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编辑当前文件:/home2/sdektunc/public_html/cepali/blog/edit.php

<?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/>.

/**
 * Blog entry edit page
 *
 * @package    moodlecore
 * @subpackage blog
 * @copyright  2009 Nicolas Connault
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
require_once(__DIR__ . '/../config.php');
require_once($CFG->dirroot . '/blog/lib.php');
require_once($CFG->dirroot . '/blog/locallib.php');
require_once($CFG->dirroot . '/comment/lib.php');
require_once($CFG->dirroot . '/blog/edit_form.php');

$action   = required_param('action', PARAM_ALPHA);
$id       = optional_param('entryid', 0, PARAM_INT);
$confirm  = optional_param('confirm', 0, PARAM_BOOL);
$modid = optional_param('modid', 0, PARAM_INT); // To associate the entry with a module instance.
$courseid = optional_param('courseid', 0, PARAM_INT); // To associate the entry with a course.

if ($action == 'edit') {
    $id = required_param('entryid', PARAM_INT);
}

$PAGE->set_url('/blog/edit.php', array('action' => $action,
                                       'entryid' => $id,
                                       'confirm' => $confirm,
                                       'modid' => $modid,
                                       'courseid' => $courseid));

// If action is add, we ignore $id to avoid any further problems.
if (!empty($id) && $action == 'add') {
    $id = null;
}

$entry = new stdClass();
$entry->id = null;

if ($id) {
    if (!$entry = new blog_entry($id)) {
        print_error('wrongentryid', 'blog');
    }
    $userid = $entry->userid;
} else {
    $userid = $USER->id;
}

$sitecontext = context_system::instance();
$usercontext = context_user::instance($userid);
if ($modid) {
    $PAGE->set_context($sitecontext);
} else {
    $PAGE->set_context($usercontext);
    $blognode = $PAGE->settingsnav->find('blogadd', null);
    $blognode->make_active();
}

require_login($courseid);

if (empty($CFG->enableblogs)) {
    print_error('blogdisable', 'blog');
}

if (isguestuser()) {
    print_error('noguest');
}

$returnurl = new moodle_url('/blog/index.php');

if (!empty($courseid) && empty($modid)) {
    $returnurl->param('courseid', $courseid);
}

// If a modid is given, guess courseid.
if (!empty($modid)) {
    $returnurl->param('modid', $modid);
    $courseid = $DB->get_field('course_modules', 'course', array('id' => $modid));
    $returnurl->param('courseid', $courseid);
}

$blogheaders = blog_get_headers();

if (!has_capability('moodle/blog:create', $sitecontext) && !has_capability('moodle/blog:manageentries', $sitecontext)) {
    print_error('cannoteditentryorblog');
}

// Make sure that the person trying to edit has access right.
if ($id) {
    if (!blog_user_can_edit_entry($entry)) {
        print_error('notallowedtoedit', 'blog');
    }
    $entry->subject      = clean_text($entry->subject);
    $entry->summary      = clean_text($entry->summary, $entry->format);
} else {
    if (!has_capability('moodle/blog:create', $sitecontext)) {
        print_error('noentry', 'blog'); // The capability "manageentries" is not enough for adding.
    }
}
$returnurl->param('userid', $userid);

// Blog renderer.
$output = $PAGE->get_renderer('blog');

$strblogs = get_string('blogs', 'blog');

if ($action === 'delete') {
    // Init comment JS strings.
    comment::init();

if (empty($entry->id)) {
        print_error('wrongentryid', 'blog');
    }
    if (data_submitted() && $confirm && confirm_sesskey()) {
        // Make sure the current user is the author of the blog entry, or has some deleteanyentry capability.
        if (!blog_user_can_edit_entry($entry)) {
            print_error('nopermissionstodeleteentry', 'blog');
        } else {
            $entry->delete();
            blog_rss_delete_file($userid);
            redirect($returnurl);
        }
    } else if (blog_user_can_edit_entry($entry)) {
        $optionsyes = array('entryid' => $id,
                            'action' => 'delete',
                            'confirm' => 1,
                            'sesskey' => sesskey(),
                            'courseid' => $courseid);
        $optionsno = array('userid' => $entry->userid, 'courseid' => $courseid);
        $PAGE->set_title("$SITE->shortname: $strblogs");
        $PAGE->set_heading($SITE->fullname);
        echo $OUTPUT->header();

