Mercurial Repositories > eric / file comparison
comparison: SqlBrowser/SqlConnectionWidget.py
SqlBrowser/SqlConnectionWidget.py
- changeset 500
- c3abc7895a01
- parent 454
- d28d558f7484
- child 501
- 5c615a85241a
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| 499:622ab17a68d5 | 500:c3abc7895a01 |
|---|---|
| 13 | 13 |
| 14 class SqlConnectionWidget(QWidget): | 14 class SqlConnectionWidget(QWidget): |
| 15 """ | 15 """ |
| 16 Class implementing a widget showing the SQL connections. | 16 Class implementing a widget showing the SQL connections. |
| 17 | 17 |
| 18 @signal tableActivated(QString) emitted after the entry for a table has been activated | 18 @signal tableActivated(string) emitted after the entry for a table has been activated |
| 19 @signal schemaRequested(QString) emitted when the schema display is requested | 19 @signal schemaRequested(string) emitted when the schema display is requested |
| 20 @signal cleared() emitted after the connection tree has been cleared | 20 @signal cleared() emitted after the connection tree has been cleared |
| 21 """ | 21 """ |
| 22 tableActivated = pyqtSignal(str) | |
| 23 schemaRequested = pyqtSignal(str) | |
| 24 cleared = pyqtSignal() | |
| 25 | |
| 22 def __init__(self, parent = None): | 26 def __init__(self, parent = None): |
| 23 """ | 27 """ |
| 24 Constructor | 28 Constructor |
| 25 | 29 |
| 26 @param parent reference to the parent widget (QWidget) | 30 @param parent reference to the parent widget (QWidget) |
| 44 self.__connectionTree.addAction(self.__schemaAction) | 48 self.__connectionTree.addAction(self.__schemaAction) |
| 45 self.__connectionTree.setContextMenuPolicy(Qt.ActionsContextMenu) | 49 self.__connectionTree.setContextMenuPolicy(Qt.ActionsContextMenu) |
| 46 | 50 |
| 47 layout.addWidget(self.__connectionTree) | 51 layout.addWidget(self.__connectionTree) |
| 48 | 52 |
| 49 self.connect(self.__connectionTree, | 53 self.__connectionTree.itemActivated.connect(self.__itemActivated) |
| 50 SIGNAL("itemActivated(QTreeWidgetItem*, int)"), | 54 self.__connectionTree.currentItemChanged.connect(self.__currentItemChanged) |
| 51 self.__itemActivated) | |
| 52 self.connect(self.__connectionTree, | |
| 53 SIGNAL("currentItemChanged(QTreeWidgetItem*, QTreeWidgetItem*)"), | |
| 54 self.__currentItemChanged) | |
| 55 | 55 |
| 56 self.__activeDb = "" | 56 self.__activeDb = "" |
| 57 | 57 |
| 58 def refresh(self): | 58 def refresh(self): |
| 59 """ | 59 """ |
| 60 Public slot to refresh the connection tree. | 60 Public slot to refresh the connection tree. |
| 61 """ | 61 """ |
| 62 self.__connectionTree.clear() | 62 self.__connectionTree.clear() |
| 63 self.emit(SIGNAL("cleared()")) | 63 self.cleared.emit() |
| 64 | 64 |
| 65 connectionNames = QSqlDatabase.connectionNames() | 65 connectionNames = QSqlDatabase.connectionNames() |
| 66 | 66 |
| 67 foundActiveDb = False | 67 foundActiveDb = False |
| 68 for name in connectionNames: | 68 for name in connectionNames: |
| 90 """ | 90 """ |
| 91 cItm = self.__connectionTree.currentItem() | 91 cItm = self.__connectionTree.currentItem() |
| 92 if cItm is None or cItm.parent() is None: | 92 if cItm is None or cItm.parent() is None: |
| 93 return | 93 return |
| 94 self.__setActive(cItm.parent()) | 94 self.__setActive(cItm.parent()) |
| 95 self.emit(SIGNAL("schemaRequested(QString)"), cItm.text(0)) | 95 self.schemaRequested.emit(cItm.text(0)) |
| 96 | 96 |
| 97 def __itemActivated(self, itm, column): | 97 def __itemActivated(self, itm, column): |
| 98 """ | 98 """ |
| 99 Private slot handling the activation of an item. | 99 Private slot handling the activation of an item. |
| 100 | 100 |
| 106 | 106 |
| 107 if itm.parent() is None: | 107 if itm.parent() is None: |
| 108 self.__setActive(itm) | 108 self.__setActive(itm) |
| 109 else: | 109 else: |
| 110 self.__setActive(itm.parent()) | 110 self.__setActive(itm.parent()) |
| 111 self.emit(SIGNAL("tableActivated(QString)"), itm.text(0)) | 111 self.tableActivated.emit(itm.text(0)) |
| 112 | 112 |
| 113 def __currentItemChanged(self, current, previous): | 113 def __currentItemChanged(self, current, previous): |
| 114 """ | 114 """ |
| 115 Private slot handling a change of the current item. | 115 Private slot handling a change of the current item. |
| 116 | 116 |
