private void AddSuggestionFromNode(IXmlNode node, SearchSuggestionCollection suggestions)
{
string text = "";
string description = "";
string url = "";
string imageUrl = "";
string imageAlt = "";
foreach (IXmlNode subNode in node.ChildNodes)
{
if (subNode.NodeType != NodeType.ElementNode)
{
continue;
}
if (subNode.NodeName.Equals("Text", StringComparison.CurrentCultureIgnoreCase))
{
text = subNode.InnerText;
}
else if (subNode.NodeName.Equals("Description", StringComparison.CurrentCultureIgnoreCase))
{
description = subNode.InnerText;
}
else if (subNode.NodeName.Equals("Url", StringComparison.CurrentCultureIgnoreCase))
{
url = subNode.InnerText;
}
else if (subNode.NodeName.Equals("Image", StringComparison.CurrentCultureIgnoreCase))
{
if (subNode.Attributes.GetNamedItem("source") != null)
{
imageUrl = subNode.Attributes.GetNamedItem("source").InnerText;
}
if (subNode.Attributes.GetNamedItem("alt") != null)
{
imageAlt = subNode.Attributes.GetNamedItem("alt").InnerText;
}
}
}
if (string.IsNullOrWhiteSpace(text))
{
// No proper suggestion item exists
}
else if (string.IsNullOrWhiteSpace(url))
{
suggestions.AppendQuerySuggestion(text);
}
else
{
// The following image should not be used in your application for Result Suggestions. Replace the image with one that is tailored to your content
Uri uri = string.IsNullOrWhiteSpace(imageUrl) ? new Uri("ms-appx:///Assets/SDK_ResultSuggestionImage.png") : new Uri(imageUrl);
RandomAccessStreamReference imageSource = RandomAccessStreamReference.CreateFromUri(uri);
suggestions.AppendResultSuggestion(text, description, url, imageSource, imageAlt);
Debug.WriteLine("\n Search Result ({0}): {1}", text, description);
}
}
public void Visit(SearchResultSuggestion suggestion)
{
_collection.AppendResultSuggestion(suggestion.Text, suggestion.DetailText, suggestion.Tag, suggestion.Image, suggestion.ImageAlternateText);
}
public static async Task PopulateSuggestionsAsync(string queryText, SearchSuggestionCollection results)
{
// if we don't have at least three characters to work with, do nothing...
if (queryText.Length < 3)
{
return;
}
// how many?
int maxSuggestions = 5;
// get the list...
var suggestions = await ReportItem.GetSearchSuggestionsAsync(queryText);
// sort the suggestions...
var titles = new List <string>();
foreach (var title in suggestions.Keys)
{
titles.Add(title);
}
titles.Sort();
// do we have one that we can use as a recommendation?
ReportItem recommendation = null;
foreach (var title in titles)
{
if (suggestions[title].Count == 1)
{
recommendation = suggestions[title][0];
break;
}
}
// if we have a recommendation only show three suggestions...
if (recommendation != null)
{
maxSuggestions -= 2;
}
// add the suggestions...
foreach (var title in titles)
{
results.AppendQuerySuggestion(title);
// enough?
if (results.Size == maxSuggestions)
{
break;
}
}
// add the recommendation...
if (recommendation != null)
{
// we need an image...
var viewItem = new ReportViewItem(recommendation);
var imageUri = await new ReportImageCacheManager().GetLocalImageUriAsync(viewItem);
// add the suggestion...
results.AppendSearchSeparator("Recommendation");
results.AppendResultSuggestion(recommendation.Title, recommendation.Description, recommendation.Id.ToString(),
RandomAccessStreamReference.CreateFromUri(new Uri(imageUri)), recommendation.Title);
}
}