Refactor FilterScreen dialog to Compose, animateItemPlacement

app/src/main/kotlin/com/hippo/ehviewer/ui/settings/FilterScreen.kt

@@ -1,8 +1,5 @@
 package com.hippo.ehviewer.ui.settings
 
-import android.content.DialogInterface
-import android.view.View
-import androidx.appcompat.app.AlertDialog
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
@@ -14,30 +11,43 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.text.KeyboardOptions
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.ArrowBack
 import androidx.compose.material.icons.automirrored.filled.Help
 import androidx.compose.material.icons.filled.Add
 import androidx.compose.material.icons.filled.Delete
 import androidx.compose.material.icons.filled.FilterAlt
+import androidx.compose.material.icons.filled.Info
+import androidx.compose.material3.AlertDialog
 import androidx.compose.material3.Checkbox
+import androidx.compose.material3.DropdownMenuItem
+import androidx.compose.material3.ExposedDropdownMenuBox
+import androidx.compose.material3.ExposedDropdownMenuDefaults
 import androidx.compose.material3.FloatingActionButton
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
 import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
 import androidx.compose.material3.TopAppBar
 import androidx.compose.material3.TopAppBarDefaults
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.currentRecomposeScope
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.input.nestedscroll.nestedScroll
 import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringArrayResource
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.input.ImeAction
 import androidx.compose.ui.unit.dp
 import com.hippo.ehviewer.R
 import com.hippo.ehviewer.client.EhFilter
@@ -46,14 +56,12 @@ import com.hippo.ehviewer.client.EhFilter.remember
 import com.hippo.ehviewer.client.EhFilter.trigger
 import com.hippo.ehviewer.dao.Filter
 import com.hippo.ehviewer.dao.FilterMode
-import com.hippo.ehviewer.databinding.DialogAddFilterBinding
 import com.hippo.ehviewer.ui.legacy.BaseDialogBuilder
 import com.hippo.ehviewer.ui.tools.Deferred
 import com.hippo.ehviewer.ui.tools.LocalDialogState
 import com.ramcosta.composedestinations.annotation.Destination
 import com.ramcosta.composedestinations.navigation.DestinationsNavigator
-import eu.kanade.tachiyomi.util.lang.withUIContext
-import kotlinx.coroutines.Dispatchers
+import kotlin.coroutines.resume
 import kotlinx.coroutines.async
 import kotlinx.coroutines.launch
 import moe.tarsin.coroutines.groupByToObserved
@@ -62,36 +70,110 @@ import moe.tarsin.coroutines.groupByToObserved
 @Composable
 fun FilterScreen(navigator: DestinationsNavigator) {
     val context = LocalContext.current
-    val scope = rememberCoroutineScope { Dispatchers.IO }
+    val scope = rememberCoroutineScope()
     val scrollBehavior = TopAppBarDefaults.pinnedScrollBehavior()
     val allFilterMap = remember { scope.async { EhFilter.filters.await().groupByToObserved { it.mode } } }
     val dialogState = LocalDialogState.current
-    class AddFilterDialogHelper(private val dialog: AlertDialog) : View.OnClickListener {
-        private val mArray = dialog.context.resources.getStringArray(R.array.filter_entries)
-        private val binding = DialogAddFilterBinding.bind(dialog.findViewById(R.id.base)!!)
-        init {
-            dialog.getButton(DialogInterface.BUTTON_POSITIVE)!!.setOnClickListener(this)
-        }
-        override fun onClick(v: View) {
-            binding.textInputLayout.run {
-                val text = editText!!.text.toString().trim()
-                if (text.isBlank()) {
-                    error = context.getString(R.string.text_is_empty)
-                    return
-                } else {
+    val textIsEmpty = stringResource(R.string.text_is_empty)
+    val labelExist = stringResource(R.string.label_text_exist)
+
+    fun addFilter() {
+        scope.launch {
+            dialogState.dialog { cont ->
+                val types = stringArrayResource(id = R.array.filter_entries)
+                var type by remember { mutableStateOf(types[0]) }
+                var value by remember { mutableStateOf("") }
+                var error by remember { mutableStateOf<String?>(null) }
+                fun invalidateAndSave() {
+                    if (value.isBlank()) {
+                        error = textIsEmpty
+                        return
+                    }
                     error = null
-                }
-                val modeText = binding.spinner.editText!!.text.toString()
-                val mode = FilterMode.entries[mArray.indexOf(modeText)]
-                val filter = Filter(mode, text)
-                filter.remember {
-                    if (it) {
-                        post { dialog.dismiss() }
-                        requireNotNull(allFilterMap.getCompleted()[mode]).add(filter)
-                    } else {
-                        post { error = context.getString(R.string.label_text_exist) }
+                    val mode = FilterMode.entries[types.indexOf(type)]
+                    val filter = Filter(mode, value)
+                    filter.remember {
+                        if (it) {
+                            cont.resume(Unit)
+                            requireNotNull(allFilterMap.getCompleted()[mode]).add(filter)
+                        } else {
+                            error = labelExist
+                        }
                     }
                 }
+                AlertDialog(
+                    onDismissRequest = { cont.cancel() },
+                    confirmButton = {
+                        TextButton(onClick = ::invalidateAndSave) {
+                            Text(text = stringResource(id = R.string.add))
+                        }
+                    },
+                    dismissButton = {
+                        TextButton(onClick = { cont.cancel() }) {
+                            Text(text = stringResource(id = android.R.string.cancel))
+                        }
+                    },
+                    title = {
+                        Text(text = stringResource(id = R.string.add_filter))
+                    },
+                    text = {
+                        var expanded by remember { mutableStateOf(false) }
+                        Column {
+                            ExposedDropdownMenuBox(
+                                expanded = expanded,
+                                onExpandedChange = { expanded = !expanded },
+                            ) {
+                                OutlinedTextField(
+                                    modifier = Modifier.menuAnchor(),
+                                    readOnly = true,
+                                    value = type,
+                                    onValueChange = {},
+                                    label = {
+                                        Text(text = stringResource(id = R.string.filter_label))
+                                    },
+                                    trailingIcon = { ExposedDropdownMenuDefaults.TrailingIcon(expanded = expanded) },
+                                    colors = ExposedDropdownMenuDefaults.outlinedTextFieldColors(),
+                                )
+                                ExposedDropdownMenu(
+                                    expanded = expanded,
+                                    onDismissRequest = { expanded = false },
+                                ) {
+                                    types.forEach {
+                                        DropdownMenuItem(
+                                            text = { Text(text = it) },
+                                            onClick = {
+                                                expanded = false
+                                                type = it
+                                            },
+                                            contentPadding = ExposedDropdownMenuDefaults.ItemContentPadding,
+                                        )
+                                    }
+                                }
+                            }
+                            Spacer(modifier = Modifier.size(16.dp))
+                            val isError = error != null
+                            OutlinedTextField(
+                                value = value,
+                                onValueChange = { value = it },
+                                label = { Text(text = stringResource(id = R.string.filter_text)) },
+                                supportingText = { error?.let { Text(text = it) } },
+                                trailingIcon = {
+                                    if (isError) {
+                                        Icon(
+                                            imageVector = Icons.Filled.Info,
+                                            contentDescription = null,
+                                        )
+                                    }
+                                },
+                                isError = isError,
+                                maxLines = 1,
+                                keyboardOptions = KeyboardOptions(
+                                    imeAction = ImeAction.Done,
+                                ),
+                            )
+                        }
+                    },
+                )
             }
         }
     }
@@ -114,7 +196,7 @@ fun FilterScreen(navigator: DestinationsNavigator) {
             )
         },
         floatingActionButton = {
-            FloatingActionButton(onClick = { AddFilterDialogHelper(BaseDialogBuilder(context).setTitle(R.string.add_filter).setView(R.layout.dialog_add_filter).setPositiveButton(R.string.add, null).setNegativeButton(android.R.string.cancel, null).show()) }) {
+            FloatingActionButton(onClick = ::addFilter) {
                 Icon(imageVector = Icons.Default.Add, contentDescription = null)
             }
         },
@@ -135,18 +217,18 @@ fun FilterScreen(navigator: DestinationsNavigator) {
                         FilterMode.COMMENT -> R.string.filter_comment
                     }
                     if (filters.isNotEmpty()) {
-                        stickyHeader {
+                        stickyHeader(key = filterMode) {
                             Text(
                                 text = stringResource(id = title),
-                                modifier = Modifier.padding(horizontal = 24.dp, vertical = 8.dp),
+                                modifier = Modifier.padding(horizontal = 24.dp, vertical = 8.dp).animateItemPlacement(),
                                 color = MaterialTheme.colorScheme.tertiary,
                                 style = MaterialTheme.typography.titleMedium,
                             )
                         }
-                        items(filters) { filter ->
+                        items(filters, key = { requireNotNull(it.id) }) { filter ->
                             val filterCheckBoxRecomposeScope = currentRecomposeScope
                             Row(
-                                modifier = Modifier.fillMaxWidth().clickable { filter.trigger { filterCheckBoxRecomposeScope.invalidate() } },
+                                modifier = Modifier.fillMaxWidth().animateItemPlacement().clickable { filter.trigger { filterCheckBoxRecomposeScope.invalidate() } },
                                 verticalAlignment = Alignment.CenterVertically,
                             ) {
                                 Checkbox(
@@ -161,9 +243,7 @@ fun FilterScreen(navigator: DestinationsNavigator) {
                                                 Text(text = stringResource(id = R.string.delete_filter, filter.text))
                                             }
                                             filter.forget {
-                                                withUIContext {
-                                                    filters.remove(filter)
-                                                }
+                                                filters.remove(filter)
                                             }
                                         }
                                     },

