弹窗与草稿状态

编辑弹窗通常需要区分已保存值和弹窗内草稿。取消时丢弃草稿，确认时再提交。

import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import hyper_ui.*

@Composable
fun EditNoteAction() {
    var note by remember { mutableStateOf("默认备注") }
    var draft by remember { mutableStateOf(note) }
    var showDialog by remember { mutableStateOf(false) }

    HyperButton(
        text = "编辑备注",
        onClick = {
            draft = note
            showDialog = true
        }
    )

    HyperDialog(
        show = showDialog,
        onDismissRequest = { showDialog = false },
        actions = {
            HyperButton(
                text = "取消",
                variant = HyperButtonVariant.Default,
                onClick = { showDialog = false }
            )
            HyperButton(
                text = "保存",
                onClick = {
                    note = draft
                    showDialog = false
                }
            )
        }
    ) {
        HyperTextField(
            value = draft,
            onValueChange = { draft = it },
            singleLine = false
        )
    }
}