/// <summary> Saves the settings of the <paramref name="nodes"/> and returns this control state </summary>
private Pair[] SaveNodesStateRecursive(WebTreeNodeCollection nodes)
{
Pair[] nodesState = new Pair[nodes.Count];
for (int i = 0; i < nodes.Count; i++)
{
WebTreeNode node = (WebTreeNode)nodes[i];
Pair nodeState = new Pair();
object[] values = new object[10];
values[0] = node.ItemID;
values[1] = node.IsExpanded;
values[2] = node.IsEvaluated;
values[3] = node.IsSelected;
values[4] = node.MenuID;
values[5] = node.Text;
values[6] = node.ToolTip;
values[7] = node.Icon;
if (node is BusinessObjectTreeNode)
{
values[8] = ((BusinessObjectTreeNode)node).PropertyIdentifier;
values[9] = true;
}
else
{
values[9] = false;
}
nodeState.First = values;
nodeState.Second = SaveNodesStateRecursive(node.Children);
nodesState[i] = nodeState;
}
return(nodesState);
}
private void ApplyNodesControlStateRecursive(Pair[] nodesState, WebTreeNodeCollection nodes)
{
for (int i = 0; i < nodesState.Length; i++)
{
Pair nodeState = nodesState[i];
object[] values = (object[])nodeState.First;
string itemID = (string)values[0];
WebTreeNode node = nodes.Find(itemID);
if (node != null)
{
if (!node.IsEvaluated)
{
bool isEvaluated = (bool)values[2];
if (isEvaluated)
{
node.EvaluateExpand();
}
}
if (node.IsEvaluated)
{
bool isExpanded = (bool)values[1];
node.IsExpanded = isExpanded;
if (node.Children.Count == 0)
{
node.IsExpanded = false;
}
}
ApplyNodesControlStateRecursive((Pair[])nodeState.Second, node.Children);
}
}
}
private void ExpandTreeNodes(WebTreeNodeCollection webTreeNodeCollection)
{
foreach (WebTreeNode treeNode in webTreeNodeCollection)
{
treeNode.EvaluateExpand();
ExpandTreeNodes(treeNode.Children);
}
}
/// <summary> Loads the settings of the <paramref name="nodes"/> from <paramref name="nodesState"/>. </summary>
private void LoadNodesControlStateRecursive(Pair[] nodesState, WebTreeNodeCollection nodes)
{
for (int i = 0; i < nodesState.Length; i++)
{
Pair nodeState = nodesState[i];
object[] values = (object[])nodeState.First;
string itemID = (string)values[0];
bool isExpanded = (bool)values[1];
bool isEvaluated = (bool)values[2];
bool isSelected = (bool)values[3];
string menuID = (string)values[4];
string text = (string)values[5];
string toolTip = (string)values[6];
IconInfo icon = (IconInfo)values[7];
bool isBusinessObjectTreeNode = (bool)values[9];
WebTreeNode node;
if (isBusinessObjectTreeNode)
{
node = new BusinessObjectTreeNode(itemID, text, toolTip, icon, null, null);
string propertyIdentifier = (string)values[8];
((BusinessObjectTreeNode)node).PropertyIdentifier = propertyIdentifier;
}
else
{
node = new BusinessObjectPropertyTreeNode(itemID, text, toolTip, icon, null);
}
node.IsExpanded = isExpanded;
node.IsEvaluated = isEvaluated;
if (isSelected)
{
node.IsSelected = true;
}
node.MenuID = menuID;
nodes.Add(node);
LoadNodesControlStateRecursive((Pair[])nodeState.Second, node.Children);
}
}
