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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* File manager
*
* @package moodlecore
* @subpackage file
* @copyright 1999 onwards Dongsheng Cai <dongsheng@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
global $CFG;
require_once('HTML/QuickForm/element.php');
require_once($CFG->dirroot.'/lib/filelib.php');
require_once($CFG->dirroot.'/repository/lib.php');
class MoodleQuickForm_filemanager extends HTML_QuickForm_element {
public $_helpbutton = '';
protected $_options = array('mainfile'=>'', 'subdirs'=>1, 'maxbytes'=>-1, 'maxfiles'=>-1, 'accepted_types'=>'*', 'return_types'=>FILE_INTERNAL);
function MoodleQuickForm_filemanager($elementName=null, $elementLabel=null, $attributes=null, $options=null) {
global $CFG, $PAGE;
$options = (array)$options;
foreach ($options as $name=>$value) {
if (array_key_exists($name, $this->_options)) {
$this->_options[$name] = $value;
}
}
if (!empty($options['maxbytes'])) {
$this->_options['maxbytes'] = get_max_upload_file_size($CFG->maxbytes, $options['maxbytes']);
}
$this->_type = 'filemanager';
parent::HTML_QuickForm_element($elementName, $elementLabel, $attributes);
}
function setName($name) {
$this->updateAttributes(array('name'=>$name));
}
function getName() {
return $this->getAttribute('name');
}
function setValue($value) {
$this->updateAttributes(array('value'=>$value));
}
function getValue() {
return $this->getAttribute('value');
}
function getMaxbytes() {
return $this->_options['maxbytes'];
}
function setMaxbytes($maxbytes) {
global $CFG;
$this->_options['maxbytes'] = get_max_upload_file_size($CFG->maxbytes, $maxbytes);
}
function getSubdirs() {
return $this->_options['subdirs'];
}
function setSubdirs($allow) {
$this->_options['subdirs'] = $allow;
}
function getMaxfiles() {
return $this->_options['maxfiles'];
}
function setMaxfiles($num) {
$this->_options['maxfiles'] = $num;
}
function setHelpButton($helpbuttonargs, $function='helpbutton'){
debugging('component setHelpButton() is not used any more, please use $mform->setHelpButton() instead');
}
function getHelpButton() {
return $this->_helpbutton;
}
function getElementTemplateType() {
if ($this->_flagFrozen){
return 'nodisplay';
} else {
return 'default';
}
}
function toHtml() {
global $CFG, $USER, $COURSE, $PAGE, $OUTPUT;
require_once("$CFG->dirroot/repository/lib.php");
// security - never ever allow guest/not logged in user to upload anything or use this element!
if (isguestuser() or !isloggedin()) {
print_error('noguest');
}
if ($this->_flagFrozen) {
return $this->getFrozenHtml();
}
$id = $this->_attributes['id'];
$elname = $this->_attributes['name'];
$subdirs = $this->_options['subdirs'];
$maxbytes = $this->_options['maxbytes'];
$draftitemid = $this->getValue();
$accepted_types = (array) $this->_options['accepted_types'];
if (empty($draftitemid)) {
// no existing area info provided - let's use fresh new draft area
require_once("$CFG->libdir/filelib.php");
$this->setValue(file_get_unused_draft_itemid());
$draftitemid = $this->getValue();
}
$client_id = uniqid();
// filemanager options
$options = new stdClass();
$options->mainfile = $this->_options['mainfile'];
$options->maxbytes = $this->_options['maxbytes'];
$options->maxfiles = $this->getMaxfiles();
$options->client_id = $client_id;
$options->itemid = $draftitemid;
$options->subdirs = $this->_options['subdirs'];
$options->target = $id;
$options->accepted_types = $accepted_types;
$options->return_types = FILE_INTERNAL;
$options->context = $PAGE->context;
$html = $this->_getTabs();
$html .= form_filemanager_render($options);
$html .= '<input value="'.$draftitemid.'" name="'.$elname.'" type="hidden" />';
// label element needs 'for' attribute work
$html .= '<input value="" id="id_'.$elname.'" type="hidden" />';
return $html;
}
}
/**
* Data structure representing a file manager.
