//public int GetTextsToRoot()
//{
// foreach (var child in ChildItems)
// if (child.HasData)
// return 1;
// else
// return child.GetTextsToRoot()
// return this.ParentItem.GetTextsToRoot().Append(this.Text);
//}
public ModelTreeItem VirtualizeChildrenByTextPrefix(string virtualNodeText, string textPrefix)
{
var selectedChildren = ChildItems.Where(c => c.Text.StartsWith(textPrefix)).ToArray();
ModelTreeItem newNode = new ModelTreeItem(this.Level + 1, virtualNodeText, imageFunc: this._ImageFunc)
{
IsVirtual = true, ParentItem = this
};
if (!selectedChildren.Any())
{
return(newNode);
}
//int oldIndexInChildItems = this.ChildItems.IndexOf(selectedChildren.First());
foreach (var selectedChild in selectedChildren)
{
ChildItems.Remove(selectedChild);
selectedChild.ParentItem = newNode;
selectedChild.IncreaseLevelRecursive(1);
newNode.ChildItems.Add(selectedChild);
}
//this.ChildItems.Insert(oldIndexInChildItems, newNode);
this.ChildItems.Add(newNode);
return(newNode);
}
public BurgerMenuItem GetChildItemByKey(string key)
{
IEnumerable <BurgerMenuItem> matchingChildren = ChildItems.Where(bmi => bmi.Key.EndsWith(key));
if (matchingChildren.Any())
{
return(matchingChildren.First());
}
else
{
return(null);
}
}
private async void DeleteButton_Clicked(object sender, EventArgs e)
{
var btn = sender as IconButton;
var deleteItemArgs = new DeleteItemEventArgs()
{
Id = btn.Tag as String,
Type = Field.Name.ToPropertyName()
};
var obj = ChildItems as Object;
if (obj is System.Collections.IList)
{
if (await SLWIOC.Get <LagoVista.Core.PlatformSupport.IPopupServices>().ConfirmAsync(XPlatResources.Msg_ConfirmDeleteItemTitle, XPlatResources.Msg_ConfirmDeleteItem))
{
var childList = ChildItems as System.Collections.IList;
var itemToBeDeleted = ChildItems.Where(itm => itm.ToEntityHeader().Id == btn.Tag as string).FirstOrDefault();
childList.Remove(itemToBeDeleted);
Deleted?.Invoke(sender, deleteItemArgs);
Refresh();
}
}
}
public void GenerateCollectionsRecursive()
{
List <ModelTreeItem> newNodes = new List <ModelTreeItem>();
{
// Identify collections by separator characters.
var collectionGroups = ChildItems.GroupBy(c =>
{
int indexOfSeparator = c.Text.IndexOfAny(_CollectionSeparators);
if (indexOfSeparator > 0)
{
return(c.Text.Substring(0, indexOfSeparator));
}
return(string.Empty);
});
foreach (var group in collectionGroups)
{
if (group.Count() > 1 && group.Key != string.Empty)
{
// Locate the full collection name within the items text.
int originalSeparatorIndex = group.Key.Length;
int refinedSeparatorIndex = originalSeparatorIndex;
while (true)
{
if (group.First().Text.Length < refinedSeparatorIndex)
{
break;
}
int newSeparatorIndex = group.First().Text.IndexOfAny(_CollectionSeparators, refinedSeparatorIndex + 1);
if (newSeparatorIndex > refinedSeparatorIndex)
{
string newPrefix = group.First().Text.Substring(0, newSeparatorIndex);
if (group.Any(t => t.Text.Length < newSeparatorIndex || t.Text.Substring(0, newSeparatorIndex) != newPrefix))
{
break;
}
refinedSeparatorIndex = newSeparatorIndex;
}
else
{
break;
}
}
string newCollectionKey = originalSeparatorIndex != refinedSeparatorIndex?group.First().Text.Substring(0, refinedSeparatorIndex) : group.Key;
// Virtualize collection, except if the name matches with this node.
if (this.Text != newCollectionKey)
{
newNodes.Add(this.VirtualizeChildrenByTextPrefix(newCollectionKey, newCollectionKey));
}
}
}
}
foreach (var child in ChildItems.Where(c => !newNodes.Contains(c)))
{
child.GenerateCollectionsRecursive();
}
}