Data source management

build_ui.sh

@@ -1,4 +1,8 @@
 #!/bin/bash
 
-/usr/bin/pyuic5 ui/mainwindow.ui > src/nailab/ui_gen/mainwindow.py
+/usr/bin/pyuic5 ui/csvdatasourceconfigwidget.ui > src/nailab/ui_gen/csvdatasourceconfigwidget.py
+/usr/bin/pyuic5 ui/mainwindow.ui > src/nailab/ui_gen/mainwindow.py.py
+/usr/bin/pyuic5 ui/newdatasourcedialog.ui > src/nailab/ui_gen/newdatasourcedialog.py
 /usr/bin/pyuic5 ui/strategywidget.ui > src/nailab/ui_gen/strategywidget.py
+
+

src/nailab/data/csvfolderdatasource.py

@@ -11,10 +11,19 @@ class CsvFolderDataSource(DataSource):
     def __init__(self, name, path):
         super().__init__(name)
 
+        self.type = "csv"
+
         self.path = path
         self.feeds = []
         self._discover_feeds()
 
+    @classmethod
+    def deserialize(self, data):
+        return CsvFolderDataSource(data[0], data[1])
+
+    def serialize(self):
+        return (self.name, self.path)
+
     def available_feeds(self):
         return [f[1] for f in self.feeds]
 

src/nailab/data/datasourcemanager.py

@@ -6,11 +6,19 @@ class DataSourceManager:
     def __init__(self):
         self.sources = []
 
-    def save_sources(self):
-        pass
+    def save_sources(self, settings):
+        serialized = []
+        for source in self.sources:
+            serialized.append((source.type, source.serialize()))
+        settings.setValue("data_sources", serialized)
 
-    def load_sources(self):
-        self.add_source(CsvFolderDataSource('default', '/tmp'))
+    def load_sources(self, settings):
+        self.sources = []
+        serialized = settings.value("data_sources")
+        if serialized is not None:
+            for s in serialized:
+                if s[0] == "csv":
+                    self.add_source(CsvFolderDataSource.deserialize(s[1]))
 
     def add_source(self, source):
         self.sources.append(source)
@@ -21,6 +29,12 @@ class DataSourceManager:
                 return source
         return None
 
+    def remove_source(self, name):
+        for source in self.sources:
+            if source.name == name:
+                self.sources.remove(source)
+                return
+
     def all_sources(self):
         return self.sources[:]
 

src/nailab/ui/csvdatasourceconfigwidget.py

@@ -0,0 +1,19 @@
+
+from PyQt5 import QtCore, QtGui, QtWidgets
+from PyQt5.Qsci import *
+
+from ui_gen.csvdatasourceconfigwidget import Ui_CSVDataSourceConfigWidget
+
+class CSVDataSourceConfigWidget(QtWidgets.QWidget):
+
+    def __init__(self, parent=None):
+        super().__init__(parent)
+
+        self.ui = Ui_CSVDataSourceConfigWidget()
+        self.ui.setupUi(self)
+
+    def browse(self):
+        dirname = QtWidgets.QFileDialog.getExistingDirectory(self, self.tr("Select a directory..."), "", QtWidgets.QFileDialog.ShowDirsOnly)
+        if dirname != "":
+            self.ui.e_path.setText(dirname)
+    

src/nailab/ui/mainwindow.py

@@ -23,7 +23,7 @@ class MainWindow(QtWidgets.QMainWindow):
 
         self.sources = []
         self.datasourcemanager = DataSourceManager()
-        self.datasourcemanager.load_sources()
+        self.datasourcemanager.load_sources(QtCore.QSettings())
 
         self.ui = Ui_MainWindow()
         self.ui.setupUi(self)
@@ -62,16 +62,15 @@ class MainWindow(QtWidgets.QMainWindow):
             try:
                 selected_feeds.append(self.datasourcemanager.get_source(source_id).get_feed(feed_id))
             except e:
-                print('Error: ' + str(e))
+                self.ui.tabs.currentWidget().setError("Error: " + str(e))
 
         try:
             result = executor.execute_from_file(source_file, selected_feeds, self.ui.tabs.currentWidget().get_time_window())
             print(result)
             self.ui.tabs.currentWidget().set_result(result)
         except Exception as e:
-            print(e)
+            self.ui.tabs.currentWidget().setError(str(e))
             
