Represents a module context in the tree navigated by file_browser. More...

Inheritance diagram for file_info_context_module:

Public Member Functions
	__construct ($browser, $context, $course, $cm, $modname)
	Constructor. More...

	copy_to_pathname ($pathname)
	Copy content of this file to local storage, overriding current file if needed. More...

	copy_to_storage ($filerecord)
	Copy content of this file to local storage, overriding current file if needed. More...

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

	create_directory ($newdirname, $userid=NULL)
	Create new directory, may throw exception - make sure params are valid. More...

	create_file_from_pathname ($newfilename, $pathname, $userid=NULL)
	Create new file from pathname - make sure params are valid. More...

	create_file_from_storedfile ($newfilename, $fid, $userid=NULL)
	Create new file from stored file - make sure params are valid. More...

	create_file_from_string ($newfilename, $content, $userid=NULL)
	Create new file from string - make sure params are valid. More...

	delete ()
	Delete file, make sure file is deletable first. More...

	get_author ()
	Returns the author name of the file. More...

	get_children ()
	Returns list of children. More...

	get_file_info ($component, $filearea, $itemid, $filepath, $filename)
	Return information about this specific context level. More...

	get_filesize ()
	Returns file size in bytes, null for directories. More...

	get_license ()
	Returns the license type of the file. More...

	get_mimetype ()
	Returns mimetype. More...

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

	get_params ()
	Returns list of standard virtual file/directory identification. More...

	get_params_rawencoded ()
	Returns array of url encoded params. More...

	get_parent ()
	Returns parent file_info instance. More...

	get_readable_fullname ()
	Returns the localised human-readable name of the file together with virtual path. More...

	get_sortorder ()
	Returns the sort order of the file. More...

	get_source ()
	Returns the source of the file. More...

	get_status ()
	Returns file status flag. More...

	get_timecreated ()
	Returns time created unix timestamp if known. More...

	get_timemodified ()
	Returns time modified unix timestamp if known. More...

	get_url ($forcedownload=false, $https=false)
	Returns file download url. More...

	get_visible_name ()
	Returns localised visible name. More...

	is_directory ()
	Whether or not this is a directory. More...

	is_empty_area ()
	Whether or not this is an emtpy area. More...

	is_external_file ()
	Whether or not this is a external resource. More...

	is_readable ()
	Whether or not I can read content of this file or enter directory. More...

	is_writable ()
	Whether or not files or directories can be added. More...

Protected Member Functions
	build_search_files_sql ($extensions, $prefix=null)
	Builds SQL sub query (WHERE clause) for selecting files with the specified extensions. More...

	get_area_backup ($itemid, $filepath, $filename)
	Get a file from module backup area. More...

	get_area_intro ($itemid, $filepath, $filename)
	Get a file from module intro area. More...

Protected Attributes
array	$areas
	Available file areas.

file_browser	$browser
	File browser instance.

cm_info	$cm
	Course module object.

stdClass	$context
	File context.

stdClass	$course
	Course object.

string	$modname
	Module name.

array	$nonemptychildren
	caches the result of last call to get_non_empty_children()

Detailed Description

Represents a module context in the tree navigated by file_browser.

Copyright: 2008 Petr Skoda (http://skodak.org)

License: http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

Constructor & Destructor Documentation

◆ __construct()

file_info_context_module::__construct	(	$browser,
		$context,
		$course,
		$cm,
		$modname
	)

Constructor.

Parameters

file_browser	$browser	file browser instance
stdClass	$context	context object
stdClass	$course	course object
stdClass	$cm	course module object
string	$modname	module name

Member Function Documentation

◆ build_search_files_sql()

file_info::build_search_files_sql	(	$extensions,
		$prefix = `null`
	)

protectedinherited

Builds SQL sub query (WHERE clause) for selecting files with the specified extensions.

If $extensions == '*' (any file), the result is array('', array()) otherwise the result is something like array('AND filename ...', array(...))

Parameters

string \| array	$extensions	- either '*' or array of lowercase extensions, i.e. array('.gif','.jpg')
string	$prefix	prefix for DB table files in the query (empty by default)

Return values

array of two elements: $sql - sql where clause and $params - array of parameters

◆ copy_to_pathname()

file_info::copy_to_pathname ( $pathname )

inherited

Copy content of this file to local storage, overriding current file if needed.

