"""The Hitchhiker's Guide dashboard from the Prefab welcome page. Run with: prefab serve examples/hitchhikers-guide/dashboard.py prefab export examples/hitchhikers-guide/dashboard.py """ from prefab_ui import PrefabApp from prefab_ui.actions import SetInterval, SetState, ShowToast from prefab_ui.components import ( Alert, AlertDescription, AlertTitle, Badge, Button, Card, CardContent, CardDescription, CardFooter, CardHeader, CardTitle, Carousel, Checkbox, Column, Combobox, ComboboxOption, DataTable, DataTableColumn, DatePicker, Dialog, Grid, GridItem, HoverCard, Loader, Metric, Muted, P, Progress, Radio, RadioGroup, Ring, Row, Separator, Slider, Switch, Text, Tooltip, ) from prefab_ui.components.charts import ( BarChart, ChartSeries, RadarChart, Sparkline, ) from prefab_ui.components.control_flow import Else, If from prefab_ui.rx import Rx ctx_tick = Rx("ctx_tick") # Context window: climbs from 24% to ~78%, then resets ctx_pct = (ctx_tick % 20) * 3 + 20 ctx_variant = (ctx_pct > 70).then( "destructive", (ctx_pct <= 33).then("success", "default") ) with PrefabApp( title="Prefab Showcase", state={"ctx_tick": 0, "improbability": 42}, on_mount=SetInterval( 400, on_tick=SetState("ctx_tick", ctx_tick + 1), ), ) as app: with Grid(columns={"default": 1, "md": 2, "lg": 4}, gap=4): # ── Col 1 ───────────────────────────────────────────────────────── with Column(gap=4): with Card(): with CardHeader(): CardTitle("Register Towel") CardDescription("The most important item in the galaxy") with CardContent(): with Column(gap=3): with Combobox( placeholder="Type...", search_placeholder="Search types...", ): ComboboxOption("Bath", value="bath") ComboboxOption("Beach", value="beach") ComboboxOption("Interstellar", value="interstellar") ComboboxOption("Microfiber", value="micro") DatePicker(placeholder="Registration date") with CardFooter(): with Row(gap=2): with Dialog( title="Towel Registered!", description="Your towel has been added to the galactic registry.", ): Button("Register") Text("Don't forget to bring it.") Button("Cancel", variant="outline") with If("{{ !pressed }}"): Button( "This is probably the best button to press.", variant="success", on_click=SetState("pressed", True), ) with Else(): Button( "Please do not press this button again.", variant="destructive", on_click=SetState("pressed", False), ) with Card(): with CardHeader(): CardTitle("Ship Status") with CardContent(): with Column(gap=3): with Row( align="center", css_class="justify-between", ): Text("heart-of-gold") with HoverCard(open_delay=0, close_delay=200): Badge("In Orbit", variant="default") with Column(gap=2): Text("heart-of-gold") Muted("Deployed 2h ago") Progress( value=100, max=100, variant="success", ) Progress( value=100, max=100, indicator_class="bg-yellow-400", ) with Row( align="center", css_class="justify-between", ): Text("vogon-poetry") with Tooltip("64% — ETA 12 min", delay=0): with Badge(variant="secondary"): Loader(size="sm") Text("Deploying") Progress(value=64, max=100) with Row( align="center", css_class="justify-between", ): Text("deep-thought") with Tooltip( "Computing... 7.5 million years remaining", delay=0, ): with Badge(variant="outline"): Loader(size="sm", variant="ios") Text("Soon...") Progress(value=12, max=100) with Card(): with CardHeader(): CardTitle("Planet Ratings") with CardContent(): RadarChart( data=[ {"axis": "Views", "earth": 30, "mag": 95}, {"axis": "Fjords", "earth": 65, "mag": 100}, {"axis": "Pubs", "earth": 90, "mag": 10}, {"axis": "Mice", "earth": 40, "mag": 85}, {"axis": "Tea", "earth": 95, "mag": 15}, {"axis": "Safety", "earth": 45, "mag": 70}, ], series=[ ChartSeries(dataKey="earth", label="Earth"), ChartSeries(dataKey="mag", label="Magrathea"), ], axis_key="axis", height=200, show_legend=True, show_tooltip=True, ) # ── Col 2 ───────────────────────────────────────────────────────── with Column(gap=4): with Card(): with CardHeader(): CardTitle("Survival Odds") with CardContent(css_class="w-fit mx-auto"): Ring( value=42, label="42%", variant="info", size="lg", thickness=12, indicator_class="group-hover:drop-shadow-[0_0_24px_rgba(59,130,246,0.9)]", ) with Card(): with CardHeader(): with Row(gap=2, align="center"): CardTitle("Improbability Drive") Loader( variant="pulse", size="sm", css_class="text-blue-500", ) with CardContent(): with