86 lines
No EOL
2.9 KiB
Kotlin
86 lines
No EOL
2.9 KiB
Kotlin
package cn.super12138.todo.utils
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import androidx.compose.foundation.shape.CornerBasedShape
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import androidx.compose.material3.MaterialTheme
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import androidx.compose.runtime.Composable
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import androidx.compose.runtime.Stable
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import androidx.compose.ui.geometry.Offset
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import androidx.compose.ui.geometry.Size
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import androidx.compose.ui.graphics.BlendMode
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import androidx.compose.ui.graphics.Brush
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import androidx.compose.ui.graphics.Color
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import androidx.compose.ui.graphics.drawscope.ContentDrawScope
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import androidx.compose.ui.unit.Dp
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import cn.super12138.todo.logic.model.Priority
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import java.text.SimpleDateFormat
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import java.util.Date
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@Composable
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@Stable
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fun Priority.containerColor(): Color =
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when (this) {
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Priority.NotUrgent -> MaterialTheme.colorScheme.surfaceContainerHighest
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Priority.NotImportant -> MaterialTheme.colorScheme.surfaceContainerHighest
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Priority.Default -> MaterialTheme.colorScheme.secondary
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Priority.Important -> MaterialTheme.colorScheme.tertiary
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Priority.Urgent -> MaterialTheme.colorScheme.error
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}
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/**
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* 获取部分圆角的形状
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*
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* @param topRounded 顶部是否圆角
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* @param bottomRounded 底部是否圆角
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* @param roundedShape 所需圆角形状
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*/
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@Composable
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fun CornerBasedShape.getPartialRoundedShape(
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topRounded: Boolean,
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bottomRounded: Boolean,
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roundedShape: CornerBasedShape
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): CornerBasedShape =
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this.copy(
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topStart = if (topRounded) roundedShape.topStart else this.topStart,
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topEnd = if (topRounded) roundedShape.topEnd else this.topEnd,
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bottomEnd = if (bottomRounded) roundedShape.bottomEnd else this.bottomEnd,
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bottomStart = if (bottomRounded) roundedShape.bottomStart else this.bottomStart,
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)
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/**
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* 绘制渐变边缘遮罩
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*
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* @param edgeWidth 渐变边缘宽度
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* @param maskColor 遮罩颜色
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* @param leftEdge 是否在左侧边缘添加遮罩（否即在右侧边缘添加）
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*/
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fun ContentDrawScope.drawFadedEdge(
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edgeWidth: Dp,
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maskColor: Color,
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leftEdge: Boolean
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) {
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val edgeWidthPx = edgeWidth.toPx()
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drawRect(
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topLeft = Offset(if (leftEdge) 0f else size.width - edgeWidthPx, 0f),
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size = Size(edgeWidthPx, size.height),
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brush =
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Brush.horizontalGradient(
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colors = listOf(Color.Transparent, maskColor),
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startX = if (leftEdge) 0f else size.width,
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endX = if (leftEdge) edgeWidthPx else size.width - edgeWidthPx
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),
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blendMode = BlendMode.DstIn
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)
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}
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/**
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* 将时间戳转换为本地日期字符串
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*
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* @receiver Long? 时间戳（单位为毫秒）或 null
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* @return String 格式化后的日期字符串。如果为传入参数为null则返回空字符串，反之格式为 “yyyy-MM-dd”
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*/
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fun Long?.toLocalDateString(): String {
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if (this == null) return ""
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val date = Date(this)
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val format = SimpleDateFormat("yyyy-MM-dd", java.util.Locale.getDefault())
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return format.format(date)
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} |