*
* @copyright 2010 Dongsheng Cai
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since Moodle 2.0
*/
class form_filemanaer_x {
//TODO: do not use this abstraction (skodak)
public $options;
public function __construct(stdClass $options) {
global $CFG, $USER, $PAGE;
require_once($CFG->dirroot. '/repository/lib.php');
$defaults = array(
'maxbytes'=>-1,
'maxfiles'=>-1,
'itemid'=>0,
'subdirs'=>0,
'client_id'=>uniqid(),
'accepted_types'=>'*',
'return_types'=>FILE_INTERNAL,
'context'=>$PAGE->context
);
foreach ($defaults as $key=>$value) {
if (empty($options->$key)) {
$options->$key = $value;
}
}
$fs = get_file_storage();
// initilise options, getting files in root path
$this->options = file_get_drafarea_files($options->itemid, '/');
// calculate file count
$usercontext = get_context_instance(CONTEXT_USER, $USER->id);
$files = $fs->get_area_files($usercontext->id, 'user', 'draft', $options->itemid, 'id', false);
$filecount = count($files);
$this->options->filecount = $filecount;
// copying other options
foreach ($options as $name=>$value) {
$this->options->$name = $value;
}
// building file picker options
$params = new stdClass();
$params->accepted_types = $options->accepted_types;
$params->return_types = $options->return_types;
$params->context = $options->context;
$params->env = 'filemanager';
$params->disable_types = !empty($options->disable_types)?$options->disable_types:array();
$filepicker_options = initialise_filepicker($params);
$this->options->filepicker = $filepicker_options;
}
}
/**
* Print the file manager
*
* <pre>
* $OUTPUT->file_manager($options);
* </pre>
*
* @param array $options associative array with file manager options
* options are:
* maxbytes=>-1,
* maxfiles=>-1,
* itemid=>0,
* subdirs=>false,
* client_id=>uniqid(),
* acepted_types=>'*',
* return_types=>FILE_INTERNAL,
* context=>$PAGE->context
* @return string HTML fragment
*/
function form_filemanager_render($options) {
global $CFG, $OUTPUT, $PAGE;
$fm = new form_filemanaer_x($options); //TODO: this is unnecessary here, the nested options are getting too complex
static $filemanagertemplateloaded;
$html = '';
$options = $fm->options;
$straddfile = get_string('addfile', 'repository');
$strmakedir = get_string('makeafolder', 'moodle');
$strdownload = get_string('downloadfolder', 'repository');
$strloading = get_string('loading', 'repository');
$icon_progress = $OUTPUT->pix_icon('i/loading_small', $strloading).'';
$client_id = $options->client_id;
$itemid = $options->itemid;
list($context, $course, $cm) = get_context_info_array($options->context->id);
if (is_object($course)) {
$course_maxbytes = $course->maxbytes;
} else {
$course_maxbytes = $CFG->maxbytes;
}
if ($options->maxbytes == -1 || empty($options->maxbytes)) {
$options->maxbytes = $CFG->maxbytes;
}
if (empty($options->filecount)) {
$extra = ' style="display:none"';
} else {
$extra = '';
}
$options->maxbytes = get_max_upload_file_size($CFG->maxbytes, $course_maxbytes, $options->maxbytes);
$maxsize = get_string('maxfilesize', 'moodle', display_size($options->maxbytes));
$loading = get_string('loading', 'repository');
$html .= <<<FMHTML
<div class="filemanager-loading mdl-align" id='filemanager-loading-{$client_id}'>
$icon_progress
</div>
<div id="filemanager-wrapper-{$client_id}" style="display:none">
<div class="fm-breadcrumb" id="fm-path-{$client_id}"></div>
<div class="filemanager-toolbar">
<input type="button" class="fm-btn-add" id="btnadd-{$client_id}" onclick="return false" value="{$straddfile}" />
<input type="button" class="fm-btn-mkdir" id="btncrt-{$client_id}" onclick="return false" value="{$strmakedir}" />
<input type="button" class="fm-btn-download" id="btndwn-{$client_id}" onclick="return false" {$extra} value="{$strdownload}" />
<span> $maxsize </span>
</div>
<div class="filemanager-container" id="filemanager-{$client_id}">
<ul id="draftfiles-{$client_id}" class="fm-filelist">
<li>{$loading}</li>
</ul>
</div>
</div>
<div class='clearer'></div>
FMHTML;
if (empty($filemanagertemplateloaded)) {
$filemanagertemplateloaded = true;
$html .= <<<FMHTML
<div id="fm-template" style="display:none">___fullname___ ___action___</div>
FMHTML;
}
$module = array(
'name'=>'form_filemanager',
'fullpath'=>'/lib/form/filemanager.js',
'requires' => array('core_filepicker', 'base', 'io-base', 'node', 'json', 'yui2-button', 'yui2-container', 'yui2-layout', 'yui2-menu', 'yui2-treeview'),
'strings' => array(array('loading', 'repository'), array('nomorefiles', 'repository'), array('confirmdeletefile', 'repository'),
array('add', 'repository'), array('accessiblefilepicker', 'repository'), array('move', 'moodle'),
array('cancel', 'moodle'), array('download', 'moodle'), array('ok', 'moodle'),
array('emptylist', 'repository'), array('nofilesattached', 'repository'), array('entername', 'repository'), array('enternewname', 'repository'),
array('zip', 'editor'), array('unzip', 'moodle'), array('rename', 'moodle'), array('delete', 'moodle'),
array('cannotdeletefile', 'error'), array('confirmdeletefile', 'repository'),
array('nopathselected', 'repository'), array('popupblockeddownload', 'repository'),
array('draftareanofiles', 'repository'), array('path', 'moodle'), array('setmainfile', 'repository'),
array('moving', 'repository'), array('files', 'moodle')
)
);
$PAGE->requires->js_module($module);
$PAGE->requires->js_init_call('M.form_filemanager.init', array($options), true, $module);
// non javascript file manager
$filemanagerurl = new moodle_url('/repository/draftfiles_manager.php', array(
'env'=>'filemanager',
'action'=>'browse',
'itemid'=>$itemid,
'subdirs'=>$options->subdirs,
'maxbytes'=>$options->maxbytes,
'maxfiles'=>$options->maxfiles,
'ctx_id'=>$PAGE->context->id,
'course'=>$PAGE->course->id,
'sesskey'=>sesskey(),
));
$html .= '<noscript>';
$html .= "<div><object type='text/html' data='$filemanagerurl' height='160' width='600' style='border:1px solid #000'></object></div>";
$html .= '</noscript>';
return $html;
}
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