I can toogle the left drawer

src/app.py

@@ -0,0 +1,23 @@
+import logging
+
+from fasthtml import serve
+
+from myfasthtml.controls.Layout import Layout
+from myfasthtml.myfastapp import create_app
+
+logging.basicConfig(
+  level=logging.DEBUG,  # Set logging level to DEBUG
+  format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',  # Log format
+  datefmt='%Y-%m-%d %H:%M:%S',  # Timestamp format
+)
+
+app, rt = create_app(protect_routes=False, mount_auth_app=True, pico=False, title="MyFastHtml" )
+
+@rt("/")
+def index(session):
+  layout = Layout(session, "Testing Layout", right_drawer=False)
+  layout.set_footer("Goodbye World")
+  return layout
+
+if __name__ == "__main__":
+  serve(port=5003)

src/myfasthtml/assets/myfasthtml.css

@@ -13,3 +13,159 @@
     margin-top: auto;
     margin-bottom: 4px;
 }
+
+/*
+ * MF Layout Component - CSS Grid Layout
+ * Provides fixed header/footer, collapsible drawers, and scrollable main content
+ * Compatible with DaisyUI 5
+ */
+
+/* Main layout container using CSS Grid */
+.mf-layout {
+    display: grid;
+    grid-template-areas:
+    "header header header"
+    "left-drawer main right-drawer"
+    "footer footer footer";
+    grid-template-rows: 32px 1fr 32px;
+    grid-template-columns: auto 1fr auto;
+    height: 100vh;
+    width: 100vw;
+    overflow: hidden;
+}
+
+/* Header - fixed at top */
+.mf-layout-header {
+    grid-area: header;
+    display: flex;
+    align-items: center;
+    gap: 1rem;
+    padding: 0 1rem;
+    background-color: var(--color-base-300);
+    border-bottom: 1px solid color-mix(in oklab, var(--color-base-content) 10%, #0000);
+    z-index: 30;
+}
+
+/* Footer - fixed at bottom */
+.mf-layout-footer {
+    grid-area: footer;
+    display: flex;
+    align-items: center;
+    padding: 0 1rem;
+    background-color: var(--color-neutral);
+    color: var(--color-neutral-content);
+    border-top: 1px solid color-mix(in oklab, var(--color-base-content) 10%, #0000);
+    z-index: 30;
+}
+
+/* Main content area - scrollable */
+.mf-layout-main {
+    grid-area: main;
+    overflow-y: auto;
+    overflow-x: auto;
+    padding: 1rem;
+    background-color: var(--color-base-100);
+}
+
+/* Drawer base styles */
+.mf-layout-drawer {
+    overflow-y: auto;
+    overflow-x: hidden;
+    background-color: var(--color-base-100);
+    transition: width 0.3s ease-in-out, margin 0.3s ease-in-out;
+    width: 250px;
+    padding: 1rem;
+}
+
+/* Left drawer */
+.mf-layout-left-drawer {
+    grid-area: left-drawer;
+    border-right: 1px solid color-mix(in oklab, var(--color-base-content) 10%, #0000);
+}
+
+/* Right drawer */
+.mf-layout-right-drawer {
+    grid-area: right-drawer;
+    border-left: 1px solid color-mix(in oklab, var(--color-base-content) 10%, #0000);
+}
+
+/* Collapsed drawer states */
+.mf-layout-drawer.collapsed {
+    width: 0;
+    padding: 0;
+    border: none;
+    overflow: hidden;
+}
+
+/* Toggle buttons positioning */
+.mf-layout-toggle-left {
+    margin-right: auto;
+}
+
+.mf-layout-toggle-right {
+    margin-left: auto;
+}
+
+/* Smooth scrollbar styling for webkit browsers */
+.mf-layout-main::-webkit-scrollbar,
+.mf-layout-drawer::-webkit-scrollbar {
+    width: 8px;
+    height: 8px;
+}
+
+.mf-layout-main::-webkit-scrollbar-track,
+.mf-layout-drawer::-webkit-scrollbar-track {
+    background: var(--color-base-200);
+}
+
+.mf-layout-main::-webkit-scrollbar-thumb,
+.mf-layout-drawer::-webkit-scrollbar-thumb {
+    background: color-mix(in oklab, var(--color-base-content) 20%, #0000);
+    border-radius: 4px;
+}
+
+.mf-layout-main::-webkit-scrollbar-thumb:hover,
+.mf-layout-drawer::-webkit-scrollbar-thumb:hover {
+    background: color-mix(in oklab, var(--color-base-content) 30%, #0000);
+}
+
+/* Responsive adjustments for smaller screens */
+@media (max-width: 768px) {
+    .mf-layout-drawer {
+        width: 200px;
+    }
+
+    .mf-layout-header,
+    .mf-layout-footer {
+        padding: 0 0.5rem;
+    }
+
+    .mf-layout-main {
+        padding: 0.5rem;
+    }
+}
+
+/* Handle layouts with no drawers */
+.mf-layout[data-left-drawer="false"] {
+    grid-template-areas:
+    "header header"
+    "main right-drawer"
+    "footer footer";
+    grid-template-columns: 1fr auto;
+}
+
+.mf-layout[data-right-drawer="false"] {
+    grid-template-areas:
+    "header header"
+    "left-drawer main"
+    "footer footer";
+    grid-template-columns: auto 1fr;
+}
+
+.mf-layout[data-left-drawer="false"][data-right-drawer="false"] {
+    grid-template-areas:
+    "header"
+    "main"
+    "footer";
+    grid-template-columns: 1fr;
+}

