510 lines
18 KiB
C#
510 lines
18 KiB
C#
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using System;
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using System.IO;
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using System.Xml;
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.Drawing.Drawing2D;
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using System.Collections.Generic;
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using Payroll.BO.Organogram;
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namespace Payroll.BO
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{
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class OrganisationChart : IDisposable
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{
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private Graphics _gr;
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private int _imgWidth = 0;
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private int _imgHeight = 0;
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public OrganisationChart(OrgData.OrgDetailsDataTable OrganizationalDataTable)
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{
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_dtOrg = OrganizationalDataTable;
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}
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#region Properties
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/// <summary>
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/// the employee data
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/// </summary>
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private OrgData.OrgDetailsDataTable _dtOrg;
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/// <summary>
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/// A list of the employee positions.
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/// </summary>
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//private List<EmployeePos> EmpPositions;
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// A Dictionary of all employee data
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private SortedDictionary<string, ChartRecord> _employeeChartData;
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public SortedDictionary<string, ChartRecord> EmployeeData
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{
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get { return _employeeChartData; }
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set { _employeeChartData = value; }
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}
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private Color _boxFillColor = Color.AliceBlue;
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public Color BoxFillColor
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{
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get { return _boxFillColor; }
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set { _boxFillColor = value; }
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}
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private int _boxWidth = 130;
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public int BoxWidth
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{
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get { return _boxWidth; }
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set { _boxWidth = value; }
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}
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private int _boxHeight = 40;
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public int BoxHeight
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{
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get { return _boxHeight; }
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set { _boxHeight = value; }
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}
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private int _margin = 20;
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public int Margin
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{
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get { return _margin; }
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set { _margin = value; }
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}
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private int _horizontalSpace = 5;
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public int HorizontalSpace
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{
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get { return _horizontalSpace; }
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set { _horizontalSpace = value; }
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}
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private int _verticalSpace = 20;
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public int VerticalSpace
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{
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get { return _verticalSpace; }
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set { _verticalSpace = value; }
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}
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private int _fontSize = 6;
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public int FontSize
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{
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get { return _fontSize; }
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set { _fontSize = value; }
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}
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private Color _lineColor = Color.Black;
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public Color LineColor
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{
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get { return _lineColor; }
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set { _lineColor = value; }
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}
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private float _lineWidth = 2;
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public float LineWidth
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{
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get { return _lineWidth; }
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set { _lineWidth = value; }
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}
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private Color _bgColor = Color.White;
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public Color BGColor
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{
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get { return _bgColor; }
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set { _bgColor = value; }
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}
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private Color _fontColor = Color.Black;
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public Color FontColor
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{
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get { return _fontColor; }
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set { _fontColor = value; }
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}
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private string _selID = string.Empty;
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public string SelectedEmployeeID
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{
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set { _selID = value; }
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}
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private Color _selFontColor = Color.Black;
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public Color SelectedFontColor
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{
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get { return _selFontColor; }
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set { _selFontColor = value; }
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}
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private Color _selBackColor = Color.LightBlue;
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public Color SelectedBakcColor
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{
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get { return _selBackColor; }
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set { _selBackColor = value; }
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}
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private string _selFont = "verdana";
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public string SelectedFont
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{
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get { return _selFont; }
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set { _selFont = value; }
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}
