Mercurial Repositories > eric / file comparison
comparison: eric7/EricWidgets/EricListSelectionDialog.py
eric7/EricWidgets/EricListSelectionDialog.py
- branch
- eric7
- changeset 8358
- 144a6b854f70
- parent 8356
- 68ec9c3d4de5
- child 8670
- 12e7fbf2445a
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| 8357:a081458cc57b | 8358:144a6b854f70 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2016 - 2021 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 PyQt6.QtCore import pyqtSlot, Qt | |
| 11 from PyQt6.QtWidgets import ( | |
| 12 QDialog, QDialogButtonBox, QAbstractItemView, QListWidgetItem | |
| 13 ) | |
| 14 | |
| 15 from .Ui_EricListSelectionDialog import Ui_EricListSelectionDialog | |
| 16 | |
| 17 | |
| 18 class EricListSelectionDialog(QDialog, Ui_EricListSelectionDialog): | |
| 19 """ | |
| 20 Class implementing a dialog to select from a list of strings. | |
| 21 """ | |
| 22 def __init__(self, entries, | |
| 23 selectionMode=QAbstractItemView.SelectionMode | |
| 24 .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 title 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().__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( | |
| 55 QAbstractItemView.SelectionMode.NoSelection) | |
| 56 for entry in entries: | |
| 57 itm = QListWidgetItem(entry) | |
| 58 itm.setFlags(Qt.ItemFlag.ItemIsUserCheckable | | |
| 59 Qt.ItemFlag.ItemIsEnabled) | |
| 60 itm.setCheckState(Qt.CheckState.Unchecked) | |
| 61 self.selectionList.addItem(itm) | |
| 62 else: | |
| 63 self.selectionList.setSelectionMode(selectionMode) | |
| 64 self.selectionList.addItems(entries) | |
| 65 | |
| 66 self.buttonBox.button( | |
| 67 QDialogButtonBox.StandardButton.Ok).setEnabled(False) | |
| 68 | |
| 69 @pyqtSlot() | |
| 70 def on_selectionList_itemSelectionChanged(self): | |
| 71 """ | |
| 72 Private slot handling a change of the selection. | |
| 73 """ | |
| 74 if not self.__isCheckBoxSelection: | |
| 75 self.buttonBox.button( | |
| 76 QDialogButtonBox.StandardButton.Ok).setEnabled( | |
| 77 len(self.selectionList.selectedItems()) > 0) | |
| 78 | |
| 79 def on_selectionList_itemChanged(self, itm): | |
| 80 """ | |
| 81 Private slot handling a change of an item. | |
| 82 | |
| 83 @param itm reference to the changed item | |
| 84 @type QListWidgetItem | |
| 85 """ | |
| 86 if self.__isCheckBoxSelection: | |
| 87 if itm.checkState() == Qt.CheckState.Checked: | |
| 88 self.__checkCount += 1 | |
| 89 else: | |
| 90 self.__checkCount -= 1 | |
| 91 self.buttonBox.button( | |
| 92 QDialogButtonBox.StandardButton.Ok).setEnabled( | |
| 93 self.__checkCount > 0) | |
| 94 | |
| 95 def getSelection(self): | |
| 96 """ | |
| 97 Public method to retrieve the selected items. | |
| 98 | |
| 99 @return selected entries | |
| 100 @rtype list of str | |
| 101 """ | |
| 102 entries = [] | |
| 103 if self.__isCheckBoxSelection: | |
| 104 for row in range(self.selectionList.count()): | |
| 105 item = self.selectionList.item(row) | |
| 106 if item.checkState() == Qt.CheckState.Checked: | |
| 107 entries.append(item.text()) | |
| 108 else: | |
| 109 for item in self.selectionList.selectedItems(): | |
| 110 entries.append(item.text()) | |
| 111 return entries |