src/myfasthtml/assets/myfasthtml.js

@@ -0,0 +1,119 @@
+/**
+ * MF Layout Component - JavaScript Controller
+ * Manages drawer state and provides programmatic control
+ */
+
+// Global registry for layout instances
+if (typeof window.mfLayoutInstances === 'undefined') {
+  window.mfLayoutInstances = {};
+}
+
+/**
+ * Initialize a layout instance with drawer controls
+ * @param {string} layoutId - The unique ID of the layout (mf-layout-xxx)
+ */
+function initLayout(layoutId) {
+  const layoutElement = document.getElementById(layoutId);
+
+  if (!layoutElement) {
+    console.error(`Layout with id "${layoutId}" not found`);
+    return;
+  }
+
+  // Create layout controller object
+  const layoutController = {
+    layoutId: layoutId,
+    element: layoutElement,
+
+    /**
+     * Get drawer element by side
+     * @param {string} side - 'left' or 'right'
+     * @returns {HTMLElement|null} The drawer element
+     */
+    getDrawer: function (side) {
+      if (side !== 'left' && side !== 'right') {
+        console.error(`Invalid drawer side: "${side}". Must be "left" or "right".`);
+        return null;
+      }
+
+      const drawerClass = side === 'left' ? '.mf-layout-left-drawer' : '.mf-layout-right-drawer';
+      return this.element.querySelector(drawerClass);
+    },
+
+    /**
+     * Check if a drawer is currently open
+     * @param {string} side - 'left' or 'right'
+     * @returns {boolean} True if drawer is open
+     */
+    isDrawerOpen: function (side) {
+      const drawer = this.getDrawer(side);
+      return drawer ? !drawer.classList.contains('collapsed') : false;
+    },
+
+    /**
+     * Open a drawer
+     * @param {string} side - 'left' or 'right'
+     */
+    openDrawer: function (side) {
+      const drawer = this.getDrawer(side);
+      if (drawer) {
+        drawer.classList.remove('collapsed');
+      }
+    },
+
+    /**
+     * Close a drawer
+     * @param {string} side - 'left' or 'right'
+     */
+    closeDrawer: function (side) {
+      const drawer = this.getDrawer(side);
+      if (drawer) {
+        drawer.classList.add('collapsed');
+      }
+    },
+
+    /**
+     * Toggle a drawer between open and closed
+     * @param {string} side - 'left' or 'right'
+     */
+    toggleDrawer: function (side) {
+      if (this.isDrawerOpen(side)) {
+        this.closeDrawer(side);
+      } else {
+        this.openDrawer(side);
+      }
+    },
+
+    /**
+     * Initialize event listeners for toggle buttons
+     */
+    initEventListeners: function () {
+      // Get all toggle buttons within this layout
+      const toggleButtons = this.element.querySelectorAll('[class*="mf-layout-toggle"]');
+
+      toggleButtons.forEach(button => {
+        button.addEventListener('click', (event) => {
+          event.preventDefault();
+          const side = button.getAttribute('data-side');
+          if (side) {
+            this.toggleDrawer(side);
+          }
+        });
+      });
+    }
+  };
+
+  // Initialize event listeners
+  layoutController.initEventListeners();
+
+  // Store instance in global registry for programmatic access
+  window.mfLayoutInstances[layoutId] = layoutController;
+
+  // Log successful initialization
+  console.log(`Layout "${layoutId}" initialized successfully`);
+}
+
+// Export for module environments if needed
+if (typeof module !== 'undefined' && module.exports) {
+  module.exports = {initLayout};
+}

