[Add] Disable maximun button

[Add] Added an icon
[Add] Popup an message if market data is fully loaded

[Mod] combobox: remove Prefix
[Mod] rename: CSV行情载入器

vnpy/app/csv_loader/__init__.py

@@ -13,4 +13,4 @@ class CsvLoaderApp(BaseApp):
     display_name = "CSV行情载入器"
     engine_class = CsvLoader
     widget_name = "CsvLoaderWidget"
-    icon_name = "cta.ico"
+    icon_name = "csv.ico"

vnpy/app/csv_loader/ui/csv_loader.ui

@@ -3,7 +3,7 @@
  <class>CsvLoader</class>
  <widget class="QDialog" name="CsvLoader">
   <property name="windowTitle">
-   <string>Csv载入器</string>
+   <string>CSV行情载入器</string>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
    <item>

vnpy/app/csv_loader/ui/csv_loader_widget.py

@@ -7,15 +7,17 @@ compile:
 pyuic5 csv_loader.ui -o uic/uic_csv_loader.py
 ```
 """
-from PyQt5.QtWidgets import QFileDialog
+from PyQt5.QtCore import Qt
+from PyQt5.QtWidgets import QFileDialog, QMessageBox
+
 from vnpy.event import EventEngine
-from vnpy.trader.constant import Interval, Exchange
+from vnpy.trader.constant import Exchange, Interval
 from vnpy.trader.engine import MainEngine
 from vnpy.trader.ui import QtWidgets
-
 from .uic.uic_csv_loader import Ui_CsvLoader
 from ..csv_loader import CsvLoader
 
+from gettext import gettext as _
 
 class CsvLoaderWidget(QtWidgets.QWidget):
     """"""
@@ -30,13 +32,17 @@ class CsvLoaderWidget(QtWidgets.QWidget):
 
     def init_ui(self):
         """"""
+        # someone ask me to disable maximum button
+        self.setWindowFlags(
+            (self.windowFlags() | Qt.CustomizeWindowHint)
+            & ~Qt.WindowMaximizeButtonHint)
         self.ui.setupUi(self)
 
         for i in Interval:
-            self.ui.interval_combo.addItem(str(i), i)
+            self.ui.interval_combo.addItem(str(i.name), i)
 
         for i in Exchange:
-            self.ui.exchange_combo.addItem(str(i), i)
+            self.ui.exchange_combo.addItem(str(i.name), i)
 
     def on_choose_button_pressed(self):
         """"""
@@ -59,3 +65,4 @@ class CsvLoaderWidget(QtWidgets.QWidget):
         self.loader.volume_head = self.ui.volume_edit.text()
 
         self.loader.load()
+        QMessageBox.information(self, _("载入成功！"), _("CSV行情载入成功！"))

vnpy/app/csv_loader/ui/uic/uic_csv_loader.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-# Form implementation generated from reading ui file 'csv_loader.ui'
+# Form implementation generated from reading ui file '../csv_loader.ui'
 #
 # Created by: PyQt5 UI code generator 5.11.3
 #
@@ -94,7 +94,7 @@ class Ui_CsvLoader(object):
 
     def retranslateUi(self, CsvLoader):
         _translate = QtCore.QCoreApplication.translate
-        CsvLoader.setWindowTitle(_translate("CsvLoader", "Csv载入器"))
+        CsvLoader.setWindowTitle(_translate("CsvLoader", "CSV行情载入器"))
         self.choose_button.setText(_translate("CsvLoader", "选择文件"))
         self.label_8.setText(_translate("CsvLoader", "合约信息"))
         self.label_9.setText(_translate("CsvLoader", "Symbol"))