from PyQt4 import QtGui, QtCore
class Window(QtGui.QWidget):
def __init__(self):
QtGui.QWidget.__init__(self)
self.tree1 = QtGui.QTreeWidget(self)
self.tree2 = QtGui.QTreeWidget(self)
layout = QtGui.QHBoxLayout(self)
for tree in (self.tree1, self.tree2):
tree.header().hide()
tree.itemExpanded.connect(self.handleExpanded)
tree.itemCollapsed.connect(self.handleCollapsed)
for text in 'one two three four'.split():
item = QtGui.QTreeWidgetItem(tree, [text])
for text in 'red blue green'.split():
child = QtGui.QTreeWidgetItem(item, [text])
layout.addWidget(tree)
def handleExpanded(self, item):
self.syncExpansion(item, True)
def handleCollapsed(self, item):
self.syncExpansion(item, False)
def syncExpansion(self, item, expand=True):
if item is not None:
tree = item.treeWidget()
if tree is self.tree1:
tree = self.tree2
else:
tree = self.tree1
text = item.text(0)
for other in tree.findItems(text, QtCore.Qt.MatchFixedString):
other.setExpanded(expand)
if __name__ == '__main__':
import sys
app = QtGui.QApplication(sys.argv)
window = Window()
window.setGeometry(300, 500, 300, 300)
window.show()
sys.exit(app.exec_())
这个问题对细节有点轻描淡写,因为它没有指定什么是“相同”的项目,也没有说明哪些项目可以扩展。在
但是,这个简单的演示脚本应该提供一个合理的起点:
相关问题 更多 >
编程相关推荐