calibre/src/pyj/read_book/overlay.pyj

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# vim:fileencoding=utf-8
# License: GPL v3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
from __python__ import bound_methods, hash_literals
from elementmaker import E
from book_list.book_details import CLASS_NAME as BD_CLASS_NAME, render_metadata
from book_list.globals import get_session_data
from book_list.library_data import (
current_library_id, set_book_metadata, sync_library_books
)
from book_list.router import home
from book_list.theme import get_color
from book_list.top_bar import create_top_bar
from book_list.ui import query_as_href, show_panel
from dom import (
add_extra_css, build_rule, clear, ensure_id, set_css, svgicon, unique_id
)
from gettext import gettext as _
from modals import error_dialog, question_dialog
from read_book.bookmarks import create_bookmarks_panel
from read_book.globals import runtime, ui_operations
from read_book.goto import create_goto_panel, create_location_overlay
from read_book.highlights import create_highlights_panel
from read_book.open_book import create_open_book
from read_book.prefs.font_size import create_font_size_panel
from read_book.prefs.head_foot import time_formatter
from read_book.prefs.main import create_prefs_panel
from read_book.toc import create_toc_panel
from read_book.word_actions import create_word_actions_panel
from session import defaults as session_defaults, get_device_uuid
from utils import (
default_context_menu_should_be_allowed, full_screen_element,
full_screen_supported, is_ios, safe_set_inner_html
)
from uuid import short_uuid
from widgets import create_button, create_spinner
class LoadingMessage: # {{{
def __init__(self, msg, current_color_scheme):
self.msg = msg or ''
self.current_color_scheme = current_color_scheme
self.is_not_escapable = True # prevent Esc key from closing
def show(self, container):
self.container_id = container.getAttribute('id')
container.style.backgroundColor = self.current_color_scheme.background
container.style.color = self.current_color_scheme.foreground
container.appendChild(
E.div(
style='text-align:center',
E.div(create_spinner('100px', '100px')),
E.h2()
))
safe_set_inner_html(container.firstChild.lastChild, self.msg)
set_css(container.firstChild, position='relative', top='50%', transform='translateY(-50%)')
def set_msg(self, msg):
self.msg = msg
container = document.getElementById(self.container_id)
safe_set_inner_html(container.firstChild.lastChild, self.msg)
def on_container_click(self, evt):
pass # Dont allow panel to be closed by a click
# }}}
class DeleteBook: # {{{
def __init__(self, overlay, question, ok_icon, ok_text, reload_book):
self.overlay = overlay
self.question = question or _(
'Are you sure you want to remove this book from local storage? You will have to re-download it from calibre if you want to read it again.')
self.ok_icon = ok_icon or 'trash'
self.ok_text = ok_text or _('Delete book')
self.reload_book = reload_book
def show(self, container):
self.container_id = container.getAttribute('id')
set_css(container, background_color=get_color('window-background'))
container.appendChild(E.div(
style='display: flex; flex-direction: column; justify-content: center; align-items: center; height: 100%',
tabindex='0',
E.div(style='margin:1ex 1em; max-width: 80%',
E.h2(self.question),
E.div(style='display:flex; justify-content:flex-end; margin-top:1rem',
create_button(self.ok_text, self.ok_icon, action=self.delete_book, highlight=True),
E.span('\xa0'),
create_button(_('Cancel'), action=self.cancel),
)
),
onkeyup=def(ev):
if ev.key is 'Escape':
ev.stopPropagation(), ev.preventDefault()
self.cancel()
elif ev.key is 'Enter' or ev.key is 'Return':
ev.stopPropagation(), ev.preventDefault()
self.delete_book()
))
window.setTimeout(self.focus_me, 0)
def focus_me(self):
document.getElementById(self.container_id).lastChild.focus()
def show_working(self):
container = document.getElementById(self.container_id)
clear(container)
container.appendChild(
E.div(
style='text-align:center',
E.div(create_spinner('100px', '100px')),
E.h2()
))
safe_set_inner_html(container.lastChild.lastChild, _('Deleting local book copy, please wait...'))
