public Hierarchy(IList <T> _grp, int rootLevel, GetLevelDelegate delegate1, IsParentDelegate delegate2, TreeNode <T> .GetTreeNodeValue delegate3)
{
mGetLevelDelegate = delegate1;
mIsParentDelegate = delegate2;
mEntities = _grp;
MaxLevel = 0;
MinLevel = 100000;
int level = 0;
foreach (T ent in mEntities)
{
level = mGetLevelDelegate(ent);
if (level > MaxLevel)
{
MaxLevel = level;
}
if (level < MinLevel)
{
MinLevel = level;
}
}
for (int i = MinLevel; i <= MaxLevel; ++i)
{
mTreeHierarchy[i] = new List <TreeNode <T> >();
}
foreach (T ent in mEntities)
{
level = mGetLevelDelegate(ent);
mTreeHierarchy[level].Add(new TreeNode <T>(ent, delegate3));
}
level = MinLevel;
while (level < MaxLevel)
{
if (level == rootLevel)
{
foreach (TreeNode <T> node in mTreeHierarchy[level])
{
node.Root = node;
}
}
foreach (TreeNode <T> node in mTreeHierarchy[level])
{
foreach (TreeNode <T> child_node in mTreeHierarchy[level + 1])
{
if (mIsParentDelegate(node.DataSource, child_node.DataSource))
{
node.AddChild(child_node);
}
}
}
level++;
}
}
/// <summary>
/// Let the caller override our delegates with their own functions...
/// </summary>
/// <param name="a_closedelegate">use this to close the logging session</param>
/// <param name="a_getleveldelegate">get the current log level</param>
/// <param name="a_opendelegate">open the logging session</param>
/// <param name="a_registertwaindelegate">not needed at this time</param>
/// <param name="a_setflushdelegate">turn flushing on and off</param>
/// <param name="a_setleveldelegate">set the new log level</param>
/// <param name="a_writeentrydelegate">the function that actually writes to the log</param>
/// <param name="a_getstatedelegate">returns a way to get the current TWAIN state</param>
public static void Override
(
CloseDelegate a_closedelegate,
GetLevelDelegate a_getleveldelegate,
OpenDelegate a_opendelegate,
RegisterTwainDelegate a_registertwaindelegate,
SetFlushDelegate a_setflushdelegate,
SetLevelDelegate a_setleveldelegate,
WriteEntryDelegate a_writeentrydelegate,
out GetStateDelegate a_getstatedelegate
)
{
Close = (a_closedelegate != null) ? a_closedelegate : CloseLocal;
GetLevel = (a_getleveldelegate != null) ? a_getleveldelegate : GetLevelLocal;
Open = (a_opendelegate != null) ? a_opendelegate : OpenLocal;
RegisterTwain = (a_registertwaindelegate != null) ? a_registertwaindelegate : RegisterTwainLocal;
SetFlush = (a_setflushdelegate != null) ? a_setflushdelegate : SetFlushLocal;
SetLevel = (a_setleveldelegate != null) ? a_setleveldelegate : SetLevelLocal;
WriteEntry = (a_writeentrydelegate != null) ? a_writeentrydelegate : WriteEntryLocal;
a_getstatedelegate = GetStateLocal;
}