feat: 优化分类列表项和编辑器页面的显示效果

优化语言表述
优化添加重复分类时的处理方案

app/src/main/kotlin/cn/super12138/todo/ui/pages/editor/TodoEditorPage.kt

@@ -80,7 +80,7 @@ fun TodoEditorPage(
             )
         } + ChipItem(id = -1, name = "自定义")
 
-    var defaultIndex by remember { mutableIntStateOf(0) }
+    var defaultIndex by remember { mutableIntStateOf(-1) }
     LaunchedEffect(originalCategories, toDo) {
         if (originalCategories.isEmpty()) return@LaunchedEffect
         if (toDo == null) {

app/src/main/kotlin/cn/super12138/todo/ui/pages/editor/components/TodoCategoryChip.kt

@@ -1,15 +1,14 @@
 package cn.super12138.todo.ui.pages.editor.components
 
-import androidx.compose.animation.AnimatedContent
-import androidx.compose.animation.core.tween
-import androidx.compose.animation.fadeIn
-import androidx.compose.animation.fadeOut
-import androidx.compose.animation.togetherWith
-import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.style.TextAlign
+import cn.super12138.todo.R
 import cn.super12138.todo.ui.components.ChipItem
 import cn.super12138.todo.ui.components.FilterChipGroup
 
@@ -21,21 +20,23 @@ fun TodoCategoryChip(
     isLoading: Boolean = false,
     onCategorySelected: (Int) -> Unit
 ) {
-    Box(modifier = modifier.fillMaxWidth()) {
-        AnimatedContent(
-            targetState = isLoading,
-            transitionSpec = { fadeIn(tween(100)) togetherWith fadeOut(tween(100)) }
-        ) {
-            if (it) {
-                CircularProgressIndicator()
-            } else {
-                FilterChipGroup(
-                    modifier = Modifier,
-                    items = items,
-                    defaultSelectedItemIndex = defaultSelectedItemIndex,
-                    onSelectedChanged = onCategorySelected
-                )
-            }
+    Column(modifier = modifier.fillMaxWidth()) {
+        if (isLoading) {
+            Text(
+                text = stringResource(R.string.tip_no_category_chip),
+                style = MaterialTheme.typography.labelLarge.copy(
+                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                ),
+                textAlign = TextAlign.Center,
+                modifier = Modifier.fillMaxWidth(),
+            )
         }
+
+        FilterChipGroup(
+            modifier = Modifier,
+            items = items,
+            defaultSelectedItemIndex = defaultSelectedItemIndex,
+            onSelectedChanged = onCategorySelected
+        )
     }
 }

app/src/main/kotlin/cn/super12138/todo/ui/pages/editor/state/EditorState.kt

@@ -13,7 +13,7 @@ import cn.super12138.todo.logic.database.TodoEntity
 class EditorState(val initialTodo: TodoEntity? = null) {
     var toDoContent by mutableStateOf(initialTodo?.content ?: "")
     var isErrorContent by mutableStateOf(false)
-    var selectedCategoryIndex by mutableIntStateOf(0)
+    var selectedCategoryIndex by mutableIntStateOf(-1)
     var categoryContent by mutableStateOf(initialTodo?.category ?: "")
     var isErrorCategory by mutableStateOf(false)
     var priorityState by mutableFloatStateOf(initialTodo?.priority ?: 0f)

app/src/main/kotlin/cn/super12138/todo/ui/pages/settings/SettingsDataCategory.kt

@@ -1,6 +1,11 @@
 package cn.super12138.todo.ui.pages.settings
 
+import androidx.compose.animation.core.Spring
+import androidx.compose.animation.core.VisibilityThreshold
+import androidx.compose.animation.core.spring
+import androidx.compose.animation.core.tween
 import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
@@ -8,6 +13,7 @@ import androidx.compose.foundation.lazy.rememberLazyListState
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.outlined.Add
 import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.SnackbarHost
 import androidx.compose.material3.SnackbarHostState
 import androidx.compose.material3.Text
@@ -23,8 +29,9 @@ import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.input.nestedscroll.nestedScroll
-import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.IntOffset
 import cn.super12138.todo.R
 import cn.super12138.todo.logic.datastore.DataStoreManager
 import cn.super12138.todo.ui.components.AnimatedExtendedFloatingActionButton
@@ -44,7 +51,6 @@ fun SettingsDataCategory(
     val snackbarHostState = remember { SnackbarHostState() }
     val scope = rememberCoroutineScope()
     val listState = rememberLazyListState()
-    val context = LocalContext.current
 
