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      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 package com.android.quicksearchbox.ui;
     17 
     18 import android.content.Context;
     19 import android.util.AttributeSet;
     20 import android.view.View;
     21 import android.widget.ExpandableListAdapter;
     22 import android.widget.ExpandableListView;
     23 
     24 /**
     25  * Suggestions view that displays suggestions clustered by corpus type.
     26  */
     27 public class ClusteredSuggestionsView extends ExpandableListView
     28         implements SuggestionsListView<ExpandableListAdapter> {
     29 
     30     SuggestionsAdapter<ExpandableListAdapter> mSuggestionsAdapter;
     31 
     32     public ClusteredSuggestionsView(Context context, AttributeSet attrs) {
     33         super(context, attrs);
     34     }
     35 
     36     public void setSuggestionsAdapter(SuggestionsAdapter<ExpandableListAdapter> adapter) {
     37         mSuggestionsAdapter = adapter;
     38         super.setAdapter(adapter == null ? null : adapter.getListAdapter());
     39     }
     40 
     41     public SuggestionsAdapter<ExpandableListAdapter> getSuggestionsAdapter() {
     42         return mSuggestionsAdapter;
     43     }
     44 
     45     public void setLimitSuggestionsToViewHeight(boolean limit) {
     46         // not supported
     47     }
     48 
     49     @Override
     50     public void onFinishInflate() {
     51         super.onFinishInflate();
     52         setItemsCanFocus(false);
     53         setOnGroupClickListener(new OnGroupClickListener(){
     54             public boolean onGroupClick(
     55                     ExpandableListView parent, View v, int groupPosition, long id) {
     56                 // disable collapsing / expanding
     57                 return true;
     58             }});
     59     }
     60 
     61     public void expandAll() {
     62         if (mSuggestionsAdapter != null) {
     63             ExpandableListAdapter adapter = mSuggestionsAdapter.getListAdapter();
     64             for (int i = 0; i < adapter.getGroupCount(); ++i) {
     65                 expandGroup(i);
     66             }
     67         }
     68     }
     69 
     70 }
     71