SimpleAdapter.java revision 9066cfe9886ac131c34d59ed0e2d287b0e3c0087
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.widget; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewGroup; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.LayoutInflater; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.net.Uri; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.ArrayList; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.List; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.Map; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * An easy adapter to map static data to views defined in an XML file. You can specify the data 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * backing the list as an ArrayList of Maps. Each entry in the ArrayList corresponds to one row 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in the list. The Maps contain the data for each row. You also specify an XML file that 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * defines the views used to display the row, and a mapping from keys in the Map to specific 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * views. 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Binding data to views occurs in two phases. First, if a 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.widget.SimpleAdapter.ViewBinder} is available, 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link ViewBinder#setViewValue(android.view.View, Object, String)} 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is invoked. If the returned value is true, binding has occurred. 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If the returned value is false, the following views are then tried in order: 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li> A view that implements Checkable (e.g. CheckBox). The expected bind value is a boolean. 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li> TextView. The expected bind value is a string and {@link #setViewText(TextView, String)} 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is invoked. 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li> ImageView. The expected bind value is a resource id or a string and 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #setViewImage(ImageView, int)} or {@link #setViewImage(ImageView, String)} is invoked. 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If no appropriate binding can be found, an {@link IllegalStateException} is thrown. 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class SimpleAdapter extends BaseAdapter implements Filterable { 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int[] mTo; 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String[] mFrom; 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ViewBinder mViewBinder; 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private List<? extends Map<String, ?>> mData; 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mResource; 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mDropDownResource; 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private LayoutInflater mInflater; 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private SimpleFilter mFilter; 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ArrayList<Map<String, ?>> mUnfilteredData; 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Constructor 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param context The context where the View associated with this SimpleAdapter is running 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param data A List of Maps. Each entry in the List corresponds to one row in the list. The 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Maps contain the data for each row, and should include all the entries specified in 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * "from" 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param resource Resource identifier of a view layout that defines the views for this list 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * item. The layout file should include at least those named views defined in "to" 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param from A list of column names that will be added to the Map associated with each 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * item. 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param to The views that should display column in the "from" parameter. These should all be 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * TextViews. The first N views in this list are given the values of the first N columns 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in the from parameter. 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SimpleAdapter(Context context, List<? extends Map<String, ?>> data, 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int resource, String[] from, int[] to) { 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mData = data; 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResource = mDropDownResource = resource; 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFrom = from; 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTo = to; 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.Adapter#getCount() 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getCount() { 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mData.size(); 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.Adapter#getItem(int) 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Object getItem(int position) { 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mData.get(position); 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.Adapter#getItemId(int) 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long getItemId(int position) { 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return position; 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.Adapter#getView(int, View, ViewGroup) 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getView(int position, View convertView, ViewGroup parent) { 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return createViewFromResource(position, convertView, parent, mResource); 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View createViewFromResource(int position, View convertView, 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewGroup parent, int resource) { 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View v; 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (convertView == null) { 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = mInflater.inflate(resource, parent, false); 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int[] to = mTo; 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = to.length; 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] holder = new View[count]; 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project holder[i] = v.findViewById(to[i]); 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v.setTag(holder); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = convertView; 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bindView(position, v); 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return v; 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Sets the layout resource to create the drop down views.</p> 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param resource the layout resource defining the drop down views 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getDropDownView(int, android.view.View, android.view.ViewGroup) 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setDropDownViewResource(int resource) { 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.mDropDownResource = resource; 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getDropDownView(int position, View convertView, ViewGroup parent) { 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return createViewFromResource(position, convertView, parent, mDropDownResource); 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void bindView(int position, View view) { 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Map dataSet = mData.get(position); 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dataSet == null) { 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ViewBinder binder = mViewBinder; 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] holder = (View[]) view.getTag(); 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final String[] from = mFrom; 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int[] to = mTo; 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = to.length; 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View v = holder[i]; 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (v != null) { 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Object data = dataSet.get(from[i]); 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String text = data == null ? "" : data.toString(); 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (text == null) { 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project text = ""; 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean bound = false; 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (binder != null) { 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bound = binder.setViewValue(v, data, text); 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!bound) { 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (v instanceof Checkable) { 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (data instanceof Boolean) { 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((Checkable) v).setChecked((Boolean) data); 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException(v.getClass().getName() + 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project " should be bound to a Boolean, not a " + data.getClass()); 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (v instanceof TextView) { 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Note: keep the instanceof TextView check at the bottom of these 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ifs since a lot of views are TextViews (e.g. CheckBoxes). 