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);

???/*
????? 這一段是畫表頭底色的代碼

??????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;

?????
?????/*? ///這一段是畫表格底色的代碼
??????????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("宋體");

???string text="第"+this.PageNumber.ToString()+"頁 共"
????+this.pagecount.ToString()+"頁";

???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;

???//畫最左邊的豎線

???g.DrawLine(TheLinePen, this.LeftMargin + posx,
????header + TopMargin,
????this.LeftMargin + posx,
????bottom);

???//畫最右邊的豎線
???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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