public int Compare(object x, object y)
{
TreeNodeHelper tnhx = (TreeNodeHelper)x;
TreeNodeHelper tnhy = (TreeNodeHelper)y;
return(m_comparer.Compare(tnhx.Ward, tnhy.Ward));
}
public void TestTreeNodeHelperBasics()
{
string ja0 = "Joseph Adams 1654-1736";
string ja1 = "John Adams Sr, 1690-1761";
string ja2 = "John Adams, Jr 1735-1826";
string aa1 = "Abigail Adams 1765-1813";
string jqa = "John Quincy Adams 1767-1848";
string gwa = "George Washington Adams b. 1801";
string ja3 = "John Adams, III b. 1803";
string cfa = "Charles Francis Adams b. 1807";
string lca = "Louisa Catherine Adams b. 1811";
string sa = "Susanna Adams 1768-1770";
string ca = "Charles Adams b. 1770";
string tba = "Thomas Boylston Adams b. 1772";
TreeNodeHelper root = new TreeNodeHelper(ja0, false, false);
TreeNodeHelper child = (TreeNodeHelper)root.AddChild(ja1);
TreeNodeHelper gchild = (TreeNodeHelper)child.AddChild(ja2);
gchild.AddChild(aa1);
gchild.AddChild(sa);
gchild.AddChild(ca);
gchild.AddChild(tba);
TreeNodeHelper ggchild = (TreeNodeHelper)gchild.AddChild(jqa);
ggchild.AddChild(gwa);
ggchild.AddChild(ja3);
ggchild.AddChild(cfa);
ggchild.AddChild(lca);
string result = root.ToStringDeep();
_Debug.Assert(AdamsResult.Equals(result), "TestTreeNodeHelperBasics");
}
/// <summary>
/// Creates a TreeNodeHelper with the indicated object as its ward. It is read-only or auto-indexed according to the
/// </summary>
/// <param name="ward">The object that this TreeNodeHelper is helping. If the ward is derived from TreeNodeHelper, use 'this'.</param>
/// <param name="readOnly">True if this TreeNodeHelper cannot change the tree structure.</param>
/// <param name="autoIndex">True if all children will be implementers of IHasIdentity, and should be indexed for the GetChild(Guid childID) API.</param>
public TreeNodeHelper(object ward, bool readOnly, bool autoIndex)
{
Ward = ward;
m_parent = null;
m_children = null;
m_childFinder = null;
IsReadOnly = readOnly;
m_autoIndex = autoIndex;
}
public void TestReadOnlyTreeNodeHelperBasics()
{
string ja0 = "Joseph Adams 1654-1736";
string ja1 = "John Adams Sr, 1690-1761";
string ja2 = "John Adams, Jr 1735-1826";
string aa1 = "Abigail Adams 1765-1813";
string jqa = "John Quincy Adams 1767-1848";
string gwa = "George Washington Adams b. 1801";
string ja3 = "John Adams, III b. 1803";
string cfa = "Charles Francis Adams b. 1807";
string lca = "Louisa Catherine Adams b. 1811";
string sa = "Susanna Adams 1768-1770";
string ca = "Charles Adams b. 1770";
string tba = "Thomas Boylston Adams b. 1772";
TreeNodeHelper root = new TreeNodeHelper(ja0, false, false);
TreeNodeHelper child = (TreeNodeHelper)root.AddChild(ja1);
child = (TreeNodeHelper)child.AddChild(ja2);
child.AddChild(aa1);
child.AddChild(sa);
child.AddChild(ca);
child.AddChild(tba);
TreeNodeHelper jqaNode = (TreeNodeHelper)child.AddChild(jqa);
jqaNode.AddChild(gwa);
jqaNode.AddChild(ja3);
jqaNode.AddChild(cfa);
jqaNode.AddChild(lca);
jqaNode.SetReadOnly(true);
bool blewUp = false;
try {
jqaNode.AddChild("Alfred E. Neuman 1971-1977");
} catch (ArgumentException) {
blewUp = true;
}
_Debug.Assert(blewUp, "TestReadOnlyTreeNodeHelperBasics");
string result = jqaNode.GetRoot().ToStringDeep();
Console.WriteLine(result);
_Debug.Assert(AdamsResult.Equals(result), "TestReadOnlyTreeNodeHelperBasics");
}
private void Dump(ref System.Text.StringBuilder sb, int levels, ITreeNode parent)
{
for (int i = 0; i < levels; i++)
{
sb.Append("\t");
}
TreeNodeHelper helper = parent as TreeNodeHelper;
if (helper != null)
{
sb.Append(helper.Ward + "\r\n");
}
else
{
sb.Append(parent + "\r\n");
}
foreach (ITreeNode child in parent.Children)
{
Dump(ref sb, levels + 1, child);
}
}
public void TestTreeNodeHelperChildSequencing()
{
string ja0 = "Joseph Adams 1654-1736";
string ja1 = "John Adams Sr, 1690-1761";
string ja2 = "John Adams, Jr 1735-1826";
string aa1 = "Abigail Adams 1765-1813";
string jqa = "John Quincy Adams 1767-1848";
string gwa = "George Washington Adams b. 1801";
string ja3 = "John Adams, III b. 1803";
string cfa = "Charles Francis Adams b. 1807";
string lca = "Louisa Catherine Adams b. 1811";
string sa = "Susanna Adams 1768-1770";
string ca = "Charles Adams b. 1770";
string tba = "Thomas Boylston Adams b. 1772";
TreeNodeHelper root = new TreeNodeHelper(ja0, false, false);
TreeNodeHelper child = (TreeNodeHelper)root.AddChild(ja1);
child = (TreeNodeHelper)child.AddChild(ja2);
child.AddChild(aa1);
child.AddChild(sa);
child.AddChild(ca);
child.AddChild(tba);
TreeNodeHelper jqaNode = (TreeNodeHelper)child.AddChild(jqa);
jqaNode.AddChild(gwa);
jqaNode.AddChild(ja3);
jqaNode.AddChild(cfa);
jqaNode.AddChild(lca);
jqaNode.ResequenceChildren(Comparer.Default);
string result = jqaNode.GetRoot().ToStringDeep();
Console.WriteLine(result);
_Debug.Assert(AdamsResultJQAChildrenSequenced.Equals(result), "TestTreeNodeHelperChildSequencing");
}
protected void WasRemoved(TreeNodeHelper newOrphan)
{
OnWasRemoved?.Invoke(this, newOrphan);
}
protected void AboutToBeRemoved(TreeNodeHelper childInTheCrosshairs)
{
OnAboutToBeRemoved?.Invoke(this, childInTheCrosshairs);
}
protected void _OnLostChild(TreeNodeHelper newChild)
{
OnLostChild?.Invoke(this, newChild);
}
protected void _OnAboutToLoseChild(TreeNodeHelper newChild)
{
OnAboutToLoseChild?.Invoke(this, newChild);
}