PHP portfolio_add_button::set_callback_options方法代码示例

 function test_set_formats()
 {
     $button = new portfolio_add_button();
     $button->set_callback_options('assignment_portfolio_caller', array('id' => 6), '/mod/assignment/lib.php');
     $formats = array(PORTFOLIO_FORMAT_FILE, PORTFOLIO_FORMAT_IMAGE);
     $button->set_formats($formats);
     $this->assertEqual(2, count($button->get_formats()));
 }

 public function apply($discussion, $all, $selected, $formdata)
 {
     global $COURSE, $USER, $CFG;
     if (!$CFG->enableportfolios) {
         return '';
     }
     /*
      * It is necessary to encode the array of selected discussion posts as text in order to
      * pass the data in the button callback options because it gets filtered as PARAM_ALPHA
      */
     if (is_array($selected) && !empty($selected)) {
         $seltext = implode('x', $selected);
         $letters = array('a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j');
         $posts = '';
         $selarray = str_split($seltext);
         foreach ($selarray as $char) {
             $posts .= $char == 'x' ? $char : $letters[$char];
         }
     } else {
         $posts = '';
     }
     // get the id of the forum
     $forumobj = $discussion->get_forum();
     $forumngid = $forumobj->get_id();
     require_once $CFG->libdir . '/portfoliolib.php';
     // check if the forum is shared and pass the cloneid in the callback options
     $linkparams = $discussion->get_link_params_array();
     if (array_key_exists('clone', $linkparams)) {
         $cloneid = $linkparams['clone'];
     } else {
         $cloneid = 0;
     }
     $button = new portfolio_add_button();
     $button->set_callback_options('forumng_all_portfolio_caller', array('forumngid' => $forumngid, 'cloneid' => $cloneid, 'posts' => $posts, 'discussionid' => $discussion->get_id()), 'mod_forumng');
     $button->set_formats(PORTFOLIO_FORMAT_PLAINHTML);
     // redirect to the export page
     redirect($button->to_html(PORTFOLIO_ADD_FAKE_URL));
 }

 /**
  * Produces a list of portfolio links to the file recorded byuser
  *
  * @param $submissionid this submission's id
  * @return string the portfolio export link
  */
 public function get_p_links($submissionid)
 {
     global $CFG, $OUTPUT, $DB;
     $output = "";
     $fs = get_file_storage();
     $files = $fs->get_area_files($this->assignment->get_context()->id, ASSIGNSUBMISSION_ONLINEPOODLL_COMPONENT, ASSIGNSUBMISSION_ONLINEPOODLL_FILEAREA, $submissionid, "id", false);
     if (!empty($files)) {
         require_once $CFG->dirroot . '/mod/assignment/locallib.php';
         if ($CFG->enableportfolios) {
             require_once $CFG->libdir . '/portfoliolib.php';
         }
         //Add portfolio download links if appropriate
         foreach ($files as $file) {
             if ($CFG->enableportfolios && has_capability('mod/assign:exportownsubmission', $this->assignment->get_context())) {
                 require_once $CFG->libdir . '/portfoliolib.php';
                 $button = new portfolio_add_button();
                 $button->set_callback_options('assign_portfolio_caller', array('cmid' => $this->assignment->get_course_module()->id, 'component' => "assignsubmission_onlinepoodll", 'area' => ASSIGNSUBMISSION_ONLINEPOODLL_FILEAREA, 'sid' => $submissionid), '/mod/assign/portfolio_callback.php');
                 $button->set_format_by_file($file);
                 $output .= $button->to_html(PORTFOLIO_ADD_TEXT_LINK);
             }
             $output .= '<br />';
         }
     }
     $output = '<div class="files" style="float:left;margin-left:5px;">' . $output . '</div><br clear="all" />';
     return $output;
 }

                if (empty($data->listtemplate)) {
                    echo $OUTPUT->notification(get_string('nolisttemplate', 'data'));
                    data_generate_default_template($data, 'listtemplate', 0, false, false);
                }
                echo $data->listtemplateheader;
                data_print_template('listtemplate', $records, $data, $search, $page);
                echo $data->listtemplatefooter;
                echo $OUTPUT->paging_bar($totalcount, $page, $nowperpage, $baseurl);
            }
        }
    }
    $search = trim($search);
    if (empty($records)) {
        $records = array();
    }
    if ($mode == '' && !empty($CFG->enableportfolios)) {
        require_once $CFG->libdir . '/portfoliolib.php';
        $button = new portfolio_add_button();
        $button->set_callback_options('data_portfolio_caller', array('id' => $cm->id), '/mod/data/locallib.php');
        if (data_portfolio_caller::has_files($data)) {
            $button->set_formats(array(PORTFOLIO_FORMAT_RICHHTML, PORTFOLIO_FORMAT_LEAP2A));
            // no plain html for us
        }
        echo $button->to_html(PORTFOLIO_ADD_FULL_FORM);
    }
    //Advanced search form doesn't make sense for single (redirects list view)
    if (($maxcount || $mode == 'asearch') && $mode != 'single') {
        data_print_preference_form($data, $perpage, $search, $sort, $order, $search_array, $advanced, $mode);
    }
}
echo $OUTPUT->footer();

