public MyTreeList()
: base()
{
Bands = new MyTreeListBandCollection(this);
fRootBand = Bands[0];
this.PopupMenuShowing += onPopupMenuShowing;
}
public static bool IsValid(MyTreeListBand Band)
{
if ((Band == null) || (Band.Position < 0) || (Band.Width < 1))
{
return(false);
}
if (Band.Parent != null)
{
foreach (MyTreeListBand Child in Band.Parent.Children)
{
if (Child != Band) //Intersection check
{
if (Child.Position > Band.Position)
{
if (Band.EndPosition >= Child.Position)
{
return(false);
}
}
else
{
if (Child.EndPosition >= Band.Position)
{
return(false);
}
}
}
}
}
return(true);
}
public MyTreeListBandInfo(MyTreeListBand band)
: base(band.BandColumn)
//: base(new TreeListColumn())
{
fBand = band;
Type = ColumnInfoType.ColumnButton;
}
public virtual bool IsBrother(MyTreeListBand Band)
{
if (Band == null)
{
return(false);
}
return(Band.Parent == Parent);
}
public bool Swap(MyTreeListBand BandA, MyTreeListBand BandB)
{
if (BandA.Parent != null)
{
return(BandA.Parent.TryToSwap(BandA, BandB));
}
return(false);
}
public bool Swap(MyTreeListBand Band, TreeListColumn Column)
{
if (Band.Parent != null)
{
return(Band.Parent.TryToSwapBandAndColumn(Band, Column));
}
return(false);
}
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);
}
public MyTreeListBand(MyTreeList TreeList, MyTreeListBand parent, int position, int width, string name)
{
fTreeList = TreeList;
fChildren = new MyTreeListBandCollection(this, TreeList.Bands);
fColumns = new TreeListColumn[width];
fParent = parent;
fName = name;
fPosition = position;
fLevel = (Parent == null) ? 0 : Parent.Level + 1;
fBandColumn = null;
fVisible = true;
}
public void CalcCellBandMap(MyTreeListBand Band)
{
Source = new BandMapCell[Band.Width, Band.GetDepth()];
for (int i = 0; i < Band.Width; i++)
{
if (Band.Columns[i] != null)
{
Source[i, 0] = new BandMapCell(Band.Columns[i], true, true);
}
}
foreach (MyTreeListBand Child in Band.Children)
{
FillCellSource(Child, Child.Position, 0);
}
int EmptyLevelCount = 0;
for (int i = LevelCount - 1; i >= 0; i--)
{
bool EmptyLevel = true;
for (int j = 0; j < ColCount; j++)
{
if (Source[j, i] != null)
{
EmptyLevel = false;
break;
}
}
if (EmptyLevel)
{
EmptyLevelCount++;
}
else
{
break;
}
}
if (EmptyLevelCount > 0)
{
int NewLevelCount = LevelCount - EmptyLevelCount;
BandMapCell[,] Temp = new BandMapCell[ColCount, NewLevelCount];
for (int i = 0; i < ColCount; i++)
{
for (int j = 0; j < NewLevelCount; j++)
{
Temp[i, j] = Source[i, j];
}
}
Source = Temp;
}
}
public void CalcBandMap(MyTreeListBand Band)
{
Source = new BandMapCell[Band.Width, Band.GetDepth()];
for (int i = 0; i < Band.Width; i++)
{
if (Band.Columns[i] != null)
{
Source[i, 0] = new BandMapCell(Band.Columns[i], true, true);
}
}
foreach (MyTreeListBand Child in Band.Children)
{
FillSource(Child, Child.Position, 0);
}
}
public virtual void Remove(MyTreeListBand Band)
{
foreach (MyTreeListBand Child in Band.Children)
{
Remove(Child);
}
Band.Children.Clear();
if (Band.Parent != null)
{
Band.Parent.Children.Remove(Band);
