本文整理汇总了Python中PyQt4.QtCore.QAbstractItemModel.setData方法的典型用法代码示例。如果您正苦于以下问题：Python QAbstractItemModel.setData方法的具体用法？Python QAbstractItemModel.setData怎么用？Python QAbstractItemModel.setData使用的例子？那么恭喜您, 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.QtCore.QAbstractItemModel的用法示例。
在下文中一共展示了QAbstractItemModel.setData方法的2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: setData
# 需要导入模块: from PyQt4.QtCore import QAbstractItemModel [as 别名]
# 或者: from PyQt4.QtCore.QAbstractItemModel import setData [as 别名]
def setData(self, index, value, role):
if not index.isValid():
return False
item = index.internalPointer().node()
if role == Qt.CheckStateRole:
# a checkbox was modified
progress, success = value.toInt()
item.toElement().setAttribute("percentageComplete",str(progress*50))
# check children
numChildren = item.childNodes().count()
if numChildren > 0 and progress == Qt.Checked:
for i in xrange(0,numChildren):
self.setData(index.child(i,0),value,role)
self.dataChanged.emit(index,index.child(numChildren-1,0))
if progress == Qt.Unchecked:
self.setData(index.parent(),value,role)
self.dataChanged.emit(index.parent(),index)
return True
elif role == Qt.EditRole:
if index.column() == 0:
# task desc
item.toElement().setAttribute("subject",
unicode(value.toString()))
self.dataChanged.emit(index,index)
return True
elif index.column() == 1:
# task progress
item.toElement().setAttribute("percentageComplete",
str(value.toString()))
self.dataChanged.emit(index,index)
progress, success = value.toInt()
if progress == 100:
# if task is now completed, update children
# FIXME: this doesn't work and I don't understand why :(
numChildren = item.childNodes().count()
if numChildren > 0:
for i in xrange(0,numChildren):
self.setData(index.child(i,1),value,role)
self.dataChanged.emit(index,index.child(numChildren-1,1))
return True
elif progress < 100:
# if task is now NOT complete and parent is, update parent.
# this works
if self.data(index.parent(),Qt.CheckStateRole) == Qt.Checked:
parentIndex = self.index(index.parent().row(),index.column(),index.parent().parent())
self.setData(parentIndex,value,role)
self.dataChanged.emit(index.parent(),index)
return True
return True
# for everything else, do the generic thing
return QAbstractItemModel.setData(self,index,value,role)示例2: setData
# 需要导入模块: from PyQt4.QtCore import QAbstractItemModel [as 别名]
# 或者: from PyQt4.QtCore.QAbstractItemModel import setData [as 别名]
def setData(self, index, value, role):
"""
\reimp
Set the data which value is `value` at index `index` with role `role`.
\return `True` if no error occured, `False` otherwise.
"""
if not index.isValid():
return QVariant()
column = index.column()
if role == Qt.CheckStateRole:
if column == HNAME:
node = self.VFS.getNodeFromPointer(index.internalId())
if value == Qt.Unchecked:
if (long(node.this), 1) in self.checkedNodes:
self.checkedNodes.remove((long(node.this), 1))
else:
self.checkedNodes.add((long(node.this) , 1))
QAbstractItemModel.setData(self, index, value, role)
return True