fixed #38

1 files changed, 69 insertions, 0 deletions

diff --git a/src/eu/siacs/conversations/utils/KnownHostsAdapter.java b/src/eu/siacs/conversations/utils/KnownHostsAdapter.java
new file mode 100644
index 00000000..a0a223dd
--- /dev/null
+++ b/src/eu/siacs/conversations/utils/KnownHostsAdapter.java
@@ -0,0 +1,69 @@
+package eu.siacs.conversations.utils;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+
+import android.content.Context;
+import android.widget.ArrayAdapter;
+import android.widget.Filter;
+
+public class KnownHostsAdapter extends ArrayAdapter<String> {
+	private ArrayList<String> domains;
+	private Filter domainFilter = new Filter() {
+
+		@Override
+		protected FilterResults performFiltering(CharSequence constraint) {
+			if (constraint != null) {
+				ArrayList<String> suggestions = new ArrayList<String>();
+				final String[] split = constraint.toString().split("@");
+				if (split.length == 1) {
+					for (String domain : domains) {
+						suggestions.add(split[0].toLowerCase(Locale.getDefault()) + "@" + domain);
+					}
+				} else if (split.length == 2) {
+					for (String domain : domains) {
+						if (domain.contains(split[1])) {
+							suggestions.add(split[0].toLowerCase(Locale.getDefault()) + "@" + domain);
+						}
+					}
+				} else {
+					return new FilterResults();
+				}
+				FilterResults filterResults = new FilterResults();
+				filterResults.values = suggestions;
+				filterResults.count = suggestions.size();
+				return filterResults;
+			} else {
+				return new FilterResults();
+			}
+		}
+
+		@Override
+		protected void publishResults(CharSequence constraint,
+				FilterResults results) {
+			ArrayList<String> filteredList = ((ArrayList<String>) results.values);
+			if (results != null && results.count > 0) {
+				clear();
+				for (String c : filteredList) {
+					add(c);
+				}
+				notifyDataSetChanged();
+			}
+		}
+	};
+
+	public KnownHostsAdapter(Context context, int viewResourceId,
+			List<String> mKnownHosts) {
+		super(context, viewResourceId, mKnownHosts);
+		domains = new ArrayList<String>(mKnownHosts.size());
+		for (String domain : mKnownHosts) {
+			domains.add(new String(domain));
+		}
+	}
+
+	@Override
+	public Filter getFilter() {
+		return domainFilter;
+	}
+}
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