pocketcommunityclient/app/src/main/java/com/community/pocket/ui/main/ui/forum/post/ForumPostComplainFragment.java

package com.community.pocket.ui.main.ui.forum.post;

import android.os.Build;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.View;
import android.widget.AutoCompleteTextView;
import android.widget.Toast;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.RequiresApi;
import androidx.lifecycle.Observer;
import androidx.lifecycle.ViewModelProvider;

import com.community.pocket.R;
import com.community.pocket.data.adapter.ForumSearchAdapter;
import com.community.pocket.ui.listener.MyTextChange;
import com.community.pocket.ui.main.ui.share.MyAutoCompleteTextView;
import com.community.pocket.util.PropertiesUtil;

import org.xutils.view.annotation.ContentView;
import org.xutils.view.annotation.ViewInject;

import java.util.List;
import java.util.Objects;

/**
 * 投诉贴
 */
@ContentView(R.layout.forum_post_complain_fragment)
public class ForumPostComplainFragment extends ForumPostContent {


    /**
     * 检索投诉人
     */
    @ViewInject(R.id.search_name)
    private AutoCompleteTextView searchName;

    //投诉人列表
    private ForumSearchAdapter nameList;

    private ForumPostComplainViewModel viewModel;

    private MyAutoCompleteTextView myAutoCompleteTextView;

    @RequiresApi(api = Build.VERSION_CODES.KITKAT)
    @Override
    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);

        viewModel = new ViewModelProvider(this, new ForumPostViewModelFactory()).get(ForumPostComplainViewModel.class);

        myAutoCompleteTextView = new MyAutoCompleteTextView(searchName, viewModel);

        //监听表单校验状态
        viewModel.getForumPostFormState().observe(getViewLifecycleOwner(), new Observer<ForumPostFormState.Complain>() {
            @Override
            public void onChanged(ForumPostFormState.Complain complain) {
                if (complain == null) {
                    return;
                }
                if (complain.getTitleError() != null) {
                    postTitle.setError(getString(complain.getTitleError()));
                }
                if (complain.getContentError() != null) {
                    postContent.setError(getString(complain.getContentError()));
                }
                if (complain.getComplainError() != null) {
                    searchName.setError(getString(complain.getComplainError(), PropertiesUtil.getIntValue("username.length")));
                }

                postButton.setEnabled(complain.isDataValid());
            }
        });

        //监听发帖状态
        sendPost(viewModel);

        viewModel.getSearchPeople().observe(getViewLifecycleOwner(), new Observer<ForumPostResponse<List<String>>>() {
            @Override
            public void onChanged(ForumPostResponse<List<String>> listForumPostResponse) {
                if (listForumPostResponse == null) {
                    return;
                }

                if (listForumPostResponse.getSuccess() != null) {
                    initSearch(listForumPostResponse.getBody());
                }

                if (listForumPostResponse.getError() != null) {
                    Toast.makeText(getContext(), R.string.forum_search_people_fail, Toast.LENGTH_LONG).show();
                }
            }
        });

        searchName.addTextChangedListener(new MyTextChange() {
            @Override
            public void afterTextChanged(Editable s) {
                if (nameList != null && nameList.containsKey(s.toString())) {
                    viewModel.complainDataChanged(postTitle.getText().toString(), postContent.getText().toString(), searchName.getText().toString());
                }

                myAutoCompleteTextView.searchHandler();
            }
        });

        TextWatcher textWatcher = new MyTextChange() {
            @Override
            public void afterTextChanged(Editable s) {
                viewModel.complainDataChanged(postTitle.getText().toString(), postContent.getText().toString(), searchName.getText().toString());
            }
        };
        postTitle.addTextChangedListener(textWatcher);
        postContent.addTextChangedListener(textWatcher);

        //发帖操作
        postButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                viewModel.sendComplain(postTitle.getText().toString(), postContent.getText().toString(), searchName.getText().toString());
            }
        });
    }

    /**
     * 搜索框
     */
    @RequiresApi(api = Build.VERSION_CODES.KITKAT)
    private void initSearch(List<String> stringList) {
        // 设置适配器
        if (nameList == null) {
            nameList = new ForumSearchAdapter(Objects.requireNonNull(getContext()), stringList);
            // 将适配器与当前AutoCompleteTextView控件绑定
            searchName.setAdapter(nameList);
        } else {
            nameList.addAll(stringList);
        }
        myAutoCompleteTextView.refreshDropList();
    }
}