public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
DataConfigSetting setting = value as DataConfigSetting;
IWindowsFormsEditorService edSvc = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
if (setting.Type == DataConfigSetting.TYPE.FILENAME ||
setting.Type == DataConfigSetting.TYPE.FILENAME1)
{
OpenFileDialog dlg = new OpenFileDialog();
string[] rgstrExt = setting.Extra.Split(',');
string strFilter = "Data Files(";
foreach (string strExt in rgstrExt)
{
strFilter += "*." + strExt;
strFilter += ", ";
}
strFilter = strFilter.TrimEnd(',', ' ');
strFilter += ")|";
foreach (string strExt in rgstrExt)
{
strFilter += "*." + strExt;
strFilter += ";";
}
strFilter = strFilter.TrimEnd(';');
strFilter += "||";
dlg.Filter = strFilter;
dlg.Title = "Select the " + setting.Name;
dlg.DefaultExt = setting.Extra;
dlg.FileName = (string)setting.Value;
if (setting.Type == DataConfigSetting.TYPE.FILENAME1)
{
dlg.CheckFileExists = false;
}
if (dlg.ShowDialog() == DialogResult.OK)
{
setting.Value = dlg.FileName;
}
else
{
setting.Value = "";
}
}
else if (setting.Type == DataConfigSetting.TYPE.DIRECTORY)
{
FormSelectFolder dlg = new FormSelectFolder(setting.Value.ToString());
if (dlg.ShowDialog() == DialogResult.OK)
{
setting.Value = dlg.SelectedFolder;
}
}
else if (setting.Type == DataConfigSetting.TYPE.LIST)
{
if (edSvc != null)
{
ListBox list = new ListBox();
list.SelectedIndexChanged += new EventHandler(list_SelectedIndexChanged);
OptionItem item = setting.Value as OptionItem;
foreach (OptionItem option in item.Options)
{
list.Items.Add(option.Name);
}
list.Tag = edSvc;
edSvc.DropDownControl(list);
if (list.SelectedItem != null)
{
OptionItem selectedItem = item.Options.Find(list.SelectedItem.ToString());
selectedItem.Options = item.Options;
setting.Value = selectedItem;
}
}
}
else if (setting.Type == DataConfigSetting.TYPE.DATETIME)
{
if (edSvc != null)
{
DateTime dt = DateTime.Parse(setting.Value.ToString());
FormDateTime dlg = new FormDateTime(dt);
if (dlg.ShowDialog() == DialogResult.OK)
{
setting.Value = dlg.SelectedDateTime.ToString();
}
}
}
else if (setting.Type == DataConfigSetting.TYPE.CUSTOM)
{
if (setting.VerifyInterface != null)
{
setting.VerifyInterface.GetCustomSetting(setting.Name, setting.Extra, (DataConfigSetting[])context.Instance);
}
}
else
{
if (edSvc != null)
{
TextBox edt = new TextBox();
edt.Text = setting.Value.ToString();
edt.Tag = edSvc;
edSvc.DropDownControl(edt);
if (setting.Type == DataConfigSetting.TYPE.INTEGER)
{
int nVal;
if (!int.TryParse(edt.Text, out nVal))
{
throw new Exception("The value specified for '" + setting.Name + "' is invalid. Please enter a valid INTEGER number.");
}
}
else if (setting.Type == DataConfigSetting.TYPE.REAL)
{
double dfVal;
if (!double.TryParse(edt.Text, out dfVal))
{
throw new Exception("The value specified for '" + setting.Name + "' is invalid. Please enter a valid REAL number.");
}
}
setting.Value = edt.Text;
}
}
if (setting.VerifyInterface != null)
{
setting.VerifyInterface.VerifyConfiguration((DataConfigSetting[])context.Instance);
}
return(value);
}
public OptionItem Clone()
{
OptionItem item = new OptionItem(m_strName, m_nIdx, Options);
return(item);
}