Delete Row - Demonstrates row deletion in a table

examples/dynamic_user_interface_(htmx)/delete_row/app.py

@@ -0,0 +1,53 @@
+from fasthtml.common import *
+
+app, rt = fast_app()
+
+# This represents the data we are rendering
+# The data could original from a database, or any other datastore
+@dataclass
+class Contact:
+    # Data points
+    id: int
+    name: str
+    email: str
+    status: str
+
+    def __ft__(self):
+        # __ft__ method is used by FastHTML to render an item in the UI
+        # By defining this, a `Contact` will show up as a table row automatically
+        return Tr(
+            *map(Td, (self.name, self.email, self.status)),
+            Td(Button('Delete', 
+                      hx_delete=delete.to(id=self.id).lstrip('/'),
+                      # Give a confirmation prompt before deleting
+                      hx_confirm="Are you sure?", 
+                      # Target the closest row (The one you clicked on)
+                      hx_target="closest tr", 
+                      # Swap out the row with nothing (removes the row)
+                      hx_swap="outerHTML")))
+
+# Sample data
+# Often this would come from a database
+contacts = [{'id':1, 'name': "Bob Deer",  'email': "bob@deer.org",  'status': "Active"  },
+            {'id':2, 'name': "Jon Doe",   'email': "Jon@doe.com",   'status': "Inactive"},
+            {'id':3, 'name': "Jane Smith",'email': "jane@smith.com",'status': "Active"  }]
+
+@rt
+def index(sess):
+    # Save a copy of contacts in your session
+    # This is the demo doesn't conflict with other users
+    sess['contacts'] = contacts
+    # Create initial table
+    return Table(
+        Thead(Tr(*map(Th, ["Name", "Email", "Status", ""]))),
+        # A `Contact` object is rendered as a row automatically using the `__ft__` method 
+        Tbody(*(Contact(**x) for x in sess['contacts'])))
+
+
+@app.delete
+def delete(id: int, sess):
+    sess['contacts'] = [c for c in sess['contacts'] if c['id'] != id]
+    # Return nothing to the HTMX request to swap in nothing (removes the row)
+
+
+serve()

examples/dynamic_user_interface_(htmx)/delete_row/metadata.ini

@@ -0,0 +1,6 @@
+[REQUIRED]
+ImageAltText=Delete row
+ComponentName=Delete Row
+ComponentDescription=Delete a row from table via HTMX
+
+

main.py

@@ -122,8 +122,8 @@ def ImageCard(dir_path):
                 loading="lazy",
                 cls="card-img-top"), 
                 href=f"/split/{dpath}"),
-            Div(P(meta['ComponentName'],        cls=(TextT.bold, TextT.large)),
-                render_md(P(meta['ComponentDescription'])),#, cls=(TextT.muted, TextT.large)),
+            Div(P(meta['ComponentName'],        cls=(TextT.bold, TextT.lg)),
+                render_md(P(meta['ComponentDescription'])),#, cls=(TextT.muted, TextT.lg)),
                 style="height: 150px; overflow: auto;"),
             footer=DivFullySpaced(
                 A(Button("Split", cls=ButtonT.primary), href=f"/split/{dpath}"),