app/src/main/res/layout/dialog_add_filter.xml

@@ -1,61 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:id="@+id/base"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:orientation="vertical"
-    android:paddingHorizontal="?attr/dialogPreferredPadding"
-    android:paddingTop="@dimen/abc_dialog_padding_top_material">
-
-    <com.google.android.material.textfield.TextInputLayout
-        android:id="@+id/spinner"
-        style="@style/Widget.Material3.TextInputLayout.OutlinedBox.ExposedDropdownMenu"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:hint="@string/filter_label">
-
-        <AutoCompleteTextView
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:inputType="none"
-            android:text="@string/filter_title"
-            app:simpleItems="@array/filter_entries" />
-
-    </com.google.android.material.textfield.TextInputLayout>
-
-    <com.google.android.material.textfield.TextInputLayout
-        android:id="@+id/text_input_layout"
-        style="@style/Widget.Material3.TextInputLayout.OutlinedBox"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center_horizontal"
-        android:layout_marginTop="16dp"
-        android:hint="@string/filter_text">
-
-        <com.google.android.material.textfield.TextInputEditText
-            android:id="@+id/edit_text"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:imeOptions="actionDone"
-            android:inputType="text"
-            android:maxLines="1"
-            android:singleLine="true" />
-
-    </com.google.android.material.textfield.TextInputLayout>
-</LinearLayout>