Render page tasks dinamically

Signed-off-by: Simó Albert i Beltran <sim6@bona.gent>

errands/widgets/base/base_page.py

@@ -22,6 +22,7 @@ def __init__(self):
         Log.debug(f"{self.title} Page: Load")
         setattr(State, f"{self.page_name}_page", self)
         self.__build_ui()
+        self.max_tasks = 50
         self.update_ui()
 
     # ------ PRIVATE METHODS ------ #
@@ -45,6 +46,10 @@ def __build_ui(self):
                 maximum_size=1000, tightening_threshold=300, child=self.task_list
             ),
         )
+        content.get_vadjustment().connect(
+            "value-changed", self.on_vadjustment_value_changed
+        )
+
         self.status_page.bind_property(
             "visible",
             content,
@@ -64,6 +69,16 @@ def __build_ui(self):
             )
         )
 
+    def on_vadjustment_value_changed(self, adjustment):
+        if (
+            # Check if the scroll is at the bottom
+            adjustment.get_value() + adjustment.get_page_size()
+            >= adjustment.get_upper()
+            and self.max_tasks < len(self.tasks_data)
+        ):
+            self.max_tasks += 10
+            self.update_ui()
+
     # ------ PROPERTIES ------ #
 
     @property
@@ -95,7 +110,7 @@ def update_status(self):
 
     def update_ui(self):
         Log.debug(f"{self.title} Page: Update UI")
-        tasks = self.tasks_data
+        tasks = self.tasks_data[: self.max_tasks]
         tasks_uids: list[str] = [t.uid for t in tasks]
         widgets_uids: list[str] = [t.uid for t in self.tasks]