src/myfasthtml/controls/BaseCommands.py

@@ -0,0 +1,4 @@
+class BaseCommands:
+  def __init__(self, owner):
+    self._owner = owner
+    self._id = owner.get_id()

src/myfasthtml/controls/BaseControl.py

@@ -0,0 +1,7 @@
+class BaseControl:
+  def __init__(self, session, _id):
+    self.session = session
+    self._id = _id
+  
+  def get_id(self):
+    return self._id

src/myfasthtml/controls/Layout.py

@@ -0,0 +1,236 @@
+"""
+Layout component for FastHTML applications.
+
+This component provides a responsive layout with fixed header/footer,
+optional collapsible left/right drawers, and a scrollable main content area.
+"""
+import logging
+import uuid
+from typing import Literal
+
+from fasthtml.common import *
+
+from myfasthtml.controls.BaseCommands import BaseCommands
+from myfasthtml.controls.BaseControl import BaseControl
+from myfasthtml.controls.helpers import mk
+from myfasthtml.core.commands import Command
+from myfasthtml.icons.fluent import icon_panel_left_expand20_regular as left_drawer_icon
+from myfasthtml.icons.fluent import icon_panel_right_expand20_regular as right_drawer_icon
+
+logger = logging.getLogger("LayoutControl")
+
+@dataclass
+class LayoutState:
+  left_drawer_open: bool = True
+
+
+class Commands(BaseCommands):
+  def toggle_left_drawer(self):
+    return Command("ToggleDrawer", "Toggle main layout drawer", self._owner.toggle_drawer, "left")
+
+
+class Layout(BaseControl):
+  """
+  A responsive layout component with header, footer, main content area,
+  and optional collapsible side drawers.
+
+  Attributes:
+      app_name (str): Name of the application
+      left_drawer (bool): Whether to include a left drawer
+      right_drawer (bool): Whether to include a right drawer
+  """
+  
+  def __init__(self, session, app_name, left_drawer=True, right_drawer=True):
+    """
+    Initialize the Layout component.
+
+    Args:
+        app_name (str): Name of the application
+        left_drawer (bool): Enable left drawer. Default is True.
+        right_drawer (bool): Enable right drawer. Default is True.
+    """
+    super().__init__(session, f"mf-layout-{str(uuid.uuid4())}")
+    self.app_name = app_name
+    self.left_drawer = left_drawer
+    self.right_drawer = right_drawer
+    
+    # Content storage
+    self._header_content = None
+    self._footer_content = None
+    self._main_content = None
+    self._left_drawer_content = None
+    self._right_drawer_content = None
+    self._state = LayoutState()
+    self.commands = Commands(self)
+  
+  # def set_header(self, content):
+  #   """
+  #   Set the header content.
+  #
+  #   Args:
+  #       content: FastHTML component(s) or content for the header
+  #   """
+  #   self._header_content = content
+  
+  def set_footer(self, content):
+    """
+    Set the footer content.
+
+    Args:
+        content: FastHTML component(s) or content for the footer
+    """
+    self._footer_content = content
+  
+  def set_main(self, content):
+    """
+    Set the main content area.
+
+    Args:
+        content: FastHTML component(s) or content for the main area
+    """
+    self._main_content = content
+  
+  def set_left_drawer(self, content):
+    """
+    Set the left drawer content.
+
+    Args:
+        content: FastHTML component(s) or content for the left drawer
+    """
+    if self.left_drawer:
+      self._left_drawer_content = content
+  
+  def set_right_drawer(self, content):
+    """
+    Set the right drawer content.
+
+    Args:
+        content: FastHTML component(s) or content for the right drawer
