MDL-40735 mod_lesson: fixed up a header and stripped out hardcoded formatting
[moodle.git] / mod / lesson / lesson.php
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472e5662 1<?php
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2
3// This file is part of Moodle - http://moodle.org/
4//
5// Moodle is free software: you can redistribute it and/or modify
6// it under the terms of the GNU General Public License as published by
7// the Free Software Foundation, either version 3 of the License, or
8// (at your option) any later version.
9//
10// Moodle is distributed in the hope that it will be useful,
11// but WITHOUT ANY WARRANTY; without even the implied warranty of
12// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13// GNU General Public License for more details.
14//
15// You should have received a copy of the GNU General Public License
16// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
17
5491947a 18/**
19 * Handles lesson actions
86342d63 20 *
5491947a 21 * ACTIONS handled are:
5491947a 22 * confirmdelete
5491947a 23 * delete
5491947a 24 * move
25 * moveit
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26 * @package mod
27 * @subpackage lesson
0a4abb73 28 * @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com}
cc3dbaaa 29 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
5491947a 30 **/
bbcbc0fe 31
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32require_once("../../config.php");
33require_once($CFG->dirroot.'/mod/lesson/locallib.php');
86342d63 34
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35$id = required_param('id', PARAM_INT); // Course Module ID
36$action = required_param('action', PARAM_ALPHA); // Action
37$pageid = required_param('pageid', PARAM_INT);
86342d63 38
0e35ba6f 39$cm = get_coursemodule_from_id('lesson', $id, 0, false, MUST_EXIST);
74df2951 40$course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
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41$lesson = new lesson($DB->get_record('lesson', array('id' => $cm->instance), '*', MUST_EXIST));
42
0a4abb73 43require_login($course, false, $cm);
bbcbc0fe 44
a6855934 45$url = new moodle_url('/mod/lesson/lesson.php', array('id'=>$id,'action'=>$action));
0a4abb73 46$PAGE->set_url($url);
c6949936 47
5918e371 48$context = context_module::instance($cm->id);
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49require_capability('mod/lesson:edit', $context);
50require_sesskey();
c6949936 51
649cf95d 52$lessonoutput = $PAGE->get_renderer('mod_lesson');
86342d63 53
c5a2e12f 54/// Process the action
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55switch ($action) {
56 case 'confirmdelete':
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57 $PAGE->navbar->add(get_string($action, 'lesson'));
58
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59 $thispage = $lesson->load_page($pageid);
60
d42bc7dc 61 echo $lessonoutput->header($lesson, $cm, '', false, null, get_string('deletingpage', 'lesson', format_string($thispage->title)));
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62 echo $OUTPUT->heading(get_string("deletingpage", "lesson", format_string($thispage->title)));
63 // print the jumps to this page
64 $params = array("lessonid" => $lesson->id, "pageid" => $pageid);
65 if ($answers = $DB->get_records_select("lesson_answers", "lessonid = :lessonid AND jumpto = :pageid + 1", $params)) {
66 echo $OUTPUT->heading(get_string("thefollowingpagesjumptothispage", "lesson"));
67 echo "<p align=\"center\">\n";
68 foreach ($answers as $answer) {
69 if (!$title = $DB->get_field("lesson_pages", "title", array("id" => $answer->pageid))) {
70 print_error('cannotfindpagetitle', 'lesson');
71 }
72 echo $title."<br />\n";
73 }
74 }
75 echo $OUTPUT->confirm(get_string("confirmdeletionofthispage","lesson"),"lesson.php?action=delete&id=$cm->id&pageid=$pageid","view.php?id=$cm->id");
76
77 break;
78 case 'move':
6524006b 79 $PAGE->navbar->add(get_string($action, 'lesson'));
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80
81 $title = $DB->get_field("lesson_pages", "title", array("id" => $pageid));
82
d42bc7dc 83 echo $lessonoutput->header($lesson, $cm, '', false, null, get_string('moving', 'lesson', format_String($title)));
974beea1 84 echo $OUTPUT->heading(get_string("moving", "lesson", format_string($title)), 3);
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85
86 $params = array ("lessonid" => $lesson->id, "prevpageid" => 0);
87 if (!$page = $DB->get_record_select("lesson_pages", "lessonid = :lessonid AND prevpageid = :prevpageid", $params)) {
88 print_error('cannotfindfirstpage', 'lesson');
89 }
90
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91 echo html_writer::start_tag('div', array('class' => 'move-page'));
92
93 echo html_writer::start_tag('div', array('class' => 'available-position'));
94 $moveurl = "lesson.php?id=$cm->id&sesskey=".sesskey()."&action=moveit&pageid=$pageid&after=0";
95 echo html_writer::link($moveurl, get_string("movepagehere", "lesson"));
96 echo html_writer::end_tag('div');
97
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98 while (true) {
99 if ($page->id != $pageid) {
100 if (!$title = trim(format_string($page->title))) {
101 $title = "<< ".get_string("notitle", "lesson")." >>";
102 }
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103 echo html_writer::tag('div', $title, array('class' => 'page'));
104
105 echo html_writer::start_tag('div', array('class' => 'available-position'));
106 $moveurl = "lesson.php?id=$cm->id&sesskey=".sesskey()."&action=moveit&pageid=$pageid&after={$page->id}";
107 echo html_writer::link($moveurl, get_string("movepagehere", "lesson"));
108 echo html_writer::end_tag('div');
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109 }
110 if ($page->nextpageid) {
111 if (!$page = $DB->get_record("lesson_pages", array("id" => $page->nextpageid))) {
112 print_error('cannotfindnextpage', 'lesson');
113 }
114 } else {
115 // last page reached
116 break;
117 }
118 }
974beea1 119 echo html_writer::end_tag('div');
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120
121 break;
122 case 'delete':
123 $thispage = $lesson->load_page($pageid);
124 $thispage->delete();
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125 redirect("$CFG->wwwroot/mod/lesson/edit.php?id=$cm->id");
126 break;
127 case 'moveit':
128 $after = (int)required_param('after', PARAM_INT); // target page
129
130 $pages = $lesson->load_all_pages();
131
132 if (!array_key_exists($pageid, $pages) || ($after!=0 && !array_key_exists($after, $pages))) {
d16d35dc 133 print_error('cannotfindpages', 'lesson', "$CFG->wwwroot/mod/lesson/edit.php?id=$cm->id");
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134 }
135 $pagetomove = clone($pages[$pageid]);
136 unset($pages[$pageid]);
137
138 $pageids = array();
139 if ($after === 0) {
140 $pageids['p0'] = $pageid;
141 }
142 foreach ($pages as $page) {
143 $pageids[] = $page->id;
144 if ($page->id == $after) {
145 $pageids[] = $pageid;
146 }
147 }
148
149 $pageidsref = $pageids;
150 reset($pageidsref);
151 $prev = 0;
152 $next = next($pageidsref);
153 foreach ($pageids as $pid) {
154 if ($pid === $pageid) {
155 $page = $pagetomove;
156 } else {
157 $page = $pages[$pid];
158 }
159 if ($page->prevpageid != $prev || $page->nextpageid != $next) {
160 $page->move($next, $prev);
161 }
162 $prev = $page->id;
163 $next = next($pageidsref);
164 if (!$next) {
165 $next = 0;
166 }
167 }
86342d63 168
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169 redirect("$CFG->wwwroot/mod/lesson/edit.php?id=$cm->id");
170 break;
171 default:
172 print_error('unknowaction');
173 break;
174}
86342d63 175
0e35ba6f 176echo $lessonoutput->footer();