Java tutorial
/* * The MIT License (MIT) * * Copyright (c) 2012-2014 lacolaco.net * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package net.lacolaco.smileessence.view; import android.content.DialogInterface; import android.os.Bundle; import android.text.TextUtils; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ImageButton; import android.widget.ListView; import android.widget.TextView; import com.handmark.pulltorefresh.library.PullToRefreshBase; import com.handmark.pulltorefresh.library.PullToRefreshListView; import net.lacolaco.smileessence.R; import net.lacolaco.smileessence.activity.MainActivity; import net.lacolaco.smileessence.entity.Account; import net.lacolaco.smileessence.notification.Notificator; import net.lacolaco.smileessence.twitter.StatusFilter; import net.lacolaco.smileessence.twitter.TwitterApi; import net.lacolaco.smileessence.twitter.task.UserListStatusesTask; import net.lacolaco.smileessence.twitter.util.TwitterUtils; import net.lacolaco.smileessence.util.UIHandler; import net.lacolaco.smileessence.view.dialog.DialogHelper; import net.lacolaco.smileessence.view.dialog.SelectUserListDialogFragment; import net.lacolaco.smileessence.viewmodel.StatusViewModel; import net.lacolaco.smileessence.viewmodel.UserListListAdapter; import twitter4j.Paging; import twitter4j.Twitter; public class UserListFragment extends CustomListFragment implements View.OnClickListener { // ------------------------------ FIELDS ------------------------------ private TextView textListName; // --------------------- GETTER / SETTER METHODS --------------------- private MainActivity getMainActivity() { return (MainActivity) getActivity(); } @Override protected PullToRefreshBase.Mode getRefreshMode() { return PullToRefreshBase.Mode.BOTH; } // ------------------------ INTERFACE METHODS ------------------------ // --------------------- Interface OnClickListener --------------------- @Override public void onClick(View v) { int id = v.getId(); switch (id) { case R.id.button_userlist_lists: { openUserListsDialog(getMainActivity()); break; } } } // --------------------- Interface OnRefreshListener2 --------------------- @Override public void onPullDownToRefresh(final PullToRefreshBase<ListView> refreshView) { final MainActivity activity = getMainActivity(); final Account currentAccount = activity.getCurrentAccount(); Twitter twitter = TwitterApi.getTwitter(currentAccount); final UserListListAdapter adapter = getListAdapter(activity); String listFullName = adapter.getListFullName(); if (TextUtils.isEmpty(listFullName)) { new UIHandler() { @Override public void run() { notifyTextEmpty(activity); refreshView.onRefreshComplete(); } }.post(); return; } Paging paging = TwitterUtils.getPaging(TwitterUtils.getPagingCount(activity)); if (adapter.getCount() > 0) { paging.setSinceId(adapter.getTopID()); } new UserListStatusesTask(twitter, listFullName, activity, paging) { @Override protected void onPostExecute(twitter4j.Status[] statuses) { super.onPostExecute(statuses); for (int i = statuses.length - 1; i >= 0; i--) { twitter4j.Status status = statuses[i]; StatusViewModel statusViewModel = new StatusViewModel(status, activity.getCurrentAccount()); adapter.addToTop(statusViewModel); StatusFilter.filter(activity, statusViewModel); } updateListViewWithNotice(refreshView.getRefreshableView(), adapter, true); refreshView.onRefreshComplete(); } }.execute(); } @Override public void onPullUpToRefresh(final PullToRefreshBase<ListView> refreshView) { final MainActivity activity = getMainActivity(); final Account currentAccount = activity.getCurrentAccount(); Twitter twitter = TwitterApi.getTwitter(currentAccount); final UserListListAdapter adapter = getListAdapter(activity); String listFullName = adapter.getListFullName(); if (TextUtils.isEmpty(listFullName)) { new UIHandler() { @Override public void run() { notifyTextEmpty(activity); refreshView.onRefreshComplete(); } }.post(); return; } Paging paging = TwitterUtils.getPaging(TwitterUtils.getPagingCount(activity)); if (adapter.getCount() > 0) { paging.setMaxId(adapter.getLastID() - 1); } new UserListStatusesTask(twitter, listFullName, activity, paging) { @Override protected void onPostExecute(twitter4j.Status[] statuses) { super.onPostExecute(statuses); for (int i = 0; i < statuses.length; i++) { twitter4j.Status status = statuses[i]; StatusViewModel statusViewModel = new StatusViewModel(status, activity.getCurrentAccount()); adapter.addToBottom(statusViewModel); StatusFilter.filter(activity, statusViewModel); } updateListViewWithNotice(refreshView.getRefreshableView(), adapter, false); refreshView.onRefreshComplete(); } }.execute(); } // ------------------------ OVERRIDE METHODS ------------------------ @Override protected PullToRefreshListView getListView(View page) { return (PullToRefreshListView) page.findViewById(R.id.listview_userlist); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View page = inflater.inflate(R.layout.fragment_userlist, container, false); PullToRefreshListView listView = getListView(page); UserListListAdapter adapter = getListAdapter((MainActivity) getActivity()); listView.setAdapter(adapter); listView.setOnScrollListener(this); listView.setOnRefreshListener(this); listView.setMode(getRefreshMode()); ImageButton buttonUserLists = getUserListsButton(page); buttonUserLists.setOnClickListener(this); textListName = getTextListName(page); textListName.setText(adapter.getListFullName()); return page; } private UserListListAdapter getListAdapter(MainActivity activity) { return (UserListListAdapter) getListAdapter(MainActivity.ADAPTER_USERLIST); } private TextView getTextListName(View page) { return (TextView) page.findViewById(R.id.textview_userlist_name); } private ImageButton getUserListsButton(View page) { return (ImageButton) page.findViewById(R.id.button_userlist_lists); } private void notifyTextEmpty(MainActivity activity) { Notificator.publish(activity, R.string.notice_userlist_not_selected); } private void openUserListsDialog(final MainActivity mainActivity) { DialogHelper.showDialog(mainActivity, new SelectUserListDialogFragment() { @Override public void onDismiss(DialogInterface dialog) { super.onDismiss(dialog); textListName.setText(getListAdapter(mainActivity).getListFullName()); } }); } }