Python QListWidget.setAlternatingRowColors方法代码示例

# 需要导入模块: from PyQt5.Qt import QListWidget [as 别名]
# 或者: from PyQt5.Qt.QListWidget import setAlternatingRowColors [as 别名]
class PrefsViewerDialog(SizePersistedDialog):

    def __init__(self, gui, namespace):
        SizePersistedDialog.__init__(self, gui, _('Prefs Viewer dialog'))
        self.setWindowTitle(_('Preferences for: ')+namespace)

        self.gui = gui
        self.db = gui.current_db
        self.namespace = namespace
        self._init_controls()
        self.resize_dialog()

        self._populate_settings()

        if self.keys_list.count():
            self.keys_list.setCurrentRow(0)

    def _init_controls(self):
        layout = QVBoxLayout(self)
        self.setLayout(layout)

        ml = QHBoxLayout()
        layout.addLayout(ml, 1)

        self.keys_list = QListWidget(self)
        self.keys_list.setSelectionMode(QAbstractItemView.SingleSelection)
        self.keys_list.setFixedWidth(150)
        self.keys_list.setAlternatingRowColors(True)
        ml.addWidget(self.keys_list)
        self.value_text = QTextEdit(self)
        self.value_text.setTabStopWidth(24)
        self.value_text.setReadOnly(True)
        ml.addWidget(self.value_text, 1)

        button_box = QDialogButtonBox(QDialogButtonBox.Ok)
        button_box.accepted.connect(self.accept)
        self.clear_button = button_box.addButton(_('Clear'), QDialogButtonBox.ResetRole)
        self.clear_button.setIcon(get_icon('trash.png'))
        self.clear_button.setToolTip(_('Clear all settings for this plugin'))
        self.clear_button.clicked.connect(self._clear_settings)

        if DEBUG:
            self.edit_button = button_box.addButton(_('Edit'), QDialogButtonBox.ResetRole)
            self.edit_button.setIcon(get_icon('edit_input.png'))
            self.edit_button.setToolTip(_('Edit settings.'))
            self.edit_button.clicked.connect(self._edit_settings)

            self.save_button = button_box.addButton(_('Save'), QDialogButtonBox.ResetRole)
            self.save_button.setIcon(get_icon('save.png'))
            self.save_button.setToolTip(_('Save setting for this plugin'))
            self.save_button.clicked.connect(self._save_settings)
            self.save_button.setEnabled(False)
        layout.addWidget(button_box)

    def _populate_settings(self):
        self.keys_list.clear()
        ns_prefix = self._get_ns_prefix()
        keys = sorted([k[len(ns_prefix):] for k in self.db.prefs.iterkeys()
                       if k.startswith(ns_prefix)])
        for key in keys:
            self.keys_list.addItem(key)
        self.keys_list.setMinimumWidth(self.keys_list.sizeHintForColumn(0))
        self.keys_list.currentRowChanged[int].connect(self._current_row_changed)

    def _current_row_changed(self, new_row):
        if new_row < 0:
            self.value_text.clear()
            return
        key = unicode(self.keys_list.currentItem().text())
        val = self.db.prefs.get_namespaced(self.namespace, key, '')
        self.value_text.setPlainText(self.db.prefs.to_raw(val))

    def _get_ns_prefix(self):
        return 'namespaced:%s:'% self.namespace

    def _edit_settings(self):
        from calibre.gui2.dialogs.confirm_delete import confirm
        message = '<p>' + _('Are you sure you want to edit settings in this library for this plugin?') + '</p>' \
                  + '<p>' + _('The FanFicFare team does not support hand edited configurations.') + '</p>'
        if confirm(message, self.namespace+'_edit_settings', self):
            self.save_button.setEnabled(True)
            self.edit_button.setEnabled(False)
            self.value_text.setReadOnly(False)

    def _save_settings(self):
        from calibre.gui2.dialogs.confirm_delete import confirm
        message = '<p>' + _('Are you sure you want to save this setting in this library for this plugin?') + '</p>' \
                  + '<p>' + _('Any settings in other libraries or stored in a JSON file in your calibre plugins folder will not be touched.') + '</p>' \
                  + '<p>' + _('You must restart calibre afterwards.') + '</p>'
        if not confirm(message, self.namespace+'_save_settings', self):
            return
        ns_prefix = self._get_ns_prefix()
        key = unicode(self.keys_list.currentItem().text())
        self.db.prefs.set_namespaced(self.namespace, key,
                                     self.db.prefs.raw_to_object(self.value_text.toPlainText()))
        d = info_dialog(self, 'Settings saved',
                        '<p>' + _('All settings for this plugin in this library have been saved.') + '</p>' \
                        + '<p>' + _('Please restart calibre now.') + '</p>',
                        show_copy_button=False)
        b = d.bb.addButton(_('Restart calibre now'), d.bb.AcceptRole)
#.........这里部分代码省略.........

