pocketcommunityclient/app/src/main/java/com/community/pocket/ui/main/ui/visitor/appointment/VisitorAppointmentFragment.java

package com.community.pocket.ui.main.ui.visitor.appointment;

import android.os.Build;
import android.os.Bundle;
import android.text.Editable;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Spinner;
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.VisitorAdpter;
import com.community.pocket.ui.BaseFragment;
import com.community.pocket.ui.listener.MyTextChange;
import com.community.pocket.ui.main.ui.share.MyAutoCompleteTextView;
import com.community.pocket.ui.main.ui.share.ShowWordCount;
import com.community.pocket.ui.main.ui.visitor.VisitorFragment;
import com.community.pocket.util.PropertiesUtil;

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

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.List;
import java.util.Map;
import java.util.Objects;

/**
 * 访客预约界面
 */
@ContentView(R.layout.visitor_appointment_fragment)
public class VisitorAppointmentFragment extends BaseFragment {

    //搜索预约住户
    @ViewInject(R.id.appointment)
    private AutoCompleteTextView appointment;

    //预约时间
    @ViewInject(R.id.choose_time)
    private Spinner chooseTime;

    //备注信息
    @ViewInject(R.id.notes)
    private EditText notes;

    //提交按钮
    @ViewInject(R.id.submit)
    private Button submit;

    private VisitorViewModel appointmentViewModel;

    //动态更新搜索框数据源
    private MyAutoCompleteTextView myAutoCompleteTextView;

    //预约人数据呀
    private VisitorAdpter visitorAdpter;
    //预约时间数据
    private ArrayAdapter<String> timeAdpter;

    @RequiresApi(api = Build.VERSION_CODES.KITKAT)
    @Override
    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        ShowWordCount showWordCount = new ShowWordCount(new int[]{R.id.show_word_top, R.id.show_word_bottom}, R.id.notes, view);
        showWordCount.showCount();

        appointmentViewModel = new ViewModelProvider(this, new VisitorAppointmentFactory()).get(VisitorViewModel.class);

        myAutoCompleteTextView = new MyAutoCompleteTextView(appointment, appointmentViewModel);

        //监听访客预约表单校验状态
        appointmentViewModel.getVisitorFormState().observe(getViewLifecycleOwner(), new Observer<VisitorFormState>() {
            @Override
            public void onChanged(VisitorFormState visitorFormState) {
                if (visitorFormState == null) {
                    return;
                }
                submit.setEnabled(visitorFormState.isDataValid());
                if (visitorFormState.getAppointmentError() != null) {
                    appointment.setError(getString(visitorFormState.getAppointmentError(), PropertiesUtil.getIntValue("username.length")));
                }

                if (visitorFormState.getNotesError() != null) {
                    notes.setError(getString(visitorFormState.getNotesError()));
                }
            }
        });

        //监听预约请求结果
        appointmentViewModel.getVisitorResponse().observe(getViewLifecycleOwner(), new Observer<VisitorResponse>() {
            @Override
            public void onChanged(VisitorResponse visitorResponse) {
                if (visitorResponse == null) {
                    return;
                }

                if (visitorResponse.getSuccess() != null) {
                    Toast.makeText(getContext(), visitorResponse.getSuccess(), Toast.LENGTH_LONG).show();

                    VisitorFragment visitorFragment = getParentFragment(2);
                    Button button = Objects.requireNonNull(visitorFragment.getView()).findViewById(R.id.visitor_reservation);
                    try {
                        Method method = VisitorFragment.class.getDeclaredMethod("my", View.class);
                        method.setAccessible(true);
                        method.invoke(visitorFragment, button);
                    } catch (NoSuchMethodException e) {
                        e.printStackTrace();
                    } catch (IllegalAccessException e) {
                        e.printStackTrace();
                    } catch (InvocationTargetException e) {
                        e.printStackTrace();
                    }
                }
                if (visitorResponse.getError() != null) {
                    Toast.makeText(getContext(), visitorResponse.getError(), Toast.LENGTH_LONG).show();
                }
            }
        });

        //检索预约人请求结果
        appointmentViewModel.getSearchPeopleReq().observe(getViewLifecycleOwner(), new Observer<VisitorResponse<Map<String, List<String>>>>() {
            @Override
            public void onChanged(VisitorResponse<Map<String, List<String>>> visitorResponse) {
                if (visitorResponse == null) {
                    return;
                }

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

                if (visitorResponse.getError() != null) {
                    Toast.makeText(getContext(), visitorResponse.getError(), Toast.LENGTH_LONG).show();
                }
            }
        });

        appointment.addTextChangedListener(new MyTextChange() {


            @Override
            public void afterTextChanged(Editable s) {
                if (timeAdpter != null) {
                    timeAdpter.clear();
                }
                if (s.toString().equals(appointment.getTag(R.string.visitor_tag))) {
                    return;
                }
                if (visitorAdpter != null && visitorAdpter.containsKey(s.toString())) {
                    appointmentViewModel.appointmentDataChanged(appointment.getText(), notes.getText());
                    initTime(s);
                }
                appointment.setTag(R.string.visitor_tag, s.toString());

                myAutoCompleteTextView.searchHandler();
            }
        });

        notes.addTextChangedListener(new MyTextChange() {
            @Override
            public void afterTextChanged(Editable s) {
                appointmentViewModel.appointmentDataChanged(appointment.getText(), notes.getText());
            }
        });

    }


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

    @RequiresApi(api = Build.VERSION_CODES.KITKAT)
    private void initTime(Editable e) {
        if (timeAdpter == null) {
            timeAdpter = new ArrayAdapter<>(Objects.requireNonNull(getContext()), android.R.layout.simple_list_item_1, visitorAdpter.getTime(e.toString()));
            chooseTime.setAdapter(timeAdpter);
        } else {
            timeAdpter.clear();
            timeAdpter.addAll(visitorAdpter.getTime(e.toString()));
        }
    }

    /**
     * 提交预约信息
     */
    @Event(value = R.id.submit)
    private void submit(View view) {
        appointmentViewModel.appointment(appointment.getText().toString(), chooseTime.getSelectedItem().toString(), notes.getText().toString());
    }

}