-        
     def tabCloseRequested(self, tab_index):
         del self.sources[tab_index]
         self.ui.tabs.widget(tab_index).save_state()

src/nailab/ui/newdatasourcedialog.py

@@ -0,0 +1,24 @@
+
+from PyQt5 import QtCore, QtGui, QtWidgets
+from PyQt5.Qsci import *
+
+from ui_gen.newdatasourcedialog import Ui_NewDataSourceDialog
+from ui.csvdatasourceconfigwidget import CSVDataSourceConfigWidget
+
+from data.csvfolderdatasource import CsvFolderDataSource
+
+class NewDataSourceDialog(QtWidgets.QDialog):
+
+    def __init__(self, parent):
+        super().__init__(parent)
+
+        self.ui = Ui_NewDataSourceDialog()
+        self.ui.setupUi(self)
+
+        index = self.ui.widgets.addWidget(CSVDataSourceConfigWidget())
+        self.ui.widgets.setCurrentIndex(index)
+
+    def get_data_source(self):
+        return CsvFolderDataSource(self.ui.e_sourceName.text(), self.ui.widgets.currentWidget().ui.e_path.text())
+
+    

src/nailab/ui/strategywidget.py

@@ -4,6 +4,8 @@ from PyQt5.Qsci import *
 
 from ui_gen.strategywidget import Ui_StrategyWidget
 
+from ui.newdatasourcedialog import NewDataSourceDialog
+
 ROLE_FEED_ID = QtCore.Qt.UserRole + 1
 
 class StrategyWidget(QtWidgets.QWidget):
@@ -16,7 +18,10 @@ class StrategyWidget(QtWidgets.QWidget):
 
         self.source_file = source_file
 
+        s = QtCore.QSettings()
+
         self.datasourcemanager = datasourcemanager
+        self.datasourcemanager.load_sources(s)
         self.update_feeds_list()
 
         self.ui.splitter.setSizes([20, 80])
@@ -37,20 +42,49 @@ class StrategyWidget(QtWidgets.QWidget):
         self.result = []
         self.result_widget = None
 
-        s = QtCore.QSettings()
-        if s.value("time_window") is not None:
-            (from_time, to_time) = s.value("time_window")
-            self.ui.rb_timeWindow.setChecked(True)
-            self.ui.dte_from.setDateTime(from_time)
-            self.ui.dte_to.setDateTime(to_time)
+        try:
+            if s.value("time_window") is not None:
+                (from_time, to_time) = s.value("time_window")
+                self.ui.rb_timeWindow.setChecked(True)
+                self.ui.dte_from.setDateTime(from_time)
+                self.ui.dte_to.setDateTime(to_time)
+
+            self.ui.splitter.restoreState(s.value("strategy_widget_splitter_state"))
+            self.ui.splitter_editor.restoreState(s.value("strategy_widget_splitter_editor_state"))
+
+        except Exception as e:
+            print("Exception: ", e)
+
+    def addDataSource(self):
+        dlg = NewDataSourceDialog(self)
+        if dlg.exec() == QtWidgets.QDialog.Accepted:
+            self.datasourcemanager.add_source(dlg.get_data_source())
+            self.update_feeds_list()
+
+    def deleteDataSource(self):
+        selected = self.ui.tw_feeds.selectedItems()
+        for s in selected:
+            if self.ui.tw_feeds.indexOfTopLevelItem(s) >= 0:
+                name = s.data(0, ROLE_FEED_ID)
+                if name is not None:
+                    self.datasourcemanager.remove_source(name[0])
+        self.update_feeds_list()
+
+    def refreshDataSources(self):
+        self.update_feeds_list()
 
     def save_state(self):
         s = QtCore.QSettings()
+        self.datasourcemanager.save_sources(s)
         if self.ui.rb_allData.isChecked():
             s.setValue("time_window", None)
         else:
             s.setValue("time_window", (self.ui.dte_from.dateTime(), self.ui.dte_to.dateTime()))
 
