public HeaderCell[] GetMergedCells(LabelInfo info)
{
int count = info.MergedColMax - info.MergedColMin + 1;
HeaderCell[] MergedCells = new HeaderCell[count];
for (int i = 0; i < count; i++)
{
HeaderCell cell = GetCell(info.RowIndex, i + info.MergedColMin);
MergedCells[i] = cell;
}
return(MergedCells);
}
private void MyClick(object sender, System.EventArgs e)
{
Label lctl = sender as Label;
LabelInfo lblinfo = (LabelInfo)lctl.Tag;
if (_CurCell == null || this.SelCount == 0)
{
_SelCells.Clear();
_SelCells.Add(lctl);
}
else
{
int row = _CurCell.Row;
int col = _CurCell.Col;
if (row == lblinfo.RowIndex && this.SelCount == 1)
{
int mincol = Math.Min(col, lblinfo.MergedColMax);
int maxcol = Math.Max(col, lblinfo.MergedColMax);
for (int i = mincol; i <= maxcol; i++)
{
if (this.ColsToMerge.Contains(i))
{
_SelCells.Clear();
_SelCells.Add(lctl);
_CurCell = GetCell(lblinfo.RowIndex, lblinfo.MergedColMin);
if (this.txtEdit != null)
{
this.txtEdit.Text = this._CurCell.Text;
}
this.DrawSelCells();
return;
}
}
_SelCells.Clear();
this.AddLabelToArray(row, mincol, maxcol);
}
else
{
_SelCells.Clear();
_SelCells.Add(lctl);
}
}
_CurCell = GetCell(lblinfo.RowIndex, lblinfo.MergedColMin);
this.DrawSelCells();
if (this.txtEdit != null)
{
this.txtEdit.Text = this._CurCell.Text;
}
}
public HeaderCell MergeCells()
{
if (this.SelCount <= 1)
{
return(null);
}
int count = this.SelCount;
for (int i = 0; i < this.SelCount; i++)
{
Label SelLbl = this._SelCells[i] as Label;
LabelInfo lblinfo = (LabelInfo)SelLbl.Tag;
if (lblinfo.MergedColMax - lblinfo.MergedColMin > 0)
{
count += lblinfo.MergedColMax - lblinfo.MergedColMin;
}
}
int row = 0;
int col = -1;
for (int i = 0; i < this.SelCount; i++)
{
Label SelLbl = this._SelCells[i] as Label;
LabelInfo lblinfo = (LabelInfo)SelLbl.Tag;
row = lblinfo.RowIndex;
if (col < 0)
{
col = lblinfo.MergedColMin;
}
else
{
col = Math.Min(col, lblinfo.MergedColMin);
}
for (int k = lblinfo.MergedColMin; k <= lblinfo.MergedColMax; k++)
{
HeaderCell hc = GetCell(lblinfo.RowIndex, k);
hc.MergerdCount = count;
hc.MergerdIndex = i + k - lblinfo.MergedColMin;
}
}
if (col < 0 || col >= this.ColCount || row < 0 || row >= this.RowCount)
{
return(null);
}
return(GetCell(row, col));
}
public void UnMergeCells()
{
if (this.SelCount <= 0)
{
//MessageBox.Show("Please select the cells you want to unmerge!","Select cells",MessageBoxButtons.OK,MessageBoxIcon.Information);
return;
}
for (int i = 0; i < this.SelCount; i++)
{
Label SelLbl = this._SelCells[i] as Label;
LabelInfo lblinfo = (LabelInfo)SelLbl.Tag;
HeaderCell[] selcells = this.GetMergedCells(lblinfo);
foreach (HeaderCell hc in selcells)
{
if (hc == null)
{
return;
}
hc.MergerdCount = 0;
hc.MergerdIndex = 0;
}
}
}
public void DrawSelCells()
{
foreach (Control ctrl in this._HeaderContainer.Controls)
{
if (ctrl.Name.StartsWith("cell"))
{
continue;