# 需要导入模块: from PyQt5.Qt import QListWidget [as 别名]
# 或者: from PyQt5.Qt.QListWidget import setAlternatingRowColors [as 别名]
class PluginWidget(QWidget):

    TITLE = _('CSV/XML options')
    HELP  = _('Options specific to')+' CSV/XML '+_('output')
    sync_enabled = False
    formats = {'csv', 'xml'}
    handles_scrolling = True

    def __init__(self, parent=None):
        QWidget.__init__(self, parent)
        self.l = l = QVBoxLayout(self)
        self.la = la = QLabel(_('Fields to include in output:'))
        la.setWordWrap(True)
        l.addWidget(la)
        self.db_fields = QListWidget(self)
        l.addWidget(self.db_fields)
        self.la2 = la = QLabel(_('Drag and drop to re-arrange fields'))
        l.addWidget(la)
        self.db_fields.setDragEnabled(True)
        self.db_fields.setDragDropMode(QListWidget.InternalMove)
        self.db_fields.setDefaultDropAction(Qt.MoveAction)
        self.db_fields.setAlternatingRowColors(True)
        self.db_fields.setObjectName("db_fields")

    def initialize(self, catalog_name, db):
        self.name = catalog_name
        from calibre.library.catalogs import FIELDS
        db = get_gui().current_db
        self.all_fields = {x for x in FIELDS if x != 'all'} | set(db.custom_field_keys())
        sort_order, fields = get_saved_field_data(self.name, self.all_fields)
        fm = db.field_metadata

        def name(x):
            if x == 'isbn':
                return 'ISBN'
            if x == 'library_name':
                return _('Library name')
            if x.endswith('_index'):
                return name(x[:-len('_index')]) + ' ' + _('Number')
            return fm[x].get('name') or x

        def key(x):
            return (sort_order.get(x, 10000), name(x))

        self.db_fields.clear()
        for x in sorted(self.all_fields, key=key):
            QListWidgetItem(name(x) + ' (%s)' % x, self.db_fields).setData(Qt.UserRole, x)
            if x.startswith('#') and fm[x]['datatype'] == 'series':
                x += '_index'
                QListWidgetItem(name(x) + ' (%s)' % x, self.db_fields).setData(Qt.UserRole, x)

        # Restore the activated fields from last use
        for x in range(self.db_fields.count()):
            item = self.db_fields.item(x)
            item.setCheckState(Qt.Checked if unicode_type(item.data(Qt.UserRole)) in fields else Qt.Unchecked)

    def options(self):
        # Save the currently activated fields
        fields, all_fields = [], []
        for x in range(self.db_fields.count()):
            item = self.db_fields.item(x)
            all_fields.append(unicode_type(item.data(Qt.UserRole)))
            if item.checkState() == Qt.Checked:
                fields.append(unicode_type(item.data(Qt.UserRole)))
        set_saved_field_data(self.name, fields, {x:i for i, x in enumerate(all_fields)})

        # Return a dictionary with current options for this widget
        if len(fields):
            return {'fields':fields}
        else:
            return {'fields':['all']}

# 需要导入模块: from PyQt5.Qt import QListWidget [as 别名]
# 或者: from PyQt5.Qt.QListWidget import setAlternatingRowColors [as 别名]
class PrefsViewerDialog(SizePersistedDialog):

    def __init__(self, gui, namespace):
        SizePersistedDialog.__init__(self, gui, 'Prefs Viewer dialog')
        self.setWindowTitle('Preferences for: '+namespace)

        self.gui = gui
        self.db = gui.current_db
        self.namespace = namespace
        self._init_controls()
        self.resize_dialog()

        self._populate_settings()

        if self.keys_list.count():
            self.keys_list.setCurrentRow(0)

    def _init_controls(self):
        layout = QVBoxLayout(self)
        self.setLayout(layout)

        ml = QHBoxLayout()
        layout.addLayout(ml, 1)

        self.keys_list = QListWidget(self)
        self.keys_list.setSelectionMode(QAbstractItemView.SingleSelection)
        self.keys_list.setFixedWidth(150)
        self.keys_list.setAlternatingRowColors(True)
        ml.addWidget(self.keys_list)
        self.value_text = QTextEdit(self)
        self.value_text.setTabStopWidth(24)
        self.value_text.setReadOnly(False)
        ml.addWidget(self.value_text, 1)

        button_box = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
        button_box.accepted.connect(self._apply_changes)
        button_box.rejected.connect(self.reject)
        self.clear_button = button_box.addButton('Clear', QDialogButtonBox.ResetRole)
        self.clear_button.setIcon(get_icon('trash.png'))
        self.clear_button.setToolTip('Clear all settings for this plugin')
        self.clear_button.clicked.connect(self._clear_settings)
        layout.addWidget(button_box)

