bool PushIn(string value, string parentValue)
{
bool pushSuccessful = false;
FaultTreeNode parent = GetParent(parentValue, _rootNode);
if (parent == null)
{
return(pushSuccessful);
}
if (parent.Child == null)
{
parent.Child = new FaultTreeNode(value);
parent.Child.Depth = parent.Depth + 1;
_mostRecentlyAddedNode = parent.Child;
return(true);
}
FaultTreeNode temp = parent.Child;
while (temp.Sibling != null)
{
temp = temp.Sibling;
}
temp.Sibling = new FaultTreeNode(value);
temp.Sibling.Depth = parent.Depth + 1;
_mostRecentlyAddedNode = temp.Sibling;
pushSuccessful = true;
return(pushSuccessful);
}
FaultTreeNode GetParent(string parentValue, FaultTreeNode parentNode)
{
if (parentNode.Data.Equals(parentValue))
{
return(parentNode);
}
FaultTreeNode child = parentNode.Child;
FaultTreeNode parent = null;
while (child != null)
{
parent = GetParent(parentValue, child);
if (parent != null)
{
break;
}
child = child.Sibling;
}
return(parent);
}
public bool Push(string value, string parentValue)
{
bool pushSucceeded;
if (_numOfElements == _maxSize)
{
_lastError = "The tree has exceeded the maximum amount of nodes permitted in the tree" +
", increase the maximum size of the tree first.";
return(false);
}
if (_rootNode == null)
{
_rootNode = new FaultTreeNode(value);
_mostRecentlyAddedNode = _rootNode;
pushSucceeded = true;
}
else
{
try
{
pushSucceeded = PushIn(value, parentValue);
if (!pushSucceeded)
{
_lastError = "Duplicate value already exists inside the tree.";
}
}
catch (Exception e)
{
_lastError = e.Message;
return(false);
}
}
if (pushSucceeded)
{
_numOfElements++;
}
return(pushSucceeded);
}
public VisualFaultTree(FaultTrees.FT.FaultTreeNode _rootFaultTree)
{
InitializeComponent();
_pictureBoxGraphics = pbVisualTree.CreateGraphics();
DrawAreaSize = pbVisualTree.Size;
this.MouseWheel += new MouseEventHandler(Form1_MouseWheel);
_graphicalTree = new TreeRendererFaultTree();
ResetUI();
if (tmrDraw.Enabled)
{
GC.Collect();
}
// _treeDataType = _graphicalTree.GetType().GetGenericArguments()[0];
// CheckScrollBars();
tmrDraw.Enabled = true;
_graphicalTree.Add(_rootFaultTree);
CheckScrollBars();
}
/// <summary>
/// Clears the tree by removing the reference to the root node
/// </summary>
public void Clear()
{
_rootNode = null;
_numOfElements = 0;
}
