mirror of https://github.com/koreader/koreader
Merge 4c91114489 into 87c85bf94d
hius07
2 weeks ago
committed by
GitHub
commit
f483e0d635
@ -0,0 +1,425 @@
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local WidgetContainer = require("ui/widget/container/widgetcontainer")
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local logger = require("logger")
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local _ = require("gettext")
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local T = require("ffi/util").template
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local ReaderAnnotation = WidgetContainer:extend{
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annotations = nil, -- array sorted by annotation position order, ascending
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}
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-- build, read, save
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function ReaderAnnotation:buildAnnotation(bm, highlights, init)
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-- bm: associated single bookmark ; highlights: tables with all highlights
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local note = bm.text
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if note == "" then
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note = nil
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end
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local chapter = bm.chapter
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local hl, pageno = self:getHighlightByDatetime(highlights, bm.datetime)
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if init then
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if note and self.ui.bookmark:isBookmarkAutoText(bm) then
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note = nil
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end
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if chapter == nil then
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chapter = self.ui.toc:getTocTitleByPage(bm.page)
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end
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pageno = self.ui.paging and bm.page or self.document:getPageFromXPointer(bm.page)
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end
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if not hl then -- page bookmark or orphaned bookmark
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hl = {}
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if bm.highlighted then -- orphaned bookmark
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hl.drawer = self.view.highlight.saved_drawer
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hl.color = self.view.highlight.saved_color
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if self.ui.paging then
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if bm.pos0.page == bm.pos1.page then
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hl.pboxes = self.document:getPageBoxesFromPositions(bm.page, bm.pos0, bm.pos1)
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else -- multi-page highlight, restore the first box only
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hl.pboxes = self.document:getPageBoxesFromPositions(bm.page, bm.pos0, bm.pos0)
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end
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end
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end
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end
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if self.ui.paging then
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-- old single-page reflow highlights do not have page in position
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if not bm.pos0.page then
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bm.pos0.page = bm.page
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bm.pos1.page = bm.page
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end
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end
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return { -- annotation
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datetime = bm.datetime, -- creation time, not changeable
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drawer = hl.drawer, -- highlight drawer
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color = hl.color, -- highlight color
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text = bm.notes, -- highlighted text, editable
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text_edited = hl.edited, -- true if highlighted text has been edited
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note = note, -- user's note, editable
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chapter = chapter, -- book chapter title
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pageno = pageno, -- book page number
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page = bm.page, -- highlight location, xPointer or number (pdf)
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pos0 = bm.pos0, -- highlight start position, xPointer (== page) or table (pdf)
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pos1 = bm.pos1, -- highlight end position, xPointer or table (pdf)
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pboxes = hl.pboxes, -- pdf pboxes, used only and changeable by addMarkupAnnotation
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ext = hl.ext, -- pdf multi-page highlight
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}
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end
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function ReaderAnnotation:getHighlightByDatetime(highlights, datetime)
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for pageno, page_highlights in pairs(highlights) do
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for _, highlight in ipairs(page_highlights) do
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if highlight.datetime == datetime then
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return highlight, pageno
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end
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end
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end
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end
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function ReaderAnnotation:getAnnotationsFromBookmarksHighlights(bookmarks, highlights, init)
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local annotations = {}
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for i = #bookmarks, 1, -1 do
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table.insert(annotations, self:buildAnnotation(bookmarks[i], highlights, init))
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end
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if init then
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self:sortItems(annotations)
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end
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return annotations
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end
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function ReaderAnnotation:onReadSettings(config)
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local annotations = config:readSetting("annotations")
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if annotations then
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-- KOHighlights may set this key when it has merged annotations from different sources:
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-- we want to make sure they are updated and sorted
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local needs_update = config:isTrue("annotations_externally_modified")
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local needs_sort -- if incompatible annotations were built of old highlights/bookmarks
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-- Annotation formats in crengine and mupdf are incompatible.
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local has_annotations = #annotations > 0
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local annotations_type = has_annotations and type(annotations[1].page)
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if self.ui.rolling and annotations_type ~= "string" then -- incompatible format loaded, or empty
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if has_annotations then -- backup incompatible format if not empty
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config:saveSetting("annotations_paging", annotations)
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end
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-- load compatible format
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annotations = config:readSetting("annotations_rolling") or {}
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config:delSetting("annotations_rolling")
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needs_sort = true
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elseif self.ui.paging and annotations_type ~= "number" then
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if has_annotations then
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config:saveSetting("annotations_rolling", annotations)
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end
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annotations = config:readSetting("annotations_paging") or {}
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config:delSetting("annotations_paging")
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needs_sort = true
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end
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self.annotations = annotations
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if needs_update or needs_sort then
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if self.ui.rolling then
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self.ui:registerPostInitCallback(function()
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self:updatedAnnotations(needs_update, needs_sort)
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end)
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else
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self:updatedAnnotations(needs_update, needs_sort)
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end
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config:delSetting("annotations_externally_modified")
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end
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else -- first run
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if self.ui.rolling then
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self.ui:registerPostInitCallback(function()
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self:migrateToAnnotations(config)
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end)
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else
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self:migrateToAnnotations(config)
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end
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end
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end
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function ReaderAnnotation:migrateToAnnotations(config)
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local bookmarks = config:readSetting("bookmarks") or {}
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local highlights = config:readSetting("highlight") or {}
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if config:hasNot("highlights_imported") then
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-- before 2014, saved highlights were not added to bookmarks when they were created.
