Mercurial Repositories > eric / file comparison
comparison: eric6/E5Gui/E5ListSelectionDialog.py
eric6/E5Gui/E5ListSelectionDialog.py
- changeset 6942
- 2602857055c5
- parent 6645
- ad476851d7e0
- child 7229
- 53054eb5b15a
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| 6941:f99d60d6b59b | 6942:2602857055c5 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2016 - 2019 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a dialog to select from a list of strings. | |
| 8 """ | |
| 9 | |
| 10 from __future__ import unicode_literals | |
| 11 | |
| 12 from PyQt5.QtCore import pyqtSlot, Qt | |
| 13 from PyQt5.QtWidgets import QDialog, QDialogButtonBox, QAbstractItemView, \ | |
| 14 QListWidgetItem | |
| 15 | |
| 16 from .Ui_E5ListSelectionDialog import Ui_E5ListSelectionDialog | |
| 17 | |
| 18 | |
| 19 class E5ListSelectionDialog(QDialog, Ui_E5ListSelectionDialog): | |
| 20 """ | |
| 21 Class implementing a dialog to select from a list of strings. | |
| 22 """ | |
| 23 def __init__(self, entries, | |
| 24 selectionMode=QAbstractItemView.ExtendedSelection, | |
| 25 title="", message="", checkBoxSelection=False, parent=None): | |
| 26 """ | |
| 27 Constructor | |
| 28 | |
| 29 @param entries list of entries to select from | |
| 30 @type list of str | |
| 31 @param selectionMode selection mode for the list | |
| 32 @type QAbstractItemView.SelectionMode | |
| 33 @param title tirle of the dialog | |
| 34 @type str | |
| 35 @param message message to be show in the dialog | |
| 36 @type str | |
| 37 @param checkBoxSelection flag indicating to select items via their | |
| 38 checkbox | |
| 39 @type bool | |
| 40 @param parent reference to the parent widget | |
| 41 @type QWidget | |
| 42 """ | |
| 43 super(E5ListSelectionDialog, self).__init__(parent) | |
| 44 self.setupUi(self) | |
| 45 | |
| 46 if title: | |
| 47 self.setWindowTitle(title) | |
| 48 if message: | |
| 49 self.messageLabel.setText(message) | |
| 50 | |
| 51 self.__checkCount = 0 | |
| 52 self.__isCheckBoxSelection = checkBoxSelection | |
| 53 if self.__isCheckBoxSelection: | |
| 54 self.selectionList.setSelectionMode(QAbstractItemView.NoSelection) | |
| 55 for entry in entries: | |
| 56 itm = QListWidgetItem(entry) | |
| 57 itm.setFlags(Qt.ItemIsUserCheckable | Qt.ItemIsEnabled) | |
| 58 itm.setCheckState(Qt.Unchecked) | |
| 59 self.selectionList.addItem(itm) | |
| 60 else: | |
| 61 self.selectionList.setSelectionMode(selectionMode) | |
| 62 self.selectionList.addItems(entries) | |
| 63 | |
| 64 self.buttonBox.button(QDialogButtonBox.Ok).setEnabled(False) | |
| 65 | |
| 66 @pyqtSlot() | |
| 67 def on_selectionList_itemSelectionChanged(self): | |
| 68 """ | |
| 69 Private slot handling a change of the selection. | |
| 70 """ | |
| 71 if not self.__isCheckBoxSelection: | |
| 72 self.buttonBox.button(QDialogButtonBox.Ok).setEnabled( | |
| 73 len(self.selectionList.selectedItems()) > 0) | |
| 74 | |
| 75 def on_selectionList_itemChanged(self, itm): | |
| 76 """ | |
| 77 Private slot handling a change of an item. | |
| 78 | |
| 79 @param itm reference to the changed item | |
| 80 @type QListWidgetItem | |
| 81 """ | |
| 82 if self.__isCheckBoxSelection: | |
| 83 if itm.checkState() == Qt.Checked: | |
| 84 self.__checkCount += 1 | |
| 85 else: | |
| 86 self.__checkCount -= 1 | |
| 87 self.buttonBox.button(QDialogButtonBox.Ok).setEnabled( | |
| 88 self.__checkCount > 0) | |
| 89 | |
| 90 def getSelection(self): | |
| 91 """ | |
| 92 Public method to retrieve the selected items. | |
| 93 | |
| 94 @return selected entries | |
| 95 @rtype list of str | |
| 96 """ | |
| 97 entries = [] | |
| 98 if self.__isCheckBoxSelection: | |
| 99 for row in range(self.selectionList.count()): | |
| 100 item = self.selectionList.item(row) | |
| 101 if item.checkState() == Qt.Checked: | |
| 102 entries.append(item.text()) | |
| 103 else: | |
| 104 for item in self.selectionList.selectedItems(): | |
| 105 entries.append(item.text()) | |
| 106 return entries |
