private void SelectValue()
{
if (ItemList.ContainsKey(myValue))
{
TreeViewItemEx item = ItemList[myValue];
item.IsSelected = true;
if (!item.IsVisible)
{
if (item.Parent is TreeViewItemEx)
{
TreeViewItemEx p = (TreeViewItemEx)item.Parent;
while (p != null)
{
p.IsExpanded = true;
if (p.Parent is TreeViewItemEx)
{
p = (TreeViewItemEx)p.Parent;
}
else
{
p = null;
}
}
}
}
}
else
{
if (SelectedItem != null)
{
TreeViewItemEx item = (TreeViewItemEx)this.SelectedItem;
item.IsSelected = false;
}
}
}
public void ContextMenuOpening(TreeViewItemEx sender, ContextMenuEventArgs e)
{
ActivityHarness.ContextMenuPublisher = this;
myContextKey = sender.ID;
myContextType = sender.Type;
var elementList = new XElement[2];
var contextElement = CreateRequestElement(Common.Requests.TreeContext);
contextElement.SetAttributeValue(Common.IDAttrib, myContextKey);
contextElement.SetAttributeValue(Common.Data.RowType, myContextType);
//contextElement.SetAttributeValue(Common.SetIdFromContextAttribute, "1");
SetContextObject(contextElement);
elementList[0] = contextElement;
var xmenu = CreateRequestElement(Common.Requests.ContextMenu);
xmenu.SetAttribute("Type", "recursiveList");
elementList[1] = xmenu;
_controlHarness.SendXml(elementList);
}
private TreeViewItemEx ProcessTreeBranch(XElement branch, XNode types, string selectedType, int selectedId, ref TreeViewItemEx selectedNode)
{
TreeViewItemEx returnVal = null;
// Get the text, id, type and hasChildren attributes
string theText = branch.GetAttribute("text");
if (isSinglePopulate)
{
theText = branch.GetAttribute("value");
}
int theId = 0;
int.TryParse(branch.GetAttribute(Common.IDAttrib), out theId);
string tooltip = branch.GetAttribute("tooltip");
string theType = branch.GetAttribute(Common.Data.RowType);
// Determine if the node is to have children (display a + sign)
bool hasChildren = false;
if (isSinglePopulate)
{
hasChildren = branch.HasElements;
}
else
{
hasChildren = Common.boolValue(branch.GetAttribute("hasChildren"));
}
// If no children, just add a single node.
// If there are to be children (but none passed in the XML), create a dummy child.
// Otherwise, process each child separately and add as a child to this node.
if (!hasChildren)
{
returnVal = new TreeViewItemEx(this, theId, theType, theText, tooltip, false);
}
else
{
if (!isSinglePopulate && (branch.FirstNode == null || !(branch.FirstNode is XElement)))
{
returnVal = new TreeViewItemEx(this, theId, theType, theText, tooltip, false);
}
else
{
returnVal = new TreeViewItemEx(this, theId, theType, theText, tooltip, true);
XElement leaf = (XElement)branch.FirstNode;
while (leaf != null)
{
TreeViewItemEx treeBranch = ProcessTreeBranch(leaf, types, selectedType, selectedId, ref selectedNode);
returnVal.Items.Add(treeBranch);
ItemList.Add(treeBranch.ID, treeBranch);
leaf = (XElement)leaf.NextNode;
}
returnVal.ChildrenFetched = true;
}
}
// Set the selectedNode if it's a match
if (theType == selectedType && theId == selectedId)
{
selectedNode = returnVal;
}
return(returnVal);
}
public void PublishData(XElement publishElement)
{
this.Items.Clear();
myItemList = null;
if (Common.boolValue(publishElement.GetAttribute("clearOnly")))
{
return;
}
// Get the type and row nodes
XElement typeNodes = null;
XElement rowNodes = null;
XElement childNode = (XElement)publishElement.FirstNode;
while (childNode != null)
{
if (childNode.Name == "Types")
{
typeNodes = childNode;
}
else if (childNode.Name == Common.Data.Rows)
{
rowNodes = childNode;
}
childNode = (XElement)childNode.NextNode;
}
if (rowNodes == null)
{
return;
}
// The server may indicate the ID and type of node to select
string selectedType = ((XElement)rowNodes).GetAttribute("selectedType");
int selectedId = myValue;
if (((XElement)rowNodes).GetAttribute("selectedId").Length > 0)
{
selectedId = int.Parse(((XElement)rowNodes).GetAttribute("selectedId"));
}
TreeViewItemEx selectedNode = null;
// Add the branches to the tree, setting the selectedNode if it is in the branch
XElement rowNode = (XElement)rowNodes.FirstNode;
while (rowNode != null)
{
TreeViewItemEx treeBranch = ProcessTreeBranch(rowNode, typeNodes, selectedType, selectedId, ref selectedNode);
this.Items.Add(treeBranch);
this.ItemList.Add(treeBranch.ID, treeBranch);
rowNode = (XElement)rowNode.NextNode;
}
// Select the selectedNode, or the first node if selectedNode is null
try
{
if (selectedNode == null && Items.Count > 0)
{
((TreeViewItemEx)this.Items[0]).IsExpanded = true;
}
if (selectedNode != null)
{
selectedNode.IsSelected = true;
}
}
catch (Exception ex) { ApplicationEx.DebugException(ex); }
}
