// finds an opened graph window
private IDataGraphWindow2 FindGraphWindow(ref IDataGraphBase pDataGraphBase)
{
IApplicationWindows pApplicationWindows = null;
pApplicationWindows = (IApplicationWindows)ArcMap.Application;
ISet pDataWindows = null;
pDataWindows = pApplicationWindows.DataWindows;
int winCount = 0;
winCount = pDataWindows.Count;
if (winCount <= 0)
{
return(null);
}
pDataWindows.Reset();
for (int i = 0; i < winCount; i++)
{
IDataGraphWindow2 pDataGraphWindow2 = null;
pDataGraphWindow2 = (IDataGraphWindow2)pDataWindows.Next();
if (pDataGraphWindow2 != null)
{
IDataGraphBase pDataGraphTmp = null;
pDataGraphTmp = pDataGraphWindow2.DataGraphBase;
if (pDataGraphBase == pDataGraphTmp)
{
return(pDataGraphWindow2);
}
}
}
return(null);
}
protected override void OnMouseDown(ESRI.ArcGIS.Desktop.AddIns.Tool.MouseEventArgs arg)
{
int X = arg.X;
int Y = arg.Y;
IMxApplication pMxApp = null;
IMxDocument pMxDoc = null;
pMxApp = (IMxApplication)ArcMap.Application;
pMxDoc = (IMxDocument)ArcMap.Application.Document;
// calculate tolerance rectangle to identify features inside it
int Tolerance = 0;
Tolerance = pMxDoc.SearchTolerancePixels;
IDisplayTransformation pDispTrans = null;
pDispTrans = pMxApp.Display.DisplayTransformation;
tagRECT pToleranceRect = new tagRECT();
pToleranceRect.left = X - Tolerance;
pToleranceRect.right = X + Tolerance;
pToleranceRect.top = Y - Tolerance;
pToleranceRect.bottom = Y + Tolerance;
IEnvelope pSearchEnvelope = null;
pSearchEnvelope = new EnvelopeClass();
pDispTrans.TransformRect(pSearchEnvelope, ref pToleranceRect, (int)(esriDisplayTransformationEnum.esriTransformPosition | esriDisplayTransformationEnum.esriTransformToMap));
// identify feature points of measurement
IBasicDocument pBasicDoc = null;
pBasicDoc = (IBasicDocument)ArcMap.Application.Document;
pSearchEnvelope.SpatialReference = pMxDoc.ActiveView.FocusMap.SpatialReference;
IIdentify pIdentify = null;
pIdentify = (IIdentify)pMxDoc.FocusMap.get_Layer(0);
if (pIdentify == null)
{
MessageBox.Show("No layer");
return;
}
IArray pIDArray = null;
pIDArray = pIdentify.Identify(pSearchEnvelope);
// get object from feature point
IIdentifyObj pIDObj = null;
if (pIDArray != null)
{
pIDObj = (IIdentifyObj)pIDArray.get_Element(0);
}
if (pIDObj == null)
{
MessageBox.Show("No feature was identified");
return;
}
// get the name of the layer containing feature points
ILayer pLayer = null;
pLayer = pMxDoc.FocusMap.get_Layer(0);
string layerName = null;
layerName = pLayer.Name;
// get primary display field for measurement values and set names of a date/time field and gage ID field
IFeatureLayer pFeatLayer = null;
pFeatLayer = (IFeatureLayer)pLayer;
string dataFldName = null;
string timefldName = null;
string gageIDFldName = null;
dataFldName = "TSValue";
timefldName = "TSDateTime"; // substitute data/time field name for different dataset
gageIDFldName = "Name"; // substitute gage ID field name for different dataset
// get display table from layer
ITable pTable = null;
IDisplayTable pDisplayTable = null;
pDisplayTable = (IDisplayTable)pLayer;
if (pDisplayTable != null)
{
pTable = pDisplayTable.DisplayTable;
if (pTable == null)
{
goto THEEND;
}
}
// get fields from display table
IFields pFields = null;
pFields = pTable.Fields;
long fldCount = 0;
fldCount = pFields.FieldCount;
// create WHERE clause from identified objects of measurement points
int gageIDFldIdx = 0;