 /**
  * Render the content in editor that is often used by plugin.
  *
  * @param string $filearea
  * @param int  $submissionid
  * @param string $plugintype
  * @param string $editor
  * @param string $component
  * @return string
  */
 public function render_editor_content($filearea, $submissionid, $plugintype, $editor, $component)
 {
     global $CFG;
     $result = '';
     $plugin = $this->get_submission_plugin_by_type($plugintype);
     $text = $plugin->get_editor_text($editor, $submissionid);
     $format = $plugin->get_editor_format($editor, $submissionid);
     $finaltext = file_rewrite_pluginfile_urls($text, 'pluginfile.php', $this->get_context()->id, $component, $filearea, $submissionid);
     $params = array('overflowdiv' => true, 'context' => $this->get_context());
     $result .= format_text($finaltext, $format, $params);
     if ($CFG->enableportfolios) {
         require_once $CFG->libdir . '/portfoliolib.php';
         $button = new portfolio_add_button();
         $portfolioparams = array('cmid' => $this->get_course_module()->id, 'sid' => $submissionid, 'plugin' => $plugintype, 'editor' => $editor, 'area' => $filearea);
         $button->set_callback_options('assign_portfolio_caller', $portfolioparams, 'mod_assign');
         $fs = get_file_storage();
         if ($files = $fs->get_area_files($this->context->id, $component, $filearea, $submissionid, 'timemodified', false)) {
             $button->set_formats(PORTFOLIO_FORMAT_RICHHTML);
         } else {
             $button->set_formats(PORTFOLIO_FORMAT_PLAINHTML);
         }
         $result .= $button->to_html();
     }
     return $result;
 }

 /**
  * Produces a list of links to the files uploaded by a user
  *
  * @param $userid int optional id of the user. If 0 then $USER->id is used.
  * @param $return boolean optional defaults to false. If true the list is returned rather than printed
  * @return string optional
  */
 function print_user_files($userid = 0, $return = false)
 {
     global $CFG, $USER, $OUTPUT;
     if (!$userid) {
         if (!isloggedin()) {
             return '';
         }
         $userid = $USER->id;
     }
     $output = '';
     $fs = get_file_storage();
     $browser = get_file_browser();
     $found = false;
     if ($files = $fs->get_area_files($this->context->id, 'assignment_submission', $userid, "timemodified", false)) {
         $button = new portfolio_add_button();
         foreach ($files as $file) {
             $filename = $file->get_filename();
             $found = true;
             $mimetype = $file->get_mimetype();
             $path = file_encode_url($CFG->wwwroot . '/pluginfile.php', '/' . $this->context->id . '/assignment_submission/' . $userid . '/' . $filename);
             $output .= '<a href="' . $path . '" ><img src="' . $OUTPUT->old_icon_url(file_mimetype_icon($mimetype)) . '" class="icon" alt="' . $mimetype . '" />' . s($filename) . '</a>';
             if ($this->portfolio_exportable() && has_capability('mod/assignment:exportownsubmission', $this->context)) {
                 $button->set_callback_options('assignment_portfolio_caller', array('id' => $this->cm->id, 'fileid' => $file->get_id()));
                 $button->set_formats(portfolio_format_from_file($file));
                 $output .= $button->to_html(PORTFOLIO_ADD_ICON_LINK);
             }
             $output .= '<br />';
         }
         if (count($files) > 1 && $this->portfolio_exportable() && has_capability('mod/assignment:exportownsubmission', $this->context)) {
             $button->set_callback_options('assignment_portfolio_caller', array('id' => $this->cm->id));
             $button->set_formats(PORTFOLIO_PORMAT_FILE);
             $output .= '<br />' . $button->to_html();
         }
     }
     $output = '<div class="files">' . $output . '</div>';
     if ($return) {
         return $output;
     }
     echo $output;
 }

        }
        if ($iscomplete) {
            $completesessions++;
        }

        $sessionend = $message->timestamp;
        $sessionusers = array();
        $sessionusers[$message->userid] = 1;
    }
    $lasttime = $message->timestamp;
}
echo '</div>';

if (!empty($CFG->enableportfolios) && $canexportsess) {
    require_once($CFG->libdir . '/portfoliolib.php');
    $button = new portfolio_add_button();
    $button->set_callback_options('chat_portfolio_caller', array('id' => $cm->id), 'mod_chat');
    $button->render(null, get_string('addalltoportfolio', 'portfolio'));
}


if (!$showall and $completesessions == 0) {
    echo html_writer::start_tag('p');
    echo get_string('no_complete_sessions_found', 'chat') . '&nbsp;';
    echo html_writer::link('report.php?id='.$cm->id.'&show_all=1', get_string('list_all_sessions', 'chat'));
    echo html_writer::end_tag('p');
}

