protected virtual bool IsBandPositionValid(ColumnInfo ci)
{
if (ci == null || ci.Column == null)
{
return(false);
}
MyTreeListBandInfo bi = ColumnInfoToBandInfo(ci);
if (SourceBandInfo != null)
{
if (bi == null)
{
return(SourceBandInfo.Band.IsBrother(ci.Column));
}
else
{
return((SourceBandInfo.Band.IsBrother(bi.Band)) && (SourceBandInfo.Band != bi.Band));
}
}
else
{
if (bi == null)
{
return(TreeList.Bands.IsBrotherColumns(SourceInfo.Column, ci.Column));
}
else
{
return(bi.Band.IsBrother(SourceInfo.Column));
}
}
}
public override void CalcColumnInfo(ColumnInfo ci, ref int left, bool customization)
{
int offset = 0;
base.CalcColumnInfo(ci, ref offset, customization);
if (ci.Type == ColumnInfo.ColumnInfoType.Column)
{
MyTreeListBand ParentBand = TreeList.Bands.GetColumnParentBand(ci.Column);
if (ParentBand == null)
{
ci.Bounds = Rectangle.Empty;
return;
}
MyTreeListBandInfo bi = new MyTreeListBandInfo(ParentBand);
bi.CalcBandInfo(this);
int VisiblePosition = ParentBand.GetColumnIndex(ci.Column);
if (ParentBand.BandColumn == ci.Column)
{
ci.Bounds = bi.Bounds;
ci.CaptionRect = new Rectangle(left + 4, 0, bi.Bounds.Width, bi.Bounds.Height);
if (BandLinks.ContainsKey(ci.Column))
{
BandLinks[ci.Column] = bi;
}
else
{
BandLinks.Add(ci.Column, bi);
}
}
else
{
int X = bi.Bounds.X;
for (int i = 0; i < VisiblePosition; i++)
{
TreeListColumn Col = ParentBand.GetColumn(i);
if ((Col != null) && Col.Visible)
{
X += Col.Width;
}
}
int Y = bi.Bounds.Bottom - 1;
int Width = ci.Column.Width;
int Height = BandHeight * (BandMaxLevel - ParentBand.Level);
ci.Bounds = new Rectangle(X, Y, Width, Height);
ci.CaptionRect = new Rectangle(left + 4, 0, Width, Height);
ColCount++;
left += Width;
}
}
else
{
left += offset;
}
UpdateGlyphInfo(ci);
ObjectPainter.CalcObjectBounds(GInfo.Graphics, TreeList.ElementsLookAndFeel.Painter.Header, ci);
}
protected MyTreeListBandInfo ColumnInfoToBandInfo(ColumnInfo ci)
{
MyTreeListBandInfo bi = ci as MyTreeListBandInfo;
if ((bi == null) && ViewInfo.BandLinks.ContainsKey(ci.Column))
{
bi = ViewInfo.BandLinks[ci.Column];
}
return(bi);
}
protected internal virtual MyTreeListBandInfo GetBandInfoByPoint(Point pt)
{
foreach (ColumnInfo ci in ColumnsInfo.Columns)
{
MyTreeListBandInfo bi = ci as MyTreeListBandInfo;
if ((bi != null) && (bi.Bounds.Contains(pt)))
{
return(bi);
}
}
return(null);
}
protected virtual void CalcBandsInfo()
{
foreach (MyTreeListBand B in TreeList.Bands)
{
if ((B.Level > 0) && B.Visible && B.BandColumn == null)
{
MyTreeListBandInfo bi = new MyTreeListBandInfo(B);
bi.CalcBandInfo(this);
ColumnsInfo.Columns.Add(bi);
}
}
}
protected virtual bool IsDragPositionValid(int index, HitInfoType ht, ColumnInfo ci)
{
if (ci.Column != null)
{
MyTreeListBandInfo bi = ColumnInfoToBandInfo(ci);
bool inColumn = ht == HitInfoType.Column;
if (bi != null)
{
return(ht == HitInfoType.Column && bi.Band.ThisContainColumn(SourceInfo.Column) && bi.Band.ThisContainColumn(ci.Column));
}
return(inColumn);
}
return(false);
}
public override TreeListHitTest GetHitTest(Point pt)
{
if (ViewRects.ColumnPanel.Contains(pt))
{
MyTreeListBandInfo bi = GetBandInfoByPoint(pt);
if (bi != null)
{
TreeListHitTest ht = new TreeListHitTest();
ht.ColumnInfo = bi;
ht.HitInfoType = HitInfoType.Column;
return(ht);
}
}
return(base.GetHitTest(pt));
}
public override void DoEndColumnDragging(Point p, HitInfoType ht)
{
Data.DragMaster.EndDrag();
if (LastPosition != null && ht != HitInfoType.CustomizationForm && !IsInCustomizationZone(p))
{
MyPositionInfo pos = new MyPositionInfo();
pos.Assign(LastPosition);
if (SourceBandInfo == null)
{
TreeList.MyRaiseDragObjectDrop(new DragObjectDropEventArgs(SourceInfo.Column, pos));
}
else
{
TreeList.MyRaiseDragObjectDrop(new DragObjectDropEventArgs(SourceBandInfo.Band, pos));
}
if (LastPosition.Valid)
{
if (pos.Index >= 0)
{
MyTreeListBandInfo posBandInfo = ColumnInfoToBandInfo(pos.Info);
if (SourceBandInfo == null)
{
if (posBandInfo == null)
{
TreeList.Swap(pos.Info.Column, SourceInfo.Column);
}
else
{
TreeList.Swap(posBandInfo.Band, SourceInfo.Column);
}
}
else
{
if (posBandInfo == null)
{
TreeList.Swap(SourceBandInfo.Band, pos.Info.Column);
}
else
{
TreeList.Swap(SourceBandInfo.Band, posBandInfo.Band);
}
}
}
}
}
UpdateColumnDragFrame(Rectangle.Empty);
SetState(Regular);
}