/*
* 删除选中
* 判断选中=》删除
* */
private void DeleteDishButton_Click(object sender, RoutedEventArgs e)
{
if (DishList.SelectedIndex == -1)
{
MessageBox.Show("未选中任何菜品");
return;
}
int DeleteDishResult = DishInfoConnector.DeleteDish(ModifyDishName.Text, ModifyDishTypeCombo.SelectedIndex + 1);
if (DeleteDishResult == 1)
{
MessageBox.Show("删除成功");
DishList.SelectedIndex = -1;
ModifyDishName.Text = "";
ModifyDishPrice.Text = "";
ModifyDishTypeCombo.IsEnabled = true;
ModifyDishTypeCombo.SelectedIndex = 0;
ModifyDishTypeCombo.IsEnabled = false;
LoadAllDishes();
}
else
{
MessageBox.Show("删除失败");
return;
}
}
/**
* 删除选中
* 未分类菜系不能删除
* 不必查存在，直接删除
* */
private void DeleteTypeButton_Click(object sender, RoutedEventArgs e)
{
if (DishTypeList.SelectedIndex == -1)
{
MessageBox.Show("未选择任何项");
return;
}
if (DishTypeList.SelectedIndex == 0)
{
MessageBox.Show("未分类菜系不能删除");
return;
}
ListBoxItem listBoxItem = (ListBoxItem)DishTypeList.SelectedItem;
String DTitle = (String)listBoxItem.Content;
int DeleteResult = DishInfoConnector.DeleteDishType(DTitle);
if (DeleteResult == 1)
{
MessageBox.Show("删除成功");
LoadAllDishType();
}
else
{
MessageBox.Show("删除失败");
}
}
private void ModifyButton_Click(object sender, RoutedEventArgs e)
{
if (ModifyDishPrice.Text == "")
{
MessageBox.Show("价格不能为空");
return;
}
if (!double.TryParse(ModifyDishPrice.Text, out double DPrice))
{
MessageBox.Show("价格格式不正确");
return;
}
int ModifyResult =
DishInfoConnector.ModifyDishPrice(ModifyDishName.Text,
ModifyDishTypeCombo.SelectedIndex + 1,
double.Parse(ModifyDishPrice.Text));
if (ModifyResult == 1)
{
MessageBox.Show("修改成功");
DishList.SelectedIndex = -1;
ModifyDishName.Text = "";
ModifyDishPrice.Text = "";
ModifyDishTypeCombo.IsEnabled = true;
ModifyDishTypeCombo.SelectedIndex = 0;
ModifyDishTypeCombo.IsEnabled = false;
LoadAllDishes();
}
else
{
MessageBox.Show("修改失败");
return;
}
}
/*
* 将订单加入已点列表的方法
* */
private void AddOrder(String DTitle, int number)
{
int index = 0;
foreach (AddOrderTmp orderTmp in addOrders)
{
if (DTitle == orderTmp.DTitle)
{
//列表中已经存在的项目，把数量加一下然后退出
addOrders[index].DNumber = (int.Parse(addOrders[index].DNumber) + number).ToString();
OrderContainer container = new OrderContainer(addOrders[index]);
//ListBox方法里面没有替换，只能是先删除然后插入
OrderList.Items.RemoveAt(index);
ListBoxItem boxItem = new ListBoxItem();
boxItem.Content = container;
OrderList.Items.Insert(index, boxItem);
CountPriceSummary();
return;
}
index++;
}
Dish dish = DishInfoConnector.GetDish(DTitle.Trim());
AddOrderTmp addOrder = new AddOrderTmp(DTitle, dish.DPrice.ToString(), number.ToString());
OrderContainer orderContainer = new OrderContainer(addOrder);
orderContainer.CancelButton.Click += DeleteThisOrderItem;
ListBoxItem item = new ListBoxItem();
item.Content = orderContainer;
OrderList.Items.Add(item);
addOrders.Add(addOrder); //用addOrders存储已点的菜品
CountPriceSummary();
}
/**
* 加载所有菜系
* */
private void LoadAllDishTypes()
{
List <DishTypeData> dishTypeDatas = DishInfoConnector.GetDishTypeDatas();
foreach (DishTypeData typeData in dishTypeDatas)
{
AddDishType.Items.Add(typeData.DtTitle);
}
AddDishType.SelectedIndex = 0;
}
/**
* 加载所有的菜系信息
* */
private void LoadAllDishType()
{
List <DishTypeData> dishTypeDatas = DishInfoConnector.GetDishTypeDatas();
ModifyDishTypeCombo.IsEnabled = true;
foreach (DishTypeData typeData in dishTypeDatas)
{
SearchDishTypeCombo.Items.Add(typeData.DtTitle);
ModifyDishTypeCombo.Items.Add(typeData.DtTitle);
}
ModifyDishTypeCombo.IsEnabled = false;
}
/**
* 选中菜品的时候把菜品信息显示在右侧
* */
private void DishList_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (DishList.SelectedIndex == -1)
{
return;
}
ModifyDishName.Text = ((InformationTable3)DishList.SelectedItem).Left_TB.Text;
ModifyDishPrice.Text = ((InformationTable3)DishList.SelectedItem).Right_TB.Text;
