/*
* The MIT License (MIT)
*
* Copyright (c) 2014-2015 Umeng, Inc
*
* 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 com.umeng.comm.ui.fragments;
import java.util.ArrayList;
import java.util.List;
import android.content.Intent;
import android.os.Bundle;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.RecyclerView.OnScrollListener;
import android.text.TextUtils;
import android.view.KeyEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup.LayoutParams;
import android.view.animation.AlphaAnimation;
import android.view.animation.LayoutAnimationController;
import android.view.inputmethod.EditorInfo;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.TextView.OnEditorActionListener;
import com.activeandroid.util.Log;
import com.umeng.comm.core.beans.CommUser;
import com.umeng.comm.core.constants.Constants;
import com.umeng.comm.core.constants.ErrorCode;
import com.umeng.comm.core.constants.HttpProtocol;
import com.umeng.comm.core.listeners.Listeners;
import com.umeng.comm.core.listeners.Listeners.SimpleFetchListener;
import com.umeng.comm.core.nets.responses.LoginResponse;
import com.umeng.comm.core.utils.CommonUtils;
import com.umeng.comm.core.utils.ResFinder;
import com.umeng.comm.core.utils.ToastMsg;
import com.umeng.comm.ui.activities.RelativeUserActivity;
import com.umeng.comm.ui.activities.SearchActivity;
import com.umeng.comm.ui.adapters.SearchUsersAdapter;
import com.umeng.comm.ui.mvpview.MvpSearchFgView;
import com.umeng.comm.ui.presenter.impl.SearchPresenter;
import com.umeng.comm.ui.widgets.EmptyView;
/**
* 搜索Fragment
*/
public class SearchFragment extends FeedListFragment<SearchPresenter> implements
OnClickListener, MvpSearchFgView {
private RecyclerView mRecyclerView;
private View mMoreView;
private SearchUsersAdapter mAdapter;
private EmptyView mUserEmptyView;
private EmptyView mFeedEmptyView;
private EditText mSearchEditText;
private LinearLayoutManager mLinearLayoutManager;
@Override
protected int getFragmentLayout() {
return ResFinder.getLayout("umeng_comm_search");
}
@Override
protected SearchPresenter createPresenters() {
return new SearchPresenter(this);
}
@Override
protected void initViews() {
super.initViews();
mRecyclerView = (RecyclerView) mRootView.findViewById(ResFinder
.getId("umeng_comm_relative_user_recyclerView"));
mAdapter = new SearchUsersAdapter(getActivity());
mAdapter.getDataSource().clear();
mLinearLayoutManager = new LinearLayoutManager(getActivity());
mLinearLayoutManager.setOrientation(LinearLayoutManager.HORIZONTAL);
mRecyclerView.setLayoutManager(mLinearLayoutManager);
mRecyclerView.setHasFixedSize(true);
mRecyclerView.setAdapter(mAdapter);
mMoreView = mRootView.findViewById(ResFinder.getId("search_more_img_view"));
mMoreView.setOnClickListener(this);
// 隐藏发送按钮
mPostBtn.setVisibility(View.GONE);
showRelativeUserView(null);
mRootView.findViewById(ResFinder.getId("umeng_comm_back")).setOnClickListener(this);
// TODO 比较合理的方式先检测输入是否为空，接着再检查是否登录。此时需要将两个回调单独成成员变量，
//避免复用，并借助View.performClick()方法实现
mRootView.findViewById(ResFinder.getId("umeng_comm_topic_search")).setOnClickListener(
new Listeners.LoginOnViewClickListener() {
@Override
protected void doAfterLogin(View v) {
String keyword = mSearchEditText.getText().toString().trim();
if (TextUtils.isEmpty(keyword)) {
ToastMsg.showShortMsgByResName("umeng_comm_topic_search_no_keyword");
return;
}
((SearchPresenter) mPresenter).executeSearch(mSearchEditText
.getText().toString());
}
});
mSearchEditText = (EditText) mRootView.findViewById(ResFinder
.getId("umeng_comm_topic_edittext"));
mSearchEditText.setHint(ResFinder.getString("umeng_comm_search_content"));
mSearchEditText.requestFocus();
// showInputMethod();
mUserEmptyView = (EmptyView) mRootView.findViewById(ResFinder
.getId("umeng_comm_user_empty"));
mUserEmptyView.setShowText("umeng_comm_no_search_user");
mFeedEmptyView = (EmptyView) mRootView.findViewById(ResFinder
.getId("umeng_comm_feed_empty"));
mFeedEmptyView.setShowText("umeng_comm_no_search_feed");
mSearchEditText.setOnEditorActionListener(new OnEditorActionListener() {
