wip: navigation system - NavItemWidgets

ui/components/mainwindow/animatedstackednavitemwidgets.py

@@ -0,0 +1,47 @@
+from PySide6.QtWidgets import QWidget
+
+from ui.navigation.navhost import NavHost, navHost
+from ui.navigation.navitem import NavItem
+from ui.navigation.navitemwidgets import NavItemWidgets
+from ui.widgets.slidingstackedwidget import SlidingStackedWidget
+
+
+class AnimatedStackedNavItemsWidgets(SlidingStackedWidget):
+    def __init__(
+        self, navItemWidgets: NavItemWidgets, navHost: NavHost = navHost, parent=None
+    ):
+        super().__init__(parent)
+
+        self.navItemWidgets = navItemWidgets
+        self.navHost = navHost
+
+        self.navHost.activated.connect(self.__switchTo)
+        self.animationFinished.connect(self.endChangingWidget)
+
+    def __switchTo(self, oldNavItem: NavItem, newNavItem: NavItem):
+        oldNavItemDepth = self.navHost.getNavItemDepth(oldNavItem.id)
+        newNavItemDepth = self.navHost.getNavItemDepth(newNavItem.id)
+
+        if oldNavItemDepth != newNavItemDepth:
+            slidingDirection = (
+                self.slidingDirection.RightToLeft
+                if newNavItemDepth > oldNavItemDepth
+                else self.slidingDirection.LeftToRight
+            )
+        else:
+            slidingDirection = self.slidingDirection.TopToBottom
+
+        newWidget = self.navItemWidgets.get(newNavItem.id) or QWidget()
+        self.startChangingWidget(newWidget, slidingDirection)
+
+    def startChangingWidget(self, newWidget: QWidget, slidingDirection):
+        newIndex = self.addWidget(newWidget)
+        [self.widget(i).setEnabled(False) for i in range(self.count())]
+        self.slideInIdx(newIndex, slidingDirection)
+
+    def endChangingWidget(self):
+        oldWidget = self.widget(0)
+        self.removeWidget(oldWidget)
+
+        newWidget = self.widget(0)
+        newWidget.setEnabled(True)