initial preview of components

examples/app.py

@@ -25,6 +25,7 @@
     FileUploadDemoLiveView,
     KanbanLiveView,
     IncludesLiveView,
+    RecipesLiveView,
 )
 
 app = PyView()
@@ -35,6 +36,7 @@
             ("pyview", "static"),
             ("examples.views.maps", "static"),
             ("examples.views.kanban", "static"),
+            ("examples.views.recipes", "photos"),
         ]
     ),
     name="static",
@@ -94,6 +96,7 @@ def content_wrapper(_context, content: Markup) -> Markup:
     ("/file_upload", FileUploadDemoLiveView),
     ("/kanban", KanbanLiveView),
     ("/includes", IncludesLiveView),
+    ("/recipes", RecipesLiveView),
 ]
 
 

examples/views/__init__.py

@@ -14,6 +14,7 @@
 from .count_pubsub import CountLiveViewPubSub
 from .count import CountLiveView
 from .includes import IncludesLiveView
+from .recipes import RecipesLiveView
 
 __all__ = [
     "CountLiveView",
@@ -32,4 +33,5 @@
     "FileUploadDemoLiveView",
     "KanbanLiveView",
     "IncludesLiveView",
+    "RecipesLiveView",
 ]

examples/views/kanban/kanban.py

@@ -34,6 +34,7 @@ class KanbanLiveView(LiveView[KanbanContext]):
 
     async def mount(self, socket: LiveViewSocket[KanbanContext], session):
         socket.context = KanbanContext()
+        socket.live_title = "Kanban"
 
     async def handle_event(self, event, payload, socket: LiveViewSocket[KanbanContext]):
         if event == "task-moved":

examples/views/maps/map.py

@@ -29,6 +29,7 @@ async def mount(self, socket: LiveViewSocket[MapContext], session):
         socket.context = MapContext(
             parks=national_parks, selected_park_name=national_parks[0]["name"]
         )
+        socket.live_title = "Maps"
 
     async def handle_event(
         self, event, payload, socket: ConnectedLiveViewSocket[MapContext]

examples/views/recipes/__init__.py

@@ -0,0 +1,10 @@
+from .recipes import RecipesLiveView
+from .components.recipe_card import RecipeCardComponent
+from .components.ratings import RatingsComponent
+
+
+__all__ = [
+    "RecipesLiveView",
+    "RecipeCardComponent",
+    "RatingsComponent",
+]

examples/views/recipes/components/ratings.css

@@ -0,0 +1,25 @@
+.stars {
+    display: grid;
+    grid-template-columns: repeat(5, 1fr);
+    margin: 0 auto;
+}
+
+.star {
+    background: none;
+    border: none;
+    font-size: 1.1rem;
+    cursor: pointer;
+    color: #e6e6e6;
+    transition: color 0.3s;
+    margin: 0;
+    padding: 0;
+}
+
+.star:hover,
+.star.active {
+    color: #f5a623;
+}
+
+.star:focus {
+    outline: none;
+}

examples/views/recipes/components/ratings.html

@@ -0,0 +1,8 @@
+<div class="recipe-rating">
+    <div class="stars">
+        {% for i in range(1, 5) %}
+        <button class="star {%if rating and i <= rating %}active{%endif%}" phx-click="rate" phx-value-id="{{id}}"
+            phx-value-rating="{{i}}">★</button>
+        {% endfor %}
+    </div>
+</div>

examples/views/recipes/components/ratings.py

@@ -0,0 +1,11 @@
+from pyview.live_component.live_component import LiveComponent
+from pyview.live_component.component_registry import components
+
+
+@components.register("Ratings")
+class RatingsComponent(LiveComponent):
+    async def mount(self, socket):
+        print("Ratings mounted")
+
+    async def update(self, socket, template_vars):
+        print("Ratings updated", template_vars)

