kimi
2021-02-18 749a5510a9f014446a3cd6ba57b3cb0cc8148dc1
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/*
 * Copyright (c) 2020 WildFireChat. All rights reserved.
 */
 
package cn.wildfire.chat.kit.contact;
 
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;
import androidx.annotation.Nullable;
import androidx.lifecycle.ViewModelProviders;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import butterknife.BindView;
import butterknife.ButterKnife;
import cn.wildfire.chat.kit.R;
import cn.wildfire.chat.kit.R2;
import cn.wildfire.chat.kit.contact.model.FooterValue;
import cn.wildfire.chat.kit.contact.model.HeaderValue;
import cn.wildfire.chat.kit.contact.model.UIUserInfo;
import cn.wildfire.chat.kit.contact.viewholder.footer.FooterViewHolder;
import cn.wildfire.chat.kit.contact.viewholder.header.HeaderViewHolder;
import cn.wildfire.chat.kit.widget.ProgressFragment;
import cn.wildfire.chat.kit.widget.QuickIndexBar;
 
import java.util.List;
 
public abstract class BaseUserListFragment extends ProgressFragment implements QuickIndexBar.OnLetterUpdateListener, UserListAdapter.OnUserClickListener, UserListAdapter.OnHeaderClickListener, UserListAdapter.OnFooterClickListener {
 
    @BindView(R2.id.usersRecyclerView)
    RecyclerView usersRecyclerView;
    @BindView(R2.id.quickIndexBar)
    QuickIndexBar quickIndexBar;
    @BindView(R2.id.indexLetterTextView)
    TextView indexLetterTextView;
 
    protected UserListAdapter userListAdapter;
 
    private LinearLayoutManager linearLayoutManager;
    protected ContactViewModel contactViewModel;
    private boolean showQuickIndexBar;
 
    @Override
    public void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        contactViewModel = ViewModelProviders.of(getActivity()).get(ContactViewModel.class);
    }
 
    @Override
    protected int contentLayout() {
        return getContentLayoutResId();
    }
 
    @Override
    protected void afterViews(View view) {
        ButterKnife.bind(this, view);
        initView();
    }
 
    public void showUserListVisiable(boolean visiable) {
        if (visiable) {
            usersRecyclerView.setVisibility(View.VISIBLE);
        } else {
            usersRecyclerView.setVisibility(View.GONE);
        }
    }
 
    private void initView() {
 
        userListAdapter = onCreateUserListAdapter();
        userListAdapter.setOnUserClickListener(this);
        userListAdapter.setOnHeaderClickListener(this);
        userListAdapter.setOnFooterClickListener(this);
 
        initHeaderViewHolders();
        initFooterViewHolders();
 
        usersRecyclerView.setAdapter(userListAdapter);
        linearLayoutManager = new LinearLayoutManager(getActivity());
        usersRecyclerView.setLayoutManager(linearLayoutManager);
 
        if (showQuickIndexBar) {
            quickIndexBar.setVisibility(View.VISIBLE);
            quickIndexBar.setOnLetterUpdateListener(this);
        } else {
            quickIndexBar.setVisibility(View.GONE);
        }
    }
 
    public void initHeaderViewHolders() {
        // no header
    }
 
    public void initFooterViewHolders() {
        // no footer
    }
 
    /**
     * 一定要包含一个id为contactRecyclerView的RecyclerView
     *
     * @return
     */
    protected int getContentLayoutResId() {
        return R.layout.contact_contacts_fragment;
    }
 
    /**
     * the data for this userListAdapter should be set here
     *
     * @return
     */
    protected UserListAdapter onCreateUserListAdapter() {
        userListAdapter = new UserListAdapter(this);
        return userListAdapter;
    }
 
    protected void addHeaderViewHolder(Class<? extends HeaderViewHolder> clazz, int layoutResId, HeaderValue value) {
        userListAdapter.addHeaderViewHolder(clazz, layoutResId, value);
        // to do notify header changed
    }
 
    protected void addFooterViewHolder(Class<? extends FooterViewHolder> clazz, int layoutResId, FooterValue value) {
        userListAdapter.addFooterViewHolder(clazz, layoutResId, value);
    }
 
    @Override
    public void onLetterUpdate(String letter) {
        indexLetterTextView.setVisibility(View.VISIBLE);
        indexLetterTextView.setText(letter);
 
        List<UIUserInfo> data = userListAdapter.getUsers();
        if(data == null || data.isEmpty()){
            return;
        }
 
        if ("↑".equalsIgnoreCase(letter)) {
            linearLayoutManager.scrollToPositionWithOffset(0, 0);
        } else if ("☆".equalsIgnoreCase(letter)) {
            linearLayoutManager.scrollToPositionWithOffset(userListAdapter.headerCount(), 0);
        } else if ("#".equalsIgnoreCase(letter)) {
            for (int i = 0; i < data.size(); i++) {
                UIUserInfo friend = data.get(i);
                if (friend.getCategory().equals("#")) {
                    linearLayoutManager.scrollToPositionWithOffset(userListAdapter.headerCount() + i, 0);
                    break;
                }
            }
        } else {
            for (int i = 0; i < data.size(); i++) {
                UIUserInfo friend = data.get(i);
                if (friend.getCategory().compareTo(letter) >= 0) {
                    linearLayoutManager.scrollToPositionWithOffset(i + userListAdapter.headerCount(), 0);
                    break;
                }
            }
        }
    }
 
    @Override
    public void onLetterCancel() {
        indexLetterTextView.setVisibility(View.GONE);
    }
 
    /**
     * 是否显示快速导航条
     *
     * @param show
     */
    public void showQuickIndexBar(boolean show) {
        this.showQuickIndexBar = show;
        if (quickIndexBar != null) {
            quickIndexBar.setVisibility(show ? View.VISIBLE : View.GONE);
            quickIndexBar.setOnLetterUpdateListener(this);
            quickIndexBar.invalidate();
        }
    }
 
    @Override
    public void onUserClick(UIUserInfo userInfo) {
 
    }
 
    @Override
    public void onHeaderClick(int index) {
 
    }
 
    @Override
    public void onFooterClick(int index) {
 
    }
}