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using System;
using System.Windows.Forms;using System.Drawing;using System.Drawing.Printing;using System.Data;using System.Collections;using DataLibrary;namespace ControlLibrary
{ /// <summary> /// DataGrid打印 /// </summary> public class DataGridPrinter { private PrintDocument ThePrintDocument; private DataTable TheTable; private DataGrid TheDataGrid; public int RowCount = 0; private const int kVerticalCellLeeway = 10; public int PageNumber = 1; public ArrayList Lines = new ArrayList(); public int header=0; public int footer=0; DataCatena DataCatena1; public int PageWidth; public int PageHeight; public int TopMargin; public int BottomMargin; int GridWidth = 0; public int LeftMargin; public int RightMargin; public string PaperName; public int pagecount; private int rows_page; public bool showfooter;public int bodylength
{ get { if(this.PageNumber<this.pagecount) return (1+this.rows_page) * ((int)(TheDataGrid.Font.SizeInPoints) + kVerticalCellLeeway); else return (this.TheTable.Rows.Count + 1 -(this.rows_page*(this.PageNumber-1))) * ( (int)(TheDataGrid.Font.SizeInPoints) + kVerticalCellLeeway); } }public DataGridPrinter(DataGrid aGrid, PrintDocument aPrintDocument,string theform,int Header,int Footer)
{ // // TODO: Add constructor logic here // this.header=Header; this.footer=Footer; this.showfooter=true; TheDataGrid = aGrid; ThePrintDocument = aPrintDocument; if(theform!="") { DataCatena1=new DataCatena(); DataView myDV=DataCatena1.GetDataView("select * from yh_bbdy where bm='"+theform +"'");this.PaperName=myDV[0]["zm"].ToString();
PaperSize pkSize;
if(myDV[0]["fx"].ToString()=="True")
this.ThePrintDocument.DefaultPageSettings.Landscape=true; else this.ThePrintDocument.DefaultPageSettings.Landscape=false;int found=0;
for (int i = 0; i < this.ThePrintDocument.PrinterSettings.PaperSizes.Count; i++) { pkSize = this.ThePrintDocument.PrinterSettings.PaperSizes[i]; if(pkSize.PaperName==this.PaperName) { this.ThePrintDocument.DefaultPageSettings.PaperSize=pkSize; found=1; i=this.ThePrintDocument.PrinterSettings.PaperSizes.Count; if(this.ThePrintDocument.DefaultPageSettings.Landscape) { PageHeight = pkSize.Width; PageWidth = pkSize.Height; } else { PageWidth = pkSize.Width; PageHeight = pkSize.Height; } } }if(found==0)
{ if(this.ThePrintDocument.DefaultPageSettings.Landscape) { PageHeight = Int32.Parse(myDV[0]["zk"].ToString()); PageWidth = Int32.Parse(myDV[0]["zc"].ToString()); } else { PageWidth = Int32.Parse(myDV[0]["zk"].ToString()); PageHeight = Int32.Parse(myDV[0]["zc"].ToString()); } }TopMargin = Int32.Parse(myDV[0]["sk"].ToString());
BottomMargin = Int32.Parse(myDV[0]["xk"].ToString()); RightMargin = Int32.Parse(myDV[0]["rightk"].ToString()); LeftMargin = Int32.Parse(myDV[0]["leftk"].ToString()); } else { PageWidth = ThePrintDocument.DefaultPageSettings.PaperSize.Width; PageHeight = ThePrintDocument.DefaultPageSettings.PaperSize.Height; TopMargin = ThePrintDocument.DefaultPageSettings.Margins.Top; BottomMargin = ThePrintDocument.DefaultPageSettings.Margins.Bottom; RightMargin = ThePrintDocument.DefaultPageSettings.Margins.Right; LeftMargin = ThePrintDocument.DefaultPageSettings.Margins.Left; }PageWidth -= this.LeftMargin ;
PageWidth -= this.RightMargin;this.rows_page=(int)((float)(this.PageHeight-this.TopMargin-this.BottomMargin-this.footer-this.header)/(TheDataGrid.Font.SizeInPoints + kVerticalCellLeeway));
for (int k = 0; k < TheDataGrid.TableStyles[0].GridColumnStyles.Count; k++)
{ GridWidth += TheDataGrid.TableStyles[0].GridColumnStyles[k].Width; // TheTable.Columns[k].ToString(); }}