examples/views/recipes/components/recipe_card.css

@@ -0,0 +1,81 @@
+.recipe_card {
+    border-radius: 15px;
+    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+    overflow: hidden;
+    width: 300px;
+    background-color: white;
+}
+
+.recipe_card img {
+    width: 100%;
+    height: auto;
+    display: block;
+    border: none;
+    height: 200px;
+    object-fit: cover
+}
+
+.recipe_card-content {
+    padding: 0.75em;
+}
+
+.recipe_card-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: flex-end;
+}
+
+.recipe_card-content .recipe_card-title {
+    font-size: 1.1em;
+    font-weight: 500;
+    color: #333;
+}
+
+.recipe_card-content .recipe_card-time {
+    font-size: 0.9em;
+    color: #666;
+    font-weight: 100;
+}
+
+.recipe_card-time::before {
+    content: "⏱️";
+    margin-right: 5px;
+    font-size: 0.9em;
+    color: #666;
+}
+
+.recipe_card-content p {
+    margin-top: 10px;
+    font-size: 1em;
+    color: #666;
+}
+
+.recipe_card-actions {
+    padding-top: .75em;
+    display: flex;
+    justify-content: space-between;
+}
+
+.recipe_card-bookmark {
+    filter: opacity(0.4);
+}
+
+.recipe_card-bookmark:hover {
+    filter: opacity(1);
+}
+
+.recipe_card-attribution {
+    font-size: 0.7em;
+    color: #666;
+    display: grid;
+    justify-items: flex-end;
+    padding: 0.5em;
+
+    a {
+        text-decoration: none;
+    }
+}
+
+.bookmarked {
+    filter: opacity(1);
+}

examples/views/recipes/components/recipe_card.html

@@ -0,0 +1,22 @@
+<div id="{{recipe.id}}" class="recipe_card">
+    <img src="{{recipe.img}}" alt="{{recipe.name}}">
+    <div class="recipe_card-attribution">
+        <span>Photo by <a href="{{recipe.attribution.url}}" target="_blank">{{recipe.attribution.name}}</a></span>
+    </div>
+    <div class="recipe_card-content">
+        <div class="recipe_card-header">
+            <span class="recipe_card-title">{{recipe.name}}</span>
+            <span class="recipe_card-time">{{recipe.time}}</span>
+        </div>
+
+        <div class="recipe_card-actions">
+            {% live_component "Ratings" with id = recipe.id & rating = recipe.rating %}
+            <a title="{%if recipe.bookmarked %}Remove {%endif%}Bookmark"
+                class="recipe_card-bookmark {%if recipe.bookmarked %}bookmarked{%endif%}" phx-click="bookmark"
+                phx-target="{{meta.myself.target}}" phx-value-id="{{recipe.id}}">
+                🔖
+            </a>
+        </div>
+    </div>
+</div>
+</div>

examples/views/recipes/components/recipe_card.py

@@ -0,0 +1,14 @@
+from pyview.live_component.live_component import LiveComponent
+from pyview.live_component.component_registry import components
+
+
+@components.register("RecipeCard")
+class RecipeCardComponent(LiveComponent):
+    def __init__(self):
+        super().__init__()
+
+    async def mount(self, socket):
+        print("RecipeCard mounted")
+
+    async def update(self, socket, template_vars):
+        print("RecipeCard updated", template_vars)

