feat: 支持设置任务优先级

app/src/main/kotlin/cn/super12138/todo/logic/database/TodoEntity.kt

@@ -9,5 +9,6 @@ data class TodoEntity(
     @ColumnInfo(name = "content") val content: String,
     @ColumnInfo(name = "subject") val subject: Int,
     @ColumnInfo(name = "completed") val isCompleted: Boolean = false,
+    @ColumnInfo(name = "priority") val priority: Float,
     @PrimaryKey(autoGenerate = true) @ColumnInfo(name = "id") val id: Int = 0,
 )

app/src/main/kotlin/cn/super12138/todo/ui/components/ChipGroup.kt

@@ -56,7 +56,7 @@ fun FilterChipGroup(
                 label = {
                     Text(item)
                 },
-                modifier = Modifier.padding(horizontal = 5.dp)
+                modifier = Modifier.padding(end = 10.dp)
             )
         }
     }

app/src/main/kotlin/cn/super12138/todo/ui/components/FloatingActionButton.kt

@@ -8,9 +8,11 @@ import androidx.compose.foundation.layout.width
 import androidx.compose.material3.FloatingActionButton
 import androidx.compose.material3.FloatingActionButtonDefaults
 import androidx.compose.material3.FloatingActionButtonElevation
+import androidx.compose.material3.contentColorFor
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.unit.dp
 
 /**
@@ -28,14 +30,18 @@ import androidx.compose.ui.unit.dp
 fun AnimatedExtendedFloatingActionButton(
     icon: @Composable () -> Unit,
     text: @Composable () -> Unit,
-    elevation: FloatingActionButtonElevation = FloatingActionButtonDefaults.elevation(),
     expanded: Boolean,
+    containerColor: Color = FloatingActionButtonDefaults.containerColor,
+    contentColor: Color = contentColorFor(containerColor),
+    elevation: FloatingActionButtonElevation = FloatingActionButtonDefaults.elevation(),
     onClick: () -> Unit,
     modifier: Modifier = Modifier
 ) {
     FloatingActionButton(
         onClick = onClick,
         elevation = elevation,
+        containerColor = containerColor,
+        contentColor = contentColor,
         modifier = modifier
     ) {
         Row(

app/src/main/kotlin/cn/super12138/todo/ui/components/Scaffolds.kt

@@ -4,6 +4,8 @@ import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.RowScope
 import androidx.compose.foundation.layout.WindowInsets
+import androidx.compose.foundation.layout.exclude
+import androidx.compose.foundation.layout.ime
 import androidx.compose.foundation.layout.safeContent
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.outlined.ArrowBack
@@ -41,7 +43,7 @@ fun LargeTopAppBarScaffold(
     snackbarHost: @Composable () -> Unit = {},
     floatingActionButton: @Composable () -> Unit = {},
     floatingActionButtonPosition: FabPosition = FabPosition.End,
-    contentWindowInsets: WindowInsets = WindowInsets.safeContent,
+    contentWindowInsets: WindowInsets = WindowInsets.safeContent.exclude(WindowInsets.ime),
     modifier: Modifier = Modifier,
     content: @Composable (PaddingValues) -> Unit
 ) {
@@ -62,6 +64,8 @@ fun LargeTopAppBarScaffold(
             }
         },
         scrollBehavior = scrollBehavior,
+        floatingActionButton = floatingActionButton,
+        floatingActionButtonPosition = floatingActionButtonPosition,
         contentWindowInsets = contentWindowInsets
     ) { innerPadding ->
         Box { content(innerPadding) }

app/src/main/kotlin/cn/super12138/todo/ui/navigation/TodoNavigation.kt

@@ -62,6 +62,7 @@ fun TodoNavigation(
                 toDo = viewModel.selectedEditTodo,
                 onSave = {
                     viewModel.addTodo(it)
+                    viewModel.setEditTodoItem(null)
                     navController.navigateUp()
                 },
                 onDelete = {
@@ -72,8 +73,8 @@ fun TodoNavigation(
                     navController.navigateUp()
                 },
                 onNavigateUp = {
-                    viewModel.setEditTodoItem(null)
                     navController.navigateUp()
+                    viewModel.setEditTodoItem(null)
                 }
             )
         }

