private void comboboxCallback(object sender, EventArgs e)
{
if (!MapControl.Current.Layers.Any(x => x.LayerData.Name == "地块"))
{
return;
}
MapLayer parcelLayer = MapControl.Current.Layers.First(x => x.LayerData.Name == "地块");
string currentItem = _comboBox.SelectedItem as string;
if (currentItem == "无")
{
_vLayout.Children.Clear();
_checkBox.Visibility = System.Windows.Visibility.Collapsed;
ParcelTheme = null;
}
else if (currentItem == "用地性质")
{
_checkBox.Visibility = System.Windows.Visibility.Visible;
ParcelUsageTheme usageTheme = new ParcelUsageTheme();
ParcelTheme = usageTheme;
_dictColor = usageTheme.DictColor;
ShowLegend();
}
else if (currentItem == "容积率" || currentItem == "建筑密度" || currentItem == "绿地率" || currentItem == "建筑限高")
{
_checkBox.Visibility = System.Windows.Visibility.Visible;
var gradientTheme = new BiColorGradientTheme();
gradientTheme.Property = currentItem;
gradientTheme.MinValue = GetPropMinValue(parcelLayer, currentItem);
gradientTheme.MaxValue = GetPropMaxValue(parcelLayer, currentItem);
ParcelTheme = gradientTheme;
_dictColor = GetGradientDictColor(gradientTheme);
ShowLegend();
}
if (ParcelTheme != null) // mod 20120725
{
parcelLayer.ApplyColorTheme(ParcelTheme);
if (ParcelTheme is IDataColorTheme)
{
string prop = (ParcelTheme as IDataColorTheme).Property;
parcelLayer.ApplyToolTip(f => UIHelper.TitledToolTip(prop, f[prop]));
}
else if (ParcelTheme is ParcelUsageTheme)
{
parcelLayer.ApplyToolTip(f => UIHelper.TitledToolTip(f["用地代码"], ParcelColorCfg.GetUsageByCode(f["用地代码"])));
}
}
else
{
parcelLayer.ClearColorTheme();
parcelLayer.ApplyToolTip(f => null);
}
}
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);
}
}
}