private void LoadItems()
{
if (items != null && items.Count > 0)
{
panel2.SuspendLayout();
panel2.Controls.Clear();
for (int i = 0; i < items.Count; i++)
{
FormItem item = items[i];
FormEditControl fec = new FormEditControl();
fec.Field = item;
fec.Location = new Point(width, height + (height + fec.Height) * i);
fec.Width = panel2.Width - width * 2;
fec.Anchor = AnchorStyles.Left | AnchorStyles.Top | AnchorStyles.Right;
fec.AddItemHandler += new EventHandler(fec_AddItemHandler);
fec.RemoveItemHandler += new EventHandler(fec_RemoveItemHandler);
fec.ChangeItemNameHandler += new FieldNameChangedHandler(fec_ItemNameChangedHandler);
fec.ChangeItemValueHandler += new FieldValueChangedHandler(fec_ChangeItemValueHandler);
if (items.Count == 1)
{
fec.CanRemove = false;//最后一个必须留着，免得无法再添加
}
panel2.Controls.Add(fec);
}
panel2.ResumeLayout(true);
}
}
void fec_ItemNameChangedHandler(FormEditControl fec, string newName)
{
int index = items.GetIndex(fec.Field);
if (index > -1)
{
items[index].ItemName = newName;
}
}
void fec_ChangeItemValueHandler(FormEditControl fec, ItemValueControl value)
{
int index = items.GetIndex(fec.Field);
if (index > -1)
{
items[index].ItemType = Commons.GetType(value.ItemType);
items[index].ItemValue = value.ItemValue;
}
}
void fec_RemoveItemHandler(object sender, EventArgs e)
{
FormEditControl thisItem = sender as FormEditControl;
int index = items.GetIndex(thisItem.Field);
if (index > -1)
{
items.RemoveAt(index);
LoadItems();
}
}
void fec_AddItemHandler(object sender, EventArgs e)
{
FormEditControl thisItem = sender as FormEditControl;
string newName;
int index = items.GetIndex(thisItem.Field, out newName);
if (index > -1)
{
items.Insert(index + 1, FormItem.Empty(newName));
LoadItems();
}
}