--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/VirtualEnv/VirtualenvManagerDialog.py Sun Jun 10 16:55:39 2018 +0200
@@ -0,0 +1,210 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2018 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a dialog to manage the list of defined virtual
+environments.
+"""
+
+from __future__ import unicode_literals
+
+from PyQt5.QtCore import pyqtSlot, Qt
+from PyQt5.QtWidgets import QDialog, QTreeWidgetItem, QHeaderView
+
+from .Ui_VirtualenvManagerDialog import Ui_VirtualenvManagerDialog
+
+
+class VirtualenvManagerDialog(QDialog, Ui_VirtualenvManagerDialog):
+ """
+ Class implementing a dialog to manage the list of defined virtual
+ environments.
+ """
+ def __init__(self, manager, parent=None):
+ """
+ Constructor
+
+ @param manager reference to the virtual environment manager
+ @type VirtualenvManager
+ @param parent reference to the parent widget
+ @type QWidget
+ """
+ super(VirtualenvManagerDialog, self).__init__(parent)
+ self.setupUi(self)
+
+ self.__manager = manager
+
+ self.__populateVenvList()
+ self.__updateButtons()
+
+ self.venvList.header().setSortIndicator(0, Qt.AscendingOrder)
+
+ def __updateButtons(self):
+ """
+ Private method to update the enabled state of the various buttons.
+ """
+ selectedItemsCount = len(self.venvList.selectedItems())
+ topLevelItemCount = self.venvList.topLevelItemCount()
+
+ canBeDeleted = (
+ selectedItemsCount == 1 and
+ self.venvList.selectedItems()[0].text(0) != "<default>"
+ )
+ canAllBeDeleted = (
+ topLevelItemCount == 1 and
+ self.venvList.topLevelItem(0).text(0) != "<default>"
+ )
+
+ self.editButton.setEnabled(selectedItemsCount == 1)
+ self.removeButton.setEnabled(selectedItemsCount > 1 or canBeDeleted)
+ self.removeAllButton.setEnabled(
+ topLevelItemCount > 1 or canAllBeDeleted)
+ self.deleteButton.setEnabled(selectedItemsCount > 1 or canBeDeleted)
+ self.deleteAllButton.setEnabled(
+ topLevelItemCount > 1 or canAllBeDeleted)
+
+ @pyqtSlot()
+ def on_addButton_clicked(self):
+ """
+ Private slot to add a new entry.
+ """
+ from .VirtualenvAddEditDialog import VirtualenvAddEditDialog
+ dlg = VirtualenvAddEditDialog(self.__manager)
+ if dlg.exec_() == QDialog.Accepted:
+ venvName, venvDirectory, venvInterpreter = dlg.getData()
+
+ self.__manager.addVirtualEnv(venvName, venvDirectory,
+ venvInterpreter)
+
+ @pyqtSlot()
+ def on_newButton_clicked(self):
+ """
+ Private slot to create a new virtual environment.
+ """
+ self.__manager.createVirtualEnv()
+
+ @pyqtSlot()
+ def on_editButton_clicked(self):
+ """
+ Private slot to edit the selected entry.
+ """
+ selectedItem = self.venvList.selectedItems()[0]
+ oldVenvName = selectedItem.text(0)
+
+ from .VirtualenvAddEditDialog import VirtualenvAddEditDialog
+ dlg = VirtualenvAddEditDialog(self.__manager, selectedItem.text(0),
+ selectedItem.text(1),
+ selectedItem.text(2))
+ if dlg.exec_() == QDialog.Accepted:
+ venvName, venvDirectory, venvInterpreter = dlg.getData()
+ if venvName != oldVenvName:
+ self.__manager.renameVirtualEnv(
+ oldVenvName, venvName, venvDirectory, venvInterpreter)
+ else:
+ self.__manager.setVirtualEnv(
+ venvName, venvDirectory, venvInterpreter)
+
+ @pyqtSlot()
+ def on_removeButton_clicked(self):
+ """
+ Private slot to remove all selected entries from the list but keep
+ their directories.
+ """
+ selectedVenvs = []
+ for itm in self.venvList.selectedItems():
+ selectedVenvs.append(itm.text(0))
+
+ if selectedVenvs:
+ self.__manager.removeVirtualEnvs(selectedVenvs)
+
+ @pyqtSlot()
+ def on_removeAllButton_clicked(self):
+ """
+ Private slot to remove all entries from the list but keep their
+ directories.
+ """
+ venvNames = []
+ for index in range(self.venvList.topLevelItemCount()):
+ itm = self.venvList.topLevelItem(index)
+ venvNames.append(itm.text(0))
+
+ if venvNames:
+ self.__manager.removeVirtualEnvs(venvNames)
+
+ @pyqtSlot()
+ def on_deleteButton_clicked(self):
+ """
+ Private slot to delete all selected entries from the list and disk.
+ """
+ selectedVenvs = []
+ for itm in self.venvList.selectedItems():
+ selectedVenvs.append(itm.text(0))
+
+ if selectedVenvs:
+ self.__manager.deleteVirtualEnvs(selectedVenvs)
+
+ @pyqtSlot()
+ def on_deleteAllButton_clicked(self):
+ """
+ Private slot to delete all entries from the list and disk.
+ """
+ venvNames = []
+ for index in range(self.venvList.topLevelItemCount()):
+ itm = self.venvList.topLevelItem(index)
+ venvNames.append(itm.text(0))
+
+ if venvNames:
+ self.__manager.deleteVirtualEnvs(venvNames)
+
+ @pyqtSlot()
+ def on_venvList_itemSelectionChanged(self):
+ """
+ Private slot handling a change of the selected items.
+ """
+ self.__updateButtons()
+
+ @pyqtSlot()
+ def refresh(self):
+ """
+ Public slot to refresh the list of shown items.
+ """
+ # 1. remember selected entries
+ selectedVenvs = []
+ for itm in self.venvList.selectedItems():
+ selectedVenvs.append(itm.text(0))
+
+ # 2. clear the list
+ self.venvList.clear()
+
+ # 3. re-populate the list
+ self.__populateVenvList()
+
+ # 4. re-establish selection
+ for venvName in selectedVenvs:
+ itms = self.venvList.findItems(venvName, Qt.MatchExactly, 0)
+ if itms:
+ itms[0].setSelected(True)
+
+ def __populateVenvList(self):
+ """
+ Private method to populate the list of virtual environments.
+ """
+ environments = self.__manager.getEnvironmentEntries()
+ for venvName in environments:
+ QTreeWidgetItem(self.venvList, [
+ venvName,
+ environments[venvName][0],
+ environments[venvName][1],
+ ])
+
+ self.__resizeSections()
+
+ def __resizeSections(self):
+ """
+ Private method to resize the sections of the environment list to their
+ contents.
+ """
+ self.venvList.header().resizeSections(
+ QHeaderView.ResizeToContents)
+ self.venvList.header().setStretchLastSection(True)
