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Make ShareMode and ReceiveMode directories, and move ShareMode modules into its dir

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Micah Lee 2018-04-24 17:26:54 -07:00
parent 3b150f0cb4
commit aa372ce585
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onionshare_gui/file_selection.py
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# -*- coding: utf-8 -*-
"""
OnionShare | https://onionshare.org/
Copyright (C) 2014-2018 Micah Lee <micah@micahflee.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
import os
from PyQt5 import QtCore, QtWidgets, QtGui
from .alert import Alert
from onionshare import strings
class DropHereLabel(QtWidgets.QLabel):
"""
When there are no files or folders in the FileList yet, display the
'drop files here' message and graphic.
"""
def __init__(self, common, parent, image=False):
self.parent = parent
super(DropHereLabel, self).__init__(parent=parent)
self.common = common
self.setAcceptDrops(True)
self.setAlignment(QtCore.Qt.AlignCenter)
if image:
self.setPixmap(QtGui.QPixmap.fromImage(QtGui.QImage(self.common.get_resource_path('images/logo_transparent.png'))))
else:
self.setText(strings._('gui_drag_and_drop', True))
self.setStyleSheet('color: #999999;')
self.hide()
def dragEnterEvent(self, event):
self.parent.drop_here_image.hide()
self.parent.drop_here_text.hide()
event.accept()
class DropCountLabel(QtWidgets.QLabel):
"""
While dragging files over the FileList, this counter displays the
number of files you're dragging.
"""
def __init__(self, common, parent):
self.parent = parent
super(DropCountLabel, self).__init__(parent=parent)
self.common = common
self.setAcceptDrops(True)
self.setAlignment(QtCore.Qt.AlignCenter)
self.setText(strings._('gui_drag_and_drop', True))
self.setStyleSheet('color: #ffffff; background-color: #f44449; font-weight: bold; padding: 5px 10px; border-radius: 10px;')
self.hide()
def dragEnterEvent(self, event):
self.hide()
event.accept()
class FileList(QtWidgets.QListWidget):
"""
The list of files and folders in the GUI.
"""
files_dropped = QtCore.pyqtSignal()
files_updated = QtCore.pyqtSignal()
def __init__(self, common, parent=None):
super(FileList, self).__init__(parent)
self.common = common
self.setAcceptDrops(True)
self.setIconSize(QtCore.QSize(32, 32))
self.setSortingEnabled(True)
self.setMinimumHeight(205)
self.setSelectionMode(QtWidgets.QAbstractItemView.ExtendedSelection)
self.drop_here_image = DropHereLabel(self.common, self, True)
self.drop_here_text = DropHereLabel(self.common, self, False)
self.drop_count = DropCountLabel(self.common, self)
self.resizeEvent(None)
self.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOn)
def update(self):
"""
Update the GUI elements based on the current state.
"""
# file list should have a background image if empty
if self.count() == 0:
self.drop_here_image.show()
self.drop_here_text.show()
else:
self.drop_here_image.hide()
self.drop_here_text.hide()
def server_started(self):
"""
Update the GUI when the server starts, by hiding delete buttons.
"""
self.setAcceptDrops(False)
self.setCurrentItem(None)
self.setSelectionMode(QtWidgets.QAbstractItemView.NoSelection)
for index in range(self.count()):
self.item(index).item_button.hide()
def server_stopped(self):
"""
Update the GUI when the server stops, by showing delete buttons.
"""
self.setAcceptDrops(True)
self.setSelectionMode(QtWidgets.QAbstractItemView.ExtendedSelection)
for index in range(self.count()):
self.item(index).item_button.show()
def resizeEvent(self, event):
"""
When the widget is resized, resize the drop files image and text.