// Finish the page.
echo $OUTPUT->footer();

/**
 * takes a list of records, the current data, a search string,
 * and mode to display prints the translated template
 *
 * @global object
 * @global object
 * @param string $template
 * @param array $records
 * @param object $data
 * @param string $search
 * @param int $page
 * @param bool $return
 * @param object $jumpurl a moodle_url by which to jump back to the record list (can be null)
 * @return mixed
 */
function data_print_template($template, $records, $data, $search = '', $page = 0, $return = false, moodle_url $jumpurl = null)
{
    global $CFG, $DB, $OUTPUT;
    $cm = get_coursemodule_from_instance('data', $data->id);
    $context = context_module::instance($cm->id);
    static $fields = NULL;
    static $isteacher;
    static $dataid = NULL;
    if (empty($dataid)) {
        $dataid = $data->id;
    } else {
        if ($dataid != $data->id) {
            $fields = NULL;
        }
    }
    if (empty($fields)) {
        $fieldrecords = $DB->get_records('data_fields', array('dataid' => $data->id));
        foreach ($fieldrecords as $fieldrecord) {
            $fields[] = data_get_field($fieldrecord, $data);
        }
        $isteacher = has_capability('mod/data:managetemplates', $context);
    }
    if (empty($records)) {
        return;
    }
    if (!$jumpurl) {
        $jumpurl = new moodle_url('/mod/data/view.php', array('d' => $data->id));
    }
    $jumpurl = new moodle_url($jumpurl, array('page' => $page, 'sesskey' => sesskey()));
    // Check whether this activity is read-only at present
    $readonly = data_in_readonly_period($data);
    foreach ($records as $record) {
        // Might be just one for the single template
        // Replacing tags
        $patterns = array();
        $replacement = array();
        // Then we generate strings to replace for normal tags
        foreach ($fields as $field) {
            $patterns[] = '[[' . $field->field->name . ']]';
            $replacement[] = highlight($search, $field->display_browse_field($record->id, $template));
        }
        $canmanageentries = has_capability('mod/data:manageentries', $context);
        // Replacing special tags (##Edit##, ##Delete##, ##More##)
        $patterns[] = '##edit##';
        $patterns[] = '##delete##';
        if ($canmanageentries || !$readonly && data_isowner($record->id)) {
            $replacement[] = '<a href="' . $CFG->wwwroot . '/mod/data/edit.php?d=' . $data->id . '&amp;rid=' . $record->id . '&amp;sesskey=' . sesskey() . '"><img src="' . $OUTPUT->pix_url('t/edit') . '" class="iconsmall" alt="' . get_string('edit') . '" title="' . get_string('edit') . '" /></a>';
            $replacement[] = '<a href="' . $CFG->wwwroot . '/mod/data/view.php?d=' . $data->id . '&amp;delete=' . $record->id . '&amp;sesskey=' . sesskey() . '"><img src="' . $OUTPUT->pix_url('t/delete') . '" class="iconsmall" alt="' . get_string('delete') . '" title="' . get_string('delete') . '" /></a>';
        } else {
            $replacement[] = '';
            $replacement[] = '';
        }
        $moreurl = $CFG->wwwroot . '/mod/data/view.php?d=' . $data->id . '&amp;rid=' . $record->id;
        if ($search) {
            $moreurl .= '&amp;filter=1';
        }
        $patterns[] = '##more##';
        $replacement[] = '<a href="' . $moreurl . '"><img src="' . $OUTPUT->pix_url('t/preview') . '" class="iconsmall" alt="' . get_string('more', 'data') . '" title="' . get_string('more', 'data') . '" /></a>';
        $patterns[] = '##moreurl##';
        $replacement[] = $moreurl;
        $patterns[] = '##delcheck##';
        if ($canmanageentries) {
            $replacement[] = html_writer::checkbox('delcheck[]', $record->id, false, '', array('class' => 'recordcheckbox'));
        } else {
            $replacement[] = '';
        }
        $patterns[] = '##user##';
        $replacement[] = '<a href="' . $CFG->wwwroot . '/user/view.php?id=' . $record->userid . '&amp;course=' . $data->course . '">' . fullname($record) . '</a>';
        $patterns[] = '##userpicture##';
        $ruser = user_picture::unalias($record, null, 'userid');
        $replacement[] = $OUTPUT->user_picture($ruser, array('courseid' => $data->course));
        $patterns[] = '##export##';
        if (!empty($CFG->enableportfolios) && ($template == 'singletemplate' || $template == 'listtemplate') && (has_capability('mod/data:exportentry', $context) || data_isowner($record->id) && has_capability('mod/data:exportownentry', $context))) {
            require_once $CFG->libdir . '/portfoliolib.php';
            $button = new portfolio_add_button();
            $button->set_callback_options('data_portfolio_caller', array('id' => $cm->id, 'recordid' => $record->id), 'mod_data');
            list($formats, $files) = data_portfolio_caller::formats($fields, $record);
            $button->set_formats($formats);
            $replacement[] = $button->to_html(PORTFOLIO_ADD_ICON_LINK);
        } else {
            $replacement[] = '';
        }
        $patterns[] = '##timeadded##';
        $replacement[] = userdate($record->timecreated);
        $patterns[] = '##timemodified##';
//.........这里部分代码省略.........

