blog/header.php

   1 <?php //$Id$
   2
   3 /// Sets up blocks and navigation for index.php
   4
   5 require_once($CFG->dirroot .'/blog/lib.php');
   6 require_once($CFG->libdir .'/pagelib.php');
   7 require_once($CFG->dirroot .'/blog/blogpage.php');
   8 require_once($CFG->libdir .'/blocklib.php');
   9 require_once($CFG->dirroot .'/course/lib.php');
  10
  11 if (!empty($THEME->customcorners)) {
  12     require_once($CFG->dirroot.'/lib/custom_corners_lib.php');
  13 }
  14
  15 $blockaction = optional_param('blockaction','', PARAM_ALPHA);
  16 $instanceid  = optional_param('instanceid', 0, PARAM_INT);
  17 $blockid     = optional_param('blockid',    0, PARAM_INT);
  18
  19 /// If user has never visited this page before, install 2 blocks for him
  20 blog_check_and_install_blocks();
  21
  22
  23 if (!$course = get_record('course', 'id', $courseid)) {
  24     error('The course number was incorrect ('. $courseid .')');
  25 }
  26
  27 // Bounds for block widths
  28 // more flexible for theme designers taken from theme config.php
  29 $lmin = (empty($THEME->block_l_min_width)) ? 160 : $THEME->block_l_min_width;
  30 $lmax = (empty($THEME->block_l_max_width)) ? 210 : $THEME->block_l_max_width;
  31 $rmin = (empty($THEME->block_r_min_width)) ? 160 : $THEME->block_r_min_width;
  32 $rmax = (empty($THEME->block_r_max_width)) ? 210 : $THEME->block_r_max_width;
  33
  34 define('BLOCK_L_MIN_WIDTH', $lmin);
  35 define('BLOCK_L_MAX_WIDTH', $lmax);
  36 define('BLOCK_R_MIN_WIDTH', $rmin);
  37 define('BLOCK_R_MAX_WIDTH', $rmax);
  38
  39 //_____________ new page class code ________
  40 $pagetype = PAGE_BLOG_VIEW;
  41 $pageclass = 'page_blog';
  42
  43 // map our page identifier to the actual name
  44 // of the class which will be handling its operations.
  45 page_map_class($pagetype, $pageclass);
  46
  47 // Now, create our page object.
  48 if (empty($USER->id)) {
  49     $PAGE = page_create_object($pagetype);
  50 } else {
  51     $PAGE = page_create_object($pagetype, $USER->id);
  52 }
  53 $PAGE->courseid     = $courseid;
  54 $PAGE->filtertype   = $filtertype;
  55 $PAGE->filterselect = $filterselect;
  56 $PAGE->tagid        = $tagid;
  57
  58 $PAGE->init_full(); //init the BlogInfo object and the courserecord object
  59
  60 $editing = false;
  61 if ($PAGE->user_allowed_editing()) {
  62     $editing = $PAGE->user_is_editing();
  63 }
  64
  65 // Calculate the preferred width for left, right and center (both center positions will use the same)
  66 $preferred_width_left  = bounded_number(BLOCK_L_MIN_WIDTH, blocks_preferred_width($pageblocks[BLOCK_POS_LEFT]),
  67                                         BLOCK_L_MAX_WIDTH);
  68 $preferred_width_right = bounded_number(BLOCK_R_MIN_WIDTH, blocks_preferred_width($pageblocks[BLOCK_POS_RIGHT]),
  69                                         BLOCK_R_MAX_WIDTH);
  70
  71 // Display the blocks and allow blocklib to handle any block action requested
  72 $pageblocks = blocks_get_by_page($PAGE);
  73
  74 if ($editing) {
  75     if (!empty($blockaction) && confirm_sesskey()) {
  76         if (!empty($blockid)) {
  77             blocks_execute_action($PAGE, $pageblocks, strtolower($blockaction), intval($blockid));
  78         } else if (!empty($instanceid)) {
  79             $instance = blocks_find_instance($instanceid, $pageblocks);
  80             blocks_execute_action($PAGE, $pageblocks, strtolower($blockaction), $instance);
  81         }
  82         // This re-query could be eliminated by judicious programming in blocks_execute_action(),
  83         // but I'm not sure if it's worth the complexity increase...
