FilterProfilesFragment: Add rename and delete buttons + undo function

app/src/main/java/net/vonforst/evmap/adapter/FilterProfilesAdapter.kt

@@ -1,16 +1,23 @@
 package net.vonforst.evmap.adapter
 
+import android.annotation.SuppressLint
 import android.view.MotionEvent
+import android.view.animation.AccelerateInterpolator
 import androidx.recyclerview.widget.ItemTouchHelper
 import net.vonforst.evmap.R
 import net.vonforst.evmap.databinding.ItemFilterProfileBinding
 import net.vonforst.evmap.storage.FilterProfile
 
-class FilterProfilesAdapter(val dragHelper: ItemTouchHelper) : DataBindingAdapter<FilterProfile>() {
+class FilterProfilesAdapter(
+    val dragHelper: ItemTouchHelper,
+    val onDelete: (FilterProfile) -> Unit,
+    val onRename: (FilterProfile) -> Unit
+) : DataBindingAdapter<FilterProfile>() {
     init {
         setHasStableIds(true)
     }
 
+    @SuppressLint("ClickableViewAccessibility")
     override fun bind(
         holder: ViewHolder<FilterProfile>,
         item: FilterProfile
@@ -24,6 +31,20 @@ class FilterProfilesAdapter(val dragHelper: ItemTouchHelper) : DataBindingAdapte
             }
             false
         }
+        binding.foreground.translationX = 0f
+        binding.btnDelete.setOnClickListener {
+            binding.foreground.animate()
+                .translationX(binding.foreground.width.toFloat())
+                .setDuration(250)
+                .setInterpolator(AccelerateInterpolator())
+                .withEndAction {
+                    onDelete(item)
+                }
+                .start()
+        }
+        binding.btnRename.setOnClickListener {
+            onRename(item)
+        }
     }
 
     override fun getItemId(position: Int): Long {

app/src/main/java/net/vonforst/evmap/fragment/FilterFragment.kt

@@ -1,14 +1,7 @@
 package net.vonforst.evmap.fragment
 
-import android.content.Context
-import android.content.DialogInterface
 import android.os.Bundle
 import android.view.*
-import android.view.inputmethod.EditorInfo
-import android.view.inputmethod.InputMethodManager
-import android.widget.EditText
-import android.widget.FrameLayout
-import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.widget.Toolbar
 import androidx.databinding.DataBindingUtil
@@ -24,6 +17,7 @@ import net.vonforst.evmap.MapsActivity
 import net.vonforst.evmap.R
 import net.vonforst.evmap.adapter.FiltersAdapter
 import net.vonforst.evmap.databinding.FragmentFilterBinding
+import net.vonforst.evmap.ui.showEditTextDialog
 import net.vonforst.evmap.viewmodel.FilterViewModel
 import net.vonforst.evmap.viewmodel.viewModelFactory
 
@@ -96,54 +90,22 @@ class FilterFragment : Fragment() {
                 true
             }
             R.id.menu_save_profile -> {
-                val container = FrameLayout(requireContext())
-                container.setPadding(
-                    (16 * resources.displayMetrics.density).toInt(), 0,
-                    (16 * resources.displayMetrics.density).toInt(), 0
-                )
-                val input = EditText(requireContext())
-                input.isSingleLine = true
-                vm.filterProfile.value?.let { profile ->
-                    input.setText(profile.name)
-                }
-                container.addView(input)
-
-                val dialog = AlertDialog.Builder(requireContext())
-                    .setTitle(R.string.save_as_profile)
-                    .setMessage(R.string.save_profile_enter_name)
-                    .setView(container)
-                    .setPositiveButton(R.string.ok) { di, button ->
-                        lifecycleScope.launch {
-                            vm.saveAsProfile(input.text.toString())
-                            findNavController().popBackStack()
-                        }
+                showEditTextDialog(requireContext()) { dialog, input ->
+                    vm.filterProfile.value?.let { profile ->
+                        input.setText(profile.name)
                     }
-                    .setNegativeButton(R.string.cancel) { di, button ->
 
-                    }.show()
-
-                // move dialog to top
-                val attrs = dialog.window?.attributes?.apply {
-                    gravity = Gravity.TOP
-                }
-                dialog.window?.attributes = attrs
-
-                // focus and show keyboard
-                input.requestFocus()
-                input.postDelayed({
-                    val imm =
-                        requireContext().getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
-                    imm.showSoftInput(input, InputMethodManager.SHOW_IMPLICIT)
-                }, 100)
-                input.setOnEditorActionListener { _, actionId, event ->
-                    if (actionId == EditorInfo.IME_ACTION_DONE) {
-                        val text = input.text
-                        if (text != null) {
-                            dialog.getButton(DialogInterface.BUTTON_POSITIVE).performClick()
-                            return@setOnEditorActionListener true
+                    dialog.setTitle(R.string.save_as_profile)
+                        .setMessage(R.string.save_profile_enter_name)
+                        .setPositiveButton(R.string.ok) { di, button ->
+                            lifecycleScope.launch {
+                                vm.saveAsProfile(input.text.toString())
+                                findNavController().popBackStack()
+                            }
+                        }
+                        .setNegativeButton(R.string.cancel) { di, button ->
+
                         }
-                    }
-                    false
                 }
                 true
             }

app/src/main/java/net/vonforst/evmap/fragment/FilterProfilesFragment.kt

@@ -11,18 +11,23 @@ import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.widget.Toolbar
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.viewModels
+import androidx.lifecycle.lifecycleScope
 import androidx.navigation.fragment.findNavController
 import androidx.navigation.ui.setupWithNavController
 import androidx.recyclerview.widget.DividerItemDecoration
 import androidx.recyclerview.widget.ItemTouchHelper
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
+import com.google.android.material.snackbar.Snackbar
+import kotlinx.coroutines.launch
 import net.vonforst.evmap.MapsActivity
 import net.vonforst.evmap.R
 import net.vonforst.evmap.adapter.DataBindingAdapter
 import net.vonforst.evmap.adapter.FilterProfilesAdapter
 import net.vonforst.evmap.databinding.FragmentFilterProfilesBinding
 import net.vonforst.evmap.databinding.ItemFilterProfileBinding
+import net.vonforst.evmap.storage.FilterProfile
+import net.vonforst.evmap.ui.showEditTextDialog
 import net.vonforst.evmap.viewmodel.FilterProfilesViewModel
 import net.vonforst.evmap.viewmodel.viewModelFactory
 
