private List <CommonLayer> GetLegendLayers() { StringCollection visibleLayers = null; if (_pixelSize > 0 && _appState.VisibleLayers.ContainsKey(_appState.MapTab)) { visibleLayers = _appState.VisibleLayers[_appState.MapTab]; } Configuration config = AppContext.GetConfiguration(); Configuration.MapTabRow mapTab = config.MapTab.FindByMapTabID(_appState.MapTab); CommonDataFrame dataFrame = AppContext.GetDataFrame(mapTab); List <CommonLayer> layerList = new List <CommonLayer>(); List <String> mapTabLayerIds = new List <String>(); foreach (Configuration.MapTabLayerRow mapTabLayer in mapTab.GetMapTabLayerRows()) { Configuration.LayerRow layer = mapTabLayer.LayerRow; mapTabLayerIds.Add(layer.LayerID); CommonLayer commonLayer = dataFrame.Layers.FirstOrDefault(lyr => String.Compare(lyr.Name, layer.LayerName, true) == 0); if (commonLayer.Type == CommonLayerType.Feature && !layerList.Contains(commonLayer)) { bool hasClasses = GetNumClasses(commonLayer) > 0; bool visibleAtScale = _pixelSize <= 0 || commonLayer.IsWithinScaleThresholds(_pixelSize); bool shownInLegend = !mapTabLayer.IsShowInLegendNull() && mapTabLayer.ShowInLegend == 1; bool checkedInLegend = mapTabLayer.IsCheckInLegendNull() || mapTabLayer.CheckInLegend < 0 || visibleLayers == null || visibleLayers.Contains(layer.LayerID); bool shownInPrintLegend = !(!mapTabLayer.IsShowInPrintLegendNull() && mapTabLayer.ShowInPrintLegend == 0); if (hasClasses && visibleAtScale && shownInLegend && checkedInLegend && shownInPrintLegend) { layerList.Add(commonLayer); while (commonLayer.Parent != null) { commonLayer = commonLayer.Parent; if (!layerList.Contains(commonLayer)) { layerList.Add(commonLayer); } } } } } return(layerList); }
private void GetMapImage() { AppState appState = AppState.FromJson(Request.QueryString["state"]); // set the default map layers as visible Configuration.MapTabRow mapTab = Configuration.MapTab.FindByMapTabID(appState.MapTab); appState.VisibleLayers = new System.Collections.Generic.Dictionary <string, StringCollection>() { { appState.MapTab, new StringCollection(mapTab.GetMapTabLayerRows().Where(e => !e.IsCheckInLegendNull() && e.CheckInLegend == 1).Select(e => e.LayerID)) } }; int width = Convert.ToInt32(Request.QueryString["width"]); int height = Convert.ToInt32(Request.QueryString["height"]); MapMaker mapMaker = new MapMaker(appState, width, height); MapImageData mapImageData = mapMaker.GetImage(); Response.ContentType = mapImageData.Type == CommonImageType.Png ? "image/png" : "image/jpeg"; Response.BinaryWrite(mapImageData.Image); }
private bool CreateLayerInLegend(PdfContentByte content, Configuration.MapTabRow mapTab, List <CommonLayer> layerList, LegendProperties properties, CommonLayer layer, float indent) { if (!layerList.Contains(layer)) { return(false); } float layerHeight = GetLayerHeightInLegend(layerList, properties, layer); if (properties.CurrentY < properties.Height && properties.CurrentY - layerHeight < 0) { if (properties.CurrentColumn == properties.NumColumns) { return(true); } properties.CurrentX += properties.ColumnWidth + properties.ColumnSpacing; properties.CurrentY = properties.Height; properties.CurrentColumn += 1; } int numClasses = GetNumClasses(layer); Configuration.LayerRow configLayer = mapTab.GetMapTabLayerRows().Where(o => String.Compare(o.LayerRow.LayerName, layer.Name, true) == 0).Select(o => o.LayerRow).FirstOrDefault(); string layerName = configLayer != null && !configLayer.IsDisplayNameNull() ? configLayer.DisplayName : layer.Name; // write the layer name if (layer.Type == CommonLayerType.Group || numClasses > 1) { properties.CurrentY -= properties.FontSize; string name = layerName; try { while (content.GetEffectiveStringWidth(name, false) > properties.ColumnWidth - indent) { name = name.Substring(0, name.Length - 1); } } catch { } content.BeginText(); content.SetFontAndSize(properties.BaseFont, properties.FontSize); content.SetRGBColorFill(0, 0, 0); content.ShowTextAligned(PdfContentByte.ALIGN_LEFT, name, properties.OriginX + properties.CurrentX + indent, properties.OriginY + properties.CurrentY + (properties.SwatchHeight - properties.FontSize) / 2, 0); content.EndText(); } if (layer.Type == CommonLayerType.Group) { properties.CurrentY -= properties.LayerSpacing; foreach (CommonLayer childLayer in layer.Children) { CreateLayerInLegend(content, mapTab, layerList, properties, childLayer, indent + 1.5f * properties.FontSize); } } else { properties.CurrentY -= properties.ClassSpacing; foreach (CommonLegendGroup legendGroup in layer.Legend.Groups) { foreach (CommonLegendClass legendClass in legendGroup.Classes) { if (!legendClass.ImageIsTransparent) { properties.CurrentY -= properties.SwatchHeight; MemoryStream stream = new MemoryStream(legendClass.Image); System.Drawing.Bitmap bitmap = new System.Drawing.Bitmap(stream); float w = properties.SwatchHeight * bitmap.Width / bitmap.Height; iTextSharp.text.Image image = iTextSharp.text.Image.GetInstance(legendClass.Image); image.SetAbsolutePosition(properties.OriginX + properties.CurrentX + indent, properties.OriginY + properties.CurrentY - properties.SwatchHeight * 0.1f); image.ScaleAbsolute(w, properties.SwatchHeight); content.AddImage(image); string label = numClasses > 1 ? legendClass.Label : layerName; try { while (content.GetEffectiveStringWidth(label, false) > properties.ColumnWidth - properties.SwatchWidth - properties.ClassSpacing) { label = label.Substring(0, label.Length - 1); } } catch { } content.BeginText(); content.SetFontAndSize(properties.BaseFont, properties.FontSize); content.SetRGBColorFill(0, 0, 0); content.ShowTextAligned(PdfContentByte.ALIGN_LEFT, label, properties.OriginX + properties.CurrentX + indent + properties.SwatchWidth + properties.ClassSpacing, properties.OriginY + properties.CurrentY + (properties.SwatchHeight - properties.FontSize) / 2, 0); content.EndText(); properties.CurrentY -= properties.ClassSpacing; } } } properties.CurrentY -= properties.LayerSpacing - properties.ClassSpacing; } return(false); }
public static DataListBuilder SearchMapTab(string mapTabID, string[] visibleLayers, string levelID, double x, double y, double distance, double scale, bool addSpace) { DataListBuilder dataListBuilder = new DataListBuilder(); Configuration config = AppContext.GetConfiguration(); Configuration.MapTabRow mapTab = config.MapTab.First(o => o.MapTabID == mapTabID); CommonDataFrame dataFrame = AppContext.GetDataFrame(mapTab); Dictionary <String, Configuration.LayerRow> layers = new Dictionary <String, Configuration.LayerRow>(); Dictionary <String, Configuration.LayerFunctionRow> layerFunctions = new Dictionary <String, Configuration.LayerFunctionRow>(); bool useDefaultVisible = visibleLayers.Length == 1 && visibleLayers[0] == "*"; foreach (Configuration.MapTabLayerRow mapTabLayer in mapTab.GetMapTabLayerRows()) { bool isCandidateLayer = mapTab.IsInteractiveLegendNull() || mapTab.InteractiveLegend == 0; if (!isCandidateLayer) { bool shownInLegend = !mapTabLayer.IsShowInLegendNull() && mapTabLayer.ShowInLegend == 1; bool checkedInLegend = mapTabLayer.IsCheckInLegendNull() || mapTabLayer.CheckInLegend < 0 || visibleLayers.Any(o => o == mapTabLayer.LayerID); bool defaultVisible = useDefaultVisible && !mapTabLayer.IsCheckInLegendNull() && mapTabLayer.CheckInLegend == 1; isCandidateLayer = !shownInLegend || checkedInLegend || defaultVisible; } if (isCandidateLayer) { Configuration.LayerRow layer = mapTabLayer.LayerRow; Configuration.LayerFunctionRow layerFunction = layer.GetLayerFunctionRows().FirstOrDefault(o => o.FunctionName.ToLower() == "identify"); if (layerFunction != null) { layers.Add(layer.LayerName, layer); layerFunctions.Add(layer.LayerName, layerFunction); } } } foreach (CommonLayer commonLayer in dataFrame.Layers) { DataTable table = null; if (layers.ContainsKey(commonLayer.Name) && commonLayer.IsWithinScaleThresholds(scale)) { Configuration.LayerRow layer = layers[commonLayer.Name]; if (commonLayer.Type == CommonLayerType.Feature) { CommonField keyField = commonLayer.FindField(layer.KeyField); string levelQuery = layer.GetLevelQuery(commonLayer, levelID); table = commonLayer.GetFeatureTable(keyField.Name, levelQuery, x, y, commonLayer.FeatureType == OgcGeometryType.MultiPolygon ? 0 : distance * scale); } if (commonLayer.Type == CommonLayerType.Image && commonLayer is AgsLayer) { string id = ((AgsLayer)commonLayer).GetRasterValue(x, y); table = new DataTable(); table.Columns.Add("ID"); table.Rows.Add(id); } } if (table != null && table.Rows.Count > 0) { Configuration.LayerFunctionRow layerFunction = layerFunctions[commonLayer.Name]; foreach (DataRow row in table.Rows) { string id = row[0].ToString(); using (OleDbCommand command = layerFunction.GetDatabaseCommand()) { command.Parameters[0].Value = id; if (command.Parameters.Count > 1) { command.Parameters[1].Value = AppUser.GetRole(); } using (OleDbDataReader reader = command.ExecuteReader()) { dataListBuilder.AddFromReader(reader, addSpace); } command.Connection.Dispose(); } } } } return(dataListBuilder); }
public MapImageData GetImage() { StringCollection visibleLayers = null; if (_appState.VisibleLayers.ContainsKey(_appState.MapTab)) { visibleLayers = _appState.VisibleLayers[_appState.MapTab]; } string keyExtent = _appState.Extent.ToDelimitedString(); string keySize = _width.ToString() + "," + _height.ToString(); string keyLayers = visibleLayers != null?visibleLayers.ToString('|') : ""; string key = String.Format("{0}|{1}|{2}|{3}|{4}|{5}", _appState.MapTab, _appState.Level, keyExtent, keySize, _resolution, keyLayers); CommonImageType imageType = CommonImageType.Png; byte[] image = null; MapImageData mapImageData = AppContext.ServerImageCache.Retrieve(key); if (mapImageData != null) { imageType = mapImageData.Type; image = mapImageData.Image; } Configuration config = AppContext.GetConfiguration(); Configuration.MapTabRow mapTab = config.MapTab.FindByMapTabID(_appState.MapTab); CommonDataFrame dataFrame = AppContext.GetDataFrame(mapTab); bool isInteractive = !mapTab.IsInteractiveLegendNull() && mapTab.InteractiveLegend == 1; // create the base image if not found in the cache if (image == null) { CommonMap map = dataFrame.GetMap(_width, _height, _extent); map.Resolution = _resolution; map.ImageType = CommonImageType.Png; double pixelSize = map.Extent.Width / _width; Dictionary <int, CommonLayer> layerList = new Dictionary <int, CommonLayer>(); Dictionary <int, String> definitionList = new Dictionary <int, String>(); List <String> mapTabLayerIds = new List <String>(); foreach (Configuration.MapTabLayerRow mapTabLayer in mapTab.GetMapTabLayerRows()) { Configuration.LayerRow layer = mapTabLayer.LayerRow; mapTabLayerIds.Add(layer.LayerID); CommonLayer