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UI for setting per library restrictions

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Kovid Goyal 2017-05-18 21:35:58 +05:30
parent 2235bfaec8
commit 34897ec953
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1 changed files with 102 additions and 27 deletions
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129
src/calibre/gui2/preferences/server.py
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@ -6,15 +6,18 @@ import os
import textwrap
import time
import sip
from PyQt5.Qt import (
QCheckBox, QComboBox, QDialog, QDialogButtonBox, QDoubleSpinBox, QFormLayout,
QHBoxLayout, QIcon, QLabel, QLineEdit, QListWidget, QListWidgetItem,
QPlainTextEdit, QPushButton, QScrollArea, QSize, QSizePolicy, QSpinBox, Qt,
QTabWidget, QTimer, QUrl, QVBoxLayout, QWidget, pyqtSignal
QFrame, QHBoxLayout, QIcon, QLabel, QLineEdit, QListWidget, QPlainTextEdit,
QPushButton, QScrollArea, QSize, QSizePolicy, QSpinBox, Qt, QTabWidget, QTimer,
QUrl, QVBoxLayout, QWidget, pyqtSignal
)
from calibre import as_unicode
from calibre.gui2 import config, error_dialog, info_dialog, open_url, warning_dialog, gprefs
from calibre.gui2 import (
config, error_dialog, gprefs, info_dialog, open_url, warning_dialog
)
from calibre.gui2.preferences import AbortCommit, ConfigWidgetBase, test_widget
from calibre.srv.library_broker import load_gui_libraries
from calibre.srv.opts import change_settings, options, server_config
@ -372,21 +375,75 @@ class NewUser(QDialog):
return QDialog.accept(self)
class Library(QWidget):
restriction_changed = pyqtSignal(object, object)
def __init__(self, name, is_checked=False, path='', restriction='', parent=None, is_first=False, enable_on_checked=True):
QWidget.__init__(self, parent)
self.name = name
self.enable_on_checked = enable_on_checked
self.l = l = QVBoxLayout(self)
l.setSizeConstraint(l.SetMinAndMaxSize)
if not is_first:
self.border = b = QFrame(self)
b.setFrameStyle(b.HLine)
l.addWidget(b)
self.cw = cw = QCheckBox(name)
cw.setStyleSheet('QCheckBox { font-weight: bold }')
cw.setChecked(is_checked)
cw.stateChanged.connect(self.state_changed)
if path:
cw.setToolTip(path)
l.addWidget(cw)
self.la = la = QLabel(_('Further &restrict access to books in this library that match:'))
l.addWidget(la)
self.rw = rw = QLineEdit(self)
rw.setPlaceholderText(_('A search expression'))
rw.setToolTip(textwrap.fill(_(
'A search expression. If specified, access will be further restricted'
' to only those books that match this expression. For example:'
' tags:"=Share"')))
rw.setText(restriction or '')
rw.textChanged.connect(self.on_rchange)
la.setBuddy(rw)
l.addWidget(rw)
self.state_changed()
def state_changed(self):
c = self.cw.isChecked()
w = (self.enable_on_checked and c) or (not self.enable_on_checked and not c)
for x in (self.la, self.rw):
x.setEnabled(bool(w))
def on_rchange(self):
self.restriction_changed.emit(self.name, self.restriction)
@property
def is_checked(self):
return self.cw.isChecked()
@property
def restriction(self):
return self.rw.text().strip()
class ChangeRestriction(QDialog):
def __init__(self, username, restriction, parent=None):
QDialog.__init__(self, parent)
self.setWindowTitle(_('Change library access permissions for {}').format(username))
self.username = username
self._items = []
self.l = l = QFormLayout(self)
l.setFieldGrowthPolicy(l.AllNonFixedFieldsGrow)
self.libraries = t = QListWidget(self)
t.setSelectionMode(t.NoSelection)
t.itemClicked.connect(self.item_clicked)
t.setCursor(Qt.PointingHandCursor)
self.libraries = t = QWidget(self)
t.setObjectName('libraries')
t.l = QVBoxLayout(self.libraries)
self.atype = a = QComboBox(self)
a.addItems([_('All libraries'), _('Only the specified libraries'), _('All except the specified libraries')])