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

@@ -1,6 +1,8 @@
 package cn.super12138.todo.ui.pages.editor
 
+import androidx.activity.compose.BackHandler
 import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.foundation.interaction.MutableInteractionSource
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
@@ -9,17 +11,26 @@ import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.sizeIn
+import androidx.compose.foundation.layout.wrapContentWidth
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.verticalScroll
-import androidx.compose.material3.ButtonColors
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.Delete
+import androidx.compose.material.icons.outlined.Save
 import androidx.compose.material3.ExperimentalMaterial3Api
-import androidx.compose.material3.FilledTonalButton
+import androidx.compose.material3.Icon
+import androidx.compose.material3.Label
 import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.PlainTooltip
+import androidx.compose.material3.Slider
+import androidx.compose.material3.SliderDefaults
 import androidx.compose.material3.Text
 import androidx.compose.material3.TextField
 import androidx.compose.material3.TopAppBarDefaults
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableFloatStateOf
 import androidx.compose.runtime.mutableIntStateOf
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
@@ -28,13 +39,17 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.semantics.contentDescription
+import androidx.compose.ui.semantics.semantics
 import androidx.compose.ui.unit.dp
 import cn.super12138.todo.R
 import cn.super12138.todo.logic.database.TodoEntity
 import cn.super12138.todo.logic.model.Subjects
 import cn.super12138.todo.ui.TodoDefaults
+import cn.super12138.todo.ui.components.AnimatedExtendedFloatingActionButton
 import cn.super12138.todo.ui.components.FilterChipGroup
 import cn.super12138.todo.ui.components.LargeTopAppBarScaffold
+import cn.super12138.todo.ui.pages.main.components.getPriorityString
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
@@ -45,11 +60,65 @@ fun TodoEditorPage(
     onNavigateUp: () -> Unit,
     modifier: Modifier = Modifier
 ) {
+    BackHandler {
+        onNavigateUp()
+    }
     val context = LocalContext.current
     val scrollBehavior = TopAppBarDefaults.exitUntilCollapsedScrollBehavior()
+
+    var text by rememberSaveable { mutableStateOf(toDo?.content ?: "") }
+    var isError by rememberSaveable { mutableStateOf(false) }
+    var selectedItemIndex by rememberSaveable { mutableIntStateOf(toDo?.subject ?: 0) }
+    var sliderPosition by rememberSaveable { mutableFloatStateOf(toDo?.priority ?: 0f) }
+
     LargeTopAppBarScaffold(
         title = stringResource(if (toDo != null) R.string.title_edit_task else R.string.action_add_task),
         scrollBehavior = scrollBehavior,
+        floatingActionButton = {
+            Row(horizontalArrangement = Arrangement.spacedBy(10.dp)) {
+                if (toDo !== null) {
+                    AnimatedExtendedFloatingActionButton(
+                        icon = {
+                            Icon(
+                                imageVector = Icons.Outlined.Delete,
+                                contentDescription = stringResource(R.string.action_delete)
+                            )
+                        },
+                        text = { Text(stringResource(R.string.action_delete)) },
+                        expanded = true,
+                        containerColor = MaterialTheme.colorScheme.errorContainer,
+                        onClick = onDelete
+                    )
+                }
+                AnimatedExtendedFloatingActionButton(
+                    icon = {
+                        Icon(
+                            imageVector = Icons.Outlined.Save,
+                            contentDescription = stringResource(R.string.action_save)
+                        )
+                    },
+                    text = { Text(stringResource(R.string.action_save)) },
+                    expanded = true,
+                    onClick = {
+                        if (text.trim().isEmpty()) {
+                            isError = true
+                            return@AnimatedExtendedFloatingActionButton
+                        }
+
+                        isError = false
+                        onSave(
+                            TodoEntity(
+                                content = text,
+                                subject = selectedItemIndex,
+                                isCompleted = toDo?.isCompleted ?: false,
+                                priority = sliderPosition,
+                                id = toDo?.id ?: 0
+                            )
+                        )
+                    }
+                )
+            }
+        },
         onBack = onNavigateUp,
         modifier = modifier
     ) { innerPadding ->
@@ -60,8 +129,6 @@ fun TodoEditorPage(
                 .fillMaxSize()
                 .verticalScroll(rememberScrollState())
         ) {
-            var text by rememberSaveable { mutableStateOf(toDo?.content ?: "") }
-            var isError by rememberSaveable { mutableStateOf(false) }
             TextField(
                 value = text,
                 onValueChange = { text = it },
@@ -82,11 +149,13 @@ fun TodoEditorPage(
                     it.getDisplayName(context)
                 }
             }
-            var selectedItemIndex by rememberSaveable { mutableIntStateOf(toDo?.subject ?: 0) }
             Text(
                 text = stringResource(R.string.label_subject),
                 style = MaterialTheme.typography.titleMedium
             )
+
+            Spacer(Modifier.size(5.dp))
+
             FilterChipGroup(
                 items = subjects,
                 defaultSelectedItemIndex = toDo?.subject ?: 0,
@@ -96,47 +165,45 @@ fun TodoEditorPage(
                 modifier = Modifier.fillMaxWidth()
             )
 
