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@ -5,6 +5,7 @@ This module provides a way to display book information (filename and book metada
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local BD = require("ui/bidi")
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local ButtonDialog = require("ui/widget/buttondialog")
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local DocSettings = require("docsettings")
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local Document = require("document/document")
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local DocumentRegistry = require("document/documentregistry")
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local InfoMessage = require("ui/widget/infomessage")
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local UIManager = require("ui/uimanager")
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@ -17,6 +18,15 @@ local _ = require("gettext")
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local Screen = require("device").screen
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local BookInfo = WidgetContainer:extend{
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props = {
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"title",
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"authors",
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"series",
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"series_index",
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"language",
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"keywords",
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"description",
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},
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}
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function BookInfo:init()
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@ -34,6 +44,7 @@ function BookInfo:addToMainMenu(menu_items)
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}
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end
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-- Shows book information.
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function BookInfo:show(file, book_props, metadata_updated_caller_callback)
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self.updated = nil
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local kv_pairs = {}
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@ -55,20 +66,20 @@ function BookInfo:show(file, book_props, metadata_updated_caller_callback)
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-- book_props may be provided if caller already has them available
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-- but it may lack "pages", that we may get from sidecar file
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if not book_props or not book_props.pages then
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book_props = self:getBookProps(file, book_props)
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book_props = BookInfo.getDocProps(nil, file, book_props)
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end
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local values_lang
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local props = {
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{ _("Title:"), "title" },
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{ _("Authors:"), "authors" },
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{ _("Series:"), "series" },
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{ _("Pages:"), "pages" },
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{ _("Language:"), "language" },
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{ _("Keywords:"), "keywords" },
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{ _("Description:"), "description" },
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local prop_text = {
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title = _("Title:"),
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authors = _("Authors:"),
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series = _("Series:"),
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series_index = _("Series index:"),
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pages = _("Pages:"), -- not in document metadata
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language = _("Language:"),
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keywords = _("Keywords:"),
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description = _("Description:"),
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}
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for _i, v in ipairs(props) do
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local prop_text, prop_key = unpack(v)
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for _i, prop_key in ipairs(self.props) do
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local prop = book_props[prop_key]
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if prop == nil or prop == "" then
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prop = _("N/A")
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@ -84,16 +95,6 @@ function BookInfo:show(file, book_props, metadata_updated_caller_callback)
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else
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prop = BD.auto(prop)
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end
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elseif prop_key == "series" then
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-- If we were fed a BookInfo book_props (e.g., covermenu), series index is in a separate field
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if book_props.series_index then
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-- Here, we're assured that series_index is a Lua number, so round integers are automatically
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-- displayed without decimals
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prop = prop .. " #" .. book_props.series_index
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else
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-- But here, if we have a plain doc_props series with an index, drop empty decimals from round integers.
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prop = prop:gsub("(#%d+)%.0+$", "%1")
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end
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elseif prop_key == "language" then
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-- Get a chance to have title, authors... rendered with alternate
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-- glyphs for the book language (e.g. japanese book in chinese UI)
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@ -102,7 +103,10 @@ function BookInfo:show(file, book_props, metadata_updated_caller_callback)
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-- Description may (often in EPUB, but not always) or may not (rarely in PDF) be HTML
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prop = util.htmlToPlainTextIfHtml(prop)
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end
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table.insert(kv_pairs, { prop_text, prop })
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table.insert(kv_pairs, { prop_text[prop_key], prop })
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if prop_key == "series_index" then
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table.insert(kv_pairs, { prop_text["pages"], book_props["pages"] or _("N/A") })
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end
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end
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-- cover image
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local is_doc = self.document and true or false
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@ -150,7 +154,7 @@ function BookInfo:show(file, book_props, metadata_updated_caller_callback)
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local ReaderUI = require("apps/reader/readerui")
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ui = ReaderUI.instance
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end
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if ui and ui.coverbrowser then
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if ui and ui.coverbrowser then -- refresh cache db
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ui.coverbrowser:deleteBookInfo(file)
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end
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if fm_ui then
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@ -169,7 +173,36 @@ function BookInfo:show(file, book_props, metadata_updated_caller_callback)
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UIManager:show(self.kvp_widget)
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end
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function BookInfo:getBookProps(file, book_props, no_open_document)
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-- Returns customized metadata.
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function BookInfo.customizeProps(original_props, filepath)
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local custom_props = {} -- stub
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original_props = original_props or {}
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local props = {}
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for _i, prop_key in ipairs(BookInfo.props) do
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props[prop_key] = custom_props[prop_key] or original_props[prop_key]
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end
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props.pages = original_props.pages
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-- if original title is empty, generate it as filename without extension
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props.display_title = props.title or filemanagerutil.splitFileNameType(filepath)
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return props
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end
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-- Returns document metadata (opened document or book (file) metadata or custom metadata).
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function BookInfo.getDocProps(ui, file, book_props, no_open_document, no_customize)
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local original_props, filepath
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if ui then -- currently opened document
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original_props = ui.doc_settings:readSetting("doc_props")
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filepath = ui.document.file
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else -- from file
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original_props = BookInfo.getBookProps(file, book_props, no_open_document)
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filepath = file
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end
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return no_customize and original_props or BookInfo.customizeProps(original_props, filepath)
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end
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-- Returns book (file) metadata, including number of pages.
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function BookInfo.getBookProps(file, book_props, no_open_document)
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if DocSettings:hasSidecarFile(file) then
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local doc_settings = DocSettings:open(file)
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if not book_props then
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@ -184,9 +217,8 @@ function BookInfo:getBookProps(file, book_props, no_open_document)
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-- the fact that stats.page = 0)
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local stats = doc_settings:readSetting("stats")
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if stats and stats.pages ~= 0 then
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-- Let's use them as is (which was what was done before), even if
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-- incomplete, to avoid expensive book opening
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book_props = stats
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-- title, authors, series, series_index, language
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book_props = Document:getProps(stats)
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end
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end
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-- Files opened after 20170701 have an accurate "doc_pages" setting.
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@ -229,26 +261,20 @@ function BookInfo:getBookProps(file, book_props, no_open_document)
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return book_props or {}
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end
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-- Shows book information for currently opened document.
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function BookInfo:onShowBookInfo()
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if not self.document then return end
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-- Get them directly from ReaderUI's doc_settings
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local doc_props = self.ui.doc_settings:readSetting("doc_props")
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-- Make a copy, so we don't add "pages" to the original doc_props
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-- that will be saved at some point by ReaderUI.
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local book_props = { pages = self.ui.doc_settings:readSetting("doc_pages") }
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for k, v in pairs(doc_props) do
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book_props[k] = v
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if self.document then
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self.ui.doc_props.pages = self.ui.doc_settings:readSetting("doc_pages")
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self:show(self.document.file, self.ui.doc_props)
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end
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self:show(self.document.file, book_props)
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end
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function BookInfo:onShowBookDescription(description, file)
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if not description then
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if file then
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description = self:getBookProps(file).description
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elseif self.document then
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description = self.ui.doc_settings:readSetting("doc_props").description
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or self.document:getProps().description
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description = BookInfo.getDocProps(nil, file).description
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elseif self.document then -- currently opened document
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description = self.ui.doc_props.description
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end
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end
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if description and description ~= "" then
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hius07
8 months ago
committed by
GitHub