private void RaiseEventBeforeItemSelected(object item)
{
EventHandler <CollectionListBoxEventArgs> handler = BeforeItemSelected;
if (handler != null)
{
CollectionListBoxEventArgs ea = new CollectionListBoxEventArgs(item);
handler(this, ea);
}
}
private void RaiseEventItemSelected(object item)
{
EventHandler <CollectionListBoxEventArgs> handler = ItemSelected;
if (handler != null)
{
CollectionListBoxEventArgs ea = new CollectionListBoxEventArgs(item);
_lastCategory = GetCategory(item, CategoryProperty);
handler(this, ea);
}
}
private void ButtonCopy_Click(object sender, EventArgs e)
{
if (listViewSelected.SelectedItems.Count == 0)
{
return;
}
if (Copy != null)
{
var args = new CollectionListBoxEventArgs(listViewSelected.SelectedItems[0].Tag);
Copy(this, args);
}
}
private void Add(Type addtype)
{
RaiseEventBeforeItemSelected(_selectedObject);
var _obj = Activator.CreateInstance(addtype);
if (CategoryProperty != null)
{
var _prop = _obj.GetType().GetProperty(CategoryProperty);
if (_prop.CanWrite && _prop.PropertyType == typeof(string))
{
_prop.SetValue(_obj, _lastCategory);
}
}
CollectionListBoxEventArgs ea = new CollectionListBoxEventArgs(_obj);
OnAdd?.Invoke(this, ea);
if (ea.Canceled)
{
return;
}
_collection.Add(ea.Item);
OnCollectionChanged?.Invoke(this, new EventArgs());
BuildCollectionList();
foreach (ListViewItem lvi in listViewSelected.Items)
{
if (lvi.Tag == ea.Item)
{
lvi.Selected = true;
lvi.EnsureVisible();
ListViewClick();
}
}
listViewSelected.Focus();
}
private void ButtonPaste_Click(object sender, EventArgs e)
{
if (Paste != null)
{
var args = new CollectionListBoxEventArgs(listViewSelected.SelectedItems[0].Tag);
Paste(this, args);
_collection.Add(args.Item);
BuildCollectionList();
foreach (ListViewItem lvi in this.listViewSelected.Items)
{
if (lvi.Tag == args.Item)
{
lvi.Selected = true;
lvi.EnsureVisible();
ListViewClick();
}
}
listViewSelected.Focus();
}
}
private void ToolStripButton1_Click(object sender, EventArgs e)
{
if (listViewSelected.SelectedItems.Count == 0)
{
return;
}
if (Copy != null)
{
CollectionListBoxEventArgs args = new CollectionListBoxEventArgs(listViewSelected.SelectedItems[0].Tag);
Copy(this, args);
_selectedObject = null;
foreach (ListViewItem lvi in listViewSelected.SelectedItems)
{
Object o = (Object)lvi.Tag;
_collection.Remove(o);
lvi.Remove();
OnCollectionChanged?.Invoke(this, new EventArgs());
}
RaiseEventItemSelected(null);
BuildCollectionList();
}
}
