public virtual void GetDefaultSymbol(GeometryType geometryType, object userState)
{
if (geometryType == GeometryType.Unknown)
{
OnGetDefaultSymbolFailed(new ExceptionEventArgs(string.Format(Resources.Strings.ExceptionNoResourceDictionaryAvailableForGeometryType, geometryType), userState));
return;
}
IEnumerable <SymbolResourceDictionaryEntry> entries = GetSymbolResourceDictionaryEntries(geometryType);
if (entries == null || entries.Count() < 1)
{
OnGetDefaultSymbolFailed(new ExceptionEventArgs(string.Format(Resources.Strings.ExceptionNoResourceDictionaryAvailableForGeometryType, geometryType), userState));
return;
}
SymbolResourceDictionaryEntry entry = entries.ElementAt(0);
string resourceDictionaryContents = getResourceDictionaryContents(entry);
IEnumerable <SymbolDescription> symbols = GetSymbolDescriptionsForJsonSymbolSet(resourceDictionaryContents);
if (symbols == null || symbols.Count() < 1)
{
OnGetDefaultSymbolFailed(new ExceptionEventArgs(string.Format(Resources.Strings.ExceptionNoSymbolAvailableInResourceDictionary, entry.DisplayName), userState));
return;
}
OnGetDefaultSymbolCompleted(new GetDefaultSymbolCompletedEventArgs()
{
DefaultSymbol = symbols.ElementAt(0),
UserState = userState,
GeometryType = geometryType,
});
}
public string getResourceDictionaryContents(SymbolResourceDictionaryEntry resourceDictionary)
{
string resourceDictionaryXaml = null;
Assembly a = typeof(SymbolConfigProvider).Assembly;
try
{
string path = resourceDictionary.Path;
if (!string.IsNullOrEmpty(path))
{
using (Stream str = a.GetManifestResourceStream("ESRI.ArcGIS.Mapping.Core.Embedded." + path.Replace("/", ".")))
{
using (StreamReader rdr = new StreamReader(str))
{
resourceDictionaryXaml = rdr.ReadToEnd();
}
}
}
}
catch (Exception)
{
return(null);
}
return(resourceDictionaryXaml);
}
public virtual void GetSymbolsForResourceDictionaryAsync(SymbolResourceDictionaryEntry resourceDictionary, object userState)
{
string resourceDictionaryXaml = getResourceDictionaryContents(resourceDictionary);
if (string.IsNullOrEmpty(resourceDictionaryXaml))
{
OnGetSymbolsForResourceDictionaryFailed(new ExceptionEventArgs(Resources.Strings.ExceptionUnableToretrieveResourceDictionaryContents, userState));
return;
}
OnSymbolSetContentsLoaded(resourceDictionaryXaml, userState);
}
public override bool Equals(object obj)
{
SymbolResourceDictionaryEntry o1 = obj as SymbolResourceDictionaryEntry;
if (o1 != null)
{
return(o1.ID == ID &&
o1.GeometryType == GeometryType &&
o1.Path == Path &&
o1.DisplayName == DisplayName);
}
return(base.Equals(obj));
}
public override void GetSymbolsForResourceDictionaryAsync(SymbolResourceDictionaryEntry resourceDictionary, object userState)
{
if (!Uri.IsWellFormedUriString(resourceDictionary.Path, UriKind.RelativeOrAbsolute))
{
base.OnGetSymbolsForResourceDictionaryFailed(new ExceptionEventArgs(string.Format(Resources.Strings.ExceptionInvalidPathForresourceDictionary, resourceDictionary.Path), userState));
return;
}
getSymbolsForResourceDictionary(resourceDictionary, userState,
(o, e) =>
{
OnGetSymbolsForResourceDictionaryCompleted(e);
},
(o, e) =>
{
OnGetSymbolsForResourceDictionaryFailed(e);
});
}
protected IEnumerable <SymbolResourceDictionaryEntry> ParseResourceDictionaryEntriesFromXml(string symbolConfigXml)
{
List <SymbolResourceDictionaryEntry> dictEntries = new List <SymbolResourceDictionaryEntry>();
XDocument xDoc = XDocument.Parse(symbolConfigXml);
foreach (XElement elem in xDoc.Root.Elements("ResourceDictionary"))
{
SymbolResourceDictionaryEntry entry = new SymbolResourceDictionaryEntry()
{
DisplayName = elem.Element("DisplayName").Value,
GeometryType = (GeometryType)Enum.Parse(typeof(GeometryType), elem.Element("GeometryType").Value, true),
ID = elem.Element("ID").Value,
Path = elem.Element("Path").Value,
