344 lines
10 KiB
Kotlin
344 lines
10 KiB
Kotlin
package jp.juggler.subwaytooter
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import android.app.Activity
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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.support.v7.app.AppCompatActivity
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import android.support.v7.widget.LinearLayoutManager
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import android.view.View
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import android.view.ViewGroup
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import android.widget.ImageView
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import android.widget.TextView
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import jp.juggler.util.*
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import org.json.JSONArray
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import org.json.JSONObject
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import java.util.*
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import com.woxthebox.draglistview.DragItem
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import com.woxthebox.draglistview.DragItemAdapter
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import com.woxthebox.draglistview.DragListView
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import com.woxthebox.draglistview.swipe.ListSwipeHelper
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import com.woxthebox.draglistview.swipe.ListSwipeItem
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class ActColumnList : AppCompatActivity() {
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companion object {
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private val log = LogCategory("ActColumnList")
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internal const val TMP_FILE_COLUMN_LIST = "tmp_column_list"
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const val EXTRA_ORDER = "order"
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const val EXTRA_SELECTION = "selection"
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fun open(activity : ActMain, currentItem : Int, requestCode : Int) {
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val array = activity.app_state.encodeColumnList()
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AppState.saveColumnList(activity, ActColumnList.TMP_FILE_COLUMN_LIST, array)
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val intent = Intent(activity, ActColumnList::class.java)
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intent.putExtra(ActColumnList.EXTRA_SELECTION, currentItem)
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activity.startActivityForResult(intent, requestCode)
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}
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}
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private lateinit var listView : DragListView
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private lateinit var listAdapter : MyListAdapter
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private var old_selection : Int = 0
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override fun onCreate(savedInstanceState : Bundle?) {
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super.onCreate(savedInstanceState)
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App1.setActivityTheme(this, false)
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initUI()
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if(savedInstanceState != null) {
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restoreData(savedInstanceState.getInt(EXTRA_SELECTION))
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} else {
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val intent = intent
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restoreData(intent.getIntExtra(EXTRA_SELECTION, - 1))
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}
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}
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override fun onSaveInstanceState(outState : Bundle?) {
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super.onSaveInstanceState(outState)
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outState ?: return
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outState.putInt(EXTRA_SELECTION, old_selection)
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//
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val array = JSONArray()
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val item_list = listAdapter.itemList
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var i = 0
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val ie = item_list.size
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while(i < ie) {
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array.put(item_list[i].json)
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++ i
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}
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AppState.saveColumnList(this, TMP_FILE_COLUMN_LIST, array)
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}
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override fun onBackPressed() {
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makeResult(- 1)
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super.onBackPressed()
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}
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private fun initUI() {
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setContentView(R.layout.act_column_list)
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Styler.fixHorizontalPadding2(findViewById(R.id.llContent))
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// リストのアダプター
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listAdapter = MyListAdapter()
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// ハンドル部分をドラッグで並べ替えできるRecyclerView
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listView = findViewById(R.id.drag_list_view)
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listView.setLayoutManager(LinearLayoutManager(this))
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listView.setAdapter(listAdapter, true)
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listView.setCanDragHorizontally(false)
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listView.setCustomDragItem(MyDragItem(this, R.layout.lv_column_list))
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listView.recyclerView.isVerticalScrollBarEnabled = true
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listView.setDragListListener(object : DragListView.DragListListenerAdapter() {
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override fun onItemDragStarted(position : Int) {
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// 操作中はリフレッシュ禁止
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// mRefreshLayout.setEnabled( false );
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}
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override fun onItemDragEnded(fromPosition : Int, toPosition : Int) {
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// 操作完了でリフレッシュ許可
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// mRefreshLayout.setEnabled( USE_SWIPE_REFRESH );
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// if( fromPosition != toPosition ){
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// // 並べ替えが発生した
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// }
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}
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})
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// リストを左右スワイプした
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listView.setSwipeListener(object : ListSwipeHelper.OnSwipeListenerAdapter() {
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override fun onItemSwipeStarted(item : ListSwipeItem) {
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// 操作中はリフレッシュ禁止
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// mRefreshLayout.setEnabled( false );
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}
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override fun onItemSwipeEnded(
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item : ListSwipeItem,
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swipedDirection : ListSwipeItem.SwipeDirection?
