()
app.add_page(login_form)

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📋 Available Components

Inputs

Component	Description	Documentation
text_input	Basic text input / text inputs showcase	Guide
input	Polymorphic base input element with sections, variants, sizes	Examples
password_input	Password field with visibility toggle	Examples
date_input	Date picker with range constraints and formatting	Examples
number_input	Numeric input with formatting, min/max, step controls	Examples
textarea	Multi-line text input with auto-resize	Guide
json_input	JSON input with formatting, validation, parser, pretty printing	Examples
select	Dropdown select with data array, inherits input props	Examples
multi_select	Multi-select dropdown for selecting multiple values	Examples
rich_select	Advanced select component with search and grouping	Examples
tags_input	Free-form tags input component	Examples
autocomplete	Autocomplete input with string data array	Examples
rich_text_editor	WYSIWYG editor powered by Tiptap	Guide
masked_input	Input masking for phone numbers, credit cards, custom patterns	Guide

Buttons

Component	Description	Documentation
action_icon	Lightweight button for icons with size, variant, radius, disabled state	Examples
button	Button with variants, sizes, gradient, loading states, sections	Examples

Overlays

Component	Description	Documentation
modal	Accessible overlay dialog with focus trap and scroll lock	Examples
drawer	Overlay drawer area sliding from any side	Docs

Others

Component	Description	Documentation
markdown_preview	Markdown renderer with Mermaid diagrams and math support	Examples
navigation_progress	Page loading progress indicator	Examples
nav_link	Navigation link with label, description, icons, nested links, active/disabled states	Examples
number_formatter	Formats numeric input with parser/formatter, returns parsed value	Examples
scroll_area	Scrollable container with custom scrollbars and virtualization	Examples
table	Table component for tabular data display	Examples

Common Props (Inherited by All Inputs)

All input components inherit ~40 common props from MantineInputComponentBase:

# Input.Wrapper props
label="Field Label"
description="Helper text"
error="Validation error"
required=True
with_asterisk=True  # Show red asterisk for required fields

# Visual variants
variant="filled"  # "default" | "filled" | "unstyled"
size="md"  # "xs" | "sm" | "md" | "lg" | "xl"
radius="md"  # "xs" | "sm" | "md" | "lg" | "xl"

# State management
value=State.field_value
default_value="Initial value"
placeholder="Enter text..."
disabled=False

# Sections (icons, buttons)
left_section=rx.icon("search")
right_section=rx.button("Clear")
left_section_pointer_events="none"  # Click-through

# Mantine style props
w="100%"  # width
maw="500px"  # max-width
m="md"  # margin
p="sm"  # padding

# Event handlers
on_change=State.handle_change
on_focus=State.handle_focus
on_blur=State.handle_blur

📖 Usage Examples

Basic Input with Validation

import reflex as rx
import appkit_mantine as mn

class EmailState(rx.State):
    email: str = ""
    error: str = ""

    def validate_email(self):
        if "@" not in self.email:
            self.error = "Invalid email format"
        else:
            self.error = ""

def email_input():
    return mn.form.input(
        label="Email Address",
        description="We'll never share your email",
        placeholder="[e-mail]",
        value=EmailState.email,
        on_change=EmailState.set_email,
        on_blur=EmailState.validate_email,
        error=EmailState.error,
        required=True,
        type="email",
        left_section=rx.icon("mail"),
    )

Number Input with Formatting

class PriceState(rx.State):
    price: float = 0.0

def price_input():
    return mn.number_input(
        label="Product Price",
        value=PriceState.price,
        on_change=PriceState.set_price,
        prefix="$",
        decimal_scale=2,
        fixed_decimal_scale=True,
        thousand_separator=",",
        min=0,
        max=999999.99,
        step=0.01,
    )

Masked Input (Phone Number)

class PhoneState(rx.State):
    phone: str = ""

def phone_input():
    return mn.masked_input(
        label="Phone Number",
        mask="[phone]",
        value=PhoneState.phone,
        on_accept=PhoneState.set_phone,  # Note: on_accept, not on_change
        placeholder="[phone]",
    )

Date Input with Constraints

from datetime import date, timedelta

class BookingState(rx.State):
    checkin: str = ""

def date_picker():
    today = date.today()
    max_date = today + timedelta(days=365)

    return mn.date_input(
        label="Check-in Date",
        value=BookingState.checkin,
        on_change=BookingState.set_checkin,
        min_date=today.isoformat(),
        max_date=max_date.isoformat(),
        clear_button_props={"aria_label": "Clear date"},
    )

Rich Text Editor

class EditorState(rx.State):
    content: str = "<p>Start typing...</p>"

def editor():
    return mn.rich_text_editor(
        value=EditorState.content,
        on_change=EditorState.set_content,
        toolbar_config=mn.EditorToolbarConfig(
            controls=[
                mn.ToolbarControlGroup.FORMATTING,
                mn.ToolbarControlGroup.LISTS,
                mn.ToolbarControlGroup.LINKS,
            ]
        ),
    )

Action Icon

def action_icon_example():
    return mn.action_icon(
        rx.icon("heart"),
        variant="filled",
        color="red",
        size="lg",
        on_click=State.like_item,
    )

Autocomplete

class SearchState(rx.State):
    query: str = ""

def autocomplete_example():
    return mn.autocomplete(
        label="Search",
        placeholder="Type to search...",
        data=["Apple", "Banana", "Cherry"],
        value=SearchState.query,
        on_change=SearchState.set_query,
    )

Button

def button_example():
    return mn.button(
        "Click me",
        variant="gradient",
        gradient={"from": "blue", "to": "cyan"},
        size="lg",
        on_click=State.handle_click,
    )

Combobox

def combobox_example():
    return mn.combobox(
        label="Select option",
        data=[
            {"value": "react", "label": "React"},
            {"value": "vue", "label": "Vue"},
        ],
        on_option_submit=State.set_selected,
    )

Input

def input_example():
    return mn.input(
        placeholder="Enter text...",
        left_section=rx.icon("search"),
        right_section=rx.button("Clear"),
    )

JSON Input

class JsonState(rx.State):
    data: str = '{"name": "example"}'

def json_input_example():
    return mn.json_input(
        label="JSON Data",
        value=JsonState.data,
        on_change=JsonState.set_data,
        format_on_blur=True,
    )

Nav Link

def nav_link_example():
    return mn.nav_link(
        label="Dashboard",
        left_section=rx.icon("home"),
        active=True,
        on_click=State.navigate_to_dashboard,
    )

Number Formatter

class PriceState(rx.State):
    amount: float = 1234.56

def number_formatter_example():
    return mn.number_formatter(
        value=PriceState.amount,
        prefix="$",
        thousand_separator=",",
        decimal_scale=2,
    )

Select

class SelectState(rx.State):
    choice: str = ""

def select_example():
    return mn.select(
        label="Choose one",
        data=["Option 1", "Option 2", "Option 3"],
        value=SelectState.choice,
        on_change=SelectState.set_choice,
    )

📄 License

This project is licensed under the MIT License - see the LICENSE file for details.