}
ctrl.BackColor = Control.DefaultBackColor;
LabelInfo lblInfo = (LabelInfo)ctrl.Tag;
if (lblInfo.DefaultBackColor != Color.Empty)
{
ctrl.BackColor = lblInfo.DefaultBackColor;
}
}
foreach (Object obj in this._SelCells)
{
Label lbllast = obj as Label;
lbllast.BackColor = Color.Tomato;
}
}
public void PaintCells(Control Ctrl, Rectangle rect, IMultiHeader HeaderView)
{
ArrayList formats = new ArrayList();
HeaderView.GetPrnHeader(out formats);
this._HeaderContainer = Ctrl;
if (this.ColCount <= 0)
{
return;
}
int lblWidth = rect.Width / this.ColCount;
int lblHeight = rect.Height / this.RowCount;
this._SelCells.Clear();
this._CurCell = null;
#region add Controls
for (int i = 0; i < this.RowCount; i++)
{
int lblLocX = rect.X;
int lblLocY = rect.Y + i * lblHeight;
for (int j = 0; j < GetRow(i).ColCount; j++)
{
HeaderCell hc = GetCell(i, j);
Rectangle LabelRect = new Rectangle(lblLocX, lblLocY, lblWidth, lblHeight);
LabelInfo info = new LabelInfo();
info.RowIndex = i;
string Lbltext = hc.Text;
info.MergedColMax = info.MergedColMin = j;
string LblName = string.Format("{0}", i * ColCount + j);
if (hc.MergerdCount > 0)
{
LabelRect.Width = hc.MergerdCount * lblWidth;
j += hc.MergerdCount - 1;
info.MergedColMax = j;
}
#region Modify codes at 2008-11-5 15:16:51@Simon
if (this.ColsToMerge.Contains(j) && (HeaderView.HaveHeader || i > 0))
{
lblLocX += LabelRect.Width;
continue;
}
#endregion //End Modify
info.LblLoc = LabelRect.Location;
info.LblSize = LabelRect.Size;
Label lblcell = new Label();
lblcell.Name = LblName;
lblcell.Text = Lbltext;
lblcell.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
lblcell.BackColor = Control.DefaultBackColor;
if (i == 0 && !HeaderView.HaveHeader && j < formats.Count)
{
StringFormatFlags strflags = (StringFormatFlags)formats[j]; //Added this code at 2008-11-5 8:53:15@Simon
if ((strflags & StringFormatFlags.DirectionVertical) == StringFormatFlags.DirectionVertical)
{
lblcell.Paint += new PaintEventHandler(DrawLabelVertical);
}
}
info.DefaultBackColor = lblcell.BackColor;
lblcell.Tag = info;
if (this.GridLine)
{
lblcell.BorderStyle = BorderStyle.FixedSingle;
lblcell.Location = LabelRect.Location;
if (this.ColsToMerge.Contains(j))
{
lblcell.Size = new Size(lblWidth, rect.Height);
Ctrl.Controls.Add(lblcell);
lblLocX += LabelRect.Width;
continue;
}
else
{
lblcell.Size = LabelRect.Size;
}
}
else
{
lblcell.BorderStyle = BorderStyle.None;
lblcell.Location = new Point(LabelRect.X + 1, LabelRect.Y + 1);
if (this.ColsToMerge.Contains(j))
{
lblcell.Size = new Size(LabelRect.Width - 2, rect.Height - 2);
lblLocX += LabelRect.Width;
Ctrl.Controls.Add(lblcell);
continue;
}
else
{
lblcell.Size = new Size(LabelRect.Width - 2, LabelRect.Height - 2);
}
}
lblLocX += LabelRect.Width;
lblcell.Click += new System.EventHandler(MyClick);
Ctrl.Controls.Add(lblcell);
}
}
#endregion
}
