1 files changed, 82 insertions, 0 deletions
diff --git a/app/src/main/java/de/danoeh/antennapod/dialog/SubscriptionsFilterDialog.java b/app/src/main/java/de/danoeh/antennapod/dialog/SubscriptionsFilterDialog.java
new file mode 100644
index 000000000..a8915480c
--- /dev/null
+++ b/app/src/main/java/de/danoeh/antennapod/dialog/SubscriptionsFilterDialog.java
@@ -0,0 +1,82 @@
+package de.danoeh.antennapod.dialog;
+
+import android.content.Context;
+import android.text.TextUtils;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.LinearLayout;
+import android.widget.RadioButton;
+
+import androidx.appcompat.app.AlertDialog;
+
+import org.greenrobot.eventbus.EventBus;
+
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Set;
+
+import de.danoeh.antennapod.R;
+import de.danoeh.antennapod.core.event.UnreadItemsUpdateEvent;
+import de.danoeh.antennapod.core.feed.SubscriptionsFilter;
+import de.danoeh.antennapod.core.feed.SubscriptionsFilterGroup;
+import de.danoeh.antennapod.core.preferences.UserPreferences;
+import de.danoeh.antennapod.view.RecursiveRadioGroup;
+
+public class SubscriptionsFilterDialog {
+    public static void showDialog(Context context) {
+        SubscriptionsFilter subscriptionsFilter = UserPreferences.getSubscriptionsFilter();
+        final Set<String> filterValues = new HashSet<>(Arrays.asList(subscriptionsFilter.getValues()));
+        AlertDialog.Builder builder = new AlertDialog.Builder(context);
+        builder.setTitle(context.getString(R.string.pref_filter_feed_title));
+
+        LayoutInflater inflater = LayoutInflater.from(context);
+        LinearLayout layout = (LinearLayout) inflater.inflate(R.layout.filter_dialog, null, false);
+        builder.setView(layout);
+
+        for (SubscriptionsFilterGroup item : SubscriptionsFilterGroup.values()) {
+            RecursiveRadioGroup row = (RecursiveRadioGroup) inflater.inflate(R.layout.filter_dialog_row, null);
+            RadioButton filter1 = row.findViewById(R.id.filter_dialog_radioButton1);
+            RadioButton filter2 = row.findViewById(R.id.filter_dialog_radioButton2);
+            filter1.setText(item.values[0].displayName);
+            filter1.setTag(item.values[0].filterId);
+            if (item.values.length == 2) {
+                filter2.setText(item.values[1].displayName);
+                filter2.setTag(item.values[1].filterId);
+            } else {
+                filter2.setVisibility(View.GONE);
+            }
+            layout.addView(row);
+        }
+
+        for (String filterId : filterValues) {
+            if (!TextUtils.isEmpty(filterId)) {
+                ((RadioButton) layout.findViewWithTag(filterId)).setChecked(true);
+            }
+        }
+
+        builder.setPositiveButton(R.string.confirm_label, (dialog, which) -> {
+            filterValues.clear();
+            for (int i = 0; i < layout.getChildCount(); i++) {
+                if (!(layout.getChildAt(i) instanceof RecursiveRadioGroup)) {
+                    continue;
+                }
+                RecursiveRadioGroup group = (RecursiveRadioGroup) layout.getChildAt(i);
+                if (group.getCheckedButton() != null) {
+                    String tag = (String) group.getCheckedButton().getTag();
+                    if (tag != null) { // Clear buttons use no tag
+                        filterValues.add((String) group.getCheckedButton().getTag());
+                    }
+                }
+            }
+            updateFilter(filterValues);
+        });
+        builder.setNegativeButton(R.string.cancel_label, null);
+        builder.show();
+    }
+
+    private static void updateFilter(Set<String> filterValues) {
+        SubscriptionsFilter subscriptionsFilter = new SubscriptionsFilter(filterValues.toArray(new String[0]));
+        UserPreferences.setSubscriptionsFilter(subscriptionsFilter);
+        EventBus.getDefault().post(new UnreadItemsUpdateEvent());
+    }
+}