Todo:: MDL-31068 implement move() rename() unzip() zip()

Parameters

string $pathname real local full file name

Return values

boolean success

Reimplemented in file_info_stored.

◆ copy_to_storage()

file_info::copy_to_storage ( $filerecord )

inherited

Copy content of this file to local storage, overriding current file if needed.

Parameters

array | stdClass $filerecord contains contextid, component, filearea, itemid, filepath, filename and optionally other attributes of the new file

Return values

bool success

Reimplemented in file_info_stored.

◆ count_non_empty_children()

file_info_context_module::count_non_empty_children	(	$extensions = `'*'`,
		$limit = `1`
	)

Returns the number of children which are either files matching the specified extensions or folders containing at least one such file.

Parameters

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

Return values

int

Reimplemented from file_info.

◆ create_directory()

file_info::create_directory	(	$newdirname,
		$userid = `NULL`
	)

inherited

Create new directory, may throw exception - make sure params are valid.

Parameters

string	$newdirname	name of new directory
int	$userid	id of author, default $USER->id

Return values

file_info new directory

Reimplemented in file_info_stored.

◆ create_file_from_pathname()

file_info::create_file_from_pathname	(	$newfilename,
		$pathname,
		$userid = `NULL`
	)

inherited

Create new file from pathname - make sure params are valid.

Parameters

string	$newfilename	name of new file
string	$pathname	location of file
int	$userid	id of author, default $USER->id

Return values

file_info new file

Reimplemented in file_info_stored.

◆ create_file_from_storedfile()

file_info::create_file_from_storedfile	(	$newfilename,
		$fid,
		$userid = `NULL`
	)

inherited

Create new file from stored file - make sure params are valid.

Parameters

string	$newfilename	name of new file
int \| stored_file	$fid	id or stored_file of file
int	$userid	id of author, default $USER->id

Return values

file_info new file

Reimplemented in file_info_stored.

◆ create_file_from_string()

file_info::create_file_from_string	(	$newfilename,
		$content,
		$userid = `NULL`
	)

inherited

Create new file from string - make sure params are valid.

Parameters

string	$newfilename	name of new file
string	$content	of file
int	$userid	id of author, default $USER->id

Return values

file_info new file

Reimplemented in file_info_stored.

◆ delete()

file_info::delete ( )

inherited

Delete file, make sure file is deletable first.

Return values

bool success

Reimplemented in file_info_stored.

◆ get_area_backup()

file_info_context_module::get_area_backup	(	$itemid,
		$filepath,
		$filename
	)

protected

Get a file from module backup area.

Parameters

int	$itemid	item ID
string	$filepath	file path
string	$filename	file name

Return values

file_info|null

◆ get_area_intro()

file_info_context_module::get_area_intro	(	$itemid,
		$filepath,
		$filename
	)

protected

Get a file from module intro area.

Parameters

int	$itemid	item ID
string	$filepath	file path
string	$filename	file name

Return values

file_info|null

◆ get_author()

file_info::get_author ( )

inherited

Returns the author name of the file.

Return values

string author name or null

Reimplemented in file_info_stored.

◆ get_children()

file_info_context_module::get_children ( )

Returns list of children.

Return values

array of file_info instances

Reimplemented from file_info.

◆ get_file_info()

file_info_context_module::get_file_info	(	$component,
		$filearea,
		$itemid,
		$filepath,
		$filename
	)

Return information about this specific context level.

Parameters

string	$component	component
string	$filearea	file area
int	$itemid	item ID
string	$filepath	file path
string	$filename	file name

Return values

file_info|null

◆ get_filesize()

file_info::get_filesize ( )

inherited

Returns file size in bytes, null for directories.

Return values

int	bytes or null if not known

Reimplemented in file_info_stored.

◆ get_license()

file_info::get_license ( )

inherited

Returns the license type of the file.

Return values

string license short name or null

Reimplemented in file_info_stored.

◆ get_mimetype()

file_info::get_mimetype ( )

inherited

Returns mimetype.

Return values

string mimetype or null if not known

Reimplemented in file_info_stored.

◆ get_non_empty_children()

file_info_context_module::get_non_empty_children ( $extensions = '*' )

Returns list of children which are either files matching the specified extensions or folders that contain at least one such file.