     var showDialog by rememberSaveable { mutableStateOf(false) }
     val categories by DataStoreManager.categoriesFlow.collectAsState(initial = emptyList())
@@ -74,18 +80,28 @@ fun SettingsDataCategory(
         ) {
             if (categories.isEmpty()) {
                 item {
-                    Text("空")
+                    Text(
+                        text = stringResource(R.string.tip_no_category_page),
+                        style = MaterialTheme.typography.bodyLarge,
+                        textAlign = TextAlign.Center,
+                        modifier = Modifier.fillMaxWidth(),
+                    )
                 }
             } else {
                 items(items = categories, key = { it }) {
                     CategoryItem(
                         name = it,
                         onDelete = { it ->
-                            scope.launch {
-                                DataStoreManager.setCategories(categories - it)
-                            }
+                            scope.launch { DataStoreManager.setCategories(categories - it) }
                         },
-                        modifier = Modifier.animateItem()
+                        modifier = Modifier.animateItem(
+                            fadeInSpec = tween(100),
+                            placementSpec = spring(
+                                stiffness = Spring.StiffnessMediumLow,
+                                visibilityThreshold = IntOffset.VisibilityThreshold
+                            ),
+                            fadeOutSpec = tween(100)
+                        )
                     )
                 }
             }
@@ -102,9 +118,12 @@ fun SettingsDataCategory(
                 }
             } else {
                 scope.launch {
-                    snackbarHostState.showSnackbar(
+                    /*snackbarHostState.showSnackbar(
                         message = context.getString(R.string.error_category_duplicate)
-                    )
+                    )*/
+                    // 调换分类位置
+                    val tempList = categories - it
+                    DataStoreManager.setCategories(tempList + it)
                 }
             }
         },

app/src/main/kotlin/cn/super12138/todo/ui/pages/settings/components/category/CategoryItem.kt

@@ -1,5 +1,6 @@
 package cn.super12138.todo.ui.pages.settings.components.category
 
+import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
@@ -36,7 +37,7 @@ fun CategoryItem(
             .clip(MaterialTheme.shapes.large)
             .padding(
                 horizontal = TodoDefaults.settingsItemHorizontalPadding,
-                vertical = TodoDefaults.settingsItemVerticalPadding
+                vertical = TodoDefaults.settingsItemVerticalPadding / 2
             ),
         verticalAlignment = Alignment.CenterVertically
     ) {
@@ -44,9 +45,8 @@ fun CategoryItem(
             text = name,
             maxLines = 1,
             overflow = TextOverflow.Ellipsis,
-            style = MaterialTheme.typography.titleLarge.copy(
+            style = MaterialTheme.typography.bodyLarge.copy(
                 color = MaterialTheme.colorScheme.onSurface,
-                fontSize = 20.sp
             ),
             modifier = Modifier.weight(1f)
         )

app/src/main/res/values-zh-rCN/strings.xml

@@ -29,7 +29,7 @@
     <string name="pref_developer">开发者</string>
     <string name="pref_licence">开放源代码许可</string>
     <string name="pref_licence_desc">查看应用使用的开源库及其许可</string>
-    <string name="label_category">类别</string>
+    <string name="label_category">分类</string>
     <string name="priority_not_urgent">不紧急</string>
     <string name="priority_not_important">不重要</string>
     <string name="priority_default">默认</string>
@@ -72,7 +72,7 @@
     <string name="pref_view_on_github_desc">查看源代码、提交错误报告和改进建议</string>
     <string name="tip_discard_changes">退出编辑后将无法找回你修改过的数据。确定退出编辑吗？</string>
     <string name="sorting_sequential">添加先后顺序</string>
-    <string name="sorting_category">类别</string>
+    <string name="sorting_category">分类</string>
     <string name="sorting_priority">优先级</string>
     <string name="sorting_completion">完成状态</string>
     <string name="sorting_alphabetical_ascending">首字母（升序）</string>
@@ -96,16 +96,18 @@
     <string name="pref_secure_mode">安全模式</string>
     <string name="pref_secure_mode_desc">阻止截屏并保护后台预览图</string>
     <string name="label_more">更多</string>
-    <string name="label_enter_category_name">输入类别名称</string>
+    <string name="label_enter_category_name">输入分类名称</string>
     <string name="accessibility_progress_tasks">当前共有 %1$d 项任务，其中 %2$d 项已完成，%3$d 项未完成</string>
     <string name="accessibility_progress_no_tasks">当前没有任务</string>
-    <string name="pref_category_category_management">类别管理</string>
+    <string name="pref_category_category_management">分类管理</string>
     <string name="pref_category_data_management">数据管理</string>
-    <string name="pref_category_management_desc">管理任务的类别标签</string>
-    <string name="action_add_category">添加类别</string>
+    <string name="pref_category_management_desc">管理任务的分类标签</string>
+    <string name="action_add_category">添加分类</string>
     <string name="label_enter_sth">输入内容</string>
     <string name="tip_max_length_5">不超过 5 个字</string>
     <string name="error_exceeds_5_chars">超过 5 个字</string>
-    <string name="tip_enter_category">输入你想添加的类别</string>
-    <string name="error_category_duplicate">该类别已经存在</string>
+    <string name="tip_enter_category">输入你想添加的分类名称</string>
+    <!--<string name="error_category_duplicate">该分类已经存在</string>-->
+    <string name="tip_no_category_chip">当前暂无自定义分类，你可以在设置中添加分类</string>
+    <string name="tip_no_category_page">当前暂无自定义分类</string>
 </resources>

app/src/main/res/values/strings.xml

@@ -108,5 +108,7 @@
     <string name="tip_max_length_5">Up to 5 characters</string>
     <string name="error_exceeds_5_chars">Exceeds 5 characters</string>
     <string name="tip_enter_category">Enter the category you want to add</string>
-    <string name="error_category_duplicate">The category is duplicate</string>
+    <!--<string name="error_category_duplicate">The category is duplicate</string>-->
+    <string name="tip_no_category_chip">There are currently no custom categories. You can add categories in the settings.</string>
+    <string name="tip_no_category_page">There are no custom categories at the moment.</string>
 </resources>