248 lines
10 KiB
Kotlin
248 lines
10 KiB
Kotlin
package com.coldmint.rust.pro
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import android.annotation.SuppressLint
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import android.content.Context
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import android.content.Intent
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import android.os.Bundle
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import android.view.LayoutInflater
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import android.view.Menu
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import android.view.MenuItem
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import android.view.ViewGroup
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import android.widget.Button
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import androidx.appcompat.widget.SearchView
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import androidx.core.view.isVisible
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import androidx.recyclerview.widget.RecyclerView
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import com.coldmint.rust.core.dataBean.HotSearchData
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import com.coldmint.rust.core.dataBean.SearchSuggestionsData
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import com.coldmint.rust.core.interfaces.ApiCallBack
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import com.coldmint.rust.core.web.Search
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import com.coldmint.rust.pro.adapters.HotSearchAdapter
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import com.coldmint.rust.pro.adapters.SearchSuggestionsAdapter
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import com.coldmint.rust.pro.base.BaseActivity
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import com.coldmint.rust.pro.databinding.ActivitySearchBinding
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import com.coldmint.rust.pro.databinding.ItemStringBinding
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import com.coldmint.rust.pro.ui.StableLinearLayoutManager
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import com.google.android.flexbox.FlexboxLayoutManager
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import com.google.android.material.dialog.MaterialAlertDialogBuilder
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/**
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* 搜索界面
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*/
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class SearchActivity : BaseActivity<ActivitySearchBinding>() {
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lateinit var list: MutableList<String>
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val sharedPreferencesKey = "search_history"
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@SuppressLint("CommitPrefEdits", "NotifyDataSetChanged")
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override fun whenCreateActivity(savedInstanceState: Bundle?, canUseView: Boolean) {
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title = getString(R.string.search)
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setReturnButton()
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viewBinding.recyclerView.layoutManager = StableLinearLayoutManager(this)
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viewBinding.hotSearchView.layoutManager = StableLinearLayoutManager(this)
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loadSearchView()
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loadHotSearch()
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list = getSharedPreferences(sharedPreferencesKey, Context.MODE_PRIVATE)
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.getStringSet("data", mutableSetOf())
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?.toMutableList() ?: mutableListOf()
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viewBinding.hotSearchView2.layoutManager = FlexboxLayoutManager(this)
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viewBinding.hotSearchView2.adapter = adapter
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viewBinding.deleat.setOnClickListener {
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val dialog = MaterialAlertDialogBuilder(this@SearchActivity)
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dialog.setTitle(R.string.search_history)
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dialog.setMessage(R.string.clear_all_history)
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dialog.setPositiveButton(R.string.dialog_ok) { _, _ ->
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while (list.isNotEmpty()) {
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val index = 0
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list.removeAt(index)
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adapter.notifyItemRemoved(index)
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}
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getSharedPreferences(sharedPreferencesKey,
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Context.MODE_PRIVATE).edit().putStringSet(
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"data", list.toSet()).apply()
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}
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dialog.setNegativeButton(R.string.dialog_cancel, null)
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dialog.show()
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}
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viewBinding.searchView.onActionViewExpanded()
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}
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private fun additem(string: String) {
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// 检查列表中是否已经存在该数据
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val existingIndex = list.indexOf(string)
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if (existingIndex != -1) {
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// 如果已存在，移动到列表最前面
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list.removeAt(existingIndex)
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list.add(0, string)
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adapter.notifyItemMoved(existingIndex, 0)
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} else {
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// 如果不存在，添加到列表最前面
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list.add(0, string)
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adapter.notifyItemInserted(0)
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}
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// 滚动到顶部
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// viewBinding.hotSearchView2.scrollToPosition(0)
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// 限制历史记录数量为10
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if (list.size > 10) {
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list.removeAt(list.lastIndex)
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}
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val editor = getSharedPreferences(sharedPreferencesKey, Context.MODE_PRIVATE).edit()
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editor.putStringSet("data", list.toSet())
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editor.apply()
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if (!viewBinding.searchView.isVisible) {
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viewBinding.searchLayout.isVisible = true
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}
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}
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fun search(string: String) {
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val intent = Intent(this@SearchActivity, SearchResultActivity::class.java)
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intent.putExtra("key", string)
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startActivity(intent)
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additem(string)
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}
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//TODO:将适配器继承自BaseAdapter，使其不再过度依赖SearchActivity。
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val adapter: RecyclerView.Adapter<VH> = object : RecyclerView.Adapter<VH>() {
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): VH {
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return VH(ItemStringBinding.bind(
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LayoutInflater.from(viewBinding.root.context)
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.inflate(R.layout.item_string, parent, false)))
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}
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override fun onBindViewHolder(holder: VH, position: Int) {
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holder.binding.button.text = list[position]
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holder.binding.button.setOnClickListener {