def on_container_click(self, evt):
pass # Dont allow panel to be closed by a click
def delete_book(self):
if runtime.is_standalone_viewer:
if self.reload_book:
self.overlay.view.reload_book()
return
self.show_working()
view = self.overlay.view
ui_operations.delete_book(view.book, def(book, errmsg):
self.overlay.hide_current_panel()
if errmsg:
view.ui.show_error(_('Failed to delete book'), _('Failed to delete book from local storage, click "Show details" for more information.'), errmsg)
else:
if self.reload_book:
self.overlay.view.reload_book()
else:
home()
)
def cancel(self):
self.overlay.hide_current_panel()
# }}}
class SyncBook: # {{{
def __init__(self, overlay):
self.overlay = overlay
self.canceled = False
def show(self, container):
self.container_id = container.getAttribute('id')
set_css(container, background_color=get_color('window-background'))
book = self.overlay.view.book
to_sync = v'[[book.key, new Date(0)]]'
self.overlay.view.annotations_manager.sync_annots_to_server()
sync_library_books(book.key[0], to_sync, self.sync_data_received)
container.appendChild(E.div(
style='display: flex; flex-direction: column; justify-content: center; align-items: center; height: 100%',
E.div(style='margin:1ex 1em; max-width: 80vw',
E.h2(_('Syncing last read position and annotations')),
E.p(_('Downloading data from server, please wait...')),
E.div(style='display:flex; justify-content:flex-end',
create_button(_('Cancel'), action=self.cancel),
)
)
))
def on_container_click(self, evt):
pass # Dont allow panel to be closed by a click
def cancel(self):
self.canceled = True
self.overlay.hide_current_panel()
def sync_data_received(self, library_id, lrmap, load_type, xhr, ev):
if self.canceled:
return
self.overlay.hide()
if load_type is not 'load':
if xhr.responseText is 'login required for sync':
error_dialog(_('Failed to fetch sync data'), _('You must setup user accounts and login to use the sync functionality'))
else:
error_dialog(_('Failed to fetch sync data'), _('Failed to download sync data from server, click "Show details" for more information.'), xhr.error_html)
return
data = JSON.parse(xhr.responseText)
book = self.overlay.view.book
dev = get_device_uuid()
epoch = 0
ans = None
new_annotations_map = None
for key in data:
book_id, fmt = key.partition(':')[::2]
if book_id is str(book.key[1]) and fmt.upper() is book.key[2].upper():
new_vals = data[key]
last_read_positions = new_vals.last_read_positions
new_annotations_map = new_vals.annotations_map
for d in last_read_positions:
if d.device is not dev and d.epoch > epoch:
epoch = d.epoch
ans = d
break
cfi = ans?.cfi
if new_annotations_map or cfi:
self.overlay.view.sync_data_received(cfi, new_annotations_map)
# }}}
# CSS {{{
MAIN_OVERLAY_TS_CLASS = 'read-book-main-overlay-top-section'
MAIN_OVERLAY_ACTIONS_CLASS = 'read-book-main-overlay-actions'
def timer_id():
if not timer_id.ans:
timer_id.ans = unique_id()
return timer_id.ans
add_extra_css(def():
style = ''
sel = '.' + MAIN_OVERLAY_TS_CLASS + ' > .' + MAIN_OVERLAY_ACTIONS_CLASS + ' '
style += build_rule(sel, overflow='hidden')
sel += '> ul '
style += build_rule(sel, display='flex', list_style='none', border_bottom='1px solid currentColor')
sel += '> li'
style += build_rule(sel, border_right='1px solid currentColor', padding='0.5em 1ex', display='flex', flex_wrap='wrap', align_items='center', cursor='pointer')
style += build_rule(sel + ':last-child', border_right_style='none')
style += build_rule(sel + ':hover > *:first-child, .main-overlay-button:hover > *:first-child',
color=get_color('window-hover-foreground'))
style += build_rule(sel + ':active > *:first-child, .main-overlay-button:active > *:first-child', transform='scale(1.8)')
style += f'@media screen and (max-width: 350px) {{ #{timer_id()} {{ display: none; }} }}'
return style
)
