protected void AddCategoryClick(object sender, EventArgs e)
{
string categoryName = popAddCategory.Value;
string categoryId = popAddCategory.ReferrerId;
string categoryTypeName = string.Empty;
// Need to figure out if this is a comms block category or a doco block category.
if (!string.IsNullOrEmpty(categoryId))
{
BusiBlocks.CommsBlock.News.Category news = null;
try
{
news = NewsManager.GetCategory(categoryId);
categoryTypeName = news.GetType().Name;
}
catch (NewsCategoryNotFoundException) { }
if (news != null)
{
BusiBlocks.CommsBlock.News.Category childCategory = NewsManager.CreateCategory(categoryName);
childCategory.ParentCategory = news;
NewsManager.UpdateCategory(childCategory);
this.PopulateTreeView <BusiBlocks.CommsBlock.News.Category>(NewsManager.GetAllCategories(), true, false, string.Empty);
}
else
{
BusiBlocks.DocoBlock.Category doco = null;
try
{
doco = DocoManager.GetCategory(categoryId);
categoryTypeName = doco.GetType().Name;
}
catch (DocoCategoryNotFoundException) { }
if (doco != null)
{
BusiBlocks.DocoBlock.Category childDocoCategory = DocoManager.CreateCategory(categoryName);
childDocoCategory.ParentCategory = doco;
DocoManager.UpdateCategory(childDocoCategory);
this.PopulateTreeView <BusiBlocks.DocoBlock.Category>(DocoManager.GetAllCategories(), true, false, string.Empty);
}
}
RadTreeView1.DataBind();
RadTreeView1.FindNodeByText(categoryName).ExpandParentNodes();
RadTreeView1.FindNodeByText(categoryName).Selected = true;
((IFeedback)this.Page.Master).ShowFeedback(
BusiBlocksConstants.Blocks.Administration.LongName,
categoryTypeName,
Feedback.Actions.Created,
categoryName
);
}
}
protected void DeleteCategoryClick(object sender, EventArgs e)
{
string categoryName = string.Empty;
string categoryId = popDeleteCategory.ReferrerId;
string categoryTypeName = string.Empty;
string parentCategoryName = string.Empty;
bool deleteFailure = false;
// Need to figure out if this is a comms block category or a doco block category.
if (!string.IsNullOrEmpty(categoryId))
{
BusiBlocks.CommsBlock.News.Category news = null;
try
{
news = NewsManager.GetCategory(categoryId);
}
catch (NewsCategoryNotFoundException) { }
if (news != null)
{
categoryTypeName = news.GetType().Name;
categoryName = news.Name;
// Don't allow the root category to be deleted.
if (news.ParentCategory == null)
{
((IFeedback)this.Page.Master).ShowFeedback(
BusiBlocksConstants.Blocks.Administration.LongName,
news.Name,
Feedback.Actions.Error,
"Cannot delete the highest level category"
);
return;
}
parentCategoryName = news.ParentCategory.Name;
IList <BusiBlocks.CommsBlock.News.Item> newsItems = NewsManager.GetItems(news, true);
IList <BusiBlocks.CommsBlock.News.Category> newsSubCategories = NewsManager.GetCategories(news.Id, true);
// NewsManager.GetCategories returns the root category, so it will always have at least one item
if (newsSubCategories.Count <= 1 && newsItems.Count == 0)
{
NewsManager.DeleteCategory(news);
PopulateTreeView <BusiBlocks.CommsBlock.News.Category>(NewsManager.GetViewableCategories(Page.User.Identity.Name), true, false, string.Empty);
}
else
{
deleteFailure = true;
}
}
else
{
BusiBlocks.DocoBlock.Category doco = null;
try
{
doco = DocoManager.GetCategory(categoryId);
}
catch (DocoCategoryNotFoundException) { }
if (doco != null)
{
categoryTypeName = doco.GetType().Name;
categoryName = doco.DisplayName;
parentCategoryName = doco.ParentCategory.DisplayName;
IList <Article> docoItems = DocoManager.GetArticles(doco, ArticleStatus.All, true);
IList <BusiBlocks.DocoBlock.Category> docoSubCategories = DocoManager.GetAllCategoriesBelow(doco.Id);
if (docoSubCategories.Count == 0 && docoItems.Count == 0)
{
DocoManager.DeleteCategory(doco);
this.PopulateTreeView <BusiBlocks.DocoBlock.Category>(DocoManager.GetAllCategories(), true, false, string.Empty);
}
else
{
deleteFailure = true;
}
}
}
RadTreeView1.DataBind();
}
//Displaying feedback.
if (deleteFailure)
{
((IFeedback)this.Page.Master).ShowFeedback(
BusiBlocksConstants.Blocks.Administration.LongName,
categoryTypeName,
Feedback.Actions.Error,
ErrorCategoryNotEmpty
);
RadTreeView1.FindNodeByText(categoryName).ExpandParentNodes();
RadTreeView1.FindNodeByText(categoryName).Selected = true;
}
else
{
((IFeedback)this.Page.Master).ShowFeedback(
BusiBlocksConstants.Blocks.Administration.LongName,
categoryTypeName,
Feedback.Actions.Deleted,
categoryName
);
RadTreeView1.FindNodeByText(parentCategoryName).ExpandParentNodes();
RadTreeView1.FindNodeByText(parentCategoryName).Selected = true;
}
}
/// <summary>
/// Using the category data source, create the tree. Any categories with no parent will become root
/// nodes. Any categories with a parent will be added to its parent.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="categoryDataSource"></param>
/// <param name="isAdmin"></param>
/// <param name="showNodeItems"></param>
protected void CreateCategoryTreeView <T>(IList <T> categoryDataSource, bool isAdmin, bool showNodeItems)
{
var t = typeof(T);
//add root node
var allNodes = from nodes in categoryDataSource select nodes;
// Create the sort list.
List <SortStruct> sortList = new List <SortStruct>();
foreach (var r in allNodes)
{
if (r.GetType().FullName.Contains("News"))
{
BusiBlocks.CommsBlock.News.Category category = r as BusiBlocks.CommsBlock.News.Category;
string parentId = (category.ParentCategory != null) ? category.ParentCategory.Id : string.Empty;
sortList.Add(new SortStruct()
{
Id = category.Id, ParentId = parentId, Original = category, OriginalType = category.GetType()
});
}
else if (r.GetType().FullName.Contains("Doco"))
{
BusiBlocks.DocoBlock.Category category = r as BusiBlocks.DocoBlock.Category;
string parentId = (category.ParentCategory != null) ? category.ParentCategory.Id : string.Empty;
sortList.Add(new SortStruct()
{
Id = category.Id, ParentId = parentId, Original = category, OriginalType = category.GetType()
});
}
}
int circuitBreaker = 0;
do
{
// Find the o-level objects.
IList <SortStruct> oLevels = Add0Levels(sortList, isAdmin, showNodeItems);
foreach (SortStruct item in oLevels)
{
sortList.Remove(item);
}
circuitBreaker++;
}while (sortList.Count > 0 && circuitBreaker < 100);
}