+    """
+    if self.right_drawer:
+      self._right_drawer_content = content
+  
+  def toggle_drawer(self, side: Literal["left", "right"]):
+    logger.debug(f"Toggle drawer: {side=}, {self._state.left_drawer_open=}")
+    if side == "left":
+      self._state.left_drawer_open = not self._state.left_drawer_open
+      return self._mk_left_drawer_icon(), self._mk_left_drawer()
+    elif side == "right":
+      self._state.right_drawer_open = not self._state.right_drawer_open
+      return Div(), self._mk_right_drawer()
+    else:
+      raise ValueError("Invalid drawer side")
+  
+  def _mk_header(self):
+    """
+    Render the header component.
+
+    Returns:
+        Header: FastHTML Header component
+    """
+    return Header(
+      self._mk_left_drawer_icon(),
+      cls="mf-layout-header"
+    )
+  
+  def _mk_footer(self):
+    """
+    Render the footer component.
+
+    Returns:
+        Footer: FastHTML Footer component
+    """
+    footer_content = self._footer_content if self._footer_content else ""
+    return Footer(
+      footer_content,
+      cls="mf-layout-footer footer sm:footer-horizontal"
+    )
+  
+  def _mk_main(self):
+    """
+    Render the main content area.
+
+    Returns:
+        Main: FastHTML Main component
+    """
+    main_content = self._main_content if self._main_content else ""
+    return Main(
+      main_content,
+      cls="mf-layout-main"
+    )
+  
+  def _mk_left_drawer(self):
+    """
+    Render the left drawer if enabled.
+
+    Returns:
+        Div or None: FastHTML Div component for left drawer, or None if disabled
+    """
+    if not self.left_drawer:
+      return None
+    
+    print(f"{self._state.left_drawer_open=}")
+    
+    drawer_content = self._left_drawer_content if self._left_drawer_content else ""
+    return Div(
+      drawer_content,
+      id=f"{self._id}_ld",
+      cls=f"mf-layout-drawer mf-layout-left-drawer {'collapsed' if not self._state.left_drawer_open else ''}",
+      **{"data-side": "left"}
+    )
+  
+  def _mk_right_drawer(self):
+    """
+    Render the right drawer if enabled.
+
+    Returns:
+        Div or None: FastHTML Div component for right drawer, or None if disabled
+    """
+    if not self.right_drawer:
+      return None
+    
+    drawer_content = self._right_drawer_content if self._right_drawer_content else ""
+    return Div(
+      drawer_content,
+      cls="mf-layout-drawer mf-layout-right-drawer",
+      id=f"{self._id}_rd",
+      **{"data-side": "right"}
+    )
+  
+  def _mk_left_drawer_icon(self):
+    return mk.icon(right_drawer_icon if self._state.left_drawer_open else left_drawer_icon,
+                   id=f"{self._id}_ldi",
+                   command=self.commands.toggle_left_drawer())
+  
+  def render(self):
+    """
+    Render the complete layout.
+
+    Returns:
+        Div: Complete layout as FastHTML Div component
+    """
+    
+    # Wrap everything in a container div
+    return Div(
+      self._mk_header(),
+      self._mk_left_drawer(),
+      self._mk_main(),
+      self._mk_right_drawer(),
+      self._mk_footer(),
+      Script(f"initLayout('{self._id}');"),
+      id=self._id,
+      cls="mf-layout",
+      **{
+          "data-left-drawer": str(self.left_drawer).lower(),
+          "data-right-drawer": str(self.right_drawer).lower()
+      }
+    )
+  
+  def __ft__(self):
+    """
+    FastHTML magic method for rendering.
+
+    Returns:
+        Div: The rendered layout
+    """
+    return self.render()