# }}}
def simple_overlay_title(title, overlay, container, close_action):
container.style.backgroundColor = get_color('window-background')
def action():
event = this
event.stopPropagation()
overlay.hide_current_panel(event)
create_top_bar(container, title=title, icon='close', action=close_action or action)
class MainOverlay: # {{{
def __init__(self, overlay, elements):
self.overlay = overlay
self.elements = elements or {}
self.timer = None
if window.Intl?.DateTimeFormat:
self.date_formatter = window.Intl.DateTimeFormat(undefined, {'hour':'numeric', 'minute':'numeric'})
else:
self.date_formatter = {'format': def(date):
return '{}:{}'.format(date.getHours(), date.getMinutes())
}
def show(self, container):
self.container_id = container.getAttribute('id')
icon_size = '3.5ex'
sd = get_session_data()
def ac(text, tooltip, action, icon, is_text_button):
if is_text_button:
icon = E.span(icon, style='font-size: 175%; font-weight: bold')
else:
icon = svgicon(icon, icon_size, icon_size) if icon else ''
icon.style.marginRight = '0.5ex'
return E.li(icon, text, onclick=action, title=tooltip)
sync_action = ac(_('Sync'), _('Get last read position and annotations from the server'), self.overlay.sync_book, 'cloud-download')
delete_action = ac(_('Delete'), _('Delete this book from local storage'), self.overlay.delete_book, 'trash')
reload_action = ac(_('Reload'), _('Reload this book from the {}').format( _('computer') if runtime.is_standalone_viewer else _('server')), self.overlay.reload_book, 'refresh')
back_action = ac(_('Back'), _('Go back'), self.back, 'arrow-left')
forward_action = ac(_('Forward'), _('Go forward'), self.forward, 'arrow-right')
nav_actions = E.ul(back_action, forward_action)
if runtime.is_standalone_viewer:
reload_actions = E.ul(
ac(_('Open book'), _('Open a book'), self.overlay.open_book, 'book'),
reload_action
)
else:
reload_actions = E.ul(sync_action, delete_action, reload_action)
bookmarks_action = ac(_('Bookmarks'), _('Browse all bookmarks'), self.overlay.show_bookmarks, 'bookmark')
highlights_action = ac(
_('Highlights'), _('Browse all highlights'), def():
self.overlay.show_highlights()
, 'image')
toc_actions = E.ul(ac(_('Table of Contents'), _('Browse the Table of Contents'), self.overlay.show_toc, 'toc'))
toc_actions.appendChild(ac(_('Reference mode'), _('Toggle the Reference mode'), self.overlay.toggle_reference_mode, 'reference-mode'))
actions_div = E.div( # actions
nav_actions,
E.ul(
ac(_('Search'), _('Search for text in this book'), self.overlay.show_search, 'search'),
ac(_('Go to'), _('Go to a specific location in the book'), self.overlay.show_goto, 'chevron-right'),
),
reload_actions,
toc_actions,
E.ul(highlights_action, bookmarks_action),
E.ul(
ac(_('Font size'), _('Change text size'), self.overlay.show_font_size_chooser, 'Aa', True),
ac(_('Preferences'), _('Configure the E-book viewer'), self.overlay.show_prefs, 'cogs'),
),
class_=MAIN_OVERLAY_ACTIONS_CLASS
)
if not runtime.is_standalone_viewer:
home_action = ac(_('Home'), _('Return to the home page'), def():
home()
ui_operations.close_book()
, 'home')
library_action = ac(_('Library'), _('Return to the library page'), self.overlay.show_library, 'library')
actions_div.insertBefore(E.ul(home_action, library_action), actions_div.firstChild)
full_screen_actions = []
if runtime.is_standalone_viewer:
text = _('Exit full screen') if runtime.viewer_in_full_screen else _('Enter full screen')
full_screen_actions.push(
ac(text, _('Toggle full screen mode'), def(): self.overlay.hide(), ui_operations.toggle_full_screen();, 'full-screen'))
full_screen_actions.push(
ac(_('Print'), _('Print book to PDF'), def(): self.overlay.hide(), ui_operations.print_book();, 'print'))
else:
if not is_ios and full_screen_supported():
text = _('Exit full screen') if full_screen_element() else _('Enter full screen')
