private bool FindAndRemoveItem(TreeFolder item, ObservableCollection<TreeFolder> subFolders)
{
foreach (TreeFolder treeFolder in subFolders)
{
if (treeFolder == item)
{
treeFolder.Title = "[~Removed]";
subFolders.Remove(item);
return true;
}
if (FindAndRemoveItem(treeFolder, treeFolder.SubFolders))
return true;
}
return false;
}
public void RemoveFolder(TreeFolder item)
{
if (item == null)
return;
if (item.SubFolders.Count > 0)
return;
if (item.Data != null)
{
_treeService.TreeDatas.Remove(item.Data);
_treeService.SubmitChanges();
item.Title = "[~Removed]"; // Om Titeln innehåller denna text så kommer Ui:t att dölja raden i treeview.
// Dett är en workorund för att inte hel treeviewn uppdtareas när subfolders raderas.
// I TreeViewPage.xaml triggas en GotoStateAction när titeln ändras till [~Removed]
foreach (TreeFolder treeFolder in TreeFolders)
{
if (treeFolder == item)
{
treeFolder.Title = "[~Removed]";
TreeFolders.Remove(item);
return;
}
if (FindAndRemoveItem(item, treeFolder.SubFolders))
return;
}
}
}
public void AddFolder(TreeFolder parent)
{
if (parent == null)
_treefolders.Add(AddNewSubFolder(null));
else
{
parent.SubFolders.Add(AddNewSubFolder(parent.Id));
parent.IsExpanded = true;
}
}
private TreeFolder AddNewSubFolder(Guid? pId)
{
var newitem = new TreeFolder
{
Title = "[New Item]",
Id = Guid.NewGuid(),
Parent = pId
};
var treedata = new TreeData
{
Title = newitem.Title,
Id = newitem.Id,
Parent = newitem.Parent
};
_treeService.TreeDatas.Add(treedata);
_treeService.SubmitChanges();
newitem.Data = treedata;
return newitem;
}
private TreeFolder TreeFolder(TreeData t)
{
TreeFolder newitem;
return newitem = new TreeFolder
{
Title = t.Title,
Text = t.Text,
Id = t.Id,
Parent = t.Parent,
IsExpanded = t.isExpanded,
SubFolders = AddChilds(t.ChildNodes),
Data = t
};
return newitem;
}
