1/*
2 * Copyright (c) 2018, Daniel Gultsch All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without modification,
5 * are permitted provided that the following conditions are met:
6 *
7 * 1. Redistributions of source code must retain the above copyright notice, this
8 * list of conditions and the following disclaimer.
9 *
10 * 2. Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation and/or
12 * other materials provided with the distribution.
13 *
14 * 3. Neither the name of the copyright holder nor the names of its contributors
15 * may be used to endorse or promote products derived from this software without
16 * specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
22 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
25 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30package eu.siacs.conversations.ui.adapter;
31
32import android.content.Context;
33import android.widget.ArrayAdapter;
34import android.widget.Filter;
35
36import androidx.annotation.NonNull;
37
38import java.util.ArrayList;
39import java.util.List;
40import java.util.Locale;
41
42import eu.siacs.conversations.entities.PresenceTemplate;
43
44
45public class PresenceTemplateAdapter extends ArrayAdapter<PresenceTemplate> {
46
47 private final List<PresenceTemplate> templates;
48
49 private final Filter filter = new Filter() {
50
51 @Override
52 protected FilterResults performFiltering(CharSequence constraint) {
53 FilterResults results = new FilterResults();
54 if (constraint == null || constraint.length() == 0) {
55 results.values = new ArrayList<>(templates);
56 results.count = templates.size();
57 } else {
58 ArrayList<PresenceTemplate> suggestions = new ArrayList<>();
59 final String needle = constraint.toString().trim().toLowerCase(Locale.getDefault());
60 for(PresenceTemplate template : templates) {
61 final String lc = template.getStatusMessage().toLowerCase(Locale.getDefault());
62 if (needle.isEmpty() || lc.contains(needle)) {
63 suggestions.add(template);
64 }
65 }
66 results.values = suggestions;
67 results.count = suggestions.size();
68 }
69 return results;
70 }
71
72 @Override
73 protected void publishResults(CharSequence constraint, FilterResults results) {
74 ArrayList filteredList = (ArrayList) results.values;
75 clear();
76 for (Object c : filteredList) {
77 add((PresenceTemplate) c);
78 }
79 notifyDataSetChanged();
80 }
81 };
82
83 public PresenceTemplateAdapter(@NonNull Context context, int resource, @NonNull List<PresenceTemplate> templates) {
84 super(context, resource, new ArrayList<>());
85 this.templates = new ArrayList<>(templates);
86 }
87
88 @Override
89 @NonNull
90 public Filter getFilter() {
91 return this.filter;
92 }
93}