# No fullscreen on iOS, see http://caniuse.com/#search=fullscreen
full_screen_actions.push(
ac(text, _('Toggle full screen mode'), def(): self.overlay.hide(), ui_operations.toggle_full_screen();, 'full-screen')
)
if sd.get('read_mode') is 'flow':
asa = self.overlay.view.autoscroll_active
full_screen_actions.append(ac(
_('Stop auto scroll') if asa else _('Auto scroll'), _('Toggle auto-scrolling'), def():
self.overlay.hide()
window.setTimeout(self.overlay.view.toggle_autoscroll, 0)
, 'auto-scroll'))
actions_div.appendChild(E.ul(
ac(_('Read aloud'), _('Read the book aloud'), def():
self.overlay.hide()
self.overlay.view.start_read_aloud()
, 'bullhorn')
))
if full_screen_actions.length:
actions_div.appendChild(E.ul(*full_screen_actions))
no_selection_bar = not sd.get('show_selection_bar')
if runtime.is_standalone_viewer:
if no_selection_bar:
actions_div.appendChild(E.ul(
ac(_('Lookup/search word'), _('Lookup or search for the currently selected word'),
def(): self.overlay.hide(), ui_operations.toggle_lookup(True);, 'library')
))
copy_actions = E.ul()
if self.elements.link:
copy_actions.appendChild(ac(_('Copy link'), _('Copy the current link'), def():
self.overlay.hide(), ui_operations.copy_selection(self.elements.link)
, 'link'))
if self.elements.img:
copy_actions.appendChild(ac(_('View image'), _('View the current image'), def():
self.overlay.hide(), ui_operations.view_image(self.elements.img)
, 'image'))
copy_actions.appendChild(ac(_('Copy image'), _('Copy the current image'), def():
self.overlay.hide(), ui_operations.copy_image(self.elements.img)
, 'copy'))
if copy_actions.childNodes.length:
actions_div.appendChild(copy_actions)
actions_div.appendChild(E.ul(
ac(_('Inspector'), _('Show the content inspector'),
def(): self.overlay.hide(), ui_operations.toggle_inspector();, 'bug'),
ac(_('Reset interface'), _('Reset E-book viewer panels, toolbars and scrollbars to defaults'),
def():
question_dialog(
_('Are you sure?'), _(
'Are you sure you want to reset the viewer interface'
' to its default appearance?'
),
def (yes):
if yes:
self.overlay.hide()
ui_operations.reset_interface()
sd = get_session_data()
sd.set('skipped_dialogs', session_defaults.skipped_dialogs)
)
, 'window-restore'),
ac(_('Quit'), _('Close the E-book viewer'),
def(): self.overlay.hide(), ui_operations.quit();, 'remove'),
))
else:
copy_actions = E.ul()
if self.elements.link:
copy_actions.appendChild(ac(_('Copy link'), _('Copy the current link'), def():
self.overlay.hide(), ui_operations.copy_selection(self.elements.link)
, 'link'))
if self.elements.img:
copy_actions.appendChild(ac(_('View image'), _('View the current image'), def():
self.overlay.hide(), ui_operations.view_image(self.elements.img)
, 'image'))
if window.navigator.clipboard:
copy_actions.appendChild(ac(_('Copy image'), _('Copy the current image'), def():
self.overlay.hide(), ui_operations.copy_image(self.elements.img)
, 'copy'))
if copy_actions.childNodes.length:
actions_div.appendChild(copy_actions)
container.appendChild(set_css(E.div(class_=MAIN_OVERLAY_TS_CLASS, # top section
onclick=def (evt):evt.stopPropagation();,
set_css(E.div( # top row
E.div(self.overlay.view.book?.metadata?.title or _('Unknown'), style='max-width: 90%; text-overflow: ellipsis; font-weight: bold; white-space: nowrap; overflow: hidden'),
E.div(time_formatter.format(Date()), id=timer_id(), style='max-width: 9%; white-space: nowrap; overflow: hidden'),
),
display='flex', justify_content='space-between', align_items='baseline', font_size='smaller', padding='0.5ex 1ex', border_bottom='solid 1px currentColor'
),
actions_div,
), user_select='none', background_color=get_color('window-background')))
container.appendChild(
E.div( # bottom bar
style='position: fixed; width: 100%; bottom: 0; display: flex; justify-content: space-between; align-items: center;'
