/// <summary>
///
/// </summary>
/// <param name="filename"></param>
public static void LoadDatabase(string filename)
{
if (!File.Exists(filename))
{
return;
}
XElement xml = XElement.Load(filename);
if (xml == null || xml.Name != typeof(IngredientUnit).Name)
{
throw new ArgumentException();
}
foreach (var item in xml.Elements(typeof(IngredientUnit).Name))
{
IngredientUnit unit = IngredientUnit.Parse(item);
if (dictionary.ContainsKey(unit.Id))
{
throw new Exception(string.Format("发现重复的单位名称【{0}】！", unit.Name));
}
dictionary.Add(unit.Id, unit);
}
}
private bool TryAdd()
{
string name = this.txtName.Text.Trim();
if (string.IsNullOrEmpty(name))
{
MessageBox.Show("食材单位名称不能为空！");
return(false);
}
var unit = new IngredientUnit()
{
Name = name
};
IDictionary <Guid, IngredientUnit> unitDict = IngredientUnit.GetAll();
var result = from item in unitDict.Values
where item.Name == unit.Name
select item;
if (result.Count() > 0)
{
MessageBox.Show(string.Format("已存在名为【{0}】的食材单位名称！", name), "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return(false);
}
unitDict.Add(unit.Id, unit);
IngredientUnit.SaveDatabase(typeof(IngredientUnit).Name);
return(true);
}
void FormNewIngredientUnit_Load(object sender, EventArgs e)
{
IDictionary <Guid, IngredientUnit> unitDict = IngredientUnit.GetAll();
var list = from item in unitDict.Values
select item;
foreach (var item in list)
{
this.lstUnit.Items.Add(item);
}
}
public FormUpdateIngredientUnit(IngredientUnit unit)
{
InitializeComponent();
if (unit == null)
{
throw new ArgumentNullException("category");
}
this.unit = unit;
this.txtName.Text = unit.Name;
}
private void btnDelete_Click(object sender, EventArgs e)
{
var selectedItem = this.lstUnit.SelectedItem;
if (selectedItem != null)
{
if (MessageBox.Show(string.Format("是否确认删除【{0}】单位名称？（这将同步删除使用此单位名称的食材和使用这些食材的菜品！）", selectedItem), "询问", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == System.Windows.Forms.DialogResult.Yes)
{
// 删除category
var unit = selectedItem as IngredientUnit;
IDictionary <Guid, IngredientUnit> categoryDict = IngredientUnit.GetAll();
categoryDict.Remove(unit.Id);
// 删除关联到unit的食材ingredient
IDictionary <Guid, Ingredient> ingredientDict = Ingredient.GetAll();
var toBeDeletedIngredients = (from item in ingredientDict.Values
where item.Unit.Id == unit.Id
select item.Id).ToList();
foreach (var id in toBeDeletedIngredients)
{
ingredientDict.Remove(id);
}
// 删除关联到食材ingredient的菜品dish
IDictionary <Guid, Dish> dishDict = Dish.GetAll();
var toBeDeletedDishes = new List <Dish>();
foreach (var dish in dishDict.Values)
{
foreach (var weightedIngredient in dish.WeightedIngredientList)
{
if (toBeDeletedIngredients.Contains(weightedIngredient.Ingredient.Id))
{
toBeDeletedDishes.Add(dish);
break;
}
}
}
foreach (var dish in toBeDeletedDishes)
{
dishDict.Remove(dish.Id);
}
IngredientUnit.SaveDatabase(typeof(IngredientUnit).Name);
Ingredient.SaveDatabase(typeof(Ingredient).Name);
Dish.SaveDatabase(typeof(Dish).Name);
this.lstUnit.Items.Remove(selectedItem);
MessageBox.Show("已删除此单位名称！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
}
private void ReloadIngredientUnit()
{
this.cmbUnit.Items.Clear();
IDictionary <Guid, IngredientUnit> dict = IngredientUnit.GetAll();
var list = from item in dict.Values
select item;
foreach (var item in list)
{
this.cmbUnit.Items.Add(item);
}
{
this.cmbUnit.Items.Add(newOne);
}
}
private bool TryAdd()
{
string name = this.txtName.Text.Trim();
if (string.IsNullOrEmpty(name))
{
MessageBox.Show("食材单位名称不能为空！");
return(false);
}
this.unit.Name = this.txtName.Text.Trim();
IngredientUnit.SaveDatabase(typeof(IngredientUnit).Name);
return(true);
}
public static Ingredient Parse(XElement xml)
{
if (xml == null || xml.Name != typeof(Ingredient).Name)
{
throw new ArgumentException();
}
Guid id = new Guid(xml.Attribute(strId).Value);
string name = xml.Attribute(strName).Value;
IngredientCategory category = IngredientCategory.Select(new Guid(xml.Attribute(strCategory).Value));
IngredientUnit unit = IngredientUnit.Select(new Guid(xml.Attribute(strUnitName).Value));
Color color;
var colorAttr = xml.Attribute(strForeColor);
if (colorAttr != null)
{
string[] parts = colorAttr.Value.Split(',');
int r = int.Parse(parts[0]), g = int.Parse(parts[1]), b = int.Parse(parts[2]);
color = Color.FromArgb(r, g, b);
}
else
{
color = Color.Black;
}
float price = float.Parse(xml.Attribute(strPrice).Value);
int priority = 0;
{
XAttribute attr = xml.Attribute(strPriority);
if (attr != null)
{
priority = int.Parse(attr.Value);
}
}
return(new Ingredient(id)
{
Name = name, Category = category, Unit = unit, ForeColor = color, Price = price, Priority = priority
});
}
public FormMain()
{
InitializeComponent();
this.CurrentPartyProject = new PartyProject();
this.grayBrush = new SolidBrush(Color.LightGray);
this.CurrentFont = new Font("宋体", 32, GraphicsUnit.Pixel);
this.CurrentBrush = new SolidBrush(Color.Black);
this.CurrentPen = new Pen(this.CurrentBrush);
foreach (PaperSize item in this.printDocument1.PrinterSettings.PaperSizes)
{
if (item.PaperName.Equals("A4"))
{
this.printDocument1.DefaultPageSettings.PaperSize = item;
break;
}
}
IngredientCategory.LoadDatabase(typeof(IngredientCategory).Name + ".xml");
IngredientUnit.LoadDatabase(typeof(IngredientUnit).Name + ".xml");
Ingredient.LoadDatabase(typeof(Ingredient).Name + ".xml");
Dish.LoadDatabase(typeof(Dish).Name + ".xml");
}