internal void BuildTreeNodes()
{
treeCategories.Clear();
allCategories = new Dictionary <string, IList <string> >();
List <string> rootCategories = new List <string>();
foreach (string imageName in ImageNames)
{
foreach (CategoryString category in Categories)
{
string categoryName = category.Name;
IList <string> categoryContent;
if (!allCategories.TryGetValue(categoryName, out categoryContent))
{
categoryContent = new List <string>();
allCategories.Add(categoryName, categoryContent);
}
if (("_" + imageName + "_").Contains("_" + categoryName + "_"))
{
categoryContent.Add(imageName);
}
if (imageName.StartsWith(categoryName) && !rootCategories.Contains(categoryName))
{
rootCategories.Add(categoryName);
}
}
}
List <string> simpleCategories = new List <string>();
foreach (KeyValuePair <string, IList <string> > category in allCategories)
{
if (category.Value.Count < 2)
{
simpleCategories.Add(category.Key);
}
}
foreach (string category in simpleCategories)
{
CategoryString categoryString = null;
foreach (CategoryString cat in Categories)
{
if (cat.Name == category)
{
categoryString = cat;
break;
}
}
Categories.Remove(categoryString);
allCategories.Remove(category);
if (rootCategories.Contains(category))
{
rootCategories.Remove(category);
}
}
ImagesGroupNode rootCategory = new ImagesGroupNode(this, null, "");
rootCategory.FillImageCategoriesTree(allCategories, ImageNames, rootCategories);
ImageCategories.Add(rootCategory);
}
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);
}
}