'user-select: none; background-color: {}'.format(get_color('window-background')),
E.div(
style='display: flex; justify-content: space-between; align-items: center;',
E.div(
style='display: flex; align-items: center; cursor: pointer; padding: 0.5ex 1rem', class_='main-overlay-button',
title=_('Close the viewer controls'),
svgicon('close', icon_size, icon_size), '\xa0', _('Close')
),
E.div(
style='display: flex; align-items: center; cursor: pointer; padding: 0.5ex 1rem', class_='main-overlay-button',
svgicon('help', icon_size, icon_size), '\xa0', _('Help'), onclick=def(ev):
ui_operations.show_help('viewer')
)
),
E.div(style='padding: 0.5ex 1rem', '\xa0'), E.div(style='padding: 0.5ex 1rem', '\xa0'),
),
)
renderer = self.overlay.view.create_template_renderer()
if renderer:
c = container.lastChild.lastChild
b = c.previousSibling
renderer(b, 'controls_footer', 'middle', '')
renderer(c, 'controls_footer', 'right', '')
self.on_hide()
self.timer = setInterval(self.update_time, 1000)
def update_time(self):
tm = document.getElementById(timer_id())
if tm:
tm.textContent = self.date_formatter.format(Date())
def on_hide(self):
if self.timer is not None:
clearInterval(self.timer)
self.timer = None
def back(self):
window.history.back()
self.overlay.hide()
def forward(self):
window.history.forward()
self.overlay.hide()
# }}}
class SimpleOverlay: # {{{
def __init__(self, overlay, create_func, title):
self.overlay = overlay
self.create_func = create_func
self.title = title
def on_container_click(self, evt):
pass # Dont allow panel to be closed by a click
def show(self, container):
simple_overlay_title(self.title, self.overlay, container)
self.create_func(self.overlay, container)
# }}}
class TOCOverlay(SimpleOverlay): # {{{
def __init__(self, overlay, create_func, title):
self.overlay = overlay
self.create_func = create_func or create_toc_panel
self.title = title or _('Table of Contents')
def show(self, container):
container.appendChild(E.div())
container = container.firstChild
simple_overlay_title(self.title, self.overlay, container)
self.create_func(self.overlay.view.book, container, self.handle_activate)
def handle_activate(self, dest, frag):
self.overlay.hide()
if jstype(dest) is 'function':
dest(self.overlay.view, frag)
else:
self.overlay.view.goto_named_destination(dest, frag)
# }}}
class WordActionsOverlay: # {{{
def __init__(self, word, overlay):
self.word = word
self.overlay = overlay
def on_container_click(self, evt):
pass # Dont allow panel to be closed by a click
def show(self, container):
simple_overlay_title(_('Lookup: {}').format(self.word), self.overlay, container)
create_word_actions_panel(container, self.word, self.overlay.hide)
# }}}
class PrefsOverlay: # {{{
def __init__(self, overlay):
self.overlay = overlay
self.changes_occurred = False
def on_container_click(self, evt):
pass # Dont allow panel to be closed by a click
def show(self, container):
self.changes_occurred = False
container.style.backgroundColor = get_color('window-background')
self.prefs = create_prefs_panel(container, self.overlay.hide_current_panel, self.on_change)
def on_change(self):
self.changes_occurred = True
def handle_escape(self):
self.prefs.onclose()
def on_hide(self):
if self.changes_occurred:
self.changes_occurred = False
self.overlay.view.preferences_changed()
# }}}
class FontSizeOverlay: # {{{
def __init__(self, overlay):
self.overlay = overlay
def show(self, container):
create_font_size_panel(container, self.overlay.hide_current_panel)
# }}}
class OpenBook: # {{{
def __init__(self, overlay, closeable):
self.overlay = overlay
self.closeable = closeable
def handle_escape(self):
if self.closeable:
self.overlay.hide_current_panel()
else:
if self.overlay.handling_context_menu_event is None:
ui_operations.quit()
def on_container_click(self, evt):
pass # Dont allow panel to be closed by a click
def show(self, container):
