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 // Bounds for block widths
  30 // more flexible for theme designers taken from theme config.php
  31 $lmin = (empty($THEME->block_l_min_width)) ? 160 : $THEME->block_l_min_width;
  32 $lmax = (empty($THEME->block_l_max_width)) ? 210 : $THEME->block_l_max_width;
  33 $rmin = (empty($THEME->block_r_min_width)) ? 160 : $THEME->block_r_min_width;
  34 $rmax = (empty($THEME->block_r_max_width)) ? 210 : $THEME->block_r_max_width;
  35
  36 define('BLOCK_L_MIN_WIDTH', $lmin);
  37 define('BLOCK_L_MAX_WIDTH', $lmax);
  38 define('BLOCK_R_MIN_WIDTH', $rmin);
  39 define('BLOCK_R_MAX_WIDTH', $rmax);
  40
  41 //_____________ new page class code ________
  42 $pagetype = PAGE_BLOG_VIEW;
  43 $pageclass = 'page_blog';
  44
  45 // map our page identifier to the actual name
  46 // of the class which will be handling its operations.
  47 page_map_class($pagetype, $pageclass);
  48
  49 // Now, create our page object.
  50 if (empty($USER->id)) {
  51     $PAGE = page_create_object($pagetype);
  52 } else {
  53     $PAGE = page_create_object($pagetype, $USER->id);
  54 }
  55 $PAGE->courseid     = $courseid;
  56 $PAGE->filtertype   = $filtertype;
  57 $PAGE->filterselect = $filterselect;
  58 $PAGE->tagid        = $tagid;
  59
  60 $PAGE->init_full(); //init the BlogInfo object and the courserecord object
  61
  62 $editing = false;
  63 if ($PAGE->user_allowed_editing()) {
  64     $editing = $PAGE->user_is_editing();
  65 }
  66
  67 // Calculate the preferred width for left, right and center (both center positions will use the same)
  68 $preferred_width_left  = bounded_number(BLOCK_L_MIN_WIDTH, blocks_preferred_width($pageblocks[BLOCK_POS_LEFT]),
  69                                         BLOCK_L_MAX_WIDTH);
  70 $preferred_width_right = bounded_number(BLOCK_R_MIN_WIDTH, blocks_preferred_width($pageblocks[BLOCK_POS_RIGHT]),
  71                                         BLOCK_R_MAX_WIDTH);
  72
  73 // Display the blocks and allow blocklib to handle any block action requested
  74 $pageblocks = blocks_get_by_page($PAGE);
  75
  76 if ($editing) {
  77     if (!empty($blockaction) && confirm_sesskey()) {
  78         if (!empty($blockid)) {
  79             blocks_execute_action($PAGE, $pageblocks, strtolower($blockaction), intval($blockid));
  80         } else if (!empty($instanceid)) {
  81             $instance = blocks_find_instance($instanceid, $pageblocks);
  82             blocks_execute_action($PAGE, $pageblocks, strtolower($blockaction), $instance);
  83         }
  84         // This re-query could be eliminated by judicious programming in blocks_execute_action(),
  85         // but I'm not sure if it's worth the complexity increase...
  86         $pageblocks = blocks_get_by_page($PAGE);
  87     }
  88     $missingblocks = blocks_get_missing($PAGE, $pageblocks);
  89 }
  90
  91 if (!empty($tagid)) {
  92     $taginstance = get_record('tags', 'id', $tagid);
  93 } else {
  94     $tagid = '';
  95     if (!empty($tag)) {
  96         $tagrec = get_record('tags', 'text', $tag);
  97         $tagid = $tagrec->id;
  98         $taginstance = get_record('tags', 'id', $tagid);
  99     }
 100 }
 101
 102 /// navigations
 103 /// site blogs - sitefullname -> blogs -> (?tag)
 104 /// course blogs - sitefullname -> course fullname ->blogs ->(?tag)
 105 /// group blogs - sitefullname -> course fullname ->group ->(?tag)
 106 /// user blogs - sitefullname -> (?coursefullname) -> participants -> blogs -> (?tag)
 107
 108 $blogstring = get_string('blogs','blog');
 109 $tagstring = get_string('tag');
 110
 111 // needed also for user tabs later
 112 if (!$course = get_record('course', 'id', $courseid)) {
 113     error('Wrong course id');
 114 }
 115
 116
 117 /// This is very messy atm.