/**
 *
 * @global object
 * @global object
 * @global object
 * @param object $course
 * @param object $cm
 * @param object $glossary
 * @param object $entry
 * @param string $mode
 * @param string $hook
 * @param string $type
 * @return string|void
 */
function glossary_print_entry_icons($course, $cm, $glossary, $entry, $mode='',$hook='', $type = 'print') {
    global $USER, $CFG, $DB, $OUTPUT;

    $context = get_context_instance(CONTEXT_MODULE, $cm->id);

    $output = false;   //To decide if we must really return text in "return". Activate when needed only!
    $importedentry = ($entry->sourceglossaryid == $glossary->id);
    $ismainglossary = $glossary->mainglossary;


    $return = '<span class="commands">';
    // Differentiate links for each entry.
    $altsuffix = ': '.strip_tags(format_text($entry->concept));

    if (!$entry->approved) {
        $output = true;
        $return .= get_string('entryishidden','glossary');
    }

    $iscurrentuser = ($entry->userid == $USER->id);

    if (has_capability('mod/glossary:manageentries', $context) or (isloggedin() and has_capability('mod/glossary:write', $context) and $iscurrentuser)) {
        // only teachers can export entries so check it out
        if (has_capability('mod/glossary:export', $context) and !$ismainglossary and !$importedentry) {
            $mainglossary = $DB->get_record('glossary', array('mainglossary'=>1,'course'=>$course->id));
            if ( $mainglossary ) {  // if there is a main glossary defined, allow to export the current entry
                $output = true;
                $return .= ' <a title="'.get_string('exporttomainglossary','glossary') . '" href="exportentry.php?id='.$entry->id.'&amp;prevmode='.$mode.'&amp;hook='.urlencode($hook).'"><img src="'.$OUTPUT->pix_url('export', 'glossary').'" class="iconsmall" alt="'.get_string('exporttomainglossary','glossary').$altsuffix.'" /></a>';
            }
        }

        if ( $entry->sourceglossaryid ) {
            $icon = $OUTPUT->pix_url('minus', 'glossary');   // graphical metaphor (minus) for deleting an imported entry
        } else {
            $icon = $OUTPUT->pix_url('t/delete');
        }

        //Decide if an entry is editable:
        // -It isn't a imported entry (so nobody can edit a imported (from secondary to main) entry)) and
        // -The user is teacher or he is a student with time permissions (edit period or editalways defined).
        $ineditperiod = ((time() - $entry->timecreated <  $CFG->maxeditingtime) || $glossary->editalways);
        if ( !$importedentry and (has_capability('mod/glossary:manageentries', $context) or ($entry->userid == $USER->id and ($ineditperiod and has_capability('mod/glossary:write', $context))))) {
            $output = true;
            $return .= " <a title=\"" . get_string("delete") . "\" href=\"deleteentry.php?id=$cm->id&amp;mode=delete&amp;entry=$entry->id&amp;prevmode=$mode&amp;hook=".urlencode($hook)."\"><img src=\"";
            $return .= $icon;
            $return .= "\" class=\"iconsmall\" alt=\"" . get_string("delete") .$altsuffix."\" /></a> ";

            $return .= " <a title=\"" . get_string("edit") . "\" href=\"edit.php?cmid=$cm->id&amp;id=$entry->id&amp;mode=$mode&amp;hook=".urlencode($hook)."\"><img src=\"" . $OUTPUT->pix_url('t/edit') . "\" class=\"iconsmall\" alt=\"" . get_string("edit") .$altsuffix. "\" /></a>";
        } elseif ( $importedentry ) {
            $return .= " <font size=\"-1\">" . get_string("exportedentry","glossary") . "</font>";
        }
    }
    if (!empty($CFG->enableportfolios) && (has_capability('mod/glossary:exportentry', $context) || ($iscurrentuser && has_capability('mod/glossary:exportownentry', $context)))) {
        require_once($CFG->libdir . '/portfoliolib.php');
        $button = new portfolio_add_button();
        $button->set_callback_options('glossary_entry_portfolio_caller',  array('id' => $cm->id, 'entryid' => $entry->id), '/mod/glossary/locallib.php');

        $filecontext = $context;
        if ($entry->sourceglossaryid == $cm->instance) {
            if ($maincm = get_coursemodule_from_instance('glossary', $entry->glossaryid)) {
                $filecontext = get_context_instance(CONTEXT_MODULE, $maincm->id);
            }
        }
        $fs = get_file_storage();
        if ($files = $fs->get_area_files($filecontext->id, 'mod_glossary', 'attachment', $entry->id, "timemodified", false)) {
            $button->set_formats(PORTFOLIO_FORMAT_RICHHTML);
        } else {
            $button->set_formats(PORTFOLIO_FORMAT_PLAINHTML);
        }