commonLayer = dataFrame.Layers.FirstOrDefault(lyr => String.Compare(lyr.Name, layer.LayerName, true) == 0); int index = dataFrame.Layers.IndexOf(commonLayer); bool visibleAtScale = commonLayer.IsWithinScaleThresholds(pixelSize); bool shownInLegend = !mapTabLayer.IsShowInLegendNull() && mapTabLayer.ShowInLegend == 1; bool checkedInLegend = !isInteractive || mapTabLayer.IsCheckInLegendNull() || mapTabLayer.CheckInLegend < 0 || (visibleLayers != null && visibleLayers.Contains(layer.LayerID)); bool validLevel = layer.IsLevelFieldNull() || !String.IsNullOrEmpty(_appState.Level); if (!layerList.ContainsKey(index) && visibleAtScale && (!shownInLegend || checkedInLegend) && validLevel) { if (commonLayer.Type == CommonLayerType.Image) { map.ImageType = CommonImageType.Jpg; } layerList.Add(index, commonLayer); definitionList.Add(index, layer.GetLevelQuery(commonLayer, _appState.Level)); } } if (!mapTab.IsBaseMapIDNull()) { foreach (Configuration.LayerRow layer in config.Layer.Where(o => !o.IsBaseMapIDNull() && o.BaseMapID == mapTab.BaseMapID)) { if (!mapTabLayerIds.Contains(layer.LayerID)) { CommonLayer commonLayer = dataFrame.Layers.FirstOrDefault(o => String.Compare(o.Name, layer.LayerName, true) == 0); int index = dataFrame.Layers.IndexOf(commonLayer); bool visibleAtScale = commonLayer.IsWithinScaleThresholds(pixelSize); if (!layerList.ContainsKey(index) && visibleAtScale) { if (commonLayer.Type == CommonLayerType.Image) { map.ImageType = CommonImageType.Jpg; } layerList.Add(index, commonLayer); definitionList.Add(index, layer.GetLevelQuery(commonLayer, _appState.Level)); } } } } int[] indexes = new int[layerList.Keys.Count]; layerList.Keys.CopyTo(indexes, 0); List <int> indexList = new List <int>(indexes); indexList.Sort(); for (int i = 0; i < indexList.Count; ++i) { map.AddLayer(layerList[indexList[i]], definitionList[indexList[i]]); } imageType = map.ImageType; image = map.GetImageBytes(); AppContext.ServerImageCache.Store(key, new MapImageData(imageType, image)); } // draw the selected feature graphics and markup if (_appState.TargetIds.Count > 0 || _appState.SelectionIds.Count > 0 || _appState.MarkupGroups.Count > 0 || _appState.Markup.Count > 0) { Bitmap bitmap = new Bitmap(new MemoryStream(image)); bitmap.SetResolution(dataFrame.Dpi, dataFrame.Dpi); Graphics graphics = Graphics.FromImage(bitmap); if (_appState.TargetIds.Count > 0 || _appState.SelectionIds.Count > 0) { StringCollection targetIds; StringCollection filteredIds; StringCollection selectionIds; PrepareIds(out targetIds, out filteredIds, out selectionIds); DrawFeatures(graphics, _appState.TargetLayer, filteredIds, AppSettings.FilteredColor, AppSettings.FilteredOpacity, AppSettings.FilteredPolygonMode, AppSettings.FilteredPenWidth, AppSettings.FilteredDotSize); DrawFeatures(graphics, _appState.SelectionLayer, selectionIds, AppSettings.SelectionColor, AppSettings.SelectionOpacity, AppSettings.SelectionPolygonMode, AppSettings.SelectionPenWidth, AppSettings.SelectionDotSize); DrawFeatures(graphics, _appState.TargetLayer, targetIds, AppSettings.TargetColor, AppSettings.TargetOpacity, AppSettings.TargetPolygonMode, AppSettings.TargetPenWidth, AppSettings.TargetDotSize); DrawFeatures(graphics, _appState.TargetLayer, _appState.ActiveMapId, AppSettings.ActiveColor, AppSettings.ActiveOpacity, AppSettings.ActivePolygonMode, AppSettings.ActivePenWidth, AppSettings.ActiveDotSize); IGeometry selectionBuffer = _appState.SelectionManager.GetSelectionBuffer(); if (selectionBuffer != null) { Brush bufferBrush = new SolidBrush(Color.FromArgb(Convert.ToInt32(255 * AppSettings.BufferOpacity), AppSettings.BufferColor)); Pen bufferPen = AppSettings.BufferOutlineOpacity > 0 ? new Pen(new SolidBrush(Color.FromArgb(Convert.ToInt32(255 * AppSettings.BufferOutlineOpacity), AppSettings.BufferOutlineColor)), AppSettings.BufferOutlinePenWidth) : null; switch (selectionBuffer.OgcGeometryType) { case OgcGeometryType.Polygon: DrawPolygon(graphics, (IPolygon)selectionBuffer, bufferBrush, null, bufferPen); break; case OgcGeometryType.MultiPolygon: DrawMultiPolygon(graphics, (IMultiPolygon)selectionBuffer, bufferBrush, null, bufferPen); break; } } } graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias; DrawMarkup(graphics); MemoryStream memoryStream = new MemoryStream(); if (imageType == CommonImageType.Jpg) { ImageCodecInfo imageCodecInfo = GetEncoderInfo("image/jpeg"); EncoderParameters encoderParameters = new EncoderParameters(1); encoderParameters.Param[0] = new EncoderParameter(Encoder.Quality, 85L); bitmap.Save(memoryStream, imageCodecInfo, encoderParameters); } else { bitmap.Save(memoryStream, bitmap.RawFormat); } image = memoryStream.ToArray(); } return(new MapImageData(imageType, image)); }
private void AddLayers(Configuration.MapTabRow mapTabRow, AppState appState) { CommonDataFrame dataFrame = AppContext.GetDataFrame(mapTabRow); bool isInteractive = !mapTabRow.IsInteractiveLegendNull() && mapTabRow.InteractiveLegend == 1; CheckMode checkMode = CheckMode.None; List <CommonLayer> configuredLayers = new List <CommonLayer>(); List <LayerProperties> layerProperties = new List <LayerProperties>(); List <String> mapTabLayerIds = new List <String>(); string name = null; string metaDataUrl = null; StringCollection visibleLayers = isInteractive ? appState.VisibleLayers[mapTabRow.MapTabID] : null; // find layers attached via MapTabLayer foreach (Configuration.MapTabLayerRow mapTabLayerRow in mapTabRow.GetMapTabLayerRows()) { if (!mapTabLayerRow.IsShowInLegendNull() && mapTabLayerRow.ShowInLegend == 1) { CommonLayer layer = dataFrame.Layers.FirstOrDefault(lyr => String.Compare(lyr.Name, mapTabLayerRow.LayerRow.LayerName, true) == 0); name = mapTabLayerRow.LayerRow.IsDisplayNameNull() ? mapTabLayerRow.LayerRow.LayerName : mapTabLayerRow.LayerRow.DisplayName; metaDataUrl = mapTabLayerRow.LayerRow.IsMetaDataURLNull() ? null : mapTabLayerRow.LayerRow.MetaDataURL; bool isExclusive = mapTabLayerRow.IsIsExclusiveNull() ? false : mapTabLayerRow.IsExclusive == 1; string tag = mapTabLayerRow.LayerID; mapTabLayerIds.Add(tag); if (isInteractive) { bool layerVisible = visibleLayers != null && visibleLayers.Contains(mapTabLayerRow.LayerID); checkMode = mapTabLayerRow.IsCheckInLegendNull() || mapTabLayerRow.CheckInLegend < 0 ? CheckMode.Empty : layerVisible ? CheckMode.Checked : CheckMode.Unchecked; } configuredLayers.Add(layer); layerProperties.Add(new LayerProperties(name, tag, checkMode, isExclusive, metaDataUrl)); } } // add group layers as necessary for (int i = 0; i < configuredLayers.Count; ++i) { checkMode = !isInteractive ? CheckMode.None : layerProperties[i].CheckMode == CheckMode.Checked ? CheckMode.Checked : CheckMode.Unchecked; CommonLayer parent = configuredLayers[i].Parent; while (parent != null) { int index = configuredLayers.IndexOf(parent); if (index < 0) { configuredLayers.Add(parent); layerProperties.Add(new LayerProperties(parent.Name, null, checkMode, false, null)); } else { if (checkMode == CheckMode.Checked && layerProperties[index].CheckMode == CheckMode.Unchecked) { layerProperties[index].CheckMode = CheckMode.Checked; } } parent = parent.Parent; } } // create the top level legend control for this map tab HtmlGenericControl parentLegend = new HtmlGenericControl("div"); pnlLayerScroll.Controls.Add(parentLegend); parentLegend.Attributes["data-maptab"] = mapTabRow.MapTabID; parentLegend.Attributes["class"] = "LegendTop"; parentLegend.Style["display"] = mapTabRow.MapTabID == appState.MapTab ? "block" : "none"; // add the Legend controls for the configured layers foreach (CommonLayer layer in dataFrame.TopLevelLayers) { AddLayerToLegend(mapTabRow.MapTabID, configuredLayers, layerProperties, parentLegend, layer); } }
public void Initialize(Configuration.ApplicationRow application) { // find all searches for this application List <Configuration.SearchRow> searches = new List <Configuration.SearchRow>(); foreach (Configuration.ApplicationMapTabRow appMapTabRow in application.GetApplicationMapTabRows()) { Configuration.MapTabRow mapTabRow = appMapTabRow.MapTabRow; foreach (Configuration.MapTabLayerRow mapTabLayerRow in mapTabRow.GetMapTabLayerRows().Where(o => !o.IsAllowTargetNull() && o.AllowTarget > 0)) { Configuration.LayerRow layerRow = mapTabLayerRow.LayerRow; foreach (Configuration.SearchRow searchRow in layerRow.GetSearchRows()) { if (!searches.Any(o => o.SearchID == searchRow.SearchID)) { searches.Add(searchRow); } } } } // generate the search interfaces foreach (Configuration.SearchRow searchRow in searches) { // create the panel for this search HtmlGenericControl search = new HtmlGenericControl("div"); search.Attributes["data-search"] = searchRow.SearchID; search.Attributes["class"] = "Search"; search.Style["display"] = "none"; foreach (Configuration.SearchInputFieldRow searchInputFieldRow in searchRow.GetSearchInputFieldRows().OrderBy(o => o.SequenceNo)) { // add UI elements for this criterion HtmlGenericControl searchInputField = new HtmlGenericControl("div"); search.Controls.Add(searchInputField); searchInputField.Attributes["data-criteria"] = searchInputFieldRow.FieldID; searchInputField.Attributes["class"] = "SearchInputField"; HtmlGenericControl searchLabel = new HtmlGenericControl("span"); searchInputField.Controls.Add(searchLabel); searchLabel.InnerText = searchInputFieldRow.DisplayName; searchLabel.Attributes["class"] = "Label"; HtmlGenericControl betweenText; switch (searchInputFieldRow.FieldType) { case "autocomplete": AddInputFieldValue(searchInputField, new HtmlInputText("text"), searchInputFieldRow, "Autocomplete"); break; case "date": AddInputFieldValue(searchInputField, new HtmlInputText("text"), searchInputFieldRow, "Date"); break; case "daterange": AddInputFieldValue(searchInputField, new HtmlInputText("text"), searchInputFieldRow, "DateRange 1"); betweenText = new HtmlGenericControl("span"); searchInputField.Controls.Add(betweenText); betweenText.InnerText = " - "; AddInputFieldValue(searchInputField, new HtmlInputText("text"), searchInputFieldRow, "DateRange 2"); break; case "list": HtmlSelect select = CreateSelect(searchInputFieldRow); AddInputFieldValue(searchInputField, select, searchInputFieldRow, "List"); break; case "number": AddInputFieldValue(searchInputField, AddNumericTip(new HtmlInputText("text")), searchInputFieldRow, "Number"); break; case "numberrange": AddInputFieldValue(searchInputField, AddNumericTip(new HtmlInputText("text")), searchInputFieldRow, "NumberRange 1"); betweenText = new HtmlGenericControl("span"); searchInputField.Controls.Add(betweenText); betweenText.InnerText = " - "; AddInputFieldValue(searchInputField, AddNumericTip(new HtmlInputText("text")), searchInputFieldRow, "NumberRange 2"); break; case "text": AddInputFieldValue(searchInputField, new HtmlInputText("text"), searchInputFieldRow, "Text"); break; } search.Controls.Add(new HtmlGenericControl("br")); } pnlSearchScroll.Controls.Add(search); } }