    def _populate_settings(self):
        self.keys_list.clear()
        ns_prefix = self._get_ns_prefix()
        keys = sorted([k[len(ns_prefix):] for k in self.db.prefs.iterkeys()
                       if k.startswith(ns_prefix)])
        for key in keys:
            self.keys_list.addItem(key)
        self.keys_list.setMinimumWidth(self.keys_list.sizeHintForColumn(0))
        self.keys_list.currentRowChanged[int].connect(self._current_row_changed)

    def _current_row_changed(self, new_row):
        if new_row < 0:
            self.value_text.clear()
            return
        key = unicode(self.keys_list.currentItem().text())
        val = self.db.prefs.get_namespaced(self.namespace, key, '')
        self.value_text.setPlainText(self.db.prefs.to_raw(val))

    def _get_ns_prefix(self):
        return 'namespaced:%s:'% self.namespace

    def _apply_changes(self):
        from calibre.gui2.dialogs.confirm_delete import confirm
        message = '<p>Are you sure you want to change your settings in this library for this plugin?</p>' \
                  '<p>Any settings in other libraries or stored in a JSON file in your calibre plugins ' \
                  'folder will not be touched.</p>' \
                  '<p>You must restart calibre afterwards.</p>'
        if not confirm(message, self.namespace+'_clear_settings', self):
            return

        val = self.db.prefs.raw_to_object(unicode(self.value_text.toPlainText()))
        key = unicode(self.keys_list.currentItem().text())
        self.db.prefs.set_namespaced(self.namespace, key, val)

        restart = prompt_for_restart(self, 'Settings changed',
                           '<p>Settings for this plugin in this library have been changed.</p>'
                           '<p>Please restart calibre now.</p>')
        self.close()
        if restart:
            self.gui.quit(restart=True)

    def _clear_settings(self):
        from calibre.gui2.dialogs.confirm_delete import confirm
        message = '<p>Are you sure you want to clear your settings in this library for this plugin?</p>' \
                  '<p>Any settings in other libraries or stored in a JSON file in your calibre plugins ' \
                  'folder will not be touched.</p>' \
                  '<p>You must restart calibre afterwards.</p>'
        if not confirm(message, self.namespace+'_clear_settings', self):
            return

        ns_prefix = self._get_ns_prefix()
        keys = [k for k in self.db.prefs.iterkeys() if k.startswith(ns_prefix)]
        for k in keys:
            del self.db.prefs[k]
        self._populate_settings()
        restart = prompt_for_restart(self, 'Settings deleted',
                           '<p>All settings for this plugin in this library have been cleared.</p>'
#.........这里部分代码省略.........

# 需要导入模块: from PyQt5.Qt import QListWidget [as 别名]
# 或者: from PyQt5.Qt.QListWidget import setAlternatingRowColors [as 别名]
class PluginWidget(QWidget):

    TITLE = _("CSV/XML Options")
    HELP = _("Options specific to") + " CSV/XML " + _("output")
    sync_enabled = False
    formats = set(["csv", "xml"])

    def __init__(self, parent=None):
        QWidget.__init__(self, parent)
        self.l = l = QVBoxLayout(self)
        self.la = la = QLabel(_("Fields to include in output:"))
        la.setWordWrap(True)
        l.addWidget(la)
        self.db_fields = QListWidget(self)
        l.addWidget(self.db_fields)
        self.la2 = la = QLabel(_("Drag and drop to re-arrange fields"))
        l.addWidget(la)
        self.db_fields.setDragEnabled(True)
        self.db_fields.setDragDropMode(QListWidget.InternalMove)
        self.db_fields.setDefaultDropAction(Qt.MoveAction)
        self.db_fields.setAlternatingRowColors(True)
        self.db_fields.setObjectName("db_fields")

    def initialize(self, catalog_name, db):
        self.name = catalog_name
        from calibre.library.catalogs import FIELDS

        db = get_gui().current_db
        self.all_fields = {x for x in FIELDS if x != "all"} | set(db.custom_field_keys())
        sort_order = gprefs.get(self.name + "_db_fields_sort_order", {})
        fm = db.field_metadata

        def name(x):
            if x == "isbn":
                return "ISBN"
            if x == "library_name":
                return _("Library Name")
            if x.endswith("_index"):
                return name(x[: -len("_index")]) + " " + _("Number")
            return fm[x].get("name") or x

        def key(x):
            return (sort_order.get(x, 10000), name(x))

        self.db_fields.clear()
        for x in sorted(self.all_fields, key=key):
            QListWidgetItem(name(x) + " (%s)" % x, self.db_fields).setData(Qt.UserRole, x)
            if x.startswith("#") and fm[x]["datatype"] == "series":
                x += "_index"
                QListWidgetItem(name(x) + " (%s)" % x, self.db_fields).setData(Qt.UserRole, x)