};
dictEntries.Add(entry);
}
return(dictEntries);
}
private void getSymbolsForResourceDictionary(SymbolResourceDictionaryEntry resourceDictionary, object userState,
EventHandler <GetSymbolsForResourceDictionaryCompletedEventArgs> onCompletedHandler, EventHandler <ExceptionEventArgs> onFailedHandler)
{
WebClient wc = new WebClient();
wc.DownloadStringCompleted += (o, e) =>
{
if (e.Error != null)
{
if (onFailedHandler != null)
{
onFailedHandler(this, new ExceptionEventArgs(e.Error, userState));
}
return;
}
try
{
IEnumerable <SymbolDescription> symbols = base.GetSymbolDescriptionsForJsonSymbolSet(e.Result);
if (onCompletedHandler != null)
{
onCompletedHandler(this, new GetSymbolsForResourceDictionaryCompletedEventArgs()
{
Symbols = symbols, UserState = userState
});
}
}
catch (Exception ex)
{
if (onFailedHandler != null)
{
onFailedHandler(this, new ExceptionEventArgs(ex, userState));
}
}
};
wc.DownloadStringAsync(new Uri(resourceDictionary.Path, UriKind.RelativeOrAbsolute), userState);
}
private void getSymbolsForResourceDictionary(SymbolResourceDictionaryEntry resourceDictionary, object userState,
EventHandler<GetSymbolsForResourceDictionaryCompletedEventArgs> onCompletedHandler, EventHandler<ExceptionEventArgs> onFailedHandler)
{
WebClient wc = new WebClient();
wc.DownloadStringCompleted += (o, e) =>
{
if (e.Error != null)
{
if (onFailedHandler != null)
onFailedHandler(this, new ExceptionEventArgs(e.Error, userState));
return;
}
try
{
IEnumerable<SymbolDescription> symbols = base.GetSymbolDescriptionsForJsonSymbolSet(e.Result);
if (onCompletedHandler != null)
onCompletedHandler(this, new GetSymbolsForResourceDictionaryCompletedEventArgs() { Symbols = symbols, UserState = userState });
}
catch (Exception ex)
{
if (onFailedHandler != null)
onFailedHandler(this, new ExceptionEventArgs(ex, userState));
}
};
wc.DownloadStringAsync(new Uri(resourceDictionary.Path, UriKind.RelativeOrAbsolute), userState);
}
private void onGetSymbolsForResourceDictionariesCompleted(GeometryType geometryType, SymbolResourceDictionaryEntry entry, GetSymbolsForResourceDictionaryCompletedEventArgs e2, object userState)
{
IEnumerable<SymbolDescription> symbols = e2.Symbols;
if (symbols == null || symbols.Count() < 1)
{
base.OnGetDefaultSymbolFailed(new ExceptionEventArgs(string.Format(Resources.Strings.ExceptionNoDefaultSymbolsFoundInDictionaryForGeometryType, entry.DisplayName, geometryType), userState));
return;
}
base.OnGetDefaultSymbolCompleted(new GetDefaultSymbolCompletedEventArgs() { DefaultSymbol = symbols.ElementAt(0), UserState = userState, GeometryType = geometryType });
}
public override void GetSymbolsForResourceDictionaryAsync(SymbolResourceDictionaryEntry resourceDictionary, object userState)
{
if (!Uri.IsWellFormedUriString(resourceDictionary.Path, UriKind.RelativeOrAbsolute))
{
base.OnGetSymbolsForResourceDictionaryFailed(new ExceptionEventArgs(string.Format(Resources.Strings.ExceptionInvalidPathForresourceDictionary, resourceDictionary.Path), userState));
return;
}
getSymbolsForResourceDictionary(resourceDictionary, userState,
(o, e) =>
{
OnGetSymbolsForResourceDictionaryCompleted(e);
},
(o, e) =>
{
OnGetSymbolsForResourceDictionaryFailed(e);
});
}
private void onGetSymbolsForResourceDictionariesCompleted(GeometryType geometryType, SymbolResourceDictionaryEntry entry, GetSymbolsForResourceDictionaryCompletedEventArgs e2, object userState)
{
IEnumerable <SymbolDescription> symbols = e2.Symbols;
if (symbols == null || symbols.Count() < 1)
{
base.OnGetDefaultSymbolFailed(new ExceptionEventArgs(string.Format(Resources.Strings.ExceptionNoDefaultSymbolsFoundInDictionaryForGeometryType, entry.DisplayName, geometryType), userState));
return;
}
base.OnGetDefaultSymbolCompleted(new GetDefaultSymbolCompletedEventArgs()