private void DefaultMethod() { string v = Request.Form["visiblelayers"]; string[] visibleLayers = v == null ? new string[0] : v.Split('\u0001'); string level = Request.Form["level"]; double x = Convert.ToDouble(Request.Form["x"]); double y = Convert.ToDouble(Request.Form["y"]); double distance = Convert.ToDouble(Request.Form["distance"]); double scale = Convert.ToDouble(Request.Form["scale"]); Configuration config = AppContext.GetConfiguration(); Configuration.MapTabRow mapTab = config.MapTab.First(o => o.MapTabID == Request.Form["maptab"]); CommonDataFrame dataFrame = AppContext.GetDataFrame(mapTab); Dictionary <String, Configuration.LayerRow> layers = new Dictionary <String, Configuration.LayerRow>(); Dictionary <String, Configuration.LayerFunctionRow> layerFunctions = new Dictionary <String, Configuration.LayerFunctionRow>(); foreach (Configuration.MapTabLayerRow mapTabLayer in mapTab.GetMapTabLayerRows()) { bool isCandidateLayer = mapTab.IsInteractiveLegendNull() || mapTab.InteractiveLegend == 0; if (!isCandidateLayer) { bool shownInLegend = !mapTabLayer.IsShowInLegendNull() && mapTabLayer.ShowInLegend == 1; bool checkedInLegend = mapTabLayer.IsCheckInLegendNull() || mapTabLayer.CheckInLegend < 0 || visibleLayers.Any(o => o == mapTabLayer.LayerID); isCandidateLayer = !shownInLegend || checkedInLegend; } if (isCandidateLayer) { Configuration.LayerRow layer = mapTabLayer.LayerRow; Configuration.LayerFunctionRow layerFunction = layer.GetLayerFunctionRows().FirstOrDefault(o => o.FunctionName.ToLower() == "maptip"); if (layerFunction != null) { layers.Add(layer.LayerName, layer); layerFunctions.Add(layer.LayerName, layerFunction); } } } string tipText = null; for (int i = 0; i < dataFrame.Layers.Count - 1 && tipText == null; ++i) { CommonLayer commonLayer = dataFrame.Layers[i]; string id = null; if (layers.ContainsKey(commonLayer.Name) && commonLayer.IsWithinScaleThresholds(scale)) { if (commonLayer.Type == CommonLayerType.Feature) { Configuration.LayerRow layer = layers[commonLayer.Name]; string levelQuery = layer.GetLevelQuery(commonLayer, level); CommonField keyField = commonLayer.FindField(layer.KeyField); DataTable table = commonLayer.GetFeatureTable(keyField.Name, levelQuery, x, y, commonLayer.FeatureType == OgcGeometryType.MultiPolygon ? 0 : distance * scale); if (table != null && table.Rows.Count > 0) { id = table.Rows[table.Rows.Count - 1][0].ToString(); } } if (commonLayer.Type == CommonLayerType.Image) { id = ((AgsLayer)commonLayer).GetRasterValue(x, y); } } if (!String.IsNullOrEmpty(id)) { Configuration.LayerFunctionRow layerFunction = layerFunctions[commonLayer.Name]; using (OleDbCommand command = layerFunction.GetDatabaseCommand()) { command.Parameters[0].Value = id; if (command.Parameters.Count > 1) { command.Parameters[1].Value = AppUser.GetRole(); } using (OleDbDataReader reader = command.ExecuteReader()) { if (reader.Read()) { StringCollection text = new StringCollection(); for (int j = 0; j < reader.FieldCount; ++j) { if (!reader.IsDBNull(j)) { text.Add(reader.GetValue(j).ToString()); } } if (text.Count > 0) { tipText = text.Join("\n"); } } } command.Connection.Close(); } } } if (tipText == null) { ReturnJson(null); } else { Dictionary <String, Object> result = new Dictionary <String, Object>(); result.Add("tipText", tipText); ReturnJson(result); } }