1 files changed, 75 insertions, 0 deletions
diff --git a/app/src/main/java/de/danoeh/antennapod/dialog/ItemFilterDialog.java b/app/src/main/java/de/danoeh/antennapod/dialog/ItemFilterDialog.java
new file mode 100644
index 000000000..ae938a6ec
--- /dev/null
+++ b/app/src/main/java/de/danoeh/antennapod/dialog/ItemFilterDialog.java
@@ -0,0 +1,75 @@
+package de.danoeh.antennapod.dialog;
+
+import android.os.Bundle;
+import android.text.TextUtils;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.LinearLayout;
+import android.widget.RadioButton;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import com.google.android.material.bottomsheet.BottomSheetDialogFragment;
+import de.danoeh.antennapod.R;
+import de.danoeh.antennapod.core.feed.FeedItemFilterGroup;
+import de.danoeh.antennapod.model.feed.FeedItemFilter;
+import de.danoeh.antennapod.ui.common.RecursiveRadioGroup;
+
+import java.util.HashSet;
+import java.util.Set;
+
+public abstract class ItemFilterDialog extends BottomSheetDialogFragment {
+    protected static final String ARGUMENT_FILTER = "filter";
+
+    private LinearLayout rows;
+
+    @Nullable
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
+                             @Nullable Bundle savedInstanceState) {
+        View layout = inflater.inflate(R.layout.filter_dialog, null, false);
+        rows = layout.findViewById(R.id.filter_rows);
+        FeedItemFilter filter = (FeedItemFilter) getArguments().getSerializable(ARGUMENT_FILTER);
+
+        for (FeedItemFilterGroup item : FeedItemFilterGroup.values()) {
+            RecursiveRadioGroup row = (RecursiveRadioGroup) inflater.inflate(R.layout.filter_dialog_row, null, false);
+            row.setOnCheckedChangeListener((group, checkedId) -> onFilterChanged(getNewFilterValues()));
+            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);
+            filter2.setText(item.values[1].displayName);
+            filter2.setTag(item.values[1].filterId);
+            rows.addView(row);
+        }
+
+        for (String filterId : filter.getValues()) {
+            if (!TextUtils.isEmpty(filterId)) {
+                RadioButton button = layout.findViewWithTag(filterId);
+                if (button != null) {
+                    button.setChecked(true);
+                }
+            }
+        }
+        return layout;
+    }
+
+    protected Set<String> getNewFilterValues() {
+        final Set<String> newFilterValues = new HashSet<>();
+        for (int i = 0; i < rows.getChildCount(); i++) {
+            if (!(rows.getChildAt(i) instanceof RecursiveRadioGroup)) {
+                continue;
+            }
+            RecursiveRadioGroup group = (RecursiveRadioGroup) rows.getChildAt(i);
+            if (group.getCheckedButton() != null) {
+                String tag = (String) group.getCheckedButton().getTag();
+                if (tag != null) { // Clear buttons use no tag
+                    newFilterValues.add((String) group.getCheckedButton().getTag());
+                }
+            }
+        }
+        return newFilterValues;
+    }
+
+    abstract void onFilterChanged(Set<String> newFilterValues);
+}