SubwayTooter-Android-App/app/src/main/java/jp/juggler/subwaytooter/ActColumnList.kt

307 lines
10 KiB
Kotlin

package jp.juggler.subwaytooter
import android.app.Activity
import android.content.Context
import android.content.Intent
import android.os.Bundle
import android.view.View
import android.view.ViewGroup
import android.widget.ImageView
import android.widget.TextView
import androidx.appcompat.app.AppCompatActivity
import com.woxthebox.draglistview.DragItem
import com.woxthebox.draglistview.DragItemAdapter
import com.woxthebox.draglistview.DragListView
import com.woxthebox.draglistview.swipe.ListSwipeHelper
import com.woxthebox.draglistview.swipe.ListSwipeItem
import jp.juggler.subwaytooter.api.entity.Acct
import jp.juggler.util.*
import java.util.*
class ActColumnList : AppCompatActivity() {
companion object {
private val log = LogCategory("ActColumnList")
internal const val TMP_FILE_COLUMN_LIST = "tmp_column_list"
const val EXTRA_ORDER = "order"
const val EXTRA_SELECTION = "selection"
fun open(activity : ActMain, currentItem : Int, requestCode : Int) {
val array = activity.app_state.encodeColumnList()
AppState.saveColumnList(activity, TMP_FILE_COLUMN_LIST, array)
val intent = Intent(activity, ActColumnList::class.java)
intent.putExtra(EXTRA_SELECTION, currentItem)
activity.startActivityForResult(intent, requestCode)
}
}
private lateinit var listView : DragListView
private lateinit var listAdapter : MyListAdapter
private var old_selection : Int = 0
override fun onCreate(savedInstanceState : Bundle?) {
super.onCreate(savedInstanceState)
App1.setActivityTheme(this)
initUI()
if(savedInstanceState != null) {
restoreData(savedInstanceState.getInt(EXTRA_SELECTION))
} else {
val intent = intent
restoreData(intent.getIntExtra(EXTRA_SELECTION, - 1))
}
}
override fun onSaveInstanceState(outState : Bundle) {
super.onSaveInstanceState(outState)
outState.putInt(EXTRA_SELECTION, old_selection)
val array = listAdapter.itemList.map { it.json }.toJsonArray()
AppState.saveColumnList(this, TMP_FILE_COLUMN_LIST, array)
}
override fun onBackPressed() {
makeResult(- 1)
super.onBackPressed()
}
private fun initUI() {
setContentView(R.layout.act_column_list)
App1.initEdgeToEdge(this)
Styler.fixHorizontalPadding0(findViewById(R.id.llContent))
// リストのアダプター
listAdapter = MyListAdapter()
// ハンドル部分をドラッグで並べ替えできるRecyclerView
listView = findViewById(R.id.drag_list_view)
listView.setLayoutManager(androidx.recyclerview.widget.LinearLayoutManager(this))
listView.setAdapter(listAdapter, true)
listView.setCanDragHorizontally(false)
listView.setCustomDragItem(MyDragItem(this, R.layout.lv_column_list))
listView.recyclerView.isVerticalScrollBarEnabled = true
listView.setDragListListener(object : DragListView.DragListListenerAdapter() {
override fun onItemDragStarted(position : Int) {
// 操作中はリフレッシュ禁止
// mRefreshLayout.setEnabled( false );
}
override fun onItemDragEnded(fromPosition : Int, toPosition : Int) {
// 操作完了でリフレッシュ許可
// mRefreshLayout.setEnabled( USE_SWIPE_REFRESH );
// if( fromPosition != toPosition ){
// // 並べ替えが発生した
// }
}
})
// リストを左右スワイプした
listView.setSwipeListener(object : ListSwipeHelper.OnSwipeListenerAdapter() {
override fun onItemSwipeStarted(item : ListSwipeItem) {
// 操作中はリフレッシュ禁止
// mRefreshLayout.setEnabled( false );
}
override fun onItemSwipeEnded(
item : ListSwipeItem,
swipedDirection : ListSwipeItem.SwipeDirection?
