// 輸出的Label[,] 放到tabPage.Tag去
private void InitFoodMenu(TabPage tabPage, int menuId, out Label[,] FoodName)
{
SuspendLayout();
string mark = "F" + menuId.ToString() + DateTime.Now.Ticks.ToString(); //避免多次進入,label重名了
int WidthX = (tabPage.Width - MyLayout.OffsetX) / MyLayout.NoX;
int HeightY = (tabPage.Height - MyLayout.OffsetY) / MyLayout.NoY;
FoodName = new Label[MyLayout.NoX, MyLayout.NoY];
int x, y;
for (x = 0; x < MyLayout.NoX; x++)
{
for (y = 0; y < MyLayout.NoY; y++)
{
int xx, yy;
xx = MyLayout.OffsetX + x * WidthX;
yy = MyLayout.OffsetY + y * HeightY;
Label l = new Label();
// Create Name Label
l = new Label();
FoodName[x, y] = l;
l.AutoSize = false;
l.Location = new System.Drawing.Point(xx, yy);
l.Name = mark + "X" + x.ToString() + "Y" + y.ToString();
l.Size = new System.Drawing.Size(WidthX - MyLayout.NoWidth - 2, HeightY - 2);
l.TabIndex = 0;
MyProductRow Row = GetFoodMenuItem(menuId, x, y);
if (Row != null)
{
l.Tag = Row;
if (Row.IsNameNull())
{
l.Text = "";
}
else
{
l.Text = Row.Name.ToString();
}
}
else
{
l.Tag = null;
l.Text = "";
}
l.DragEnter += new DragEventHandler(this.LabelDragEnter);
l.DragLeave += new EventHandler(this.LabelDragLeave);
l.DragDrop += new DragEventHandler(LabelDragDrop);
l.MouseDown += new MouseEventHandler(LabelMouseDown);
l.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
l.BorderStyle = BorderStyle.Fixed3D;
l.AllowDrop = true;
tabPage.Controls.Add(l);
}
}
ResumeLayout();
PerformLayout();
}
private void LabelDragDrop(object sender, DragEventArgs e)
{
Label label = sender as Label;
label.BorderStyle = BorderStyle.Fixed3D;
DragItem item = e.Data.GetData(typeof(DragItem)) as DragItem;
MyProductRow row = item.row;
if (label.Tag == row)
{
return;
}
label.Text = item.ToString();
label.BackColor = Color.SeaShell;
label.Tag = row;
m_Modified = true;
if (item.label != null)
{
item.label.Text = "";
item.label.BackColor = Color.SeaShell;
item.label.Tag = null;
}
if (row == null)
{
return;
}
// Check duplicate
int code = row.Code;
Label[,] currentFoodTable = tabControl1.SelectedTab.Tag as Label[, ]; // FoodTable放到TabPage.Tag去
foreach (Label l in currentFoodTable)
{
var ro = l.Tag as MyProductRow; // Label[,]內的label.Tag放著ProductRow
if (ro == null)
{
continue;
}
if (l == label)
{
continue;
}
if (ro.Code == code)
{
l.Text = "";
l.BackColor = Color.SeaShell;
l.Tag = null;
}
}
}
private void LoadTabControlItem()
{
// 小於0的是菜單名負一排最前面
var rows = from row in m_DataSet.Product
where row.Code < SpeicalRowCodeForMenu
orderby row.Code descending
select row;
tabControl1.TabPages.Clear();
if (rows.Count() == 0) // 都沒有的話留下預設的
{
tabControl1.TabPages.Add("面包");
int maxID = (from ro in m_DataSet.Product
select ro.ProductID).Max();
MyProductRow row = m_DataSet.Product.NewProductRow();
row.ProductID = ++maxID;
row.Name = SystemMenuName("面包", 1);
row.Code = -1;
row.MenuX = -1;
row.MenuY = -1;
m_DataSet.Product.AddProductRow(row);
SaveProduct();
}
else
{
String str;
int i;
foreach (var row in rows)
{
str = row.Name;
i = str.IndexOf('_'); // 以底線做分割, 前面是菜單名
if (i > 1)
{
str = str.Substring(0, i);
}
tabControl1.TabPages.Add(str);
}
}
foreach (TabPage page in tabControl1.TabPages)
{
page.BackColor = Color.Azure;
page.Font = new Font("標楷體", 14.25f);
}
}
private void btnSave_Click(object sender, EventArgs e)
{
if (m_Modified)
{
UpdateDataSet(tabControl1.SelectedIndex, tabControl1.SelectedTab.Tag as Label[, ]);
}
// <0的程式內用的,以Code比對
var rows = from row in m_DataSet.Product
where row.Code == SpeicalRowCodeForMenu
select row;
string reserved = "菜單寬高_勿動_程式用";
if (rows.Count() == 0)
{
MyProductRow row = m_DataSet.Product.NewProductRow();
row.MenuX = (short)-MyLayout.NoX;
row.MenuY = (short)-MyLayout.NoY;
row.Code = SpeicalRowCodeForMenu;
row.Name = reserved;
m_DataSet.Product.AddProductRow(row);
}
else
{
MyProductRow row = rows.First();
short x = (short)-MyLayout.NoX;
short y = (short)-MyLayout.NoY;
if ((x != row.MenuX) || (y != row.MenuY))
{
row.Name = reserved;
row.MenuX = x;
row.MenuY = y;
}
}
try
{
int i = productAdapter.Update(m_DataSet.Product);
MessageBox.Show("存檔成功! 共更新 " + i.ToString() + "筆");
UpdateAllFoodMenu();
}
catch (Exception ex)
{
MessageBox.Show("Error:" + ex.Message);
}
}
void RenewMenuSaveInProduct()
{
var rows = from row in m_DataSet.Product
where (row.RowState != DataRowState.Deleted) && (row.Code < SpeicalRowCodeForMenu)
select row;
int i = 0;
foreach (MyProductRow row in rows)
{
if (i >= tabControl1.TabCount)
{
row.Delete();
continue;
}
TabPage page = tabControl1.TabPages[i];
i++;
row.Name = SystemMenuName(page.Text, i);
row.Code = -i;
row.MenuX = -1;
row.MenuY = -1;
}
if (i < tabControl1.TabCount)
{
int maxID = (from row in m_DataSet.Product
where row.RowState != DataRowState.Deleted
select row.ProductID).Max();
for (; i < tabControl1.TabCount;)
{
MyProductRow row = m_DataSet.Product.NewProductRow();
TabPage page = tabControl1.TabPages[i];
row.ProductID = ++maxID;
i++;
row.Name = SystemMenuName(page.Text, i);
row.Code = -i;
row.MenuX = -1;
row.MenuY = -1;
m_DataSet.Product.AddProductRow(row);
}
}
SaveProduct();
LoadTabControlItem();
UpdateAllFoodMenu();
}
public DragItem(Label l, MyProductRow r)
{
label = l;
row = r;
X = Y = -1;
}