Aurelien Hubert
7 years ago
parent
e80ef58493
commit
d77317cdde
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package net.pokeranalytics.android.ui.adapter |
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import android.content.Context |
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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 androidx.appcompat.widget.AppCompatTextView |
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import androidx.recyclerview.widget.RecyclerView |
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import io.realm.RealmResults |
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import kotlinx.android.synthetic.main.row_transaction.view.* |
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import net.pokeranalytics.android.R |
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import net.pokeranalytics.android.model.realm.Transaction |
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import net.pokeranalytics.android.ui.view.BindableHolder |
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import net.pokeranalytics.android.ui.view.RowViewType |
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import net.pokeranalytics.android.util.NULL_TEXT |
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import net.pokeranalytics.android.util.extensions.getMonthAndYear |
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import timber.log.Timber |
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import java.util.* |
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import kotlin.collections.HashMap |
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/** |
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* An adapter capable of displaying a list of RowRepresentables |
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* @param dataSource the datasource providing rows |
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* @param delegate the delegate, notified of UI actions |
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*/ |
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class FeedTransactionRowRepresentableAdapter( |
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var delegate: RowRepresentableDelegate? = null, |
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var realmTransactions: RealmResults<Transaction>, |
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var distinctTransactionsHeaders: RealmResults<Transaction> |
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) : |
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RecyclerView.Adapter<RecyclerView.ViewHolder>() { |
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private var headersPositions = HashMap<Int, Date?>() |
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private lateinit var sortedHeaders: SortedMap<Int, Date?> |
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init { |
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refreshData() |
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} |
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/** |
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* Display a transaction view |
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*/ |
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inner class RowTransactionViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView), BindableHolder { |
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fun bind(position: Int, row: Transaction?, adapter: FeedTransactionRowRepresentableAdapter) { |
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itemView.transactionRow.setData(row as Transaction) |
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val listener = View.OnClickListener { |
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adapter.delegate?.onRowSelected(position, row) |
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} |
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itemView.transactionRow.setOnClickListener(listener) |
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} |
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} |
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/** |
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* Display a header |
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*/ |
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inner class HeaderTitleViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView), BindableHolder { |
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fun bind(position: Int, title: String, adapter: FeedTransactionRowRepresentableAdapter) { |
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// Title |
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itemView.findViewById<AppCompatTextView>(R.id.title)?.let { |
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it.text = title |
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} |
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} |
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} |
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder { |
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if (viewType == RowViewType.ROW_TRANSACTION.ordinal) { |
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val layout = LayoutInflater.from(parent.context).inflate(R.layout.row_transaction, parent, false) |
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return RowTransactionViewHolder(layout) |
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} else { |
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val layout = LayoutInflater.from(parent.context).inflate(R.layout.row_header_title, parent, false) |
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return HeaderTitleViewHolder(layout) |
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} |
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} |
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override fun getItemViewType(position: Int): Int { |
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if (sortedHeaders.containsKey(position)) { |
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return RowViewType.HEADER_TITLE.ordinal |
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} else { |
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return RowViewType.ROW_TRANSACTION.ordinal |
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} |
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} |
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override fun getItemCount(): Int { |
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return realmTransactions.size + distinctTransactionsHeaders.size |
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} |
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override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) { |
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if (holder is RowTransactionViewHolder) { |
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holder.bind(position, getTransactionForPosition(position), this) |
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} else if (holder is HeaderTitleViewHolder) { |
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holder.bind(position, getHeaderForPosition(holder.itemView.context, position), this) |
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} |
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} |
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/** |
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* Return the header |
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*/ |
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private fun getHeaderForPosition(context: Context, position: Int): String { |
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if (sortedHeaders.containsKey(position)) { |
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val realmHeaderPosition = sortedHeaders.keys.indexOf(position) |
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return distinctTransactionsHeaders[realmHeaderPosition]?.date?.getMonthAndYear() ?: "" |
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} |
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return NULL_TEXT |
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} |
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/** |
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* Get real index |
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*/ |
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private fun getTransactionForPosition(position: Int): Transaction? { |
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// Row position |
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var headersBefore = 0 |
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for (key in sortedHeaders.keys) { |
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if (position > key) { |
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headersBefore++ |
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} else { |
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break |
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} |
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} |
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return realmTransactions[position - headersBefore] |
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} |
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/** |
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* Refresh headers positions |
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*/ |
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fun refreshData() { |
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headersPositions.clear() |
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val start = System.currentTimeMillis() |
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var previousYear = Int.MAX_VALUE |
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var previousMonth = Int.MAX_VALUE |
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val calendar = Calendar.getInstance() |
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// Add headers if the date doesn't exist yet |
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for ((index, transaction) in realmTransactions.withIndex()) { |
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calendar.time = transaction.date |
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if (checkHeaderCondition(calendar, previousYear, previousMonth)) { |
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headersPositions[index + headersPositions.size] = transaction.date |
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previousYear = calendar.get(Calendar.YEAR) |
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previousMonth = calendar.get(Calendar.MONTH) |
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} |
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} |
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sortedHeaders = headersPositions.toSortedMap() |
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Timber.d("Create viewTypesPositions in: ${System.currentTimeMillis() - start}ms") |
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} |
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/** |
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* Check if we need to add a header |
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* Can be change to manage different condition |
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*/ |
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private fun checkHeaderCondition(currentCalendar: Calendar, previousYear: Int, previousMonth: Int): Boolean { |
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return currentCalendar.get(Calendar.YEAR) == previousYear && currentCalendar.get(Calendar.MONTH) < previousMonth || (currentCalendar.get(Calendar.YEAR) < previousYear) |
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} |
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} |
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