class MainWindow(QtGui.QMainWindow): def __init__(self, parent=None): super(MainWindow, self).__init__(parent) self.ui = Ui_MainWindow() self.ui.setupUi(self) self.setWindowTitle("IKnow") # DB-Connection self.dbConnection = DatabaseConnection() if self.dbConnection.connect(): logging.info("Connected to the Database") else: logging.error("Failed to connect to the database") # Create Models self.tagModel = TagModel(self.dbConnection.db) self.knowledgeModel = KnowledgeModel(self.dbConnection.db) # Setup views self.ui.knowledgeTableView.setModel(self.knowledgeModel) self.ui.knowledgeTableView.hideColumn(0) self.ui.knowledgeTableView.setColumnWidth(1, 600) self.ui.knowledgeTableView.setColumnWidth(2, 700) self.ui.tagTreeWidget.setColumnWidth(0, 300) self.ui.tagTreeWidget.setColumnWidth(1, 30) # Load tags self.updateTagWidget() self.currentTag = None self.filterKnowledgeText = "" # Create menus act = QtGui.QAction("Remove selected Tag", self, statusTip="Remove the selected Tag. The child Tags are not touched.", triggered=self.removeSelectedTag) self.ui.tagTreeWidget.addAction(act) self.ui.tagTreeWidget.setContextMenuPolicy(QtCore.Qt.ActionsContextMenu) # Connect signals and slots self.ui.tagTreeWidget.currentItemChanged.connect(self.tagChanged) self.ui.newTagButton.clicked.connect(self.showNewTagButtonDialog) self.ui.updateTagsButton.clicked.connect(self.updateTagWidget) self.ui.newKnowledgeButton.clicked.connect(self.showNewKnowledgeDialog) self.ui.filterTagsEdit.textChanged.connect(self.updateTagWidget) self.ui.filterKnowledgeEdit.textChanged.connect(self.filterKnowledgeByText) self.ui.knowledgeTableView.doubleClicked.connect(self.showEditKnowledgeDialog) def removeSelectedTag(self): selectedItem = self.ui.tagTreeWidget.selectedItems()[0] IDtoRemove = int(selectedItem.text(1)) logging.debug("Remove selected Tag (ID=%d)." % IDtoRemove) self.tagModel.removeTag(IDtoRemove) self.updateTagWidget() def updateTagWidget(self): self.tagModel.updateTree() logging.debug("filter-Edit=%s" % self.ui.filterTagsEdit.text()) filter = self.ui.filterTagsEdit.text() if filter == "": filterIDs = None else: foundIDs = self.tagModel.getIDsFilteredByName(filter) logging.debug("foundIDs=" + str(foundIDs)) filterIDs = [] filterIDs.extend(foundIDs) for ID in foundIDs: logging.debug("foundIDs=%s" % str(foundIDs)) filterIDs.extend(self.tagModel.getParentIDsDownToRoot(ID)) filterIDs.extend(self.tagModel.getAllChildIDs(ID)) filterIDs = set(filterIDs) logging.debug("filterIDs=" + str(filterIDs)) # Clear tree self.ui.tagTreeWidget.clear() # No filter applied => Show all tags if filter == "": self.tagModel.fillTreeWidgetWithTags(self.ui.tagTreeWidget) # Found tags with applied filter if filter != "" and len(foundIDs) > 0: self.tagModel.fillTreeWidgetWithTags(self.ui.tagTreeWidget, filterIDs=filterIDs) self.ui.tagTreeWidget.expandAll() def showNewTagButtonDialog(self): logging.debug("Show NewTagDialog") newTagDlg = NewTagDialog(self, self.tagModel, self.tagModel.tagParentsModel, parentID=self.currentTag) newTagDlg.exec_() self.updateTagWidget() def showNewKnowledgeDialog(self): logging.debug("Show NewKnowledgeDialog") newKnowledgeDlg = NewKnowledgeDialog(self, self.tagModel, self.tagModel.tagParentsModel, self.knowledgeModel, parentID=self.currentTag) newKnowledgeDlg.exec_() self.reloadKnowledge() def showEditKnowledgeDialog(self, modelIndex): logging.debug("Show EditKnowledgeDialog") logging.debug("Row=%d" % modelIndex.row()) newKnowledgeDlg = NewKnowledgeDialog(self, self.tagModel, self.tagModel.tagParentsModel, self.knowledgeModel, editRow=modelIndex.row()) newKnowledgeDlg.exec_() self.knowledgeModel.setFilterByTagID(self.currentTag) def tagChanged(self, current, previous): self.currentTag = int(current.text(1)) logging.debug("currentTag = %d", self.currentTag) self.reloadKnowledge() def filterKnowledgeByText(self, filterText): self.filterKnowledgeText = filterText logging.debug("filterKnowledgeByText: self.filterKnowledgeText=%s" % self.filterKnowledgeText) self.reloadKnowledge() def reloadKnowledge(self): self.knowledgeModel.reload(self.currentTag, self.filterKnowledgeText)