本文整理汇总了Python中PyQt4.QtSql.QSqlTableModel.lastError方法的典型用法代码示例。如果您正苦于以下问题:Python QSqlTableModel.lastError方法的具体用法?Python QSqlTableModel.lastError怎么用?Python QSqlTableModel.lastError使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PyQt4.QtSql.QSqlTableModel
的用法示例。
在下文中一共展示了QSqlTableModel.lastError方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: set_model_to_table
# 需要导入模块: from PyQt4.QtSql import QSqlTableModel [as 别名]
# 或者: from PyQt4.QtSql.QSqlTableModel import lastError [as 别名]
def set_model_to_table(self, widget, table_name, filter_):
''' Set a model with selected filter.
Attach that model to selected table '''
# Set model
model = QSqlTableModel();
model.setTable(table_name)
model.setEditStrategy(QSqlTableModel.OnManualSubmit)
model.setFilter(filter_)
model.select()
# Check for errors
if model.lastError().isValid():
self.controller.show_warning(model.lastError().text())
# Attach model to table view
widget.setModel(model)
示例2: showTable
# 需要导入模块: from PyQt4.QtSql import QSqlTableModel [as 别名]
# 或者: from PyQt4.QtSql.QSqlTableModel import lastError [as 别名]
def showTable(self, table):
"""
Public slot to show the contents of a table.
@param table name of the table to be shown (string or QString)
"""
model = QSqlTableModel(self.table, self.connections.currentDatabase())
model.setEditStrategy(QSqlTableModel.OnRowChange)
model.setTable(table)
model.select()
if model.lastError().type() != QSqlError.NoError:
self.emit(SIGNAL("statusMessage(QString)"), model.lastError().text())
self.table.setModel(model)
self.table.setEditTriggers(
QAbstractItemView.DoubleClicked | QAbstractItemView.EditKeyPressed)
self.table.resizeColumnsToContents()
self.connect(self.table.selectionModel(),
SIGNAL("currentRowChanged(QModelIndex, QModelIndex)"),
self.updateActions)
self.updateActions()
示例3: PlayerList
# 需要导入模块: from PyQt4.QtSql import QSqlTableModel [as 别名]
# 或者: from PyQt4.QtSql.QSqlTableModel import lastError [as 别名]
class PlayerList(QDialog):
"""QtSQL Model view of the players"""
def __init__(self, parent):
QDialog.__init__(self)
self.parent = parent
self.model = QSqlTableModel(self, DBHandle.default)
self.model.setEditStrategy(QSqlTableModel.OnManualSubmit)
self.model.setTable("player")
self.model.setSort(1, 0)
self.model.setHeaderData(1, Qt.Horizontal, QVariant(m18nc("Player", "Name")))
self.model.setFilter('name not like "ROBOT %" and name not like "Robot %"')
self.view = MJTableView(self)
self.view.verticalHeader().show()
self.view.setModel(self.model)
self.view.hideColumn(0)
self.buttonBox = QDialogButtonBox()
self.buttonBox.setStandardButtons(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
self.buttonBox.accepted.connect(self.accept)
self.buttonBox.rejected.connect(self.reject)
self.newButton = self.buttonBox.addButton(m18nc('define a new player', "&New"), QDialogButtonBox.ActionRole)
self.newButton.setIcon(KIcon("document-new"))
self.newButton.clicked.connect(self.slotInsert)
self.deleteButton = self.buttonBox.addButton(m18n("&Delete"), QDialogButtonBox.ActionRole)
self.deleteButton.setIcon(KIcon("edit-delete"))
self.deleteButton.clicked.connect(self.delete)
cmdLayout = QHBoxLayout()
cmdLayout.addWidget(self.buttonBox)
layout = QVBoxLayout()
layout.addWidget(self.view)
layout.addLayout(cmdLayout)
self.setLayout(layout)
self.setWindowTitle(m18n("Players") + ' - Kajongg')
self.setObjectName('Players')
def showEvent(self, dummyEvent):
"""adapt view to content"""
if not self.model.select():
logError("PlayerList: select failed")
sys.exit(1)
self.view.initView()
StateSaver(self, self.view.horizontalHeader())
if not self.view.isColumnHidden(2):
# we loaded a kajonggrc written by an older kajongg version where this table
# still had more columns. This should happen only once.
self.view.hideColumn(2)
self.view.hideColumn(3)
def accept(self):
"""commit all modifications"""
self.view.selectRow(0) # if ALT-O is entered while editing a new row, this is one way
# to end editing and to pass the new value to the model
if not self.model.submitAll():
Sorry(m18n('Cannot save this. Possibly the name already exists. <br><br>' \
'Message from database:<br><br><message>%1</message>',
self.model.lastError().text()))
return
QDialog.accept(self)
def slotInsert(self):
"""insert a record"""
self.model.insertRow(self.model.rowCount())
self.view.selectRow(self.model.rowCount()-1)
def delete(self):
"""delete selected entries"""
sel = self.view.selectionModel()
maxDel = self.view.currentIndex().row() - 1
for idx in sel.selectedIndexes():
if idx.column() != 1:
continue
# sqlite3 does not enforce referential integrity.
# we could add a trigger to sqlite3 but if it raises an exception
# it will be thrown away silently.
# if anybody knows how to propagate sqlite3 exceptions via QtSql
# into python please tell me (wrohdewald)
player = self.model.createIndex(idx.row(), 0).data().toInt()[0]
# no query preparation, we don't expect lots of data
if Query("select 1 from game where p0==%d or p1==%d or p2==%d or p3==%d" % \
(player, player, player, player)).records:
Sorry(m18n('This player cannot be deleted. There are games associated with %1.',
idx.data().toString()))
else:
self.model.removeRow(idx.row())
maxDel = max(maxDel, idx.row())
self.view.selectRow(maxDel+1)
def keyPressEvent(self, event):
"""use insert/delete keys for insert/delete"""
key = event.key()
if key == Qt.Key_Insert:
self.slotInsert()
return
QDialog.keyPressEvent(self, event)