added select all button and functionality

tools/cfg_util/cfg_util_qt/general/__init__.py

@@ -0,0 +1,20 @@
+from tools.cfg_util.cfg_util_qt.layout import window, TABLE_KEYS
+
+
+def btn_all(table, selected):
+    if table in TABLE_KEYS["table"]:
+        if len(selected) == len(window[table].Values):
+            window[table].update(select_rows=())
+        else:
+            window[table].update(
+                select_rows=([row for row in range(len(window[table].Values))])
+            )
+
+    if table in TABLE_KEYS["tree"]:
+        if len(selected) == len(window[table].Widget.get_children()):
+            _tree = window[table]
+            _tree.Widget.selection_set([])
+        else:
+            _tree = window[table]
+            rows_to_select = [i for i in _tree.Widget.get_children()]
+            _tree.Widget.selection_set(rows_to_select)