StwParser.kt now collects all its data before adding everything to the database all at once, fixing problems where LiveData would update before all transactions were finished; ViewPagers have been updated to use Adapters extending FragmentStateAdapter instead of RecyclerView.Adapter

2023-04-27 21:58:10 +02:00
parent ccd77a5daf
commit ce7b854e8c
15 changed files with 373 additions and 164 deletions
@@ -0,0 +1,60 @@
+package com.denizk0461.studip.fragment
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.denizk0461.studip.adapter.StudIPEventPageAdapter
+import com.denizk0461.studip.adapter.StudIPEventItemAdapter
+import com.denizk0461.studip.databinding.RecyclerViewBinding
+import com.denizk0461.studip.model.StudIPEvent
+
+/**
+ * Fragment that is instantiated by [StudIPEventPageAdapter] to display individual days' pages and
+ * their events.
+ *
+ * @param events            list of all events (still not filtered by day at this point)
+ * @param currentDay        current day that is used to show only events of a given day (0 = Monday,
+ *                          4 = Friday)
+ * @param onClickListener   used for listening to clicks and long presses
+ */
+class EventPageFragment(
+    private val events: List<StudIPEvent>,
+    private val currentDay: Int,
+    private val onClickListener: StudIPEventItemAdapter.OnClickListener,
+) : AppFragment() {
+
+    // Nullable view binding reference
+    private var _binding: RecyclerViewBinding? = null
+
+    /*
+     * Non-null reference to the view binding. This property is only valid between onCreateView and
+     * onDestroyView.
+     */
+    private val binding get() = _binding!!
+
+    // Instantiate the view binding
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
+        _binding = RecyclerViewBinding.inflate(inflater, container, false)
+        return binding.root
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        binding.recyclerView.apply {
+            // Set page to scroll vertically
+            layoutManager = LinearLayoutManager(context, LinearLayoutManager.VERTICAL, false)
+
+            /*
+             * Create new adapter for every page. Attribute position denotes day that will be set up
+             * by the newly created adapter (0 = Monday, 4 = Friday)
+             */
+            adapter = StudIPEventItemAdapter(events, currentDay, onClickListener) // TODO check if empty
+
+            // Animate creation of new page
+            scheduleLayoutAnimation()
+        }
+    }
+}