def dropOn(self, event):
if event.isAccepted():
return False, None, None, None
index = QModelIndex()
row = -1
col = -1
if self.viewport().rect().contains(event.pos()):
index = self.indexAt(event.pos())
if not index.isValid() or not self.visualRect(index).contains(
event.pos()):
index = self.rootIndex()
if self.model().supportedDropActions() & event.dropAction():
if index != self.rootIndex():
dropIndicatorPosition = self.position(event.pos(),
self.visualRect(index),
index)
if dropIndicatorPosition == QAbstractItemView.AboveItem:
row = index.row()
col = index.column()
elif dropIndicatorPosition == QAbstractItemView.BelowItem:
row = index.row() + 1
col = index.column()
else:
row = index.row()
col = index.column()
if not self.droppingOnItself(event, index):
return True, row, col, index
return False, None, None, None
def apply(self):
if not self.__dialog:
self.createDialog()
self.__datasource.applied = False
sourceType = unicode(self.__dialog.ui.typeComboBox.currentText())
self.__datasource.dataSourceName = unicode(
self.__dialog.ui.nameLineEdit.text())
if sourceType in self.__dialog.imp.keys():
self.__dialog.imp[sourceType].fromForm(self.__datasource)
self.__datasource.dataSourceType = sourceType
self.__datasource.doc = unicode(
self.__dialog.ui.docTextEdit.toPlainText()).strip()
index = QModelIndex()
if hasattr(self.__dialog, "view") and self.__dialog.view \
and self.__dialog.view.model():
if hasattr(self.__dialog.view, "currentIndex"):
index = self.__dialog.view.currentIndex()
finalIndex = self.__dialog.view.model().createIndex(
index.row(), 2,
index.parent().internalPointer())
self.__dialog.view.expand(index)
row = index.row()
column = index.column()
parent = index.parent()
if self.__dialog.root:
self.updateNode(index)
if index.isValid():
index = self.__dialog.view.model().index(row, column, parent)
self.__dialog.view.setCurrentIndex(index)
self.__dialog.view.expand(index)
if hasattr(self.__dialog, "view") and self.__dialog.view \
and self.__dialog.view.model():
self.__dialog.view.model().emit(
SIGNAL("dataChanged(const QModelIndex &,"
" const QModelIndex &)"), index.parent(),
index.parent())
if index.column() != 0:
index = self.__dialog.view.model().index(
index.row(), 0, index.parent())
self.__dialog.view.model().emit(
SIGNAL("dataChanged(const QModelIndex &,"
" const QModelIndex &)"), index, finalIndex)
self.__dialog.view.expand(index)
if not self.__datasource.tree:
self.createNodes()
self.__datasource.applied = True
return True
def setData(self, ix: QtCore.QModelIndex, value: SqlDataType, role: int=QtCore.Qt.EditRole) -> bool:
try:
pk = self.visible_data[ix.row()][self.query_manager.table.primary_key_index]
row = next(
i for i, row
in enumerate(self.modified_data)
if row[self.query_manager.table.primary_key_index] == pk
)
self.visible_data[ix.row()][ix.column()] = value
self.modified_data[row][ix.column()] = value
self.dataChanged.emit(ix, ix)
return True
except:
return False
def setData(self,
ix: QtCore.QModelIndex,
value: SqlDataType,
role: int = QtCore.Qt.EditRole) -> bool:
try:
pk = self.visible_data[ix.row()][
self.query_manager.table.primary_key_index]
row = next(
i for i, row in enumerate(self.modified_data)
if row[self.query_manager.table.primary_key_index] == pk)
self.visible_data[ix.row()][ix.column()] = value
self.modified_data[row][ix.column()] = value
self.dataChanged.emit(ix, ix)
return True
except:
return False
def data(self, QModelIndex, int_role = None):
"""
For initial role out, assume
http://qt-project.org/doc/qt-4.8/qt.html#ItemDataRole-enum
:param QModelIndex:
:param int_role:
:return:
Qt::DisplayRole 0 The key data to be rendered in the form of text. (QString)
Qt::DecorationRole 1 The data to be rendered as a decoration in the form of an icon. (QColor, QIcon or QPixmap)
Qt::EditRole 2 The data in a form suitable for editing in an editor. (QString)
Qt::ToolTipRole 3 The data displayed in the item's tooltip. (QString)
Qt::StatusTipRole 4 The data displayed in the status bar. (QString)
Qt::WhatsThisRole 5 The data displayed for the item in "What's This?" mode. (QString)
Qt::SizeHintRole 13 The size hint for the item that will be supplied to views. (QSize)
Roles describing appearance and meta data (with associated types):
Constant Value Description
Qt::FontRole 6 The font used for items rendered with the default delegate. (QFont)
Qt::TextAlignmentRole 7 The alignment of the text for items rendered with the default delegate. (Qt::AlignmentFlag)
Qt::BackgroundRole 8 The background brush used for items rendered with the default delegate. (QBrush)
Qt::BackgroundColorRole 8 This role is obsolete. Use BackgroundRole instead.
