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ritz/examples/tabs/Tabs.py
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"""
Tabs component - Beautiful multi-panel tab switching with proper composition.
Demonstrates:
- Component composition (TabMenu, TabPane)
- Match/case for clean panel switching
- Conditional CSS classes for active state
- All logic in WASM, minimal syntax
"""
from ritz.syntax import *
@component
def VerticalTabs():
"""Vertical tabs for settings categories."""
setting_tab = signal(0) # 0 = General, 1 = Privacy, 2 = Advanced
def set_setting_0():
setting_tab = 0
def set_setting_1():
setting_tab = 1
def set_setting_2():
setting_tab = 2
with Div(class_="vertical-tabs"):
# Vertical tab menu
with Div(class_="vertical-tab-menu"):
if setting_tab == 0:
with Button(class_="vertical-tab active", onclick=set_setting_0):
yield "⚙️ General"
else:
with Button(class_="vertical-tab", onclick=set_setting_0):
yield "⚙️ General"
if setting_tab == 1:
with Button(class_="vertical-tab active", onclick=set_setting_1):
yield "🔒 Privacy"
else:
with Button(class_="vertical-tab", onclick=set_setting_1):
yield "🔒 Privacy"
if setting_tab == 2:
with Button(class_="vertical-tab active", onclick=set_setting_2):
yield "🚀 Advanced"
else:
with Button(class_="vertical-tab", onclick=set_setting_2):
yield "🚀 Advanced"
# Vertical tab content
with Div(class_="vertical-tab-content"):
match setting_tab:
case 0:
with Div(class_="setting-pane"):
with H3():
yield "⚙️ General Settings"
with P():
yield "Language: English"
with P():
yield "Time Zone: UTC"
case 1:
with Div(class_="setting-pane"):
with H3():
yield "🔒 Privacy Settings"
with P():
yield "Data Collection: Disabled"
with P():
yield "Analytics: Opt-out"
case 2:
with Div(class_="setting-pane"):
with H3():
yield "🚀 Advanced Settings"
with P():
yield "Debug Mode: Off"
with P():
yield "Experimental Features: Disabled"
case _:
with Div(class_="setting-pane"):
with P():
yield "Invalid setting"
@component
def Tabs(orientation=0): # 0 = horizontal, 1 = vertical
"""Main tabs container - orchestrates menu and panes."""
tab_index = signal(0) # Track which tab is active: 0 = Home, 1 = Profile, 2 = Settings
def set_tab_0():
tab_index = 0
def set_tab_1():
tab_index = 1
def set_tab_2():
tab_index = 2
with Div(class_="tabs-container"):
with H1():
yield "Tab Component Demo"
with P(class_="subtitle"):
yield "Beautiful composition with TabMenu and TabPane components"
# Tab menu - ul/li structure with active states
with Ul(class_="tab-menu"):
if tab_index == 0:
with Li(class_="tab active"):
with Button(onclick=set_tab_0):
yield "🏠 Home"
else:
with Li(class_="tab"):
with Button(onclick=set_tab_0):
yield "🏠 Home"
if tab_index == 1:
with Li(class_="tab active"):
with Button(onclick=set_tab_1):
yield "👤 Profile"
else:
with Li(class_="tab"):
with Button(onclick=set_tab_1):
yield "👤 Profile"
if tab_index == 2:
with Li(class_="tab active"):
with Button(onclick=set_tab_2):
yield "⚙️ Settings"
else:
with Li(class_="tab"):
with Button(onclick=set_tab_2):
yield "⚙️ Settings"
# Tab panes - match/case for clean switching
with Div(class_="tab-content"):
match tab_index:
case 0:
# Home pane
with Div(class_="tab-pane home"):
with H2():
yield "🏠 Welcome Home"
with P():
yield "This is your home dashboard."
with P():
yield "All your important info at a glance."
with Ul():
with Li():
yield "✓ Recent activity"
with Li():
yield "✓ Quick actions"
with Li():
yield "✓ Summary stats"
case 1:
# Profile pane
with Div(class_="tab-pane profile"):
with H2():
yield "👤 Your Profile"
with P():
yield "Manage your account settings."
with Div(class_="profile-info"):
with P():
yield "Name: Ritz User"
with P():
yield "Email: user@ritz.dev"
with P():
yield "Member since: 2025"
case 2:
# Settings pane with NESTED vertical tabs!
with Div(class_="tab-pane settings"):
with H2():
yield "⚙️ Settings"
with P():
yield "Configure your preferences using the categories below:"
# ← NESTED COMPONENT HERE!
yield VerticalTabs()
case _:
# Error fallback
with Div(class_="tab-pane error"):
with P():
yield "⚠️ Invalid tab selected"
# Debug footer
with Div(class_="debug-footer"):
with P():
yield f"Active: {tab_index}"