internal IEnumerable <LinearGradientBrush> getColorRampBrushes(ColorRampType colorRampType)
{
IEnumerable <LinearGradientBrush> brushes = null;
switch (colorRampType)
{
case ColorRampType.HeatMap:
brushes = m_heatMapGradientBrushes;
break;
case ColorRampType.ClassBreaks:
case ColorRampType.UniqueValue:
default:
brushes = m_linearGradientBrushes;
break;
}
if (brushes == null)
{
brushes = getLinearGradientBrushes(getColorRampResourceName(colorRampType));
switch (colorRampType)
{
case ColorRampType.HeatMap:
m_heatMapGradientBrushes = brushes;
break;
case ColorRampType.ClassBreaks:
case ColorRampType.UniqueValue:
default:
m_linearGradientBrushes = brushes;
break;
}
}
return(brushes);
}
public void AddDefaultGradientBrush(ColorRampType colorRamp, LinearGradientBrush brush)
{
if (!DefaultGradientBrushes.ContainsKey(colorRamp))
{
DefaultGradientBrushes.Add(colorRamp, brush);
}
}
public virtual void GetColorGradientBrushesAsync(object userState, ColorRampType colorRampType)
{
IEnumerable <LinearGradientBrush> brushes = getColorRampBrushes(colorRampType);
if (brushes == null)
{
OnGetColorGradientBrushesFailed(new ExceptionEventArgs(Resources.Strings.ExceptionUnableToRetrieveLinearGradientBrushes, userState));
return;
}
OnGetColorGradientBrushesCompleted(new GetColorGradientBrushesCompletedEventArgs()
{
ColorBrushes = brushes, UserState = userState
});
}
string getColorRampResourceName(ColorRampType colorRampType)
{
string resourceName = null;;
switch (colorRampType)
{
case ColorRampType.HeatMap:
resourceName = "ESRI.ArcGIS.Mapping.Core.Embedded.HeatMapBrushes.xaml";
break;
case ColorRampType.ClassBreaks:
case ColorRampType.UniqueValue:
default:
resourceName = "ESRI.ArcGIS.Mapping.Core.Embedded.ThematicMapBrushes.xaml";
break;
}
return(resourceName);
}
public override void GetDefaultLinearGradientBrush(object userState, ColorRampType colorRampType)
{
getColorGradientBrushes(colorRampType, userState, (o, e) =>
{
LinearGradientBrush brush = (e.ColorBrushes != null) ? e.ColorBrushes.ElementAtOrDefault(0) : null;
if (brush == null)
{
base.OnGetDefaultSymbolFailed(new ExceptionEventArgs(Resources.Strings.ExceptionNoBrushesFound, userState));
return;
}
base.OnGetDefaultLinearGradientBrushCompleted(new GetDefaultLinearGradientBrushEventArgs()
{
DefaultBrush = brush, UserState = userState
});
}, (o, e) =>
{
base.OnGetDefaultSymbolFailed(e);
});
}
public override void GetColorGradientBrushesAsync(object userState, ColorRampType colorRampType)
{
getColorGradientBrushes(colorRampType, userState, (o, e) =>
{
switch (colorRampType)
{
case ColorRampType.HeatMap:
m_heatMapLinearGradientBrushes = e.ColorBrushes;
break;
case ColorRampType.ClassBreaks:
case ColorRampType.UniqueValue:
default:
m_defaultLinearGradientBrushes = e.ColorBrushes;
break;
}
base.OnGetColorGradientBrushesCompleted(e);
}, (o, e) =>
{
base.OnGetColorGradientBrushesFailed(e);
});
}
public virtual void GetDefaultLinearGradientBrush(object userState, ColorRampType colorRampType)
{
IEnumerable <LinearGradientBrush> brushes = getColorRampBrushes(colorRampType);
if (brushes == null || brushes.Count() < 1)
{
OnGetDefaultLinearGradientBrushFailed(new ExceptionEventArgs(Resources.Strings.ExceptionUnableToRetrieveLinearGradientBrushes, userState));
return;
}
LinearGradientBrush brush = brushes.ElementAtOrDefault(0);
if (brush == null)
{
