/// <summary>
/// Edits the specified object's value using the editor style indicated by the
/// <see cref="M:System.Drawing.Design.UITypeEditor.GetEditStyle"/> method.
/// </summary>
/// <param name="context">An <see cref="T:System.ComponentModel.ITypeDescriptorContext"/> that can be
/// used to gain additional context information.</param>
/// <param name="provider">An <see cref="T:System.IServiceProvider"/> that this editor can use to
/// obtain services.</param>
/// <param name="value">The object to edit.</param>
/// <returns>
/// The new value of the object. If the value of the object has not changed, this should return the
/// same object it was passed.
/// </returns>
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
var svc = provider.GetService(typeof(IWindowsFormsEditorService)) as IWindowsFormsEditorService;
if (svc != null)
{
using (var editorForm = new ItemTemplateUITypeEditorForm(value))
{
var pt = context.PropertyDescriptor.PropertyType;
if (svc.ShowDialog(editorForm) == DialogResult.OK)
{
if (pt == typeof(IItemTemplateTable))
{
value = editorForm.SelectedItem;
}
else if (pt == typeof(ItemTemplateID) || pt == typeof(ItemTemplateID?))
{
value = editorForm.SelectedItem.ID;
}
else if (pt == typeof(string))
{
value = editorForm.SelectedItem.ID.ToString();
}
else
{
const string errmsg =
"Don't know how to handle the source property type `{0}`. In value: {1}. Editor type: {2}";
if (log.IsErrorEnabled)
{
log.ErrorFormat(errmsg, pt, value, editorForm.GetType());
}
Debug.Fail(string.Format(errmsg, pt, value, editorForm.GetType()));
}
}
else
{
if (pt == typeof(ItemTemplateID?))
{
value = null;
}
}
}
}
return(value);
}
