DataGridView 다 중 열 헤더,병합 셀
http://blog.sina.com.cn/s/blog_63160fa801014ity.html
public partial class ExtDataGridView : DataGridView
{
#region 、
///
///
///
private TreeView _columnTreeView = null;
///
/// DataGirdView
///
private ArrayList _columnList = new ArrayList();
///
///
///
private int _cellHeight = 17;
///
///
///
public int CellHeight
{
get { return _cellHeight; }
set { _cellHeight = value; }
}
private List _mergecolumnname = new List();
///
///
///
private int _columnDeep = 1;
///
///
///
private bool _hscrollRefresh = false;
///
/// ， ，
///
[Description(" ， ， ")]
public bool RefreshAtHscroll
{
get { return _hscrollRefresh; }
set { _hscrollRefresh = value; }
}
[Description(" ")]
public int ColumnDeep
{
get
{
if (this.Columns.Count == 0)
_columnDeep = 1;
this.ColumnHeadersHeight = _cellHeight * _columnDeep;
return _columnDeep;
}
set
{
if (value < 1)
_columnDeep = 1;
else
_columnDeep = value;
this.ColumnHeadersHeight = _cellHeight * _columnDeep;
}
}
[Description(" ")]
public TreeView ColumnTreeView
{
get { return _columnTreeView; }
set
{
_columnTreeView = value;
}
}
[Description(" ")]
public TreeView ColumnTreeViewNode
{
get
{
if (_columnTreeView == null)
return null;
return _columnTreeView;
}
}
///
///
///
[MergableProperty(false)]
[Editor("System.Windows.Forms.Design.ListControlStringCollectionEditor, System.Design, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a", typeof(UITypeEditor))]
[DesignerSerializationVisibility(System.ComponentModel.DesignerSerializationVisibility.Visible)]
[Localizable(true)]
[Description(" "), Browsable(true), Category(" ")]
public List MergeColumnNames
{
get
{
return _mergecolumnname;
}
set
{
_mergecolumnname = value;
}
}
///
///
///
public ArrayList NadirColumnList
{
get
{
if (_columnTreeView == null)
return null;
//if (_columnTreeView[0] == null)
// return null;
if (_columnTreeView.Nodes == null)
return null;
if (_columnTreeView.Nodes.Count == 0)
return null;
_columnList.Clear();
GetNadirColumnNodes(_columnList, _columnTreeView.Nodes[0], false);
return _columnList;
}
}
#endregion
#region
///
/// DataGridView
///
public ExtDataGridView()
{
InitializeComponent();
this.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.DisableResizing;
//
//
base.ColumnHeadersDefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;
// DataGrid
//base.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
}
#endregion
#region
///
///
///
///
///
///
///
public void PaintUnitHeader(TreeNode node, DataGridViewCellPaintingEventArgs e, int level)
{
//
if (level == 0)
return;
RectangleF uhRectangle;
int uhWidth;
SolidBrush gridBrush = new SolidBrush(this.GridColor);
SolidBrush backColorBrush = new SolidBrush(e.CellStyle.BackColor);
Pen gridLinePen = new Pen(gridBrush);
StringFormat textFormat = new StringFormat();
textFormat.Alignment = StringAlignment.Center;
uhWidth = GetUnitHeaderWidth(node);
if (node.Nodes.Count == 0)
{
uhRectangle = new Rectangle(e.CellBounds.Left,
e.CellBounds.Top + node.Level * _cellHeight,
uhWidth - 1,
_cellHeight * (_columnDeep - node.Level) - 1);
}
else
{
uhRectangle = new Rectangle(
e.CellBounds.Left,
e.CellBounds.Top + node.Level * _cellHeight,
uhWidth - 1,
_cellHeight - 1);
}
//
e.Graphics.FillRectangle(backColorBrush, uhRectangle);
//
e.Graphics.DrawLine(gridLinePen
