setools/setoolsgui/treeview.py
2016-11-13 16:42:42 -05:00

77 lines
2.4 KiB
Python

# Copyright 2016, Chris PeBenito <pebenito@ieee.org>
#
# This file is part of SETools.
#
# SETools is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation, either version 2.1 of
# the License, or (at your option) any later version.
#
# SETools is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with SETools. If not, see
# <http://www.gnu.org/licenses/>.
#
from PyQt5.QtCore import Qt, QModelIndex
from PyQt5.QtGui import QKeySequence, QCursor
from PyQt5.QtWidgets import QAction, QApplication, QFileDialog, QMenu, QTreeWidget, \
QTreeWidgetItemIterator
class SEToolsTreeWidget(QTreeWidget):
"""QTreeWidget class extended for SETools use."""
def __init__(self, parent):
super(SEToolsTreeWidget, self).__init__(parent)
# set up right-click context menu
self.copy_tree_action = QAction("Copy Tree...", self)
self.menu = QMenu(self)
self.menu.addAction(self.copy_tree_action)
# connect signals
self.copy_tree_action.triggered.connect(self.copy_tree)
def contextMenuEvent(self, event):
self.menu.popup(QCursor.pos())
def copy_tree(self):
"""Copy the tree to the clipboard."""
items = []
inval_index = QModelIndex()
it = QTreeWidgetItemIterator(self)
prev_depth = 0
while it.value():
depth = 0
item = it.value()
parent = item.parent()
while parent:
depth += 1
parent = parent.parent()
if depth < prev_depth:
items.extend([" |"*depth, "\n"])
if depth:
items.extend([" |"*depth, "--", item.text(0), "\n"])
else:
items.extend([item.text(0), "\n"])
prev_depth = depth
it += 1
QApplication.clipboard().setText("".join(items))
def event(self, e):
if e == QKeySequence.Copy or e == QKeySequence.Cut:
self.copy_tree()
return True
else:
return super(SEToolsTreeWidget, self).event(e)