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for page, hls in pairs(highlights) do
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for _, hl in ipairs(hls) do
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local hl_page = self.ui.paging and page or hl.pos0
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-- highlights saved by some old versions don't have pos0 field
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-- we just ignore those highlights
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if hl_page then
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local item = {
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datetime = hl.datetime,
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highlighted = true,
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notes = hl.text,
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page = hl_page,
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pos0 = hl.pos0,
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pos1 = hl.pos1,
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}
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if self.ui.paging then
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item.pos0.page = page
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item.pos1.page = page
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end
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table.insert(bookmarks, item)
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end
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end
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end
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end
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-- Bookmarks/highlights formats in crengine and mupdf are incompatible.
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local has_bookmarks = #bookmarks > 0
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local bookmarks_type = has_bookmarks and type(bookmarks[1].page)
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if self.ui.rolling then
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if bookmarks_type == "string" then -- compatible format loaded, check for incompatible old backup
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if config:has("bookmarks_paging") then -- save incompatible old backup
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local bookmarks_paging = config:readSetting("bookmarks_paging")
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local highlights_paging = config:readSetting("highlight_paging")
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local annotations = self:getAnnotationsFromBookmarksHighlights(bookmarks_paging, highlights_paging)
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config:saveSetting("annotations_paging", annotations)
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config:delSetting("bookmarks_paging")
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config:delSetting("highlight_paging")
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end
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else -- incompatible format loaded, or empty
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if has_bookmarks then -- save incompatible format if not empty
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local annotations = self:getAnnotationsFromBookmarksHighlights(bookmarks, highlights)
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config:saveSetting("annotations_paging", annotations)
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end
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-- load compatible format
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bookmarks = config:readSetting("bookmarks_rolling") or {}
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highlights = config:readSetting("highlight_rolling") or {}
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config:delSetting("bookmarks_rolling")
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config:delSetting("highlight_rolling")
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end
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else -- self.ui.paging
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if bookmarks_type == "number" then
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if config:has("bookmarks_rolling") then
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local bookmarks_rolling = config:readSetting("bookmarks_rolling")
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local highlights_rolling = config:readSetting("highlight_rolling")
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local annotations = self:getAnnotationsFromBookmarksHighlights(bookmarks_rolling, highlights_rolling)
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config:saveSetting("annotations_rolling", annotations)
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config:delSetting("bookmarks_rolling")
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config:delSetting("highlight_rolling")
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end
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else
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if has_bookmarks then
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local annotations = self:getAnnotationsFromBookmarksHighlights(bookmarks, highlights)
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config:saveSetting("annotations_rolling", annotations)
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end
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bookmarks = config:readSetting("bookmarks_paging") or {}
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highlights = config:readSetting("highlight_paging") or {}
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config:delSetting("bookmarks_paging")
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config:delSetting("highlight_paging")
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end
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end
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self.annotations = self:getAnnotationsFromBookmarksHighlights(bookmarks, highlights, true)
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end
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function ReaderAnnotation:onDocumentRerendered()
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self.needs_update = true
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end
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function ReaderAnnotation:onCloseDocument()
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self:updatePageNumbers()
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end
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function ReaderAnnotation:onSaveSettings()
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self:updatePageNumbers()
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self.ui.doc_settings:saveSetting("annotations", self.annotations)
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end
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-- items handling
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function ReaderAnnotation:updatePageNumbers()
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if self.needs_update and self.ui.rolling then -- triggered by ReaderRolling on document layout change
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for _, item in ipairs(self.annotations) do
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item.pageno = self.document:getPageFromXPointer(item.page)
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end
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end
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self.needs_update = nil
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end
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function ReaderAnnotation:sortItems(items)
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if #items > 1 then
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local sort_func = self.ui.rolling and function(a, b) return self:isItemInPositionOrderRolling(a, b) end
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or function(a, b) return self:isItemInPositionOrderPaging(a, b) end
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table.sort(items, sort_func)
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end
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end
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function ReaderAnnotation:updatedAnnotations(needs_update, needs_sort)
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if needs_update then
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self.needs_update = true
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self:updatePageNumbers()
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needs_sort = true
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end
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if needs_sort then
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self:sortItems(self.annotations)
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end
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end
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function ReaderAnnotation:updateItemByXPointer(item)
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-- called by ReaderRolling:checkXPointersAndProposeDOMVersionUpgrade()
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local chapter = self.ui.toc:getTocTitleByPage(item.page)
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if chapter == "" then
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chapter = nil
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end
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if not item.drawer then -- page bookmark
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item.text = chapter and T(_("in %1"), chapter) or nil
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end
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item.chapter = chapter
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item.pageno = self.document:getPageFromXPointer(item.page)
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end
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function ReaderAnnotation:isItemInPositionOrderRolling(a, b)
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local a_page = self.document:getPageFromXPointer(a.page)
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local b_page = self.document:getPageFromXPointer(b.page)
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if a_page == b_page then -- both items in the same page
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if a.drawer and b.drawer then -- both items are highlights, compare positions
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local compare_xp = self.document:compareXPointers(a.page, b.page)
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if compare_xp then