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
if (actionId != EditorInfo.IME_ACTION_GO
&& actionId != EditorInfo.IME_ACTION_SEARCH) {
return false;
}
final String text = mSearchEditText.getText().toString();
if (TextUtils.isEmpty(text)) {
ToastMsg.showShortMsgByResName("umeng_comm_search_content");
return false;
}
CommonUtils.checkLoginAndFireCallback(getActivity(),
new SimpleFetchListener<LoginResponse>() {
@Override
public void onComplete(LoginResponse response) {
if (response.errCode == ErrorCode.NO_ERROR) {
((SearchPresenter) mPresenter).executeSearch(text);
} else {
Log.d("", "### login failed...");
}
}
});
return false;
}
});
showInputMethod();
mRefreshLayout.setEnabled(false);
}
@Override
protected void onBaseResumeDeal() {
}
@Override
protected void registerBroadcast() {
}
/**
* 添加相关用户显示</br>
*
* @param users
*/
@Override
public void showRelativeUserView(List<CommUser> users) {
mAdapter.getDataSource().clear();
if (users == null || users.size() == 0) {
mMoreView.setVisibility(View.GONE);
// invalidate
mAdapter.notifyDataSetChanged();
return;
}
int itemWidth = mAdapter.computeWidth();
LayoutParams params = mRecyclerView.getLayoutParams();
if (users.size() > 4) {
mMoreView.setVisibility(View.VISIBLE);
params.width = (SearchUsersAdapter.MAX_SHOW_NUM - 1) * itemWidth;
} else {
params.width = users.size() * itemWidth;
mMoreView.setVisibility(View.GONE);
}
mRecyclerView.setLayoutParams(params);
mRecyclerView.invalidate();
mAdapter.getDataSource().addAll(users);
mAdapter.notifyDataSetChanged();
AlphaAnimation alphaAnimation = new AlphaAnimation(0, 1);
alphaAnimation.setDuration(400);
alphaAnimation.setFillAfter(true);
LayoutAnimationController layoutAnimationController = new LayoutAnimationController(
alphaAnimation, 0.4f);
mRecyclerView.setLayoutAnimation(layoutAnimationController);
mRecyclerView.setOnScrollListener(new OnScrollListener() {
@Override
public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
int visibleItemCount = mLinearLayoutManager.getChildCount();
int totalItemCount = mLinearLayoutManager.getItemCount();
int pastVisiblesItems = mLinearLayoutManager.findFirstVisibleItemPosition();
if ((visibleItemCount + pastVisiblesItems) >= totalItemCount) {
((SearchPresenter) mPresenter).loadMoreUser();
}
}
});
}
@Override
public void onPause() {
hideInputMethod();
super.onPause();
}
/**
* 隐藏输入法</br>
*/
@Override
public void hideInputMethod() {
((SearchActivity) getActivity()).hideInputMethod(mSearchEditText);
}
/**
* 显示输入法</br>
*/
private void showInputMethod() {
((SearchActivity) getActivity()).showInputMethod(mSearchEditText);
}
@Override
public void onClick(View v) {
int id = v.getId();
if (id == ResFinder.getId("umeng_comm_back")) {// 返回事件
hideInputMethod();
getActivity().finish();
} else if (id == mMoreView.getId()) {// 点击更多按钮
// 跳转到相关用户页面
Intent intent = new Intent(getActivity(), RelativeUserActivity.class);
Bundle bundle = new Bundle();
ArrayList<CommUser> users = new ArrayList<CommUser>(mAdapter.getDataSource());
bundle.putParcelableArrayList(Constants.TAG_USERS, users);
String nextUrl = ((SearchPresenter) mPresenter).getUserNextUrl();
bundle.putString(HttpProtocol.NAVIGATOR_KEY, nextUrl);
intent.putExtras(bundle);
getActivity().startActivity(intent);
}
}
@Override
public void onRefreshStart() {
mRefreshLayout.setLoading(true);
}
@Override
public void onRefreshEnd() {
mRefreshLayout.setLoading(false);
}
@Override
public List<CommUser> getUserDataSource() {
return mAdapter.getDataSource();
}
@Override
public void notifyDataSetChanged() {
mAdapter.notifyDataSetChanged();
mFeedLvAdapter.notifyDataSetChanged();
}
@Override
public void showFeedEmptyView() {
mFeedEmptyView.show();
}
@Override
public void hideFeedEmptyView() {
mFeedEmptyView.hide();
}
@Override
public void showUserEmptyView() {
mUserEmptyView.show();
}
@Override
public void hideUserEmptyView() {
mUserEmptyView.hide();
}
@Override
public void clearListView() {
super.clearListView();
mAdapter.getDataSource().clear();
mAdapter.notifyDataSetChanged();
}
}