        $return .= $button->to_html(PORTFOLIO_ADD_ICON_LINK);
    }
    $return .= "&nbsp;&nbsp;"; // just to make up a little the output in Mozilla ;)

    $return .= '</span>';

    if (!empty($CFG->usecomments) && has_capability('mod/glossary:comment', $context) and $glossary->allowcomments) {
        require_once($CFG->dirroot . '/comment/lib.php');
        $cmt = new stdClass();
        $cmt->component = 'mod_glossary';
        $cmt->context  = $context;
        $cmt->course   = $course;
        $cmt->cm       = $cm;
        $cmt->area     = 'glossary_entry';
        $cmt->itemid   = $entry->id;
        $cmt->showcount = true;
//.........这里部分代码省略.........

/**
 * Returns attachments as formated text/html optionally with separate images
 *
 * @global object
 * @global object
 * @global object
 * @param object $post
 * @param object $cm
 * @param string $type html/text/separateimages
 * @return mixed string or array of (html text withouth images and image HTML)
 */
function forum_print_attachments($post, $cm, $type)
{
    global $CFG, $DB, $USER, $OUTPUT;
    if (empty($post->attachment)) {
        return $type !== 'separateimages' ? '' : array('', '');
    }
    if (!in_array($type, array('separateimages', 'html', 'text'))) {
        return $type !== 'separateimages' ? '' : array('', '');
    }
    if (!($context = get_context_instance(CONTEXT_MODULE, $cm->id))) {
        return $type !== 'separateimages' ? '' : array('', '');
    }
    $strattachment = get_string('attachment', 'forum');
    $fs = get_file_storage();
    $imagereturn = '';
    $output = '';
    $canexport = has_capability('mod/forum:exportpost', $context) || $post->userid == $USER->id && has_capability('mod/forum:exportownpost', $context);
    require_once $CFG->libdir . '/portfoliolib.php';
    if ($files = $fs->get_area_files($context->id, 'mod_forum', 'attachment', $post->id, "timemodified", false)) {
        $button = new portfolio_add_button();
        foreach ($files as $file) {
            $filename = $file->get_filename();
            $mimetype = $file->get_mimetype();
            $iconimage = '<img src="' . $OUTPUT->pix_url(file_mimetype_icon($mimetype)) . '" class="icon" alt="' . $mimetype . '" />';
            $path = file_encode_url($CFG->wwwroot . '/pluginfile.php', '/' . $context->id . '/mod_forum/attachment/' . $post->id . '/' . $filename);
            if ($type == 'html') {
                $output .= "<a href=\"{$path}\">{$iconimage}</a> ";
                $output .= "<a href=\"{$path}\">" . s($filename) . "</a>";
                if ($canexport) {
                    $button->set_callback_options('forum_portfolio_caller', array('postid' => $post->id, 'attachment' => $file->get_id()), '/mod/forum/locallib.php');
                    $button->set_format_by_file($file);
                    $output .= $button->to_html(PORTFOLIO_ADD_ICON_LINK);
                }
                $output .= "<br />";
            } else {
                if ($type == 'text') {
                    $output .= "{$strattachment} " . s($filename) . ":\n{$path}\n";
                } else {
                    //'returnimages'
                    if (in_array($mimetype, array('image/gif', 'image/jpeg', 'image/png'))) {
                        // Image attachments don't get printed as links
                        $imagereturn .= "<br /><img src=\"{$path}\" alt=\"\" />";
                        if ($canexport) {
                            $button->set_callback_options('forum_portfolio_caller', array('postid' => $post->id, 'attachment' => $file->get_id()), '/mod/forum/locallib.php');
                            $button->set_format_by_file($file);
                            $imagereturn .= $button->to_html(PORTFOLIO_ADD_ICON_LINK);
                        }
                    } else {
                        $output .= "<a href=\"{$path}\">{$iconimage}</a> ";
                        $output .= format_text("<a href=\"{$path}\">" . s($filename) . "</a>", FORMAT_HTML, array('context' => $context));
                        if ($canexport) {
                            $button->set_callback_options('forum_portfolio_caller', array('postid' => $post->id, 'attachment' => $file->get_id()), '/mod/forum/locallib.php');
                            $button->set_format_by_file($file);
                            $output .= $button->to_html(PORTFOLIO_ADD_ICON_LINK);
                        }
                        $output .= '<br />';
                    }
                }
            }
        }
    }
    if ($type !== 'separateimages') {
        return $output;
    } else {
        return array($output, $imagereturn);
    }
}

