public static List <SciterElement> TreeNavigateTo(SciterElement origin_el, bool tree_nav)
{
Debug.Assert(origin_el != null);
List <SciterElement> elstack = new List <SciterElement>();
List <uint> uidstack = new List <uint>();
List <string> tagnames = new List <string>();
SciterElement el_it = origin_el;
do
{
elstack.Add(el_it);
tagnames.Add(el_it.TagName());
uidstack.Add(el_it.UID);
var el_parent = el_it.Parent;
if (el_parent == null)
{
return(null);
}
el_it = el_parent;
} while(el_it._he != State.g_el_frameroot._he);
uidstack.Reverse();
tagnames.Reverse();
SciterValue sv_uid = new SciterValue(origin_el.UID);
SciterValue sv_uidstack = SciterValue.FromList(uidstack);
SciterValue sv_tagnames = SciterValue.FromList(tagnames);
if (tree_nav)
{
dbg_on_navigate = true;
el_tree.CallMethod("NavigateToPath", sv_uid, sv_uidstack); // does not generate Event.SELECT_SELECTION_CHANGED
dbg_on_navigate = false;
}
WidgetTreePath.Instance.RecreateTagPath(origin_el.UID, uidstack, tagnames);
SciterValue sv_details = Inspecting.ElemDetails();
if (sv_details != null && !sv_details.IsUndefined) // happens while waiting for CONTENT_CHANGED arriving
{
el_tree.CallMethod("RenderDetails", sv_details);
}
return(elstack);
}
protected override bool OnScriptCall(SciterElement se, string name, SciterValue[] args, out SciterValue result)
{
result = null;
switch (name)
{
case "Host_OnOptionSelect":
{
Debug.Assert(dbg_on_navigate == false);
uint uid = (uint)el_tree.Value.Get(0);
SciterElement el_origin = App.AppWindow.ElementByUID(uid);
Inspecting.PageElemInspect(el_origin, false);
return(true);
}
case "Host_OnOptionDelete":
{
uint uid = (uint)el_tree.Value.Get(0);
SciterElement el_origin = App.AppWindow.ElementByUID(uid);
if (el_origin != State.g_el_frameroot[0]) // not allowed to delete <html>
{
el_origin.Delete();
}
Inspecting.PageElemRemoveHighlight(); // avoids an A/V
return(true);
}
case "Host_OnOptionHover":
{
uint uid = (uint)args[0].Get(0);
SciterElement el_origin = App.AppWindow.ElementByUID(uid);
if (el_origin != null) // happens when deleting element and the mouse is over it in the DOM tree
{
Inspecting.PageElemHighlight(el_origin);
}
return(true);
}
case "Host_OnEndHover":
Inspecting.PageElemRemoveHighlight();
return(true);
case "Host_OnTagPathClick":
el_tree.Value = args[0];
el_tree.SendEvent((uint)SciterXBehaviors.BEHAVIOR_EVENTS.SELECT_SELECTION_CHANGED);
return(true);
}
return(false);
}