Render page content dinamically

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

data/resources/style.css

@@ -201,7 +201,7 @@
   border-radius: 12px;
 }
 
-.transparent {
+.transparent, .transparent row:hover, .transparent row:selected {
   background-color: transparent;
 }
 

errands/widgets/base/base_page.py

@@ -4,7 +4,7 @@
 
 from datetime import datetime
 
-from gi.repository import Adw, GObject, Gtk  # type:ignore
+from gi.repository import Adw, Gio, GObject, Gtk  # type:ignore
 
 from errands.lib.data import TaskData, UserData
 from errands.lib.logging import Log
@@ -16,6 +16,21 @@
 from errands.widgets.shared.components.toolbar_view import ErrandsToolbarView
 
 
+class TaskListView(GObject.GObject):
+    def __init__(self, source):
+        super().__init__()
+        self._source = source
+
+    def __getattr__(self, name):
+        return getattr(self._source, name)
+
+    def __setattr__(self, name, value):
+        if name == "_source":
+            self.__dict__[name] = value
+        else:
+            setattr(self._source, name, value)
+
+
 class BasePage(BasePageName, Adw.Bin):
     def __init__(self):
         super().__init__()
@@ -36,15 +51,33 @@ def __build_ui(self):
         )
 
         # Task List
-        self.task_list = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, margin_bottom=32)
+        self.task_list_store = Gio.ListStore(item_type=TaskListView)
+        task_list_sort_model = Gtk.SortListModel(model=self.task_list_store)
+        task_list_sort_model.set_sorter(Gtk.CustomSorter.new(self.sort))
+        factory = Gtk.SignalListItemFactory()
+        factory.connect(
+            "setup", lambda factory, list_item: list_item.set_child(PageTask(self))
+        )
+        factory.connect(
+            "bind",
+            lambda factory, list_item: list_item.get_child().set_data(
+                list_item.get_item()
+            ),
+        )
+        self.task_list = Gtk.ListView(
+            model=Gtk.SingleSelection(model=task_list_sort_model),
+            factory=factory,
+            css_classes=["transparent"],
+        )
 
         # Content
         content = Gtk.ScrolledWindow(
             propagate_natural_height=True,
-            child=Adw.Clamp(
+            child=Adw.ClampScrollable(
                 maximum_size=1000, tightening_threshold=300, child=self.task_list
             ),
         )
+
         self.status_page.bind_property(
             "visible",
             content,
@@ -71,17 +104,21 @@ def no_task_message(self) -> str:
         raise NotImplementedError
 
     @property
-    def tasks(self) -> list[PageTask]:
-        return get_children(self.task_list)
+    def tasks(self) -> list[TaskListView]:
+        items = []
+        for index in range(self.task_list_store.get_n_items()):
+            item = self.task_list_store.get_item(index)
+            items.append(item)
+        return items
 
     @property
     def tasks_data(self) -> list[TaskData]:
         raise NotImplementedError
 
     # ------ PUBLIC METHODS ------ #
 
-    def add_task(self, task_data: TaskData) -> PageTask:
-        self.task_list.append(PageTask(task_data, self))
+    def add_task(self, task_data: TaskData) -> None:
+        self.task_list_store.append(TaskListView(task_data))
         self.status_page.set_visible(False)
 
     def update_status(self):
@@ -109,7 +146,10 @@ def update_ui(self):
             if task.uid not in tasks_uids:
                 task.purge()
 
-        for task in self.tasks:
-            task.update_ui()
-
+        self.task_list.get_model().get_model().get_sorter().changed(
+            Gtk.SorterChange.DIFFERENT
+        )
         self.update_status()
+
+    def sort(self) -> GObject.TYPE_INT:
+        raise NotImplementedError

errands/widgets/page_task.py

@@ -29,15 +29,14 @@ class PageTask(Gtk.Revealer):
     block_signals: bool = True
     purging: bool = False
 
-    def __init__(self, task_data: TaskData, page: BasePage) -> None:
+    def __init__(self, page: BasePage) -> None:
         super().__init__()
-        self.task_data = task_data
-        self.list_uid = task_data.list_uid
-        self.uid = task_data.uid
+        self.task_data = None
+        self.list_uid = None
+        self.uid = None
         self.page = page
         self.__build_ui()
         self.__add_actions()
-        self.update_ui()
         self.block_signals = False
 
     def __repr__(self) -> str:
@@ -208,6 +207,12 @@ def tags(self) -> list[Tag]:
 
     # ------ PUBLIC METHODS ------ #
 
+    def set_data(self, task_data: TaskListView):
+        self.task_data = task_data
+        self.list_uid = task_data.list_uid
+        self.uid = task_data.uid
+        self.update_ui()
+
     def add_rm_crossline(self, add: bool) -> None:
         if add:
             self.title_row.add_css_class("task-completed")
@@ -258,9 +263,12 @@ def update_props(self, props: list[str], values: list[Any]) -> None:
                 values.append(datetime.datetime.now().strftime("%Y%m%dT%H%M%S"))
                 break
         UserData.update_props(self.list_uid, self.uid, props, values)
+        for prop, value in zip(props, values):
+            setattr(self.task_data, prop, value)
         # Update linked page
         if props == ["expanded"] or props == ["toolbar_shown"]:
             getattr(State, f"{self.page.page_name}_page").update_ui()
+        self.page.update_ui()
 
     def toggle_visibility(self, on: bool) -> None:
         GLib.idle_add(self.set_reveal_child, on)

errands/widgets/today/today_page.py

@@ -4,6 +4,8 @@
 
 from datetime import datetime
 
+from gi.repository.GObject import TYPE_INT
+
 from errands.lib.data import TaskData, UserData
 from errands.widgets.base.base_page import BasePage
 from errands.widgets.today.today_page_name import TodayPageName
@@ -25,3 +27,6 @@ def tasks_data(self) -> list[TaskData]:
             and t.due_date
             and datetime.fromisoformat(t.due_date).date() <= datetime.today().date()
         ]
+
+    def sort(self, task1, task2, user_data) -> TYPE_INT:
+        return (task1.due_date > task2.due_date) - (task1.due_date < task2.due_date)