+        s.setValue("strategy_widget_splitter_state", self.ui.splitter.saveState())
+        s.setValue("strategy_widget_splitter_editor_state", self.ui.splitter_editor.saveState())
+        
+
     def save(self):
         with open(self.source_file, "w") as f:
             f.write(self.ui.editor.text())
@@ -62,11 +96,12 @@ class StrategyWidget(QtWidgets.QWidget):
             return (self.ui.dte_from.dateTime(), self.ui.dte_to.dateTime())
 
     def update_feeds_list(self):
+        self.ui.tw_feeds.clear()
         sources = self.datasourcemanager.all_sources()
         for source in sources:
             src_item = QtWidgets.QTreeWidgetItem(self.ui.tw_feeds)
             src_item.setText(0, source.name)
-            src_item.setData(0, ROLE_FEED_ID, "")
+            src_item.setData(0, ROLE_FEED_ID, (source.name, ""))
             for feed in source.available_feeds():
                 feed_item = QtWidgets.QTreeWidgetItem(src_item)
                 feed_item.setText(0, feed)
@@ -155,6 +190,7 @@ class StrategyWidget(QtWidgets.QWidget):
 
         self.result_widget.resizeColumnToContents(0)
 
-
-        
+    def setError(self, errmsg):
+        self.ui.te_notes.clear()
+        self.ui.te_notes.appendPlainText(errmsg)
 

src/nailab/ui_gen/csvdatasourceconfigwidget.py

@@ -0,0 +1,48 @@
+# -*- coding: utf-8 -*-
+
+# Form implementation generated from reading ui file 'ui/csvdatasourceconfigwidget.ui'
+#
+# Created by: PyQt5 UI code generator 5.5.1
+#
+# WARNING! All changes made in this file will be lost!
+
+from PyQt5 import QtCore, QtGui, QtWidgets
+
+class Ui_CSVDataSourceConfigWidget(object):
+    def setupUi(self, CSVDataSourceConfigWidget):
+        CSVDataSourceConfigWidget.setObjectName("CSVDataSourceConfigWidget")
+        CSVDataSourceConfigWidget.resize(529, 313)
+        self.gridLayout = QtWidgets.QGridLayout(CSVDataSourceConfigWidget)
+        self.gridLayout.setObjectName("gridLayout")
+        self.label = QtWidgets.QLabel(CSVDataSourceConfigWidget)
+        self.label.setObjectName("label")
+        self.gridLayout.addWidget(self.label, 0, 0, 1, 1)
+        self.e_path = QtWidgets.QLineEdit(CSVDataSourceConfigWidget)
+        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Fixed)
+        sizePolicy.setHorizontalStretch(0)
+        sizePolicy.setVerticalStretch(0)
+        sizePolicy.setHeightForWidth(self.e_path.sizePolicy().hasHeightForWidth())
+        self.e_path.setSizePolicy(sizePolicy)
+        self.e_path.setObjectName("e_path")
+        self.gridLayout.addWidget(self.e_path, 0, 1, 1, 1)
+        self.b_browse = QtWidgets.QPushButton(CSVDataSourceConfigWidget)
+        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Fixed)
+        sizePolicy.setHorizontalStretch(0)
+        sizePolicy.setVerticalStretch(0)
+        sizePolicy.setHeightForWidth(self.b_browse.sizePolicy().hasHeightForWidth())
+        self.b_browse.setSizePolicy(sizePolicy)
+        self.b_browse.setObjectName("b_browse")
+        self.gridLayout.addWidget(self.b_browse, 0, 2, 1, 1)
+        spacerItem = QtWidgets.QSpacerItem(20, 40, QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding)
+        self.gridLayout.addItem(spacerItem, 1, 0, 1, 1)
+
+        self.retranslateUi(CSVDataSourceConfigWidget)
+        self.b_browse.clicked.connect(CSVDataSourceConfigWidget.browse)
+        QtCore.QMetaObject.connectSlotsByName(CSVDataSourceConfigWidget)
+
+    def retranslateUi(self, CSVDataSourceConfigWidget):
+        _translate = QtCore.QCoreApplication.translate
+        CSVDataSourceConfigWidget.setWindowTitle(_translate("CSVDataSourceConfigWidget", "Form"))
+        self.label.setText(_translate("CSVDataSourceConfigWidget", "CSV folder path"))
+        self.b_browse.setText(_translate("CSVDataSourceConfigWidget", "..."))
+