, uhRectangle.Left
, uhRectangle.Bottom
, uhRectangle.Right
, uhRectangle.Bottom);
//
e.Graphics.DrawLine(gridLinePen
, uhRectangle.Right
, uhRectangle.Top
, uhRectangle.Right
, uhRectangle.Bottom);
////
e.Graphics.DrawString(node.Text, this.Font
, new SolidBrush(e.CellStyle.ForeColor)
, uhRectangle.Left + uhRectangle.Width / 2 -
e.Graphics.MeasureString(node.Text, this.Font).Width / 2 - 1
, uhRectangle.Top +
uhRectangle.Height / 2 - e.Graphics.MeasureString(node.Text, this.Font).Height / 2);
// ()
if (node.PrevNode == null)
if (node.Parent != null)
PaintUnitHeader(node.Parent, e, level - 1);
}
///
///
///
///
///
///
private int GetUnitHeaderWidth(TreeNode node)
{
//
int uhWidth = 0;
int index = 0;
//
if (node.Nodes == null || node.Nodes.Count == 0)
{
index = GetColumnListNodeIndex(node);
if (this.Columns.Count > index)
return this.Columns[index].Width;
else
return uhWidth;
}
//if (node.Nodes.Count == 0)
// return this.Columns[GetColumnListNodeIndex(node)].Width;
for (int i = 0; i <= node.Nodes.Count - 1; i++)
{
uhWidth = uhWidth + GetUnitHeaderWidth(node.Nodes[i]);
}
return uhWidth;
}
///
///
///
///'
///
///
private int GetColumnListNodeIndex(TreeNode node)
{
for (int i = 0; i <= _columnList.Count - 1; i++)
{
if (((TreeNode)_columnList[i]).Equals(node))
return i;
}
return -1;
}
///
///
///
///
///
///
///
private void GetNadirColumnNodes(ArrayList alList, TreeNode node, Boolean isChecked)
{
if (isChecked == false)
{
if (node.FirstNode == null)
{
alList.Add(node);
if (node.NextNode != null)
{
GetNadirColumnNodes(alList, node.NextNode, false);
return;
}
if (node.Parent != null)
{
GetNadirColumnNodes(alList, node.Parent, true);
return;
}
}
else
{
if (node.FirstNode != null)
{
GetNadirColumnNodes(alList, node.FirstNode, false);
return;
}
}
}
else
{
if (node.FirstNode == null)
return;
else
{
if (node.NextNode != null)
{
GetNadirColumnNodes(alList, node.NextNode, false);
return;
}
if (node.Parent != null)
{
GetNadirColumnNodes(alList, node.Parent, true);
return;
}
}
}
}
#endregion
#region
///
/// ( )
///
///
///
protected override void OnCellPainting(System.Windows.Forms.DataGridViewCellPaintingEventArgs e)
{
try
{
if (e.RowIndex > -1 && e.ColumnIndex > -1 && MergeColumnNames.Count > 0)
{
MergeCell(e);
}
else if (_columnTreeView != null && _columnTreeView.Nodes.Count > 0)
{
//
if (e.ColumnIndex < 0)
{
base.OnCellPainting(e);
return;
}
if (_columnDeep == 1)
{
base.OnCellPainting(e);
return;
}
//
if (e.RowIndex == -1 && NadirColumnList != null)
{
if (e.ColumnIndex >= NadirColumnList.Count) { e.Handled = true; return; }
PaintUnitHeader((TreeNode)NadirColumnList[e.ColumnIndex]
, e
, _columnDeep);
e.Handled = true;
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
///
///
///
///
protected override void OnScroll(ScrollEventArgs e)
{
bool scrollDirection = (e.ScrollOrientation == ScrollOrientation.HorizontalScroll);
base.OnScroll(e);
if (RefreshAtHscroll && scrollDirection)
this.Refresh();
}
///
///
///
///
protected override void OnColumnWidthChanged(DataGridViewColumnEventArgs e)
{
//Graphics g = Graphics.FromHwnd(this.Handle);
//float uwh = g.MeasureString(e.Column.HeaderText, this.Font).Width;
//if (uwh >= e.Column.Width) { e.Column.Width = Convert.ToInt16(uwh); }
if (MergeColumnNames.Count > 0 ||
