//By Johann
/// <summary>
/// Loads the child categories of the selected parent category into the BindableCollection
/// </summary>
private void LoadChildCategories()
{
ChildCategories.Clear();
if (SelectedParentCategory != null)
{
ChildCategories.AddRange(Category.GetCategoriesByParent(SelectedParentCategory.Id));
}
}
internal void FillImageCategoriesTree(IDictionary <string, IList <string> > categories, List <string> imageNames, ICollection <string> currentLevelChildren)
{
List <string> nextLevelChildren = new List <string>(currentLevelChildren);
if (ParentCategory != null && ParentCategory.ParentCategory == null)
{
nextLevelChildren = new List <string>(categories.Keys);
}
nextLevelChildren.Remove(Name);
List <string> nextLevelImageTreeNodes = new List <string>(imageNames);
Dictionary <string, List <string> > childCategoriesImageNames = new Dictionary <string, List <string> >();
foreach (string imageName in imageNames)
{
images.Add(new ImagePreviewObject(Owner, imageName));
foreach (string categoryName in nextLevelChildren)
{
if (categoryName != Name)
{
if (!childCategoriesImageNames.ContainsKey(categoryName))
{
childCategoriesImageNames.Add(categoryName, new List <string>());
}
if (categories[categoryName].Contains(imageName))
{
childCategoriesImageNames[categoryName].Add(imageName);
nextLevelImageTreeNodes.Remove(imageName);
}
}
}
}
foreach (string childCategoryName in childCategoriesImageNames.Keys)
{
if (childCategoriesImageNames[childCategoryName].Count == 1)
{
if (!nextLevelImageTreeNodes.Contains(childCategoriesImageNames[childCategoryName][0]))
{
nextLevelImageTreeNodes.Add(childCategoriesImageNames[childCategoryName][0]);
}
}
else if (childCategoriesImageNames[childCategoryName].Count > 1)
{
ImagesGroupNode childCategory = new ImagesGroupNode(Owner, this, childCategoryName);
ChildCategories.Add(childCategory);
childCategory.FillImageCategoriesTree(categories, childCategoriesImageNames[childCategoryName], nextLevelChildren);
}
}
foreach (string nextLevelImageTreeNode in nextLevelImageTreeNodes)
{
ImageNode imageTreeNode = new ImageNode(Owner, nextLevelImageTreeNode);
ChildCategories.Add(imageTreeNode);
}
}
public virtual void AddChildCategory(Category category)
{
if (category == null)
{
throw new ArgumentException("Can't add a null Category as child.");
}
// Remove from old parent category
if (category.ParentCategory != null)
{
category.ParentCategory.ChildCategories.Remove(category);
}
// Set parent in child
category.ParentCategory = this;
// Set child in parent
ChildCategories.Add(category);
}
protected override void ClearNavigationProperties()
{
ChildCategories.Clear();
ParentCategory = null;
}
public void AddChild(Category category) => ChildCategories.Add(category);
private void AddChildCategory(Category category)
{
ChildCategories.Add(category);
}
private void RemoveChildCategory(Category category)
{
ChildCategories.Remove(category);
}
public virtual void AddChild(Category child)
{
ChildCategories.Add(child);
child.ParentCategory = this;
}