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if compare_xp == 0 then -- both highlights with the same start, compare ends
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compare_xp = self.document:compareXPointers(a.pos1, b.pos1)
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if compare_xp then
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return compare_xp > 0
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end
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logger.warn("Invalid xpointer in highlight:", a.pos1, b.pos1)
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return true
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end
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return compare_xp > 0
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end
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-- if compare_xp is nil, some xpointer is invalid and "a" will be sorted first to page 1
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logger.warn("Invalid xpointer in highlight:", a.page, b.page)
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return true
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end
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return not a.drawer -- have page bookmarks before highlights
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end
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return a_page < b_page
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end
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function ReaderAnnotation:isItemInPositionOrderPaging(a, b)
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if a.page == b.page then -- both items in the same page
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if a.drawer and b.drawer then -- both items are highlights, compare positions
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local is_reflow = self.document.configurable.text_wrap -- save reflow mode
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self.document.configurable.text_wrap = 0 -- native positions
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-- sort start and end positions of each highlight
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local a_start, a_end, b_start, b_end, result
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if self.document:comparePositions(a.pos0, a.pos1) > 0 then
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a_start, a_end = a.pos0, a.pos1
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else
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a_start, a_end = a.pos1, a.pos0
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end
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if self.document:comparePositions(b.pos0, b.pos1) > 0 then
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b_start, b_end = b.pos0, b.pos1
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else
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b_start, b_end = b.pos1, b.pos0
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end
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-- compare start positions
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local compare_pos = self.document:comparePositions(a_start, b_start)
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if compare_pos == 0 then -- both highlights with the same start, compare ends
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result = self.document:comparePositions(a_end, b_end) > 0
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else
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result = compare_pos > 0
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end
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self.document.configurable.text_wrap = is_reflow -- restore reflow mode
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return result
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end
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return not a.drawer -- have page bookmarks before highlights
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end
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return a.page < b.page
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end
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function ReaderAnnotation:getItemIndex(item, no_binary)
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local doesMatch
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if item.datetime then
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doesMatch = function(a, b)
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return a.datetime == b.datetime
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end
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else
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if self.ui.rolling then
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doesMatch = function(a, b)
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if a.text ~= b.text or a.pos0 ~= b.pos0 or a.pos1 ~= b.pos1 then
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return false
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end
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return true
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end
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else
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doesMatch = function(a, b)
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if a.text ~= b.text or a.pos0.page ~= b.pos0.page
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or a.pos0.x ~= b.pos0.x or a.pos1.x ~= b.pos1.x
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or a.pos0.y ~= b.pos0.y or a.pos1.y ~= b.pos1.y then
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return false
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end
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return true
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end
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end
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end
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if not no_binary then
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local isInOrder = self.ui.rolling and self.isItemInPositionOrderRolling or self.isItemInPositionOrderPaging
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local _start, _end, _middle = 1, #self.annotations
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while _start <= _end do
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_middle = bit.rshift(_start + _end, 1)
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local v = self.annotations[_middle]
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if doesMatch(item, v) then
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return _middle
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elseif isInOrder(self, item, v) then
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_end = _middle - 1
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else
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_start = _middle + 1
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end
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end
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end
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for i, v in ipairs(self.annotations) do
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if doesMatch(item, v) then
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return i
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end
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end
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end
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function ReaderAnnotation:getInsertionIndex(item)
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local isInOrder = self.ui.rolling and self.isItemInPositionOrderRolling or self.isItemInPositionOrderPaging
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local _start, _end, _middle, direction = 1, #self.annotations, 1, 0
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while _start <= _end do
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_middle = bit.rshift(_start + _end, 1)
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if isInOrder(self, item, self.annotations[_middle]) then
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_end, direction = _middle - 1, 0
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else
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_start, direction = _middle + 1, 1
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end
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end
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return _middle + direction
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end
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function ReaderAnnotation:addItem(item)
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item.datetime = os.date("%Y-%m-%d %H:%M:%S")
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item.pageno = self.ui.paging and item.page or self.document:getPageFromXPointer(item.page)
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local index = self:getInsertionIndex(item)
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table.insert(self.annotations, index, item)
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return index
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end
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-- info
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function ReaderAnnotation:hasAnnotations()
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return #self.annotations > 0
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end
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function ReaderAnnotation:getNumberOfAnnotations()
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return #self.annotations
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end
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function ReaderAnnotation:getNumberOfHighlightsAndNotes() -- for Statistics plugin
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local highlights = 0
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local notes = 0
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for _, item in ipairs(self.annotations) do
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if item.drawer then
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if item.note then
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notes = notes + 1
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else
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highlights = highlights + 1
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end
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end
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end
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return highlights, notes
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end
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return ReaderAnnotation
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