public void CreateDocument(MarkdownCategoryViewModel parent = null)
{
NameItemDialog dialog = new NameItemDialog(DialogOwner, "New Note");
bool? dialogResult = dialog.ShowDialog();
if (dialogResult.HasValue && dialogResult.Value)
{
MarkdownDocument doc = new MarkdownDocument(UniverseVm.Model.Connection);
doc.Name = dialog.UserInput;
doc.UniverseId = UniverseVm.Model.id;
doc.MarkdownText = string.Format("# {0}\r\nThis is a new note document.", doc.Name);
doc.PlainText = Markdig.Markdown.ToPlainText(doc.MarkdownText);
doc.Create();
MarkdownDocumentViewModel docVm = new MarkdownDocumentViewModel(doc, UniverseVm);
if (parent != null)
{
MarkdownCategoryDocument link = new MarkdownCategoryDocument(UniverseVm.Model.Connection);
link.MarkdownDocumentId = doc.id;
link.MarkdownCategoryId = parent.Model.id;
link.Create();
docVm.Parent = parent;
parent.Children.Add(docVm);
}
else
{
Items.Add(docVm);
}
}
}
public void Delete()
{
ConfirmDeleteDialog dialog = new ConfirmDeleteDialog(DialogOwner, "Its subitems will not be removed.");
bool?result = dialog.ShowDialog();
if (result.HasValue && result.Value)
{
Model.Delete();
if (Parent != null)
{
Parent.Children.Remove(this);
foreach (var item in Children)
{
if (item is MarkdownCategoryViewModel)
{
MarkdownCategoryViewModel child = (MarkdownCategoryViewModel)item;
child.Parent = Parent;
child.Model.ParentId = (Parent as MarkdownCategoryViewModel).Model.id;
Parent.Children.Add(child);
child.Model.Save();
}
else
{
MarkdownDocumentViewModel child = (MarkdownDocumentViewModel)item;
child.Parent = Parent;
MarkdownCategoryDocument link = new MarkdownCategoryDocument(Model.Connection);
link.MarkdownCategoryId = (Parent as MarkdownCategoryViewModel).Model.id;
link.MarkdownDocumentId = child.Model.id;
link.Create();
Parent.Children.Add(child);
}
}
}
else
{
if (UniverseVm.MarkdownTree.Items.Contains(this))
{
UniverseVm.MarkdownTree.Items.Remove(this);
}
foreach (var item in Children)
{
if (item is MarkdownCategoryViewModel)
{
MarkdownCategoryViewModel child = (MarkdownCategoryViewModel)item;
child.Parent = null;
child.Model.ParentId = null;
child.Model.Save();
UniverseVm.MarkdownTree.Items.Add(child);
}
else
{
MarkdownDocumentViewModel child = (MarkdownDocumentViewModel)item;
UniverseVm.MarkdownTree.Items.Add(child);
}
}
}
}
}
public void UpdateDocumentCategories(MarkdownDocumentViewModel doc, IEnumerable <MarkdownCategoryViewModel> newCategories)
{
// First, load all document/category links from the database.
var currentCategories = MarkdownCategoryDocument.GetCategoriesForDocument(doc.Model.Connection, doc.Model.id);
// Delete any that were removed.
foreach (var cat in currentCategories)
{
MarkdownCategoryViewModel vm = Categories.SingleOrDefault(i => i.Model.id == cat.MarkdownCategoryId);
if (vm != null)
{
cat.Delete();
vm.Children.Remove(doc);
}
}
// Add new ones.
foreach (var cat in newCategories)
{
MarkdownCategoryDocument dbLink = currentCategories.SingleOrDefault(i => i.MarkdownCategoryId == cat.Model.id);
if (dbLink == null)
{
dbLink = new MarkdownCategoryDocument(doc.Model.Connection);
dbLink.MarkdownCategoryId = cat.Model.id;
dbLink.MarkdownDocumentId = doc.Model.id;
dbLink.Create();
}
if (!cat.Children.Contains(doc))
{
cat.Children.Add(doc);
}
}
// Add/Remove from uncategoried as necessary.
if (newCategories.Count() == 0)
{
if (!Items.Contains(doc))
{
Items.Add(doc);
}
}
else
{
if (Items.Contains(doc))
{
Items.Remove(doc);
}
}
}