Switch individual quirks on and off

dataobjs.py

@@ -49,8 +49,13 @@ class pesterQuirk(object):
             raise ValueError("Quirks must be given a dictionary")
         self.quirk = quirk
         self.type = self.quirk["type"]
+        if "on" not in self.quirk:
+            self.quirk["on"] = True
+        self.on = self.quirk["on"]
     def apply(self, string, first=False, last=False):
-        if self.type == "prefix":
+        if not self.on:
+            return string
+        elif self.type == "prefix":
             return self.quirk["value"] + string
         elif self.type == "suffix":
             return string + self.quirk["value"]

menus.py

@@ -37,6 +37,22 @@ class PesterQuirkList(QtGui.QListWidget):
         self.setDragEnabled(True)
         self.setDragDropMode(QtGui.QAbstractItemView.InternalMove)
 
+    def addItem(self, item):
+        self.connect(self, QtCore.SIGNAL('itemChanged(QListWidgetItem *)'),
+                     self, QtCore.SLOT('changeCheckState()'))
+        item.setFlags(item.flags() | QtCore.Qt.ItemIsUserCheckable | QtCore.Qt.ItemIsEnabled)
+        if item.quirk.on:
+            item.setCheckState(2)
+        else:
+            item.setCheckState(0)
+        QtGui.QListWidget.addItem(self, item)
+
+    @QtCore.pyqtSlot()
+    def changeCheckState(self):
+        item = self.currentItem()
+        if not item: return
+        item.quirk.quirk["on"] = item.quirk.on = (item.checkState() == QtCore.Qt.Checked)
+
     def currentQuirk(self):
         return self.item(self.currentRow())