src/nailab/ui_gen/mainwindow.py.py

@@ -0,0 +1,77 @@
+# -*- coding: utf-8 -*-
+
+# Form implementation generated from reading ui file 'ui/mainwindow.ui'
+#
+# Created by: PyQt5 UI code generator 5.5.1
+#
+# WARNING! All changes made in this file will be lost!
+
+from PyQt5 import QtCore, QtGui, QtWidgets
+
+class Ui_MainWindow(object):
+    def setupUi(self, MainWindow):
+        MainWindow.setObjectName("MainWindow")
+        MainWindow.resize(1060, 587)
+        self.centralwidget = QtWidgets.QWidget(MainWindow)
+        self.centralwidget.setObjectName("centralwidget")
+        self.gridLayout = QtWidgets.QGridLayout(self.centralwidget)
+        self.gridLayout.setContentsMargins(3, 3, 3, 3)
+        self.gridLayout.setObjectName("gridLayout")
+        self.tabs = QtWidgets.QTabWidget(self.centralwidget)
+        self.tabs.setTabsClosable(True)
+        self.tabs.setObjectName("tabs")
+        self.gridLayout.addWidget(self.tabs, 0, 0, 1, 1)
+        MainWindow.setCentralWidget(self.centralwidget)
+        self.menubar = QtWidgets.QMenuBar(MainWindow)
+        self.menubar.setGeometry(QtCore.QRect(0, 0, 1060, 19))
+        self.menubar.setObjectName("menubar")
+        self.menuFile = QtWidgets.QMenu(self.menubar)
+        self.menuFile.setObjectName("menuFile")
+        self.menuBacktest = QtWidgets.QMenu(self.menubar)
+        self.menuBacktest.setObjectName("menuBacktest")
+        MainWindow.setMenuBar(self.menubar)
+        self.statusbar = QtWidgets.QStatusBar(MainWindow)
+        self.statusbar.setObjectName("statusbar")
+        MainWindow.setStatusBar(self.statusbar)
+        self.toolBar = QtWidgets.QToolBar(MainWindow)
+        self.toolBar.setObjectName("toolBar")
+        MainWindow.addToolBar(QtCore.Qt.TopToolBarArea, self.toolBar)
+        self.actionOpenTrades = QtWidgets.QAction(MainWindow)
+        self.actionOpenTrades.setObjectName("actionOpenTrades")
+        self.actionNew_strategy = QtWidgets.QAction(MainWindow)
+        self.actionNew_strategy.setObjectName("actionNew_strategy")
+        self.actionOpen_strategy = QtWidgets.QAction(MainWindow)
+        self.actionOpen_strategy.setObjectName("actionOpen_strategy")
+        self.actionExecute = QtWidgets.QAction(MainWindow)
+        self.actionExecute.setObjectName("actionExecute")
+        self.actionSave_strategy = QtWidgets.QAction(MainWindow)
+        self.actionSave_strategy.setObjectName("actionSave_strategy")
+        self.menuFile.addAction(self.actionNew_strategy)
+        self.menuFile.addAction(self.actionOpen_strategy)
+        self.menuBacktest.addAction(self.actionExecute)
+        self.menubar.addAction(self.menuFile.menuAction())
+        self.menubar.addAction(self.menuBacktest.menuAction())
+        self.toolBar.addAction(self.actionSave_strategy)
+        self.toolBar.addAction(self.actionExecute)
+
+        self.retranslateUi(MainWindow)
+        self.tabs.setCurrentIndex(-1)
+        self.actionOpen_strategy.triggered.connect(MainWindow.openStrategy)
+        self.tabs.tabCloseRequested['int'].connect(MainWindow.tabCloseRequested)
+        self.actionNew_strategy.triggered.connect(MainWindow.newStrategy)
+        self.actionExecute.triggered.connect(MainWindow.executeStrategy)
+        self.actionSave_strategy.triggered.connect(MainWindow.saveStrategy)
+        QtCore.QMetaObject.connectSlotsByName(MainWindow)
+
+    def retranslateUi(self, MainWindow):
+        _translate = QtCore.QCoreApplication.translate
+        MainWindow.setWindowTitle(_translate("MainWindow", "Nailab"))
+        self.menuFile.setTitle(_translate("MainWindow", "File"))
+        self.menuBacktest.setTitle(_translate("MainWindow", "Backtest"))
+        self.toolBar.setWindowTitle(_translate("MainWindow", "toolBar"))
+        self.actionOpenTrades.setText(_translate("MainWindow", "Open..."))
+        self.actionNew_strategy.setText(_translate("MainWindow", "New strategy"))
+        self.actionOpen_strategy.setText(_translate("MainWindow", "Open strategy"))
+        self.actionExecute.setText(_translate("MainWindow", "Execute"))
+        self.actionSave_strategy.setText(_translate("MainWindow", "Save strategy"))
+