-            Spacer(Modifier.size(20.dp))
+            Spacer(Modifier.size(10.dp))
 
-            // 操作按钮
+            Text(
-            Row(horizontalArrangement = Arrangement.spacedBy(10.dp)) {
+                text = stringResource(R.string.label_priority),
-                if (toDo !== null) {
+                style = MaterialTheme.typography.titleMedium
-                    FilledTonalButton(
+            )
-                        onClick = {
+
-                            onDelete()
+            Spacer(Modifier.size(5.dp))
+
+            val interactionSource = remember { MutableInteractionSource() }
+
+            Slider(
+                modifier = Modifier.semantics {
+                    contentDescription = context.getString(R.string.label_priority)
+                },
+                value = sliderPosition,
+                onValueChange = { sliderPosition = it },
+                valueRange = -10f..10f,
+                steps = 3,
+                interactionSource = interactionSource,
+                thumb = {
+                    Label(
+                        label = {
+                            PlainTooltip(
+                                modifier = Modifier
+                                    .sizeIn(45.dp, 25.dp)
+                                    .wrapContentWidth()
+                            ) {
+                                Text(stringResource(getPriorityString(sliderPosition)))
+                            }
                         },
-                        colors = ButtonColors(
+                        interactionSource = interactionSource
-                            containerColor = MaterialTheme.colorScheme.errorContainer,
-                            contentColor = MaterialTheme.colorScheme.onErrorContainer,
-                            disabledContainerColor = MaterialTheme.colorScheme.onSurface,
-                            disabledContentColor = MaterialTheme.colorScheme.onSurfaceVariant
-                        )
                     ) {
-                        Text(stringResource(R.string.action_delete))
+                        SliderDefaults.Thumb(interactionSource)
                     }
                 }
-                FilledTonalButton(
+            )
-                    onClick = {
-                        // 文本为空
-                        if (text.trim().isEmpty()) {
-                            isError = true
-                            return@FilledTonalButton
-                        }
 
-                        isError = false
+            Spacer(Modifier.size(40.dp))
-                        onSave(
-                            TodoEntity(
-                                content = text,
-                                subject = selectedItemIndex,
-                                isCompleted = toDo?.isCompleted ?: false,
-                                id = toDo?.id ?: 0
-                            )
-                        )
-                    }
-                ) {
-                    Text(stringResource(R.string.action_save))
-                }
-            }
         }
     }
 }

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

@@ -125,6 +125,7 @@ fun MainPage(
                                     content = content,
                                     subject = subject,
                                     isCompleted = true,
+                                    priority = priority,
                                     id = id
                                 )
                             )
@@ -166,6 +167,7 @@ fun MainPage(
                                     content = content,
                                     subject = subject,
                                     isCompleted = true,
+                                    priority = priority,
                                     id = id
                                 )
                             )

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

@@ -69,10 +69,11 @@ fun ManagerFragment(
                         content = item.content,
                         subject = Subjects.fromId(item.subject).getDisplayName(context),
                         completed = item.isCompleted,
+                        priority = item.priority,
+                        selected = selectedTodoIds.contains(item.id),
                         onCardClick = { onItemClick(item) },
                         onCardLongClick = { onItemLongClick(item) },
                         onChecked = { onItemChecked(item) },
-                        selected = selectedTodoIds.contains(item.id),
                         modifier = Modifier
                             .padding(vertical = 5.dp)
                             .animateItem() // TODO: 设置动画时间

