private static void SelectNextTreeNode(DocumentHierarchyTreeView view)
{
if (!view.HasSelection())
{
view.SelectFirstMatch();
return;
}
view.SelectNextTreeNode();
}
public HierarchyPanel(Widget rootWidget)
{
DocumentHierarchyTreeView view;
EditBox searchStringEditor;
panelWidget = rootWidget;
this.rootWidget = new Frame {
Id = "SearchPanel",
Padding = new Thickness(5),
Layout = new VBoxLayout {
Spacing = 5
},
Nodes =
{
(searchStringEditor = new ThemedEditBox())
}
};
rootWidget.TabTravesable = new TabTraversable();
var treeView = new DocumentHierarchyTreeView(this.rootWidget, Document.Current.RootNode);
var searchTreeView = new DocumentHierarchyTreeView(this.rootWidget, Document.Current.RootNode);
searchStringEditor.AddChangeWatcher(() => searchStringEditor.Text, t => {
if (!string.IsNullOrEmpty(t))
{
if (treeView.IsAttached())
{
treeView.Detach();
searchTreeView.Attach();
view = searchTreeView;
}
searchTreeView.Filter(t.ToLower());
}
else
{
if (!searchTreeView.IsAttached())
{
return;
}
searchTreeView.Detach();
treeView.Attach();
view = treeView;
}
});
treeView.Attach();
view = treeView;
this.rootWidget.LateTasks.Add(new KeyRepeatHandler((input, key) => {
if (!keyActionMap.ContainsKey(key))
{
return;
}
input.ConsumeKey(key);
keyActionMap[key](view);
view.EnsureSelectionVisible();
Window.Current.Invalidate();
}));
}
private static void ClearSelection(DocumentHierarchyTreeView view) => view.ClearSelection();
private static void ToggleSelectedTreeNode(DocumentHierarchyTreeView view) => view.ToggleSelectedTreeNode();
private static void LeaveSelectedTreeNode(DocumentHierarchyTreeView view) => view.LeaveSelectedTreeNode();
private static void EnterSelectedTreeNode(DocumentHierarchyTreeView view) => view.EnterSelectedTreeNode();
private static void SelectPreviousTreeNode(DocumentHierarchyTreeView view) => view.SelectPreviousTreeNode();
private static void NavigateToSelectedNode(DocumentHierarchyTreeView view) => view.NavigateToSelectedNode();