private void DrawImage(RepositoryItemCheckedImageComboBoxEdit edit, Graphics gr, int index, ref Rectangle valRect)
{
Image image = edit.GetItemImage(index);
Rectangle rect = new Rectangle(valRect.X, valRect.Y, RepositoryItemCheckedImageComboBoxEdit.ImageWidth,
RepositoryItemCheckedImageComboBoxEdit.ImageHeight);
if (image != null)
{
gr.DrawImage(image, rect);
valRect.X += RepositoryItemCheckedImageComboBoxEdit.ImageWidth + 2;
}
}
protected override void DrawString(ControlGraphicsInfoArgs info, Rectangle bounds, string text, DevExpress.Utils.AppearanceObject appearance)
{
PopupContainerEditViewInfo viewInfo = info.ViewInfo as PopupContainerEditViewInfo;
RepositoryItemCheckedImageComboBoxEdit edit = viewInfo.Item as RepositoryItemCheckedImageComboBoxEdit;
if (!edit.CanShowImageInEditBox)
{
base.DrawString(info, bounds, text, appearance);
}
else
{
DrawContent(info, bounds, text, appearance);
}
}
public override void Assign(RepositoryItem item)
{
BeginUpdate();
try {
base.Assign(item);
RepositoryItemCheckedImageComboBoxEdit source = item as RepositoryItemCheckedImageComboBoxEdit;
if (source == null)
{
return;
}
imageMember = source.ImageMember;
showImagesInEditBox = source.ShowImagesInEditBox;
}
finally {
EndUpdate();
}
}
private void DrawContent(ControlGraphicsInfoArgs info, Rectangle bounds, string text, DevExpress.Utils.AppearanceObject appearance)
{
PopupContainerEditViewInfo viewInfo = info.ViewInfo as PopupContainerEditViewInfo;
RepositoryItemCheckedImageComboBoxEdit edit = viewInfo.Item as RepositoryItemCheckedImageComboBoxEdit;
string[] values = text.Split(edit.SeparatorChar);
Rectangle valRect = new Rectangle(bounds.X, bounds.Y, 0, bounds.Height);
foreach (string val in values)
{
int index = GetIndexByDescription(edit.GetItems(), val.Trim());
if (index != -1)
{
DrawImage(edit, info.Graphics, index, ref valRect);
}
string str = val;
if (Array.IndexOf(values, val) < values.Length - 1)
{
str = string.Concat(val, edit.SeparatorChar);
}
DrawString(info, appearance, ref valRect, str);
}
}
static CheckedImageComboBoxEdit()
{
RepositoryItemCheckedImageComboBoxEdit.RegisterCheckedImageComboBoxEdit();
}