public void DrawHeader(Graphics g)
{ SolidBrush ForeBrush = new SolidBrush(TheDataGrid.HeaderForeColor); SolidBrush BackBrush = new SolidBrush(Color.White); //(TheDataGrid.HeaderBackColor); Pen TheLinePen = new Pen(TheDataGrid.GridLineColor, 1); StringFormat cellformat = new StringFormat(); cellformat.Trimming = StringTrimming.EllipsisCharacter; cellformat.FormatFlags = StringFormatFlags.NoWrap | StringFormatFlags.LineLimit; cellformat.Alignment= StringAlignment.Center; int columnwidth = 0;int initialRowCount = RowCount;
// draw the table header
float startxposition = this.LeftMargin; //TheDataGrid.Location.X; RectangleF nextcellbounds = new RectangleF(0,0, 0, 0);/*
这一段是画表头底色的代码RectangleF HeaderBounds = new RectangleF(0, 0, 0, 0);
HeaderBounds.X = this.LeftMargin; //TheDataGrid.Location.X;
HeaderBounds.Y = + (RowCount - initialRowCount) * (TheDataGrid.Font.SizeInPoints + kVerticalCellLeeway); HeaderBounds.Height = TheDataGrid.Font.SizeInPoints + kVerticalCellLeeway; HeaderBounds.Width = PageWidth; */ float y1=(float)(header+this.TopMargin);g.DrawLine(TheLinePen, this.LeftMargin, y1, this.LeftMargin + this.PageWidth, y1);
y1=y1+ (float)(TheDataGrid.Font.SizeInPoints + kVerticalCellLeeway); g.DrawLine(TheLinePen, this.LeftMargin, y1, this.LeftMargin + this.PageWidth, y1);// g.FillRectangle(BackBrush, HeaderBounds);
for (int k = 0; k < this.TheDataGrid.TableStyles[0].GridColumnStyles.Count; k++)
{ columnwidth = TheDataGrid.TableStyles[0].GridColumnStyles[k].Width * PageWidth / this.GridWidth;string nextcolumn = TheDataGrid.TableStyles[0].GridColumnStyles[k].HeaderText; // TheTable.Columns[k].ToString(); + (RowCount - initialRowCount) * (TheDataGrid.Font.SizeInPoints + kVerticalCellLeeway)
RectangleF cellbounds = new RectangleF(startxposition, header + TopMargin+2 , columnwidth, TheDataGrid.HeaderFont.SizeInPoints + kVerticalCellLeeway-2); nextcellbounds = cellbounds;if (startxposition + columnwidth <= PageWidth+this.LeftMargin)
{ g.DrawString(nextcolumn, TheDataGrid.HeaderFont, ForeBrush, cellbounds, cellformat); }startxposition = startxposition + columnwidth;
}
y1=y1+ (float)(TheDataGrid.Font.SizeInPoints + kVerticalCellLeeway); g.DrawLine(TheLinePen, this.LeftMargin, y1, this.LeftMargin + this.PageWidth, y1); //if (TheDataGrid.GridLineStyle != DataGridLineStyle.None) // g.DrawLine(TheLinePen, TheDataGrid.Location.X, nextcellbounds.Bottom, PageWidth, nextcellbounds.Bottom); }public void SetDataSource(DataTable aTable)
{ TheTable = aTable; this.pagecount=(int)Math.Ceiling((double)(TheTable.Rows.Count)/(double)(this.rows_page)); // MessageBox.Show("rows_count:"+TheTable.Rows.Count.ToString()+" rows_page:"+rows_page.ToString() + "page_count:" +this.pagecount.ToString()); // this.ThePrintDocument }public bool DrawRows(Graphics g)
{ int lastRowBottom = TopMargin; Lines.Clear();try
{ SolidBrush ForeBrush = new SolidBrush(TheDataGrid.ForeColor); SolidBrush BackBrush = new SolidBrush(TheDataGrid.BackColor); SolidBrush AlternatingBackBrush = new SolidBrush(TheDataGrid.AlternatingBackColor); Pen TheLinePen = new Pen(TheDataGrid.GridLineColor, 1); StringFormat cellformat = new StringFormat(); cellformat.Trimming = StringTrimming.EllipsisCharacter; cellformat.FormatFlags = StringFormatFlags.NoWrap | StringFormatFlags.LineLimit; int columnwidth = PageWidth/TheDataGrid.TableStyles[0].GridColumnStyles.Count;int initialRowCount = (this.PageNumber-1)*this.rows_page;
int endrow=initialRowCount+this.rows_page;RectangleF RowBounds = new RectangleF(0, 0, 0, 0);