for (int i = 0; i < Band.Width; i++)
{
Band.Parent.SetColumn(i + Band.Position, Band.Columns[i]);
}
}
Remove(Band);
}
public TreeListColumn GetColumn(int Index)
{
if ((Index >= 0) && (Index < Width))
{
int Handle = IndexToColumnHandle(Index);
MyTreeListBand Child = Children.FindAtHandle(Handle);
if (Child == null)
{
return(Columns[Index]);
}
else
{
return(Child.GetColumn(Child.ColumnHandleToIndex(Handle)));
}
}
return(null);
}
protected void FillSource(MyTreeListBand Band, int Offset, int Level)
{
object CellObj = (Band.BandColumn == null) ? (object)Band : (object)Band.BandColumn;
for (int i = 0; i < Band.Width; i++)
{
Source[Offset + i, Level] = new BandMapCell(CellObj, i == 0, i == (Band.Width - 1));
if (Band.Columns[i] != null)
{
Source[Offset + i, Level + 1] = new BandMapCell(Band.Columns[i], true, true);
}
}
foreach (MyTreeListBand Child in Band.Children)
{
FillSource(Child, Offset + Child.Position, Level + 1);
}
}
public void SetColumn(int Index, TreeListColumn Column)
{
if ((Column != null) && (Index >= 0) && (Index < Width))
{
int Handle = IndexToColumnHandle(Index);
MyTreeListBand Child = Children.FindAtHandle(Handle);
if (Child == null)
{
Columns[Index] = Column;
Column.VisibleIndex = Handle;
}
else
{
Child.SetColumn(Child.ColumnHandleToIndex(Handle), Column);
Columns[Index] = null;
}
}
}
private void FillCellSource(MyTreeListBand Band, int Offset, int Level)
{
int NewLevel = (Band.BandColumn == null) ? Level : Level + 1;
for (int i = 0; i < Band.Width; i++)
{
if (Band.BandColumn != null)
{
Source[Offset + i, Level] = new BandMapCell(Band.BandColumn, i == 0, i == (Band.Width - 1));
}
if (Band.Columns[i] != null)
{
Source[Offset + i, NewLevel] = new BandMapCell(Band.Columns[i], true, true);
}
}
foreach (MyTreeListBand Child in Band.Children)
{
FillCellSource(Child, Offset + Child.Position, NewLevel);
}
}
private void Form1_Load(object sender, EventArgs e)
{
//myTreeList1.DataSource = null;
//myTreeList1.Columns.Clear();
//myTreeList1.Bands.Clear();
//myTreeList1.RootBand.Children.Clear();
DT = new DataTable();
DT.Columns.Add("ID", typeof(int));
DT.Columns.Add("ParentID", typeof(int));
DT.Columns.Add("FirstName", typeof(string));
DT.Columns.Add("LastName", typeof(string));
DT.Columns.Add("Age", typeof(int));
DT.Columns.Add("Position", typeof(string));
DT.Columns.Add("Experience", typeof(int));
DT.Rows.Add(1, 0, "Andy", "Smith", 45, "Director", 15);
DT.Rows.Add(2, 1, "Elizabeth", "Woods", 30, "Manager", 9);
DT.Rows.Add(3, 2, "Henry", "Hill", 28, "Employee", 4);
DT.Rows.Add(4, 2, "Bobby", "Lopez", 24, "Employee", 2);
DT.Rows.Add(5, 1, "Joe", "Martinez", 38, "Chief accountant", 13);
DT.Rows.Add(6, 5, "Nora", "Gates", 22, "Accountant", 1);
DT.Rows.Add(7, 0, "Derek", "Swanson", 58, "Director", 25);
DT.Rows.Add(8, 7, "Ben", "Davidson", 22, "Employee", 3);
myTreeList1.DataSource = DT;
myTreeList1.ForceInitialize();
gridControl1.DataSource = DT;
myTreeList1.SetBandsWidth(3);
MyTreeListBand BandPersInfo = myTreeList1.Bands.Add(0, 2, "Personal info");