/**
 * Returns attachments as formated text/html optionally with separate images
 *
 * @global object
 * @global object
 * @global object
 * @param object $post
 * @param object $cm
 * @param string $type html/text/separateimages
 * @return mixed string or array of (html text withouth images and image HTML)
 */
function quora_print_attachments($post, $cm, $type)
{
    global $CFG, $DB, $USER, $OUTPUT;
    if (empty($post->attachment)) {
        return $type !== 'separateimages' ? '' : array('', '');
    }
    if (!in_array($type, array('separateimages', 'html', 'text'))) {
        return $type !== 'separateimages' ? '' : array('', '');
    }
    if (!($context = context_module::instance($cm->id))) {
        return $type !== 'separateimages' ? '' : array('', '');
    }
    $strattachment = get_string('attachment', 'quora');
    $fs = get_file_storage();
    $imagereturn = '';
    $output = '';
    $canexport = !empty($CFG->enableportfolios) && (has_capability('mod/quora:exportpost', $context) || $post->userid == $USER->id && has_capability('mod/quora:exportownpost', $context));
    if ($canexport) {
        require_once $CFG->libdir . '/portfoliolib.php';
    }
    // We retrieve all files according to the time that they were created.  In the case that several files were uploaded
    // at the sametime (e.g. in the case of drag/drop upload) we revert to using the filename.
    $files = $fs->get_area_files($context->id, 'mod_quora', 'attachment', $post->id, "filename", false);
    if ($files) {
        if ($canexport) {
            $button = new portfolio_add_button();
        }
        foreach ($files as $file) {
            $filename = $file->get_filename();
            $mimetype = $file->get_mimetype();
            $iconimage = $OUTPUT->pix_icon(file_file_icon($file), get_mimetype_description($file), 'moodle', array('class' => 'icon'));
            $path = file_encode_url($CFG->wwwroot . '/pluginfile.php', '/' . $context->id . '/mod_quora/attachment/' . $post->id . '/' . $filename);
            if ($type == 'html') {
                $output .= "<a href=\"{$path}\">{$iconimage}</a> ";
                $output .= "<a href=\"{$path}\">" . s($filename) . "</a>";
                if ($canexport) {
                    $button->set_callback_options('quora_portfolio_caller', array('postid' => $post->id, 'attachment' => $file->get_id()), 'mod_quora');
                    $button->set_format_by_file($file);
                    $output .= $button->to_html(PORTFOLIO_ADD_ICON_LINK);
                }
                $output .= "<br />";
            } else {
                if ($type == 'text') {
                    $output .= "{$strattachment} " . s($filename) . ":\n{$path}\n";
                } else {
                    //'returnimages'
                    if (in_array($mimetype, array('image/gif', 'image/jpeg', 'image/png'))) {
                        // Image attachments don't get printed as links
                        $imagereturn .= "<br /><img src=\"{$path}\" alt=\"\" />";
                        if ($canexport) {
                            $button->set_callback_options('quora_portfolio_caller', array('postid' => $post->id, 'attachment' => $file->get_id()), 'mod_quora');
                            $button->set_format_by_file($file);
                            $imagereturn .= $button->to_html(PORTFOLIO_ADD_ICON_LINK);
                        }
                    } else {
                        $output .= "<a href=\"{$path}\">{$iconimage}</a> ";
                        $output .= format_text("<a href=\"{$path}\">" . s($filename) . "</a>", FORMAT_HTML, array('context' => $context));
                        if ($canexport) {
                            $button->set_callback_options('quora_portfolio_caller', array('postid' => $post->id, 'attachment' => $file->get_id()), 'mod_quora');
                            $button->set_format_by_file($file);
                            $output .= $button->to_html(PORTFOLIO_ADD_ICON_LINK);
                        }
                        $output .= '<br />';
                    }
                }
            }
            if (!empty($CFG->enableplagiarism)) {
                require_once $CFG->libdir . '/plagiarismlib.php';
                $output .= plagiarism_get_links(array('userid' => $post->userid, 'file' => $file, 'cmid' => $cm->id, 'course' => $cm->course, 'quora' => $cm->instance));
                $output .= '<br />';
            }
        }
    }
    if ($type !== 'separateimages') {
        return $output;
    } else {
        return array($output, $imagereturn);
    }
}

