using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using SuperMap.Mapping;
using SuperMap.Data;
using SuperMap.UI;
using soTest.ThematicMap;namespace SuperMap.SampleCode.Mapping
{public partial class frmThemeUnique : Form{Workspace m_workspace;List<ColorGradientType> setColorTheml = null;Dataset objLayer = null;ThemeUnique objThemeUnique = null;MapControl objMapControl = null;public frmThemeUnique(Workspace m_workspace, Dataset layer, ThemeUnique objThemeUnique,MapControl objMapControl){InitializeComponent();this.m_workspace = m_workspace;this.objLayer = layer;this.objThemeUnique = objThemeUnique;this.objMapControl = objMapControl;dataGridView2.CellMouseClick += new DataGridViewCellMouseEventHandler(dataGridView2_CellMouseClick);dataGridView2.CellMouseDoubleClick += new DataGridViewCellMouseEventHandler(dataGridView2_CellMouseDoubleClick);}/// <summary>/// 窗体加载事件/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void frmThemeUnique_Load(object sender, EventArgs e){resources = m_workspace.Resources;// string path = Application.StartupPath.Substring(0, Application.StartupPath.LastIndexOf("CurExe"));//设置单值专题图数值        #region MyRegion            setColorTheml = new List<ColorGradientType>();setColorTheml.Add(ColorGradientType.Spectrum);setColorTheml.Add(ColorGradientType.Terrain);setColorTheml.Add(ColorGradientType.GreenOrangeViolet);setColorTheml.Add(ColorGradientType.Rainbow);setColorTheml.Add(ColorGradientType.CyanGreen);setColorTheml.Add(ColorGradientType.CyanBlue);//  setColorTheml.Add("青->蓝渐变色", ColorGradientType.PinkBlue);setColorTheml.Add(ColorGradientType.PinkRed);setColorTheml.Add(ColorGradientType.BlueRed);setColorTheml.Add(ColorGradientType.GreenRed);setColorTheml.Add(ColorGradientType.GreenBlue);setColorTheml.Add(ColorGradientType.YellowBlue);setColorTheml.Add(ColorGradientType.YellowGreen);setColorTheml.Add(ColorGradientType.YellowRed);setColorTheml.Add(ColorGradientType.CyanBlack);setColorTheml.Add(ColorGradientType.PinkBlack);setColorTheml.Add(ColorGradientType.YellowBlack);setColorTheml.Add(ColorGradientType.BlueBlack);setColorTheml.Add(ColorGradientType.GreenBlack);setColorTheml.Add(ColorGradientType.RedBlack);setColorTheml.Add(ColorGradientType.CyanWhite);setColorTheml.Add(ColorGradientType.PinkWhite);setColorTheml.Add(ColorGradientType.YellowWhite);setColorTheml.Add(ColorGradientType.BlueWhite);setColorTheml.Add(ColorGradientType.GreenWhite);setColorTheml.Add(ColorGradientType.RedWhite);setColorTheml.Add(ColorGradientType.BlackWhite);#endregiondataGridView2.SelectionMode = DataGridViewSelectionMode.FullRowSelect;dataGridView2.AllowUserToAddRows = false;setDZcombox();if (objThemeUnique == null){showDZinformation();}else{updateThemeUnique(objThemeUnique);}}public void updateThemeUnique(ThemeUnique objThemeUnique){comboBox1.Text = objThemeUnique.UniqueExpression;         for (int i = 0; i < objThemeUnique.Count; i++){objThemeUniqueItem.Add(objThemeUnique[i]);Image im = getImage(objLayer.Type, objThemeUnique[i].Style);dataGridView2.Rows.Add(true, im, objThemeUnique[i].Caption);             }}#region 单值专题图public void setDZcombox(){DatasetVector objDv = objLayer as DatasetVector;FieldInfos objFled = objDv.FieldInfos;FieldInfo objFd = null;for (int i = 0; i < objFled.Count; i++){objFd = objFled[i];comboBox1.Items.Add(objFd.Name.Trim());}if (comboBox1.Items.Count > 0)comboBox1.SelectedIndex = 0;objFled = null;objDv = null;}// 设置单值专题图ThemeUnique themeunique = null;DatasetVector datasetVector = null;Geometry objg = null;Resources resources = null;//单只专题图子项集合List<ThemeUniqueItem> objThemeUniqueItem = new List<ThemeUniqueItem>();//删除的单值专题图集合List<ThemeUniqueItem> objDeleteThemeUniqueItem = new List<ThemeUniqueItem>();List<string> list = new List<string>();/// <summary>/// 单值绑定方法/// </summary>public void showDZinformation(){themeunique = new ThemeUnique();//清空数据objThemeUniqueItem.Clear();objDeleteThemeUniqueItem.Clear();list.Clear();//专题图清空themeunique.Clear();//列表清空dataGridView2.Rows.Clear();// 当只有普通图层时，添加专题图层datasetVector = objLayer as DatasetVector;//设置字段表达式themeunique.UniqueExpression = comboBox1.Text.Trim();Recordset objRecor = datasetVector.GetRecordset(false, CursorType.Static);FieldInfos objFled = datasetVector.FieldInfos;objRecor.MoveFirst();for (int j = 0; j < objRecor.RecordCount; j++){//新建DataTable的行对象             if (objRecor.FieldCount == objFled.Count){object value = objRecor.GetFieldValue(comboBox1.SelectedIndex);if (value != null){if (!string.IsNullOrWhiteSpace(value.ToString().Trim())){objg = objRecor.GetGeometry();list.Add(value.ToString().Trim());}}}else{// MessageBox.Show("字段数有问题！", "提示");}objRecor.MoveNext();//移到下个列}//释放对象objRecor.Dispose();//专题图子项ThemeUniqueItem objItem = null;GeoStyle geostyle1 = null;Random objRan = new Random();// 根据指定的渐变颜色类型，返回一个 Colors 类的对象//运行结果是根据指定的渐变颜色返回的4个颜色构成的颜色集合，颜色值为://(R=0,G=255,B=0),(R=0,G=255,B=85),(R=0,G=255,B=170),(R=0,G=255,B=255)Colors colors = Colors.MakeGradient(list.Count, ColorGradientType.BlueBlack, false);// 得到点线面的RootGroupList<string> isTrueAndFalse = new List<string>();for (int i = 0; i < list.Count; i++){string itemName = list[i];objItem = new ThemeUniqueItem();objItem.Caption = itemName;objItem.IsVisible = true;geostyle1 = GeoStyleSample(objLayer.Type, colors[isTrueAndFalse.Count]);// geostyle1;objItem.Style = geostyle1;objItem.Unique = itemName;if (!isTrueAndFalse.Contains(itemName)){objThemeUniqueItem.Add(objItem);Image im = getImage(objLayer.Type, geostyle1);dataGridView2.Rows.Add(true, im, itemName);isTrueAndFalse.Add(itemName);}}}/// <summary>/// 单元格单击事件 此事件主要针对专题图的显示和隐藏进行操作/// </summary>/// <param name="sender"></param>/// <param name="e"></param>void dataGridView2_CellMouseClick(object sender, DataGridViewCellMouseEventArgs e){if (dataGridView2.Columns[e.ColumnIndex].Name.Equals("checkbox")){bool value = (bool)dataGridView2.Rows[e.RowIndex].Cells[e.ColumnIndex].Value;if (value){dataGridView2.Rows[e.RowIndex].Cells[e.ColumnIndex].Value = false;objThemeUniqueItem[e.RowIndex].IsVisible = false;}else{dataGridView2.Rows[e.RowIndex].Cells[e.ColumnIndex].Value = true;objThemeUniqueItem[e.RowIndex].IsVisible = true;}}}/// <summary>/// 单元格双击事件/// </summary>/// <param name="sender"></param>/// <param name="e"></param>void dataGridView2_CellMouseDoubleClick(object sender, DataGridViewCellMouseEventArgs e){          if (dataGridView2.Columns[e.ColumnIndex].Name.Equals("imgvalue")){//样式符号GeoStyle objGeoStyle = SymbolDialog.ShowDialog(m_workspace.Resources, objThemeUniqueItem[e.RowIndex].Style, GetSymbolType(objLayer.Type));if (objGeoStyle != null){//更新专题图样式objThemeUniqueItem[e.RowIndex].Style = objGeoStyle;//更换列表中的图像if (objLayer.Type == DatasetType.Point){//获取符号编号int num = objGeoStyle.MarkerSymbolID;//加载符号库SymbolLibrary symbolMarkerLibrary = resources.MarkerLibrary;//拟定一个点对象GeoPoint point = new GeoPoint(5, 5);//获取并赋值对应的点样式point.Style = objGeoStyle;//从库中查找对应的点符号编号Symbol symbol = symbolMarkerLibrary.FindSymbol(num);//objThemeUniqueItem[e.RowIndex].Style.SetSymbolMarker(symbol as SymbolMarker);dataGridView2.Rows[e.RowIndex].Cells[e.ColumnIndex].Value = DrawSymbol(symbol, point, 20, 20);}else if (objLayer.Type == DatasetType.Line){//获取符号编号int num = objGeoStyle.LineSymbolID;//加载符号库SymbolLibrary symbolMarkerLibrary = resources.LineLibrary;//拟定一个线对象Point2Ds point2Ds = new Point2Ds();point2Ds.Add(new Point2D(0, 5));point2Ds.Add(new Point2D(15, 5));GeoLine line = new GeoLine(point2Ds);//获取并赋值对应的点样式line.Style = objGeoStyle;//从库中查找对应的线符号编号Symbol symbol = symbolMarkerLibrary.FindSymbol(num);// objThemeUniqueItem[e.RowIndex].Style.SetSymbolLine(symbol as SymbolLine);dataGridView2.Rows[e.RowIndex].Cells[e.ColumnIndex].Value = DrawSymbol(symbol, line, 20, 20);}else if (objLayer.Type == DatasetType.Region){//获取符号编号int num = objGeoStyle.FillSymbolID;//加载符号库SymbolLibrary symbolFillLibrary = resources.FillLibrary;//拟定一个面对象Point2Ds point2Ds = new Point2Ds();point2Ds.Add(new Point2D(0, 0));point2Ds.Add(new Point2D(0, 15));point2Ds.Add(new Point2D(15, 15));point2Ds.Add(new Point2D(15, 0));GeoRegion region = new GeoRegion(point2Ds);//获取并赋值对应的面样式region.Style = objGeoStyle;//从库中查找对应的点符号编号Symbol symbol = symbolFillLibrary.FindSymbol(num);//objThemeUniqueItem[e.RowIndex].Style.SetSymbolFill(symbol as SymbolFill);dataGridView2.Rows[e.RowIndex].Cells[e.ColumnIndex].Value = DrawSymbol(symbol, region, 20, 20);}}}}/// <summary>/// 根据数据集类型获取符号库的类型/// </summary>/// <param name="datasetType">数据集类型</param>/// <returns>返回符号库类型</returns>private SymbolType GetSymbolType(DatasetType datasetType){SymbolType result = SymbolType.Marker;switch (datasetType){case DatasetType.Line:{result = SymbolType.Line;}break;case DatasetType.Point:{result = SymbolType.Marker;}break;case DatasetType.Region:{result = SymbolType.Fill;}break;default:break;}return result;}/// <summary>///获取列表中显示的图片 设置默认值并在列表中显示/// </summary>/// <param name="P"></param>/// <param name="geostyle1"></param>/// <returns></returns>public Image getImage(DatasetType P, GeoStyle geostyle1){Image im = null;if (P == DatasetType.Point){//符号库SymbolLibrary symbolMarkerLibrary = resources.MarkerLibrary;SymbolGroup m_symbolMarkerRootGroup = symbolMarkerLibrary.RootGroup;GeoPoint point = new GeoPoint(5, 5);point.Style = geostyle1;Symbol symbol = null;if (geostyle1.MarkerSymbolID == null){symbol = m_symbolMarkerRootGroup[0];//symbolMarkerLibrary.FindSymbol(0);//}else {symbol = m_symbolMarkerRootGroup[geostyle1.MarkerSymbolID];//symbol = symbolMarkerLibrary.FindSymbol(geostyle1.MarkerSymbolID);//symbolMarkerLibrary.FindSymbol(0);//}             im = DrawSymbol(symbol, point, 20, 20);}else if (P == DatasetType.Line){SymbolLibrary symbolLineLibrary = resources.LineLibrary;SymbolGroup m_symbolLineRootGroup = symbolLineLibrary.RootGroup;Point2Ds point2Ds = new Point2Ds();point2Ds.Add(new Point2D(0, 5));point2Ds.Add(new Point2D(15, 5));GeoLine line = new GeoLine(point2Ds);line.Style = geostyle1;Symbol symbol = null;if (geostyle1.LineSymbolID == null){symbol = m_symbolLineRootGroup[0];//symbolMarkerLibrary.FindSymbol(0);//}else{symbol = m_symbolLineRootGroup[geostyle1.LineSymbolID];//symbol = symbolLineLibrary.FindSymbol(geostyle1.LineSymbolID);//symbolMarkerLibrary.FindSymbol(0);//}              im = DrawSymbol(symbol, line, 20, 20);}else if (P == DatasetType.Region){SymbolLibrary symbolFillLibrary = resources.FillLibrary;SymbolGroup m_symbolFillRootGroup = symbolFillLibrary.RootGroup;//构造点对象，由点组成面对象Point2Ds point2Ds = new Point2Ds();point2Ds.Add(new Point2D(0, 0));point2Ds.Add(new Point2D(0, 15));point2Ds.Add(new Point2D(15, 15));point2Ds.Add(new Point2D(15, 0));GeoRegion region = new GeoRegion(point2Ds);region.Style = geostyle1;Symbol symbol = null;if (geostyle1.FillSymbolID == null){symbol = m_symbolFillRootGroup[0];//symbolMarkerLibrary.FindSymbol(0);//}else{symbol = m_symbolFillRootGroup[geostyle1.FillSymbolID];// symbol = symbolFillLibrary.FindSymbol(geostyle1.FillSymbolID);//symbolMarkerLibrary.FindSymbol(0);//}// Symbol symbol = m_symbolFillRootGroup[0];//symbolFillLibrary.FindSymbol(0);//im = DrawSymbol(symbol, region, 20, 20);}return im;}/// <summary>/// 设置符号样式/// </summary>/// <param name="P"></param>/// <param name="c"></param>/// <returns></returns>public GeoStyle GeoStyleSample(DatasetType P, Color c){GeoStyle objGeoStyle = new GeoStyle();switch (P){case DatasetType.Point:// 实例化一个点几何对象，并对其进行风格设置// GeoStyle geoStyle_P = new GeoStyle();objGeoStyle.LineColor = c;objGeoStyle.MarkerSize = new Size2D(5, 5);// geoStyle_P.MarkerSymbolID = 0;  //系统图标//objGeoStyle = geoStyle_P;break;case DatasetType.Line:// 实例化一个线几何对象，并对其进行风格设置//GeoStyle geoStyle_L = new GeoStyle();objGeoStyle.LineColor = c;//geoStyle_L.LineSymbolID = 15;objGeoStyle.LineWidth = 1.0;                 // objGeoStyle = geoStyle_L;break;case DatasetType.Region:// 实例化一个面几何对象，并对其进行渐变风格设置//GeoStyle geoStyle_R = new GeoStyle();objGeoStyle.FillBackColor = Color.White;;objGeoStyle.FillForeColor = c;objGeoStyle.FillBackOpaque = true;// geoStyle_R.FillOpaqueRate = 50;// geoStyle_R.FillSymbolID = 0;//geoStyle_R.FillGradientMode = FillGradientMode.Linear;//objGeoStyle = geoStyle_R;break;}return objGeoStyle;}#endregion#region 点、线、面 datagridview绘制/// <summary>/// 绘制符号转换为图片/// 我去。。。