String DTitle = ((InformationTable3)DishList.SelectedItem).Mid_TB.Text;
int DtId = DishInfoConnector.GetDish(((InformationTable3)DishList.SelectedItem).Left_TB.Text).DTypeId;
ModifyDishTypeCombo.IsEnabled = true;
ModifyDishTypeCombo.SelectedIndex = DtId;
ModifyDishTypeCombo.IsEnabled = false;
}
/*
* 动态加载菜系的方法
* */
private void AddDishTypeList()
{
List <ListBoxItem> listBoxItems = new List <ListBoxItem>();
dishTypeDatas = DishInfoConnector.GetDishTypeDatas();
foreach (DishTypeData dishType in dishTypeDatas)
{
ListBoxItem item = new ListBoxItem
{
Content = dishType.DtTitle.Trim(),
MaxWidth = 45,
FontSize = 10
};
listBoxItems.Add(item);
}
DishTypeList.ItemsSource = listBoxItems;
}
/*
* 添加菜单的事件
* 1. 判断输入框是否为空
* 2. 判断图片是否选择
* 3. 判断价格的输入是否正确
* 4. 判断是否数据已存在（后台）
* */
private void AddDishButton_Click(object sender, RoutedEventArgs e)
{
if (AddDishName.Text == "" || AddDishPrice.Text == "")
{
MessageBox.Show("信息填写不完整");
return;
}
if (openFileDialog == null)
{
MessageBox.Show("图片未选择");
return;
}
if (!double.TryParse(AddDishPrice.Text, out double DPrice))
{
MessageBox.Show("价格格式不正确");
return;
}
byte[] bytesOfPic = File.ReadAllBytes(openFileDialog.FileName);
int AddResult = DishInfoConnector.InsertDish(AddDishName.Text, AddDishType.SelectedIndex, DPrice, ref bytesOfPic);
if (AddResult == -1)
{
MessageBox.Show("已存在的菜品");
return;
}
if (AddResult == 1)
{
MessageBox.Show("添加成功");
AddDishName.Text = "";
AddDishPrice.Text = "";
openFileDialog = null;
DishImage.Source = null;
ImagePathLabel.Content = null;
AddDishType.SelectedIndex = 0;
}
else
{
MessageBox.Show("添加失败");
return;
}
}
/**
* 加载所有菜品信息
* */
private void LoadAllDishes()
{
int count = DishList.Items.Count;
for (int i = 0; i < count; i++)
{
DishList.Items.RemoveAt(0);
}
dishes = DishInfoConnector.GetDishes();
foreach (Dish dish in dishes)
{
InformationTable3 information = new InformationTable3();
information.Left_TB.Text = dish.DTitle;
information.Mid_TB.Text = DishInfoConnector.GetTypeData(dish.DTypeId).DtTitle;
information.Right_TB.Text = dish.DPrice.ToString();
DishList.Items.Add(information);
}
SearchDishTypeCombo.SelectedIndex = 0;
}
/*
* 加载所有菜系
* */
private void LoadAllDishType()
{
int count = DishTypeList.Items.Count;
for (int i = 0; i < count; i++)
{
DishTypeList.Items.RemoveAt(0);
}
dishTypeDatas = DishInfoConnector.GetDishTypeDatas();
foreach (DishTypeData typeData in dishTypeDatas)
{
ListBoxItem listBoxItem = new ListBoxItem()
{
Content = typeData.DtTitle,
FontSize = 14,
Foreground = new SolidColorBrush(Color.FromRgb(255, 255, 255))
};
DishTypeList.Items.Add(listBoxItem);
}
}
//加载菜品
private void LoadDishList(int DTypeId)
{
while (listDishGrid.Children.Count > 0)
{
listDishGrid.Children.RemoveRange(0, 3);
foreach (orderGrid order in listDishGrid.Children)
{
Grid.SetRow(order, (Grid.GetRow(order) - 1));
}
}
List <Dish> dishes = DishInfoConnector.GetDishes(DTypeId);
int i = dishes.Count;
int rows;
if (i / 2 == 0)
{
rows = i / 2;
}
else
{
rows = i / 2 + 1;
}
RowDefinition[] row = new RowDefinition[i];
for (int tk = 0; tk < i; tk++)
{
row[tk] = new RowDefinition();
listDishGrid.RowDefinitions.Add(row[tk]);
}
int k = 0;
foreach (Dish dish in dishes)
{
orderGrid order = new orderGrid(dish);
order.button1.Click += Button1_Click;
listDishGrid.Children.Add(order);
Grid.SetRow(order, k / 2);
Grid.SetColumn(order, k % 2 == 0 ? 0 : 1);
k++;
}
}
/**
* 添加菜系
* 查空，查重，插入
* */
private void AddTypeButton_Click(object sender, RoutedEventArgs e)
{
if (AddTypeName.Text == "")
{
MessageBox.Show("菜系名为空");
return;
}
int InsertResult = DishInfoConnector.InsertDishType(AddTypeName.Text);
if (InsertResult == 1)
{
MessageBox.Show("插入成功");
AddTypeName.Text = "";
LoadAllDishType();
}
else
{
MessageBox.Show("插入失败");
return;
}
}