修复若干bug

vn.trader/riskManager/RM_setting.json

@@ -1,7 +1,7 @@
 {
     "orderFlowClear": 1, 
-    "workingOrderLimit": 0, 
-    "tradeLimit": 200, 
+    "workingOrderLimit": 20, 
+    "tradeLimit": 100, 
     "orderSizeLimit": 10, 
     "active": true, 
     "orderFlowLimit": 10

vn.trader/riskManager/rmEngine.py

@@ -157,7 +157,7 @@ class RmEngine(object):
             return False
         
         # 检查总活动合约
-        workingOrderCount = len(self.mainEngine.getAllWorkingOrders)
+        workingOrderCount = len(self.mainEngine.getAllWorkingOrders())
         if workingOrderCount >= self.workingOrderLimit:
             self.writeRiskLog(u'当前活动委托数量%s，超过限制%s'
                               %(workingOrderCount, self.workingOrderLimit))

vn.trader/riskManager/uiRmWidget.py

@@ -17,10 +17,11 @@ class RmSpinBox(QtGui.QSpinBox):
     def __init__(self, value):
         """Constructor"""
         super(RmSpinBox, self).__init__()
-        self.setValue(value)
-        
+
         self.setMinimum(0)
         self.setMaximum(1000000)
+        
+        self.setValue(value)
     
     
 
@@ -107,6 +108,7 @@ class RmEngineManager(QtGui.QWidget):
         self.spinOrderFlowClear.valueChanged.connect(self.rmEngine.setOrderFlowClear)
         self.spinOrderSizeLimit.valueChanged.connect(self.rmEngine.setOrderSizeLimit)
         self.spinTradeLimit.valueChanged.connect(self.rmEngine.setTradeLimit)
+        self.spinWorkingOrderLimit.valueChanged.connect(self.rmEngine.setWorkingOrderLimit)
         
         self.buttonSwitchEngineStatus.clicked.connect(self.switchEngineSatus)
         buttonClearOrderFlowCount.clicked.connect(self.rmEngine.clearOrderFlowCount)