gageIDFldIdx = pFields.FindField(gageIDFldName);
IRowIdentifyObject pRowIDObj = null;
pRowIDObj = (IRowIdentifyObject)pIDObj;
string gageID = null;
gageID = (string)pRowIDObj.Row.get_Value(gageIDFldIdx);
IFeatureLayerDefinition pFeatureLayerDef = null;
pFeatureLayerDef = (IFeatureLayerDefinition)pLayer;
string definitionExpression = null;
definitionExpression = pFeatureLayerDef.DefinitionExpression;
string whereClause = null;
if (definitionExpression == "")
{
whereClause = "[" + gageIDFldName + "] = '" + gageID + "'";
}
else
{
whereClause = "[" + gageIDFldName + "] = '" + gageID + "' AND " + definitionExpression;
}
//find color for the identified object from feature layer's renderer
IGeoFeatureLayer pGeoFeatureLayer = null;
pGeoFeatureLayer = (IGeoFeatureLayer)pLayer;
ILookupSymbol pLookupSymbol = null;
pLookupSymbol = (ILookupSymbol)pGeoFeatureLayer.Renderer;
IFeature pFeature = null;
pFeature = (IFeature)pRowIDObj.Row;
IMarkerSymbol pSymbol = null;
pSymbol = (IMarkerSymbol)pLookupSymbol.LookupSymbol(false, pFeature);
// Find an opened GraphWindow
IDataGraphBase pDataGraphBase = null;
IDataGraphT pDataGraphT = null;
IDataGraphWindow2 pDGWin = null;
IDataGraphCollection pDataGraphs = null;
pDataGraphs = (IDataGraphCollection)pMxDoc;
int grfCount = 0;
grfCount = pDataGraphs.DataGraphCount;
for (int i = 0; i < grfCount; i++)
{
pDataGraphBase = pDataGraphs.get_DataGraph(i);
pDGWin = FindGraphWindow(ref pDataGraphBase);
if (pDGWin != null)
{
break;
}
}
// if there is not an opened graph window - create a new graph for
if (pDGWin == null)
{
// create graph
pDataGraphT = new DataGraphTClass();
pDataGraphBase = (IDataGraphBase)pDataGraphT;
// load template from <ARCGISHOME>\GraphTemplates\
string strPath = null;
strPath = Environment.GetEnvironmentVariable("ARCGISHOME");
try
{
pDataGraphT.LoadTemplate(strPath + @"GraphTemplates\timeseries.tee");
}
catch
{ }
// graph, axis and legend titles. Substitute them for different input layer
pDataGraphT.GeneralProperties.Title = "Daily Streamflow for Guadalupe Basin in 1999";
pDataGraphT.LegendProperties.Title = "Monitoring Point";
pDataGraphT.get_AxisProperties(0).Title = "Streamflow (cfs)";
pDataGraphT.get_AxisProperties(0).Logarithmic = true;
pDataGraphT.get_AxisProperties(2).Title = "Date";
pDataGraphBase.Name = layerName;
}
else // get graph from the opened window
{
pDataGraphT = (IDataGraphT)pDataGraphBase;
}
// create vertical line series for all measurements for the identified gage
ISeriesProperties pSP = null;
pSP = pDataGraphT.AddSeries("line:vertical");
pSP.ColorType = esriGraphColorType.esriGraphColorCustomAll;
pSP.CustomColor = pSymbol.Color.RGB;
pSP.WhereClause = whereClause;
pSP.InLegend = true;
pSP.Name = gageID;
pSP.SourceData = pLayer;
pSP.SetField(0, timefldName);
pSP.SetField(1, dataFldName);
IDataSortSeriesProperties pSortFlds = null;
pSortFlds = (IDataSortSeriesProperties)pSP;
int idx = 0;
pSortFlds.AddSortingField(timefldName, true, ref idx);
pDataGraphBase.UseSelectedSet = true;
ITrackCancel pCancelTracker = null;
pCancelTracker = new CancelTracker();
pDataGraphT.Update(pCancelTracker);
// create data graph window if there is not any opened one
if (pDGWin == null)
{
pDGWin = new DataGraphWindowClass();
pDGWin.DataGraphBase = pDataGraphBase;
pDGWin.Application = ArcMap.Application;
pDGWin.Show(true);
pDataGraphs.AddDataGraph(pDataGraphBase);
}
THEEND:
return;
//base.OnMouseDown(arg);
}