simple_overlay_title(_('Open a book'), self.overlay, container, def ():
ev = this
ev.stopPropagation(), ev.preventDefault()
if self.closeable:
self.overlay.hide_current_panel(ev)
else:
ui_operations.quit()
)
create_open_book(container, self.overlay.view?.book)
# }}}
class Overlay:
def __init__(self, view):
self.view = view
self.handling_context_menu_event = None
c = self.clear_container()
c.addEventListener('click', self.container_clicked)
c.addEventListener('contextmenu', self.oncontextmenu, {'passive': False})
self.panels = []
def oncontextmenu(self, evt):
if default_context_menu_should_be_allowed(evt):
return
evt.preventDefault()
self.handling_context_menu_event = evt
self.handle_escape()
self.handling_context_menu_event = None
def clear_container(self):
c = self.container
clear(c)
c.style.backgroundColor = 'transparent'
c.style.color = get_color('window-foreground')
if c.style.display is not 'block':
c.style.display = 'block'
return c
@property
def container(self):
return document.getElementById('book-overlay')
@property
def is_visible(self):
return self.container.style.display is not 'none'
def update_visibility(self):
if self.panels.length:
self.container.style.display = 'block'
self.view.overlay_visibility_changed(True)
elif self.container.style.display is 'block':
self.container.style.display = 'none'
self.view.focus_iframe()
self.view.overlay_visibility_changed(False)
def container_clicked(self, evt):
if self.panels.length and jstype(self.panels[-1].on_container_click) is 'function':
self.panels[-1].on_container_click(evt)
else:
self.hide_current_panel()
def show_loading_message(self, msg):
if ui_operations.show_loading_message:
ui_operations.show_loading_message(msg)
else:
lm = LoadingMessage(msg, self.view.current_color_scheme)
self.panels.push(lm)
self.show_current_panel()
def hide_loading_message(self):
if ui_operations.show_loading_message:
ui_operations.show_loading_message(None)
else:
self.panels = [p for p in self.panels if not isinstance(p, LoadingMessage)]
self.show_current_panel()
def hide_current_panel(self):
p = self.panels.pop()
if p and callable(p.on_hide):
p.on_hide()
self.show_current_panel()
def handle_escape(self):
if self.panels.length:
p = self.panels[-1]
if not p.is_not_escapable:
if p.handle_escape:
p.handle_escape()
else:
self.hide_current_panel()
return True
return False
def show_current_panel(self):
if self.panels.length:
c = self.clear_container()
self.panels[-1].show(c)
self.update_visibility()
def show(self, elements):
self.panels = [MainOverlay(self, elements)]
self.show_current_panel()
def hide(self):
while self.panels.length:
self.hide_current_panel()
self.update_visibility()
def delete_book(self):
self.hide_current_panel()
self.panels = [DeleteBook(self)]
self.show_current_panel()
def reload_book(self):
self.hide_current_panel()
self.panels = [DeleteBook(self, _('Are you sure you want to reload this book?'), 'refresh', _('Reload book'), True)]
self.show_current_panel()
def open_book(self, closeable):
self.hide_current_panel()
if jstype(closeable) is not 'boolean':
closeable = True
self.panels = [OpenBook(self, closeable)]
self.show_current_panel()
def sync_book(self):
self.hide_current_panel()
self.panels = [SyncBook(self)]
self.show_current_panel()
def show_toc(self):
self.hide_current_panel()
if runtime.is_standalone_viewer:
ui_operations.toggle_toc()
return
self.panels.push(TOCOverlay(self))
self.show_current_panel()
def toggle_reference_mode(self):
self.hide_current_panel()
self.view.toggle_reference_mode()
def show_bookmarks(self):
self.hide_current_panel()
if runtime.is_standalone_viewer:
ui_operations.toggle_bookmarks()
return
def do_it(action, data):
self.panels.push(TOCOverlay(self, create_bookmarks_panel.bind(None, self.view.annotations_manager, data), _('Bookmarks')))
self.show_current_panel()