(_columnTreeView != null && _columnTreeView.Nodes.Count > 0))
{
this.Refresh();
}
base.OnColumnWidthChanged(e);
}
///
///
///
///
protected override void OnCellValueChanged(DataGridViewCellEventArgs e)
{
string colName = this.Columns[e.ColumnIndex].Name;
if (this.MergeColumnNames.Contains(colName))
this.Refresh();
base.OnCellValueChanged(e);
}
#endregion
#region
///
///
///
///
private void MergeCell(DataGridViewCellPaintingEventArgs e)
{
if (e.CellStyle.Alignment == DataGridViewContentAlignment.NotSet)
{
e.CellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;
}
Brush gridBrush = new SolidBrush(this.GridColor);
SolidBrush backBrush = new SolidBrush(e.CellStyle.BackColor);
SolidBrush fontBrush = new SolidBrush(e.CellStyle.ForeColor);
int cellwidth;
//
int UpRows = 0;
//
int DownRows = 0;
//
int count = 0;
if (this.MergeColumnNames.Contains(this.Columns[e.ColumnIndex].Name) && e.RowIndex != -1)
{
cellwidth = e.CellBounds.Width;
Pen gridLinePen = new Pen(gridBrush);
string curValue = e.Value == null ? "" : e.Value.ToString().Trim();
string curSelected = this.CurrentRow.Cells[e.ColumnIndex].Value == null ? "" : this.CurrentRow.Cells[e.ColumnIndex].Value.ToString().Trim();
if (!string.IsNullOrEmpty(curValue))
{
#region
for (int i = e.RowIndex; i < this.Rows.Count; i++)
{
if (this.Rows[i].Cells[e.ColumnIndex].Value != null && this.Rows[i].Cells[e.ColumnIndex].Value.ToString().Equals(curValue))
{
//this.Rows[i].Cells[e.ColumnIndex].Selected = this.Rows[e.RowIndex].Cells[e.ColumnIndex].Selected;
DownRows++;
if (e.RowIndex != i)
{
cellwidth = cellwidth < this.Rows[i].Cells[e.ColumnIndex].Size.Width ? cellwidth : this.Rows[i].Cells[e.ColumnIndex].Size.Width;
}
}
else
{
break;
}
}
#endregion
#region
for (int i = e.RowIndex; i >= 0; i--)
{
if (this.Rows[i].Cells[e.ColumnIndex].Value != null &&
this.Rows[i].Cells[e.ColumnIndex].Value.ToString().Equals(curValue))
{
//this.Rows[i].Cells[e.ColumnIndex].Selected = this.Rows[e.RowIndex].Cells[e.ColumnIndex].Selected;
UpRows++;
if (e.RowIndex != i)
{
cellwidth = cellwidth < this.Rows[i].Cells[e.ColumnIndex].Size.Width ? cellwidth : this.Rows[i].Cells[e.ColumnIndex].Size.Width;
}
}
else
{
break;
}
}
#endregion
count = DownRows + UpRows - 1;
if (count < 2)
{
return;
}
}
if (this.Rows[e.RowIndex].Selected)
{
backBrush.Color = e.CellStyle.SelectionBackColor;
fontBrush.Color = e.CellStyle.SelectionForeColor;
}
//
e.Graphics.FillRectangle(backBrush, e.CellBounds);
//
PaintingFont(e, cellwidth, UpRows, DownRows, count);
if (DownRows == 1)
{
e.Graphics.DrawLine(gridLinePen, e.CellBounds.Left, e.CellBounds.Bottom - 1, e.CellBounds.Right - 1, e.CellBounds.Bottom - 1);
count = 0;
}
//
e.Graphics.DrawLine(gridLinePen, e.CellBounds.Right - 1, e.CellBounds.Top, e.CellBounds.Right - 1, e.CellBounds.Bottom);
if (e.RowIndex == this.Rows.Count - 1)
e.Graphics.DrawLine(gridLinePen, e.CellBounds.Left, e.CellBounds.Bottom - 1, e.CellBounds.Right - 1, e.CellBounds.Bottom - 1);
e.Handled = true;
}
}
///
///
///
///
///
///
///
///
private void PaintingFont(System.Windows.Forms.DataGridViewCellPaintingEventArgs e, int cellwidth, int UpRows, int DownRows, int count)
{
SolidBrush fontBrush = new SolidBrush(e.CellStyle.ForeColor);
int fontheight = (int)e.Graphics.MeasureString(e.Value == null ? string.Empty : e.Value.ToString(), e.CellStyle.Font).Height;