/// </summary>/// <param name="symbol"></param>public Image DrawSymbol(Symbol symbol, Geometry geometry, Int32 width, Int32 height){try{Bitmap bitmap = new Bitmap(width, height);if (symbol.Type == SymbolType.Marker){//geometry.Style.MarkerSymbolID = symbol.ID;                 Toolkit.Draw(geometry, m_workspace.Resources, Graphics.FromImage(bitmap));}else if (symbol.Type == SymbolType.Line){//此句必须加上，不然在点击切换样式时无效果// geometry.Style.LineSymbolID = symbol.ID;      symbol.Draw(bitmap, geometry);//  Toolkit.Draw(geometry, mainfrm.m_workspace.Resources, Graphics.FromImage(bitmap));}else if (symbol.Type == SymbolType.Fill){//geometry.Style.FillSymbolID = symbol.ID;symbol.Draw(bitmap, geometry);// Toolkit.Draw(geometry, mainfrm.m_workspace.Resources, Graphics.FromImage(bitmap));}Image objImage = bitmap;return objImage;}catch (Exception ex){// Trace.WriteLine(ex.Message);}return null;}#endregion//确定按钮private void btnSure_Click(object sender, EventArgs e){//默认的方式 预备暂时不用// ThemeUnique themeunique = ThemeUnique.MakeDefault(datasetVector, comboBox1.Text.Trim(), setColorTheml[comboBoxEx1.SelectedIndex]);// 将制作好的专题图添加到地图中显示if (datasetVector != null && objThemeUniqueItem.Count > 0){for (int i = 0; i < objThemeUniqueItem.Count; i++){themeunique.Add(objThemeUniqueItem[i]);}// Layer sd = mainfrm.m_LayersControl.Map.Layers.FindLayer("");             Layer layer = objMapControl.Map.Layers.Add(datasetVector, themeunique, true);// m_MapControl.Map.Refresh();themeunique.Dispose();this.Close();}else {               objThemeUnique.Clear();// mainfrm.m_LayersControl.Map.Layers.Remove()for (int i = 0; i < objThemeUniqueItem.Count; i++){objThemeUnique.Add(objThemeUniqueItem[i]);}//objThemeUnique.FromXML(themeunique.ToXML());                objMapControl.Map.Refresh();               this.Close();}}/// <summary>/// 取消/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void BtnCancle_Click(object sender, EventArgs e){this.Close();}private void btnAddValue_Click(object sender, EventArgs e){showDZinformation();}/// <summary>/// 添加子项/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void btnAddChild_Click(object sender, EventArgs e){          changeUniqueItem showChage = new changeUniqueItem(objDeleteThemeUniqueItem, objThemeUniqueItem,dataGridView2,this);       showChage.ShowDialog();}/// <summary>/// 添加值/// </summary>/// <param name="num"></param>public void addToDataGridView(int num){if (objDeleteThemeUniqueItem.Count > 0){Image im = getImage(objLayer.Type, objDeleteThemeUniqueItem[num].Style);dataGridView2.Rows.Add(true, im, objDeleteThemeUniqueItem[num].Caption);}}/// <summary>/// 删除子项/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void btnDeleteChild_Click(object sender, EventArgs e){int num = dataGridView2.CurrentRow.Index;if (num >= 0) {//移除专题图               dataGridView2.Rows.RemoveAt(num);objDeleteThemeUniqueItem.Add(objThemeUniqueItem[num]);objThemeUniqueItem.RemoveAt(num);              }}}
}