javaquery/demo-twitter/src/main/java/org/apidesign/bck2brwsr/demo/twitter/TwitterClient.java
1.1 --- a/javaquery/demo-twitter/src/main/java/org/apidesign/bck2brwsr/demo/twitter/TwitterClient.java Tue Apr 29 15:25:58 2014 +0200
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,194 +0,0 @@
1.4 -/**
1.5 - * Back 2 Browser Bytecode Translator
1.6 - * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
1.7 - *
1.8 - * This program is free software: you can redistribute it and/or modify
1.9 - * it under the terms of the GNU General Public License as published by
1.10 - * the Free Software Foundation, version 2 of the License.
1.11 - *
1.12 - * This program is distributed in the hope that it will be useful,
1.13 - * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.14 - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.15 - * GNU General Public License for more details.
1.16 - *
1.17 - * You should have received a copy of the GNU General Public License
1.18 - * along with this program. Look for COPYING file in the top folder.
1.19 - * If not, see http://opensource.org/licenses/GPL-2.0.
1.20 - */
1.21 -package org.apidesign.bck2brwsr.demo.twitter;
1.22 -
1.23 -import java.util.Arrays;
1.24 -import java.util.List;
1.25 -import org.apidesign.bck2brwsr.htmlpage.api.*;
1.26 -import org.apidesign.bck2brwsr.htmlpage.api.Page;
1.27 -import org.apidesign.bck2brwsr.htmlpage.api.Property;
1.28 -import org.apidesign.bck2brwsr.htmlpage.api.ComputedProperty;
1.29 -
1.30 -/** Controller class for access to Twitter.
1.31 - *
1.32 - * @author Jaroslav Tulach
1.33 - */
1.34 -@Page(xhtml="index.html", className="TwitterModel", properties={
1.35 - @Property(name="savedLists", type=Tweeters.class, array = true),
1.36 - @Property(name="activeTweetersName", type=String.class),
1.37 - @Property(name="activeTweeters", type=String.class, array = true),
1.38 - @Property(name="userNameToAdd", type=String.class),
1.39 - @Property(name="currentTweets", type=Tweet.class, array = true)
1.40 -})
1.41 -public class TwitterClient {
1.42 - @Model(className = "Tweeters", properties = {
1.43 - @Property(name="name", type = String.class),
1.44 - @Property(name="userNames", type = String.class, array = true)
1.45 - })
1.46 - static class Twttrs {
1.47 - }
1.48 - @Model(className = "Tweet", properties = {
1.49 - @Property(name = "from_user", type = String.class),
1.50 - @Property(name = "from_user_id", type = int.class),
1.51 - @Property(name = "profile_image_url", type = String.class),
1.52 - @Property(name = "text", type = String.class),
1.53 - @Property(name = "created_at", type = String.class),
1.54 - })
1.55 - static final class Twt {
1.56 - @ComputedProperty static String html(String text) {
1.57 - StringBuilder sb = new StringBuilder(320);
1.58 - for (int pos = 0;;) {
1.59 - int http = text.indexOf("http", pos);
1.60 - if (http == -1) {
1.61 - sb.append(text.substring(pos));
1.62 - return sb.toString();
1.63 - }
1.64 - int spc = text.indexOf(' ', http);
1.65 - if (spc == -1) {
1.66 - spc = text.length();
1.67 - }
1.68 - sb.append(text.substring(pos, http));
1.69 - String url = text.substring(http, spc);
1.70 - sb.append("<a href='").append(url).append("'>").append(url).append("</a>");
1.71 - pos = spc;
1.72 - }
1.73 - }
1.74 -
1.75 - @ComputedProperty static String userUrl(String from_user) {
1.76 - return "http://twitter.com/" + from_user;
1.77 - }
1.78 - }
1.79 - @Model(className = "TwitterQuery", properties = {
1.80 - @Property(array = true, name = "results", type = Twt.class)
1.81 - })
1.82 - public static final class TwttrQr {
1.83 - }
1.84 -
1.85 - @OnReceive(url="{root}/search.json?{query}&callback={me}", jsonp="me")
1.86 - static void queryTweets(TwitterModel page, TwitterQuery q) {
1.87 - page.getCurrentTweets().clear();
1.88 - page.getCurrentTweets().addAll(q.getResults());
1.89 - }
1.90 -
1.91 - @OnPropertyChange("activeTweetersName")
1.92 - static void changeTweetersList(TwitterModel model) {
