Mercurial Repositories > eric / file comparison
comparison: VirtualEnv/VirtualenvManagerDialog.py
VirtualEnv/VirtualenvManagerDialog.py
- changeset 6338
- 104ee21d765d
- child 6349
- 17b3c75913de
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| 6337:c6af560e0039 | 6338:104ee21d765d |
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2018 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a dialog to manage the list of defined virtual | |
| 8 environments. | |
| 9 """ | |
| 10 | |
| 11 from __future__ import unicode_literals | |
| 12 | |
| 13 from PyQt5.QtCore import pyqtSlot, Qt | |
| 14 from PyQt5.QtWidgets import QDialog, QTreeWidgetItem, QHeaderView | |
| 15 | |
| 16 from .Ui_VirtualenvManagerDialog import Ui_VirtualenvManagerDialog | |
| 17 | |
| 18 | |
| 19 class VirtualenvManagerDialog(QDialog, Ui_VirtualenvManagerDialog): | |
| 20 """ | |
| 21 Class implementing a dialog to manage the list of defined virtual | |
| 22 environments. | |
| 23 """ | |
| 24 def __init__(self, manager, parent=None): | |
| 25 """ | |
| 26 Constructor | |
| 27 | |
| 28 @param manager reference to the virtual environment manager | |
| 29 @type VirtualenvManager | |
| 30 @param parent reference to the parent widget | |
| 31 @type QWidget | |
| 32 """ | |
| 33 super(VirtualenvManagerDialog, self).__init__(parent) | |
| 34 self.setupUi(self) | |
| 35 | |
| 36 self.__manager = manager | |
| 37 | |
| 38 self.__populateVenvList() | |
| 39 self.__updateButtons() | |
| 40 | |
| 41 self.venvList.header().setSortIndicator(0, Qt.AscendingOrder) | |
| 42 | |
| 43 def __updateButtons(self): | |
| 44 """ | |
| 45 Private method to update the enabled state of the various buttons. | |
| 46 """ | |
| 47 selectedItemsCount = len(self.venvList.selectedItems()) | |
| 48 topLevelItemCount = self.venvList.topLevelItemCount() | |
| 49 | |
| 50 canBeDeleted = ( | |
| 51 selectedItemsCount == 1 and | |
| 52 self.venvList.selectedItems()[0].text(0) != "<default>" | |
| 53 ) | |
| 54 canAllBeDeleted = ( | |
| 55 topLevelItemCount == 1 and | |
| 56 self.venvList.topLevelItem(0).text(0) != "<default>" | |
| 57 ) | |
| 58 | |
| 59 self.editButton.setEnabled(selectedItemsCount == 1) | |
| 60 self.removeButton.setEnabled(selectedItemsCount > 1 or canBeDeleted) | |
| 61 self.removeAllButton.setEnabled( | |
| 62 topLevelItemCount > 1 or canAllBeDeleted) | |
| 63 self.deleteButton.setEnabled(selectedItemsCount > 1 or canBeDeleted) | |
| 64 self.deleteAllButton.setEnabled( | |
| 65 topLevelItemCount > 1 or canAllBeDeleted) | |
| 66 | |
| 67 @pyqtSlot() | |
| 68 def on_addButton_clicked(self): | |
| 69 """ | |
| 70 Private slot to add a new entry. | |
| 71 """ | |
| 72 from .VirtualenvAddEditDialog import VirtualenvAddEditDialog | |
| 73 dlg = VirtualenvAddEditDialog(self.__manager) | |
| 74 if dlg.exec_() == QDialog.Accepted: | |
| 75 venvName, venvDirectory, venvInterpreter = dlg.getData() | |
| 76 | |
| 77 self.__manager.addVirtualEnv(venvName, venvDirectory, | |
| 78 venvInterpreter) | |
| 79 | |
| 80 @pyqtSlot() | |
| 81 def on_newButton_clicked(self): | |
| 82 """ | |
| 83 Private slot to create a new virtual environment. | |
| 84 """ | |
| 85 self.__manager.createVirtualEnv() | |
| 86 | |
| 87 @pyqtSlot() | |
| 88 def on_editButton_clicked(self): | |
| 89 """ | |
| 90 Private slot to edit the selected entry. | |
| 91 """ | |
| 92 selectedItem = self.venvList.selectedItems()[0] | |
| 93 oldVenvName = selectedItem.text(0) | |
| 94 | |
| 95 from .VirtualenvAddEditDialog import VirtualenvAddEditDialog | |
| 96 dlg = VirtualenvAddEditDialog(self.__manager, selectedItem.text(0), | |
| 97 selectedItem.text(1), | |
| 98 selectedItem.text(2)) | |
| 99 if dlg.exec_() == QDialog.Accepted: | |
