package com.example.firstapp.ui.home
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import android.content.BroadcastReceiver
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import android.content.Context
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import android.content.Intent
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import android.content.IntentFilter
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import android.os.Bundle
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import android.view.LayoutInflater
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import android.view.View
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import android.view.ViewGroup
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import android.widget.TextView
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import android.widget.Toast
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import androidx.core.content.ContextCompat
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import androidx.fragment.app.Fragment
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import androidx.lifecycle.ViewModelProvider
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import androidx.recyclerview.widget.LinearLayoutManager
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import com.bumptech.glide.Glide
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import com.example.firstapp.R
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import com.example.firstapp.activity.PickupActivity
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import com.example.firstapp.adapter.ExpressAdapter
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import com.example.firstapp.adapter.FinanceAdapter
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import com.example.firstapp.adapter.CategorySelectorAdapter
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import com.example.firstapp.databinding.FragmentHomeBinding
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import com.example.firstapp.databinding.DialogCategorySelectorBinding
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import com.google.android.material.bottomsheet.BottomSheetDialog
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class HomeFragment : Fragment() {
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private var _binding: FragmentHomeBinding? = null
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// This property is only valid between onCreateView and
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// onDestroyView.
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private val binding get() = _binding!!
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private lateinit var homeViewModel: HomeViewModel
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private lateinit var expressAdapter: ExpressAdapter
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private lateinit var financeAdapter: FinanceAdapter
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private lateinit var incomeAdapter: FinanceAdapter
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private lateinit var flightAdapter: FinanceAdapter
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private lateinit var trainAdapter: FinanceAdapter
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private lateinit var dataUpdateReceiver: BroadcastReceiver
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//onCreateView这个方法创建后被调用，通常是初始化视图组件和观察者
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override fun onCreateView(
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inflater: LayoutInflater,
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container: ViewGroup?,
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savedInstanceState: Bundle?
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): View {
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_binding = FragmentHomeBinding.inflate(inflater, container, false)
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return binding.root
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}
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override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
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super.onViewCreated(view, savedInstanceState)
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homeViewModel = ViewModelProvider(this).get(HomeViewModel::class.java)
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// 假设从某处获取用户ID
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// val userId = getUserId() // 需要实现这个方法
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val userId ="123456"
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homeViewModel.initialize(requireContext(), userId)
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//调用这个方法来设置 RecyclerView用于设置 RecyclerView 的布局和适配器。
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setupRecyclerViews()
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setupTabSwitching()
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//调用这个方法来观察 ViewModel 中的数据变化
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observeViewModelData()
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setupCategorySelector()
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}
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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// 创建广播接收器
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dataUpdateReceiver = object : BroadcastReceiver() {
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override fun onReceive(context: Context, intent: Intent) {
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if (intent.action == "com.example.firstapp.DATA_UPDATED") {
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// 收到数据更新广播时重新加载数据
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homeViewModel.loadExpressData()
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}
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}
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}
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}
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private fun setupRecyclerViews() {
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binding.expressRecycler.apply {
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layoutManager = LinearLayoutManager(context)
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expressAdapter = ExpressAdapter()
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adapter = expressAdapter
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// 设置点击监听
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expressAdapter.setOnPackageClickListener { group, pack ->
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// 跳转到取件页面
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val intent = Intent(requireContext(), PickupActivity::class.java).apply {
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putExtra("station_name", group.stationName)
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putExtra("company", pack.company)
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}
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startActivity(intent)
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}
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}
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// 财务列表
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binding.financeRecycler.apply {
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layoutManager = LinearLayoutManager(context)
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financeAdapter = FinanceAdapter()
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adapter = financeAdapter
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// 设置初始状态 - 添加这行
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binding.financeRecycler.visibility = View.GONE
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// 设置点击监听
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financeAdapter.setOnPackageClickListener { group, pack ->
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// 跳转到取件页面
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val intent = Intent(requireContext(), PickupActivity::class.java).apply {
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putExtra("station_name", group.stationName)
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putExtra("company", pack.company)
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}
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startActivity(intent)
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}
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}
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// 添加新的 RecyclerView
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binding.incomeRecycler.apply {
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layoutManager = LinearLayoutManager(context)
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incomeAdapter = FinanceAdapter()
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adapter = incomeAdapter
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visibility = View.GONE
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}
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binding.flightRecycler.apply {
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layoutManager = LinearLayoutManager(context)
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flightAdapter = FinanceAdapter()
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adapter = flightAdapter
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visibility = View.GONE
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}
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binding.trainRecycler.apply {
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layoutManager = LinearLayoutManager(context)
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trainAdapter = FinanceAdapter()
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adapter = trainAdapter
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visibility = View.GONE
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}
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}
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private fun setupTabSwitching() {
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binding.apply {
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// 设置初始状态
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tabExpress.setTextColor(ContextCompat.getColor(requireContext(), R.color.tab_selected))
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tabFinance.setTextColor(ContextCompat.getColor(requireContext(), R.color.gray))
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// 快递标签点击事件
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tabExpress.setOnClickListener {
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hideAllRecyclers()
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expressRecycler.visibility = View.VISIBLE
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updateTabStyles(tabExpress)
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homeViewModel.loadExpressData()
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}
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// 财务标签点击事件
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tabFinance.setOnClickListener {
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hideAllRecyclers()
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financeRecycler.visibility = View.VISIBLE
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updateTabStyles(tabFinance)
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homeViewModel.loadFinanceData()
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}
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tabIncome.setOnClickListener {
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hideAllRecyclers()
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incomeRecycler.visibility = View.VISIBLE
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updateTabStyles(tabIncome)
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homeViewModel.loadIncomeData()
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}
