view.php 7.91 KB
Newer Older
1
<?PHP // $Id: view.php,v 1.3 2007/05/20 06:00:29 skodak Exp $
Petr Skoda's avatar
Petr Skoda committed
2
3
4
5
6
7
8
9
10
11
12

require_once('../../config.php');
require_once('lib.php');

$id        = required_param('id', PARAM_INT);           // Course Module ID
$chapterid = optional_param('chapterid', 0, PARAM_INT); // Chapter ID
$edit      = optional_param('edit', -1, PARAM_BOOL);     // Edit mode

// =========================================================================
// security checks START - teachers edit; students view
// =========================================================================
13
14
if (!$cm = get_coursemodule_from_id('book', $id)) {
    error('Course Module ID was incorrect');
Petr Skoda's avatar
Petr Skoda committed
15
16
17
18
19
20
21
22
23
24
}

if (!$course = get_record('course', 'id', $cm->course)) {
    error('Course is misconfigured');
}

if (!$book = get_record('book', 'id', $cm->instance)) {
    error('Course module is incorrect');
}

25
26
27
28
29
30
31
require_course_login($course, true, $cm);

$context = get_context_instance(CONTEXT_MODULE, $cm->id);
$allowedit = has_capability('moodle/course:manageactivities', $context);

if ($allowedit) {
    if ($edit != -1) {
Petr Skoda's avatar
Petr Skoda committed
32
33
34
35
36
37
38
39
40
41
42
43
44
        $USER->editing = $edit;
    } else {
        if (isset($USER->editing)) {
            $edit = $USER->editing;
        } else {
            $edit = 0;
        }
    }
} else {
    $edit = 0;
}

/// read chapters
45
$select = $allowedit ? "bookid = $book->id" : "bookid = $book->id AND hidden = 0";
Petr Skoda's avatar
Petr Skoda committed
46
47
48
$chapters = get_records_select('book_chapters', $select, 'pagenum', 'id, pagenum, subchapter, title, hidden');

if (!$chapters) {
49
    if ($allowedit) {
Petr Skoda's avatar
Petr Skoda committed
50
51
52
53
54
55
56
57
58
        redirect('edit.php?id='.$cm->id); //no chapters - add new one
        die;
    } else {
        error('Error reading book chapters.');
    }
}
/// check chapterid and read chapter data
if ($chapterid == '0') { // go to first chapter if no given
    foreach($chapters as $ch) {
59
        if ($allowedit) {
Petr Skoda's avatar
Petr Skoda committed
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
            $chapterid = $ch->id;
            break;
        }
        if (!$ch->hidden) {
            $chapterid = $ch->id;
            break;
        }
    }
}


if (!$chapter = get_record('book_chapters', 'id', $chapterid)) {
    error('Error reading book chapters.');
}

//check all variables
unset($id);
unset($chapterid);

/// chapter is hidden for students
80
if (!$allowedit and $chapter->hidden) {
Petr Skoda's avatar
Petr Skoda committed
81
82
83
84
85
86
87
88
89
90
91
    error('Error reading book chapters.');
}

/// chapter not part of this book!
if ($chapter->bookid != $book->id) {
    error('Chapter not part of this book!');
}
// =========================================================================
// security checks  END
// =========================================================================

92
add_to_log($course->id, 'book', 'view', 'view.php?id='.$cm->id.'&amp;chapterid='.$chapter->id, $book->id, $cm->id);
Petr Skoda's avatar
Petr Skoda committed
93
94
95
96
97
98
99
100
101
102
103
104
105
106


///read standard strings
$strbooks = get_string('modulenameplural', 'book');
$strbook  = get_string('modulename', 'book');
$strTOC = get_string('TOC', 'book');

/// prepare header
if ($course->category) {
    $navigation = '<a href="../../course/view.php?id='.$course->id.'">'.$course->shortname.'</a> ->';
} else {
    $navigation = '';
}

107
$buttons = $allowedit ? '<table cellspacing="0" cellpadding="0"><tr><td>'.update_module_button($cm->id, $course->id, $strbook).'</td>'.
Petr Skoda's avatar
Petr Skoda committed
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
           '<td>&nbsp;</td><td>'.book_edit_button($cm->id, $course->id, $chapter->id).'</td></tr></table>'
           : '&nbsp;';

print_header( "$course->shortname: $book->name ($chapter->title)",
              $course->fullname,
              "$navigation <a href=\"index.php?id=$course->id\">$strbooks</a> -> $book->name",
              '',
              '<style type="text/css">@import url('.$CFG->wwwroot.'/mod/book/book_theme.css);</style>',
              true,
              $buttons,
              navmenu($course, $cm)
            );