src/nailab/ui_gen/newdatasourcedialog.py

@@ -0,0 +1,60 @@
+# -*- coding: utf-8 -*-
+
+# Form implementation generated from reading ui file 'ui/newdatasourcedialog.ui'
+#
+# Created by: PyQt5 UI code generator 5.5.1
+#
+# WARNING! All changes made in this file will be lost!
+
+from PyQt5 import QtCore, QtGui, QtWidgets
+
+class Ui_NewDataSourceDialog(object):
+    def setupUi(self, NewDataSourceDialog):
+        NewDataSourceDialog.setObjectName("NewDataSourceDialog")
+        NewDataSourceDialog.resize(786, 334)
+        self.gridLayout = QtWidgets.QGridLayout(NewDataSourceDialog)
+        self.gridLayout.setObjectName("gridLayout")
+        self.widgets = QtWidgets.QStackedWidget(NewDataSourceDialog)
+        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Preferred, QtWidgets.QSizePolicy.Expanding)
+        sizePolicy.setHorizontalStretch(0)
+        sizePolicy.setVerticalStretch(0)
+        sizePolicy.setHeightForWidth(self.widgets.sizePolicy().hasHeightForWidth())
+        self.widgets.setSizePolicy(sizePolicy)
+        self.widgets.setObjectName("widgets")
+        self.gridLayout.addWidget(self.widgets, 3, 0, 1, 2)
+        self.e_sourceName = QtWidgets.QLineEdit(NewDataSourceDialog)
+        self.e_sourceName.setObjectName("e_sourceName")
+        self.gridLayout.addWidget(self.e_sourceName, 0, 1, 1, 1)
+        self.label = QtWidgets.QLabel(NewDataSourceDialog)
+        self.label.setObjectName("label")
+        self.gridLayout.addWidget(self.label, 1, 0, 1, 1)
+        self.cb_sourceType = QtWidgets.QComboBox(NewDataSourceDialog)
+        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.MinimumExpanding, QtWidgets.QSizePolicy.Fixed)
+        sizePolicy.setHorizontalStretch(0)
+        sizePolicy.setVerticalStretch(0)
+        sizePolicy.setHeightForWidth(self.cb_sourceType.sizePolicy().hasHeightForWidth())
+        self.cb_sourceType.setSizePolicy(sizePolicy)
+        self.cb_sourceType.setObjectName("cb_sourceType")
+        self.cb_sourceType.addItem("")
+        self.gridLayout.addWidget(self.cb_sourceType, 1, 1, 1, 1)
+        self.label_2 = QtWidgets.QLabel(NewDataSourceDialog)
+        self.label_2.setObjectName("label_2")
+        self.gridLayout.addWidget(self.label_2, 0, 0, 1, 1)
+        self.buttonBox = QtWidgets.QDialogButtonBox(NewDataSourceDialog)
+        self.buttonBox.setStandardButtons(QtWidgets.QDialogButtonBox.Cancel|QtWidgets.QDialogButtonBox.Ok)
+        self.buttonBox.setObjectName("buttonBox")
+        self.gridLayout.addWidget(self.buttonBox, 4, 0, 1, 2)
+
+        self.retranslateUi(NewDataSourceDialog)
+        self.widgets.setCurrentIndex(-1)
+        self.buttonBox.accepted.connect(NewDataSourceDialog.accept)
+        self.buttonBox.rejected.connect(NewDataSourceDialog.reject)
+        QtCore.QMetaObject.connectSlotsByName(NewDataSourceDialog)
+
+    def retranslateUi(self, NewDataSourceDialog):
+        _translate = QtCore.QCoreApplication.translate
+        NewDataSourceDialog.setWindowTitle(_translate("NewDataSourceDialog", "New data source"))
+        self.label.setText(_translate("NewDataSourceDialog", "Data source type"))
+        self.cb_sourceType.setItemText(0, _translate("NewDataSourceDialog", "CSV"))
+        self.label_2.setText(_translate("NewDataSourceDialog", "Data source name"))
+

