// This method would be called whenever the style needs to updated
private void dataSelectorUserControl_StyleUpdated(object sender, StyleUpdatedDataSelectorUserControlEventArgs e)
{
HideStyleControls();
DataSelectorUserControl dataSelectorUserControl = sender as DataSelectorUserControl;
LegendAdornmentLayer legendAdornmentLayer = (LegendAdornmentLayer)map.AdornmentOverlay.Layers[0];
// Here we update the styleBuilder and UI according to the style builder type passed from the data selector user control.
switch (e.DemographicStyleBuilderType)
{
case DemographicStyleBuilderType.ValueCircle:
currentStyleBuilder = new ValueCircleDemographicStyleBuilder();
trackBarValueCirleRadio.Visible = true;
lblValueCircle.Visible = true;
legendAdornmentLayer.Title.TextStyle.TextColumnName = e.ActivatedStyleSelectors[0].LegendTitle;
break;
case DemographicStyleBuilderType.DotDensity:
currentStyleBuilder = new DotDensityDemographicStyleBuilder();
lblFewer.Visible = true;
lblMore.Visible = true;
trackBarDots.Visible = true;
lblDotDensityUnit.Visible = true;
legendAdornmentLayer.Title.TextStyle.TextColumnName = e.ActivatedStyleSelectors[0].LegendTitle;
break;
case DemographicStyleBuilderType.PieChart:
currentStyleBuilder = new PieChartDemographicStyleBuilder();
foreach (StyleSelectorUserControl item in e.ActivatedStyleSelectors)
{
((PieChartDemographicStyleBuilder)currentStyleBuilder).SelectedColumnAliases.Add(item.Alias);
}
legendAdornmentLayer.Title.TextStyle.TextColumnName = dataSelectorUserControl.Title;
break;
case DemographicStyleBuilderType.Thematic:
default:
currentStyleBuilder = new ThematicDemographicStyleBuilder();
lblDisplayEndColor.Visible = true;
lblColorWheelDirection.Visible = true;
cbxActiveEndColor.Visible = true;
cbxSelectColorWheelDirection.Visible = true;
legendAdornmentLayer.Title.TextStyle.TextColumnName = e.ActivatedStyleSelectors[0].LegendTitle;
lblDisplayColor.Text = "Display Start Color";
break;
}
foreach (StyleSelectorUserControl activatedStyleSelector in e.ActivatedStyleSelectors)
{
currentStyleBuilder.SelectedColumns.Add(activatedStyleSelector.ColumnName);
}
// Update UI and map.
UpdateUIControls(currentStyleBuilder);
UpdateMap(currentStyleBuilder);
}
// Here we load all the nodes on the left from xml file.
private void LoadDataSelectorUserControls()
{
XDocument xDocument = XDocument.Load(@"../../App_Data/CategoryList.xml");
IEnumerable <XElement> elements = from category in xDocument.Element("DemographicMap").Elements("Category")
select category;
Collection <DataSelectorUserControl> userControls = new Collection <DataSelectorUserControl>();
foreach (var element in elements)
{
DataSelectorUserControl dataSelector = null;
if (element.Attribute("name").Value != "Custom Data")
{
dataSelector = new DataSelectorUserControl();
}
else
{
dataSelector = new CustomDataSelectorUserControl();
((CustomDataSelectorUserControl)dataSelector).DataSelected += MainForm_CustomDataSelected;
}
dataSelector.Title = element.Attribute("name").Value;
dataSelector.Image = new Bitmap(string.Format("{0}{1}", "../../", element.Attribute("icon").Value));
foreach (var item in element.Elements("item"))
{
StyleSelectorUserControl styleSelector = new StyleSelectorUserControl();
styleSelector.ColumnName = item.Element("columnName").Value;
styleSelector.Alias = item.Element("alias").Value;
styleSelector.LegendTitle = item.Element("legendTitle").Value;
dataSelector.AddStyleSelector(styleSelector);
}
if (dataSelector.GetStyleSelectorCount() >= 2)
{
dataSelector.PieChartEnabled = true;
}
dataSelector.StyleUpdated += dataSelectorUserControl_StyleUpdated;
dataSelector.Click += dataSelector_Click;
flowLayoutPanel1.Controls.Add(dataSelector);
}
((DataSelectorUserControl)(flowLayoutPanel1.Controls[0])).SetActiveStatus(true);
}
private void dataSelector_Click(object sender, EventArgs e)
{
DataSelectorUserControl clickedDataSelector = (DataSelectorUserControl)sender;
foreach (DataSelectorUserControl control in flowLayoutPanel1.Controls.OfType <DataSelectorUserControl>())
{
if (clickedDataSelector != control && control.IsActive)
{
control.SetActiveStatus(false);
}
}
clickedDataSelector.SetActiveStatus(!clickedDataSelector.IsActive);
if (!(clickedDataSelector is CustomDataSelectorUserControl))
{
currentFeatureLayer = censusStateFeatureLayer;
}
else
{
currentFeatureLayer = customFeatureLayer;
}
((LayerOverlay)map.Overlays["DemographicLayerOverlayKey"]).Layers.Clear();
((LayerOverlay)map.Overlays["DemographicLayerOverlayKey"]).Layers.Add(currentFeatureLayer);
}