  84         $pageblocks = blocks_get_by_page($PAGE);
  85     }
  86     $missingblocks = blocks_get_missing($PAGE, $pageblocks);
  87 }
  88
  89 if (!empty($tagid)) {
  90     $taginstance = get_record('tags', 'id', $tagid);
  91 } else {
  92     $tagid = '';
  93     if (!empty($tag)) {
  94         $tagrec = get_record('tags', 'text', $tag);
  95         $tagid = $tagrec->id;
  96         $taginstance = get_record('tags', 'id', $tagid);
  97     }
  98 }
  99
 100 /// navigations
 101 /// site blogs - sitefullname -> blogs -> (?tag)
 102 /// course blogs - sitefullname -> course fullname ->blogs ->(?tag)
 103 /// group blogs - sitefullname -> course fullname ->group ->(?tag)
 104 /// user blogs - sitefullname -> (?coursefullname) -> participants -> blogs -> (?tag)
 105
 106 $blogstring = get_string('blogs','blog');
 107 $tagstring = get_string('tag');
 108
 109 // needed also for user tabs later
 110 if (!$course = get_record('course', 'id', $courseid)) {
 111     error('Wrong course id');
 112 }
 113
 114
 115 /// This is very messy atm.
 116
 117     switch ($filtertype) {
 118         case 'site':
 119             if ($tagid || !empty($tag)) {
 120                 print_header("$SITE->shortname: $blogstring", $SITE->fullname,
 121                             '<a href="index.php?filtertype=site">'. "$blogstring</a> -> $tagstring: $taginstance->text",'','',true,$PAGE->get_extra_header_string());
 122             } else {
 123                 print_header("$SITE->shortname: $blogstring", $SITE->fullname,
 124                             $blogstring,'','',true,$PAGE->get_extra_header_string());
 125             }
 126         break;
 127
 128         case 'course':
 129             if ($tagid || !empty($tag)) {
 130                 print_header("$course->shortname: $blogstring", $course->fullname,
 131                             '<a href="index.php?filtertype=course&amp;filterselect='.$filterselect.'">'. "$blogstring</a> -> $tagstring: $taginstance->text",'','',true,$PAGE->get_extra_header_string());
 132             } else {
 133                 print_header("$course->shortname: $blogstring", $course->fullname,
 134                             $blogstring,'','',true,$PAGE->get_extra_header_string());
 135             }
 136         break;
 137
 138         case 'group':
 139
 140             if ($thisgroup = groups_get_group($filterselect, false)) { //TODO:
 141                 if ($tagid || !empty($tag)) {
 142                     print_header("$course->shortname: $blogstring", $course->fullname,
 143                         '<a href="'.$CFG->wwwroot.'/user/index.php?id='.$course->id.'&amp;group='.$filterselect.'">'.$thisgroup->name.'</a> ->
 144                         <a href="index.php?filtertype=group&amp;filterselect='.$filterselect.'">'. "$blogstring</a> -> $tagstring: $taginstance->text",'','',true,$PAGE->get_extra_header_string());
 145                 } else {
 146                     print_header("$course->shortname: $blogstring", $course->fullname,
 147                         '<a href="'.$CFG->wwwroot.'/user/index.php?id='.$course->id.'&amp;group='.$filterselect.'">'.$thisgroup->name."</a> ->
 148                         $blogstring",'','',true,$PAGE->get_extra_header_string());
 149                 }
 150             } else {
 151                 print_error('Unable to find group');
 152             }
 153
 154         break;
 155
 156         case 'user':
 157             $participants = get_string('participants');
 158             if (!$user = get_record('user', 'id', $filterselect)) {
 159                error('Wrong user id');
 160             }
 161
 162             if ($course->id != SITEID) {
