mirror of
https://github.com/onionshare/onionshare.git
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afc9568f30
Add pluralisation of filemanager total file(s) Use 'timer expired' rather than 'timeout reached'
408 lines
14 KiB
Python
408 lines
14 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 .alert import Alert
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from onionshare import strings, common
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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/logo_transparent.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.accept()
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class DropCountLabel(QtWidgets.QLabel):
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"""
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While dragging files over the FileList, this counter displays the
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number of files you're dragging.
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"""
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def __init__(self, parent):
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self.parent = parent
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super(DropCountLabel, self).__init__(parent=parent)
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self.setAcceptDrops(True)
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self.setAlignment(QtCore.Qt.AlignCenter)
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self.setText(strings._('gui_drag_and_drop', True))
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self.setStyleSheet('color: #ffffff; background-color: #f44449; font-weight: bold; padding: 5px 10px; border-radius: 10px;')
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self.hide()
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def dragEnterEvent(self, event):
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self.hide()
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event.accept()
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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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self.setMinimumHeight(200)
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self.setSelectionMode(QtWidgets.QAbstractItemView.ExtendedSelection)
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self.filenames = []
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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.drop_count = DropCountLabel(self)
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self.resizeEvent(None)
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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 server_started(self):
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"""
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Update the GUI when the server starts, by hiding delete buttons.
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"""
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self.setAcceptDrops(False)
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self.setCurrentItem(None)
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self.setSelectionMode(QtWidgets.QAbstractItemView.NoSelection)
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for index in range(self.count()):
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self.item(index).item_button.hide()
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def server_stopped(self):
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"""
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Update the GUI when the server stops, by showing delete buttons.
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"""
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self.setAcceptDrops(True)
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self.setSelectionMode(QtWidgets.QAbstractItemView.ExtendedSelection)
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for index in range(self.count()):
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self.item(index).item_button.show()
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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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offset = 70
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self.drop_here_image.setGeometry(0, 0, self.width(), self.height() - offset)
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self.drop_here_text.setGeometry(0, offset, self.width(), self.height() - offset)
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if self.count() > 0:
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# Add and delete an empty item, to force all items to get redrawn
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# This is ugly, but the only way I could figure out how to proceed
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item = QtWidgets.QListWidgetItem('fake item')
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self.addItem(item)
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self.takeItem(self.row(item))
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self.update()
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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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self.setStyleSheet('FileList { border: 3px solid #538ad0; }')
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count = len(event.mimeData().urls())
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self.drop_count.setText('+{}'.format(count))
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size_hint = self.drop_count.sizeHint()
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self.drop_count.setGeometry(self.width() - size_hint.width() - 10, self.height() - size_hint.height() - 10, size_hint.width(), size_hint.height())
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self.drop_count.show()
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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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self.setStyleSheet('FileList { border: none; }')
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self.drop_count.hide()
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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.setStyleSheet('border: none;')
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self.drop_count.hide()
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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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if not os.access(filename, os.R_OK):
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Alert(strings._("not_a_readable_file", True).format(filename))
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return
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self.filenames.append(filename)
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# Re-sort the list internally
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self.filenames.sort()
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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_bytes = fileinfo.size()
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size_readable = common.human_readable_filesize(size_bytes)
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else:
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size_bytes = common.dir_size(filename)
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size_readable = common.human_readable_filesize(size_bytes)
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# Create a new item
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item = QtWidgets.QListWidgetItem()
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item.setIcon(icon)
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item.size_bytes = size_bytes
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# Item's name and size labels
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item_name = QtWidgets.QLabel(basename)
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item_name.setWordWrap(False)
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item_name.setSizePolicy(QtWidgets.QSizePolicy.Ignored, QtWidgets.QSizePolicy.Fixed)
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item_name.setStyleSheet('QLabel { color: #000000; font-size: 13px; }')
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item_size = QtWidgets.QLabel(size_readable)
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item_size.setStyleSheet('QLabel { color: #666666; font-size: 11px; }')
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# Item's delete button
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def delete_item():
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itemrow = self.row(item)
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self.filenames.pop(itemrow)
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self.takeItem(itemrow)
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self.files_updated.emit()
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item.item_button = QtWidgets.QPushButton()