 118
 119     switch ($filtertype) {
 120         case 'site':
 121             if ($tagid || !empty($tag)) {
 122                 print_header("$SITE->shortname: $blogstring", $SITE->fullname,
 123                             '<a href="index.php?filtertype=site">'. "$blogstring</a> -> $tagstring: $taginstance->text",'','',true,$PAGE->get_extra_header_string());
 124             } else {
 125                 print_header("$SITE->shortname: $blogstring", $SITE->fullname,
 126                             $blogstring,'','',true,$PAGE->get_extra_header_string());
 127             }
 128         break;
 129
 130         case 'course':
 131             if ($tagid || !empty($tag)) {
 132                 print_header("$course->shortname: $blogstring", $course->fullname,
 133                             '<a href="index.php?filtertype=course&amp;filterselect='.$filterselect.'">'. "$blogstring</a> -> $tagstring: $taginstance->text",'','',true,$PAGE->get_extra_header_string());
 134             } else {
 135                 print_header("$course->shortname: $blogstring", $course->fullname,
 136                             $blogstring,'','',true,$PAGE->get_extra_header_string());
 137             }
 138         break;
 139
 140         case 'group':
 141
 142             if ($thisgroup = groups_get_group($filterselect, false)) { //TODO:
 143                 if ($tagid || !empty($tag)) {
 144                         print_header("$course->shortname: $blogstring", $course->fullname,
 145                             '<a href="'.$CFG->wwwroot.'/user/index.php?id='.$course->id.'&amp;group='.$filterselect.'">'.$thisgroup->name.'</a> ->
 146                             <a href="index.php?filtertype=group&amp;filterselect='.$filterselect.'">'. "$blogstring</a> -> $tagstring: $taginstance->text",'','',true,$PAGE->get_extra_header_string());
 147                 } else {
 148                         print_header("$course->shortname: $blogstring", $course->fullname,
 149                             '<a href="'.$CFG->wwwroot.'/user/index.php?id='.$course->id.'&amp;group='.$filterselect.'">'.$thisgroup->name."</a> ->
 150                             $blogstring",'','',true,$PAGE->get_extra_header_string());
 151                 }
 152             } else {
 153                 print_error('Unable to find group');
 154             }
 155
 156         break;
 157
 158         case 'user':
 159             $participants = get_string('participants');
 160             if (!$user = get_record('user', 'id', $filterselect)) {
 161                error('Wrong user id');
 162             }
 163
 164             if ($course->id != SITEID) {
 165                 if ($tagid || !empty($tag)) {
 166                     print_header("$course->shortname: $blogstring", $course->fullname,
 167                             '<a href="'.$CFG->wwwroot.'/course/view.php?id='.$course->id.'">'.$course->shortname.'</a> ->
 168                             <a href="'.$CFG->wwwroot.'/user/index.php?id='.$course->id.'">'.$participants.'</a> ->
 169                             <a href="'.$CFG->wwwroot.'/user/view.php?id='.$filterselect.'&amp;course='.$course->id.'">'.fullname($user).'</a> ->
 170                             <a href="index.php?courseid='.$course->id.'&amp;filtertype=user&amp;filterselect='.$filterselect.'">'. "$blogstring</a> -> $tagstring: $taginstance->text",'','',true,$PAGE->get_extra_header_string());
 171
 172                 } else {
 173                     print_header("$course->shortname: $blogstring", $course->fullname,
 174                             '<a href="'.$CFG->wwwroot.'/course/view.php?id='.$course->id.'">'.$course->shortname.'</a> ->
 175                             <a href="'.$CFG->wwwroot.'/user/index.php?id='.$course->id.'">'.$participants.'</a> ->
 176                             <a href="'.$CFG->wwwroot.'/user/view.php?id='.$filterselect.'&amp;course='.$course->id.'">'.fullname($user).'</a> ->
 177                             '.$blogstring,'','',true,$PAGE->get_extra_header_string());
 178                 }
 179
 180             } else {
 181
 182             //in top view
 183
 184                 if ($tagid || !empty($tag)) {
 185                     print_header("$SITE->shortname: $blogstring", $SITE->fullname,
 186                             '<a href="'.$CFG->wwwroot.'/user/view.php?id='.$filterselect.'">'.fullname($user).'</a> ->
 187                             <a href="index.php?filtertype=user&amp;filterselect='.$filterselect.'">'. "$blogstring</a> -> $tagstring: $taginstance->text",'','',true,$PAGE->get_extra_header_string());
 188
 189                 } else {
 190                     print_header("$SITE->shortname: $blogstring", $SITE->fullname,
 191                             '<a href="'.$CFG->wwwroot.'/user/view.php?id='.$filterselect.'">'.fullname($user).'</a> ->
 192                             '.$blogstring,'','',true,$PAGE->get_extra_header_string());
 193
 194                 }
 195
 196             }
 197         break;
 198
 199         default:
 200             error ('Error unknown filtertype');
 201         break;
 202     }
 203
 204
 205 // prints the tabs
 206 if ($filtertype=='user') {
 207     $showroles = true;
 208 } else {
 209     $showroles = false;
 210 }
 211 $currenttab = 'blogs';
 212
 213 require_once($CFG->dirroot .'/user/tabs.php');
 214
 215
 216 /// Layout the whole page as three big columns.
 217 print '<table border="0" cellpadding="3" cellspacing="0" width="100%" id="layout-table">' . "\n";
 218 print '<tr valign="top">' . "\n";
 219
 220 /// The left column ...
 221 if (blocks_have_content($pageblocks, BLOCK_POS_LEFT) || $editing) {
 222     print '<td style="vertical-align: top; width: '. $preferred_width_left .'px;" id="left-column">' . "\n";
 223     print '<!-- Begin left side blocks -->' . "\n";
 224     blocks_print_group($PAGE, $pageblocks, BLOCK_POS_LEFT);
 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 ?>
 233 <table width="100%">
 234 <tr>
 235 <td valign="top">