2024/4/28

package com.example.personalwork

import android.view.View
import androidx.constraintlayout.widget.ConstraintLayout
import androidx.databinding.BindingAdapter
import androidx.lifecycle.MutableLiveData
import androidx.navigation.findNavController
import com.example.personalwork.data.models.DaySum
import com.example.personalwork.fragment.bottom.ContactFragmentDirections
import com.example.personalwork.fragment.list.studentListFragmentDirections
import com.google.android.material.floatingactionbutton.FloatingActionButton

class BindingAdapters {

    companion object{
      @BindingAdapter("android:navigateToAddFragment")
        @JvmStatic
       fun navigateToAddFragment(view: FloatingActionButton, navigate: Boolean){
           view.setOnClickListener{
               if(navigate){
                   view.findNavController().navigate(R.id.action_contactFragment_to_addFragment)
                }
            }
       }

        @BindingAdapter("android:emptyDatabase")
        @JvmStatic
        fun emptyDatabase(view:View,emptyDatabase: MutableLiveData<Boolean>){
            when(emptyDatabase.value){
                true -> view.visibility = View.VISIBLE
                false -> view.visibility = View.INVISIBLE
                else -> {}
            }
        }

        @BindingAdapter("android:sendDataToUpdateFragment")
        @JvmStatic
        fun sendDataToUpdateFragment(view: ConstraintLayout,currentItem: DaySum){
            view.setOnClickListener{
                val action = ContactFragmentDirections.actionContactFragmentToUpdateFragment(currentItem)
                view.findNavController().navigate(action)
            }
        }
   }
}

package com.example.personalwork

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import androidx.navigation.findNavController
import androidx.navigation.fragment.NavHostFragment
import androidx.navigation.ui.setupActionBarWithNavController

class MainActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        //find nav.xml from activity_main.xml
        val navHostFragment = supportFragmentManager.findFragmentById(R.id.navHostFragment) as NavHostFragment
        val navController =navHostFragment.navController
        setupActionBarWithNavController(navController)
    }


    override fun onSupportNavigateUp(): Boolean {
        val navController = findNavController(R.id.navHostFragment)
        return navController.navigateUp() || super.onSupportNavigateUp()
    }

}

package com.example.personalwork

import android.content.Context
import android.content.SharedPreferences
import android.os.Bundle
import android.view.*
import android.widget.Toast
import androidx.fragment.app.Fragment
import androidx.lifecycle.lifecycleScope
import com.example.personalwork.R
import com.example.personalwork.data.models.Week
import com.example.personalwork.databinding.FragmentUpgrament2Binding
import com.example.personalwork.utils.ApiClient
import kotlinx.coroutines.launch


class Upgrament2Fragment : Fragment() {
    var _binding : FragmentUpgrament2Binding? = null
    val binding get() = _binding!!

    override fun onCreateView(
        inflater: LayoutInflater, container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View? {
      _binding = FragmentUpgrament2Binding.inflate(inflater,container,false)
        init()
        setHasOptionsMenu(true)
        return binding.root
    }

    fun init(){
        val week = readUserDataFromSharedPreferences(requireContext())
        binding.textView.setText(week.title)
        binding.textStart.setText(week.starttime)
        binding.textFinal.setText(week.finaltime)
        binding.textAming.setText(week.aming.toString())
        binding.editTextTextMultiLine.setText(week.description)
    }

    override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
        inflater.inflate(R.menu.update_fragment_menu,menu)
    }

    override fun onOptionsItemSelected(item: MenuItem): Boolean{
        when(item.itemId){
            R.id.menu_save -> updateItem()
            R.id.menu_delete -> deleteItem()
        }
        return super.onOptionsItemSelected(item)
    }

    private fun deleteItem() {
        val id = requireid(requireContext());
        lifecycleScope.launch{
            try {
                val deleteResponse = ApiClient.apiService.deleteWeek(id)
                val result = deleteResponse.body()
                if (result!=null){
                    Toast.makeText(requireContext(),"删除成功", Toast.LENGTH_SHORT).show()
                }else{
                    Toast.makeText(requireContext(),"删除失败", Toast.LENGTH_SHORT).show()
                }
            }catch (e:Exception){
                e.printStackTrace()
            }
        }
    }

    private fun updateItem() {
       val week = newWeek(requireContext())
        lifecycleScope.launch {
            try {
                val updateResponse = ApiClient.apiService.updateWeek(week)
                val result = updateResponse.body()
                if(result != null){
                    Toast.makeText(requireContext(),"修改成功", Toast.LENGTH_SHORT).show()
                }else{
                    Toast.makeText(requireContext(),"修改失败", Toast.LENGTH_SHORT).show()
                }
            }catch (e:Exception){
                e.printStackTrace()
            }
        }
    }

    fun readUserDataFromSharedPreferences(context: Context): Week {
        val sharedPreferences: SharedPreferences = context.getSharedPreferences("Week", Context.MODE_PRIVATE)
        val id = sharedPreferences.getInt("id",0)
        val useId =sharedPreferences.getInt("userId",0)
        val title = sharedPreferences.getString("title","")
        val description = sharedPreferences.getString("description","")
        val starttime = sharedPreferences.getString("startTime","")
        val finaltime = sharedPreferences.getString("finalTime","")
        val aming = sharedPreferences.getInt("aming",0)
        val accomplish = sharedPreferences.getInt("accomplish",0)
        return Week(id,useId,title?:"",description?:"",starttime?:"",finaltime?:"",aming,accomplish)
    }

    fun newWeek(context: Context):Week{
        val sharedPreferences: SharedPreferences = context.getSharedPreferences("Week", Context.MODE_PRIVATE)
        val id = sharedPreferences.getInt("id",0)
        val useId =sharedPreferences.getInt("userId",0)
        val accomplish = sharedPreferences.getInt("accomplish",0)
        val title = binding.textView.text.toString()
        val start = binding.textStart.text.toString()
        val final = binding.textFinal.text.toString()
        val description = binding.editTextTextMultiLine.text.toString()
        val aming = binding.textAming.text.toString().toInt()
        return  Week(id,useId,title,description,start,final,aming,accomplish)
    }

    fun requireid(context: Context): Int{
        val sharedPreferences: SharedPreferences = context.getSharedPreferences("Week", Context.MODE_PRIVATE)
        val id = sharedPreferences.getInt("id",0)
        return  id;
    }

    override fun onDestroy() {
        super.onDestroy()
        _binding=null;
    }
}