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setViewText((TextView) v, text); 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (v instanceof ImageView) { 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (data instanceof Integer) { 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setViewImage((ImageView) v, (Integer) data); 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setViewImage((ImageView) v, text); 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException(v.getClass().getName() + " is not a " + 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project " view that can be bounds by this SimpleAdapter"); 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the {@link ViewBinder} used to bind data to views. 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a ViewBinder or null if the binder does not exist 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setViewBinder(android.widget.SimpleAdapter.ViewBinder) 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ViewBinder getViewBinder() { 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mViewBinder; 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the binder used to bind data to views. 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param viewBinder the binder used to bind data to views, can be null to 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * remove the existing binder 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getViewBinder() 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setViewBinder(ViewBinder viewBinder) { 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mViewBinder = viewBinder; 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called by bindView() to set the image for an ImageView but only if 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * there is no existing ViewBinder or if the existing ViewBinder cannot 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * handle binding to an ImageView. 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This method is called instead of {@link #setViewImage(ImageView, String)} 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if the supplied data is an int or Integer. 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param v ImageView to receive an image 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the value retrieved from the data set 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setViewImage(ImageView, String) 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setViewImage(ImageView v, int value) { 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v.setImageResource(value); 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called by bindView() to set the image for an ImageView but only if 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * there is no existing ViewBinder or if the existing ViewBinder cannot 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * handle binding to an ImageView. 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * By default, the value will be treated as an image resource. If the 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value cannot be used as an image resource, the value is used as an 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * image Uri. 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This method is called instead of {@link #setViewImage(ImageView, int)} 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if the supplied data is not an int or Integer. 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param v ImageView to receive an image 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the value retrieved from the data set 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setViewImage(ImageView, int) 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setViewImage(ImageView v, String value) { 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v.setImageResource(Integer.parseInt(value)); 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (NumberFormatException nfe) { 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v.setImageURI(Uri.parse(value)); 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called by bindView() to set the text for a TextView but only if 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * there is no existing ViewBinder or if the existing ViewBinder cannot 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * handle binding to an TextView. 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param v TextView to receive text 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param text the text to be set for the TextView 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setViewText(TextView v, String text) { 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v.setText(text); 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Filter getFilter() { 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFilter == null) { 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFilter = new SimpleFilter(); 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFilter; 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This class can be used by external clients of SimpleAdapter to bind 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * values to views. 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You should use this class to bind values to views that are not 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * directly supported by SimpleAdapter or to change the way binding 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * occurs for views supported by SimpleAdapter. 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see SimpleAdapter#setViewImage(ImageView, int) 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see SimpleAdapter#setViewImage(ImageView, String) 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see SimpleAdapter#setViewText(TextView, String) 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static interface ViewBinder { 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Binds the specified data to the specified view. 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When binding is handled by this ViewBinder, this method must return true. 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If this method returns false, SimpleAdapter will attempts to handle 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the binding on its own. 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view the view to bind the data to 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param data the data to bind to the view 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param textRepresentation a safe String representation of the supplied data: 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * it is either the result of data.toString() or an empty String but it 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is never null 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the data was bound to the view, false otherwise 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean setViewValue(View view, Object data, String textRepresentation); 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>An array filters constrains the content of the array adapter with 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a prefix. Each item that does not start with the supplied prefix 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is removed from the list.</p> 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class SimpleFilter extends Filter { 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected FilterResults performFiltering(CharSequence prefix) { 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FilterResults results = new FilterResults(); 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mUnfilteredData == null) { 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUnfilteredData = new ArrayList<Map<String, ?>>(mData); 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (prefix == null || prefix.length() == 0) { 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayList<Map<String, ?>> list = mUnfilteredData; 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project results.values = list; 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project results.count = list.size(); 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String prefixString = prefix.toString().toLowerCase(); 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayList<Map<String, ?>> unfilteredValues = mUnfilteredData; 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = unfilteredValues.size(); 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayList<Map<String, ?>> newValues = new ArrayList<Map<String, ?>>(count); 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Map<String, ?> h = unfilteredValues.get(i); 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (h != null) { 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = mTo.length; 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j=0; j<len; j++) { 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String str = (String)h.get(mFrom[j]); 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String[] words = str.split(" "); 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int wordCount = words.length; 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int k = 0; k < wordCount; k++) { 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String word = words[k]; 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (word.toLowerCase().startsWith(prefixString)) { 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project newValues.add(h); 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project results.values = newValues; 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project results.count = newValues.size(); 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return results; 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void publishResults(CharSequence constraint, FilterResults results) { 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //noinspection unchecked 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mData = (List<Map<String, ?>>) results.values; 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (results.count > 0) { 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyDataSetChanged(); 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyDataSetInvalidated(); 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 394