src/nailab/ui_gen/strategywidget.py

@@ -29,6 +29,22 @@ class Ui_StrategyWidget(object):
         self.gridLayoutWidget.setObjectName("gridLayoutWidget")
         self.gridLayout_2 = QtWidgets.QGridLayout(self.gridLayoutWidget)
         self.gridLayout_2.setObjectName("gridLayout_2")
+        self.horizontalLayout = QtWidgets.QHBoxLayout()
+        self.horizontalLayout.setObjectName("horizontalLayout")
+        self.b_addSource = QtWidgets.QPushButton(self.gridLayoutWidget)
+        self.b_addSource.setObjectName("b_addSource")
+        self.horizontalLayout.addWidget(self.b_addSource)
+        spacerItem = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
+        self.horizontalLayout.addItem(spacerItem)
+        self.b_refresh = QtWidgets.QPushButton(self.gridLayoutWidget)
+        self.b_refresh.setObjectName("b_refresh")
+        self.horizontalLayout.addWidget(self.b_refresh)
+        spacerItem1 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
+        self.horizontalLayout.addItem(spacerItem1)
+        self.b_deleteSource = QtWidgets.QPushButton(self.gridLayoutWidget)
+        self.b_deleteSource.setObjectName("b_deleteSource")
+        self.horizontalLayout.addWidget(self.b_deleteSource)
+        self.gridLayout_2.addLayout(self.horizontalLayout, 5, 0, 1, 2)
         self.dte_to = QtWidgets.QDateTimeEdit(self.gridLayoutWidget)
         self.dte_to.setObjectName("dte_to")
         self.gridLayout_2.addWidget(self.dte_to, 3, 1, 1, 1)
@@ -48,6 +64,7 @@ class Ui_StrategyWidget(object):
         sizePolicy.setVerticalStretch(0)
         sizePolicy.setHeightForWidth(self.tw_feeds.sizePolicy().hasHeightForWidth())
         self.tw_feeds.setSizePolicy(sizePolicy)
+        self.tw_feeds.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
         self.tw_feeds.setSelectionMode(QtWidgets.QAbstractItemView.MultiSelection)
         self.tw_feeds.setHeaderHidden(True)
         self.tw_feeds.setObjectName("tw_feeds")
@@ -64,7 +81,10 @@ class Ui_StrategyWidget(object):
         self.rb_timeWindow = QtWidgets.QRadioButton(self.gridLayoutWidget)
         self.rb_timeWindow.setObjectName("rb_timeWindow")
         self.gridLayout_2.addWidget(self.rb_timeWindow, 1, 0, 1, 2)
-        self.editor = Qsci.QsciScintilla(self.splitter)
+        self.splitter_editor = QtWidgets.QSplitter(self.splitter)
+        self.splitter_editor.setOrientation(QtCore.Qt.Vertical)
+        self.splitter_editor.setObjectName("splitter_editor")
+        self.editor = Qsci.QsciScintilla(self.splitter_editor)
         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Preferred)
         sizePolicy.setHorizontalStretch(0)
         sizePolicy.setVerticalStretch(0)
@@ -72,17 +92,25 @@ class Ui_StrategyWidget(object):
         self.editor.setSizePolicy(sizePolicy)
         self.editor.setMinimumSize(QtCore.QSize(300, 0))
         self.editor.setObjectName("editor")
+        self.te_notes = QtWidgets.QPlainTextEdit(self.splitter_editor)
+        self.te_notes.setObjectName("te_notes")
         self.gridLayout.addWidget(self.splitter, 0, 0, 1, 1)
         self.tabs.addTab(self.tab, "")
         self.gridLayout_3.addWidget(self.tabs, 0, 0, 1, 1)
 
