//设置选中菜品的效果
private void SetSelectedFood()
{
var items = this.FoodsDiv.ItemContainerGenerator.Items;
if (items != null)
{
for (int i = 0; i < items.Count; i++)
{
ListBoxItem boxItem = this.FoodsDiv.ItemContainerGenerator.ContainerFromIndex(i) as ListBoxItem;
Button b = TreeHelpUtils.FindVisualTree <Button>(boxItem);
if (b == null)
{
break;
}
if (!foodList.isSelected) //全消除
{
b.Background = new SolidColorBrush(Color.FromArgb(255, 221, 221, 221));
}
else
{
Food f = (Food)items[i];
if (f.Id == foodList.lastSelectedFoodId) //取消过去的
{
b.Background = new SolidColorBrush(Color.FromArgb(255, 221, 221, 221));
}
else if (f.Id == foodList.selectedFoodId)
{
b.Background = Brushes.Orange;
}
}
}
}
}
//菜单选中
private void MenuFood_MouseDown(object sender, MouseButtonEventArgs e)
{
Console.Out.WriteLine("sender.GetType() = " + sender.GetType());
Console.Out.WriteLine("e.Source.GetType() = " + e.Source.GetType());
Console.Out.WriteLine("e.OriginalSource.GetType() = " + e.OriginalSource.GetType());
//MessageBox.Show("点击者" + e.Source.GetType());
Grid grid = e.OriginalSource as Grid; //获取事件发起源头
ContentPresenter cp = grid.TemplatedParent as ContentPresenter; //获取模板目标
//List<TextBox> tbs = SearchVisualTree<TextBox>(cp);
TextBox tb = TreeHelpUtils.FindVisualTree <TextBox>(cp);
int index = int.Parse(tb.Text) - 1;
Console.Out.WriteLine(this.FoodMenuDiv.Items[index].GetType());
Console.Out.WriteLine((this.FoodMenuDiv.Items[index] as Food).Id);
SetMessageWin("选中序号:" + index + "\n 菜品名：" + (this.FoodMenuDiv.Items[index] as Food).Name);
if (index < 0)
{
MessageBox.Show("序号错误!");
}
//foodMenu.MenuSelected(index);
SetSelectedMenu(foodList.currentMenuSelectedIndex, index);
foodList.MenuSelected(index);
//SetSelectedMenu(index, true);
Console.Out.WriteLine(index);
}
//设置选中菜单的效果(选中或是取消)
private void SetSelectedMenu(int lass_index, int current_index)
{
if (lass_index == current_index)
{
if (lass_index == -1)
{
return;
}
else
{
ListBoxItem boxItem = this.FoodMenuDiv.ItemContainerGenerator.ContainerFromIndex(lass_index) as ListBoxItem;
//ok能找到
//List<TextBox> tbs = TreeHelpUtils.FindListVisualTree<TextBox>(boxItem);
Grid g = TreeHelpUtils.FindVisualTree <Grid>(boxItem);
if (g.Background == null)
{
g.Background = Brushes.Orange;
}
else
{
g.Background = null;
}
}
}
else
{
if (lass_index != -1)
{
ListBoxItem boxItem = this.FoodMenuDiv.ItemContainerGenerator.ContainerFromIndex(lass_index) as ListBoxItem;
//ok能找到
//List<TextBox> tbs = TreeHelpUtils.FindListVisualTree<TextBox>(boxItem);
Grid g = TreeHelpUtils.FindVisualTree <Grid>(boxItem);
g.Background = null;
}
if (current_index != -1)
{
ListBoxItem boxItem = this.FoodMenuDiv.ItemContainerGenerator.ContainerFromIndex(current_index) as ListBoxItem;
//ok能找到
//List<TextBox> tbs = TreeHelpUtils.FindListVisualTree<TextBox>(boxItem);
Grid g = TreeHelpUtils.FindVisualTree <Grid>(boxItem);
g.Background = Brushes.Orange;
}
}
//TreeHelpUtils.FindVisualTree<Grid>(boxItem);
}
//设置选中菜品类的效果
private void SetSelectedFoodClass()
{
var items = this.FoodClassDiv.ItemContainerGenerator.Items;
if (items != null)
{
for (int i = 0; i < items.Count; i++)
{
ListBoxItem boxItem = this.FoodClassDiv.ItemContainerGenerator.ContainerFromIndex(i) as ListBoxItem;
Button b = TreeHelpUtils.FindVisualTree <Button>(boxItem);
if (b == null)
{
break;
}
//全消除
b.Background = new SolidColorBrush(Color.FromArgb(255, 221, 221, 221));
FoodClass f = (FoodClass)items[i];
if (f == foodList.CurrentFoodClass)
{
b.Background = Brushes.Orange;
}
}
}
}