Column(gap=2): Slider( min=0, max=100, value=42, name="improbability", ) with Row( align="center", css_class="justify-between", ): Muted("Probable") Muted("Infinite") with Carousel(auto_advance=3000, show_controls=False, direction="up"): with Alert(variant="success", icon="circle-check"): AlertTitle("Don't Panic") AlertDescription("Normality achieved.") with Alert(variant="destructive", icon="triangle-alert"): AlertTitle("Display Department") AlertDescription("Beware of the leopard.") with Card(): with CardHeader(): CardTitle("Prefect Horizon Config") with CardContent(): with Column(gap=3): Switch( label="Auto-scale agents", value=True, name="autoscale", ) Separator() Switch( label="Code Mode", value=True, name="code_mode", ) Separator() Switch( label="Tool call caching", value=False, name="cache", ) with CardFooter(): Button( "Save Preferences", on_click=ShowToast("Preferences saved!"), ) with Card(): with CardHeader(): CardTitle("Travel Class") with CardContent(): with RadioGroup(name="travel_class"): Radio(option="economy", label="Economy") Radio(option="business", label="Business Class") Radio( option="improbability", label="Infinite Improbability", value=True, ) # ── Cols 3–4: summary row, chart, then 2-col grid below ───────── with GridItem(css_class="md:col-span-2"): with Column(gap=4): with Grid(columns=2, gap=4, css_class="h-32"): with Card(): with CardHeader(): CardTitle("Context Window") with CardContent(): with Column( gap=6, justify="center", css_class="h-full", ): with Row( align="center", css_class="justify-between", ): Text(f"{ctx_pct}% used") Muted(f"{ctx_pct * 2}k / 200k tokens") with Tooltip( "Auto-compact buffer: 12%", delay=0, ): Progress( value=ctx_pct, max=100, variant=ctx_variant, ) with Card(css_class="pb-0 gap-0"): with CardContent(): Metric( label="Fjords designed", value="1,847", delta="+3 coastlines", ) Sparkline( data=[ 820, 950, 1100, 980, 1250, 1400, 1350, 1500, 1680, 1847, ], variant="success", fill=True, css_class="h-16", ) with Card(): with CardHeader(): CardTitle("Towel Incidents") with CardContent(): BarChart( data=[ {"month": "Jan", "lost": 8, "found": 5}, {"month": "Feb", "lost": 24, "found": 15}, {"month": "Mar", "lost": 12, "found": 28}, {"month": "Apr", "lost": 35, "found": 19}, {"month": "May", "lost": 18, "found": 38}, {"month": "Jun", "lost": 42, "found": 30}, ], series=[ ChartSeries(dataKey="lost", label="Lost"), ChartSeries(dataKey="found", label="Found"), ], x_axis="month", height=200, bar_radius=4, show_legend=True, show_tooltip=True, show_grid=True, ) with Grid(columns=2, gap=4): with Column(gap=4): with Card(): with CardContent(): with Column(gap=2): Checkbox(label="Towel packed", value=True) Checkbox(label="Guide charged", value=True) Checkbox( label="Babel fish inserted", value=False, ) with Card(): with CardHeader(): CardTitle("Marvin's Mood") with CardContent(): with Column(gap=3): P("How's life?") with Column(gap=2): Button( "Meh", on_click=ShowToast( "Noted. Enthusiasm levels nominal." ), ) Button( "Depressed", variant="info", on_click=ShowToast( "I think you ought to " "know I'm feeling very " "depressed." ), ) Button( "Don't talk to me about life", variant="warning", on_click=ShowToast( "Brain the size of a " "planet and they ask me " "to pick up a piece of " "paper." ), ) with Column(gap=4): with Card(): with CardContent(): with Row(gap=2, align="center"): Loader(variant="dots", size="sm") Muted("Marvin is thinking...") with Card(): with CardContent(): DataTable( columns=[ DataTableColumn( key="crew", header="Crew", sortable=True, ), DataTableColumn( key="species", header="Species", sortable=True, ), DataTableColumn( key="towel", header="Towel?", sortable=True, ), DataTableColumn( key="status", header="Status", sortable=True, ), ], rows=[ { "crew": "Arthur Dent", "species": "Human", "towel": "Yes", "status": "Confused", }, { "crew": "Ford Prefect", "species": "Betelgeusian", "towel": "Always", "status": "Drinking", }, { "crew": "Zaphod", "species": "Betelgeusian", "towel": "Lost it", "status": "Presidential", }, { "crew": "Trillian", "species": "Human", "towel": "Yes", "status": "Navigating", }, { "crew": "Marvin", "species": "Android", "towel": "No point", "status": "Depressed", }, { "crew": "Slartibartfast", "species": "Magrathean", "towel": "Somewhere", "status": "Designing", }, ], search=True, paginated=False, )