         self.retranslateUi(StrategyWidget)
         self.tabs.setCurrentIndex(0)
+        self.b_addSource.clicked.connect(StrategyWidget.addDataSource)
+        self.b_deleteSource.clicked.connect(StrategyWidget.deleteDataSource)
+        self.b_refresh.clicked.connect(StrategyWidget.refreshDataSources)
         QtCore.QMetaObject.connectSlotsByName(StrategyWidget)
 
     def retranslateUi(self, StrategyWidget):
         _translate = QtCore.QCoreApplication.translate
         StrategyWidget.setWindowTitle(_translate("StrategyWidget", "Form"))
+        self.b_addSource.setText(_translate("StrategyWidget", "Add source"))
+        self.b_refresh.setText(_translate("StrategyWidget", "Refresh"))
+        self.b_deleteSource.setText(_translate("StrategyWidget", "Delete source"))
         self.dte_to.setDisplayFormat(_translate("StrategyWidget", "dd.MM.yyyy H:mm"))
         self.dte_from.setDisplayFormat(_translate("StrategyWidget", "dd.MM.yyyy H:mm"))
         self.label_2.setText(_translate("StrategyWidget", "To"))

ui/csvdatasourceconfigwidget.ui

@@ -0,0 +1,84 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>CSVDataSourceConfigWidget</class>
+ <widget class="QWidget" name="CSVDataSourceConfigWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>529</width>
+    <height>313</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="0" column="0">
+    <widget class="QLabel" name="label">
+     <property name="text">
+      <string>CSV folder path</string>
+     </property>
+    </widget>
+   </item>
+   <item row="0" column="1">
+    <widget class="QLineEdit" name="e_path">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+    </widget>
+   </item>
+   <item row="0" column="2">
+    <widget class="QPushButton" name="b_browse">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="text">
+      <string>...</string>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="0">
+    <spacer name="verticalSpacer">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>20</width>
+       <height>40</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>b_browse</sender>
+   <signal>clicked()</signal>
+   <receiver>CSVDataSourceConfigWidget</receiver>
+   <slot>browse()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>482</x>
+     <y>27</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>494</x>
+     <y>47</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+ <slots>
+  <slot>browse()</slot>
+ </slots>
+</ui>

ui/mainwindow.ui

@@ -45,7 +45,7 @@
      <x>0</x>
      <y>0</y>
      <width>1060</width>
-     <height>23</height>
+     <height>19</height>
     </rect>
    </property>
    <widget class="QMenu" name="menuFile">

ui/newdatasourcedialog.ui

@@ -0,0 +1,106 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>NewDataSourceDialog</class>
+ <widget class="QDialog" name="NewDataSourceDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>786</width>
+    <height>334</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>New data source</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="3" column="0" colspan="2">
+    <widget class="QStackedWidget" name="widgets">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Preferred" vsizetype="Expanding">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="currentIndex">
+      <number>-1</number>
+     </property>
+    </widget>
+   </item>
+   <item row="0" column="1">
+    <widget class="QLineEdit" name="e_sourceName"/>
+   </item>
+   <item row="1" column="0">
+    <widget class="QLabel" name="label">
+     <property name="text">
+      <string>Data source type</string>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="1">
+    <widget class="QComboBox" name="cb_sourceType">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <item>
+      <property name="text">
+       <string>CSV</string>
+      </property>
+     </item>
+    </widget>
+   </item>
+   <item row="0" column="0">
+    <widget class="QLabel" name="label_2">
+     <property name="text">
+      <string>Data source name</string>
+     </property>
+    </widget>
+   </item>
+   <item row="4" column="0" colspan="2">
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>NewDataSourceDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>623</x>
+     <y>323</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>600</x>
+     <y>333</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>NewDataSourceDialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>563</x>
+     <y>317</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>461</x>
+     <y>331</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>