/// prepare chapter navigation icons
$previd = null;
$nextid = null;
$found = 0;
foreach ($chapters as $ch) {
    if ($found) {
        $nextid= $ch->id;
        break;
    }
    if ($ch->id == $chapter->id) {
        $found = 1;
    }
    if (!$found) {
        $previd = $ch->id;
    }
}
if ($ch == current($chapters)) {
    $nextid = $ch->id;
}
$chnavigation = '';
if ($previd) {
143
    $chnavigation .= '<a title="'.get_string('navprev', 'book').'" href="view.php?id='.$cm->id.'&amp;chapterid='.$previd.'"><img src="pix/nav_prev.gif" class="bigicon" alt="'.get_string('navprev', 'book').'"/></a>';
Petr Skoda's avatar
Petr Skoda committed
144
} else {
145
    $chnavigation .= '<img src="pix/nav_prev_dis.gif" class="bigicon" alt="" />';
Petr Skoda's avatar
Petr Skoda committed
146
147
}
if ($nextid) {
148
    $chnavigation .= '<a title="'.get_string('navnext', 'book').'" href="view.php?id='.$cm->id.'&amp;chapterid='.$nextid.'"><img src="pix/nav_next.gif" class="bigicon" alt="'.get_string('navnext', 'book').'" /></a>';
Petr Skoda's avatar
Petr Skoda committed
149
150
151
152
153
} else {
    $sec = '';
    if ($section = get_record('course_sections', 'id', $cm->section)) {
        $sec = $section->section;
    }
154
    $chnavigation .= '<a title="'.get_string('navexit', 'book').'" href="../../course/view.php?id='.$course->id.'#section-'.$sec.'"><img src="pix/nav_exit.gif" class="bigicon" alt="'.get_string('navexit', 'book').'" /></a>';
Petr Skoda's avatar
Petr Skoda committed
155
156
157
158
159
160
161
}

/// prepare print icons
if ($book->disableprinting) {
    $printbook = '';
    $printchapter = '';
} else {
162
163
    $printbook = '<a title="'.get_string('printbook', 'book').'" href="print.php?id='.$cm->id.'" onclick="this.target=\'_blank\'"><img src="pix/print_book.gif" class="bigicon" alt="'.get_string('printbook', 'book').'"/></a>';
    $printchapter = '<a title="'.get_string('printchapter', 'book').'" href="print.php?id='.$cm->id.'&amp;chapterid='.$chapter->id.'" onclick="this.target=\'_blank\'"><img src="pix/print_chapter.gif" class="bigicon" alt="'.get_string('printchapter', 'book').'"/></a>';
Petr Skoda's avatar
Petr Skoda committed
164
165
166
167
168
169
170
171
172
173
174
}

// prepare $toc and $currtitle, $currsubtitle
require('toc.php');

if ($edit) {
    $tocwidth = $CFG->book_tocwidth + 80;
} else {
    $tocwidth = $CFG->book_tocwidth;
}

175
176
$doimport = ($allowedit and $edit) ? '<a href="import.php?id='.$cm->id.'">'.get_string('doimport', 'book').'</a>' : '';
$doexport = ($allowedit and $edit) ? '<a href="generateimscp.php?id='.$cm->id.'">'.get_string('doexport', 'book').'</a>' : '';
Petr Skoda's avatar
Petr Skoda committed
177
178
179
180
181
182
183
184
185
186
187
188


// =====================================================
// Book display HTML code
// =====================================================

?>
<table border="0" cellspacing="0" width="100%" valign="top" cellpadding="2">

<!-- subchapter title and upper navigation row //-->
<tr>
    <td width="<?php echo $tocwidth ?>" valign="bottom">
189
190
191
192
193
194
        <?php
        print_string('toc', 'book');
        if (!empty($doimport)) {
            echo "<br/>($doimport, $doexport)";
        }
        ?>
Petr Skoda's avatar
Petr Skoda committed
195
196
197
198
    </td>
    <td valign="top">
        <table border="0" cellspacing="0" width="100%" valign="top" cellpadding="0">
        <tr>
199
            <td nowrap align="left"><?php echo $printbook.$printchapter ?></td>
Petr Skoda's avatar
Petr Skoda committed
200
201
202
203
204
205
206
207
208
209
            <td nowrap align="right"><?php echo $chnavigation ?></td>
        </tr>
        </table>
    </td>
</tr>

<!-- toc and chapter row //-->
<tr>
    <td width="<?php echo $tocwidth ?>" valign="top" align="left">
        <?php
210
        print_box_start('generalbox');
Petr Skoda's avatar
Petr Skoda committed
211
        echo $toc;
212
213
        print_box_end();
        if ($allowedit and $edit) {
Petr Skoda's avatar
Petr Skoda committed
214
215
216
217
218
219
220
221
            echo '<font size="1"><br />';
            helpbutton('faq', get_string('faq','book'), 'book', true, true);
            echo '</font>';
        }
        ?>
    </td>
    <td valign="top" align="right">
        <?php
222
        print_box_start('generalbox');
Petr Skoda's avatar
Petr Skoda committed
223
224
225
        $content = '';
        if (!$book->customtitles) {
          if ($currsubtitle == '&nbsp;') {
226
              $content .= '<p class="book_chapter_title">'.$currtitle.'</p>';
Petr Skoda's avatar
Petr Skoda committed
227
228
229
230
231
232
233
234
235
236
237
          } else {
              $content .= '<p class="book_chapter_title">'.$currtitle.'<br />'.$currsubtitle.'</p>';
          }
        }
        $content .= $chapter->content;

        $nocleanoption = new object();
        $nocleanoption->noclean = true;
        echo '<div class="book_content">';
        echo format_text($content, FORMAT_HTML, $nocleanoption, $course->id);
        echo '</div>';
238
        print_box_end();
Petr Skoda's avatar
Petr Skoda committed
239
        /// lower navigation
240
        echo '<p>'.$chnavigation.'</p>';
Petr Skoda's avatar
Petr Skoda committed
241
242
243
244
245
246
247
248
249
        ?>
    </td>
</tr>
</table>

<?php
print_footer($course);

?>