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| import SwiftUI
struct Message: Identifiable {
var id = UUID()
var title: String
var last: String
}
// 定义数组，存放数据
var Messages = [
Message(title: "充当英翻中", last: "很好，让我们开始为想要减肥的人设计一个锻炼计划。首先，我们需要了解他们的目标和当前的健身水平。您可以问他们关于以下问题的信息：您的身高、体重和BMI（身体质量指数）是多少？您每周进行多少次有氧运动和力量训练？您每次进行运动的时间是多长？您的饮食习惯是什么？您是否有任何特殊的饮食限制？您的工作和日常活动水平是什么？一旦您了解了他"),
Message(title: "担任私人教练", last: ""),
Message(title: "随便聊聊", last: ""),
Message(title: "随便聊聊", last: ""),
Message(title: "随便聊聊", last: "好的，这是一个小学生的笑话："),
]
struct DialogueView: View {
@State var messagesItems = Messages
@State var showActionSheet = false
var body: some View {
NavigationView{
List {
ForEach(messagesItems) { Message in
HStack {
Image("dialogue")
.resizable()
.renderingMode(.template)
.foregroundColor(.gray)
.frame(width: 40, height: 40)
VStack {
Text(Message.title)
.foregroundColor(.black)
.listRowSeparator(.hidden)
.font(.system(size: 17).weight(.light))
.frame(maxWidth: .infinity, alignment: .leading)
.padding(1)
Text(Message.last)
.foregroundColor(.gray)
.frame(maxWidth: .infinity, alignment: .leading)
.font(.system(size: 15))
.lineLimit(1)
.padding(1)
}
Image("drag")
.resizable()
.frame(width: 20, height: 20)
}.contextMenu {
Button(action: {
// 点击删除
// self.delete(item: Message)
// 点击打开ActionSheet弹窗
self.showActionSheet.toggle()
}) {
HStack {
Text("删除")
Image(systemName: "trash")
}
}
}
// ActionSheet弹窗
.actionSheet(isPresented: self.$showActionSheet) {
ActionSheet(
title: Text("你确定要删除此项吗？"),
message: nil,
buttons: [
.destructive(Text("删除"), action: {
//点击删除
self.delete(item: Message)
}),
.cancel(Text("取消"))
])
}
}
.onDelete(perform: deleteRow)
.onMove(perform: moveItem)
}
.navigationBarItems(leading:
HStack {
Image(systemName: "trash")
.resizable()
.frame(width: 20, height: 20)
.foregroundColor(.gray)
},trailing:
HStack {
Button("新对话") {
print("Specials tapped!")
}
}
)
}
}
// 滑动删除方法
func deleteRow(at offsets: IndexSet) {
messagesItems.remove(atOffsets: offsets)
}
// 拖动排序方法
func moveItem(from source: IndexSet, to destination: Int) {
messagesItems.move(fromOffsets: source, toOffset: destination)
}
//contextMenu 删除的方法
func delete(item Message: Message) {
if let index = self.messagesItems.firstIndex(where: { $0.id == Message.id }) {
self.messagesItems.remove(at: index)
}
}
}
struct DialogueView_Previews: PreviewProvider {
static var previews: some View {
DialogueView()
}
}
|