        # Restore the activated fields from last use
        fields = frozenset(gprefs.get(self.name + "_db_fields", self.all_fields))
        for x in range(self.db_fields.count()):
            item = self.db_fields.item(x)
            item.setCheckState(Qt.Checked if unicode(item.data(Qt.UserRole)) in fields else Qt.Unchecked)

    def options(self):
        # Save the currently activated fields
        fields, all_fields = [], []
        for x in xrange(self.db_fields.count()):
            item = self.db_fields.item(x)
            all_fields.append(unicode(item.data(Qt.UserRole)))
            if item.checkState() == Qt.Checked:
                fields.append(unicode(item.data(Qt.UserRole)))
        gprefs.set(self.name + "_db_fields", fields)
        gprefs.set(self.name + "_db_fields_sort_order", {x: i for i, x in enumerate(all_fields)})

        # Return a dictionary with current options for this widget
        if len(fields):
            return {"fields": fields}
        else:
            return {"fields": ["all"]}

# 需要导入模块: from PyQt5.Qt import QListWidget [as 别名]
# 或者: from PyQt5.Qt.QListWidget import setAlternatingRowColors [as 别名]
class SavedSearchEditor(Dialog):

    def __init__(self, parent, initial_search=None):
        self.initial_search = initial_search
        Dialog.__init__(
            self, _('Manage saved searches'), 'manage-saved-searches', parent)

    def setup_ui(self):
        from calibre.gui2.ui import get_gui
        db = get_gui().current_db
        self.l = l = QVBoxLayout(self)
        b = self.bb.addButton(_('&Add search'), self.bb.ActionRole)
        b.setIcon(QIcon(I('plus.png')))
        b.clicked.connect(self.add_search)

        b = self.bb.addButton(_('&Remove search'), self.bb.ActionRole)
        b.setIcon(QIcon(I('minus.png')))
        b.clicked.connect(self.del_search)

        b = self.bb.addButton(_('&Edit search'), self.bb.ActionRole)
        b.setIcon(QIcon(I('modified.png')))
        b.clicked.connect(self.edit_search)

        self.slist = QListWidget(self)
        self.slist.setStyleSheet('QListView::item { padding: 3px }')
        self.slist.activated.connect(self.edit_search)
        self.slist.setAlternatingRowColors(True)
        self.searches = {name: db.saved_search_lookup(name) for name in db.saved_search_names()}
        self.populate_search_list()
        if self.initial_search is not None and self.initial_search in self.searches:
            self.select_search(self.initial_search)
        elif self.searches:
            self.slist.setCurrentRow(0)
        self.slist.currentItemChanged.connect(self.current_index_changed)
        l.addWidget(self.slist)

        self.desc = la = QLabel('\xa0')
        la.setWordWrap(True)
        l.addWidget(la)

        l.addWidget(self.bb)
        self.current_index_changed(self.slist.currentItem())
        self.setMinimumHeight(500)
        self.setMinimumWidth(600)

    @property
    def current_search_name(self):
        i = self.slist.currentItem()
        if i is not None:
            ans = i.text()
            if ans in self.searches:
                return ans

    def populate_search_list(self):
        self.slist.clear()
        for name in sorted(self.searches.keys(), key=sort_key):
            self.slist.addItem(name)

    def add_search(self):
        d = AddSavedSearch(parent=self, commit_changes=False)
        if d.exec_() != d.Accepted:
            return
        name, expression = d.accepted_data
        nmap = {icu_lower(n):n for n in self.searches}
        if icu_lower(name) in nmap:
            q = nmap[icu_lower(name)]
            del self.searches[q]
            self.select_search(q)
            self.slist.takeItem(self.slist.currentRow())
        self.searches[name] = expression
        self.slist.insertItem(0, name)
        self.slist.setCurrentRow(0)
        self.current_index_changed(self.slist.currentItem())

    def del_search(self):
        n = self.current_search_name
        if n is not None:
            if not confirm(
                '<p>' + _(
                    'The current saved search will be '
                    '<b>permanently deleted</b>. Are you sure?') + '</p>',
                'saved_search_editor_delete', self):
                return
            self.slist.takeItem(self.slist.currentRow())
            del self.searches[n]

    def edit_search(self):
        n = self.current_search_name
        if not n:
            return
        d = AddSavedSearch(parent=self, commit_changes=False, label=_('Edit the name and/or expression below.'), validate=self.validate_edit)
        d.setWindowTitle(_('Edit saved search'))
        d.sname.setText(n)
        d.search.setText(self.searches[n])
        if d.exec_() != d.Accepted:
            return
        name, expression = d.accepted_data
        self.slist.currentItem().setText(name)
        del self.searches[n]
        self.searches[name] = expression
#.........这里部分代码省略.........