) {
// 操作完了でリフレッシュ許可
// mRefreshLayout.setEnabled( USE_SWIPE_REFRESH );
// 左にスワイプした(右端に青が見えた) なら要素を削除する
if(swipedDirection == ListSwipeItem.SwipeDirection.LEFT) {
val adapterItem = item.tag as MyItem
if(adapterItem.json.optBoolean(Column.KEY_DONT_CLOSE, false)) {
showToast(false, R.string.column_has_dont_close_option)
listView.resetSwipedViews(null)
return
}
listAdapter.removeItem(listAdapter.getPositionForItem(adapterItem))
}
}
})
}
private fun restoreData(ivSelection : Int) {
this.old_selection = ivSelection
val tmp_list = ArrayList<MyItem>()
try {
AppState.loadColumnList(this, TMP_FILE_COLUMN_LIST)
?.objectList()
?.forEachIndexed { index, src ->
try {
val item = MyItem(src, index.toLong(), this)
tmp_list.add(item)
if(old_selection == item.old_index) {
item.setOldSelection(true)
}
} catch(ex : Throwable) {
log.trace(ex)
}
}
} catch(ex : Throwable) {
log.trace(ex)
}
listAdapter.itemList = tmp_list
}
private fun makeResult(new_selection : Int) {
val intent = Intent()
val item_list = listAdapter.itemList
// どの要素を選択するか
if(new_selection >= 0 && new_selection < listAdapter.itemCount) {
intent.putExtra(EXTRA_SELECTION, new_selection)
} else {
var i = 0
val ie = item_list.size
while(i < ie) {
if(item_list[i].bOldSelection) {
intent.putExtra(EXTRA_SELECTION, i)
break
}
++ i
}
}
// 並べ替え用データ
val order_list = ArrayList<Int>()
for(item in item_list) {
order_list.add(item.old_index)
}
intent.putExtra(EXTRA_ORDER, order_list)
setResult(Activity.RESULT_OK, intent)
}
private fun performItemSelected(item : MyItem) {
val idx = listAdapter.getPositionForItem(item)
makeResult(idx)
finish()
}
// リスト要素のデータ
internal class MyItem(val json : JsonObject, val id : Long, context : Context) {
val name : String = json.optString(Column.KEY_COLUMN_NAME)
val acct : Acct = Acct.parse(json.optString(Column.KEY_COLUMN_ACCESS_ACCT))
val acct_name : String = json.optString(Column.KEY_COLUMN_ACCESS_STR)
val old_index = json.optInt(Column.KEY_OLD_INDEX)
val type = ColumnType.parse(json.optInt(Column.KEY_TYPE))
val acct_color_bg = json.optInt(Column.KEY_COLUMN_ACCESS_COLOR_BG, 0)
val acct_color_fg = json.optInt(Column.KEY_COLUMN_ACCESS_COLOR, 0)
.notZero() ?: context.attrColor(R.attr.colorColumnListItemText)
var bOldSelection : Boolean = false
fun setOldSelection(b : Boolean) {
bOldSelection = b
}
}
// リスト要素のViewHolder
internal inner class MyViewHolder(viewRoot : View) : DragItemAdapter.ViewHolder(
viewRoot, R.id.ivDragHandle // View ID。 ここを押すとドラッグ操作をすぐに開始する
, true // 長押しでドラッグ開始するなら真
) {
private val ivBookmark : View = viewRoot.findViewById(R.id.ivBookmark)
private val tvAccess : TextView = viewRoot.findViewById(R.id.tvAccess)
private val tvName : TextView = viewRoot.findViewById(R.id.tvName)
private val ivColumnIcon : ImageView = viewRoot.findViewById(R.id.ivColumnIcon)
private val acct_pad_lr = (0.5f + 4f * viewRoot.resources.displayMetrics.density).toInt()
init {
// リスト要素のビューが ListSwipeItem だった場合、Swipe操作を制御できる
if(viewRoot is ListSwipeItem) {
viewRoot.setSwipeInStyle(ListSwipeItem.SwipeInStyle.SLIDE)
viewRoot.supportedSwipeDirection = ListSwipeItem.SwipeDirection.LEFT
}
}
fun bind(item : MyItem) {
itemView.tag = item // itemView は親クラスのメンバ変数
ivBookmark.visibility = if(item.bOldSelection) View.VISIBLE else View.INVISIBLE
tvAccess.text = item.acct_name
tvAccess.setTextColor(item.acct_color_fg)
tvAccess.setBackgroundColor(item.acct_color_bg)
tvAccess.setPaddingRelative(acct_pad_lr, 0, acct_pad_lr, 0)
tvName.text = item.name
ivColumnIcon.setImageResource(item.type.iconId(item.acct))
// 背景色がテーマ次第なので、カラム設定の色を反映するとアイコンが見えなくなる可能性がある
// よってアイコンやテキストにカラム設定の色を反映しない
}
// @Override
// public boolean onItemLongClicked( View view ){
// return false;
// }
override fun onItemClicked(view : View?) {
val item = itemView.tag as MyItem // itemView は親クラスのメンバ変数
(view.activity as? ActColumnList)?.performItemSelected(item)
}
}
// ドラッグ操作中のデータ
private inner class MyDragItem(context : Context, layoutId : Int) :
DragItem(context, layoutId) {
override fun onBindDragView(clickedView : View, dragView : View) {
val item = clickedView.tag as MyItem
var tv : TextView = dragView.findViewById(R.id.tvAccess)
tv.text = item.acct_name
tv.setTextColor(item.acct_color_fg)
tv.setBackgroundColor(item.acct_color_bg)
tv = dragView.findViewById(R.id.tvName)
tv.text = item.name
val ivColumnIcon : ImageView = dragView.findViewById(R.id.ivColumnIcon)
ivColumnIcon.setImageResource(item.type.iconId(item.acct))
dragView.findViewById<View>(R.id.ivBookmark).visibility =
clickedView.findViewById<View>(R.id.ivBookmark).visibility
dragView.findViewById<View>(R.id.item_layout)
.setBackgroundColor(attrColor(R.attr.list_item_bg_pressed_dragged))
}
}
private inner class MyListAdapter :
DragItemAdapter<MyItem, MyViewHolder>() {
init {
setHasStableIds(true)
itemList = ArrayList()
}
override fun onCreateViewHolder(parent : ViewGroup, viewType : Int) : MyViewHolder {
val view = layoutInflater.inflate(R.layout.lv_column_list, parent, false)
return MyViewHolder(view)
}
override fun onBindViewHolder(holder : MyViewHolder, position : Int) {
super.onBindViewHolder(holder, position)
holder.bind(itemList[position])
}
override fun getUniqueItemId(position : Int) : Long {
val item = mItemList[position] // mItemList は親クラスのメンバ変数
return item.id
}
}
}