protected override void DrawNodeImageCore(CustomDrawNodeImagesEventArgs e, Rectangle bounds, Point location, object imageList, int imageIndex)
{
e.Appearance.FillRectangle(e.Cache, bounds);
MyTreeListNode node = e.Node as MyTreeListNode;
if (node == null)
{
return;
}
Image img = node.AvatarImage;
if (img != null)
{
e.Cache.DrawImage(img, node.AvatarImageBounds);
}
else
{
e.Cache.DrawRectangle(Pens.Gray, node.AvatarImageBounds);
}
string caption = node.AvatarCaption;
if (caption != string.Empty)
{
e.Appearance.TextOptions.VAlignment = DevExpress.Utils.VertAlignment.Top;
e.Appearance.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
e.Appearance.TextOptions.WordWrap = DevExpress.Utils.WordWrap.Wrap;
StringFormat sf = new StringFormat();
sf.Alignment = StringAlignment.Center;
sf.FormatFlags = StringFormatFlags.NoWrap;
e.Cache.DrawString(caption, e.Appearance.GetFont(), e.Appearance.GetForeBrush(e.Cache), node.AvatarCaptionBounds, sf);
}
}
public override void DrawNodePreview(CustomDrawNodePreviewEventArgs e)
{
MyTreeListNode node = e.Node as MyTreeListNode;
e.Appearance.FillRectangle(e.Cache, e.Bounds);
for (int i = 0; i < node.Buttons.Count; i++)
{
node.Buttons[i].Painter.Draw(new MyToolButtonDrawEventArgs(e.Appearance, node.Buttons[i].ViewInfo, e.Cache));
}
}
protected override void CalcSelectImageBounds(RowInfo rInfo, Rectangle indentBounds)
{
base.CalcSelectImageBounds(rInfo, indentBounds);
MyTreeListNode node = rInfo.Node as MyTreeListNode;
if (node == null)
{
return;
}
Rectangle rect = rInfo.SelectImageBounds;
rect.Height += minAvatarCaptionHeight;
rInfo.SelectImageBounds = rect;
node.CalcAvatarBounds(rInfo.SelectImageBounds);
}
public override void ShowEditor()
{
RowInfo ri = FocusedRow;
if (ri != null)
{
MyTreeListNode node = ri.Node as MyTreeListNode;
if (node != null)
{
if (node.IsPosted)
{
return;
}
}
}
base.ShowEditor();
}
public override TreeListHitTest GetHitTest(Point pt)
{
TreeListHitTest ht = base.GetHitTest(pt);
if (ht.HitInfoType == HitInfoType.RowPreview)
{
MyTreeListNode node = ht.Node as MyTreeListNode;
node.HitTest(pt);
nodeWithFocusedPreview = node;
}
else
{
if (nodeWithFocusedPreview != null)
{
nodeWithFocusedPreview.HitTest(pt);
nodeWithFocusedPreview = null;
}
}
return(ht);
}
protected virtual void CalcPreviewElementBounds(RowInfo ri)
{
MyTreeListNode node = ri.Node as MyTreeListNode;
if (!node.IsPosted)
{
int posX = ri.PreviewBounds.Right - 20, posY = ri.PreviewBounds.Y + 2;
for (int i = node.Buttons.Count - 1; i >= 0; i--)
{
node.Buttons[i].ViewInfo.CalcBounds(new Rectangle(posX, posY, node.Buttons[i].Width, node.Buttons[i].Height));
posX -= (node.Interval + node.Buttons[i].Width);
}
}
else
{
if (node.Buttons.Count > 0)
{
node.Buttons[0].ViewInfo.CalcBounds(new Rectangle(ri.PreviewBounds.X + 2, ri.PreviewBounds.Y, node.Buttons[0].Width, node.Buttons[0].Height));
}
}
}
internal void AddNewNode(MyTreeListNode parentNode)
{
TreeListNode node = null;
try
{
node = AppendNode(null, parentNode);
}
catch
{
}
if (node != null)
{
object[] values = new object[Data.Columns.Count];
for (int i = 0; i < Data.Columns.Count; i++)
{
if (Data.Columns[i].ColumnName == KeyFieldName)
{
if (ParentFieldName != string.Empty)
{
node.SetValue(ParentFieldName, parentNode.GetValue(Data.Columns[i].ColumnName));
}
continue;
}
if (Data.Columns[i].ColumnName == AvatarCaptionFieldName ||
Data.Columns[i].ColumnName == AvatarImageFieldName)
{
node.SetValue(Data.Columns[i].ColumnName, parentNode.GetValue(Data.Columns[i].ColumnName));
continue;
}
}
node.Selected = true;
}
}
public MyTreeListViewInfo(MyTreeList treeList)
: base(treeList)
{
nodeWithFocusedPreview = null;
}