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) {
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// 操作完了でリフレッシュ許可
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// mRefreshLayout.setEnabled( USE_SWIPE_REFRESH );
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// 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
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if(swipedDirection == ListSwipeItem.SwipeDirection.LEFT) {
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val adapterItem = item.tag as MyItem
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if(adapterItem.json.optBoolean(Column.KEY_DONT_CLOSE, false)) {
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showToast(
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this@ActColumnList,
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false,
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R.string.column_has_dont_close_option
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)
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listView.resetSwipedViews(null)
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return
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}
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listAdapter.removeItem(listAdapter.getPositionForItem(adapterItem))
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}
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}
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})
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}
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private fun restoreData(ivSelection : Int) {
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this.old_selection = ivSelection
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val tmp_list = ArrayList<MyItem>()
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try {
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val array = AppState.loadColumnList(this, TMP_FILE_COLUMN_LIST)
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if(array != null) {
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var i = 0
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val ie = array.length()
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while(i < ie) {
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try {
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val src = array.optJSONObject(i)
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val item = MyItem(src, i.toLong(), this)
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if(src != null) {
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tmp_list.add(item)
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if(old_selection == item.old_index) {
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item.setOldSelection(true)
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}
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}
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} catch(ex : Throwable) {
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log.trace(ex)
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}
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++ i
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}
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}
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} catch(ex : Throwable) {
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log.trace(ex)
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}
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listAdapter.itemList = tmp_list
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}
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private fun makeResult(new_selection : Int) {
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val intent = Intent()
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val item_list = listAdapter.itemList
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// どの要素を選択するか
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if(new_selection >= 0 && new_selection < listAdapter.itemCount) {
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intent.putExtra(EXTRA_SELECTION, new_selection)
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} else {
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var i = 0
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val ie = item_list.size
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while(i < ie) {
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if(item_list[i].bOldSelection) {
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intent.putExtra(EXTRA_SELECTION, i)
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break
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}
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++ i
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}
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}
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// 並べ替え用データ
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val order_list = ArrayList<Int>()
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for(item in item_list) {
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order_list.add(item.old_index)
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}
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intent.putExtra(EXTRA_ORDER, order_list)
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setResult(Activity.RESULT_OK, intent)
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}
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private fun performItemSelected(item : MyItem) {
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val idx = listAdapter.getPositionForItem(item)
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makeResult(idx)
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finish()
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}
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// リスト要素のデータ
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internal class MyItem(val json : JSONObject, val id : Long, context : Context) {
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val name : String = json.optString(Column.KEY_COLUMN_NAME)
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val acct : String = json.optString(Column.KEY_COLUMN_ACCESS)
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val old_index = json.optInt(Column.KEY_OLD_INDEX)
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val type = json.optInt(Column.KEY_TYPE)
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val acct_color_fg : Int
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val acct_color_bg : Int
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var bOldSelection : Boolean = false
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init {
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var c = json.optInt(Column.KEY_COLUMN_ACCESS_COLOR, 0)
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this.acct_color_fg =
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if(c != 0) c else getAttributeColor(context, R.attr.colorColumnListItemText)
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c = json.optInt(Column.KEY_COLUMN_ACCESS_COLOR_BG, 0)
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this.acct_color_bg = c
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}
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fun setOldSelection(b : Boolean) {
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bOldSelection = b
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}
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}
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// リスト要素のViewHolder
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internal inner class MyViewHolder(viewRoot : View) : DragItemAdapter.ViewHolder(
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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
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, true // 長押しでドラッグ開始するなら真
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) {
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private val ivBookmark : View = viewRoot.findViewById(R.id.ivBookmark)
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private val tvAccess : TextView = viewRoot.findViewById(R.id.tvAccess)
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private val tvName : TextView = viewRoot.findViewById(R.id.tvName)
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private val ivColumnIcon : ImageView = viewRoot.findViewById(R.id.ivColumnIcon)
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private val acct_pad_lr = (0.5f + 4f * viewRoot.resources.displayMetrics.density).toInt()
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init {
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// 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
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if(viewRoot is ListSwipeItem) {
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viewRoot.setSwipeInStyle(ListSwipeItem.SwipeInStyle.SLIDE)
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viewRoot.supportedSwipeDirection = ListSwipeItem.SwipeDirection.LEFT
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}
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}
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fun bind(item : MyItem) {
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itemView.tag = item // itemView は親クラスのメンバ変数
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ivBookmark.visibility = if(item.bOldSelection) View.VISIBLE else View.INVISIBLE
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tvAccess.text = item.acct
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tvAccess.setTextColor(item.acct_color_fg)
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tvAccess.setBackgroundColor(item.acct_color_bg)
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tvAccess.setPaddingRelative(acct_pad_lr, 0, acct_pad_lr, 0)
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tvName.text = item.name
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ivColumnIcon.setImageResource(
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getAttributeResourceId(
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this@ActColumnList, Column.getIconAttrId(item.acct, item.type)
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)
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)
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}
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// @Override
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// public boolean onItemLongClicked( View view ){
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// return false;
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// }
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override fun onItemClicked(view : View?) {
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val item = itemView.tag as MyItem // itemView は親クラスのメンバ変数
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(view.activity as? ActColumnList)?.performItemSelected(item)
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}
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}
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// ドラッグ操作中のデータ
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private inner class MyDragItem internal constructor(context : Context, layoutId : Int) :
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DragItem(context, layoutId) {
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override fun onBindDragView(clickedView : View, dragView : View) {
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val item = clickedView.tag as MyItem
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var tv = dragView.findViewById<TextView>(R.id.tvAccess)
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tv.text = item.acct
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tv.setTextColor(item.acct_color_fg)
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tv.setBackgroundColor(item.acct_color_bg)
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tv = dragView.findViewById(R.id.tvName)
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tv.text = item.name
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val ivColumnIcon = dragView.findViewById<ImageView>(R.id.ivColumnIcon)
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ivColumnIcon.setImageResource(
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getAttributeResourceId(
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this@ActColumnList, Column.getIconAttrId(item.acct, item.type)
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)
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)
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dragView.findViewById<View>(R.id.ivBookmark).visibility =
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clickedView.findViewById<View>(R.id.ivBookmark).visibility
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dragView.findViewById<View>(R.id.item_layout).setBackgroundColor(
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getAttributeColor(this@ActColumnList, R.attr.list_item_bg_pressed_dragged)
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)
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}
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}
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private inner class MyListAdapter internal constructor() :
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DragItemAdapter<MyItem, MyViewHolder>() {
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init {
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setHasStableIds(true)
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itemList = ArrayList<MyItem>()
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}
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override fun onCreateViewHolder(parent : ViewGroup, viewType : Int) : MyViewHolder {
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val view = layoutInflater.inflate(R.layout.lv_column_list, parent, false)
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return MyViewHolder(view)
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}
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override fun onBindViewHolder(holder : MyViewHolder, position : Int) {
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super.onBindViewHolder(holder, position)
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holder.bind(itemList[position])
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}
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override fun getUniqueItemId(position : Int) : Long {
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val item = mItemList[position] // mItemList は親クラスのメンバ変数
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return item.id
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}
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}
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}
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