1 files changed, 47 insertions, 0 deletions
diff --git a/tree/addNode.go b/tree/addNode.go
new file mode 100644
index 0000000..8c0a789
--- /dev/null
+++ b/tree/addNode.go
@@ -0,0 +1,47 @@
+package tree
+
+import (
+	"errors"
+
+	"go.wit.com/log"
+	"go.wit.com/gui/widget"
+)
+
+// this is in common.go, do not move it
+func (me *TreeInfo) AddNode(a *widget.Action) *Node {
+	n := new(Node)
+	n.WidgetType = a.WidgetType
+	n.WidgetId = a.WidgetId
+	n.ParentId = a.ParentId
+
+	n.State = a.State
+	n.Strings = make(map[string]int)
+
+	if (a.WidgetType == widget.Root) {
+		log.Info("AddNode() Root")
+		n.Parent = n
+		me.treeRoot = n
+		return n
+	}
+
+	if (me.treeRoot.FindWidgetId(a.WidgetId) != nil) {
+		log.Warn("AddNode() WidgetId already exists", a.WidgetId)
+		log.Warn("probably this is a Show() / Hide() issue")
+		log.Warn("TODO: figure out what to do here")
+		return me.treeRoot.FindWidgetId(a.WidgetId)
+	}
+
+	// add this new widget on the binary tree
+	p := me.treeRoot.FindWidgetId(a.ParentId)
+	n.Parent = p
+	if n.Parent == nil {
+		log.Error(errors.New("tree.AddNode() ERROR n.Parent == nil"), a.WidgetId, a.ParentId, a.ActionType)
+		log.Warn("AddNode() ERROR n.Parent == nil", a.WidgetId, a.ParentId, a.ActionType)
+		log.Warn("AddNode() ERROR n.Parent == nil", a.WidgetId, a.ParentId, a.WidgetType)
+		return n
+	}
+	log.Warn("AddNode() Adding to parent =", p.ParentId, p.WidgetType, p.GetProgName())
+	log.Warn("AddNode() Adding     child =", n.ParentId, n.WidgetType, n.GetProgName())
+	p.children = append(p.children, n)
+	return n
+}