| 100 venvName, venvDirectory, venvInterpreter = dlg.getData() | |
| 101 if venvName != oldVenvName: | |
| 102 self.__manager.renameVirtualEnv( | |
| 103 oldVenvName, venvName, venvDirectory, venvInterpreter) | |
| 104 else: | |
| 105 self.__manager.setVirtualEnv( | |
| 106 venvName, venvDirectory, venvInterpreter) | |
| 107 | |
| 108 @pyqtSlot() | |
| 109 def on_removeButton_clicked(self): | |
| 110 """ | |
| 111 Private slot to remove all selected entries from the list but keep | |
| 112 their directories. | |
| 113 """ | |
| 114 selectedVenvs = [] | |
| 115 for itm in self.venvList.selectedItems(): | |
| 116 selectedVenvs.append(itm.text(0)) | |
| 117 | |
| 118 if selectedVenvs: | |
| 119 self.__manager.removeVirtualEnvs(selectedVenvs) | |
| 120 | |
| 121 @pyqtSlot() | |
| 122 def on_removeAllButton_clicked(self): | |
| 123 """ | |
| 124 Private slot to remove all entries from the list but keep their | |
| 125 directories. | |
| 126 """ | |
| 127 venvNames = [] | |
| 128 for index in range(self.venvList.topLevelItemCount()): | |
| 129 itm = self.venvList.topLevelItem(index) | |
| 130 venvNames.append(itm.text(0)) | |
| 131 | |
| 132 if venvNames: | |
| 133 self.__manager.removeVirtualEnvs(venvNames) | |
| 134 | |
| 135 @pyqtSlot() | |
| 136 def on_deleteButton_clicked(self): | |
| 137 """ | |
| 138 Private slot to delete all selected entries from the list and disk. | |
| 139 """ | |
| 140 selectedVenvs = [] | |
| 141 for itm in self.venvList.selectedItems(): | |
| 142 selectedVenvs.append(itm.text(0)) | |
| 143 | |
| 144 if selectedVenvs: | |
| 145 self.__manager.deleteVirtualEnvs(selectedVenvs) | |
| 146 | |
| 147 @pyqtSlot() | |
| 148 def on_deleteAllButton_clicked(self): | |
| 149 """ | |
| 150 Private slot to delete all entries from the list and disk. | |
| 151 """ | |
| 152 venvNames = [] | |
| 153 for index in range(self.venvList.topLevelItemCount()): | |
| 154 itm = self.venvList.topLevelItem(index) | |
| 155 venvNames.append(itm.text(0)) | |
| 156 | |
| 157 if venvNames: | |
| 158 self.__manager.deleteVirtualEnvs(venvNames) | |
| 159 | |
| 160 @pyqtSlot() | |
| 161 def on_venvList_itemSelectionChanged(self): | |
| 162 """ | |
| 163 Private slot handling a change of the selected items. | |
| 164 """ | |
| 165 self.__updateButtons() | |
| 166 | |
| 167 @pyqtSlot() | |
| 168 def refresh(self): | |
| 169 """ | |
| 170 Public slot to refresh the list of shown items. | |
| 171 """ | |
| 172 # 1. remember selected entries | |
| 173 selectedVenvs = [] | |
| 174 for itm in self.venvList.selectedItems(): | |
| 175 selectedVenvs.append(itm.text(0)) | |
| 176 | |
| 177 # 2. clear the list | |
| 178 self.venvList.clear() | |
| 179 | |
| 180 # 3. re-populate the list | |
| 181 self.__populateVenvList() | |
| 182 | |
| 183 # 4. re-establish selection | |
| 184 for venvName in selectedVenvs: | |
| 185 itms = self.venvList.findItems(venvName, Qt.MatchExactly, 0) | |
| 186 if itms: | |
| 187 itms[0].setSelected(True) | |
| 188 | |
| 189 def __populateVenvList(self): | |
| 190 """ | |
| 191 Private method to populate the list of virtual environments. | |
| 192 """ | |
| 193 environments = self.__manager.getEnvironmentEntries() | |
| 194 for venvName in environments: | |
| 195 QTreeWidgetItem(self.venvList, [ | |
| 196 venvName, | |
| 197 environments[venvName][0], | |
| 198 environments[venvName][1], | |
| 199 ]) | |
| 200 | |
| 201 self.__resizeSections() | |
| 202 | |
| 203 def __resizeSections(self): | |
| 204 """ | |
| 205 Private method to resize the sections of the environment list to their | |
| 206 contents. | |
| 207 """ | |
| 208 self.venvList.header().resizeSections( | |
| 209 QHeaderView.ResizeToContents) | |
| 210 self.venvList.header().setStretchLastSection(True) |