int fontwidth = (int)e.Graphics.MeasureString(e.Value == null ? string.Empty : e.Value.ToString(), e.CellStyle.Font).Width;
int cellheight = e.CellBounds.Height;
if (e.CellStyle.Alignment == DataGridViewContentAlignment.BottomCenter)
{
e.Graphics.DrawString((String)e.Value, e.CellStyle.Font, fontBrush, e.CellBounds.X + (cellwidth - fontwidth) / 2, e.CellBounds.Y + cellheight * DownRows - fontheight);
}
else if (e.CellStyle.Alignment == DataGridViewContentAlignment.BottomLeft)
{
e.Graphics.DrawString((String)e.Value, e.CellStyle.Font, fontBrush, e.CellBounds.X, e.CellBounds.Y + cellheight * DownRows - fontheight);
}
else if (e.CellStyle.Alignment == DataGridViewContentAlignment.BottomRight)
{
e.Graphics.DrawString((String)e.Value, e.CellStyle.Font, fontBrush, e.CellBounds.X + cellwidth - fontwidth, e.CellBounds.Y + cellheight * DownRows - fontheight);
}
else if (e.CellStyle.Alignment == DataGridViewContentAlignment.MiddleCenter)
{
e.Graphics.DrawString((String)e.Value, e.CellStyle.Font, fontBrush, e.CellBounds.X + (cellwidth - fontwidth) / 2, e.CellBounds.Y - cellheight * (UpRows - 1) + (cellheight * count - fontheight) / 2);
}
else if (e.CellStyle.Alignment == DataGridViewContentAlignment.MiddleLeft)
{
e.Graphics.DrawString((String)e.Value, e.CellStyle.Font, fontBrush, e.CellBounds.X, e.CellBounds.Y - cellheight * (UpRows - 1) + (cellheight * count - fontheight) / 2);
}
else if (e.CellStyle.Alignment == DataGridViewContentAlignment.MiddleRight)
{
e.Graphics.DrawString((String)e.Value, e.CellStyle.Font, fontBrush, e.CellBounds.X + cellwidth - fontwidth, e.CellBounds.Y - cellheight * (UpRows - 1) + (cellheight * count - fontheight) / 2);
}
else if (e.CellStyle.Alignment == DataGridViewContentAlignment.TopCenter)
{
e.Graphics.DrawString((String)e.Value, e.CellStyle.Font, fontBrush, e.CellBounds.X + (cellwidth - fontwidth) / 2, e.CellBounds.Y - cellheight * (UpRows - 1));
}
else if (e.CellStyle.Alignment == DataGridViewContentAlignment.TopLeft)
{
e.Graphics.DrawString((String)e.Value, e.CellStyle.Font, fontBrush, e.CellBounds.X, e.CellBounds.Y - cellheight * (UpRows - 1));
}
else if (e.CellStyle.Alignment == DataGridViewContentAlignment.TopRight)
{
e.Graphics.DrawString((String)e.Value, e.CellStyle.Font, fontBrush, e.CellBounds.X + cellwidth - fontwidth, e.CellBounds.Y - cellheight * (UpRows - 1));
}
else
{
e.Graphics.DrawString((String)e.Value, e.CellStyle.Font, fontBrush, e.CellBounds.X + (cellwidth - fontwidth) / 2, e.CellBounds.Y - cellheight * (UpRows - 1) + (cellheight * count - fontheight) / 2);
}
}
#endregion
private void InitializeComponent()
{
((System.ComponentModel.ISupportInitialize)(this)).BeginInit();
this.SuspendLayout();
//
// HeaderUnitView
//
this.RowTemplate.Height = 23;
((System.ComponentModel.ISupportInitialize)(this)).EndInit();
this.ResumeLayout(false);
}
} 이 내용에 흥미가 있습니까?
현재 기사가 여러분의 문제를 해결하지 못하는 경우 AI 엔진은 머신러닝 분석(스마트 모델이 방금 만들어져 부정확한 경우가 있을 수 있음)을 통해 가장 유사한 기사를 추천합니다:
다양한 언어의 JSONJSON은 Javascript 표기법을 사용하여 데이터 구조를 레이아웃하는 데이터 형식입니다. 그러나 Javascript가 코드에서 이러한 구조를 나타낼 수 있는 유일한 언어는 아닙니다. 저는 일반적으로 '객체'{}...
텍스트를 자유롭게 공유하거나 복사할 수 있습니다.하지만 이 문서의 URL은 참조 URL로 남겨 두십시오.
CC BY-SA 2.5, CC BY-SA 3.0 및 CC BY-SA 4.0에 따라 라이센스가 부여됩니다.
좋은 웹페이지 즐겨찾기
