Add functionality to the Search funtion in the Transactions' toolbar, which fires events to filter the transactions list while the user types a search query.

This commit is contained in:
Severiano Jaramillo 2018-12-24 08:44:07 -06:00
parent 4391ff5ad4
commit 2f720bb114

View file

@ -1,9 +1,12 @@
package cy.agorise.bitsybitshareswallet.fragments
import android.graphics.Point
import android.os.Bundle
import android.preference.PreferenceManager
import android.view.*
import androidx.appcompat.widget.SearchView
import androidx.fragment.app.Fragment
import androidx.fragment.app.FragmentActivity
import androidx.lifecycle.Observer
import androidx.lifecycle.ViewModelProviders
import androidx.recyclerview.widget.LinearLayoutManager
@ -14,15 +17,31 @@ import cy.agorise.bitsybitshareswallet.utils.BounceTouchListener
import cy.agorise.bitsybitshareswallet.utils.Constants
import cy.agorise.bitsybitshareswallet.viewmodels.TransferDetailViewModel
import kotlinx.android.synthetic.main.fragment_transactions.*
import java.util.*
import kotlin.collections.ArrayList
class TransactionsFragment : Fragment() {
class TransactionsFragment : Fragment(), SearchView.OnQueryTextListener {
private lateinit var mTransferDetailViewModel: TransferDetailViewModel
override fun onCreateView(
inflater: LayoutInflater, container: ViewGroup?,
savedInstanceState: Bundle?
): View? {
private lateinit var transfersDetailsAdapter: TransfersDetailsAdapter
private val transfersDetails = ArrayList<TransferDetail>()
private val filteredTransfersDetails = ArrayList<TransferDetail>()
/** Variables used to filter the transaction items */
private var filterQuery = ""
private var filterTransactionsDirection = 0
private var filterDateRangeAll = true
private var filterStartDate = 0L
private var filterEndDate = 0L
private var filterCryptocurrencyAll = true
private var filterCryptocurrency = "BTS"
private var filterFiatAmountAll = true
private var filterFromFiatAmount = 0L
private var filterToFiatAmount = 500L
override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
setHasOptionsMenu(true)
return inflater.inflate(R.layout.fragment_transactions, container, false)
@ -34,23 +53,105 @@ class TransactionsFragment : Fragment() {
val userId = PreferenceManager.getDefaultSharedPreferences(context)
.getString(Constants.KEY_CURRENT_ACCOUNT_ID, "") ?: ""
// Configure TransferDetailViewModel to show the transaction history
mTransferDetailViewModel = ViewModelProviders.of(this).get(TransferDetailViewModel::class.java)
val transfersDetailsAdapter = TransfersDetailsAdapter(context!!)
transfersDetailsAdapter = TransfersDetailsAdapter(context!!)
rvTransactions.adapter = transfersDetailsAdapter
rvTransactions.layoutManager = LinearLayoutManager(context)
// Configure TransferDetailViewModel to fetch the transaction history
mTransferDetailViewModel = ViewModelProviders.of(this).get(TransferDetailViewModel::class.java)
mTransferDetailViewModel.getAll(userId).observe(this, Observer<List<TransferDetail>> { transfersDetails ->
transfersDetailsAdapter.replaceAll(transfersDetails)
this.transfersDetails.clear()
this.transfersDetails.addAll(transfersDetails)
applyFilterOptions(false)
})
// Sets custom touch listener to handle bounce/stretch effect
// Set custom touch listener to handle bounce/stretch effect
val bounceTouchListener = BounceTouchListener(rvTransactions)
rvTransactions.setOnTouchListener(bounceTouchListener)
// Initialize filter options
val calendar = Calendar.getInstance()
filterEndDate = calendar.timeInMillis / 1000
calendar.add(Calendar.MONTH, -2)
filterStartDate = calendar.timeInMillis / 1000
}
override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
inflater.inflate(R.menu.menu_transactions, menu)
// Adds listener for the SearchView
val searchItem = menu.findItem(R.id.menuSearch)
val searchView = searchItem.actionView as SearchView
searchView.setOnQueryTextListener(this)
// Adjust SearchView width to avoid pushing other menu items out of the screen
searchView.maxWidth = getScreenWidth(activity) * 3 / 5
}
/**
* Returns the screen width in pixels for the given [FragmentActivity]
*/
private fun getScreenWidth(activity: FragmentActivity?): Int {
if (activity == null)
return 200
val size = Point()
activity.windowManager.defaultDisplay.getSize(size)
return size.x
}
override fun onQueryTextChange(query: String): Boolean {
filterQuery = query.toLowerCase()
applyFilterOptions()
return true
}
override fun onQueryTextSubmit(query: String?) = false // Not needed since we are filtering as the user types
/**
* Filters the TransferDetail list given the user selected filter options.
* TODO move this to a background thread
*/
private fun applyFilterOptions(scrollToTop: Boolean = true) {
// Clean the filtered list
filteredTransfersDetails.clear()
for (transferDetail in transfersDetails) {
// Filter by transfer direction
if (transferDetail.direction) { // Transfer sent
if (filterTransactionsDirection == 2)
// Looking for received transfers only
continue
} else { // Transfer received
if (filterTransactionsDirection == 1)
// Looking for sent transactions only
continue
}
// Filter by date range
if (!filterDateRangeAll && (transferDetail.date < filterStartDate || transferDetail.date > filterEndDate))
continue
// Filter by cryptocurrency
if (!filterCryptocurrencyAll && transferDetail.cryptoSymbol != filterCryptocurrency)
continue
// // Filter by fiat amount
// if (!filterFiatAmountAll && (transferDetail.fiatAmount < filterFromFiatAmount || transferDetail.fiatAmount > filterToFiatAmount))
// continue
// Filter by search query
val text = (transferDetail.from ?: "").toLowerCase() + (transferDetail.to ?: "").toLowerCase()
if (text.contains(filterQuery, ignoreCase = true)) {
filteredTransfersDetails.add(transferDetail)
}
}
// Replaces the list of TransferDetail items with the new filtered list
transfersDetailsAdapter.replaceAll(filteredTransfersDetails)
if (scrollToTop)
rvTransactions.scrollToPosition(0)
}
}