"""
offset = 70
self.drop_here_image.setGeometry(0, 0, self.width(), self.height() - offset)
self.drop_here_text.setGeometry(0, offset, self.width(), self.height() - offset)
if self.count() > 0:
# Add and delete an empty item, to force all items to get redrawn
# This is ugly, but the only way I could figure out how to proceed
item = QtWidgets.QListWidgetItem('fake item')
self.addItem(item)
self.takeItem(self.row(item))
self.update()
# Extend any filenames that were truncated to fit the window
# We use 200 as a rough guess at how wide the 'file size + delete button' widget is
# and extend based on the overall width minus that amount.
for index in range(self.count()):
metrics = QtGui.QFontMetrics(self.item(index).font())
elided = metrics.elidedText(self.item(index).basename, QtCore.Qt.ElideRight, self.width() - 200)
self.item(index).setText(elided)
def dragEnterEvent(self, event):
"""
dragEnterEvent for dragging files and directories into the widget.
"""
if event.mimeData().hasUrls:
self.setStyleSheet('FileList { border: 3px solid #538ad0; }')
count = len(event.mimeData().urls())
self.drop_count.setText('+{}'.format(count))
size_hint = self.drop_count.sizeHint()
self.drop_count.setGeometry(self.width() - size_hint.width() - 10, self.height() - size_hint.height() - 10, size_hint.width(), size_hint.height())
self.drop_count.show()
event.accept()
else:
event.ignore()
def dragLeaveEvent(self, event):
"""
dragLeaveEvent for dragging files and directories into the widget.
"""
self.setStyleSheet('FileList { border: none; }')
self.drop_count.hide()
event.accept()
self.update()
def dragMoveEvent(self, event):
"""
dragMoveEvent for dragging files and directories into the widget.
"""
if event.mimeData().hasUrls:
event.setDropAction(QtCore.Qt.CopyAction)
event.accept()
else:
event.ignore()
def dropEvent(self, event):
"""
dropEvent for dragging files and directories into the widget.
"""
if event.mimeData().hasUrls:
event.setDropAction(QtCore.Qt.CopyAction)
event.accept()
for url in event.mimeData().urls():
filename = str(url.toLocalFile())
self.add_file(filename)
else:
event.ignore()
self.setStyleSheet('border: none;')
self.drop_count.hide()
self.files_dropped.emit()
def add_file(self, filename):
"""
Add a file or directory to this widget.
"""
filenames = []
for index in range(self.count()):
filenames.append(self.item(index).filename)
if filename not in filenames:
if not os.access(filename, os.R_OK):
Alert(self.common, strings._("not_a_readable_file", True).format(filename))
return
fileinfo = QtCore.QFileInfo(filename)
ip = QtWidgets.QFileIconProvider()
icon = ip.icon(fileinfo)
if os.path.isfile(filename):
size_bytes = fileinfo.size()
size_readable = self.common.human_readable_filesize(size_bytes)
else:
size_bytes = self.common.dir_size(filename)
size_readable = self.common.human_readable_filesize(size_bytes)
# Create a new item
item = QtWidgets.QListWidgetItem()
item.setIcon(icon)
item.size_bytes = size_bytes
# Item's filename attribute and size labels
item.filename = filename
item_size = QtWidgets.QLabel(size_readable)
item_size.setStyleSheet('QLabel { color: #666666; font-size: 11px; }')
item.basename = os.path.basename(filename.rstrip('/'))
# Use the basename as the method with which to sort the list
metrics = QtGui.QFontMetrics(item.font())
elided = metrics.elidedText(item.basename, QtCore.Qt.ElideRight, self.sizeHint().width())
item.setData(QtCore.Qt.DisplayRole, elided)
# Item's delete button
def delete_item():
itemrow = self.row(item)
self.takeItem(itemrow)
self.files_updated.emit()
item.item_button = QtWidgets.QPushButton()
item.item_button.setDefault(False)
item.item_button.setFlat(True)
item.item_button.setIcon( QtGui.QIcon(self.common.get_resource_path('images/file_delete.png')) )
item.item_button.clicked.connect(delete_item)
item.item_button.setSizePolicy(QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Fixed)
# Item info widget, with a white background
item_info_layout = QtWidgets.QHBoxLayout()
item_info_layout.addWidget(item_size)
item_info_layout.addWidget(item.item_button)
item_info = QtWidgets.QWidget()
item_info.setObjectName('item-info')
item_info.setLayout(item_info_layout)
# Create the item's widget and layouts
item_hlayout = QtWidgets.QHBoxLayout()
item_hlayout.addStretch()
item_hlayout.addWidget(item_info)
widget = QtWidgets.QWidget()
widget.setLayout(item_hlayout)
item.setSizeHint(widget.sizeHint())
self.addItem(item)
self.setItemWidget(item, widget)
self.files_updated.emit()
class FileSelection(QtWidgets.QVBoxLayout):
"""
The list of files and folders in the GUI, as well as buttons to add and
delete the files and folders.
