/// <summary>
/// Detaches an item from its parent, inside the collection and in the UI.
/// </summary>
public void DetachItem(UICodeblock item)
{
// Update the codeblock collection
List <UICodeblock> blocks = new List <UICodeblock>()
{
item
};
blocks.AddRange(item.GetComponentsInChildren <UICodeblock>().Where(b => b.Type == UICodeblock.UIBlockType.Executable));
CurrentSystem.Blocks.DetachItemRange(blocks.Select(b => b.Source).ToArray());
// Update the transform hierarchy
item.transform.SetParent(_handle);
item.PositionController.TargetLocalPosition = item.PositionController.LocalPosition;
}
/// <summary>
/// Inserts an item into the codeblock collection, given a previous sibling as a parent. Pass null to set the item as the entry block.
/// </summary>
public void InsertItem(UICodeblock item, UICodeblock previousSibling)
{
// Check if the previous sibling has a next sibling
var nextSiblings = previousSibling.GetComponentsInChildren <UICodeblock>().Where(b => b.Type == UICodeblock.UIBlockType.Executable);
UICodeblock nextSibling = nextSiblings.Count() > 1 ? nextSiblings.ElementAt(1) : null;
// Update the codeblock collection
List <UICodeblock> blocks = new List <UICodeblock>();
blocks.AddRange(item.GetComponentsInChildren <UICodeblock>().Where(b => b.Type == UICodeblock.UIBlockType.Executable));
CurrentSystem.Blocks.InsertItemRange(blocks.Select(b => b.Source).ToArray(), previousSibling.Source);
// Update the transform hierarchy
PlaceUnderCodeblock(item, previousSibling);
// If there is a next sibling, place it after the last child of the new item
if (nextSibling != null)
{
PlaceUnderCodeblock(nextSibling, blocks.Last());
}
}