ui/strategywidget.ui

@@ -55,6 +55,57 @@
          </property>
          <widget class="QWidget" name="gridLayoutWidget">
           <layout class="QGridLayout" name="gridLayout_2">
+           <item row="5" column="0" colspan="2">
+            <layout class="QHBoxLayout" name="horizontalLayout">
+             <item>
+              <widget class="QPushButton" name="b_addSource">
+               <property name="text">
+                <string>Add source</string>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <spacer name="horizontalSpacer">
+               <property name="orientation">
+                <enum>Qt::Horizontal</enum>
+               </property>
+               <property name="sizeHint" stdset="0">
+                <size>
+                 <width>40</width>
+                 <height>20</height>
+                </size>
+               </property>
+              </spacer>
+             </item>
+             <item>
+              <widget class="QPushButton" name="b_refresh">
+               <property name="text">
+                <string>Refresh</string>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <spacer name="horizontalSpacer_2">
+               <property name="orientation">
+                <enum>Qt::Horizontal</enum>
+               </property>
+               <property name="sizeHint" stdset="0">
+                <size>
+                 <width>40</width>
+                 <height>20</height>
+                </size>
+               </property>
+              </spacer>
+             </item>
+             <item>
+              <widget class="QPushButton" name="b_deleteSource">
+               <property name="text">
+                <string>Delete source</string>
+               </property>
+              </widget>
+             </item>
+            </layout>
+           </item>
            <item row="3" column="1">
             <widget class="QDateTimeEdit" name="dte_to">
              <property name="displayFormat">
@@ -94,6 +145,9 @@
                <verstretch>0</verstretch>
               </sizepolicy>
              </property>
+             <property name="contextMenuPolicy">
+              <enum>Qt::CustomContextMenu</enum>
+             </property>
              <property name="selectionMode">
               <enum>QAbstractItemView::MultiSelection</enum>
              </property>
@@ -129,19 +183,25 @@
            </item>
           </layout>
          </widget>
-         <widget class="QsciScintilla" name="editor" native="true">
-          <property name="sizePolicy">
-           <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
-            <horstretch>0</horstretch>
-            <verstretch>0</verstretch>
-           </sizepolicy>
-          </property>
-          <property name="minimumSize">
-           <size>
-            <width>300</width>
-            <height>0</height>
-           </size>
+         <widget class="QSplitter" name="splitter_editor">
+          <property name="orientation">
+           <enum>Qt::Vertical</enum>
           </property>
+          <widget class="QsciScintilla" name="editor" native="true">
+           <property name="sizePolicy">
+            <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
+             <horstretch>0</horstretch>
+             <verstretch>0</verstretch>
+            </sizepolicy>
+           </property>
+           <property name="minimumSize">
+            <size>
+             <width>300</width>
+             <height>0</height>
+            </size>
+           </property>
+          </widget>
+          <widget class="QPlainTextEdit" name="te_notes"/>
          </widget>
         </widget>
        </item>
@@ -160,5 +220,59 @@
   </customwidget>
  </customwidgets>
  <resources/>
- <connections/>
+ <connections>
+  <connection>
+   <sender>b_addSource</sender>
+   <signal>clicked()</signal>
+   <receiver>StrategyWidget</receiver>
+   <slot>addDataSource()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>73</x>
+     <y>553</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>90</x>
+     <y>568</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>b_deleteSource</sender>
+   <signal>clicked()</signal>
+   <receiver>StrategyWidget</receiver>
+   <slot>deleteDataSource()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>393</x>
+     <y>551</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>363</x>
+     <y>568</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>b_refresh</sender>
+   <signal>clicked()</signal>
+   <receiver>StrategyWidget</receiver>
+   <slot>refreshDataSources()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>201</x>
+     <y>545</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>225</x>
+     <y>569</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+ <slots>
+  <slot>addDataSource()</slot>
+  <slot>deleteDataSource()</slot>
+  <slot>refreshDataSources()</slot>
+ </slots>
 </ui>