"""
def __init__(self, common):
super(FileSelection, self).__init__()
self.common = common
self.server_on = False
# File list
self.file_list = FileList(self.common)
self.file_list.itemSelectionChanged.connect(self.update)
self.file_list.files_dropped.connect(self.update)
self.file_list.files_updated.connect(self.update)
# Buttons
self.add_button = QtWidgets.QPushButton(strings._('gui_add', True))
self.add_button.clicked.connect(self.add)
self.delete_button = QtWidgets.QPushButton(strings._('gui_delete', True))
self.delete_button.clicked.connect(self.delete)
button_layout = QtWidgets.QHBoxLayout()
button_layout.addStretch()
button_layout.addWidget(self.add_button)
button_layout.addWidget(self.delete_button)
# Add the widgets
self.addWidget(self.file_list)
self.addLayout(button_layout)
self.update()
def update(self):
"""
Update the GUI elements based on the current state.
"""
# All buttons should be hidden if the server is on
if self.server_on:
self.add_button.hide()
self.delete_button.hide()
else:
self.add_button.show()
# Delete button should be hidden if item isn't selected
if len(self.file_list.selectedItems()) == 0:
self.delete_button.hide()
else:
self.delete_button.show()
# Update the file list
self.file_list.update()
def add(self):
"""
Add button clicked.
"""
file_dialog = FileDialog(caption=strings._('gui_choose_items', True))
if file_dialog.exec_() == QtWidgets.QDialog.Accepted:
for filename in file_dialog.selectedFiles():
self.file_list.add_file(filename)
self.file_list.setCurrentItem(None)
self.update()
def delete(self):
"""
Delete button clicked
"""
selected = self.file_list.selectedItems()
for item in selected:
itemrow = self.file_list.row(item)
self.file_list.takeItem(itemrow)
self.file_list.files_updated.emit()
self.file_list.setCurrentItem(None)
self.update()
def server_started(self):
"""
Gets called when the server starts.
"""
self.server_on = True
self.file_list.server_started()
self.update()
def server_stopped(self):
"""
Gets called when the server stops.
"""
self.server_on = False
self.file_list.server_stopped()
self.update()
def get_num_files(self):
"""
Returns the total number of files and folders in the list.
"""
return len(range(self.file_list.count()))
def setFocus(self):
"""
Set the Qt app focus on the file selection box.
"""
self.file_list.setFocus()
class FileDialog(QtWidgets.QFileDialog):
"""
Overridden version of QFileDialog which allows us to select
folders as well as, or instead of, files.
"""
def __init__(self, *args, **kwargs):
QtWidgets.QFileDialog.__init__(self, *args, **kwargs)
self.setOption(self.DontUseNativeDialog, True)
self.setOption(self.ReadOnly, True)
self.setOption(self.ShowDirsOnly, False)
self.setFileMode(self.ExistingFiles)
tree_view = self.findChild(QtWidgets.QTreeView)
tree_view.setSelectionMode(QtWidgets.QAbstractItemView.ExtendedSelection)
list_view = self.findChild(QtWidgets.QListView, "listView")
list_view.setSelectionMode(QtWidgets.QAbstractItemView.ExtendedSelection)
def accept(self):
QtWidgets.QDialog.accept(self)