def addModelToView(self,modelObj):
'''
Convenience method for adding model info into the view.
'''
insertPosition = self._tableModel.rowCount()
self._tableModel.insertRows(insertPosition,1)
for i,attr in enumerate(self._dbmodel.displayMapping().keys()):
propIndex = self._tableModel.index(insertPosition,i)
attrVal = getattr(modelObj,attr)
#Check if there re display formatters and apply if one exists for the given attribute
if attr in self._cellFormatters:
attrVal = self._cellFormatters[attr](attrVal)
if not attr in self._cellFormatters and isinstance(attrVal,date):
attrVal = dateFormatter(attrVal)
self._tableModel.setData(propIndex, attrVal)
def addModelToView(self,modelObj):
'''
Convenience method for adding model info into the view.
'''
try:
insertPosition = self._tableModel.rowCount()
self._tableModel.insertRows(insertPosition,1)
for i,attr in enumerate(self._dbmodel.displayMapping().keys()):
propIndex = self._tableModel.index(insertPosition, i)
if hasattr(modelObj, attr):
attrVal = getattr(modelObj, attr)
#QMessageBox.information(self, 'model',"propertyindex;{0}\nattributeVal;{1}".format(str(propIndex), str(attrVal)))
#Check if there re display formatters and apply if one exists for the given attribute
if attr in self._cellFormatters:
attrVal = self._cellFormatters[attr](attrVal)
if not attr in self._cellFormatters and isinstance(attrVal, date):
attrVal = dateFormatter(attrVal)
self._tableModel.setData(propIndex, attrVal)
except Exception as ex:
QMessageBox.information(self, QApplication.translate("EntityBrowser", "Updating row"), str(ex.message))
return
def _initializeData(self):
'''
Set table model and load data into it.
'''
if self._dbmodel != None:
headers = self._dbmodel.displayMapping().values()
modelAttrs = self._dbmodel.displayMapping().keys()
'''
Load entity data. There might be a better way in future in order to ensure that
there is a balance between user data discovery experience and performance.
'''
numRecords = self.recomputeRecordCount()
#Load progress dialog
progressLabel = QApplication.translate("EntityBrowser", "Fetching Records...")
progressDialog = QProgressDialog(progressLabel,"",0,numRecords,self)
entity = self._dbmodel()
entityRecords = entity.queryObject().filter().all()
#entityRecordsList = [[getattr(er,attr)for attr in modelAttrs]for er in entityRecords]
#Add records to nested list for enumeration in table model
entityRecordsList = []
for i,er in enumerate(entityRecords):
entityRowInfo = []
progressDialog.setValue(i)
try:
for attr in modelAttrs:
attrVal = getattr(er,attr)
#Check if there are display formatters and apply if one exists for the given attribute
if attr in self._cellFormatters:
attrVal = self._cellFormatters[attr](attrVal)
if not attr in self._cellFormatters and isinstance(attrVal,date):
attrVal = dateFormatter(attrVal)
entityRowInfo.append(attrVal)
except Exception as ex:
QMessageBox.information(None, QApplication.translate("EntityBrowser", "Loading dialog"), str(ex.message) )
return
entityRecordsList.append(entityRowInfo)
#Set maximum value of the progress dialog
progressDialog.setValue(numRecords)
self._tableModel = BaseSTDMTableModel(entityRecordsList,headers,self)
#Add filter columns
self.cboFilterColumn.addItems(headers)
#Use sortfilter proxy model for the view
self._proxyModel = QSortFilterProxyModel()
self._proxyModel.setDynamicSortFilter(True)
self._proxyModel.setSourceModel(self._tableModel)
self._proxyModel.setSortCaseSensitivity(Qt.CaseInsensitive)
self._proxyModel.setFilterKeyColumn(1)
self.tbEntity.setModel(self._proxyModel)
self.tbEntity.setSortingEnabled(True)
self.tbEntity.sortByColumn(1,Qt.AscendingOrder)
#First (ID) column will always be hidden
self.tbEntity.hideColumn(0)
self.cboFilterColumn.removeItem(0)
self.tbEntity.horizontalHeader().setResizeMode(QHeaderView.Stretch)
#Connect signals
self.connect(self.cboFilterColumn, SIGNAL("currentIndexChanged (int)"),self.onFilterColumnChanged)
self.connect(self.txtFilterPattern, SIGNAL("textChanged(const QString&)"),self.onFilterRegExpChanged)