Qt::ForegroundRole 9 The foreground brush (text color, typically) used for items rendered with the default delegate. (QBrush)
Qt::TextColorRole 9 This role is obsolete. Use ForegroundRole instead.
Qt::CheckStateRole 10 This role is used to obtain the checked state of an item. (Qt::CheckState)
Qt::InitialSortOrderRole 14 This role is used to obtain the initial sort order of a header view section. (Qt::SortOrder). This role was introduced in Qt 4.8.
"""
if int_role == 0:
if QModelIndex.isValid():
i = QModelIndex.row()
j = QModelIndex.column()
return QString(str(self.DataFrame.ix[i, j]))
else:
return QVariant()
else:
return QVariant()
def flags(self, ix: QtCore.QModelIndex) -> int:
if ix.column() in self.query_manager.editable_fields_indices:
return (
QtCore.Qt.ItemIsEditable
| QtCore.Qt.ItemIsEnabled
| QtCore.Qt.ItemIsSelectable
)
return QtCore.Qt.ItemIsEnabled | QtCore.Qt.ItemIsSelectable
def rowCount(self, parent):
if parent is None:
parent = QModelIndex()
if parent.column() > 0:
return 0
if not parent.isValid():
return len(self.__root)
else:
return len(parent.internalPointer())
def rowCount(self, parent):
if parent is None:
parent = QModelIndex()
if parent.column() > 0:
return 0
if not parent.isValid():
return len(self.__root)
else:
return len(parent.internalPointer())
def data(self, index: QtCore.QModelIndex, role: int=QtCore.Qt.DisplayRole):
alignment = {
FieldType.bool: QtCore.Qt.AlignHCenter | QtCore.Qt.AlignVCenter,
FieldType.date: QtCore.Qt.AlignHCenter | QtCore.Qt.AlignVCenter,
FieldType.int: QtCore.Qt.AlignLeft | QtCore.Qt.AlignVCenter,
FieldType.float: QtCore.Qt.AlignRight | QtCore.Qt.AlignVCenter,
FieldType.str: QtCore.Qt.AlignLeft | QtCore.Qt.AlignVCenter,
}
col = index.column()
fld = self.query_manager.table.fields[col]
val = self.visible_data[index.row()][col]
try:
if not index.isValid():
return
elif role == QtCore.Qt.TextAlignmentRole:
return alignment[fld.dtype]
elif role == QtCore.Qt.DisplayRole:
if col in self.foreign_keys.keys():
return self.foreign_keys[col][val]
return fld.format_value(val)
except Exception as e:
self.error_signal.emit('Error modeling data: {}'.format(e))
def data(self,
index: QtCore.QModelIndex,
role: int = QtCore.Qt.DisplayRole):
alignment = {
FieldType.bool: QtCore.Qt.AlignHCenter | QtCore.Qt.AlignVCenter,
FieldType.date: QtCore.Qt.AlignHCenter | QtCore.Qt.AlignVCenter,
FieldType.int: QtCore.Qt.AlignLeft | QtCore.Qt.AlignVCenter,
FieldType.float: QtCore.Qt.AlignRight | QtCore.Qt.AlignVCenter,
FieldType.str: QtCore.Qt.AlignLeft | QtCore.Qt.AlignVCenter,
}
col = index.column()
fld = self.query_manager.table.fields[col]
val = self.visible_data[index.row()][col]
try:
if not index.isValid():
return
elif role == QtCore.Qt.TextAlignmentRole:
return alignment[fld.dtype]
elif role == QtCore.Qt.DisplayRole:
if col in self.foreign_keys.keys():
return self.foreign_keys[col][val]
return fld.format_value(val)
except Exception as e:
self.error_signal.emit('Error modeling data: {}'.format(e))
def flags(self, ix: QtCore.QModelIndex) -> int:
if ix.column() in self.query_manager.editable_fields_indices:
return (QtCore.Qt.ItemIsEditable
| QtCore.Qt.ItemIsEnabled
| QtCore.Qt.ItemIsSelectable)
return QtCore.Qt.ItemIsEnabled | QtCore.Qt.ItemIsSelectable
