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