Merge pull request #1121 from nanoric/openApp

[Add] 新增openApp系列函数

vnpy/trader/uiMainWindow.py

@@ -190,9 +190,21 @@ class MainWindow(QtWidgets.QMainWindow):
         return action
 
     #----------------------------------------------------------------------
-    def createOpenAppFunction(self, appDetail):
-        """创建打开应用UI的函数"""
-        def openAppFunction():
+    def openApp(self, appModule):
+        """打开一个app，这个app必须是MainEngine.addApp添加过的"""
+        name = appModule.appName
+        return self.openAppByName(name)
+
+    #----------------------------------------------------------------------
+    def openAppByName(self, appName):
+        detail = [i for i in self.appDetailList if i['appName'] == appName][0]
+        return self.openAppByDetail(detail)
+
+    #----------------------------------------------------------------------
+    def openAppByDetail(self, appDetail):
+        """打开一个app
+        :return 返回app的窗口
+        """
         appName = appDetail['appName']
         try:
             self.widgetDict[appName].show()
@@ -200,6 +212,14 @@ class MainWindow(QtWidgets.QMainWindow):
             appEngine = self.mainEngine.getApp(appName)
             self.widgetDict[appName] = appDetail['appWidget'](appEngine, self.eventEngine)
             self.widgetDict[appName].show()
+        return self.widgetDict[appName]
+
+    #----------------------------------------------------------------------
+    def createOpenAppFunction(self, appDetail):
+        """创建打开应用UI的函数"""
+    
+        def openAppFunction():
+            return self.openAppByDetail(appDetail)
     
         return openAppFunction