examples/views/recipes/recipe_db.py

@@ -0,0 +1,82 @@
+from dataclasses import dataclass, field
+import random
+import uuid
+from typing import Optional
+
+
+@dataclass
+class Attribution:
+    name: str
+    url: str
+
+
+@dataclass
+class Recipe:
+    name: str
+    img: str
+    time: str
+
+    attribution: Attribution
+
+    id: str = field(default_factory=lambda: uuid.uuid4().hex)
+    rating: Optional[int] = None
+    bookmarked: bool = False
+
+
+def all_recipes() -> list[Recipe]:
+    return [
+        Recipe(
+            name="Donuts",
+            img="/static/brooke-lark-V4MBq8kue3U-unsplash.jpg",
+            time="90 mins",
+            attribution=Attribution(
+                "Brooke Lark",
+                "https://unsplash.com/@brookelark?utm_content=creditCopyText&utm_medium=referral&utm_source=unsplash",
+            ),
+        ),
+        Recipe(
+            name="Chickpea Salad",
+            img="/static/deryn-macey-B-DrrO3tSbo-unsplash.jpg",
+            time="30 mins",
+            attribution=Attribution(
+                "Deryn Macey",
+                "https://unsplash.com/@derynmacey?utm_content=creditCopyText&utm_medium=referral&utm_source=unsplash",
+            ),
+        ),
+        Recipe(
+            name="Chia Pudding",
+            img="/static/maryam-sicard-Tz1sAv3xnt0-unsplash.jpg",
+            time="20 mins",
+            attribution=Attribution(
+                "Maryam Sicard",
+                "https://unsplash.com/@maryamsicard?utm_content=creditCopyText&utm_medium=referral&utm_source=unsplash",
+            ),
+        ),
+        Recipe(
+            name="Cinnamon Rolls",
+            img="/static/nick-bratanek-RBwli5VzJXo-unsplash.jpg",
+            time="45 mins",
+            attribution=Attribution(
+                "Nick Bratanek",
+                "https://unsplash.com/@nickbratanek?utm_content=creditCopyText&utm_medium=referral&utm_source=unsplash",
+            ),
+        ),
+        Recipe(
+            name="Watermelon Salad",
+            img="/static/taylor-kiser-EvoIiaIVRzU-unsplash.jpg",
+            time="15 mins",
+            attribution=Attribution(
+                "Taylor Kiser",
+                "https://unsplash.com/@foodfaithfit?utm_content=creditCopyText&utm_medium=referral&utm_source=unsplash",
+            ),
+        ),
+        Recipe(
+            name="Curry",
+            img="static/taylor-kiser-POFG828-GQc-unsplash.jpg",
+            time="30 mins",
+            attribution=Attribution(
+                "Taylor Kiser",
+                "https://unsplash.com/@foodfaithfit?utm_content=creditCopyText&utm_medium=referral&utm_source=unsplash",
+            ),
+        ),
+    ]

examples/views/recipes/recipes.css

@@ -0,0 +1,24 @@
+main {
+  margin: 0;
+  padding: 20px;
+  height: 100vh;
+}
+
+html {
+  background-color: #F0F0F0;
+}
+
+body {
+  max-width: 980px;
+}
+
+.recipes {
+  padding-block: 2em;
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
+  gap: 2rem;
+}
+
+.attribution {
+  font-size: 0.7em;
+}

examples/views/recipes/recipes.html

@@ -0,0 +1,8 @@
+<main>
+    <h1 style="margin-top: 0.75em">Latest Recipes</h1>
+    <div class="recipes">
+        {% for recipe in recipes %}
+        {% live_component "RecipeCard" with id = recipe.id & recipe = recipe  %}
+        {% endfor %}
+    </div>
+</main>

examples/views/recipes/recipes.py

@@ -0,0 +1,34 @@
+from pyview import LiveView, LiveViewSocket
+from dataclasses import dataclass, field
+from .recipe_db import Recipe, all_recipes
+
+
+@dataclass
+class RecipesContext:
+    recipes: list[Recipe]
+
+
+class RecipesLiveView(LiveView[RecipesContext]):
+    """
+    Recipes
+
+    This example shows how to use components to encapsulate functionality.
+    """
+
+    async def mount(self, socket: LiveViewSocket, session):
+        socket.context = RecipesContext(recipes=all_recipes())
+        socket.live_title = "Recipes"
+
+    async def handle_event(self, event, payload, socket):
+        if event == "bookmark" and "id" in payload:
+            id = payload["id"]
+            recipe = next((r for r in socket.context.recipes if r.id == id), None)
+            if recipe is not None:
+                recipe.bookmarked = not recipe.bookmarked
+        if event == "rate" and "id" in payload and "rating" in payload:
+            id = payload["id"]
+            recipe = next((r for r in socket.context.recipes if r.id == id), None)
+            if recipe is not None:
+                print("Set rating", recipe.rating, "to", payload["rating"])
+
+                recipe.rating = int(payload["rating"])