/// <summary>
/// Create element chart and add it into an Elememt Layer in the Map
/// </summary>
private void CreateElementChart(Graphic graphic, string displayValue)
{
ChartQueryLayer chartLayer = queryTool.QueryLayer as ChartQueryLayer;
string[] outFields = chartLayer.OutputFields.Split(',');
string[] outLabels = chartLayer.OutputLabels.Split(',');
string title = string.Format("{0} - {1}", displayValue, chartLayer.Title);
bool isPercentDependent = chartLayer.ChartOutput.DependentIsPercentage;
string dependentAxisTitle = chartLayer.ChartOutput.DependentAxisTitle;
Chart chart = null;
switch (chartLayer.ChartOutput.ChartType)
{
case "Bar":
case "Column":
chart = CreateSingleBarChart(graphic, chartLayer.ChartOutput.ChartType, outFields, outLabels, title, dependentAxisTitle);
break;
case "Pie":
chart = CreateSinglePieChart(graphic, outFields, outLabels, title, dependentAxisTitle, isPercentDependent);
chart.Background = new SolidColorBrush(Color.FromArgb(204, 240, 240, 255));
break;
}
Envelope ext = GeometryTool.ExpandGeometryExtent(graphic.Geometry, 0.10);
ElementLayer.SetEnvelope(chart, ext);
elementLayer.Children.Clear();
elementLayer.Children.Add(chart);
this.MapControl.ZoomTo(ext);
}
private void Query_ResultReady(object sender, QueryResultEventArgs args)
{
this.ClearGraphics(2); // Toggle to Results Panel
if (args.Results != null && args.Results.Features.Count > 0)
{
isFirstLoad = true; // Suppress filter results by map extent or pan map
QueryResultMessage.Visibility = Visibility.Collapsed;
FeatureSet fset = args.Results;
Symbol symbol = ChooseSymbol(fset.GeometryType.ToString(), false);
GeoFeatureCollection dataset = new GeoFeatureCollection(args.QueryLayer.OutputFields, args.QueryLayer.OutputLabels, fset.DisplayFieldName, args.QueryLayer.Title);
foreach (Graphic feature in fset.Features)
{
feature.Symbol = symbol;
feature.Geometry.SpatialReference = fset.SpatialReference;
this.GraphicsLayer.Graphics.Add(feature);
dataset.Add(feature);
}
this.FeatureSets.Add(dataset);
this.GraphicsTipTemplate = args.QueryLayer.MapTipTemplate;
this.MapControl.ZoomTo(GeometryTool.ExpandGeometryExtent(this.GraphicsLayer.FullExtent, 0.25));
}
else
{
QueryResultMessage.Visibility = Visibility.Visible;
QueryResultMessage.Text = string.Format("Sorry! {0}", (string.IsNullOrEmpty(args.ErrorMsg)) ? "No features are found." : args.ErrorMsg);
}
this.IsBusy = false;
}
/// <summary>
/// Zoom map to a specific graphic
/// </summary>
public void ZoomToGraphics()
{
if (graphicsLayer != null)
{
// Expand the extent in case only one point graphic available in the graphics layer
this.MapControl.ZoomTo(GeometryTool.ExpandGeometryExtent(this.GraphicsLayer.FullExtent, 0.25));
}
}
private void FeatureLayer_UpdateCompleted(object sender, EventArgs e)
{
if (agisFeatureLayer.FullExtent != null)
{
// Expand this extent in case only one point is selected
this.MapControl.ZoomTo(GeometryTool.ExpandGeometryExtent(agisFeatureLayer.FullExtent, 0.0));
}
}
private void AddressCandidate_Click(object sender, MouseButtonEventArgs e)
{
if (sender is TextBlock)
{
TextBlock block = sender as TextBlock;
if (block.Tag != null && block.Tag is MapPoint)
{
MapPoint location = (MapPoint)block.Tag;
HighlightSelectedGraphic(location, block.Text);
this.MapControl.ZoomTo(GeometryTool.ExpandGeometryExtent(this.SelectedGraphic.Geometry, 0.5));
}
}
}
private void RSSTitleLink_Click(object sender, System.Windows.RoutedEventArgs e)
{
if (sender is SimpleLinkButton)
{
if (selectedRssItemPanel != null)
{
TextBlock oldRssDesc = selectedRssItemPanel.FindName("RssDescription") as TextBlock;
oldRssDesc.Visibility = Visibility.Collapsed;
HyperlinkButton oldRssLink = selectedRssItemPanel.FindName("RssHyperlink") as HyperlinkButton;
oldRssLink.Visibility = Visibility.Collapsed;
}
SimpleLinkButton titleLink = sender as SimpleLinkButton;
StackPanel rssItemStack = titleLink.Parent as StackPanel;
selectedRssItemPanel = rssItemStack;
TextBlock textRssDesc = rssItemStack.FindName("RssDescription") as TextBlock;
if (textRssDesc != null)
{
textRssDesc.Visibility = Visibility.Visible;
}
HyperlinkButton btnRssLink = rssItemStack.FindName("RssHyperlink") as HyperlinkButton;
if (btnRssLink != null)
{
btnRssLink.Visibility = Visibility.Visible;
}
ESRI.ArcGIS.Client.Geometry.Geometry geometry = titleLink.Tag as ESRI.ArcGIS.Client.Geometry.Geometry;
this.MapControl.ZoomTo(GeometryTool.ExpandGeometryExtent(geometry, 0.10));
/* If other widgets need to know the SelectedGraphic */
this.SelectedGraphic = new Graphic();
this.SelectedGraphic.Geometry = geometry;
this.SelectedGraphic.Attributes.Add("Title", titleLink.Text);
this.SelectedGraphic.Attributes.Add("Description", textRssDesc.Text);
this.SelectedGraphic.Attributes.Add("Link", btnRssLink.NavigateUri.AbsoluteUri);
}
}