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item.item_button.setDefault(False)
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item.item_button.setFlat(True)
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item.item_button.setIcon( QtGui.QIcon(common.get_resource_path('images/file_delete.png')) )
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item.item_button.clicked.connect(delete_item)
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item.item_button.setSizePolicy(QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Fixed)
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# Create the item's widget and layouts
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item_vlayout = QtWidgets.QVBoxLayout()
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item_vlayout.addWidget(item_name)
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item_vlayout.addWidget(item_size)
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item_hlayout = QtWidgets.QHBoxLayout()
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item_hlayout.addLayout(item_vlayout)
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item_hlayout.addWidget(item.item_button)
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widget = QtWidgets.QWidget()
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widget.setLayout(item_hlayout)
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item.setSizeHint(widget.sizeHint())
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self.addItem(item)
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self.setItemWidget(item, widget)
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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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# Info label
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self.info_label = QtWidgets.QLabel()
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self.info_label.setStyleSheet('QLabel { font-size: 12px; color: #666666; }')
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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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self.file_list.files_updated.connect(self.update)
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# Buttons
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self.add_button = QtWidgets.QPushButton(strings._('gui_add', True))
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self.add_button.clicked.connect(self.add)
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self.delete_button = QtWidgets.QPushButton(strings._('gui_delete', True))
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self.delete_button.clicked.connect(self.delete)
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button_layout = QtWidgets.QHBoxLayout()
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button_layout.addStretch()
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button_layout.addWidget(self.add_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.info_label)
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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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# Update the info label
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file_count = self.file_list.count()
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if file_count == 0:
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self.info_label.hide()
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else:
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total_size_bytes = 0
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for index in range(self.file_list.count()):
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item = self.file_list.item(index)
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total_size_bytes += item.size_bytes
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total_size_readable = common.human_readable_filesize(total_size_bytes)
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if file_count > 1:
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self.info_label.setText(strings._('gui_file_info', True).format(file_count, total_size_readable))
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else:
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self.info_label.setText(strings._('gui_file_info_single', True).format(file_count, total_size_readable))
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self.info_label.show()
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# All buttons should be hidden if the server is on
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if self.server_on:
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self.add_button.hide()
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self.delete_button.hide()
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else:
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self.add_button.show()
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# Delete button should be hidden 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.hide()
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else:
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self.delete_button.show()
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# Update the file list
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self.file_list.update()
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def add(self):
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"""
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Add button clicked.
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"""
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file_dialog = FileDialog(caption=strings._('gui_choose_items', True))
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if file_dialog.exec_() == QtWidgets.QDialog.Accepted:
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for filename in file_dialog.selectedFiles():
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self.file_list.add_file(filename)
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self.file_list.setCurrentItem(None)
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self.update()
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def delete(self):
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"""
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Delete button clicked
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"""
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selected = self.file_list.selectedItems()
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for item in selected:
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itemrow = self.file_list.row(item)
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self.file_list.filenames.pop(itemrow)
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self.file_list.takeItem(itemrow)
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self.file_list.files_updated.emit()
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self.file_list.setCurrentItem(None)
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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.server_started()
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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.server_stopped()
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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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class FileDialog(QtWidgets.QFileDialog):
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"""
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Overridden version of QFileDialog which allows us to select
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folders as well as, or instead of, files.
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"""
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def __init__(self, *args, **kwargs):
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QtWidgets.QFileDialog.__init__(self, *args, **kwargs)
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self.setOption(self.DontUseNativeDialog, True)
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self.setOption(self.ReadOnly, True)
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self.setOption(self.ShowDirsOnly, False)
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self.setFileMode(self.ExistingFiles)
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tree_view = self.findChild(QtWidgets.QTreeView)
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tree_view.setSelectionMode(QtWidgets.QAbstractItemView.ExtendedSelection)
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list_view = self.findChild(QtWidgets.QListView, "listView")
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list_view.setSelectionMode(QtWidgets.QAbstractItemView.ExtendedSelection)
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def accept(self):
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QtWidgets.QDialog.accept(self)
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