@@ -34,6 +39,7 @@ class FilterProfilesFragment : Fragment() {
             FilterProfilesViewModel(requireActivity().application)
         }
     })
+    private var deleteSnackbar: Snackbar? = null
 
     override fun onCreateView(
         inflater: LayoutInflater,
@@ -86,7 +92,8 @@ class FilterProfilesFragment : Fragment() {
             }
 
             override fun onSwiped(viewHolder: RecyclerView.ViewHolder, direction: Int) {
-                vm.delete(viewHolder.itemId)
+                val fp = vm.filterProfiles.value?.find { it.id == viewHolder.itemId }
+                fp?.let { delete(it) }
             }
 
             override fun onSelectedChanged(viewHolder: RecyclerView.ViewHolder?, actionState: Int) {
@@ -166,7 +173,24 @@ class FilterProfilesFragment : Fragment() {
             }
         })
 
-        val adapter = FilterProfilesAdapter(touchHelper)
+        val adapter = FilterProfilesAdapter(touchHelper, onDelete = { fp ->
+            delete(fp)
+        }, onRename = { fp ->
+            showEditTextDialog(requireContext()) { dialog, input ->
+                input.setText(fp.name)
+
+                dialog.setTitle(R.string.rename)
+                    .setMessage(R.string.save_profile_enter_name)
+                    .setPositiveButton(R.string.ok) { di, button ->
+                        lifecycleScope.launch {
+                            vm.insert(fp.copy(name = input.text.toString()))
+                        }
+                    }
+                    .setNegativeButton(R.string.cancel) { di, button ->
+
+                    }
+            }
+        })
         binding.filterProfilesList.apply {
             this.adapter = adapter
             layoutManager =
@@ -184,4 +208,21 @@ class FilterProfilesFragment : Fragment() {
             findNavController().popBackStack()
         }
     }
+
+    fun delete(fp: FilterProfile) {
+        vm.delete(fp.id)
+
+        deleteSnackbar?.dismiss()
+        view?.let {
+            val snackbar = Snackbar.make(
+                it,
+                getString(R.string.deleted_filterprofile, fp.name),
+                Snackbar.LENGTH_LONG
+            ).setAction(R.string.undo) {
+                vm.insert(fp.copy(id = 0))
+            }
+            deleteSnackbar = snackbar
+            snackbar.show()
+        }
+    }
 }

app/src/main/java/net/vonforst/evmap/ui/Dialogs.kt

@@ -0,0 +1,63 @@
+package net.vonforst.evmap.ui
+
+import android.content.Context
+import android.content.DialogInterface
+import android.view.Gravity
+import android.view.View
+import android.view.inputmethod.EditorInfo
+import android.view.inputmethod.InputMethodManager
+import android.widget.EditText
+import android.widget.FrameLayout
+import androidx.appcompat.app.AlertDialog
+
+private fun dialogEditText(ctx: Context): Pair<View, EditText> {
+    val container = FrameLayout(ctx)
+    container.setPadding(
+        (16 * ctx.resources.displayMetrics.density).toInt(), 0,
+        (16 * ctx.resources.displayMetrics.density).toInt(), 0
+    )
+    val input = EditText(ctx)
+    input.isSingleLine = true
+    container.addView(input)
+    return container to input
+}
+
+fun showEditTextDialog(
+    ctx: Context,
+    customize: (AlertDialog.Builder, EditText) -> Unit
+): AlertDialog {
+    val (container, input) = dialogEditText(ctx)
+    val dialogBuilder = AlertDialog.Builder(ctx)
+        .setView(container)
+
+    customize(dialogBuilder, input)
+
+    val dialog = dialogBuilder.show()
+
+
+    // move dialog to top
+    val attrs = dialog.window?.attributes?.apply {
+        gravity = Gravity.TOP
+    }
+    dialog.window?.attributes = attrs
+
+    // focus and show keyboard
+    input.requestFocus()
+    input.postDelayed({
+        val imm =
+            ctx.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
+        imm.showSoftInput(input, InputMethodManager.SHOW_IMPLICIT)
+    }, 100)
+    input.setOnEditorActionListener { _, actionId, _ ->
+        if (actionId == EditorInfo.IME_ACTION_DONE) {
+            val text = input.text
+            val button = dialog.getButton(DialogInterface.BUTTON_POSITIVE)
+            if (text != null && button != null) {
+                button.performClick()
+                return@setOnEditorActionListener true
+            }
+        }
+        false
+    }
+    return dialog
+}

app/src/main/java/net/vonforst/evmap/viewmodel/FilterProfilesViewModel.kt

@@ -27,6 +27,12 @@ class FilterProfilesViewModel(application: Application) : AndroidViewModel(appli
         }
     }
 
+    fun insert(item: FilterProfile) {
+        viewModelScope.launch {
+            db.filterProfileDao().insert(item)
+        }
+    }
+
     fun reorderProfiles(list: List<FilterProfile>) {
         viewModelScope.launch {
             db.filterProfileDao().update(*list.toTypedArray())