From 52b4e6a8b6f839462292ffd162b4e1274f95d751 Mon Sep 17 00:00:00 2001
From: Kodjo Sossouvi <kodjo.sossouvi@gmail.com>
Date: Mon, 24 Nov 2025 22:47:49 +0100
Subject: [PATCH] Working on Dropdown

---
 src/app.py                           |  5 +++
 src/myfasthtml/assets/myfasthtml.css | 30 ++++++++++++++++-
 src/myfasthtml/controls/Dropdown.py  | 50 ++++++++++++++++++++++++++++
 3 files changed, 84 insertions(+), 1 deletion(-)
 create mode 100644 src/myfasthtml/controls/Dropdown.py

diff --git a/src/app.py b/src/app.py
index 97abb4a..98f4212 100644
--- a/src/app.py
+++ b/src/app.py
@@ -8,6 +8,7 @@ from myfasthtml.controls.FileUpload import FileUpload
 from myfasthtml.controls.InstancesDebugger import InstancesDebugger
 from myfasthtml.controls.Keyboard import Keyboard
 from myfasthtml.controls.Layout import Layout
+from myfasthtml.controls.Dropdown import Dropdown
 from myfasthtml.controls.TabsManager import TabsManager
 from myfasthtml.controls.helpers import Ids, mk
 from myfasthtml.core.instances import UniqueInstance
@@ -58,11 +59,15 @@ def index(session):
                              command=tabs_manager.commands.add_tab("File Open", FileUpload(layout, _id="-file_upload")),
                              id="file_upload_id")
   
+  btn_popup = mk.label("Popup",
+                       command=tabs_manager.commands.add_tab("Popup", Dropdown(layout, "Content", button="button", _id="-popup")))
+  
   layout.header_left.add(tabs_manager.add_tab_btn())
   layout.header_right.add(btn_show_right_drawer)
   layout.left_drawer.add(btn_show_instances_debugger, "Debugger")
   layout.left_drawer.add(btn_show_commands_debugger, "Debugger")
   layout.left_drawer.add(btn_file_upload, "Test")
+  layout.left_drawer.add(btn_popup, "Test")
   layout.set_main(tabs_manager)
   keyboard = Keyboard(layout, _id="-keyboard").add("ctrl+o",
                                                    tabs_manager.commands.add_tab("File Open",
diff --git a/src/myfasthtml/assets/myfasthtml.css b/src/myfasthtml/assets/myfasthtml.css
index 9302f80..f3805f8 100644
--- a/src/myfasthtml/assets/myfasthtml.css
+++ b/src/myfasthtml/assets/myfasthtml.css
@@ -14,7 +14,6 @@
 }
 
 
-
 .mf-icon-16 {
     width: 16px;
     min-width: 16px;
@@ -440,4 +439,33 @@
     margin-top: 0.5rem;
     max-height: 200px;
     overflow: auto;
+}
+
+.mf-dropdown-wrapper {
+    position: relative; /* CRUCIAL for the anchor */
+    display: inline-block;
+}
+
+.mf-dropdown-wrapper:hover .mf-dropdown {
+    display: block;
+}
+
+.mf-dropdown {
+    display: none;
+    position: absolute;
+    top: 100%;
+    left: 0px;
+    z-index: 1;
+    width: 200px;
+    border: 1px solid black;
+    padding: 10px;
+    box-sizing: border-box;
+    overflow-x: auto;
+    /*opacity: 0;*/
+    /*transition: opacity 0.2s ease-in-out;*/
+}
+
+.mf-dropdown.is-visible {
+    display: block;
+    opacity: 1;
 }
\ No newline at end of file
diff --git a/src/myfasthtml/controls/Dropdown.py b/src/myfasthtml/controls/Dropdown.py
new file mode 100644
index 0000000..02ab609
--- /dev/null
+++ b/src/myfasthtml/controls/Dropdown.py
@@ -0,0 +1,50 @@
+from fasthtml.components import Div
+
+from myfasthtml.core.instances import MultipleInstance
+
+
+class Dropdown(MultipleInstance):
+  def __init__(self, parent, content, button=None, _id=None):
+    super().__init__(parent, _id=_id)
+    self.button = button
+    self.content = content
+  
+  def render(self):
+    return Div(
+      Div(self.button) if self.button else Div("None"),
+      Div(self.content, cls="mf-dropdown"),
+      cls="mf-dropdown-wrapper"
+    )
+  
+  def __ft__(self):
+    return self.render()
+
+# document.addEventListener('htmx:afterSwap', function(event) {
+#     const targetElement = event.detail.target; // L'élément qui a été mis à jour (#popup-unique-id)
+#
+#     // Vérifie si c'est bien notre popup
+#     if (targetElement.classList.contains('mf-popup-container')) {
+#
+#         // Trouver l'élément déclencheur HTMX (le bouton existant)
+#         // HTMX stocke l'élément déclencheur dans event.detail.elt
+#         const trigger = document.querySelector('#mon-bouton-existant');
+#
+#         if (trigger) {
+#             // Obtenir les coordonnées de l'élément déclencheur par rapport à la fenêtre
+#             const rect = trigger.getBoundingClientRect();
+#
+#             // L'élément du popup à positionner
+#             const popup = targetElement;
+#
+#             // Appliquer la position au conteneur du popup
+#             // On utilise window.scrollY pour s'assurer que la position est absolue par rapport au document,
+#             // et non seulement à la fenêtre (car le popup est en position: absolute, pas fixed)
+#
+#             // Top: Juste en dessous de l'élément déclencheur
+#             popup.style.top = (rect.bottom + window.scrollY) + 'px';
+#
+#             // Left: Aligner avec le côté gauche de l'élément déclencheur
+#             popup.style.left = (rect.left + window.scrollX) + 'px';
+#         }
+#     }
+# });