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tabFlight.setOnClickListener {
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hideAllRecyclers()
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flightRecycler.visibility = View.VISIBLE
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updateTabStyles(tabFlight)
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homeViewModel.loadFlightData()
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}
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tabTrain.setOnClickListener {
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hideAllRecyclers()
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trainRecycler.visibility = View.VISIBLE
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updateTabStyles(tabTrain)
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homeViewModel.loadTrainData()
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}
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}
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}
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private fun hideAllRecyclers() {
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binding.apply {
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expressRecycler.visibility = View.GONE
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financeRecycler.visibility = View.GONE
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incomeRecycler.visibility = View.GONE
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flightRecycler.visibility = View.GONE
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trainRecycler.visibility = View.GONE
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}
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}
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private fun updateTabStyles(selectedTab: TextView) {
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binding.apply {
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val tabs = listOf(tabExpress, tabFinance, tabIncome, tabFlight, tabTrain)
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tabs.forEach { tab ->
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tab.setTextColor(ContextCompat.getColor(requireContext(),
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if (tab == selectedTab) R.color.tab_selected else R.color.gray))
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tab.textSize = if (tab == selectedTab) 16f else 14f
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}
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}
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}
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//这个方法用于观察 homeViewModel 中的 expressItems 数据。
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private fun observeViewModelData() {
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//当 expressItems 数据发生变化时，更新 RecyclerView 的数据。
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homeViewModel.expressItems.observe(viewLifecycleOwner) { items ->
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//将新的数据列表提交给适配器，以更新 RecyclerView 的显示内容。
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expressAdapter.submitList(items)
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}
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homeViewModel.financeItems.observe(viewLifecycleOwner) { items ->
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financeAdapter.submitList(items)
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}
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homeViewModel.incomeItems.observe(viewLifecycleOwner) { items ->
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incomeAdapter.submitList(items)
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}
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homeViewModel.flightItems.observe(viewLifecycleOwner) { items ->
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flightAdapter.submitList(items)
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}
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homeViewModel.trainItems.observe(viewLifecycleOwner) { items ->
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trainAdapter.submitList(items)
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}
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// 观察可见分类的变化
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homeViewModel.visibleCategories.observe(viewLifecycleOwner) { categories: List<String> ->
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binding.apply {
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// 隐藏所有标签
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tabExpress.visibility = View.GONE
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tabFinance.visibility = View.GONE
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tabIncome.visibility = View.GONE
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tabFlight.visibility = View.GONE
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tabTrain.visibility = View.GONE
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// 根据选中的分类显示对应的标签
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categories.forEachIndexed { index: Int, categoryName: String ->
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when (categoryName) {
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"快递" -> {
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tabExpress.visibility = View.VISIBLE
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if (index == 0) tabExpress.performClick()
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}
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"还款" -> {
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tabFinance.visibility = View.VISIBLE
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if (index == 0) tabFinance.performClick()
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}
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"收入" -> {
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tabIncome.visibility = View.VISIBLE
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if (index == 0) tabIncome.performClick()
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}
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"航班" -> {
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tabFlight.visibility = View.VISIBLE
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if (index == 0) tabFlight.performClick()
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}
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"火车票" -> {
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tabTrain.visibility = View.VISIBLE
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if (index == 0) tabTrain.performClick()
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}
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}
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}
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}
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}
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}
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override fun onResume() {
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super.onResume()
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// 使用 ContextCompat 注册广播接收器，并指定 RECEIVER_NOT_EXPORTED 标志
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ContextCompat.registerReceiver(
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requireContext(),
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dataUpdateReceiver,
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IntentFilter("com.example.firstapp.DATA_UPDATED"),
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ContextCompat.RECEIVER_NOT_EXPORTED
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)
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// 加载数据
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homeViewModel.loadExpressData()
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}
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override fun onPause() {
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super.onPause()
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try {
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// 取消注册广播接收器
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requireContext().unregisterReceiver(dataUpdateReceiver)
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} catch (e: Exception) {
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// 处理可能的异常
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e.printStackTrace()
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}
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}
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override fun onDestroyView() {
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super.onDestroyView()
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_binding = null
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}
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private fun loadAdvertisements() {
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// 使用 Glide 加载网络图片
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Glide.with(this)
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.load("http://192.168.1.235:9999/advertisement/up.png")
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.into(binding.adBanner)
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Glide.with(this)
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.load("http://192.168.1.235:9999/advertisement/down.png")
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.into(binding.bottomAdBanner)
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}
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private fun setupCategorySelector() {
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binding.categoryButton.setOnClickListener {
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// TODO: 检查会员状态
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if (true) { // 临时设置为true，实际应该检查会员状态
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showCategorySelectorDialog()
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} else {
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// 显示会员提示
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Toast.makeText(requireContext(), "该功能仅对会员开放", Toast.LENGTH_SHORT).show()
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}
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}
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}
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private fun showCategorySelectorDialog() {
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val dialog = BottomSheetDialog(requireContext())
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val dialogBinding = DialogCategorySelectorBinding.inflate(layoutInflater)
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dialog.setContentView(dialogBinding.root)
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val adapter = CategorySelectorAdapter()
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dialogBinding.categoryRecyclerView.apply {
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layoutManager = LinearLayoutManager(context)
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this.adapter = adapter
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}
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// 加载现有分类
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homeViewModel.categories.observe(viewLifecycleOwner) { categories ->
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adapter.setCategories(categories)
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}
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dialogBinding.saveButton.setOnClickListener {
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homeViewModel.saveCategories(adapter.getCategories())
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dialog.dismiss()
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}
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dialog.show()
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}
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}
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