MyTreeListBand BandLastName = BandPersInfo.CreateChild(0, 2, "Last Name");
MyTreeListBand BandWorkInfo = myTreeList1.Bands.Add(2, 1, "Work info");
MyTreeListBand BandPosition = BandWorkInfo.CreateChild(0, 1, "Position");
BandLastName.SetColumn(0, myTreeList1.Columns[0]);
BandLastName.BandColumn = myTreeList1.Columns[1];
BandLastName.SetColumn(1, myTreeList1.Columns[2]);
BandPosition.BandColumn = myTreeList1.Columns[3];
BandPosition.SetColumn(0, myTreeList1.Columns[4]);
myTreeList1.ViewInfo.RC.NeedsRestore = true;
myTreeList1.LayoutChanged();
myTreeList1.BestFitColumns();
myTreeList1.LayoutChanged();
}
protected internal virtual MyTreeListBand Add(MyTreeListBand Band)
{
if (MyTreeListBand.IsValid(Band))
{
if (fTreeListBands != null)
{
foreach (MyTreeListBand Child in Band.Children)
{
fTreeListBands.Add(Child);
}
}
if (Band.Parent != null)
{
for (int i = Band.Position; i <= Band.EndPosition; i++)
{
Band.Parent.SetColumn(i, Band.Parent.Columns[i]);
}
}
return(this[List.Add(Band)]);
}
return(null);
}
public virtual bool TryToSwap(MyTreeListBand A, MyTreeListBand B)
{
if ((this != A.Parent) || (this != B.Parent))
{
return(false);
}
int Start = Math.Min(B.Position, A.Position);
int End = Math.Max(B.Position, A.Position);
if (A.Position < B.Position)
{
B.Position = A.Position;
A.Position = B.Position + B.Width;
}
else
{
A.Position = B.Position;
B.Position = A.Position + A.Width;
}
Children.UpdateColumns();
return(true);
}
public bool TryToSwapBandAndColumn(MyTreeListBand Band, TreeListColumn Column)
{
if ((Band == null) || (Column == null) || (Band.Parent != this))
{
return(false);
}
int ColumnPosition = -1;
for (int i = 0; i < Width; i++)
{
if (Columns[i] == Column)
{
ColumnPosition = i;
}
}
if (ColumnPosition < 0)
{
return(false);
}
int Start = Math.Min(ColumnPosition, Band.Position);
int End = Math.Max(ColumnPosition, Band.Position);
int NewColumnPosition;
if (Band.Position < ColumnPosition)
{
NewColumnPosition = Band.Position;
Band.Position = NewColumnPosition + 1;
}
else
{
Band.Position = ColumnPosition;
NewColumnPosition = Band.Position + Band.Width;
}
Columns[NewColumnPosition] = Columns[ColumnPosition];
Columns[ColumnPosition] = null;
Children.UpdateColumns();
return(true);
}
public virtual bool Contains(MyTreeListBand Band)
{
return(List.Contains(Band));
}
public virtual MyTreeListBand Add(int Index, int Width, string Name)
{
MyTreeListBand Res = fRootBand.CreateChild(Index, Width, Name);
return(Add(Res));
}
public MyTreeListBandCollection(MyTreeList treeList)
{
fRootBand = new MyTreeListBand(treeList, null, 0, treeList.Columns.Count, string.Empty);
List.Add(fRootBand);
fTreeListBands = null;
}
public MyTreeListBandCollection(MyTreeListBand RootBand, MyTreeListBandCollection TreeListBands)
{
fRootBand = RootBand;
fTreeListBands = TreeListBands;
}
public MyTreeListBand CreateChild(int Position, int ChildWidth, string ChildName)
{
MyTreeListBand Res = new MyTreeListBand(fTreeList, this, Position, ChildWidth, ChildName);
return(Children.Add(Res));
}