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

@@ -26,8 +26,10 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextDecoration
 import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import cn.super12138.todo.R
 
@@ -37,10 +39,11 @@ fun TodoCard(
     content: String,
     subject: String,
     completed: Boolean,
+    priority: Float,
+    selected: Boolean,
     onCardClick: () -> Unit = {},
     onCardLongClick: () -> Unit = {},
     onChecked: () -> Unit = {},
-    selected: Boolean,
     modifier: Modifier = Modifier
 ) {
     ElevatedCard(
@@ -85,14 +88,27 @@ fun TodoCard(
                     maxLines = 1,
                     overflow = TextOverflow.Ellipsis,
                     textDecoration = if (completed) TextDecoration.LineThrough else TextDecoration.None,
-                    modifier = Modifier.basicMarquee() // TODO: 后续评估性能影响
+                    modifier = Modifier
-                )
+                        .fillMaxWidth()
-                Text(
+                        .basicMarquee() // TODO: 后续评估性能影响
-                    text = subject,
-                    style = MaterialTheme.typography.labelMedium,
-                    textDecoration = if (completed) TextDecoration.LineThrough else TextDecoration.None,
-                    maxLines = 1
                 )
+                Row(
+                    horizontalArrangement = Arrangement.spacedBy(10.dp),
+                    modifier = Modifier.fillMaxWidth()
+                ) {
+                    Text(
+                        text = subject,
+                        style = MaterialTheme.typography.labelMedium,
+                        textDecoration = if (completed) TextDecoration.LineThrough else TextDecoration.None,
+                        maxLines = 1
+                    )
+
+
+                    PriorityText(
+                        priority = priority,
+                        isCompleted = completed
+                    )
+                }
             }
 
             AnimatedVisibility(!selected && !completed) {
@@ -123,4 +139,54 @@ fun TodoCard(
             }*/
         }
     }
+}
+
+@Composable
+fun PriorityText(
+    priority: Float,
+    isCompleted: Boolean,
+    modifier: Modifier = Modifier
+) {
+    Text(
+        text = stringResource(getPriorityString(priority)),
+        style = MaterialTheme.typography.labelMedium.copy(
+            fontWeight = FontWeight.Bold,
+            color = when (priority) {
+                -10f -> MaterialTheme.colorScheme.outline
+                -5f -> MaterialTheme.colorScheme.onSurfaceVariant
+                0f -> MaterialTheme.colorScheme.secondary
+                5f -> MaterialTheme.colorScheme.tertiary
+                10f -> MaterialTheme.colorScheme.onErrorContainer
+                else -> MaterialTheme.colorScheme.secondary
+            }
+        ),
+        textDecoration = if (isCompleted) TextDecoration.LineThrough else TextDecoration.None,
+        maxLines = 1
+    )
+}
+
+fun getPriorityString(priority: Float): Int {
+    return when (priority) {
+        -10f -> R.string.priority_not_urgent
+        -5f -> R.string.priority_not_important
+        0f -> R.string.priority_default
+        5f -> R.string.priority_important
+        10f -> R.string.priority_urgent
+        else -> R.string.priority_default
+    }
+}
+
+@Preview(locale = "zh-rCN", showBackground = true)
+@Composable
+private fun TodoCardPreview() {
+    TodoCard(
+        content = "背《岳阳楼记》《出师表》《琵琶行》",
+        subject = "语文",
+        completed = false,
+        priority = 5f,
+        selected = false,
+        onCardClick = {},
+        onCardLongClick = {},
+        onChecked = {}
+    )
 }

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

@@ -40,4 +40,10 @@
     <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_subject">学科</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>
+    <string name="priority_important">重要</string>
+    <string name="priority_urgent">紧急</string>
+    <string name="label_priority">优先级</string>
 </resources>

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

@@ -41,4 +41,10 @@
     <string name="pref_licence">Open Source Licences</string>
     <string name="pref_licence_desc">Check the open source libraries used by the application and their licences.</string>
     <string name="label_subject">Subject</string>
+    <string name="priority_not_urgent">Not Urgent</string>
+    <string name="priority_not_important">Not Important</string>
+    <string name="priority_default">Default</string>
+    <string name="priority_important">Important</string>
+    <string name="priority_urgent">Urgent</string>
+    <string name="label_priority">Priority</string>
 </resources>