/// <summary>
/// Populates this control with exchange items.
/// </summary>
/// <param name="exchangeItems">Exchange items.</param>
/// <param name="showCheckboxes">Determines whether to show check-boxes in the tree.</param>
public void PopulateExchangeItemTree(IExchangeItem[] exchangeItems, bool showCheckboxes)
{
_checkedQuantity = null;
_checkedElementSet = null;
_checkedDataOperations = new ArrayList();
_filterDimension = null;
_filterElementSet = null;
_blockAfterCheckEventHandler = false;
_exchangeItems = new ArrayList(exchangeItems);
ExchangeItemsComparer comparer = new ExchangeItemsComparer();
_exchangeItems.Sort(comparer);
// fill _exchangeItemsSearcher
_exchangeItemsSearcher = new Hashtable();
foreach (IExchangeItem exchangeItem in _exchangeItems)
{
if (exchangeItem.ElementSet == null || exchangeItem.Quantity == null)
{
throw(new Exception("Exchange item cannot have ElementSet or Quantity null."));
}
string key = CreateExchangeItemID(exchangeItem.Quantity, exchangeItem.ElementSet);
object entry = _exchangeItemsSearcher[key];
if (entry == null)
{
// first usage of this key
_exchangeItemsSearcher[key] = exchangeItem;
}
else if (entry is IExchangeItem)
{
// this key already used once => create ArrayList of exchange items with this key
ArrayList list = new ArrayList();
list.Add(entry);
list.Add(exchangeItem);
_exchangeItemsSearcher[key] = list;
}
else
{
// key used more times
((ArrayList)entry).Add(exchangeItem);
}
}
treeView1.CheckBoxes = showCheckboxes;
CreateTree();
}
/// <summary>
/// Creates the tree based on element sets and quantities in exchange items
/// passed with <see cref="PopulateExchangeItemTree">PopulateExchangeItemTree</see> method.
/// </summary>
public void TreeCreate(UIExchangeItem toCheck)
{
_nodes.Clear();
if (_items == null)
{
treeView.BeginUpdate();
treeView.Nodes.Clear();
treeView.EndUpdate();
return;
}
ExchangeItemsComparer comparer = new ExchangeItemsComparer();
_items.Sort(comparer);
treeView.BeginUpdate();
treeView.Nodes.Clear();
treeView.CheckBoxes = _treeOptions.ShowCheckboxs;
// Top Level
Dictionary <string, TreeNode> quantities = new Dictionary <string, TreeNode>();
TreeNode node;
foreach (UIExchangeItem item in _items)
{
if (item.ValueDefinition == null)
{
throw new InvalidOperationException("IValueDefinition == null");
}
if (!quantities.ContainsKey(item.ValueDefinition.Caption))
{
node = treeView.Nodes.Add(item.ValueDefinition.Caption);
node.Tag = null;
quantities.Add(item.ValueDefinition.Caption, node);
}
}
// Second level
Stack <TreeNode> kids = new Stack <TreeNode>(_items.Count);
foreach (UIExchangeItem item in _items)
{
node = new TreeNode(item.ToString());
node.ImageIndex
= node.SelectedImageIndex
= ImageIndex(item.ElementSet.ElementType);
node.Tag = item;
if (item is UIOutputItem && ((UIOutputItem)item).Parent != null)
{
kids.Push(node);
}
else
{
quantities[item.ValueDefinition.Caption].Nodes.Add(node);
_nodes.Add(item.ExchangeItem, node);
}
}
// Lower levels
if (kids.Count > 0)
{
Stack <TreeNode> unassigned;
UIExchangeItem iParent, iNode;
int added;
do
{
added = 0;
unassigned = new Stack <TreeNode>(kids.Count);
while (kids.Count > 0)
{
node = kids.Pop();
iNode = (UIExchangeItem)node.Tag;
iParent = ((UIOutputItem)iNode).Parent;
if (_nodes.ContainsKey(iParent.ExchangeItem))
{
_nodes[iParent.ExchangeItem].Nodes.Add(node);
_nodes.Add(iNode.ExchangeItem, node);
++added;
}
else
{
unassigned.Push(node);
}
}
if (added == 0 && unassigned.Count > 0)
{
Debug.Assert(false); // cant assign kids
break;
}
kids = unassigned;
}while (unassigned.Count > 0);
}
treeView.ExpandAll();
treeView.EndUpdate();
if (toCheck != null && _nodes.ContainsKey(toCheck.ExchangeItem))
{
CheckNode(_nodes[toCheck.ExchangeItem], true);
}
treeView.Invalidate();
}
/// <summary>
/// Populates this control with exchange items.
/// </summary>
/// <param name="exchangeItems">Exchange items.</param>
/// <param name="showCheckboxes">Determines whether to show check-boxes in the tree.</param>
public void PopulateExchangeItemTree( IExchangeItem[] exchangeItems, bool showCheckboxes )
{
_checkedQuantity = null;
_checkedElementSet = null;
_checkedDataOperations = new ArrayList();
_filterDimension = null;
_filterElementSet = null;
_blockAfterCheckEventHandler = false;
_exchangeItems = new ArrayList( exchangeItems );
ExchangeItemsComparer comparer = new ExchangeItemsComparer();
_exchangeItems.Sort( comparer );
// fill _exchangeItemsSearcher
_exchangeItemsSearcher = new Hashtable();
foreach( IExchangeItem exchangeItem in _exchangeItems )
{
if( exchangeItem.ElementSet==null || exchangeItem.Quantity==null )
throw( new Exception("Exchange item cannot have ElementSet or Quantity null.") );
string key = CreateExchangeItemID(exchangeItem.Quantity, exchangeItem.ElementSet);
object entry = _exchangeItemsSearcher[ key ];
if( entry == null )
{
// first usage of this key
_exchangeItemsSearcher[key] = exchangeItem;
}
else if( entry is IExchangeItem )
{
// this key already used once => create ArrayList of exchange items with this key
ArrayList list = new ArrayList();
list.Add( entry );
list.Add( exchangeItem );
_exchangeItemsSearcher[key] = list;
}
else
{
// key used more times
((ArrayList)entry).Add( exchangeItem );
}
}
treeView1.CheckBoxes = showCheckboxes;
CreateTree();
}
