private void BuildRelatedCategories(IOrderedEnumerable<RelationInfo> categories, GridPanel categoriesPanel, RelationInfo originCategory)
{
IEnumerable<RelationInfo> calculatedCategories = (from category in categories
where
(
(category.RelatedCategory.IndexOf(originCategory.Category) > -1))
select category);
foreach (RelationInfo calculatedCategory in calculatedCategories)
{
categoriesPanel.Controls.Add(GetSeparator());
categoriesPanel.Controls.Add(GetCategoryPanel(calculatedCategory));
BuildRelatedCategories(categories, categoriesPanel, calculatedCategory);
}
}
private static GridPanel GetCategoryPanel(RelationInfo link)
{
CategoryItem categoryItem = new CategoryItem(Client.ContentDatabase.GetItem(link.Category));
GridPanel categoryPanel = new GridPanel();
string categoryFullName = categoryItem.CategoryName;
string categoryName = categoryItem.DisplayName;
categoryPanel.Controls.Add(new Literal(string.Format("{0} ({1:F0}%)", categoryName, link.Weight))
{Class = "categoryName"});
categoryPanel.Controls.Add(
new Literal(string.Format("{0}",
categoryFullName.Substring(0, categoryFullName.Length - categoryName.Length - 1)))
{Class = "categoryPath"});
categoryPanel.Attributes["class"] = "categoryPanel";
return categoryPanel;
}
public static Dictionary<ID, RelationInfo> GetAllCategories([NotNull] Item item, [NotNull] string value)
{
Assert.ArgumentNotNull(item, "item");
Assert.ArgumentNotNull(value, "value");
Dictionary<ID, RelationInfo> result;
if (string.IsNullOrEmpty(value))
{
result = GetRecommendedCategories(item).ToDictionary(
pair => pair.Key, pair => new RelationInfo
{
Category = pair.Key,
RelatedCategory = new List<ID> { ID.Null },
Calculated = true,
Weight = Convert.ToSingle(item.Database.GetItem(pair.Value)["Weight"]),
ConflictCategory = GetConflictIDs(item.Database.GetItem(pair.Value)["ConflictTags"]).ToList()
});
}
else
{
result = ClassificationField.Parse(value).ToDictionary(
pair => pair.Key,
pair =>
{
return new RelationInfo
{
Category = pair.Key,
RelatedCategory = new List<ID> { ID.Null },
Calculated = false,
Weight = Convert.ToSingle(item.Database.GetItem(pair.Value)["Weight"]),
ConflictCategory = GetConflictIDs(item.Database.GetItem(pair.Value)["ConflictTags"]).ToList()
};
});
}
var queue = new Queue<RelationInfo>(result.Values);
while (queue.Count > 0)
{
RelationInfo info = queue.Dequeue();
var innerItem = item.Database.GetItem(info.Category);
if (innerItem == null)
{
continue;
}
var category = new CategoryItem(innerItem);
var parentCategory = category.Parent;
if (parentCategory == null)
{
continue;
}
RelationInfo parentInfo;
if (result.TryGetValue(parentCategory.ID, out parentInfo))
{
int entry = parentInfo.RelatedCategory.Count;
float nWeight = (float)Math.Sqrt(parentCategory.RelatedWithChildren * category.RelatedToParent) *
info.Weight;
parentInfo.Weight = (float)Math.Pow(parentInfo.Weight, entry);
parentInfo.Weight = (float)Math.Pow(parentInfo.Weight * nWeight, 1.0 / (entry + 1));
parentInfo.RelatedCategory.Add(category.ID);
}
else
{
parentInfo = new RelationInfo
{
Category = parentCategory.ID,
RelatedCategory = new List<ID>{category.ID},
Calculated = true,
Weight =
(float) Math.Sqrt(parentCategory.RelatedWithChildren*category.RelatedToParent)*info.Weight
};
result[parentInfo.Category] = parentInfo;
}
queue.Enqueue(parentInfo);
}
return result;
}
public static Dictionary <ID, RelationInfo> GetAllCategories([NotNull] Item item, [NotNull] string value)
{
Assert.ArgumentNotNull(item, "item");
Assert.ArgumentNotNull(value, "value");
Dictionary <ID, RelationInfo> result;
if (string.IsNullOrEmpty(value))
{
result = GetRecommendedCategories(item).ToDictionary(
pair => pair.Key, pair => new RelationInfo
{
Category = pair.Key,
RelatedCategory = new List <ID> {
ID.Null
},
Calculated = true,
Weight = Convert.ToSingle(item.Database.GetItem(pair.Value)["Weight"]),
ConflictCategory = GetConflictIDs(item.Database.GetItem(pair.Value)["ConflictTags"]).ToList()
});
}
else
{
result = ClassificationField.Parse(value).ToDictionary(
pair => pair.Key,
pair =>
{
return(new RelationInfo
{
Category = pair.Key,
RelatedCategory = new List <ID> {
ID.Null
},
Calculated = false,
Weight = Convert.ToSingle(item.Database.GetItem(pair.Value)["Weight"]),
ConflictCategory = GetConflictIDs(item.Database.GetItem(pair.Value)["ConflictTags"]).ToList()
});
});
}
var queue = new Queue <RelationInfo>(result.Values);
while (queue.Count > 0)
{
RelationInfo info = queue.Dequeue();
var innerItem = item.Database.GetItem(info.Category);
if (innerItem == null)
{
continue;
}
var category = new CategoryItem(innerItem);
var parentCategory = category.Parent;
if (parentCategory == null)
{
continue;
}
RelationInfo parentInfo;
if (result.TryGetValue(parentCategory.ID, out parentInfo))
{
int entry = parentInfo.RelatedCategory.Count;
float nWeight = (float)Math.Sqrt(parentCategory.RelatedWithChildren * category.RelatedToParent) *
info.Weight;
parentInfo.Weight = (float)Math.Pow(parentInfo.Weight, entry);
parentInfo.Weight = (float)Math.Pow(parentInfo.Weight * nWeight, 1.0 / (entry + 1));
parentInfo.RelatedCategory.Add(category.ID);
}
else
{
parentInfo = new RelationInfo
{
Category = parentCategory.ID,
RelatedCategory = new List <ID> {
category.ID
},
Calculated = true,
Weight =
(float)Math.Sqrt(parentCategory.RelatedWithChildren * category.RelatedToParent) * info.Weight
};
result[parentInfo.Category] = parentInfo;
}
queue.Enqueue(parentInfo);
}
return(result);
}
