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私はQTreeviewを持っており、ユーザーの選択に基づいて、選択したアイテムの親のすべての名前を含む一意の配列を取得したいと考えています。QTreeviewのトップセレクションを返すPyside
子が選択されている場合は親を返し、親が選択されても親を返します。
返して欲しい:
def selectedParents(self):
parents = set()
for index in self.treeview.selectedIndexes():
while index.parent().isValid():
index = index.parent()
parents.add(index.sibling(index.row(), 0))
return [index.data() for index in sorted(parents)]
注selectedIndexes()
は、彼らが選択した順序でインデックスを返し、という、:ここで
>> [Kevin, Michelle, Nikki, Tim]
from PySide import QtGui, QtCore
from PySide import QtSvg, QtXml
import sys
class Person:
def __init__(self, name="", children=None):
self.name = name
self.children = children if children else []
class MainWindow(QtGui.QMainWindow):
def __init__(self, parent=None):
super(MainWindow, self).__init__(parent)
self.resize(300, 400)
self.init_ui()
def init_ui(self):
# Setup Tabs Widget
# self.treeview = QtGui.QTreeView()
self.treeview = QtGui.QTreeView()
self.treeview.setHeaderHidden(True)
self.treeview.setUniformRowHeights(True)
self.treeview.setEditTriggers(QtGui.QAbstractItemView.NoEditTriggers)
self.treeview.setSelectionMode(QtGui.QAbstractItemView.ExtendedSelection)
self.model = QtGui.QStandardItemModel()
self.treeview.setModel(self.model)
self.action = QtGui.QAction('Print', self)
self.action.setShortcut('F5')
self.action.triggered.connect(self.get_checked)
fileMenu = QtGui.QMenu("&File", self)
fileMenu.addAction(self.action)
self.menuBar().addMenu(fileMenu)
# Setup central widget
self.setCentralWidget(self.treeview)
# populate data
self.populate_people()
self.treeview.expandAll()
def populate_people(self):
parents = [
Person("Kevin", [Person("Tom"), Person("Sarah"), Person("Chester")]),
Person("Michelle", [Person("James"), Person("Corey"),Person("Leslie")]),
Person("Doug", [Person("Fred"), Person("Harold"),Person("Stephen")]),
Person("Nikki", [Person("Brody"), Person("Tyson"),Person("Bella")]),
Person("Tim", [Person("Marie"), Person("Val"),Person("Ted")])
]
for p in parents:
self.create_nodes(p, self.model)
def create_nodes(self, node, parent):
tnode = QtGui.QStandardItem()
tnode.setCheckable(True)
tnode.setData(QtCore.Qt.Unchecked, role=QtCore.Qt.CheckStateRole)
tnode.setData(node.name , role=QtCore.Qt.DisplayRole)
tnode.setData(node, role=QtCore.Qt.UserRole) # store object on item
parent.appendRow(tnode)
for x in node.children:
self.create_nodes(x, tnode)
def get_checked(self):
print "collecting parents..."
def main():
app = QtGui.QApplication(sys.argv)
ex = MainWindow()
ex.show()
sys.exit(app.exec_())
if __name__ == '__main__':
main()