private void TwitterRequest_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
{
if (e.Error != null)
{
MessageBox.Show(e.Error.Message);
}
else
{
this.FeatureSets.Remove(twitterSet);
TwitterResult twResult = TwitterResult.Deserialize(e.Result);
twitterSet = new GeoFeatureCollection("title,photoUrl,authorUri,content", "Title,Photo,Author,Content", "title", "Tweets");
if (twResult != null)
{
foreach (TweetItem item in twResult.items)
{
Graphic graphic = new Graphic();
graphic.Geometry = (new MapPoint(item.geoLocation.x, item.geoLocation.y, new SpatialReference(4326))).GeographicToWebMercator();
graphic.Attributes.Add("title", item.author.authorName);
graphic.Attributes.Add("photoUrl", item.authorLinks[1].linkUrl);
graphic.Attributes.Add("authorUri", item.author.authorUri);
graphic.Attributes.Add("content", item.content);
graphic.Symbol = twitterSymbol;
graphic.MapTip = twitterTipTemplate;
graphicsLayer.Graphics.Add(graphic);
twitterSet.Add(graphic);
}
this.FeatureSets.Add(twitterSet);
this.ToggleWidgetContent(1);
}
}
this.IsBusy = false;
}
private void FlickrRequest_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
{
if (e.Error != null)
{
MessageBox.Show(e.Error.Message);
}
else
{
this.FeatureSets.Remove(flickrsSet);
FlickrResult frResult = FlickrResult.Deserialize(e.Result);
flickrsSet = new GeoFeatureCollection("title,photoUrl,ownerName,dateTaken", "Title,Photo,Owner,Date", "title", "Flickr");
if (frResult != null && frResult.photoPage != null && frResult.photoPage.photos != null)
{
foreach (FlickrPhoto item in frResult.photoPage.photos)
{
Graphic graphic = new Graphic();
graphic.Geometry = (new MapPoint(item.longitude, item.latitude, new SpatialReference(4326))).GeographicToWebMercator();
graphic.Attributes.Add("title", item.title);
graphic.Attributes.Add("photoUrl", item.photoUrl);
graphic.Attributes.Add("ownerName", item.ownerName);
graphic.Attributes.Add("dateTaken", item.dateTaken);
graphic.Symbol = flickrSymbol;
graphic.MapTip = flickrTipTemplate;
graphicsLayer.Graphics.Add(graphic);
flickrsSet.Add(graphic);
}
this.FeatureSets.Add(flickrsSet);
this.ToggleWidgetContent(1);
}
}
this.IsBusy = false;
}
private void Query_ResultReady(object sender, QueryResultEventArgs args)
{
this.ClearGraphics(2); // Toggle to Results Panel
if (args.Results != null && args.Results.Features.Count > 0)
{
isFirstLoad = true; // Suppress filter results by map extent or pan map
QueryResultMessage.Visibility = Visibility.Collapsed;
FeatureSet fset = args.Results;
Symbol symbol = ChooseSymbol(fset.GeometryType.ToString(), false);
GeoFeatureCollection dataset = new GeoFeatureCollection(args.QueryLayer.OutputFields, args.QueryLayer.OutputLabels, fset.DisplayFieldName, args.QueryLayer.Title);
foreach (Graphic feature in fset.Features)
{
feature.Symbol = symbol;
feature.Geometry.SpatialReference = fset.SpatialReference;
this.GraphicsLayer.Graphics.Add(feature);
dataset.Add(feature);
}
this.FeatureSets.Add(dataset);
this.GraphicsTipTemplate = args.QueryLayer.MapTipTemplate;
this.MapControl.ZoomTo(GeometryTool.ExpandGeometryExtent(this.GraphicsLayer.FullExtent, 0.25));
}
else
{
QueryResultMessage.Visibility = Visibility.Visible;
QueryResultMessage.Text = string.Format("Sorry! {0}", (string.IsNullOrEmpty(args.ErrorMsg)) ? "No features are found." : args.ErrorMsg);
