本文整理汇总了Python中qgis.PyQt.QtWidgets.QTreeWidgetItem.columnCount方法的典型用法代码示例。如果您正苦于以下问题：Python QTreeWidgetItem.columnCount方法的具体用法？Python QTreeWidgetItem.columnCount怎么用？Python QTreeWidgetItem.columnCount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qgis.PyQt.QtWidgets.QTreeWidgetItem的用法示例。
在下文中一共展示了QTreeWidgetItem.columnCount方法的1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: DSManagerModel
# 需要导入模块: from qgis.PyQt.QtWidgets import QTreeWidgetItem [as 别名]
# 或者: from qgis.PyQt.QtWidgets.QTreeWidgetItem import columnCount [as 别名]
#.........这里部分代码省略.........
return True
def updateChecks(self, index, checkState):
if self.hasChildren(index):
for row in range(0, self.rowCount(index)):
childItem = index.internalPointer().child(row)
childItem.setCheckState(index.column(), checkState)
self.dataChanged.emit(
self.index(0, index.column(), index),
self.index(row, index.column(), index)
)
else:
parentIndex = self.parent(index)
parentItem = parentIndex.internalPointer()
diff = False
for row in range(0, self.rowCount(parentIndex)):
childItem = parentItem.child(row)
if childItem.checkState(index.column()) != checkState:
diff = True
break
if diff:
parentItem.setCheckState(index.column(), Qt.PartiallyChecked)
else:
parentItem.setCheckState(index.column(), checkState)
self.dataChanged.emit(
parentIndex,
parentIndex
)
def columnCount(self, parent):
if parent.isValid():
return parent.internalPointer().columnCount()
else:
return self.rootItem.columnCount()
def data(self, index, role):
if not index.isValid():
return None
if role not in [Qt.DisplayRole, Qt.CheckStateRole, Qt.DecorationRole, Qt.UserRole]:
return None
item = index.internalPointer()
return item.data(index.column(), role)
def flags(self, index):
if not index.isValid():
item = self.rootItem
else:
item = index.internalPointer()
return item.flags()
def headerData(self, section, orientation, role):
if orientation == Qt.Horizontal and role == Qt.DisplayRole:
return self.rootItem.data(section, Qt.DisplayRole)
return None
def index(self, row, column, parent):
if not self.hasIndex(row, column, parent):
return QModelIndex()