 163                 if ($tagid || !empty($tag)) {
 164                     print_header("$course->shortname: $blogstring", $course->fullname,
 165                             '<a href="'.$CFG->wwwroot.'/course/view.php?id='.$course->id.'">'.$course->shortname.'</a> ->
 166                             <a href="'.$CFG->wwwroot.'/user/index.php?id='.$course->id.'">'.$participants.'</a> ->
 167                             <a href="'.$CFG->wwwroot.'/user/view.php?id='.$filterselect.'&amp;course='.$course->id.'">'.fullname($user).'</a> ->
 168                             <a href="index.php?courseid='.$course->id.'&amp;filtertype=user&amp;filterselect='.$filterselect.'">'. "$blogstring</a> -> $tagstring: $taginstance->text",'','',true,$PAGE->get_extra_header_string());
 169
 170                 } else {
 171                     print_header("$course->shortname: $blogstring", $course->fullname,
 172                             '<a href="'.$CFG->wwwroot.'/course/view.php?id='.$course->id.'">'.$course->shortname.'</a> ->
 173                             <a href="'.$CFG->wwwroot.'/user/index.php?id='.$course->id.'">'.$participants.'</a> ->
 174                             <a href="'.$CFG->wwwroot.'/user/view.php?id='.$filterselect.'&amp;course='.$course->id.'">'.fullname($user).'</a> ->
 175                             '.$blogstring,'','',true,$PAGE->get_extra_header_string());
 176                 }
 177
 178             } else {
 179
 180             //in top view
 181
 182                 if ($tagid || !empty($tag)) {
 183                     print_header("$SITE->shortname: $blogstring", $SITE->fullname,
 184                             '<a href="'.$CFG->wwwroot.'/user/view.php?id='.$filterselect.'">'.fullname($user).'</a> ->
 185                             <a href="index.php?filtertype=user&amp;filterselect='.$filterselect.'">'. "$blogstring</a> -> $tagstring: $taginstance->text",'','',true,$PAGE->get_extra_header_string());
 186
 187                 } else {
 188                     print_header("$SITE->shortname: $blogstring", $SITE->fullname,
 189                             '<a href="'.$CFG->wwwroot.'/user/view.php?id='.$filterselect.'">'.fullname($user).'</a> ->
 190                             '.$blogstring,'','',true,$PAGE->get_extra_header_string());
 191
 192                 }
 193
 194             }
 195         break;
 196
 197         default:
 198             error ('Error unknown filtertype');
 199         break;
 200     }
 201
 202
 203 // prints the tabs
 204 if ($filtertype=='user') {
 205     $showroles = true;
 206 } else {
 207     $showroles = false;
 208 }
 209 $currenttab = 'blogs';
 210
 211 require_once($CFG->dirroot .'/user/tabs.php');
 212
 213
 214 /// Layout the whole page as three big columns.
 215 print '<table border="0" cellpadding="3" cellspacing="0" width="100%" id="layout-table">' . "\n";
 216 print '<tr valign="top">' . "\n";
 217
 218 /// The left column ...
 219 if (blocks_have_content($pageblocks, BLOCK_POS_LEFT) || $editing) {
 220     print '<td style="vertical-align: top; width: '. $preferred_width_left .'px;" id="left-column">' . "\n";
 221     print '<!-- Begin left side blocks -->' . "\n";
 222     if (!empty($THEME->customcorners)) print_custom_corners_start();
 223     blocks_print_group($PAGE, $pageblocks, BLOCK_POS_LEFT);
 224     if (!empty($THEME->customcorners)) print_custom_corners_end();
 225     print '<!-- End left side blocks -->' . "\n";
 226     print '</td>' . "\n";
 227 }
 228
 229 /// Start main column
 230 print '<!-- Begin page content -->' . "\n";
 231 print '<td>';
 232 if (!empty($THEME->customcorners)) print_custom_corners_start();
 233 ?>
 234 <table width="100%">
 235 <tr>
 236 <td valign="top">