protected override void OnClone(DataEditor cloned)
{
base.OnClone(cloned);
WebDataEditor wd = cloned as WebDataEditor;
wd.SetHolder(_holder);
}
protected override void OnDrawItem(DrawItemEventArgs e)
{
if (e.Index >= 0 && e.Index < this.Items.Count)
{
bool selected = ((e.State & DrawItemState.Selected) != 0);
WebDataEditor item = this.Items[e.Index] as WebDataEditor;
if (item != null)
{
Rectangle rcBK = new Rectangle(e.Bounds.Left, e.Bounds.Top, 1, this.ItemHeight);
if (e.Bounds.Width > this.ItemHeight)
{
rcBK.Width = e.Bounds.Width - this.ItemHeight;
rcBK.X = this.ItemHeight;
if (selected)
{
e.Graphics.FillRectangle(Brushes.LightBlue, rcBK);
}
else
{
e.Graphics.FillRectangle(Brushes.White, rcBK);
}
}
Rectangle rc = new Rectangle(e.Bounds.Left, e.Bounds.Top, this.ItemHeight, this.ItemHeight);
float w = (float)(e.Bounds.Width - this.ItemHeight);
if (w > 0)
{
RectangleF rcf = new RectangleF((float)(rc.Left + this.ItemHeight + 2), (float)(rc.Top), w, (float)this.ItemHeight);
if (selected)
{
e.Graphics.DrawString(item.ToString(), this.Font, Brushes.White, rcf);
}
else
{
e.Graphics.DrawString(item.ToString(), this.Font, Brushes.Black, rcf);
}
}
if (item is WebDataEditorLookup)
{
}
e.Graphics.DrawImage(item.Icon, rc);
}
else
{
if (selected)
{
e.Graphics.FillRectangle(Brushes.LightBlue, e.Bounds);
}
else
{
e.Graphics.FillRectangle(Brushes.White, e.Bounds);
}
if (this.Items[e.Index] != null)
{
e.Graphics.DrawString(this.Items[e.Index].ToString(), this.Font, Brushes.Black, e.Bounds.Left, e.Bounds.Top);
}
}
}
}
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)
{
WebDataEditorList felst = context.Instance as WebDataEditorList;
if (felst != null)
{
DataEditorListBox list = new DataEditorListBox(edSvc);
edSvc.DropDownControl(list);
if (list.Selector != null)
{
WebDataEditor wd = list.Selector as WebDataEditor;
wd.SetHolder(felst.Holder);
if (list.Selector is WebDataEditorNone)
{
value = list.Selector;
felst.RemoveEditorByName(context.PropertyDescriptor.Name);
}
else
{
list.Selector.ValueField = context.PropertyDescriptor.Name;
list.Selector.SetFieldsAttribute(felst);
WebDataEditor current = value as WebDataEditor;
DlgSetEditorAttributes dlg = list.Selector.GetDataDialog(current);
if (dlg != null)
{
if (edSvc.ShowDialog(dlg) == DialogResult.OK)
{
dlg.SelectedEditor.ValueField = context.PropertyDescriptor.Name;
current = (WebDataEditor)dlg.SelectedEditor.Clone();
value = current;
felst.AddEditor(current);
}
}
else
{
current = (WebDataEditor)list.Selector.Clone();
value = list.Selector;
felst.AddEditor(current);
}
}
felst.Holder.OnEditorChanged(context.PropertyDescriptor.Name);
}
}
}
}
return(value);
}
public override void PaintValue(PaintValueEventArgs e)
{
if (e.Context != null && e.Context.Instance != null && e.Context.PropertyDescriptor != null)
{
WebDataEditorList felst = e.Context.Instance as WebDataEditorList;
if (felst != null)
{
WebDataEditor de = felst.GetEditorByName(e.Context.PropertyDescriptor.Name);
if (de != null)
{
e.Graphics.DrawImage(de.Icon, e.Bounds.Location);
}
}
}
base.PaintValue(e);
}
