Mercurial Repositories > eric / file comparison
comparison: src/eric7/EricWidgets/EricListSelectionDialog.py
src/eric7/EricWidgets/EricListSelectionDialog.py
- branch
- eric7
- changeset 10215
- d476667171a1
- parent 9768
- e2b622afb5ff
- child 10439
- 21c28b0f9e41
equal
deleted
inserted
replaced
| 10214:de0718b80010 | 10215:d476667171a1 |
|---|---|
| 29 selectionMode=QAbstractItemView.SelectionMode.ExtendedSelection, | 29 selectionMode=QAbstractItemView.SelectionMode.ExtendedSelection, |
| 30 title="", | 30 title="", |
| 31 message="", | 31 message="", |
| 32 checkBoxSelection=False, | 32 checkBoxSelection=False, |
| 33 doubleClickOk=False, | 33 doubleClickOk=False, |
| 34 emptySelectionOk=False, | |
| 35 showSelectAll=False, | |
| 34 parent=None, | 36 parent=None, |
| 35 ): | 37 ): |
| 36 """ | 38 """ |
| 37 Constructor | 39 Constructor |
| 38 | 40 |
| 39 @param entries list of entries to select from | 41 @param entries list of entries to select from |
| 40 @type list of str | 42 @type list of str or list of tuple of (str, Any) |
| 41 @param selectionMode selection mode for the list | 43 @param selectionMode selection mode for the list |
| 42 @type QAbstractItemView.SelectionMode | 44 @type QAbstractItemView.SelectionMode |
| 43 @param title title of the dialog | 45 @param title title of the dialog |
| 44 @type str | 46 @type str |
| 45 @param message message to be show in the dialog | 47 @param message message to be show in the dialog |
| 48 checkbox | 50 checkbox |
| 49 @type bool | 51 @type bool |
| 50 @param doubleClickOk flag indicating to accept the dialog upon a | 52 @param doubleClickOk flag indicating to accept the dialog upon a |
| 51 double click of an item (single selection only) | 53 double click of an item (single selection only) |
| 52 @type bool | 54 @type bool |
| 55 @param emptySelectionOk flag indicating that an empty selection is allowed | |
| 56 @type bool | |
| 57 @param showSelectAll flag indicating to show a 'Select All' button | |
| 58 @type bool | |
| 53 @param parent reference to the parent widget | 59 @param parent reference to the parent widget |
| 54 @type QWidget | 60 @type QWidget |
| 55 """ | 61 """ |
| 56 super().__init__(parent) | 62 super().__init__(parent) |
| 57 self.setupUi(self) | 63 self.setupUi(self) |
| 61 if message: | 67 if message: |
| 62 self.messageLabel.setText(message) | 68 self.messageLabel.setText(message) |
| 63 | 69 |
| 64 self.__checkCount = 0 | 70 self.__checkCount = 0 |
| 65 self.__isCheckBoxSelection = checkBoxSelection | 71 self.__isCheckBoxSelection = checkBoxSelection |
| 66 if self.__isCheckBoxSelection: | 72 self.__doubleClickOk = doubleClickOk |
| 67 self.selectionList.setSelectionMode( | 73 self.__emptySelectionOk = emptySelectionOk |
| 68 QAbstractItemView.SelectionMode.NoSelection | 74 |
| 69 ) | 75 self.selectionList.setSelectionMode( |
| 70 for entry in entries: | 76 QAbstractItemView.SelectionMode.NoSelection |
| 77 if self.__isCheckBoxSelection | |
| 78 else selectionMode | |
| 79 ) | |
| 80 | |
| 81 for entry in entries: | |
| 82 if isinstance(entry, tuple): | |
| 83 itm = QListWidgetItem(entry[0]) | |
| 84 itm.setData(Qt.ItemDataRole.UserRole, entry[1]) | |
| 85 else: | |
| 71 itm = QListWidgetItem(entry) | 86 itm = QListWidgetItem(entry) |
| 87 if self.__isCheckBoxSelection: | |
| 72 itm.setFlags( | 88 itm.setFlags( |
| 73 Qt.ItemFlag.ItemIsUserCheckable | Qt.ItemFlag.ItemIsEnabled | 89 Qt.ItemFlag.ItemIsUserCheckable | Qt.ItemFlag.ItemIsEnabled |
| 74 ) | 90 ) |
| 75 itm.setCheckState(Qt.CheckState.Unchecked) | 91 itm.setCheckState(Qt.CheckState.Unchecked) |
| 76 self.selectionList.addItem(itm) | 92 self.selectionList.addItem(itm) |
| 77 else: | 93 |
| 78 self.selectionList.setSelectionMode(selectionMode) | 94 if showSelectAll: |
| 79 self.selectionList.addItems(entries) | 95 self.buttonBox.addButton( |
| 80 | 96 self.tr("Deselect All"), QDialogButtonBox.ButtonRole.ActionRole |
| 81 self.buttonBox.button(QDialogButtonBox.StandardButton.Ok).setEnabled(False) | 97 ).clicked.connect(lambda: self.__selectAll(False)) |
| 98 self.buttonBox.addButton( | |
| 99 self.tr("Select All"), QDialogButtonBox.ButtonRole.ActionRole | |
| 100 ).clicked.connect(lambda: self.__selectAll(True)) | |
| 101 | |
| 102 self.buttonBox.button(QDialogButtonBox.StandardButton.Ok).setEnabled( | |
| 103 emptySelectionOk | |
| 104 ) | |
| 82 | 105 |
| 83 @pyqtSlot() | 106 @pyqtSlot() |
| 84 def on_selectionList_itemSelectionChanged(self): | 107 def on_selectionList_itemSelectionChanged(self): |
| 85 """ | 108 """ |
| 86 Private slot handling a change of the selection. | 109 Private slot handling a change of the selection. |