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private int _selFontSize = 7;
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public int SelectedFontSize
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{
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get { return _selFontSize; }
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set { _selFontSize = value; }
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}
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private StringAlignment _horizontalAlignment = StringAlignment.Center;
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public StringAlignment HorizontalAlignment
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{
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get { return _horizontalAlignment; }
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set { _horizontalAlignment = value; }
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}
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private StringAlignment _verticalAlignment = StringAlignment.Near;
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public StringAlignment VerticalAlignment
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{
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get { return _verticalAlignment; }
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set { _verticalAlignment = value; }
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}
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#endregion Properties
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public ChartRecord GetRecord(int scale, Point p)
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{
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foreach (ChartRecord cr in this.EmployeeData.Values)
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{
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Rectangle r = cr.CurrentLocation(scale);
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if (p.X >= r.Left && p.X <= r.Right && p.Y >= r.Top && p.Y <= r.Bottom)
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return cr;
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}
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return null;
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}
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public void Dispose()
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{
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_dtOrg = null;
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if (_gr != null)
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{
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_gr.Dispose();
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_gr = null;
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}
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}
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/// <summary>
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/// The main function used to create the image
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/// </summary>
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/// <param name="Width"></param>
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/// <param name="Height"></param>
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/// <param name="BossEmployeeID">The ID of the Boss from which to start building the chart</param>
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/// <param name="ImageType"></param>
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/// <returns>A stream of the image. can be shown or saved to disk.</returns>
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public Stream GenerateOrgChart(int defaultWidth, int defaultHeight, int width, int height, string bossEmployeeID, ImageFormat imageType)
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{
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MemoryStream Result = new MemoryStream();
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_employeeChartData = new SortedDictionary<string, ChartRecord>();
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//reset image size
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_imgHeight = 0;
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_imgWidth = 0;
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_orgTree = null;
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_orgTree = new XmlDocument();
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XmlNode RootNode = _orgTree.CreateNode(XmlNodeType.Element, "RootNode", "");
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XmlAttribute Att = _orgTree.CreateAttribute("EmployeeID");
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Att.InnerText = bossEmployeeID;
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RootNode.Attributes.Append(Att);
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_orgTree.AppendChild(RootNode);
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BuildTree(RootNode, 0);
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Bitmap bmp = new Bitmap(_imgWidth, _imgHeight);
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_gr = Graphics.FromImage(bmp);
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_gr.Clear(_bgColor);
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DrawChart(RootNode);
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//if caller does not care about size, use original calculated size
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if (width < 0)
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{
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width = _imgWidth;
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}
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if (height < 0)
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{
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height = _imgHeight;
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}
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double gR = 0;
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double wR = (double)defaultWidth / (double)width;
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double hR = (double)defaultHeight / (double)height;
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if (wR > hR)
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gR = wR;
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else
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gR = hR;
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if (gR > 1)
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{
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width = Convert.ToInt32((double)width * gR);
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height = Convert.ToInt32((double)height * gR);
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}
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Bitmap ResizedBMP = new Bitmap(bmp, new Size(width, height));
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//after resize - change the coordinates of the list, in order return the proper coordinates for each employee
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CalculateImageMapData(width, height);
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ResizedBMP.Save(Result, imageType);
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ResizedBMP.Dispose();
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bmp.Dispose();
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_gr.Dispose();
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return Result;
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}
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/// <summary>
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/// This overloaded method can be used to return the image using it's default calculated size, without resizing
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/// </summary>
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/// <param name="BossEmployeeID"></param>
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/// <param name="ImageType"></param>
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/// <returns></returns>
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public Stream GenerateOrgChart(int defaultWidth, int defaultHeight, string bossEmployeeID, ImageFormat imageType)
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{
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return GenerateOrgChart(defaultWidth, defaultHeight, -1, -1, bossEmployeeID, imageType);
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}
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private XmlDocument _orgTree;
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/// <summary>
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///
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/// </summary>
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/// <param name="employeeNode"></param>
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/// <param name="y"></param>
