[Commit-gnuradio] [gnuradio] 07/08: grc: fix lagging drag and drop, round two

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jcorgan pushed a commit to branch maint
in repository gnuradio.

commit ca4d8ff0c4efb685cfd4b13a33f6640cc7e44fa1
Author: Sebastian Koslowski <address@hidden>
Date:   Wed Oct 1 21:01:31 2014 +0200

    grc: fix lagging drag and drop, round two
---
 grc/base/Port.py | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/grc/base/Port.py b/grc/base/Port.py
index 34766bb..761369d 100644
--- a/grc/base/Port.py
+++ b/grc/base/Port.py
@@ -38,6 +38,8 @@ class Port(Element):
         self._type = n['type']
         self._hide = n.find('hide') or ''
         self._dir = dir
+        self._type_evaluated = ''  # updated on rewrite()
+        self._hide_evaluated = False  # updated on rewrite()
 
     def validate(self):
         """
@@ -48,6 +50,13 @@ class Port(Element):
         if self.get_type() not in self.get_types():
             self.add_error_message('Type "%s" is not a possible 
type.'%self.get_type())
 
+    def rewrite(self):
+        """resolve dependencies in for type and hide"""
+        Element.rewrite(self)
+        self._type_evaluated = 
self.get_parent().resolve_dependencies(self._type)
+        hide = 
self.get_parent().resolve_dependencies(self._hide).strip().lower()
+        self._hide_evaluated = False if hide in ('false', 'off', '0') else 
bool(hide)
+
     def __str__(self):
         if self.is_source():
             return 'Source - %s(%s)'%(self.get_name(), self.get_key())
@@ -73,10 +82,8 @@ class Port(Element):
     def get_key(self): return self._key
     def is_sink(self): return self._dir == 'sink'
     def is_source(self): return self._dir == 'source'
-    def get_type(self): return 
self.get_parent().resolve_dependencies(self._type)
-    def get_hide(self):
-        value = 
self.get_parent().resolve_dependencies(self._hide).strip().lower()
-        return False if value in ('false', 'off', '0') else bool(value)
+    def get_type(self): return self._type_evaluated
+    def get_hide(self): return self._hide_evaluated
 
     def get_connections(self):
         """