{
DefaultSymbol = symbols.ElementAt(0), UserState = userState, GeometryType = geometryType
});
}
public override void GetDefaultSymbol(GeometryType geometryType, object userState)
{
#region Validation
if (null == ConfigFileUrl)
{
base.OnGetDefaultSymbolFailed(new ExceptionEventArgs(Resources.Strings.ExceptionConfigFileUrlMustBeSpecified, userState));
return;
}
if (null == SymbolFolderParentUrl)
{
base.OnGetDefaultSymbolFailed(new ExceptionEventArgs(Resources.Strings.ExceptionSymbolFolderParentUrlMustBeSpecified, userState));
return;
}
#endregion
if (geometryType == GeometryType.Unknown)
{
base.GetDefaultSymbol(geometryType, userState);
return;
}
if (m_symbolResourceDictionaries == null)
{
getSymbolResourceDictionaryEntries(geometryType, userState, (o, e) =>
{
if (e.SymbolResourceDictionaries == null || e.SymbolResourceDictionaries.Count() < 1)
{
base.OnGetDefaultSymbolFailed(new ExceptionEventArgs(string.Format(Resources.Strings.ExceptionNoResourceDictionaryfoundForGeometryType, geometryType), userState));
return;
}
SymbolResourceDictionaryEntry entry = e.SymbolResourceDictionaries.ElementAt(0);
getSymbolsForResourceDictionary(entry, userState, (o2, e2) =>
{
onGetSymbolsForResourceDictionariesCompleted(geometryType, entry, e2, userState);
}, (o2, e2) =>
{
base.OnGetDefaultSymbolFailed(e2);
});
}, (o, e) =>
{
base.OnGetDefaultSymbolFailed(e);
});
}
else
{
// Find the one for the geometry type
SymbolResourceDictionaryEntry entry = m_symbolResourceDictionaries.FirstOrDefault <SymbolResourceDictionaryEntry>(
e => e.GeometryType == geometryType ||
(e.GeometryType == GeometryType.Point && geometryType == GeometryType.MultiPoint));
if (entry == null)
{
base.OnGetDefaultSymbolFailed(new ExceptionEventArgs(string.Format(Resources.Strings.ExceptionNoResourceDictionaryfoundForGeometryType, geometryType), userState));
return;
}
getSymbolsForResourceDictionary(entry, userState, (o2, e2) =>
{
onGetSymbolsForResourceDictionariesCompleted(geometryType, entry, e2, userState);
}, (o2, e2) =>
{
base.OnGetDefaultSymbolFailed(e2);
});
}
}
public string getResourceDictionaryContents(SymbolResourceDictionaryEntry resourceDictionary)
{
string resourceDictionaryXaml = null;
Assembly a = typeof(SymbolConfigProvider).Assembly;
try
{
string path = resourceDictionary.Path;
if (!string.IsNullOrEmpty(path))
{
using (Stream str = a.GetManifestResourceStream("ESRI.ArcGIS.Mapping.Core.Embedded." + path.Replace("/", ".")))
{
using (StreamReader rdr = new StreamReader(str))
{
resourceDictionaryXaml = rdr.ReadToEnd();
}
}
}
}
catch (Exception)
{
return null;
}
return resourceDictionaryXaml;
}
public virtual void GetSymbolsForResourceDictionaryAsync(SymbolResourceDictionaryEntry resourceDictionary, object userState)
{
string resourceDictionaryXaml = getResourceDictionaryContents(resourceDictionary);
if(string.IsNullOrEmpty(resourceDictionaryXaml))
{
OnGetSymbolsForResourceDictionaryFailed(new ExceptionEventArgs(Resources.Strings.ExceptionUnableToretrieveResourceDictionaryContents, userState));
return;
}
OnSymbolSetContentsLoaded(resourceDictionaryXaml, userState);
}
protected IEnumerable<SymbolResourceDictionaryEntry> ParseResourceDictionaryEntriesFromXml(string symbolConfigXml)
{
List<SymbolResourceDictionaryEntry> dictEntries = new List<SymbolResourceDictionaryEntry>();
XDocument xDoc = XDocument.Parse(symbolConfigXml);
foreach (XElement elem in xDoc.Root.Elements("ResourceDictionary"))
{
SymbolResourceDictionaryEntry entry = new SymbolResourceDictionaryEntry()
{
DisplayName = elem.Element("DisplayName").Value,
GeometryType = (GeometryType)Enum.Parse(typeof(GeometryType), elem.Element("GeometryType").Value, true),
ID = elem.Element("ID").Value,
Path = elem.Element("Path").Value,
};
dictEntries.Add(entry);
}
return dictEntries;
}
