private void DoubleClickChange(GenericListViewItem <T> lvitem, MouseEventArgs e)
{
if (DoubleClickForChange && ActionType.HasFlag(ActionType.Change))
{
OnChangeAction(lvitem);
}
}
public virtual Boolean TryInsert(Int32 index, GenericListViewItem <T> lvitem)
{
if (lvitem is null)
{
throw new ArgumentNullException(nameof(lvitem));
}
if (!OverlapAllowed && Items.Any(item => OverlapCheckByText && item.Text.Equals(lvitem.Text) ||
OverlapCheckByItem && lvitem.Item?.Equals(default) == false && item.Item?.Equals(lvitem.Item) == true))
public virtual void OnChangeAction(GenericListViewItem <T> lvitem)
{
ItemForm.TextBox.Clear();
ItemForm.TextBox.Text = lvitem.Text;
if (ItemForm.ShowDialog() == DialogResult.OK && IsValidItemText(ItemForm.TextBox.Text))
{
lvitem.Text = ItemForm.TextBox.Text;
}
}
public Boolean TryInsert(Int32 index, T item)
{
GenericListViewItem <T> lvitem = new GenericListViewItem <T>(item.ToString())
{
Item = item
};
return(TryInsert(index, lvitem));
}
public override Boolean TryInsert(Int32 index, GenericListViewItem <T> lvitem)
{
if (!base.TryInsert(index, lvitem))
{
return(false);
}
ItemAdded?.Invoke(index, lvitem);
return(true);
}
private void OnItemClick(GenericListViewItem <T> item, MouseEventArgs e)
{
switch (e.Clicks)
{
case 1:
ItemClick?.Invoke(item, e);
break;
case 2:
ItemDoubleClick?.Invoke(item, e);
break;
default:
break;
}
}
public Boolean Remove(GenericListViewItem <T> item)
{
if (item is null)
{
throw new ArgumentNullException(nameof(item));
}
if (!Contains(item))
{
return(false);
}
_items.Remove(item);
OnRemove?.Invoke(ref item);
ItemsChanged?.Invoke();
return(true);
}
public void RemoveAt(Int32 index)
{
if (index < 0 || index >= Count)
{
throw new ArgumentOutOfRangeException(nameof(index));
}
GenericListViewItem <T> item = (GenericListViewItem <T>)_items[index];
_items.RemoveAt(index);
if (item is null)
{
return;
}
OnRemove?.Invoke(ref item);
ItemsChanged?.Invoke();
}
public virtual void OnAddAction(GenericListViewItem <T> lvitem)
{
TryInsert(SelectedIndices.OfType <Int32>().FirstOr(SelectedIndices.Count), lvitem);
}
public virtual Boolean IsValidItem(GenericListViewItem <T> lvitem)
{
return(IsValidItem(lvitem.Item));
}
public Int32 IndexOf(GenericListViewItem <T> item)
{
return(_items.IndexOf(item));
}
public void Add(GenericListViewItem <T> item)
{
_items.Add(item ?? throw new ArgumentNullException(nameof(item)));
OnAdd?.Invoke(ref item);
ItemsChanged?.Invoke();
}
public void Insert(Int32 index, GenericListViewItem <T> item)
{
_items.Insert(index, item ?? throw new ArgumentNullException(nameof(item)));
OnInsert?.Invoke(index, ref item);
ItemsChanged?.Invoke();
}
public Boolean Contains(GenericListViewItem <T> item)
{
return(_items.Contains(item));
}
public Boolean Contains(GenericListViewItem <T> item)
{
return(_items.Contains(item ?? throw new ArgumentNullException(nameof(item))));
}
protected virtual String GetItemImageKey(GenericListViewItem <T> lvitem)
{
return(ImageDictionary.TryGetValue(lvitem.Item, StringUtils.NullString));
}
public Boolean TryAdd(GenericListViewItem <T> lvitem)
{
return(TryInsert(Items.Count, lvitem));
}
protected virtual Font GetItemFont(GenericListViewItem <T> lvitem, DrawingData data)
{
return(data.Font ?? lvitem.Font);
}
protected virtual Color GetItemForeColor(GenericListViewItem <T> lvitem, DrawingData data)
{
return(data.ForegroundColor.IsEmpty ? DefaultForegroundColor : data.ForegroundColor);
}
protected virtual Color GetItemBackColor(GenericListViewItem <T> lvitem, DrawingData data)
{
return(!IsValidItem(lvitem) ? InvalidColor : data.BackgroundColor.IsEmpty?DefaultBackgroundColor : data.BackgroundColor);
}
