public static string EnumSystemDataSourceString(EnumSystemDataSource enumSystemDataSource)
{
string str = "System.{0}";
str = String.Format(str, (int)enumSystemDataSource);
return(str);
}
public static string EnumSystemDataSourceVisibleString(EnumSystemDataSource enumSystemDataSource)
{
string str = Language.Current.DataSource_System + ".{0}";
str = String.Format(str,
EnumDescConverter.Get(typeof(EnumSystemDataSource)).Select("Value='" + (int)enumSystemDataSource + "'")[0]["Text"].ToString());
return(str);
}
public static string DataSourceVisibleString(WindowEntity formEntity, string str, out bool warning)
{
warning = false;
if (str == null || str == String.Empty)
{
warning = true;
return(String.Empty);
}
if (!str.StartsWith("FormElement.") &&
!str.StartsWith("System."))
{
warning = true;
throw new ArgumentException();
}
string visibleStr;
string[] strArray = str.Split('.');
switch (strArray[0])
{
case "FormElement":
UIElement formElement =
formEntity.FindFormElementById(strArray[1]);
if (formElement == null)
{
warning = true;
return(String.Empty);
}
visibleStr = FormElementVisibleString(formElement);
break;
case "System":
EnumSystemDataSource enumSystemDataSource =
(EnumSystemDataSource)Enum.Parse(typeof(EnumSystemDataSource), strArray[1]);
visibleStr = EnumSystemDataSourceVisibleString(enumSystemDataSource);
break;
default:
throw new NotImplementedException();
}
return(visibleStr);
}
private void ComboBoxDrawItem(object sender, DrawItemEventArgs dea)
{
if (dea.Index < 0 || dea.Index >= this.Items.Count)
{
return;
}
Graphics g = dea.Graphics;
Brush stringColor = SystemBrushes.ControlText;
if ((dea.State & DrawItemState.Selected) == DrawItemState.Selected)
{
if ((dea.State & DrawItemState.Focus) == DrawItemState.Focus)
{
g.FillRectangle(SystemBrushes.Highlight, dea.Bounds);
stringColor = SystemBrushes.HighlightText;
}
else
{
g.FillRectangle(SystemBrushes.Window, dea.Bounds);
}
}
else
{
g.FillRectangle(SystemBrushes.Window, dea.Bounds);
}
object item = this.Items[dea.Index];
int xPos = dea.Bounds.X;
//绘制下拉项目
string typeString = String.Empty;
if (item is UIElement)
{
UIElement site = item as UIElement;
if (site != null)
{
string name = site.FullCode;
using (Font f = new Font(this.Font, FontStyle.Bold))
{
g.DrawString(name, f, stringColor, xPos, dea.Bounds.Y);
xPos += (int)g.MeasureString(name + "-", f).Width;
}
//TODO:因为数据列不在FormElementEntityTypes中，所 以数据列的类型名子获取不能
//见FormElementEntityTypeCollection 182行
typeString = "(" + site.Name + ") " + FormElementEntityDevTypes.Instance.GetName(site);
}
}
else if (item is EnumSystemDataSource)
{
EnumSystemDataSource systemDataSourrce = (EnumSystemDataSource)item;
string name = systemDataSourrce.ToString();
using (Font f = new Font(this.Font, FontStyle.Bold))
{
g.DrawString(name, f, stringColor, xPos, dea.Bounds.Y);
xPos += (int)g.MeasureString(name + "-", f).Width;
}
typeString = EnumDescConverter.Get(typeof(EnumSystemDataSource)).Select(
"Value = '" + Convert.ToInt32(systemDataSourrce) + "'")[0]["Text"].ToString();
}
// string typeString = item.GetType().ToString();
g.DrawString(typeString, this.Font, stringColor, xPos, dea.Bounds.Y);
}
