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<?php
global $CFG;
require_once('HTML/QuickForm/element.php');
require_once($CFG->dirroot.'/lib/filelib.php');
require_once($CFG->dirroot.'/repository/lib.php');
//TODO:
// * locking
// * freezing
// * ajax format conversion
class MoodleQuickForm_editor extends HTML_QuickForm_element {
public $_helpbutton = '';
public $_type = 'editor';
protected $_options = array('subdirs'=>0, 'maxbytes'=>0, 'maxfiles'=>0, 'changeformat'=>0,
'context'=>null, 'noclean'=>0, 'trusttext'=>0);
protected $_values = array('text'=>null, 'format'=>null, 'itemid'=>null);
function MoodleQuickForm_editor($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, $options['maxbytes']);
}
if (!$this->_options['context']) {
$this->_options['context'] = get_context_instance(CONTEXT_SYSTEM);
}
$this->_options['trusted'] = trusttext_trusted($this->_options['context']);
parent::HTML_QuickForm_element($elementName, $elementLabel, $attributes);
editors_head_setup();
}
function setName($name) {
$this->updateAttributes(array('name'=>$name));
}
function getName() {
return $this->getAttribute('name');
}
function setValue($values) {
$values = (array)$values;
foreach ($values as $name=>$value) {
if (array_key_exists($name, $this->_values)) {
$this->_values[$name] = $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 getMaxfiles() {
return $this->_options['maxfiles'];
}
function setMaxfiles($num) {
$this->_options['maxfiles'] = $num;
}
function getSubdirs() {
return $this->_options['subdirs'];
}
function setSubdirs($allow) {
$this->_options['subdirs'] = $allow;
}
function setHelpButton($_helpbuttonargs, $function='_helpbutton') {
if (!is_array($_helpbuttonargs)) {
$_helpbuttonargs = array($_helpbuttonargs);
} else {
$_helpbuttonargs = $_helpbuttonargs;
}
//we do this to to return html instead of printing it
//without having to specify it in every call to make a button.
if ('_helpbutton' == $function){
$defaultargs = array('', '', 'moodle', true, false, '', true);
$_helpbuttonargs = $_helpbuttonargs + $defaultargs ;
}
$this->_helpbutton=call_user_func_array($function, $_helpbuttonargs);
}
function getHelpButton() {
return $this->_helpbutton;
}
function getElementTemplateType() {
if ($this->_flagFrozen){
return 'nodisplay';
} else {
return 'default';
}
}
function toHtml() {
global $CFG, $PAGE;
require_once($CFG->dirroot.'/repository/lib.php');
if ($this->_flagFrozen) {
return $this->getFrozenHtml();
}
$ctx = $this->_options['context'];
$id = $this->_attributes['id'];
$elname = $this->_attributes['name'];
$subdirs = $this->_options['subdirs'];
$maxbytes = $this->_options['maxbytes'];
$maxfiles = $this->_options['maxfiles'];
$changeformat = $this->_options['changeformat']; // TO DO: implement as ajax calls
$text = $this->_values['text'];
$format = $this->_values['format'];
$draftitemid = $this->_values['itemid'];
// security - never ever allow guest/not logged in user to upload anything
if (isguestuser() or !isloggedin()) {
$maxfiles = 0;
}
$str = $this->_getTabs();
$str .= '<div>';
$editor = editors_get_preferred_editor($format);
$strformats = format_text_menu();
$formats = $editor->get_supported_formats();
foreach ($formats as $fid) {
$formats[$fid] = $strformats[$fid];
}
// get filepicker info
//
$fpoptions = array();
if ($maxfiles != 0 ) {
if (empty($draftitemid)) {
// no existing area info provided - let's use fresh new draft area
require_once("$CFG->libdir/filelib.php");
$this->setValue(array('itemid'=>file_get_unused_draft_itemid()));
$draftitemid = $this->_values['itemid'];
}
$args = new stdClass();
// need these three to filter repositories list
$args->accepted_types = array('image');
$args->return_types = (FILE_INTERNAL | FILE_EXTERNAL);
$args->context = $ctx;
$args->env = 'filepicker';
// advimage plugin
$image_options = initialise_filepicker($args);
$image_options->context = $ctx;
$image_options->client_id = uniqid();
$image_options->maxbytes = $this->_options['maxbytes'];
$image_options->env = 'editor';
$image_options->itemid = $draftitemid;
// moodlemedia plugin
$args->accepted_types = array('video', 'audio');
$media_options = initialise_filepicker($args);
$media_options->context = $ctx;
$media_options->client_id = uniqid();
$media_options->maxbytes = $this->_options['maxbytes'];
$media_options->env = 'editor';
$media_options->itemid = $draftitemid;
// advlink plugin
$args->accepted_types = '*';
$link_options = initialise_filepicker($args);
$link_options->context = $ctx;
$link_options->client_id = uniqid();
$link_options->maxbytes = $this->_options['maxbytes'];
$link_options->env = 'editor';
$link_options->itemid = $draftitemid;
$fpoptions['image'] = $image_options;
$fpoptions['media'] = $media_options;
$fpoptions['link'] = $link_options;
}
/// print text area - TODO: add on-the-fly switching, size configuration, etc.
$editor->use_editor($id, $this->_options, $fpoptions);
$rows = empty($this->_attributes['rows']) ? 15 : $this->_attributes['rows'];
$cols = empty($this->_attributes['cols']) ? 80 : $this->_attributes['cols'];
//Apply editor rules is required
$editorrules = '';
if (!is_null($this->getAttribute('onblur')) && !is_null($this->getAttribute('onchange'))) {
$editorrules = 'onblur="'.$this->getAttribute('onblur').'" onchange="'.$this->getAttribute('onchange').'"';
}
$str .= '<div><textarea id="'.$id.'" name="'.$elname.'[text]" rows="'.$rows.'" cols="'.$cols.'"'.$editorrules.'>';
$str .= s($text);
$str .= '</textarea></div>';
$str .= '<div>';
$str .= '<select name="'.$elname.'[format]">';
foreach ($formats as $key=>$desc) {
$selected = ($format == $key) ? 'selected="selected"' : '';
$str .= '<option value="'.s($key).'" '.$selected.'>'.$desc.'</option>';
}
$str .= '</select>';
$str .= '</div>';
// during moodle installation, user area doesn't exist
// so we need to disable filepicker here.
if (!during_initial_install() && empty($CFG->adminsetuppending)) {
// 0 means no files, -1 unlimited
if ($maxfiles != 0 ) {
$str .= '<input type="hidden" name="'.$elname.'[itemid]" value="'.$draftitemid.'" />';
// used by non js editor only
$editorurl = new moodle_url("$CFG->wwwroot/repository/draftfiles_manager.php", array(
'action'=>'browse',
'env'=>'editor',
'itemid'=>$draftitemid,
'subdirs'=>$subdirs,
'maxbytes'=>$maxbytes,
'maxfiles'=>$maxfiles,
'ctx_id'=>$ctx->id,
'course'=>$PAGE->course->id,
'sesskey'=>sesskey(),
));
$str .= '<noscript>';
$str .= "<div><object type='text/html' data='$editorurl' height='160' width='600' style='border:1px solid #000'></object></div>";
$str .= '</noscript>';
}
}
$str .= '</div>';
return $str;
}
}
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