self.library_restrictions = restriction['library_restrictions'].copy()
if restriction['allowed_library_names']:
a.setCurrentIndex(1)
self.items = restriction['allowed_library_names']
@ -403,34 +460,43 @@ class ChangeRestriction(QDialog):
l.addRow(la)
self.la = la = QLabel(_('Specify the libraries below:'))
la.setWordWrap(True)
l.addRow(la), l.addRow(t)
self.sa = sa = QScrollArea(self)
sa.setWidget(t), sa.setWidgetResizable(True)
l.addRow(la), l.addRow(sa)
self.atype_changed()
self.bb = bb = QDialogButtonBox(
QDialogButtonBox.Ok | QDialogButtonBox.Cancel
)
bb.accepted.connect(self.accept), bb.rejected.connect(self.reject)
l.addRow(bb)
l.addWidget(bb)
self.items = self.items
def item_clicked(self, item):
item.setCheckState(Qt.Checked if item.checkState() != Qt.Checked else Qt.Unchecked)
def sizeHint(self):
return QSize(800, 600)
def __iter__(self):
for c in range(self.libraries.count()):
yield self.libraries.item(c)
return iter(self._items)
@property
def items(self):
return frozenset(item.text() for item in self if item.checkState() == Qt.Checked)
return frozenset(item.name for item in self if item.is_checked)
def clear(self):
for c in self:
self.libraries.l.removeWidget(c)
c.setParent(None)
c.restriction_changed.disconnect()
sip.delete(c)
self._items = []
@items.setter
def items(self, val):
self.clear()
checked_libraries = frozenset(val)
library_paths = load_gui_libraries(gprefs)
gui_libraries = {os.path.basename(l):l for l in library_paths}
case_map = {l.lower():l for l in checked_libraries}
lchecked_libraries = {v:k for k, v in case_map.iteritems()}
lchecked_libraries = {l.lower() for l in checked_libraries}
seen = set()
items = []
for x in checked_libraries | set(gui_libraries):
@ -439,20 +505,29 @@ class ChangeRestriction(QDialog):
seen.add(xl)
items.append((x, xl in lchecked_libraries))
items.sort(key=lambda x: primary_sort_key(x[0]))
self.libraries.clear()
for l, checked in items:
i = QListWidgetItem(l, self.libraries)
i.setCheckState(Qt.Checked if checked else Qt.Unchecked)
i.setFlags(i.flags() & ~Qt.ItemIsUserCheckable)
if l in gui_libraries:
i.setToolTip(gui_libraries[l])
enable_on_checked = self.atype.currentIndex() == 1
for i, (l, checked) in enumerate(items):
l = Library(
l, checked, path=gui_libraries.get(l, ''),
restriction=self.library_restrictions.get(l.lower(), ''),
parent=self.libraries, is_first=i == 0,
enable_on_checked=enable_on_checked
)
l.restriction_changed.connect(self.restriction_changed)
self.libraries.l.addWidget(l)
self._items.append(l)
def restriction_changed(self, name, val):
name = name.lower()
self.library_restrictions[name] = val
@property
def restriction(self):
ans = {'allowed_library_names': frozenset(), 'blocked_library_names': frozenset()}
ans = {'allowed_library_names': frozenset(), 'blocked_library_names': frozenset(), 'library_restrictions': {}}
if self.atype.currentIndex() != 0:
k = ['allowed_library_names', 'blocked_library_names'][self.atype.currentIndex() - 1]
ans[k] = self.items
ans['library_restrictions'] = self.library_restrictions
return ans
def accept(self):
@ -463,7 +538,7 @@ class ChangeRestriction(QDialog):
def atype_changed(self):
ci = self.atype.currentIndex()
sheet = 'QListView::item { padding: 3px }'
sheet = ''
if ci == 0:
m = _('<b>{} is allowed access to all libraries')
self.libraries.setEnabled(False), self.la.setEnabled(False)
@ -474,7 +549,7 @@ class ChangeRestriction(QDialog):
else:
m = _('{} is allowed access to all libraries, <b>except</b> those'
' whose names match one of the names specified below.')
sheet += 'QListView { background-color: #FAE7B5}'
sheet += 'QWidget#libraries { background-color: #FAE7B5}'
self.libraries.setEnabled(True), self.la.setEnabled(True)
self.items = self.items
self.msg.setText(m.format(self.username))