/// <summary>
/// Create a collection of clusters that should be presented to the user
/// </summary>
/// <param name="strategy"></param>
/// <param name="listView"></param>
/// <param name="column"></param>
/// <returns></returns>
virtual protected List <ICluster> Cluster(IClusteringStrategy strategy, ObjectListView listView, OLVColumn column)
{
// Build a map that correlates cluster key to clusters
NullableDictionary <object, ICluster> map = new NullableDictionary <object, ICluster>();
int count = 0;
//++Added by KhoiVV
if (listView.Objects == null)
{
return(new List <ICluster>(map.Values));
}
//--Added by KhoiVV
foreach (object model in listView.ObjectsForClustering)
{
this.ClusterOneModel(strategy, map, model);
if (count++ > this.MaxObjectsToConsider)
{
break;
}
}
// Now that we know exactly how many items are in each cluster, create a label for it
foreach (ICluster cluster in map.Values)
{
cluster.DisplayLabel = strategy.GetClusterDisplayLabel(cluster);
}
return(new List <ICluster>(map.Values));
}
/// <summary>
/// Create a collection of clusters that should be presented to the user
/// </summary>
/// <param name="strategy"></param>
/// <param name="listView"></param>
/// <param name="column"></param>
/// <returns></returns>
protected virtual List<ICluster> Cluster(IClusteringStrategy strategy, ObjectListView listView, OLVColumn column)
{
// Build a map that correlates cluster key to clusters
var map = new NullableDictionary<object, ICluster>();
int count = 0;
foreach (object model in listView.Objects)
{
object key = strategy.GetClusterKey(model);
if (key == DBNull.Value)
key = null;
if (key == null && !TreatNullAsDataValue)
continue;
if (map.ContainsKey(key))
map[key].Count += 1;
else
map[key] = strategy.CreateCluster(key);
// Check our limit
count += 1;
if (count > MaxObjectsToConsider)
break;
}
// Now that we know exactly how many items are in each cluster, create a label for it
foreach (ICluster cluster in map.Values)
cluster.DisplayLabel = strategy.GetClusterDisplayLabel(cluster);
return new List<ICluster>(map.Values);
}
/// <summary>
/// Create a collection of clusters that should be presented to the user
/// </summary>
/// <param name="strategy"></param>
/// <param name="listView"></param>
/// <param name="column"></param>
/// <returns></returns>
virtual protected List <ICluster> Cluster(IClusteringStrategy strategy, ObjectListView listView, OLVColumn column)
{
// Build a map that correlates cluster key to clusters
NullableDictionary <object, ICluster> map = new NullableDictionary <object, ICluster>();
int count = 0;
foreach (object model in listView.Objects)
{
object key = strategy.GetClusterKey(null, model);
if (key == System.DBNull.Value)
{
key = null;
}
if (key == null && !this.TreatNullAsDataValue)
{
continue;
}
if (map.ContainsKey(key))
{
map[key].Count += 1;
}
else
{
map[key] = strategy.CreateCluster(key);
}
// Check our limit
count += 1;
if (count > this.MaxObjectsToConsider)
{
break;
}
}
// Now that we know exactly how many items are in each cluster, create a label for it
foreach (ICluster cluster in map.Values)
{
cluster.DisplayLabel = strategy.GetClusterDisplayLabel(cluster);
}
return(new List <ICluster>(map.Values));
}
/// <summary>
/// Create a collection of clusters that should be presented to the user
/// </summary>
/// <param name="strategy"></param>
/// <param name="listView"></param>
/// <param name="column"></param>
/// <returns></returns>
virtual protected List<ICluster> Cluster(IClusteringStrategy strategy, ObjectListView listView, OLVColumn column) {
// Build a map that correlates cluster key to clusters
NullableDictionary<object, ICluster> map = new NullableDictionary<object, ICluster>();
int count = 0;
foreach (object model in listView.ObjectsForClustering) {
this.ClusterOneModel(strategy, map, model);
if (count++ > this.MaxObjectsToConsider)
break;
}
// Now that we know exactly how many items are in each cluster, create a label for it
foreach (ICluster cluster in map.Values)
cluster.DisplayLabel = strategy.GetClusterDisplayLabel(cluster);
return new List<ICluster>(map.Values);
}
/// <summary>
/// Create a collection of clusters that should be presented to the user
/// </summary>
/// <param name="strategy"></param>
/// <param name="listView"></param>
/// <param name="column"></param>
/// <returns></returns>
virtual protected List<ICluster> Cluster(IClusteringStrategy strategy, ObjectListView listView, OLVColumn column) {
// Build a map that correlates cluster key to clusters
NullableDictionary<object, ICluster> map = new NullableDictionary<object, ICluster>();
int count = 0;
foreach (object model in listView.Objects) {
object key = strategy.GetClusterKey(model);
if (key == System.DBNull.Value)
key = null;
if (key == null && !this.TreatNullAsDataValue)
continue;
if (map.ContainsKey(key))
map[key].Count += 1;
else
map[key] = strategy.CreateCluster(key);
// Check our limit
count += 1;
if (count > this.MaxObjectsToConsider)
break;
}
// Now that we know exactly how many items are in each cluster, create a label for it
foreach (ICluster cluster in map.Values)
cluster.DisplayLabel = strategy.GetClusterDisplayLabel(cluster);
return new List<ICluster>(map.Values);
}