// Output edit mode title.
        echo $OUTPUT->heading($strblogs . ': ' . get_string('deleteentry', 'blog'), 2);

echo $OUTPUT->confirm(get_string('blogdeleteconfirm', 'blog', format_string($entry->subject)),
                              new moodle_url('edit.php', $optionsyes),
                              new moodle_url('index.php', $optionsno));

echo '<br />';
        // Output the entry.
        $entry->prepare_render();
        echo $output->render($entry);

echo $OUTPUT->footer();
        die;
    }
} else if ($action == 'add') {
    $editmodetitle = $strblogs . ': ' . get_string('addnewentry', 'blog');
    $PAGE->set_title("$SITE->shortname: $editmodetitle");
    $PAGE->set_heading(fullname($USER));
} else if ($action == 'edit') {
    $editmodetitle = $strblogs . ': ' . get_string('editentry', 'blog');
    $PAGE->set_title("$SITE->shortname: $editmodetitle");
    $PAGE->set_heading(fullname($USER));
}

if (!empty($entry->id)) {
    if ($CFG->useblogassociations && ($blogassociations = $DB->get_records('blog_association', array('blogid' => $entry->id)))) {

foreach ($blogassociations as $assocrec) {
            $context = context::instance_by_id($assocrec->contextid);

switch ($context->contextlevel) {
                case CONTEXT_COURSE:
                    $entry->courseassoc = $assocrec->contextid;
                    break;
                case CONTEXT_MODULE:
                    $entry->modassoc = $assocrec->contextid;
                    break;
            }
        }
    }
}

$summaryoptions = array('maxfiles' => 99, 'maxbytes' => $CFG->maxbytes, 'trusttext' => true, 'context' => $sitecontext,
    'subdirs' => file_area_contains_subdirs($sitecontext, 'blog', 'post', $entry->id));
$attachmentoptions = array('subdirs' => false, 'maxfiles' => 99, 'maxbytes' => $CFG->maxbytes);

$blogeditform = new blog_edit_form(null, compact('entry',
                                                 'summaryoptions',
                                                 'attachmentoptions',
                                                 'sitecontext',
                                                 'courseid',
                                                 'modid'));

$entry = file_prepare_standard_editor($entry, 'summary', $summaryoptions, $sitecontext, 'blog', 'post', $entry->id);
$entry = file_prepare_standard_filemanager($entry,
                                           'attachment',
                                           $attachmentoptions,
                                           $sitecontext,
                                           'blog',
                                           'attachment',
                                           $entry->id);

if (!empty($entry->id)) {
    $entry->tags = core_tag_tag::get_item_tags_array('core', 'post', $entry->id);
}

$entry->action = $action;
// Set defaults.
$blogeditform->set_data($entry);

if ($blogeditform->is_cancelled()) {
    redirect($returnurl);

} else if ($data = $blogeditform->get_data()) {

switch ($action) {
        case 'add':
            $blogentry = new blog_entry(null, $data, $blogeditform);
            $blogentry->add();
            $blogentry->edit($data, $blogeditform, $summaryoptions, $attachmentoptions);
        break;

case 'edit':
            if (empty($entry->id)) {
                print_error('wrongentryid', 'blog');
            }

$entry->edit($data, $blogeditform, $summaryoptions, $attachmentoptions);
        break;

default :
            print_error('invalidaction');
    }

redirect($returnurl);
}

// GUI setup.
switch ($action) {
    case 'add':
        // Prepare new empty form.
        $entry->publishstate = 'site';
        $strformheading = get_string('addnewentry', 'blog');
        $entry->action       = $action;

if ($CFG->useblogassociations) {

// Pre-select the course for associations.
            if ($courseid) {
                $context = context_course::instance($courseid);
                $entry->courseassoc = $context->id;
            }

// Pre-select the mod for associations.
            if ($modid) {
                $context = context_module::instance($modid);
                $entry->modassoc = $context->id;
            }
        }
        break;

case 'edit':
        if (empty($entry->id)) {
            print_error('wrongentryid', 'blog');
        }
        $strformheading = get_string('updateentrywithid', 'blog');

break;

default :
        print_error('unknowaction');
}

$entry->modid = $modid;
$entry->courseid = $courseid;

echo $OUTPUT->header();
// Output title for editing mode.
if (isset($editmodetitle)) {
    echo $OUTPUT->heading($editmodetitle, 2);
}
$blogeditform->display();
echo $OUTPUT->footer();

die;