Unbundle with the PreferenceManager.
Change-Id: Ib415bf36147f35cbf1681cd87514124822ac48c6
diff --git a/src/com/android/camera/PreferenceGroup.java b/src/com/android/camera/PreferenceGroup.java
new file mode 100644
index 0000000..d4972f8
--- /dev/null
+++ b/src/com/android/camera/PreferenceGroup.java
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.camera;
+
+import java.util.ArrayList;
+
+import android.content.Context;
+import android.util.AttributeSet;
+
+/**
+ * A collection of <code>CameraPreference</code>s. It may contain other
+ * <code>PreferenceGroup</code> and form a tree structure.
+ */
+public class PreferenceGroup extends CameraPreference {
+ private ArrayList<CameraPreference> list =
+ new ArrayList<CameraPreference>();
+
+ public PreferenceGroup(Context context, AttributeSet attrs) {
+ super(context, attrs);
+ }
+
+ public void addChild(CameraPreference child) {
+ list.add(child);
+ }
+
+ public void removePreference(int index) {
+ list.remove(index);
+ }
+
+ public CameraPreference get(int index) {
+ return list.get(index);
+ }
+
+ public int size() {
+ return list.size();
+ }
+
+ /**
+ * Finds the preference with the given key recursively. Returns
+ * <code>null</code> if cannot find.
+ */
+ public ListPreference findPreference(String key) {
+ // Find a leaf preference with the given key. Currently, the base
+ // type of all "leaf" preference is "ListPreference". If we add some
+ // other types later, we need to change the code.
+ for (CameraPreference pref : list) {
+ if (pref instanceof ListPreference) {
+ ListPreference listPref = (ListPreference) pref;
+ if(listPref.getKey().equals(key)) return listPref;
+ } else if(pref instanceof PreferenceGroup) {
+ ListPreference listPref =
+ ((PreferenceGroup) pref).findPreference(key);
+ if (listPref != null) return listPref;
+ }
+ }
+ return null;
+ }
+}