| 87 """ | 110 """ |
| 88 if not self.__isCheckBoxSelection: | 111 if not self.__isCheckBoxSelection: |
| 89 self.buttonBox.button(QDialogButtonBox.StandardButton.Ok).setEnabled( | 112 self.buttonBox.button(QDialogButtonBox.StandardButton.Ok).setEnabled( |
| 90 len(self.selectionList.selectedItems()) > 0 | 113 len(self.selectionList.selectedItems()) > 0 or self.__emptySelectionOk |
| 91 ) | 114 ) |
| 92 | 115 |
| 116 @pyqtSlot(QListWidgetItem) | |
| 93 def on_selectionList_itemChanged(self, itm): | 117 def on_selectionList_itemChanged(self, itm): |
| 94 """ | 118 """ |
| 95 Private slot handling a change of an item. | 119 Private slot handling a change of an item. |
| 96 | 120 |
| 97 @param itm reference to the changed item | 121 @param itm reference to the changed item |
| 101 if itm.checkState() == Qt.CheckState.Checked: | 125 if itm.checkState() == Qt.CheckState.Checked: |
| 102 self.__checkCount += 1 | 126 self.__checkCount += 1 |
| 103 elif self.__checkCount > 0: | 127 elif self.__checkCount > 0: |
| 104 self.__checkCount -= 1 | 128 self.__checkCount -= 1 |
| 105 self.buttonBox.button(QDialogButtonBox.StandardButton.Ok).setEnabled( | 129 self.buttonBox.button(QDialogButtonBox.StandardButton.Ok).setEnabled( |
| 106 self.__checkCount > 0 | 130 self.__checkCount > 0 or self.__emptySelectionOk |
| 107 ) | 131 ) |
| 108 | 132 |
| 109 @pyqtSlot(QListWidgetItem) | 133 @pyqtSlot(QListWidgetItem) |
| 110 def on_selectionList_itemDoubleClicked(self, item): | 134 def on_selectionList_itemDoubleClicked(self, item): |
| 111 """ | 135 """ |
| 116 """ | 140 """ |
| 117 if ( | 141 if ( |
| 118 not self.__isCheckBoxSelection | 142 not self.__isCheckBoxSelection |
| 119 and self.selectionList.selectionMode() | 143 and self.selectionList.selectionMode() |
| 120 == QAbstractItemView.SelectionMode.SingleSelection | 144 == QAbstractItemView.SelectionMode.SingleSelection |
| 145 and self.__doubleClickOk | |
| 121 ): | 146 ): |
| 122 self.accept() | 147 self.accept() |
| 123 | 148 |
| 149 def __selectAll(self, state): | |
| 150 """ | |
| 151 Private method to select or deselect all entries. | |
| 152 | |
| 153 @param state flag indicating the desired selection state | |
| 154 @type bool | |
| 155 """ | |
| 156 for row in range(self.selectionList.count()): | |
| 157 item = self.selectionList.item(row) | |
| 158 if self.__isCheckBoxSelection: | |
| 159 if state: | |
| 160 item.setCheckState(Qt.CheckState.Checked) | |
| 161 else: | |
| 162 item.setCheckState(Qt.CheckState.Unchecked) | |
| 163 else: | |
| 164 item.setSelected(state) | |
| 165 | |
| 166 def setSelection(self, selection): | |
| 167 """ | |
| 168 Public method to preselect a list of entries. | |
| 169 | |
| 170 @param selection list of selected entries | |
| 171 @type list of str | |
| 172 """ | |
| 173 for name in selection: | |
| 174 itemList = self.selectionList.findItems( | |
| 175 name, Qt.MatchFlag.MatchCaseSensitive | Qt.MatchFlag.MatchStartsWith | |
| 176 ) | |
| 177 if itemList: | |
| 178 if self.__isCheckBoxSelection: | |
| 179 itemList[0].setCheckState(Qt.CheckState.Checked) | |
| 180 else: | |
| 181 itemList[0].setSelected(True) | |
| 182 | |
| 124 def getSelection(self): | 183 def getSelection(self): |
| 125 """ | 184 """ |
| 126 Public method to retrieve the selected items. | 185 Public method to retrieve the selected items. |
| 127 | 186 |
| 128 @return selected entries | 187 @return selected entries |
| 129 @rtype list of str | 188 @rtype list of str or list of tuple of (str, Any) |
| 130 """ | 189 """ |
| 131 entries = [] | 190 entries = [] |
| 132 if self.__isCheckBoxSelection: | 191 if self.__isCheckBoxSelection: |
| 133 for row in range(self.selectionList.count()): | 192 for row in range(self.selectionList.count()): |
| 134 item = self.selectionList.item(row) | 193 item = self.selectionList.item(row) |
| 135 if item.checkState() == Qt.CheckState.Checked: | 194 if item.checkState() == Qt.CheckState.Checked: |
| 136 entries.append(item.text()) | 195 data = item.data(Qt.ItemDataRole.UserRole) |
| 196 if data is None: | |
| 197 entries.append(item.text()) | |
| 198 else: | |
| 199 entries.append((item.text(), data)) | |
| 137 else: | 200 else: |
| 138 for item in self.selectionList.selectedItems(): | 201 for item in self.selectionList.selectedItems(): |
| 139 entries.append(item.text()) | 202 data = item.data(Qt.ItemDataRole.UserRole) |
| 203 if data is None: | |
| 204 entries.append(item.text()) | |
| 205 else: | |
| 206 entries.append((item.text(), data)) | |
| 140 return entries | 207 return entries |
