2 * The MIT License (MIT)
4 * Copyright (C) 2013 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 package org.apidesign.html.demo.twitter;
26 import java.util.Arrays;
27 import java.util.List;
28 import net.java.html.json.ComputedProperty;
29 import net.java.html.json.Function;
30 import net.java.html.json.Model;
31 import net.java.html.json.OnPropertyChange;
32 import net.java.html.json.OnReceive;
33 import net.java.html.json.Property;
35 /** Controller class for access to Twitter.
37 * @author Jaroslav Tulach
39 @Model(className="TwitterModel", properties={
40 @Property(name="savedLists", type=Tweeters.class, array = true),
41 @Property(name="activeTweetersName", type=String.class),
42 @Property(name="activeTweeters", type=String.class, array = true),
43 @Property(name="userNameToAdd", type=String.class),
44 @Property(name="currentTweets", type=Tweet.class, array = true),
45 @Property(name="loading", type=boolean.class)
47 final class TwitterClient {
48 @Model(className = "Tweeters", properties = {
49 @Property(name="name", type = String.class),
50 @Property(name="userNames", type = String.class, array = true)
54 @Model(className = "Tweet", properties = {
55 @Property(name = "from_user", type = String.class),
56 @Property(name = "from_user_id", type = int.class),
57 @Property(name = "profile_image_url", type = String.class),
58 @Property(name = "text", type = String.class),
59 @Property(name = "created_at", type = String.class),
61 static final class Twt {
62 @ComputedProperty static String html(String text) {
63 StringBuilder sb = new StringBuilder(320);
65 int http = text.indexOf("http", pos);
67 sb.append(text.substring(pos));
70 int spc = text.indexOf(' ', http);
74 sb.append(text.substring(pos, http));
75 String url = text.substring(http, spc);
76 sb.append("<a href='").append(url).append("'>").append(url).append("</a>");
81 @ComputedProperty static String userUrl(String from_user) {
82 return "http://twitter.com/" + from_user;
85 @Model(className = "TwitterQuery", properties = {
86 @Property(array = true, name = "results", type = Twt.class)
88 public static final class TwttrQr {
91 @OnReceive(url="{root}/search.json?{query}&callback={me}", jsonp="me")
92 static void queryTweets(TwitterModel page, TwitterQuery q) {
93 page.getCurrentTweets().clear();
94 page.getCurrentTweets().addAll(q.getResults());
95 page.setLoading(false);
98 @OnPropertyChange("activeTweetersName")
99 static void changeTweetersList(TwitterModel model) {
100 Tweeters people = findByName(model.getSavedLists(), model.getActiveTweetersName());
101 model.getActiveTweeters().clear();
102 model.getActiveTweeters().addAll(people.getUserNames());
105 @OnPropertyChange({ "activeTweeters", "activeTweetersCount" })
106 static void refreshTweets(TwitterModel model) {
107 StringBuilder sb = new StringBuilder();
108 sb.append("rpp=25&q=");
110 for (String p : model.getActiveTweeters()) {
116 model.setLoading(true);
117 model.queryTweets("http://search.twitter.com", sb.toString());
121 final TwitterModel model = new TwitterModel();
122 final List<Tweeters> svdLst = model.getSavedLists();
123 svdLst.add(newTweeters("API Design", "JaroslavTulach"));
124 svdLst.add(newTweeters("Celebrities", "JohnCleese", "MCHammer", "StephenFry", "algore", "StevenSanderson"));
125 svdLst.add(newTweeters("Microsoft people", "BillGates", "shanselman", "ScottGu"));
126 svdLst.add(newTweeters("NetBeans", "GeertjanW","monacotoni", "NetBeans", "petrjiricka"));
127 svdLst.add(newTweeters("Tech pundits", "Scobleizer", "LeoLaporte", "techcrunch", "BoingBoing", "timoreilly", "codinghorror"));
129 model.setActiveTweetersName("NetBeans");
131 model.applyBindings();
135 static boolean hasUnsavedChanges(List<String> activeTweeters, List<Tweeters> savedLists, String activeTweetersName) {
136 Tweeters tw = findByName(savedLists, activeTweetersName);
137 if (activeTweeters == null) {
140 return !tw.getUserNames().equals(activeTweeters);
144 static int activeTweetersCount(List<String> activeTweeters) {
145 return activeTweeters.size();
149 static boolean userNameToAddIsValid(
150 String userNameToAdd, String activeTweetersName, List<Tweeters> savedLists, List<String> activeTweeters
152 return userNameToAdd != null &&
153 userNameToAdd.matches("[a-zA-Z0-9_]{1,15}") &&
154 !activeTweeters.contains(userNameToAdd);
158 static void deleteList(TwitterModel model) {
159 final List<Tweeters> sl = model.getSavedLists();
160 sl.remove(findByName(sl, model.getActiveTweetersName()));
162 final Tweeters t = new Tweeters();
166 model.setActiveTweetersName(sl.get(0).getName());
170 static void saveChanges(TwitterModel model) {
171 Tweeters t = findByName(model.getSavedLists(), model.getActiveTweetersName());
172 int indx = model.getSavedLists().indexOf(t);
174 t.setName(model.getActiveTweetersName());
175 t.getUserNames().clear();
176 t.getUserNames().addAll(model.getActiveTweeters());
181 static void addUser(TwitterModel model) {
182 String n = model.getUserNameToAdd();
183 model.getActiveTweeters().add(n);
186 static void removeUser(String data, TwitterModel model) {
187 model.getActiveTweeters().remove(data);
190 private static Tweeters findByName(List<Tweeters> list, String name) {
191 for (Tweeters l : list) {
192 if (l.getName() != null && l.getName().equals(name)) {
196 return list.isEmpty() ? new Tweeters() : list.get(0);
199 private static Tweeters newTweeters(String listName, String... userNames) {
200 Tweeters t = new Tweeters();
202 t.getUserNames().addAll(Arrays.asList(userNames));