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val a: Button = it as Button
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search(a.text.toString())
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}
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holder.binding.button.setOnLongClickListener {
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val str = list[holder.bindingAdapterPosition]
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MaterialAlertDialogBuilder(it.context).setTitle("确定要删除此记录:$str")
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.setPositiveButton("确定") { _, _ ->
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list.remove(str)
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notifyItemRemoved(holder.bindingAdapterPosition)
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}.setNegativeButton("取消", null)
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.show()
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false
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}
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}
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override fun getItemCount(): Int {
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val empty = list.isEmpty()
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viewBinding.searchLayout.isVisible = !empty
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viewBinding.deleat.isVisible = !empty
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return list.size
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}
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}
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class VH(itemView: ItemStringBinding) : RecyclerView.ViewHolder(itemView.root) {
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var binding: ItemStringBinding = itemView
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}
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private fun loadHotSearch() {
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Search.instance.hotSearch(object : ApiCallBack<HotSearchData> {
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override fun onResponse(t: HotSearchData) {
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val adapter = HotSearchAdapter(this@SearchActivity, t.data)
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adapter.setItemEvent { _, itemHotSearchBinding, _, data ->
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itemHotSearchBinding.root.setOnClickListener {
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search(data.keyword)
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}
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}
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viewBinding.hotSearchView.adapter = adapter
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}
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override fun onFailure(e: Exception) {
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}
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})
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}
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private fun loadSearchView() {
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viewBinding.searchView.setOnQueryTextListener(object : SearchView.OnQueryTextListener,
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android.widget.SearchView.OnQueryTextListener {
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override fun onQueryTextSubmit(query: String?): Boolean {
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if (!query.isNullOrBlank()) {
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search(query)
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}
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return true
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}
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override fun onQueryTextChange(newText: String?): Boolean {
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if (!newText.isNullOrBlank()) {
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// viewBinding.searchSuggestionsView.setText(R.string.search_suggestions_loading)
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Search.instance.suggestions(newText,
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object : ApiCallBack<SearchSuggestionsData> {
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override fun onResponse(t: SearchSuggestionsData) {
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val dataList = t.data
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if (dataList.isEmpty()) {
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viewBinding.recyclerView.isVisible = false
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// viewBinding.searchSuggestionsView.setText(R.string.search_suggestions_null)
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} else {
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val adapter =
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SearchSuggestionsAdapter(
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this@SearchActivity,
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newText,
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dataList
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)
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adapter.setItemEvent { _, itemSearchSuggestionsBinding, _, s ->
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itemSearchSuggestionsBinding.root.setOnClickListener {
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search(s)
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}
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}
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viewBinding.recyclerView.adapter = adapter
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viewBinding.recyclerView.isVisible = true
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// val s = String.format(getString(R.string.search_suggestions_number),dataList.size)
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// viewBinding.searchSuggestionsView.text = s
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}
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}
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override fun onFailure(e: Exception) {
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viewBinding.recyclerView.isVisible = false
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// viewBinding.searchSuggestionsView.setText(R.string.search_suggestions_null)
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}
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})
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} else {
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// viewBinding.searchSuggestionsView.setText(R.string.search_suggestions_null)
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viewBinding.recyclerView.isVisible = false
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}
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return true
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}
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})
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}
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override fun onCreateOptionsMenu(menu: Menu): Boolean {
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val add = menu.add("搜索")
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add.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM)
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return super.onCreateOptionsMenu(menu)
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}
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override fun onOptionsItemSelected(item: MenuItem): Boolean {
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if (item.itemId == 0) {
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if (!viewBinding.searchView.query.isNullOrBlank()) {
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search(viewBinding.searchView.query.toString())
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}
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}
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return super.onOptionsItemSelected(item)
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}
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override fun getViewBindingObject(layoutInflater: LayoutInflater): ActivitySearchBinding {
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return ActivitySearchBinding.inflate(layoutInflater)
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}
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override fun onBackPressed() {
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if (viewBinding.recyclerView.isVisible) {
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viewBinding.recyclerView.isVisible = false
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return
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}
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super.onBackPressed()
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}
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} |