public ParcelUsageTheme()
{
DictColor = new Dictionary <string, Color>();
foreach (var entry in ParcelColorCfg.GetParcelColor())
{
Color color = VectorStyleManager.ParseColor(entry.Value);
if (entry.Key == "_")
{
this.AddCondition(f => true, color);
DictColor.Add("其余", color);
}
else
{
string key1 = entry.Key;
string key2 = ParcelColorCfg.GetParcelUsage().First(f => f.Key == key1).Value;
string key = string.Format("{0}:{1}", key1, key2);
DictColor.Add(key, color);
this.AddCondition(f => f["用地代码"].StartsWith(key1), color);
}
}
}
private void ComboBoxCallback(object sender, EventArgs e)
{
if (!MapControl.Current.Layers.Any(mapLayer => mapLayer.LayerData.Name == WellknownLayerNames.Parcel))
{
return;
}
var parcelLayer = MapControl.Current.Layers.First(mapLayer => mapLayer.LayerData.Name == WellknownLayerNames.Parcel);
string currentItem = _comboBox.SelectedItem as string;
IColorTheme parcelTheme = null;
if (currentItem == None)
{
_vLayout.Children.Clear();
_checkBox.Visibility = Visibility.Collapsed;
parcelTheme = null;
}
else if (currentItem == LandUse)
{
_checkBox.Visibility = Visibility.Visible;
var usageTheme = new ParcelUsageTheme();
parcelTheme = usageTheme;
_dictColor = usageTheme.DictColor;
ShowLegend();
}
else if (currentItem == FloorAreaRatio || currentItem == SiteCoverageRatio ||
currentItem == GreenRate || currentItem == BuildingHeightLimit)
{
_checkBox.Visibility = Visibility.Visible;
var gradientTheme = new BiColorGradientTheme
{
Property = currentItem,
MinValue = GetPropMinValue(parcelLayer, currentItem),
MaxValue = GetPropMaxValue(parcelLayer, currentItem)
};
parcelTheme = gradientTheme;
_dictColor = GetGradientDictColor(gradientTheme);
ShowLegend();
}
if (parcelTheme != null) // mod 20120725
{
parcelLayer.ApplyColorTheme(parcelTheme);
if (parcelTheme is IDataVisualizationTheme)
{
string prop = (parcelTheme as IDataVisualizationTheme).Property;
parcelLayer.ApplyToolTip(feature => UIHelper.TitledToolTip(title: prop, content: feature[prop]));
}
else if (parcelTheme is ParcelUsageTheme)
{
parcelLayer.ApplyToolTip(feature => UIHelper.TitledToolTip(
title: feature[WellknownPropertyNames.LandUseCode],
content: ParcelColorCfg.GetUsageByCode(feature[WellknownPropertyNames.LandUseCode])));
}
}
else
{
parcelLayer.ClearColorTheme();
parcelLayer.ApplyToolTip(feature => null);
}
}
