Glenn Kasten | ff7c8b9 | 2016-03-18 12:28:06 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| 5 | * use this file except in compliance with the License. You may obtain a copy of |
| 6 | * 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, WITHOUT |
| 12 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 13 | * License for the specific language governing permissions and limitations under |
| 14 | * the License. |
| 15 | */ |
| 16 | package com.android.locationtracker.data; |
| 17 | |
| 18 | import android.app.ListActivity; |
| 19 | import android.content.Context; |
| 20 | import android.database.Cursor; |
| 21 | import android.view.View; |
| 22 | import android.widget.ResourceCursorAdapter; |
| 23 | import android.widget.TextView; |
| 24 | |
| 25 | import com.android.locationtracker.R; |
| 26 | |
| 27 | /** |
| 28 | * Used to bind Tracker data to a list view UI |
| 29 | */ |
| 30 | public class TrackerListHelper extends TrackerDataHelper { |
| 31 | |
| 32 | private ListActivity mActivity; |
| 33 | |
| 34 | // sort entries by most recent first |
| 35 | private static final String SORT_ORDER = TrackerEntry.ID_COL + " DESC"; |
| 36 | |
| 37 | public TrackerListHelper(ListActivity activity) { |
| 38 | super(activity, TrackerDataHelper.CSV_FORMATTER); |
| 39 | mActivity = activity; |
| 40 | } |
| 41 | |
| 42 | /** |
| 43 | * Helper method for binding the list activities UI to the tracker data |
| 44 | * Tracker data will be sorted in most-recent first order |
| 45 | * Will enable automatic UI changes as tracker data changes |
| 46 | * |
| 47 | * @param layout - layout to populate data |
| 48 | */ |
| 49 | public void bindListUI(int layout) { |
| 50 | Cursor cursor = mActivity.managedQuery(TrackerProvider.CONTENT_URI, |
| 51 | TrackerEntry.ATTRIBUTES, null, null, SORT_ORDER); |
| 52 | // Used to map tracker entries from the database to views |
| 53 | TrackerAdapter adapter = new TrackerAdapter(mActivity, layout, cursor); |
| 54 | mActivity.setListAdapter(adapter); |
| 55 | cursor.setNotificationUri(mActivity.getContentResolver(), |
| 56 | TrackerProvider.CONTENT_URI); |
| 57 | |
| 58 | } |
| 59 | |
| 60 | private class TrackerAdapter extends ResourceCursorAdapter { |
| 61 | |
| 62 | public TrackerAdapter(Context context, int layout, Cursor c) { |
| 63 | super(context, layout, c); |
| 64 | } |
| 65 | |
| 66 | @Override |
| 67 | public void bindView(View view, Context context, Cursor cursor) { |
| 68 | final TextView v = (TextView) view |
| 69 | .findViewById(R.id.entrylist_item); |
| 70 | String rowText = mFormatter.getOutput(TrackerEntry |
| 71 | .createEntry(cursor)); |
| 72 | v.setText(rowText); |
| 73 | } |
| 74 | } |
| 75 | } |