}
this.IsBusy = false;
}
private void YouTubeRequest_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
{
if (e.Error != null)
{
MessageBox.Show(e.Error.Message);
}
else
{
this.FeatureSets.Remove(youtubeSet);
YouTubeResult ytResult = YouTubeResult.Deserialize(e.Result);
youtubeSet = new GeoFeatureCollection("title,thumbnail,description,publishDate,playerUrl", "Title,Thumbnail,Description,Publish Date,Player Url", "title", "YouTube");
if (ytResult != null)
{
foreach (YouTubeItem ytItem in ytResult.items)
{
Graphic graphic = new Graphic();
graphic.Geometry = (new MapPoint(ytResult.items[0].geometry.rssPoint.x, ytResult.items[0].geometry.rssPoint.y, new SpatialReference(4326))).GeographicToWebMercator();
graphic.MouseLeftButtonDown += new MouseButtonEventHandler(YouTube_MouseLeftButtonDown);
graphic.Attributes.Add("title", ytItem.media.title);
graphic.Attributes.Add("thumbnail", ytItem.media.thumbnail[1].url); //hddefault.jpg (480 x 360)
graphic.Attributes.Add("aspectRatio", ytItem.media.aspectRatio);
graphic.Attributes.Add("description", ytItem.media.description);
graphic.Attributes.Add("publishDate", ytItem.media.publishDate);
graphic.Attributes.Add("contentUrl", ytItem.media.content[0].source);
graphic.Attributes.Add("playerUrl", "http://www.youtube.com/watch?v=" + ytItem.media.videoID);
graphic.Symbol = youtubeSymbol;
graphic.MapTip = youtubeTipTemplate;
graphicsLayer.Graphics.Add(graphic);
youtubeSet.Add(graphic);
}
this.FeatureSets.Add(youtubeSet);
this.ToggleWidgetContent(1);
}
}
this.IsBusy = false;
}
private void AddGeoRSSGraphics(List <GeoRSSItem> rssItems)
{
if (this.GraphicsLayer == null)
{
MessageBox.Show("GraphicsLayer for this widget is not created. Please set property HasGraphics 'true'."); return;
}
GeoFeatureCollection dataset = new GeoFeatureCollection("Title", "GeoRSS");
foreach (GeoRSSItem rssItem in rssItems)
{
Graphic graphic = new Graphic();
graphic.Geometry = rssItem.Geometry;
graphic.Symbol = ChooseSymbol(rssItem.Geometry);
graphic.Attributes.Add("Title", rssItem.Title);
graphic.Attributes.Add("Description", rssItem.Description);
graphic.Attributes.Add("PubDate", rssItem.pubDate);
graphic.Attributes.Add("Link", rssItem.Link);
this.GraphicsLayer.Graphics.Add(graphic);
dataset.Add(graphic);
}
this.FeatureSets.Add(dataset); // Make it available for the Print Widget
}
private void IdentifyTask_ExecuteCompleted(object sender, IdentifyEventArgs e)
{
string mapName = (string)e.UserState;
string preName = "^?^";
GeoFeatureCollection features = null;
foreach (IdentifyResult result in e.IdentifyResults)
{
if (result.LayerName != preName)
{
if (features != null)
{
this.FeatureSets.Add(features);
}
AddToGraphicsLayer(result.Feature, (string)result.Value, result.DisplayFieldName, result.LayerName);
features = new GeoFeatureCollection(result.DisplayFieldName, result.LayerName, mapName);
features.Add(result.Feature);
preName = result.LayerName;
}
else if (features != null)
{
AddToGraphicsLayer(result.Feature, (string)result.Value, result.DisplayFieldName, result.LayerName);
features.Add(result.Feature);
}
}
// Add the last layer results
if (features != null)
{
this.FeatureSets.Add(features);
}
this.IsBusy = false;
}