public override void ResetValue(object component)
{
FieldEditorList fieldEditors = component as FieldEditorList;
if (fieldEditors != null && fieldEditors.Fields != null)
{
EPField fld = fieldEditors.Fields[Name];
if (fld != null)
{
fld.editor = null;
}
}
}
public override void SetValue(object component, object value)
{
FieldEditorList fieldEditors = component as FieldEditorList;
if (fieldEditors != null && fieldEditors.Fields != null)
{
EPField fld = fieldEditors.Fields[Name];
if (fld != null)
{
fld.editor = (DataEditor)value;
}
}
}
public override object GetValue(object component)
{
FieldEditorList fieldEditors = component as FieldEditorList;
if (fieldEditors != null && fieldEditors.Fields != null)
{
EPField fld = fieldEditors.Fields[Name];
if (fld != null)
{
return(fld.editor);
}
}
return(null);
}
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
if (context != null && context.Instance != null && provider != null)
{
IWindowsFormsEditorService edSvc = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
if (edSvc != null)
{
FieldEditorList felst = context.Instance as FieldEditorList;
if (felst != null)
{
DataEditorListBox list = new DataEditorListBox(edSvc);
edSvc.DropDownControl(list);
if (list.Selector != null)
{
if (list.Selector is DataEditorNone)
{
value = null;
felst.RemoveEditorByName(context.PropertyDescriptor.Name);
}
else
{
list.Selector.ValueField = context.PropertyDescriptor.Name;
list.Selector.SetFieldsAttribute(felst.Fields);
DataEditor current = value as DataEditor;
DlgSetEditorAttributes dlg = list.Selector.GetDataDialog(current);
if (dlg != null)
{
if (edSvc.ShowDialog(dlg) == DialogResult.OK)
{
dlg.SelectedEditor.ValueField = context.PropertyDescriptor.Name;
current = (DataEditor)dlg.SelectedEditor.Clone();
value = current;
felst.AddEditor(current);
}
}
else
{
current = (DataEditor)list.Selector.Clone();
value = list.Selector;
felst.AddEditor(current);
}
}
}
}
}
}
return(value);
}
public override void PaintValue(PaintValueEventArgs e)
{
if (e.Context != null && e.Context.Instance != null && e.Context.PropertyDescriptor != null)
{
FieldEditorList felst = e.Context.Instance as FieldEditorList;
if (felst != null)
{
DataEditor de = felst.GetEditorByName(e.Context.PropertyDescriptor.Name);
if (de != null)
{
e.Graphics.DrawImage(de.Icon, e.Bounds.Location);
}
}
}
base.PaintValue(e);
}
