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from qtpy import QtCore
from qtpy import QtWidgets
from .. import icons
from . import standard
class FileTree(standard.TreeWidget):
"""A flag list of files presented using a tree widget"""
def __init__(self, parent=None):
standard.TreeWidget.__init__(self, parent=parent)
self.setSelectionMode(self.ExtendedSelection)
self.setHeaderHidden(True)
def set_filenames(self, filenames, select=False):
"""Update the tree to match the specified filenames"""
self.clear()
if not filenames:
return
items = []
from_filename = icons.from_filename
role = QtCore.Qt.UserRole
for filename in filenames:
icon = from_filename(filename)
item = QtWidgets.QTreeWidgetItem()
item.setIcon(0, icon)
item.setText(0, filename)
item.setData(0, role, filename)
items.append(item)
self.addTopLevelItems(items)
if select and items:
items[0].setSelected(True)
def has_selection(self):
"""Does the tree have an item currently selected?"""
return bool(self.selectedItems())
def selected_filenames(self):
"""Return the currently selected filenames"""
items = self.selectedItems()
if not items:
return []
return [filename_from_item(i) for i in items]
def filename_from_item(item):
"""Extract the filename user data from the QTreeWidgetItem"""
return item.data(0, QtCore.Qt.UserRole)
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