 function view()
 {
     global $USER;
     $edit = optional_param('edit', 0, PARAM_BOOL);
     $saved = optional_param('saved', 0, PARAM_BOOL);
     $context = get_context_instance(CONTEXT_MODULE, $this->cm->id);
     require_capability('mod/assignment:view', $context);
     $submission = $this->get_submission();
     //Guest can not submit nor edit an assignment (bug: 4604)
     if (!has_capability('mod/assignment:submit', $context)) {
         $editable = null;
     } else {
         $editable = $this->isopen() && (!$submission || $this->assignment->resubmit || !$submission->timemarked);
     }
     $editmode = ($editable and $edit);
     if ($editmode) {
         //guest can not edit or submit assignment
         if (!has_capability('mod/assignment:submit', $context)) {
             print_error('guestnosubmit', 'assignment');
         }
     }
     add_to_log($this->course->id, "assignment", "view", "view.php?id={$this->cm->id}", $this->assignment->id, $this->cm->id);
     /// prepare form and process submitted data
     $mform = new mod_assignment_online_edit_form();
     $defaults = new object();
     $defaults->id = $this->cm->id;
     if (!empty($submission)) {
         if ($this->usehtmleditor) {
             $options = new object();
             $options->smiley = false;
             $options->filter = false;
             $defaults->text = format_text($submission->data1, $submission->data2, $options);
             $defaults->format = FORMAT_HTML;
         } else {
             $defaults->text = $submission->data1;
             $defaults->format = $submission->data2;
         }
     }
     $mform->set_data($defaults);
     if ($mform->is_cancelled()) {
         redirect('view.php?id=' . $this->cm->id);
     }
     if ($data = $mform->get_data()) {
         // No incoming data?
         if ($editable && $this->update_submission($data)) {
             //TODO fix log actions - needs db upgrade
             $submission = $this->get_submission();
             add_to_log($this->course->id, 'assignment', 'upload', 'view.php?a=' . $this->assignment->id, $this->assignment->id, $this->cm->id);
             $this->email_teachers($submission);
             //redirect to get updated submission date and word count
             redirect('view.php?id=' . $this->cm->id . '&saved=1');
         } else {
             // TODO: add better error message
             notify(get_string("error"));
             //submitting not allowed!
         }
     }
     /// print header, etc. and display form if needed
     if ($editmode) {
         $this->view_header(get_string('editmysubmission', 'assignment'));
     } else {
         $this->view_header();
     }
     $this->view_intro();
     $this->view_dates();
     if ($saved) {
         notify(get_string('submissionsaved', 'assignment'), 'notifysuccess');
     }
     if (has_capability('mod/assignment:submit', $context)) {
         if ($editmode) {
             print_box_start('generalbox', 'online');
             $mform->display();
         } else {
             print_box_start('generalbox boxwidthwide boxaligncenter', 'online');
             if ($submission && has_capability('mod/assignment:exportownsubmission', $this->context)) {
                 echo format_text($submission->data1, $submission->data2);
                 $button = new portfolio_add_button();
                 $button->set_callback_options('assignment_portfolio_caller', array('id' => $this->cm->id), '/mod/assignment/lib.php');
                 $button->render();
             } else {
                 if (!has_capability('mod/assignment:submit', $context)) {
                     //fix for #4604
                     echo '<div style="text-align:center">' . get_string('guestnosubmit', 'assignment') . '</div>';
                 } else {
                     if ($this->isopen()) {
                         //fix for #4206
                         echo '<div style="text-align:center">' . get_string('emptysubmission', 'assignment') . '</div>';
                     }
                 }
             }
         }
         print_box_end();
         if (!$editmode && $editable) {
             echo "<div style='text-align:center'>";
             print_single_button('view.php', array('id' => $this->cm->id, 'edit' => '1'), get_string('editmysubmission', 'assignment'));
             echo "</div>";
         }
     }
     $this->view_feedback();
     $this->view_footer();
//.........这里部分代码省略.........

        if ($canoverride) {
            $displayassessment->add_action($workshop->assess_url($assessment->id), get_string('assessmentsettings', 'workshop'));
        }
        echo $output->render($displayassessment);
        if ($workshop->phase == workshop::PHASE_CLOSED and has_capability('mod/workshop:viewallassessments', $workshop->context)) {
            if (strlen(trim($assessment->feedbackreviewer)) > 0) {
                echo $output->render(new workshop_feedback_reviewer($assessment));
            }
        }
    }
}
if (!$edit and $canoverride) {
    // display a form to override the submission grade
    $feedbackform->display();
}
// If portfolios are enabled and we are not on the edit/removal confirmation screen, display a button to export this page.
// The export is not offered if the submission is seen as a published one (it has no relation to the current user.
if (!empty($CFG->enableportfolios)) {
    if (!$delete and !$edit and !$seenaspublished and $submission->id and ($ownsubmission or $canviewall or $isreviewer)) {
        if (has_capability('mod/workshop:exportsubmissions', $workshop->context)) {
            require_once $CFG->libdir . '/portfoliolib.php';
            $button = new portfolio_add_button();
            $button->set_callback_options('mod_workshop_portfolio_caller', array('id' => $workshop->cm->id, 'submissionid' => $submission->id), 'mod_workshop');
            $button->set_formats(PORTFOLIO_FORMAT_RICHHTML);
            echo html_writer::start_tag('div', array('class' => 'singlebutton'));
            echo $button->to_html(PORTFOLIO_ADD_FULL_FORM, get_string('exportsubmission', 'workshop'));
            echo html_writer::end_tag('div');
        }
    }
}
echo $output->footer();

 public static function add_button($resource, $format = null, $return = false)
 {
     if (!has_capability('mod/resource:exportresource', get_context_instance(CONTEXT_MODULE, $resource->cm->id))) {
         return;
     }
     if (!is_callable(array($resource, 'portfolio_prepare_package')) || !is_callable(array($resource, 'portfolio_get_sha1'))) {
         debugging(get_string('portfolionotimplemented', 'resource'));
         return false;
     }
     $callersupports = array(self::type_to_format($resource->resource->type));
     if ($resource->resource->type == 'file') {
         // $callersupports = array(portfolio_format_from_file($file);
     }
     $button = new portfolio_add_button();
     $button->set_callback_options('resource_portfolio_caller', array('id' => $resource->cm->instance), '/mod/resource/lib.php');
     $button->set_formats($callersupports);
     if ($return) {
         return $button->to_html($format);
     }
     $button->render($format);
 }