// draw vertical lines
// draw the rows of the table
for (int i = initialRowCount; i < TheTable.Rows.Count && i< endrow; i++) { DataRow dr = TheTable.Rows[i]; int startxposition = this.LeftMargin+2; //TheDataGrid.Location.X;RowBounds.X = 0;
RowBounds.Y = header + TopMargin + ((RowCount - initialRowCount)+1) * (TheDataGrid.Font.SizeInPoints + kVerticalCellLeeway); RowBounds.Height = TheDataGrid.Font.SizeInPoints + kVerticalCellLeeway; RowBounds.Width = PageWidth;/* ///这一段是画表格底色的代码 if (i%2 == 0) { g.FillRectangle(BackBrush, RowBounds); } else { g.FillRectangle(AlternatingBackBrush, RowBounds); } */
for (int j = 0; j < TheDataGrid.TableStyles[0].GridColumnStyles.Count; j++)
{ columnwidth = TheDataGrid.TableStyles[0].GridColumnStyles[j].Width* PageWidth / this.GridWidth -2; RectangleF cellbounds = new RectangleF(startxposition, header + TopMargin + 2 + ((RowCount - initialRowCount) + 1) * (TheDataGrid.Font.SizeInPoints + kVerticalCellLeeway), columnwidth, TheDataGrid.Font.SizeInPoints + kVerticalCellLeeway);if (startxposition + columnwidth <= PageWidth)
{ g.DrawString(dr[(TheDataGrid.TableStyles[0].GridColumnStyles[j].MappingName)].ToString(), TheDataGrid.Font, ForeBrush, cellbounds, cellformat); }startxposition = startxposition + columnwidth+2;
}Lines.Add(RowBounds.Bottom);
lastRowBottom = (int)RowBounds.Bottom;RowCount++;
}DrawHorizontalLines(g, Lines);
DrawVerticalGridLines(g, TheLinePen,lastRowBottom); if(this.showfooter==true) DrawFooter(g);if (this.PageNumber<this.pagecount)
{ return true; } else { return false; }}
catch (Exception ex) { MessageBox.Show(ex.Message.ToString());return false;
}}
void DrawFooter(Graphics g)
{ FontFamily fontFamily = new FontFamily("宋体");string text="第"+this.PageNumber.ToString()+"页 共"
+this.pagecount.ToString()+"页";Font font = new Font(
fontFamily, 10, FontStyle.Regular, GraphicsUnit.Point);SizeF size= g.MeasureString(text,font);
int startpos = this.PageHeight
-this.BottomMargin;SolidBrush ForeBrush = new SolidBrush(Color.Black);
StringFormat cellformat = new StringFormat();
g.DrawString(text,font,ForeBrush,
(this.PageWidth-size.Width)/2 + this.LeftMargin, startpos, cellformat);text="【Cobainsoft】";
size= g.MeasureString(text,font);
g.DrawString(text,font,ForeBrush,
this.PageWidth + this.LeftMargin - size.Width-3, startpos, cellformat);}
void DrawHorizontalLines(Graphics g, ArrayList lines)
{ Pen TheLinePen = new Pen(TheDataGrid.GridLineColor, 1);if (TheDataGrid.GridLineStyle == DataGridLineStyle.None)
return;int i;
for (i = 0; i < lines.Count; i++)
{ g.DrawLine(TheLinePen, this.LeftMargin, (float)lines[i], this.LeftMargin + this.PageWidth, (float)lines[i]); }}
void DrawVerticalGridLines(Graphics g, Pen TheLinePen, int bottom)
{ if (TheDataGrid.GridLineStyle == DataGridLineStyle.None) return;int posx=0;
//画最左边的竖线
g.DrawLine(TheLinePen, this.LeftMargin + posx,
header + TopMargin, this.LeftMargin + posx, bottom);//画最右边的竖线
g.DrawLine(TheLinePen, this.LeftMargin + this.PageWidth, header + TopMargin, this.LeftMargin + this.PageWidth, bottom);int total=TheDataGrid.TableStyles[0].GridColumnStyles.Count -1;
for (int k = 0; k < total; k++) { posx+=(TheDataGrid.TableStyles[0].GridColumnStyles[k].Width) * this.PageWidth / this.GridWidth; g.DrawLine(TheLinePen, this.LeftMargin + posx, header + TopMargin, this.LeftMargin + posx, bottom); } } public bool DrawDataGrid(Graphics g) {try
{ DrawHeader(g); bool bContinue = DrawRows(g); return bContinue; } catch (Exception ex) { MessageBox.Show(ex.Message.ToString()); return false; }}
}
}
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