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private void BuildTree(XmlNode employeeNode, int y)
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{
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//has employees
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System.Data.DataRow[] oRows = _dtOrg.Select(string.Format("BossEmployeeID='{0}'", employeeNode.Attributes["EmployeeID"].InnerText));
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if (oRows == null) return;
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foreach (OrgData.OrgDetailsRow EmployeeRow in oRows)
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{
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//for each employee call this function again
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XmlNode NewEmployeeNode = _orgTree.CreateElement("Node");
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XmlAttribute Att = _orgTree.CreateAttribute("EmployeeID");
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Att.InnerText = EmployeeRow.EmployeeID;
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NewEmployeeNode.Attributes.Append(Att);
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employeeNode.AppendChild(NewEmployeeNode);
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BuildTree(NewEmployeeNode, y + 1);
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}
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//build employee data after checking for employees we can add the current employee
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ChartRecord currentEmp = new ChartRecord();
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currentEmp.EmployeeData = ((OrgData.OrgDetailsRow)_dtOrg.Select(string.Format("EmployeeID='{0}'", employeeNode.Attributes["EmployeeID"].Value))[0]);
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currentEmp.EmployeeCount = employeeNode.ChildNodes.Count;
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int[] resultsArr = new int[] {GetXPosByOwnChildren(employeeNode),
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GetXPosByParentPreviousSibling(employeeNode),
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GetXPosByPreviousSibling(employeeNode),
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_margin };
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Array.Sort(resultsArr);
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int startX = resultsArr[3];
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int startY = (y * (_boxHeight + _verticalSpace)) + _margin;
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int width = _boxWidth;
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int height = _boxHeight;
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//update the coordinates of this box into the matrix, for later calculations
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Rectangle drawRect = new Rectangle(startX, startY, width, height);
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//update the image size
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if (_imgWidth < (startX + width + _margin))
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{
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_imgWidth = startX + width + _margin;
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}
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if (_imgHeight < (startY + height + _margin))
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{
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_imgHeight = startY + height + _margin;
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}
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currentEmp.EmployeePos = drawRect;
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_employeeChartData.Add(currentEmp.EmployeeData.EmployeeID, currentEmp);
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currentEmp.Dispose();
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currentEmp = null;
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="currentNode"></param>
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/// <returns></returns>
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private int GetXPosByPreviousSibling(XmlNode currentNode)
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{
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int result = -1;
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XmlNode prevSibling = currentNode.PreviousSibling;
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if (prevSibling != null)
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{
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if (prevSibling.HasChildNodes)
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{
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result = _employeeChartData[prevSibling.LastChild.Attributes["EmployeeID"].Value].EmployeePos.X + _boxWidth + _horizontalSpace;
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}
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else
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{
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result = _employeeChartData[prevSibling.Attributes["EmployeeID"].Value].EmployeePos.X + _boxWidth + _horizontalSpace;
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}
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}
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return result;
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="currentNode"></param>
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/// <returns></returns>
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private int GetXPosByOwnChildren(XmlNode currentNode)
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{
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int result = -1;
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if (currentNode.HasChildNodes)
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{
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result = (((_employeeChartData[currentNode.LastChild.Attributes["EmployeeID"].Value].EmployeePos.X + _boxWidth) -
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_employeeChartData[currentNode.FirstChild.Attributes["EmployeeID"].Value].EmployeePos.X) / 2) -
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(_boxWidth / 2) +
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_employeeChartData[currentNode.FirstChild.Attributes["EmployeeID"].Value].EmployeePos.X;
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}
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return result;
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="currentNode"></param>
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/// <returns></returns>
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private int GetXPosByParentPreviousSibling(XmlNode currentNode)
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{
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int result = -1;
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XmlNode parentPrevSibling = currentNode.ParentNode.PreviousSibling;
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if (parentPrevSibling != null)
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{
|
|||
|
|
if (parentPrevSibling.HasChildNodes)
|
|||
|
|
{
|
|||
|
|
result = _employeeChartData[parentPrevSibling.LastChild.Attributes["EmployeeID"].Value].EmployeePos.X + _boxWidth + _horizontalSpace;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
result = _employeeChartData[parentPrevSibling.Attributes["EmployeeID"].Value].EmployeePos.X + _boxWidth + _horizontalSpace;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else //ParentPrevSibling == null
|
|||
|
|
{
|
|||
|
|
if (currentNode.ParentNode.Name != "RootNode" && currentNode.ParentNode.Name != "#document")
|
|||
|
|
{
|
|||
|
|
result = GetXPosByParentPreviousSibling(currentNode.ParentNode);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return result;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Draws the actual chart image.
|
|||
|
|
/// </summary>
|
|||
|
|
private void DrawChart(XmlNode node)
|
|||
|
|
{
|
|||
|
|
// Create font and brush.
|
|||
|
|
Font drawFont = new Font("verdana", _fontSize);
|
|||
|
|
SolidBrush drawBrush = new SolidBrush(_fontColor);
|
|||
|
|
Pen boxPen = new Pen(_lineColor, _lineWidth);
|
|||
|
|
StringFormat drawFormat = new StringFormat();
|
|||
|
|
|
|||
|
|
drawFormat.Alignment = this.VerticalAlignment;//StringAlignment.Near;
|
|||
|
|
|
|||
|
|
drawFormat.LineAlignment = this.HorizontalAlignment;//StringAlignment.Center;
|
|||
|
|
|
|||
|
|
foreach (OrgData.OrgDetailsRow EmployeeRow in _dtOrg.Select(string.Format("BossEmployeeID='{0}'", node.Attributes["EmployeeID"].Value)))
|
|||
|
|
{
|
|||
|
|
DrawChart(node.SelectSingleNode(string.Format("Node[@EmployeeID='{0}']", EmployeeRow.EmployeeID)));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
string empID = node.Attributes["EmployeeID"].Value;
|
|||
|
|
|
|||
|
|
//// Create string to draw.
