1 files changed, 51 insertions, 0 deletions
diff --git a/app/src/main/java/de/danoeh/antennapod/dialog/IntraFeedSortDialog.java b/app/src/main/java/de/danoeh/antennapod/dialog/IntraFeedSortDialog.java
new file mode 100644
index 000000000..2ee716c7c
--- /dev/null
+++ b/app/src/main/java/de/danoeh/antennapod/dialog/IntraFeedSortDialog.java
@@ -0,0 +1,51 @@
+package de.danoeh.antennapod.dialog;
+
+import android.content.Context;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AlertDialog;
+
+import de.danoeh.antennapod.R;
+import de.danoeh.antennapod.core.util.SortOrder;
+
+public abstract class IntraFeedSortDialog {
+
+    @Nullable
+    protected SortOrder currentSortOrder;
+    @NonNull
+    protected Context context;
+
+    public IntraFeedSortDialog(@NonNull Context context, @Nullable SortOrder sortOrder) {
+        this.context = context;
+        this.currentSortOrder = sortOrder;
+    }
+
+    public void openDialog() {
+        final String[] items = context.getResources().getStringArray(R.array.feed_episodes_sort_options);
+        final String[] valueStrs = context.getResources().getStringArray(R.array.feed_episodes_sort_values);
+        final SortOrder[] values = new SortOrder[valueStrs.length];
+        for (int i = 0; i < valueStrs.length; i++) {
+            values[i] = SortOrder.valueOf(valueStrs[i]);
+        }
+
+        int idxCurrentSort = -1;
+        for  (int i = 0; i < values.length; i++) {
+            if (currentSortOrder == values[i]) {
+                idxCurrentSort = i;
+                break;
+            }
+        }
+
+        AlertDialog.Builder builder = new AlertDialog.Builder(context);
+        builder.setTitle(R.string.sort);
+        builder.setSingleChoiceItems(items, idxCurrentSort, (dialog, idxNewSort) -> {
+            updateSort(values[idxNewSort]);
+            dialog.dismiss();
+        });
+        builder.setNegativeButton(R.string.cancel_label, null);
+        builder.create().show();
+    }
+
+    protected abstract void updateSort(@NonNull SortOrder sortOrder);
+}