private void SwagItemsControl_Export(object sender, RoutedEventArgs e)
{
SwagOptionControl soc = (SwagOptionControl)e.OriginalSource;
SwagOption opt = (SwagOption)soc.OptionCollection;
SwagItemsControlHelper.ExportDataToFile <SwagOption>(opt);
}
private Boolean CheckIfValidDrop(TreeViewItemDropEventArgs tviea)
{
SwagOption targetOpt = (SwagOption)tviea.TargetItem.DataContext;
SwagOption droppedOpt = (SwagOption)tviea.DroppedItem.DataContext;
Boolean valid = true;
MoveType moveType = GetMoveType(tviea);
SwagOption tempOpt = targetOpt.Parent;
while (valid && tempOpt != null)
{
if (droppedOpt == tempOpt) //Don't drop within own descendants
{
valid = false;
break;
}
tempOpt = tempOpt.Parent;
}
if (!valid)
{
tviea.DragEventArgs.Effects = DragDropEffects.None;
tviea.DragEventArgs.Handled = true;
}
return(valid);
}
private void SwagItemsControl_Copy(object sender, RoutedEventArgs e)
{
SwagOptionControl soc = (SwagOptionControl)e.OriginalSource;
SwagOption opt = (SwagOption)soc.OptionCollection;
SwagItemsControlHelper.SetClipBoardData <SwagOption>(opt);
}
private void SwagItemsControl_Add(object sender, RoutedEventArgs e)
{
FrameworkElement fe = (FrameworkElement)e.OriginalSource;
ICollection <SwagOption> col = (ICollection <SwagOption>)fe.DataContext;
SwagOption opt = null;
String tag = (fe.Tag ?? "").ToString();
switch (tag)
{
case "GROUP":
opt = new SwagOptionGroup();
break;
case "STRING":
opt = new StringOption();
break;
case "DATE":
opt = new DateOption();
break;
case "BOOL":
opt = new BooleanOption();
break;
}
col.Add(opt);
CollectionViewSource.GetDefaultView(col).Refresh();
}
private void SwagItemsControl_Import(object sender, RoutedEventArgs e)
{
SwagOption opt = SwagItemsControlHelper.GetDataFromFile <SwagOption>();
if (opt != null)
{
SwagOptionControl soc = (SwagOptionControl)e.OriginalSource;
soc.OptionCollection = (SwagOptionGroup)opt;
}
}
private void SwagItemsControl_Paste(object sender, RoutedEventArgs e)
{
SwagOption opt = SwagItemsControlHelper.GetClipBoardData <SwagOption>();
if (opt != null)
{
SwagOptionControl soc = (SwagOptionControl)e.OriginalSource;
soc.OptionCollection = (SwagOptionGroup)opt;
}
}
private void Description_Click(object sender, RoutedEventArgs e)
{
FrameworkElement fe = (FrameworkElement)e.OriginalSource;
SwagOption opt = (SwagOption)fe.DataContext;
String description = UIHelper.StringInputDialog("Description", opt.Description);
if (!String.IsNullOrEmpty(description))
{
opt.Description = description;
}
}
private void SwagItemsControl_Remove(object sender, RoutedEventArgs e)
{
FrameworkElement fe = (FrameworkElement)e.OriginalSource;
SwagOption opt = (SwagOption)fe.DataContext;
opt.Parent.Children.Remove(opt);
CollectionViewSource.GetDefaultView(opt.Parent.Children).Refresh();
if (opt.Parent == OptionCollection)
{
CollectionViewSource.GetDefaultView(OptionCollection).Refresh();
}
}
private void SwagItemsControl_TreeViewItemDrop(object sender, RoutedEventArgs e)
{
TreeViewItemDropEventArgs tviea = (TreeViewItemDropEventArgs)e;
tviea.TargetItem.BorderThickness = new Thickness(0, 0, 0, 0);
if (!CheckIfValidDrop(tviea)) //Drops are still possible because TreeViewItemDropPreview can be skipped
{
return;
}
MoveType moveType = GetMoveType(tviea);
SwagOption targetOpt = (SwagOption)tviea.TargetItem.DataContext;
SwagOption droppedOpt = (SwagOption)tviea.DroppedItem.DataContext;
SwagOptionGroup originalDroppedParent = (SwagOptionGroup)droppedOpt.Parent;
Boolean sameParent = originalDroppedParent == targetOpt.Parent;
Int32 originalDroppedSequence = droppedOpt.Sequence,
currentDroppedSequence = droppedOpt.Sequence,
targetSequence = targetOpt.Sequence,
delta = targetSequence - originalDroppedSequence;
switch (moveType)
{
case MoveType.Above:
case MoveType.Below:
if (!sameParent)
{
originalDroppedParent.Children.Remove(droppedOpt);
droppedOpt.Sequence = -1; //reset sequence
targetOpt.Parent.Children.Add(droppedOpt);
currentDroppedSequence = droppedOpt.Sequence;
delta = targetSequence - currentDroppedSequence;
}
switch (moveType)
{
case MoveType.Above:
if (delta != 0)
{
foreach (SwagOption sibling in targetOpt.Parent.Children)
{
if (sibling.Sequence >= Math.Min(currentDroppedSequence, targetSequence) && sibling.Sequence < Math.Max(currentDroppedSequence, targetSequence))
{
sibling.Sequence = (sibling.Sequence + (delta > 0 ? -1 : 1));
}
}
droppedOpt.Sequence = targetSequence + (delta > 0 ? -1 : 0);
if (targetOpt.Parent == null)
{
CollectionViewSource.GetDefaultView(OptionCollection).Refresh();
}
else
{
CollectionViewSource.GetDefaultView(targetOpt.Parent.Children).Refresh();
}
}
break;
case MoveType.Below:
if (delta != 0)
{
foreach (SwagOption sibling in targetOpt.Parent.Children)
{
if (sibling.Sequence > Math.Min(currentDroppedSequence, targetSequence) && sibling.Sequence <= Math.Max(currentDroppedSequence, targetSequence))
{
sibling.Sequence = (sibling.Sequence + (delta > 0 ? -1 : 1));
}
}
droppedOpt.Sequence = targetSequence + (delta > 0 ? 0 : 1);
if (targetOpt.Parent == null)
{
CollectionViewSource.GetDefaultView(OptionCollection).Refresh();
}
else
{
CollectionViewSource.GetDefaultView(targetOpt.Parent.Children).Refresh();
}
}
break;
}
break;
case MoveType.Into:
if (tviea.TargetItem.DataContext is SwagOptionGroup grp)
{
originalDroppedParent.Children.Remove(droppedOpt);
droppedOpt.Sequence = -1; //reset sequence
grp.Children.Add(droppedOpt);
}
break;
}
}
