mirror of
https://github.com/onionshare/onionshare.git
synced 2024-10-01 01:35:40 -04:00
265 lines
8.6 KiB
Python
265 lines
8.6 KiB
Python
# -*- coding: utf-8 -*-
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"""
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OnionShare | https://onionshare.org/
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Copyright (C) 2017 Micah Lee <micah@micahflee.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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import os
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from PyQt5 import QtCore, QtWidgets, QtGui
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from onionshare import strings, common
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class FileList(QtWidgets.QListWidget):
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"""
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The list of files and folders in the GUI.
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"""
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files_dropped = QtCore.pyqtSignal()
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files_updated = QtCore.pyqtSignal()
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def __init__(self, parent=None):
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super(FileList, self).__init__(parent)
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self.setAcceptDrops(True)
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self.setIconSize(QtCore.QSize(32, 32))
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self.setSortingEnabled(True)
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class DropHereLabel(QtWidgets.QLabel):
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"""
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When there are no files or folders in the FileList yet, display the
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'drop files here' message and graphic.
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"""
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def __init__(self, parent, image=False):
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self.parent = parent
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super(DropHereLabel, self).__init__(parent=parent)
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self.setAcceptDrops(True)
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self.setAlignment(QtCore.Qt.AlignCenter)
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if image:
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self.setPixmap(QtGui.QPixmap.fromImage(QtGui.QImage(common.get_resource_path('images/drop_files.png'))))
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else:
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self.setText(strings._('gui_drag_and_drop', True))
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self.setStyleSheet('color: #999999;')
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self.hide()
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def dragEnterEvent(self, event):
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self.parent.drop_here_image.hide()
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self.parent.drop_here_text.hide()
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event.ignore()
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self.drop_here_image = DropHereLabel(self, True)
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self.drop_here_text = DropHereLabel(self, False)
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self.filenames = []
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self.update()
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def update(self):
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"""
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Update the GUI elements based on the current state.
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"""
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# file list should have a background image if empty
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if len(self.filenames) == 0:
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self.drop_here_image.show()
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self.drop_here_text.show()
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else:
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self.drop_here_image.hide()
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self.drop_here_text.hide()
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def resizeEvent(self, event):
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"""
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When the widget is resized, resize the drop files image and text.
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"""
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self.drop_here_image.setGeometry(0, 0, self.width(), self.height())
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self.drop_here_text.setGeometry(0, 0, self.width(), self.height())
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def dragEnterEvent(self, event):
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"""
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dragEnterEvent for dragging files and directories into the widget.
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"""
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if event.mimeData().hasUrls:
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event.accept()
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else:
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event.ignore()
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def dragLeaveEvent(self, event):
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"""
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dragLeaveEvent for dragging files and directories into the widget.
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"""
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event.accept()
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self.update()
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def dragMoveEvent(self, event):
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"""
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dragMoveEvent for dragging files and directories into the widget.
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"""
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if event.mimeData().hasUrls:
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event.setDropAction(QtCore.Qt.CopyAction)
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event.accept()
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else:
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event.ignore()
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def dropEvent(self, event):
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"""
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dropEvent for dragging files and directories into the widget.
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"""
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if event.mimeData().hasUrls:
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event.setDropAction(QtCore.Qt.CopyAction)
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event.accept()
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for url in event.mimeData().urls():
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filename = str(url.toLocalFile())
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self.add_file(filename)
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else:
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event.ignore()
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self.files_dropped.emit()
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def add_file(self, filename):
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"""
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Add a file or directory to this widget.
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"""
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if filename not in self.filenames:
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self.filenames.append(filename)
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fileinfo = QtCore.QFileInfo(filename)
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basename = os.path.basename(filename.rstrip('/'))
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ip = QtWidgets.QFileIconProvider()
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icon = ip.icon(fileinfo)
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if os.path.isfile(filename):
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size = common.human_readable_filesize(fileinfo.size())
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else:
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size = common.human_readable_filesize(common.dir_size(filename))
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item_name = '{0:s} ({1:s})'.format(basename, size)
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item = QtWidgets.QListWidgetItem(item_name)
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item.setToolTip(size)
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item.setIcon(icon)
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self.addItem(item)
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self.files_updated.emit()
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class FileSelection(QtWidgets.QVBoxLayout):
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"""
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The list of files and folders in the GUI, as well as buttons to add and
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delete the files and folders.
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"""
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def __init__(self):
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super(FileSelection, self).__init__()
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self.server_on = False
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# file list
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self.file_list = FileList()
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self.file_list.currentItemChanged.connect(self.update)
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self.file_list.files_dropped.connect(self.update)
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# buttons
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self.add_files_button = QtWidgets.QPushButton(strings._('gui_add_files', True))
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self.add_files_button.clicked.connect(self.add_files)
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self.add_dir_button = QtWidgets.QPushButton(strings._('gui_add_folder', True))
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self.add_dir_button.clicked.connect(self.add_dir)
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self.delete_button = QtWidgets.QPushButton(strings._('gui_delete', True))
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self.delete_button.clicked.connect(self.delete_file)
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button_layout = QtWidgets.QHBoxLayout()
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button_layout.addWidget(self.add_files_button)
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button_layout.addWidget(self.add_dir_button)
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button_layout.addWidget(self.delete_button)
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# add the widgets
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self.addWidget(self.file_list)
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self.addLayout(button_layout)
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self.update()
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def update(self):
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"""
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Update the GUI elements based on the current state.
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"""
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# all buttons should be disabled if the server is on
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if self.server_on:
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self.add_files_button.setEnabled(False)
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self.add_dir_button.setEnabled(False)
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self.delete_button.setEnabled(False)
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else:
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self.add_files_button.setEnabled(True)
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self.add_dir_button.setEnabled(True)
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# delete button should be disabled if item isn't selected
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current_item = self.file_list.currentItem()
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if not current_item:
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self.delete_button.setEnabled(False)
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else:
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self.delete_button.setEnabled(True)
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# update the file list
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self.file_list.update()
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def add_files(self):
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"""
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Add files button clicked.
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"""
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filenames = QtWidgets.QFileDialog.getOpenFileNames(
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caption=strings._('gui_choose_files', True), options=QtWidgets.QFileDialog.ReadOnly)
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if filenames:
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for filename in filenames[0]:
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self.file_list.add_file(filename)
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self.update()
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def add_dir(self):
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"""
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Add folder button clicked.
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"""
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filename = QtWidgets.QFileDialog.getExistingDirectory(
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caption=strings._('gui_choose_folder', True), options=QtWidgets.QFileDialog.ReadOnly)
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if filename:
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self.file_list.add_file(str(filename))
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self.update()
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def delete_file(self):
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"""
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Delete button clicked
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"""
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current_row = self.file_list.currentRow()
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self.file_list.filenames.pop(current_row)
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self.file_list.takeItem(current_row)
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self.update()
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def server_started(self):
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"""
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Gets called when the server starts.
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"""
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self.server_on = True
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self.file_list.setAcceptDrops(False)
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self.update()
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def server_stopped(self):
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"""
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Gets called when the server stops.
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"""
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self.server_on = False
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self.file_list.setAcceptDrops(True)
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self.update()
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def get_num_files(self):
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"""
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Returns the total number of files and folders in the list.
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"""
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return len(self.file_list.filenames)
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def setFocus(self):
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"""
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Set the Qt app focus on the file selection box.
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"""
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self.file_list.setFocus()
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