1.93 - Tweeters people = findByName(model.getSavedLists(), model.getActiveTweetersName());
1.94 - model.getActiveTweeters().clear();
1.95 - model.getActiveTweeters().addAll(people.getUserNames());
1.96 - }
1.97 -
1.98 - @OnPropertyChange({ "activeTweeters", "activeTweetersCount" })
1.99 - static void refreshTweets(TwitterModel model) {
1.100 - StringBuilder sb = new StringBuilder();
1.101 - sb.append("rpp=25&q=");
1.102 - String sep = "";
1.103 - for (String p : model.getActiveTweeters()) {
1.104 - sb.append(sep);
1.105 - sb.append("from:");
1.106 - sb.append(p);
1.107 - sep = " OR ";
1.108 - }
1.109 - model.queryTweets("http://search.twitter.com", sb.toString());
1.110 - }
1.111 -
1.112 - static {
1.113 - final TwitterModel model = new TwitterModel();
1.114 - final List<Tweeters> svdLst = model.getSavedLists();
1.115 - svdLst.add(newTweeters("API Design", "JaroslavTulach"));
1.116 - svdLst.add(newTweeters("Celebrities", "JohnCleese", "MCHammer", "StephenFry", "algore", "StevenSanderson"));
1.117 - svdLst.add(newTweeters("Microsoft people", "BillGates", "shanselman", "ScottGu"));
1.118 - svdLst.add(newTweeters("NetBeans", "GeertjanW","monacotoni", "NetBeans", "petrjiricka"));
1.119 - svdLst.add(newTweeters("Tech pundits", "Scobleizer", "LeoLaporte", "techcrunch", "BoingBoing", "timoreilly", "codinghorror"));
1.120 -
1.121 - model.setActiveTweetersName("NetBeans");
1.122 -
1.123 - model.applyBindings();
1.124 - }
1.125 -
1.126 - @ComputedProperty
1.127 - static boolean hasUnsavedChanges(List<String> activeTweeters, List<Tweeters> savedLists, String activeTweetersName) {
1.128 - Tweeters tw = findByName(savedLists, activeTweetersName);
1.129 - if (activeTweeters == null) {
1.130 - return false;
1.131 - }
1.132 - return !tw.getUserNames().equals(activeTweeters);
1.133 - }
1.134 -
1.135 - @ComputedProperty
1.136 - static int activeTweetersCount(List<String> activeTweeters) {
1.137 - return activeTweeters.size();
1.138 - }
1.139 -
1.140 - @ComputedProperty
1.141 - static boolean userNameToAddIsValid(
1.142 - String userNameToAdd, String activeTweetersName, List<Tweeters> savedLists, List<String> activeTweeters
1.143 - ) {
1.144 - return userNameToAdd != null &&
1.145 - userNameToAdd.matches("[a-zA-Z0-9_]{1,15}") &&
1.146 - !activeTweeters.contains(userNameToAdd);
1.147 - }
1.148 -
1.149 - @OnFunction
1.150 - static void deleteList(TwitterModel model) {
1.151 - final List<Tweeters> sl = model.getSavedLists();
1.152 - sl.remove(findByName(sl, model.getActiveTweetersName()));
1.153 - if (sl.isEmpty()) {
1.154 - final Tweeters t = new Tweeters();
1.155 - t.setName("New");
1.156 - sl.add(t);
1.157 - }
1.158 - model.setActiveTweetersName(sl.get(0).getName());
1.159 - }
1.160 -
1.161 - @OnFunction
1.162 - static void saveChanges(TwitterModel model) {
1.163 - Tweeters t = findByName(model.getSavedLists(), model.getActiveTweetersName());
1.164 - int indx = model.getSavedLists().indexOf(t);
1.165 - if (indx != -1) {
1.166 - t.setName(model.getActiveTweetersName());
1.167 - t.getUserNames().clear();
1.168 - t.getUserNames().addAll(model.getActiveTweeters());
1.169 - }
1.170 - }
1.171 -
1.172 - @OnFunction
1.173 - static void addUser(TwitterModel model) {
1.174 - String n = model.getUserNameToAdd();
1.175 - model.getActiveTweeters().add(n);
1.176 - }
1.177 - @OnFunction
1.178 - static void removeUser(String data, TwitterModel model) {
1.179 - model.getActiveTweeters().remove(data);
1.180 - }
1.181 -
1.182 - private static Tweeters findByName(List<Tweeters> list, String name) {
1.183 - for (Tweeters l : list) {
1.184 - if (l.getName() != null && l.getName().equals(name)) {
1.185 - return l;
1.186 - }
1.187 - }
1.188 - return list.isEmpty() ? new Tweeters() : list.get(0);
1.189 - }
1.190 -
1.191 - private static Tweeters newTweeters(String listName, String... userNames) {
1.192 - Tweeters t = new Tweeters();
1.193 - t.setName(listName);
1.194 - t.getUserNames().addAll(Arrays.asList(userNames));
1.195 - return t;
1.196 - }
1.197 -}