public void AddItemToList(object input)
{
RegexOptions options = RegexOptions.None;
Regex regex = new Regex("[ ]{2,}", options);
// 1. Make sure the item is not blank
if (Item == null || String.IsNullOrWhiteSpace(Item))
{
return;
}
// 2. Format the item
Item = Item.Trim();
Item = regex.Replace(Item, " ");
// 3. Make sure the Listbox doesn't already contain the item
if (ItemsSource.Contains(Item))
{
return;
}
// 4. Add item to collection
ItemsSource.Add(Item);
// 5. Reset the item
Item = null;
}
private void DisplayInControl()
{
if (ItemsSource.Count > 0 && nodeList.All(node => node.Title != "All"))
{
nodeList.Add(new Node("All", ""));
}
// remove obsolete nodes
foreach (var node in nodeList
.Where(node => !ItemsSource.Contains(node.Title.Replace("__", "_")) &&
node.Title != "All").ToArray())
{
nodeList.Remove(node);
}
// add new nodes and review the values
foreach (var item in ItemsSource
.Except(nodeList.Select(node => node.Title.Replace("__", "_"))))
{
var node = new Node(item.Replace("_", "__"),
(FirstNotNullOrEmpty(
ItemsAppendText ?? new Dictionary <string, string>(),
item)
?? "").Replace("_", "__"));
nodeList.Add(node);
}
}
async void Handle_UnFocused(object sender, Xamarin.Forms.FocusEventArgs e)
{
if (ItemsSource.Contains(TextBox.Text) == false)
{
TextBox.Text = "";
}
await Frame.FadeTo(0, 200, Easing.SinOut);
Frame.IsVisible = false;
}
public void ReplaceTag(string oldValue, string newValue)
{
if (ItemsSource.Contains(oldValue))
{
ItemsSource[ItemsSource.IndexOf(oldValue)] = newValue;
}
else
{
ItemsSource.Add(newValue);
}
}
private void OnCurrentChanged(object sender, EventArgs e)
{
var newValue = ItemsSource.CurrentItem as AcItemWrapper;
if (ItemsSource.Contains(_selectedWrapper.Value))
{
_selectedWrapper.Value = newValue;
}
else
{
_selectedWrapper.ForceValue(newValue);
}
}
public void Add(T item)
{
if (_readonly)
{
return;
}
if ((!_allowDuplicates && !ItemsSource.Contains(item)) && item != null && !item.Equals(_dummyItem))
{
ItemsSource.Add(item);
NextFrameActions.Enqueue(() => {});
}
}
private void HideAndSelectFirst()
{
isShowing = false;
lb.Visibility = Visibility.Collapsed;
if (String.IsNullOrWhiteSpace(tb.Text) || ItemsSource == null || ItemsSource.Count == 0)
{
return;
}
if (!ItemsSource.Contains(tb.Text, new Compare()))
{
var sel = (from d in ItemsSource where d.ToLower().StartsWith(tb.Text.ToLower()) select d);
Text = sel.FirstOrDefault() ?? String.Empty;
}
else
{
Text = tb.Text;
OnItemChosen();
}
}
private void HideAndSelectFirst()
{
isShowing = false;
lb.Visibility = Visibility.Collapsed;
if (String.IsNullOrWhiteSpace(tb.Text) || ItemsSource == null || ItemsSource.Count == 0)
{
return;
}
if (!ItemsSource.Contains(tb.Text, new Compare()))
{
var sel = (from d in ItemsSource where SearchFunction(d, this.tb.Text) select d);
Text = sel.FirstOrDefault() ?? tb.Text;
}
else
{
Text = tb.Text;
OnItemChosen();
}
}
/// <summary>
/// Check, if item exist in collection
/// </summary>
/// <param name="x">Check item</param>
/// <returns>True, if not exist</returns>
protected virtual bool GetDiff(T x)
{
return(!ItemsSource.Contains(x));
}
