def display(self):
'''
Initialize top-level items
'''
if len(self.items) == 0:
return
self.tree.clear()
# If there is only one item then set it as the root item
if len(self.items) == 1:
rootItem = self.items[0]
# Set root font
rtFont = rootItem.font(0)
rtFont.setBold(True)
rootItem.setFont(0, rtFont)
# Add the tree item to the tree widget
self.tree.addTopLevelItem(rootItem)
rootItem.setExpanded(True)
else:
rootItem = QTreeWidgetItem(self.tree)
rootItem.setText(0, self.title)
rootItem.setIcon(0, QIcon(self.rootResource))
# Set root font
rtFont = rootItem.font(0)
rtFont.setBold(True)
rootItem.setFont(0, rtFont)
rootItem.addChildren(self.items)
rootItem.setExpanded(True)
# Force the horizontal scrollbar to show
self.tree.header().setSectionResizeMode(QHeaderView.ResizeToContents)