Parameters

string | array $extensions either '*' or array of lowercase extensions, i.e. array('.gif','.jpg')

Return values

array of file_info instances

Reimplemented from file_info.

◆ get_params()

file_info::get_params ( )

inherited

Returns list of standard virtual file/directory identification.

The difference from stored_file parameters is that null values are allowed in all fields

Return values

array with keys contextid, component, filearea, itemid, filepath and filename

Reimplemented in file_info_area_course_section, file_info_area_backup_section, file_info_stored, book_file_info, data_file_info_container, forum_file_info_container, glossary_file_info_container, imscp_file_info, mod_lesson_file_info, workshop_file_info_submissions_container, and workshop_file_info_overallfeedback_container.

◆ get_params_rawencoded()

file_info::get_params_rawencoded ( )

inherited

Returns array of url encoded params.

Return values

array with numeric keys

◆ get_parent()

file_info_context_module::get_parent ( )

Returns parent file_info instance.

Return values

file_info|null file_info or null for root

Reimplemented from file_info.

◆ get_readable_fullname()

file_info::get_readable_fullname ( )

inherited

Returns the localised human-readable name of the file together with virtual path.

See also: file_info_stored::get_readable_fullname()

Return values

string

Reimplemented in file_info_stored.

◆ get_sortorder()

file_info::get_sortorder ( )

inherited

Returns the sort order of the file.

Return values

int

Reimplemented in file_info_stored.

◆ get_source()

file_info::get_source ( )

inherited

Returns the source of the file.

Return values

string a source url or null

Reimplemented in file_info_stored.

◆ get_status()

file_info::get_status ( )

inherited

Returns file status flag.

Return values

int	0 means file OK, anything else is a problem and file can not be used

Reimplemented in file_info_stored.

◆ get_timecreated()

file_info::get_timecreated ( )

inherited

Returns time created unix timestamp if known.

Return values

int	timestamp or null

Reimplemented in file_info_stored.

◆ get_timemodified()

file_info::get_timemodified ( )

inherited

Returns time modified unix timestamp if known.

Return values

int	timestamp or null

Reimplemented in file_info_stored.

◆ get_url()

file_info::get_url	(	$forcedownload = `false`,
		$https = `false`
	)

inherited

Returns file download url.

Parameters

bool	$forcedownload	whether or not force download
bool	$https	whether or not force https

Return values

string url

Reimplemented in file_info_area_course_legacy, and file_info_stored.

◆ get_visible_name()

file_info_context_module::get_visible_name ( )

Returns localised visible name.

Return values

string

Reimplemented from file_info.

◆ is_directory()

file_info_context_module::is_directory ( )

Whether or not this is a directory.

Return values

bool

Reimplemented from file_info.

◆ is_empty_area()

file_info_context_module::is_empty_area ( )

Whether or not this is an emtpy area.

Return values

bool

Reimplemented from file_info.

◆ is_external_file()

file_info::is_external_file ( )

inherited

Whether or not this is a external resource.

Return values

bool

Reimplemented in file_info_stored.

◆ is_readable()

file_info::is_readable ( )

inherited

Whether or not I can read content of this file or enter directory.

Return values

bool

Reimplemented in file_info_stored.

◆ is_writable()

file_info_context_module::is_writable ( )

Whether or not files or directories can be added.

Return values

bool

Reimplemented from file_info.

The documentation for this class was generated from the following file:

lib/filebrowser/file_info_context_module.php

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ __construct()

Member Function Documentation

◆ build_search_files_sql()

◆ copy_to_pathname()

◆ copy_to_storage()

◆ count_non_empty_children()

◆ create_directory()

◆ create_file_from_pathname()

◆ create_file_from_storedfile()

◆ create_file_from_string()

◆ delete()

◆ get_area_backup()

◆ get_area_intro()

◆ get_author()

◆ get_children()

◆ get_file_info()

◆ get_filesize()

◆ get_license()

◆ get_mimetype()

◆ get_non_empty_children()

◆ get_params()

◆ get_params_rawencoded()

◆ get_parent()

◆ get_readable_fullname()

◆ get_sortorder()

◆ get_source()

◆ get_status()

◆ get_timecreated()

◆ get_timemodified()

◆ get_url()

◆ get_visible_name()

◆ is_directory()

◆ is_empty_area()

◆ is_external_file()

◆ is_readable()

◆ is_writable()