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Allow unknown UriFormats to support derived TileSources.

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ClemensF 2013-01-28 23:49:22 +01:00
parent fab8530770
commit 23bd98ef22
1 changed files with 35 additions and 33 deletions
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68
MapControl/TileSource.cs
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@ -41,45 +41,47 @@ namespace MapControl
throw new ArgumentException("The value of the UriFormat property must not be null or empty or white-space only."); throw new ArgumentException("The value of the UriFormat property must not be null or empty or white-space only.");
} }
if (value.Contains("{x}") && value.Contains("{y}") && value.Contains("{z}"))
{
if (value.Contains("{c}"))
{
getUri = GetOpenStreetMapUri;
}
else if (value.Contains("{i}"))
{
getUri = GetGoogleMapsUri;
}
else if (value.Contains("{n}"))
{
getUri = GetMapQuestUri;
}
else
{
getUri = GetDefaultUri;
}
}
else if (value.Contains("{q}")) // {i} is optional
{
getUri = GetQuadKeyUri;
}
else if (value.Contains("{w}") && value.Contains("{s}") && value.Contains("{e}") && value.Contains("{n}"))
{
getUri = GetBoundingBoxUri;
}
else
{
throw new ArgumentException("The specified UriFormat is not supported.");
}
uriFormat = value; uriFormat = value;
} }
} }
public virtual Uri GetUri(int x, int y, int zoomLevel) public virtual Uri GetUri(int x, int y, int zoomLevel)
{ {
return getUri != null ? getUri(x, y, zoomLevel) : null; if (getUri == null)
{
SelectGetUriMethod();
}
return getUri(x, y, zoomLevel);
}
private void SelectGetUriMethod()
{
getUri = GetDefaultUri;
if (uriFormat.Contains("{x}") && uriFormat.Contains("{y}") && uriFormat.Contains("{z}"))
{
if (uriFormat.Contains("{c}"))
{
getUri = GetOpenStreetMapUri;
}
else if (uriFormat.Contains("{i}"))
{
getUri = GetGoogleMapsUri;
}
else if (uriFormat.Contains("{n}"))
{
getUri = GetMapQuestUri;
}
}
else if (uriFormat.Contains("{q}")) // {i} is optional
{
getUri = GetQuadKeyUri;
}
else if (uriFormat.Contains("{w}") && uriFormat.Contains("{s}") && uriFormat.Contains("{e}") && uriFormat.Contains("{n}"))
{
getUri = GetBoundingBoxUri;
}
} }
private Uri GetDefaultUri(int x, int y, int zoomLevel) private Uri GetDefaultUri(int x, int y, int zoomLevel)