OnGetDefaultLinearGradientBrushFailed(new ExceptionEventArgs(Resources.Strings.ExceptionUnableToretrievedefaultLinearGradientBrushes, userState));
return;
}
OnGetDefaultLinearGradientBrushCompleted(new GetDefaultLinearGradientBrushEventArgs()
{
DefaultBrush = brush,
UserState = userState,
});
}
private void getColorGradientBrushes(ColorRampType colorRampType, object userState, EventHandler<GetColorGradientBrushesCompletedEventArgs> onCompleted, EventHandler<ExceptionEventArgs> onFailed)
{
string location = ClassBreaksColorGradientsConfigFileUrl;
if (colorRampType == ColorRampType.HeatMap)
location = HeatMapColorGradientsConfigFileUrl;
if (null == location)
{
IEnumerable<LinearGradientBrush> brushes = base.getColorRampBrushes(colorRampType);
if (onCompleted != null)
{
onCompleted(this, new GetColorGradientBrushesCompletedEventArgs()
{
ColorBrushes = brushes,
UserState = userState,
});
}
return;
}
else
{
WebClient wc = new WebClient();
wc.DownloadStringCompleted += (o, e) =>
{
if (e.Error != null)
{
if (onFailed != null)
onFailed(this, new ExceptionEventArgs(e.Error, e.UserState));
return;
}
if (string.IsNullOrEmpty(e.Result))
{
if (onFailed != null)
onFailed(this, new ExceptionEventArgs(Resources.Strings.ExceptionConfigurationFileEmpty, e.UserState));
return;
}
IEnumerable<LinearGradientBrush> brushes = null;
try
{
brushes = GetGradientBrushesFromXaml(e.Result);
}
catch (Exception ex)
{
if (onFailed != null)
onFailed(this, new ExceptionEventArgs(ex, e.UserState));
return;
}
if (onCompleted != null)
{
onCompleted(this, new GetColorGradientBrushesCompletedEventArgs()
{
ColorBrushes = brushes,
UserState = e.UserState,
});
}
};
wc.DownloadStringAsync(new Uri(location, UriKind.Absolute), userState);
}
}
public override void GetDefaultLinearGradientBrush(object userState, ColorRampType colorRampType)
{
getColorGradientBrushes(colorRampType, userState, (o, e) =>
{
LinearGradientBrush brush = (e.ColorBrushes != null) ? e.ColorBrushes.ElementAtOrDefault(0) : null;
if (brush == null)
{
base.OnGetDefaultSymbolFailed(new ExceptionEventArgs(Resources.Strings.ExceptionNoBrushesFound, userState));
return;
}
base.OnGetDefaultLinearGradientBrushCompleted(new GetDefaultLinearGradientBrushEventArgs() { DefaultBrush = brush, UserState = userState });
}, (o, e) =>
{
base.OnGetDefaultSymbolFailed(e);
});
}
public override void GetColorGradientBrushesAsync(object userState, ColorRampType colorRampType)
{
getColorGradientBrushes(colorRampType, userState, (o, e) =>
{
switch (colorRampType)
{
case ColorRampType.HeatMap:
m_heatMapLinearGradientBrushes = e.ColorBrushes;
break;
case ColorRampType.ClassBreaks:
case ColorRampType.UniqueValue:
default:
m_defaultLinearGradientBrushes = e.ColorBrushes;
break;
}
base.OnGetColorGradientBrushesCompleted(e);
}, (o, e) =>
{
base.OnGetColorGradientBrushesFailed(e);
});
}
private void getColorGradientBrushes(ColorRampType colorRampType, object userState, EventHandler <GetColorGradientBrushesCompletedEventArgs> onCompleted, EventHandler <ExceptionEventArgs> onFailed)
{
string location = ClassBreaksColorGradientsConfigFileUrl;
if (colorRampType == ColorRampType.HeatMap)
{
location = HeatMapColorGradientsConfigFileUrl;
}
if (null == location)
{
IEnumerable <LinearGradientBrush> brushes = base.getColorRampBrushes(colorRampType);
if (onCompleted != null)
{
onCompleted(this, new GetColorGradientBrushesCompletedEventArgs()
{
ColorBrushes = brushes,