//.........这里部分代码省略.........
                 $taglinktext .= ',';
             }
             if (!$forexport && !$email) {
                 $output .= html_writer::tag('a', $taglinktext, array('href' => $baseurl . '&tag=' . urlencode($taglink))) . ' ';
             } else {
                 $output .= $taglinktext . ' ';
             }
             $tagcounter++;
         }
         $output .= html_writer::end_tag('div');
     }
     $output .= html_writer::start_tag('div', array('class' => 'oublog-post-links'));
     if (!$forexport && !$email) {
         $output .= html_writer::tag('a', $strpermalink, array('href' => $CFG->wwwroot . '/mod/oublog/viewpost.php?post=' . $post->id)) . ' ';
     }
     if (!$post->deletedby) {
         if ($post->userid == $USER->id || $canmanageposts) {
             if (!$forexport && !$email) {
                 $output .= html_writer::tag('a', $stredit, array('href' => $CFG->wwwroot . '/mod/oublog/editpost.php?blog=' . $post->oublogid . '&post=' . $post->id)) . ' ';
                 if ($post->userid !== $USER->id) {
                     // Add email and 'oublog_deleteandemail' to delete link.
                     $output .= html_writer::tag('a', $strdelete, array('href' => $CFG->wwwroot . '/mod/oublog/deletepost.php?blog=' . $post->oublogid . '&post=' . $post->id . '&delete=1', 'class' => 'oublog_deleteandemail_' . $post->id));
                     self::render_oublog_print_delete_dialog($cm->id, $post->id);
                 } else {
                     $output .= html_writer::tag('a', $strdelete, array('href' => $CFG->wwwroot . '/mod/oublog/deletepost.php?blog=' . $post->oublogid . '&post=' . $post->id . '&delete=1'));
                 }
             }
         }
         // Show portfolio export link.
         if (!empty($CFG->enableportfolios) && (has_capability('mod/oublog:exportpost', $modcontext) || $post->userid == $USER->id && has_capability('mod/oublog:exportownpost', $modcontext))) {
             if (!$forexport && !$email) {
                 require_once $CFG->libdir . '/portfoliolib.php';
                 $button = new portfolio_add_button();
                 $button->set_callback_options('oublog_portfolio_caller', array('postid' => $post->id), 'mod_oublog');
                 if (empty($files)) {
                     $button->set_formats(PORTFOLIO_FORMAT_PLAINHTML);
                 } else {
                     $button->set_formats(PORTFOLIO_FORMAT_RICHHTML);
                 }
                 $output .= $button->to_html(PORTFOLIO_ADD_TEXT_LINK) . ' ';
             }
         }
         // Show OU Alerts reporting link.
         if (isloggedin() && oublog_oualerts_enabled() && oublog_get_reportingemail($oublog) && !($post->userid == $USER->id) && !$post->deletedby) {
             $itemnurl = new moodle_url('/mod/oublog/viewpost.php', array('post' => $post->id));
             $reportlink = oualerts_generate_alert_form_url('oublog', $modcontext->id, 'post', $post->id, $itemnurl, $itemnurl, '', false, true);
             if ($reportlink != '' && !$forexport && !$email) {
                 $output .= html_writer::tag('a', get_string('postalert', 'oublog'), array('href' => $reportlink));
             }
         }
         // Show comments.
         if ($post->allowcomments) {
             // If this is the current user's post, show pending comments too.
             $showpendingcomments = $post->userid == $USER->id && !empty($post->pendingcomments);
             if ((isset($post->comments) || $showpendingcomments) && $commentcount) {
                 // Show number of comments.
                 if (isset($post->comments)) {
                     $linktext = get_string(count($post->comments) == 1 ? 'onecomment' : 'ncomments', 'oublog', count($post->comments));
                 }
                 // Show number of pending comments.
                 if (isset($post->pendingcomments)) {
                     // Use different string if we already have normal comments too.
                     if (isset($post->comments)) {
                         $linktext .= get_string($post->pendingcomments == 1 ? 'onependingafter' : 'npendingafter', 'oublog', $post->pendingcomments);
                     } else {
                         $linktext = get_string($post->pendingcomments == 1 ? 'onepending' : 'npending', 'oublog', $post->pendingcomments);