using System.Diagnostics.Eventing.Reader;
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using System.Drawing;
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using System.Runtime.CompilerServices;
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using System.Windows.Forms;
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namespace DPumpHydr.WinFrmUI.WenSkin.Controls
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{
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public class WenTreeDataGridViewTextBoxCell : DataGridViewTextBoxCell
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{
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private TreeDataGridViewCellValues Values { get; set; }
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protected override void Paint(Graphics g, Rectangle clipBounds, Rectangle cellBounds, int rowIndex, DataGridViewElementStates cellState, object value, object formattedValue, string errorText, DataGridViewCellStyle cellStyle, DataGridViewAdvancedBorderStyle advancedBorderStyle, DataGridViewPaintParts paintParts)
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{
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base.Paint(g, clipBounds, cellBounds, rowIndex, cellState, value, formattedValue, errorText, cellStyle, advancedBorderStyle, paintParts);
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if (value is TreeDataGridViewCellValues treeData)
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{
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int indent = treeData.Indent * treeData.Level + 3;
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RectangleF rec = new RectangleF(cellBounds.X, cellBounds.Y + 1, cellBounds.Width - 1, cellBounds.Height - 2);
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ControlHelper.SetGDIHigh(g);
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RectangleF recStr = new RectangleF(rec.X + 16 + indent, rec.Y, rec.Width, rec.Height);
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if ((cellState | DataGridViewElementStates.Selected) == cellState)
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{
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g.FillRectangle(new SolidBrush(cellStyle.SelectionBackColor), rec);
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g.DrawString(treeData.Text, cellStyle.Font, new SolidBrush(cellStyle.SelectionForeColor), recStr, ControlHelper.StringConters);
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}
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else
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{
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g.FillRectangle(new SolidBrush(cellStyle.BackColor), rec);
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g.DrawString(treeData.Text, cellStyle.Font, new SolidBrush(cellStyle.ForeColor), recStr, ControlHelper.StringConters);
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}
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#region 其他方法
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//按钮区域
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//Rectangle recButton = new Rectangle((int)rec.X + indent, (int)rec.Y + (int)(rec.Height - 12) / 2, 12, 12);
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//用gdi绘制
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//g.DrawRectangle(Pens.Gray, recButton);
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////绘制横线一条 -
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//g.DrawLine(Pens.Black, recButton.X+1, recButton.Y + 6, recButton.X + 10, recButton.Y + 6);
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//if (treeData.CellState)
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// g.DrawLine(Pens.Black, recButton.X + 6, recButton.Y+1, recButton.X + 6, recButton.Y + 10);
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////画虚线
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//using (Pen p=new Pen(Color.Gray) {DashStyle=System.Drawing.Drawing2D.DashStyle.Dot })
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//{
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// Rectangle xian=DataGridView.Rows[rowIndex].Cells[]
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// g.DrawLine(p,)
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//}
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#endregion
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// 采用图片绘制
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Image image = WenSkin.Properties.Resources.sanjiaoxing;
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image.RotateFlip(RotateFlipType.Rotate180FlipNone);
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if (treeData.CellState)
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image.RotateFlip(RotateFlipType.Rotate270FlipNone);
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g.DrawImage(image, rec.X + indent, rec.Y + (rec.Height - 16) / 2, 16, 16);
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}
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}
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protected override void OnMouseClick(DataGridViewCellMouseEventArgs e)
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{
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base.OnMouseClick(e);
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Rectangle cellRec = this.ContentBounds;
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if (this.Value is TreeDataGridViewCellValues treeData)
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{
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Rectangle rec = new Rectangle(treeData.Level * treeData.Indent
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, (cellRec.Height - 16) / 2, 16, 16);
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if (rec.Contains(e.Location))
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{
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if (!treeData.CellState)
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{
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CloseSubNode(treeData.Nodes, e.ColumnIndex);
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treeData.CellState = true;
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}
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else
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{
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foreach (TreeDataGridViewRowNode item in treeData.Nodes)
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{
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item.DataGridViewRow.Visible = true;
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}
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treeData.CellState = false;
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}
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}
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}
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}
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private void CloseSubNode(TreeDataGridViewRowNodeCollection nodes, int columnIndex)
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{
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foreach (TreeDataGridViewRowNode item in nodes)
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{
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item.DataGridViewRow.Visible = false;
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if (item.DataGridViewRow.Cells[columnIndex].Value is TreeDataGridViewCellValues values)
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{
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values.CellState = true;
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}
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if (item.Nodes.Count > 0)
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CloseSubNode(item.Nodes, columnIndex);
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}
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}
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//值变化
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protected override bool SetValue(int rowIndex, object value)
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{
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if (value is TreeDataGridViewCellValues treeData)
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{
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Values = treeData;
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return base.SetValue(rowIndex, value);
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}
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else if (Values is TreeDataGridViewCellValues v)
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{
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v.Text = value?.ToString();
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return base.SetValue(rowIndex, this.Values);
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}
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return base.SetValue(rowIndex, value);
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}
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}
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}
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