public void AddDescribableTreeNode(TreeNode node)
{
RemoveDescribableTreeNode(node); // ensure no duplicate
var describedTreeNode = new DescribableTreeNode(node);
bool inserted = false;
foreach (DescribableTreeNode describableTreeNode in DescribableTreeNodes)
{
if (node.IsBefore(describableTreeNode.TreeNode))
{
var i = DescribableTreeNodes.IndexOf(describableTreeNode);
if (!m_BackupTreeNodes.Contains(describedTreeNode))
{
m_BackupTreeNodes.Insert(i, describedTreeNode);
}
DescribableTreeNodes.Insert(i, describedTreeNode);
inserted = true;
break;
}
}
if (!inserted)
{
if (!m_BackupTreeNodes.Contains(describedTreeNode))
{
m_BackupTreeNodes.Add(describedTreeNode);
}
DescribableTreeNodes.Add(describedTreeNode);
}
}
public DescribableTreeNode FindPrevious(bool select)
{
DescribableTreeNode previousMatch = FindPrevDescription(m_DescribableTreeNodes);
if (previousMatch != null)
{
var listItem = VisualLogicalTreeWalkHelper.FindObjectInVisualTreeWithMatchingType <ListViewItem>(
m_view.ListView,
child =>
{
object dc = child.GetValue(FrameworkElement.DataContextProperty);
return(dc != null && dc == previousMatch);
});
if (select)
{
previousMatch.IsSelected = true;
if (listItem != null)
{
FocusHelper.FocusBeginInvoke(listItem); //m_view.m_LastListItemSelected
}
}
else
{
if (listItem != null)
{
listItem.BringIntoView();
}
}
}
else
{
AudioCues.PlayBeep();
}
return(previousMatch);
}
private void FlagSearchMatches()
{
if (string.IsNullOrEmpty(SearchTerm))
{
foreach (DescribableTreeNode mnode in DescribableTreeNodes)
{
mnode.SearchMatch = false;
}
return;
}
bool atLeastOneFound = false;
foreach (DescribableTreeNode mnode in DescribableTreeNodes)
{
bool found = !string.IsNullOrEmpty(mnode.Description) &&
mnode.Description.IndexOf(SearchTerm, StringComparison.OrdinalIgnoreCase) >= 0;
mnode.SearchMatch = found;
if (found)
{
atLeastOneFound = true;
}
}
if (atLeastOneFound)
{
DescribableTreeNode sw = FindNext(false);
if (sw == null)
{
sw = FindPrevious(false);
}
}
}
public void UpdateTreeNodeSelectionFromListItem()
{
if (ListView.SelectedIndex >= 0)
{
DescribableTreeNode mnode = ListView.SelectedItem as DescribableTreeNode;
if (mnode == null)
{
return;
}
TreeNode treeNode = mnode.TreeNode;
if (treeNode == null)
{
return;
}
if (!m_UrakawaSession.isAudioRecording)
{
_ignoreTreeNodeSelectedEvent = true;
m_UrakawaSession.PerformTreeNodeSelection(treeNode, false, null);
}
//m_EventAggregator.GetEvent<TreeNodeSelectedEvent>().Publish(treeNode);
}
//m_DescriptionsView.Popup();
}
private static DescribableTreeNode FindPrevDescription(ObservableCollection <DescribableTreeNode> pages)
{
DescribableTreeNode pResult = null;
int iStarting = -1;
for (int i = pages.Count - 1; i >= 0; i--)
{
if (pages[i].SearchMatch && iStarting == -1)
{
iStarting = i;
}
if (!pages[i].IsSelected)
{
continue;
}
iStarting = i;
break;
}
if (iStarting < 0)
{
return(null);
}
if (!pages[iStarting].IsSelected && pages[iStarting].SearchMatch)
{
pResult = pages[iStarting];
}
if (pResult == null)
{
for (int i = iStarting - 1; i >= 0; i--)
{
if (!pages[i].SearchMatch)
{
continue;
}
pResult = pages[i];
break;
}
}
return(pResult);
}
public void RemoveDescribableTreeNode(TreeNode node)
{
DescribableTreeNode toRemove = null;
foreach (DescribableTreeNode describableTreeNode in DescribableTreeNodes)
{
if (describableTreeNode.TreeNode == node)
{
toRemove = describableTreeNode;
break;
}
}
if (toRemove != null)
{
if (m_BackupTreeNodes.Contains(toRemove))
{
m_BackupTreeNodes.Remove(toRemove);
}
DescribableTreeNodes.Remove(toRemove);
}
}