src/myfasthtml/core/commands.py

@@ -36,6 +36,7 @@ class BaseCommand:
   def get_htmx_params(self):
     return self._htmx_extra | {
         "hx-post": f"{ROUTE_ROOT}{Routes.Commands}",
+        "hx-swap": "outerHTML",
         "hx-vals": f'{{"c_id": "{self.id}"}}',
     }
   
@@ -124,11 +125,17 @@ class Command(BaseCommand):
     for data in self._bindings:
       remove_event_listener(ObservableEvent.AFTER_PROPERTY_CHANGE, data, "", binding_result_callback)
     
+    # Set the hx-swap-oob attribute on all elements returned by the callback
+    if isinstance(ret, (list, tuple)):
+      for r in ret[1:]:
+        if hasattr(r, 'attrs'):
+          r.attrs["hx-swap-oob"] = "true"
+    
     if not ret_from_bindings:
       return ret
     
-    if isinstance(ret, list):
-      return ret + ret_from_bindings
+    if isinstance(ret, (list, tuple)):
+      return list(ret) + ret_from_bindings
     else:
       return [ret] + ret_from_bindings
   

src/myfasthtml/myfastapp.py

@@ -54,7 +54,10 @@ def create_app(daisyui: Optional[bool] = True,
   :return: A tuple containing the FastHtml application instance and the associated router.
   :rtype: Any
   """
-  hdrs = [Link(href="/myfasthtml/myfasthtml.css", rel="stylesheet", type="text/css")]
+  hdrs = [
+      Link(href="/myfasthtml/myfasthtml.css", rel="stylesheet", type="text/css"),
+      Script(src="/myfasthtml/myfasthtml.js"),
+  ]
   
   if daisyui:
     hdrs += [

tests/core/test_commands.py

@@ -2,7 +2,7 @@ from dataclasses import dataclass
 from typing import Any
 
 import pytest
-from fasthtml.components import Button
+from fasthtml.components import Button, Div
 from myutils.observable import make_observable, bind
 
 from myfasthtml.core.commands import Command, CommandsManager
@@ -93,3 +93,32 @@ def test_i_can_bind_a_command_to_an_observable_2():
   res = command.execute()
   
   assert res == ["another 1", "another 2", ("hello", "new value")]
+
+
+def test_by_default_swap_is_set_to_outer_html():
+  command = Command('test', 'Command description', callback)
+  elt = Button()
+  updated = command.bind_ft(elt)
+  
+  expected = Button(hx_post=f"{ROUTE_ROOT}{Routes.Commands}", hx_swap="outerHTML")
+  
+  assert matches(updated, expected)
+
+
+@pytest.mark.parametrize("return_values", [
+    [Div(), Div(), "hello", Div()],  # list
+    (Div(), Div(), "hello", Div())  # tuple
+])
+def test_swap_oob_is_automatically_set_when_multiple_elements_are_returned(return_values):
+  """Test that hx-swap-oob is automatically set, but not for the first."""
+  
+  def another_callback():
+    return return_values
+  
+  command = Command('test', 'Command description', another_callback)
+  
+  res = command.execute()
+  
+  assert "hx_swap_oob" not in res[0].attrs
+  assert res[1].attrs["hx-swap-oob"] == "true"
+  assert res[3].attrs["hx-swap-oob"] == "true"