diff -r 000000000000 -r de9c2efb9d02 UI/PixmapCache.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/UI/PixmapCache.py Mon Dec 28 16:03:33 2009 +0000
@@ -0,0 +1,84 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2004 - 2009 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a pixmap cache for icons.
+"""
+
+import os
+
+from PyQt4.QtGui import QPixmap, QIcon
+
+class PixmapCache(object):
+ """
+ Class implementing a pixmap cache for icons.
+ """
+ def __init__(self):
+ """
+ Constructor
+ """
+ self.pixmapCache = {}
+ self.searchPath = []
+
+ def getPixmap(self, key):
+ """
+ Public method to retrieve a pixmap.
+
+ @param key name of the wanted pixmap (string)
+ @return the requested pixmap (QPixmap)
+ """
+ if key:
+ try:
+ return self.pixmapCache[key]
+ except KeyError:
+ if not os.path.isabs(key):
+ for path in self.searchPath:
+ pm = QPixmap(path + "/" + key)
+ if not pm.isNull():
+ break
+ else:
+ pm = QPixmap()
+ else:
+ pm = QPixmap(key)
+ self.pixmapCache[key] = pm
+ return self.pixmapCache[key]
+ return QPixmap()
+
+ def addSearchPath(self, path):
+ """
+ Public method to add a path to the search path.
+
+ @param path path to add (string)
+ """
+ if not path in self.searchPath:
+ self.searchPath.append(path)
+
+pixCache = PixmapCache()
+
+def getPixmap(key, cache = pixCache):
+ """
+ Module function to retrieve a pixmap.
+
+ @param key name of the wanted pixmap (string)
+ @return the requested pixmap (QPixmap)
+ """
+ return cache.getPixmap(key)
+
+def getIcon(key, cache = pixCache):
+ """
+ Module function to retrieve an icon.
+
+ @param key name of the wanted icon (string)
+ @return the requested icon (QIcon)
+ """
+ return QIcon(cache.getPixmap(key))
+
+def addSearchPath(path, cache = pixCache):
+ """
+ Module function to add a path to the search path.
+
+ @param path path to add (string)
+ """
+ cache.addSearchPath(path)