|
|||
|
|
//string drawString = _employeeChartData[empID].EmployeeData.EmployeeID +
|
|||
|
|
// Environment.NewLine +
|
|||
|
|
// _employeeChartData[empID].EmployeeData.EmployeeTitle;
|
|||
|
|
|
|||
|
|
string drawString = _employeeChartData[empID].EmployeeData.EmployeeTitle;
|
|||
|
|
if (!string.IsNullOrEmpty(_selID) && _selID == empID)
|
|||
|
|
{
|
|||
|
|
drawFont = new Font(_selFont, _selFontSize);
|
|||
|
|
drawBrush = new SolidBrush(_selFontColor);
|
|||
|
|
_gr.DrawRectangle(boxPen, _employeeChartData[empID].EmployeePos);
|
|||
|
|
_gr.FillRectangle(new SolidBrush(_selBackColor), _employeeChartData[empID].EmployeePos);
|
|||
|
|
_gr.DrawString(drawString, drawFont, drawBrush, _employeeChartData[empID].EmployeePos, drawFormat);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
drawFormat.Alignment = StringAlignment.Center;
|
|||
|
|
drawFormat.LineAlignment = StringAlignment.Near;
|
|||
|
|
_gr.DrawRectangle(boxPen, _employeeChartData[empID].EmployeePos);
|
|||
|
|
_gr.FillRectangle(new SolidBrush(_boxFillColor), _employeeChartData[empID].EmployeePos);
|
|||
|
|
_gr.DrawString(drawString, drawFont, drawBrush, _employeeChartData[empID].EmployeePos, drawFormat);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//draw connecting lines
|
|||
|
|
if (node.Name != "RootNode")
|
|||
|
|
{
|
|||
|
|
//all but the top box should have lines growing out of their top
|
|||
|
|
_gr.DrawLine(boxPen, _employeeChartData[empID].EmployeePos.Left + (_boxWidth / 2),
|
|||
|
|
_employeeChartData[empID].EmployeePos.Top,
|
|||
|
|
_employeeChartData[empID].EmployeePos.Left + (_boxWidth / 2),
|
|||
|
|
_employeeChartData[empID].EmployeePos.Top - (_verticalSpace / 2));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (node.HasChildNodes)
|
|||
|
|
{
|
|||
|
|
//all employees which have employees should have lines coming from bottom down
|
|||
|
|
_gr.DrawLine(boxPen, _employeeChartData[empID].EmployeePos.Left + (_boxWidth / 2),
|
|||
|
|
_employeeChartData[empID].EmployeePos.Top + _boxHeight,
|
|||
|
|
_employeeChartData[empID].EmployeePos.Left + (_boxWidth / 2),
|
|||
|
|
_employeeChartData[empID].EmployeePos.Top + _boxHeight + (_verticalSpace / 2));
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (node.PreviousSibling != null)
|
|||
|
|
{
|
|||
|
|
//the prev employee has the same boss - connect the 2 employees
|
|||
|
|
_gr.DrawLine(boxPen, _employeeChartData[node.PreviousSibling.Attributes["EmployeeID"].Value].EmployeePos.Left + (_boxWidth / 2) - (_lineWidth / 2),
|
|||
|
|
_employeeChartData[node.PreviousSibling.Attributes["EmployeeID"].Value].EmployeePos.Top - (_verticalSpace / 2),
|
|||
|
|
_employeeChartData[node.Attributes["EmployeeID"].Value].EmployeePos.Left + (_boxWidth / 2) + (_lineWidth / 2),
|
|||
|
|
_employeeChartData[node.Attributes["EmployeeID"].Value].EmployeePos.Top - (_verticalSpace / 2));
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
///
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="actualWidth"></param>
|
|||
|
|
/// <param name="actualHeight"></param>
|
|||
|
|
private void CalculateImageMapData(double actualWidth, double actualHeight)
|
|||
|
|
{
|
|||
|
|
double percentageChangeX = actualWidth / _imgWidth;
|
|||
|
|
double PercentageChangeY = actualHeight / _imgHeight;
|
|||
|
|
|
|||
|
|
foreach (ChartRecord cr in _employeeChartData.Values)
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
Rectangle resizedRectangle = new Rectangle(
|
|||
|
|
(int)(cr.EmployeePos.X * percentageChangeX),
|
|||
|
|
(int)(cr.EmployeePos.Y * PercentageChangeY),
|
|||
|
|
(int)(BoxWidth * percentageChangeX),
|
|||
|
|
(int)(BoxHeight * PercentageChangeY));
|
|||
|
|
|
|||
|
|
cr.EmployeePos = resizedRectangle;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|