Mercurial Repositories > eric / file comparison
comparison: src/eric7/EricWidgets/EricListSelectionDialog.py
src/eric7/EricWidgets/EricListSelectionDialog.py
- branch
- eric7
- changeset 9209
- b99e7fd55fd3
- parent 8881
- 54e42bc2437a
- child 9221
- bf71ee032bb4
equal
deleted
inserted
replaced
| 9208:3fc8dfeb6ebe | 9209:b99e7fd55fd3 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2016 - 2022 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, | |
| 26 doubleClickOk=False, parent=None): | |
| 27 """ | |
| 28 Constructor | |
| 29 | |
| 30 @param entries list of entries to select from | |
| 31 @type list of str | |
| 32 @param selectionMode selection mode for the list | |
| 33 @type QAbstractItemView.SelectionMode | |
| 34 @param title title of the dialog | |
| 35 @type str | |
| 36 @param message message to be show in the dialog | |
| 37 @type str | |
| 38 @param checkBoxSelection flag indicating to select items via their | |
| 39 checkbox | |
| 40 @type bool | |
| 41 @param doubleClickOk flag indicating to accept the dialog upon a | |
| 42 double click of an item (single selection only) | |
| 43 @type bool | |
| 44 @param parent reference to the parent widget | |
| 45 @type QWidget | |
| 46 """ | |
| 47 super().__init__(parent) | |
| 48 self.setupUi(self) | |
| 49 | |
| 50 if title: | |
| 51 self.setWindowTitle(title) | |
| 52 if message: | |
| 53 self.messageLabel.setText(message) | |
| 54 | |
| 55 self.__checkCount = 0 | |
| 56 self.__isCheckBoxSelection = checkBoxSelection | |
| 57 if self.__isCheckBoxSelection: | |
| 58 self.selectionList.setSelectionMode( | |
| 59 QAbstractItemView.SelectionMode.NoSelection) | |
| 60 for entry in entries: | |
| 61 itm = QListWidgetItem(entry) | |
| 62 itm.setFlags(Qt.ItemFlag.ItemIsUserCheckable | | |
| 63 Qt.ItemFlag.ItemIsEnabled) | |
| 64 itm.setCheckState(Qt.CheckState.Unchecked) | |
| 65 self.selectionList.addItem(itm) | |
| 66 else: | |
| 67 self.selectionList.setSelectionMode(selectionMode) | |
| 68 self.selectionList.addItems(entries) | |
| 69 | |
| 70 self.buttonBox.button( | |
| 71 QDialogButtonBox.StandardButton.Ok).setEnabled(False) | |
| 72 | |
| 73 @pyqtSlot() | |
| 74 def on_selectionList_itemSelectionChanged(self): | |
| 75 """ | |
| 76 Private slot handling a change of the selection. | |
| 77 """ | |
| 78 if not self.__isCheckBoxSelection: | |
| 79 self.buttonBox.button( | |
| 80 QDialogButtonBox.StandardButton.Ok).setEnabled( | |
| 81 len(self.selectionList.selectedItems()) > 0) | |
| 82 | |
| 83 def on_selectionList_itemChanged(self, itm): | |
| 84 """ | |
| 85 Private slot handling a change of an item. | |
| 86 | |
| 87 @param itm reference to the changed item | |
| 88 @type QListWidgetItem | |
| 89 """ | |
| 90 if self.__isCheckBoxSelection: | |
| 91 if itm.checkState() == Qt.CheckState.Checked: | |
| 92 self.__checkCount += 1 | |
| 93 else: | |
| 94 self.__checkCount -= 1 | |
| 95 self.buttonBox.button( | |
| 96 QDialogButtonBox.StandardButton.Ok).setEnabled( | |
| 97 self.__checkCount > 0) | |
| 98 | |
| 99 @pyqtSlot(QListWidgetItem) | |
| 100 def on_selectionList_itemDoubleClicked(self, item): | |
| 101 """ | |
| 102 Private slot handling double clicking an item. | |
| 103 | |
| 104 @param item double clicked item | |
| 105 @type QListWidgetItem | |
| 106 """ | |
| 107 if ( | |
| 108 not self.__isCheckBoxSelection and | |
| 109 self.selectionList.selectionMode() == | |
| 110 QAbstractItemView.SelectionMode.SingleSelection | |
| 111 ): | |
| 112 self.accept() | |
| 113 | |
| 114 def getSelection(self): | |
| 115 """ | |
| 116 Public method to retrieve the selected items. | |
| 117 | |
| 118 @return selected entries | |
| 119 @rtype list of str | |
| 120 """ | |
| 121 entries = [] | |
| 122 if self.__isCheckBoxSelection: | |
| 123 for row in range(self.selectionList.count()): | |
| 124 item = self.selectionList.item(row) | |
| 125 if item.checkState() == Qt.CheckState.Checked: | |
| 126 entries.append(item.text()) | |
| 127 else: | |
| 128 for item in self.selectionList.selectedItems(): | |
| 129 entries.append(item.text()) | |
| 130 return entries |