self.view.get_current_cfi('show-bookmarks', do_it)
def show_highlights(self):
self.hide_current_panel()
if ui_operations.toggle_highlights:
self.hide()
ui_operations.toggle_highlights()
return
self.panels.push(TOCOverlay(self, create_highlights_panel.bind(None, self.view.annotations_manager, self.hide_current_panel), _('Highlights')))
self.show_current_panel()
def show_goto(self):
self.hide_current_panel()
self.panels.push(TOCOverlay(self, create_goto_panel.bind(None, self.view.current_position_data), _('Go to…')))
self.show_current_panel()
def show_metadata(self):
self.hide_current_panel()
from_read_book = short_uuid()
def show_metadata_overlay(mi, pathtoebook, lname, book_id, overlay, container):
container_id = ensure_id(container)
container.appendChild(E.div(class_=BD_CLASS_NAME, style='padding: 1ex 1em'))
table = E.table(class_='metadata')
def handle_message(msg):
data = msg.data
if data.from_read_book is not from_read_book:
return
if data.type is 'edit_metadata_closed':
ui_operations.stop_waiting_for_messages_from(this)
self.hide_current_panel()
return
if data.type is 'update_cached_book_metadata' and data.metadata:
if current_library_id() is data.library_id:
mi = data.metadata
book_id = int(data.book_id)
set_book_metadata(book_id, mi)
book = self.view.book
if book and book.key[0] is data.library_id and book.key[1] is book_id:
ui_operations.update_metadata(book, mi)
if not runtime.is_standalone_viewer and lname:
container.lastChild.appendChild(E.div(
style='text-align: right',
E.a(_('Edit the metadata for this book in the library'), class_='blue-link', onclick=def():
container = document.getElementById(container_id)
clear(container)
container.appendChild(E.iframe(
style='position: absolute; left: 0; top: 0; width: 100vw; height: 100vh; border-width: 0',
src=query_as_href({
'from_read_book': from_read_book, 'library_id': lname, 'book_id': book_id + ''}, 'edit_metadata')
))
w = container.lastChild.contentWindow
ui_operations.wait_for_messages_from(w, handle_message.bind(w))
)
))
container.lastChild.appendChild(table)
render_metadata(mi, table, None, f'html {{ font-size: {document.documentElement.style.fontSize} }}')
for a in table.querySelectorAll('a[href]'):
a.removeAttribute('href')
a.removeAttribute('title')
a.classList.remove('blue-link')
if pathtoebook:
container.lastChild.appendChild(E.div(
style='margin-top: 1ex; padding-top: 1ex; border-top: solid 1px',
_('Path:'), ' ',
E.a(
href='javascript: void(0)',
class_='blue-link', title=_('Click to open the folder the book is in'),
onclick=def():
ui_operations.show_book_folder()
,
pathtoebook)
)
)
book = self.view.book
key = book.key or v'[null, 0]'
lname, book_id = key
book_id = int(book_id or 0)
panel = SimpleOverlay(self, show_metadata_overlay.bind(None, book.metadata, book.manifest.pathtoebook, lname, book_id), self.view.book.metadata.title)
panel.from_read_book = from_read_book
self.panels.push(panel)
self.show_current_panel()
def show_ask_for_location(self):
self.hide_current_panel()
self.panels.push(SimpleOverlay(
self, create_location_overlay.bind(None, self.view.current_position_data, self.view.book), _('Go to location, position or reference…')))
self.show_current_panel()
def show_search(self):
self.hide()
self.view.show_search()
def show_prefs(self):
self.hide_current_panel()
self.panels.push(PrefsOverlay(self))
self.show_current_panel()
def show_library(self):
self.hide_current_panel()
book = self.view.book
show_panel('book_list', {'library_id': book.key[0], 'book_id': book.key[1] + ''}, replace=False)
ui_operations.close_book()
def show_font_size_chooser(self):
self.hide_current_panel()
self.panels.push(FontSizeOverlay(self))
self.show_current_panel()
def show_word_actions(self, word):
self.hide_current_panel()
self.panels.push(WordActionsOverlay(word, self))
self.show_current_panel()