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  • Bug fixes for general core bugs in 3.11.x will end 14 Nov 2022 (12 months plus 6 months extension).
  • Bug fixes for security issues in 3.11.x will end 13 Nov 2023 (18 months plus 12 months extension).
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Book module local lib functions

Copyright: 2010-2011 Petr Skoda {@link http://skodak.org}
License: http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
File Size: 706 lines (28 kb)
Included or required: 11 times
Referenced: 6 times
Includes or requires: 1 file
 mod/book/lib.php

Defines 1 class

book_file_info:: (10 methods):
  __construct()
  get_params()
  get_visible_name()
  is_writable()
  is_directory()
  get_children()
  get_filtered_children()
  get_non_empty_children()
  count_non_empty_children()
  get_parent()

Defines 10 functions


Class: book_file_info  - X-Ref

File browsing support class

__construct($browser, $course, $cm, $context, $areas, $filearea)   X-Ref
Constructor

param: file_browser $browser file_browser instance
param: stdClass $course course object
param: stdClass $cm course module object
param: stdClass $context module context
param: array $areas available file areas
param: string $filearea file area to browse

get_params()   X-Ref
Returns list of standard virtual file/directory identification.
The difference from stored_file parameters is that null values
are allowed in all fields

return: array with keys contextid, filearea, itemid, filepath and filename

get_visible_name()   X-Ref
Returns localised visible name.

return: string

is_writable()   X-Ref
Can I add new files or directories?

return: bool

is_directory()   X-Ref
Is directory?

return: bool

get_children()   X-Ref
Returns list of children.

return: array of file_info instances

get_filtered_children($extensions = '*', $countonly = false, $returnemptyfolders = false)   X-Ref
Help function to return files matching extensions or their count

param: string|array $extensions, either '*' or array of lowercase extensions, i.e. array('.gif','.jpg')
param: bool|int $countonly if false returns the children, if an int returns just the
param: bool $returnemptyfolders if true returns items that don't have matching files inside
return: array|int array of file_info instances or the count

get_non_empty_children($extensions = '*')   X-Ref
Returns list of children which are either files matching the specified extensions
or folders that contain at least one such file.

param: string|array $extensions, either '*' or array of lowercase extensions, i.e. array('.gif','.jpg')
return: array of file_info instances

count_non_empty_children($extensions = '*', $limit = 1)   X-Ref
Returns the number of children which are either files matching the specified extensions
or folders containing at least one such file.

param: string|array $extensions, for example '*' or array('.gif','.jpg')
param: int $limit stop counting after at least $limit non-empty children are found
return: int

get_parent()   X-Ref
Returns parent file_info instance

return: file_info or null for root

Functions that are not part of a class:

book_preload_chapters($book)   X-Ref
Preload book chapters and fix toc structure if necessary.

Returns array of chapters with standard 'pagenum', 'id, pagenum, subchapter, title, content, contentformat, hidden'
and extra 'parent, number, subchapters, prev, next'.
Please note the content/text of chapters is not included.

param: stdClass $book
return: array of id=>chapter

book_get_chapter_title($chid, $chapters, $book, $context)   X-Ref
Returns the title for a given chapter

param: int $chid
param: array $chapters
param: stdClass $book
param: context_module $context
return: string

book_add_fake_block($chapters, $chapter, $book, $cm, $edit = null)   X-Ref
Add the book TOC sticky block to the default region.

param: array       $chapters   The Chapters in the book
param: stdClass    $chapter    The current chapter
param: stdClass    $book       The book
param: stdClass    $cm         The course module
param: bool|null   $edit       Whether the user is editing

book_get_toc($chapters, $chapter, $book, $cm, $edit)   X-Ref
Generate toc structure

param: array $chapters
param: stdClass $chapter
param: stdClass $book
param: stdClass $cm
param: bool $edit
return: string

mod_book_get_tagged_chapters($tag, $exclusivemode = false, $fromctx = 0, $ctx = 0, $rec = true, $page = 0)   X-Ref
Returns book chapters tagged with a specified tag.

This is a callback used by the tag area mod_book/book_chapters to search for book chapters
tagged with a specific tag.

param: core_tag_tag $tag
param: bool $exclusivemode if set to true it means that no other entities tagged with this tag
param: int $fromctx context id where the link was displayed, may be used by callbacks
param: int $ctx context id where to search for records
param: bool $rec search in subcontexts as well
param: int $page 0-based number of page being displayed
return: \core_tag\output\tagindex