UserState = userState,
});
}
return;
}
else
{
WebClient wc = new WebClient();
wc.DownloadStringCompleted += (o, e) =>
{
if (e.Error != null)
{
if (onFailed != null)
{
onFailed(this, new ExceptionEventArgs(e.Error, e.UserState));
}
return;
}
if (string.IsNullOrEmpty(e.Result))
{
if (onFailed != null)
{
onFailed(this, new ExceptionEventArgs(Resources.Strings.ExceptionConfigurationFileEmpty, e.UserState));
}
return;
}
IEnumerable <LinearGradientBrush> brushes = null;
try
{
brushes = GetGradientBrushesFromXaml(e.Result);
}
catch (Exception ex)
{
if (onFailed != null)
{
onFailed(this, new ExceptionEventArgs(ex, e.UserState));
}
return;
}
if (onCompleted != null)
{
onCompleted(this, new GetColorGradientBrushesCompletedEventArgs()
{
ColorBrushes = brushes,
UserState = e.UserState,
});
}
};
wc.DownloadStringAsync(new Uri(location, UriKind.Absolute), userState);
}
}
public virtual void GetDefaultLinearGradientBrush(object userState, ColorRampType colorRampType)
{
IEnumerable<LinearGradientBrush> brushes = getColorRampBrushes(colorRampType);
if (brushes == null || brushes.Count() < 1)
{
OnGetDefaultLinearGradientBrushFailed(new ExceptionEventArgs(Resources.Strings.ExceptionUnableToRetrieveLinearGradientBrushes, userState));
return;
}
LinearGradientBrush brush = brushes.ElementAtOrDefault(0);
if (brush == null)
{
OnGetDefaultLinearGradientBrushFailed(new ExceptionEventArgs(Resources.Strings.ExceptionUnableToretrievedefaultLinearGradientBrushes, userState));
return;
}
OnGetDefaultLinearGradientBrushCompleted(new GetDefaultLinearGradientBrushEventArgs()
{
DefaultBrush = brush,
UserState = userState,
});
}
internal IEnumerable<LinearGradientBrush> getColorRampBrushes(ColorRampType colorRampType)
{
IEnumerable<LinearGradientBrush> brushes = null;
switch (colorRampType)
{
case ColorRampType.HeatMap:
brushes = m_heatMapGradientBrushes;
break;
case ColorRampType.ClassBreaks:
case ColorRampType.UniqueValue:
default:
brushes = m_linearGradientBrushes;
break;
}
if (brushes == null)
{
brushes = getLinearGradientBrushes(getColorRampResourceName(colorRampType));
switch (colorRampType)
{
case ColorRampType.HeatMap:
m_heatMapGradientBrushes = brushes;
break;
case ColorRampType.ClassBreaks:
case ColorRampType.UniqueValue:
default:
m_linearGradientBrushes = brushes;
break;
}
}
return brushes;
}
string getColorRampResourceName(ColorRampType colorRampType)
{
string resourceName = null;;
switch (colorRampType)
{
case ColorRampType.HeatMap:
resourceName = "ESRI.ArcGIS.Mapping.Core.Embedded.HeatMapBrushes.xaml";
break;
case ColorRampType.ClassBreaks:
case ColorRampType.UniqueValue:
default:
resourceName = "ESRI.ArcGIS.Mapping.Core.Embedded.ThematicMapBrushes.xaml";
break;
}
return resourceName;
}
public virtual void GetColorGradientBrushesAsync(object userState, ColorRampType colorRampType)
{
IEnumerable<LinearGradientBrush> brushes = getColorRampBrushes(colorRampType);
if (brushes == null)
{
OnGetColorGradientBrushesFailed(new ExceptionEventArgs(Resources.Strings.ExceptionUnableToRetrieveLinearGradientBrushes, userState));
return;
}
OnGetColorGradientBrushesCompleted(new GetColorGradientBrushesCompletedEventArgs() { ColorBrushes = brushes, UserState = userState });
}
public void AddDefaultGradientBrush(ColorRampType colorRamp, LinearGradientBrush brush)
{
if (!DefaultGradientBrushes.ContainsKey(colorRamp))
DefaultGradientBrushes.Add(colorRamp, brush);
}
