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('tag', 'id', $tagid);
  91 } else {
  92     $tagid = '';
  93     if (!empty($tag)) {
  94         $taginstance = tag_id($tag);
  95     }
  96 }
  97
  98 /// navigations
  99 /// site blogs - sitefullname -> blogs -> (?tag)
 100 /// course blogs - sitefullname -> course fullname ->blogs ->(?tag)
 101 /// group blogs - sitefullname -> course fullname ->group ->(?tag)
 102 /// user blogs - sitefullname -> (?coursefullname) -> participants -> blogs -> (?tag)
 103
 104 $blogstring = get_string('blogs','blog');
 105 $tagstring = get_string('tag');
 106
 107 // needed also for user tabs later
 108 if (!$course = get_record('course', 'id', $courseid)) {
 109     error('Wrong course id');
 110 }
 111
 112 $navlinks = array();
 113
 114 /// This is very messy atm.
 115
 116     switch ($filtertype) {
 117         case 'site':
 118             if ($tagid || !empty($tag)) {
 119                 $navlinks[] = array('name' => $blogstring, 'link' => "index.php?filtertype=site", 'type' => 'misc');
 120                 $navlinks[] = array('name' => "$tagstring: $taginstance->name", 'link' => null, 'type' => 'misc');
 121                 $navigation = build_navigation($navlinks);
 122                 print_header("$SITE->shortname: $blogstring", $SITE->fullname, $navigation,'','',true,$PAGE->get_extra_header_string());
 123             } else {
 124                 $navlinks[] = array('name' => $blogstring, 'link' => null, 'type' => 'misc');
 125                 $navigation = build_navigation($navlinks);
 126                 print_header("$SITE->shortname: $blogstring", $SITE->fullname, $navigation,'','',true,$PAGE->get_extra_header_string());
 127             }
 128         break;
 129
 130         case 'course':
 131             if ($tagid || !empty($tag)) {
 132                 $navlinks[] = array('name' => $blogstring,
 133                                     'link' => "index.php?filtertype=course&amp;filterselect=$filterselect",
 134                                     'type' => 'misc');
 135                 $navlinks[] = array('name' => "$tagstring: $taginstance->name", 'link' => null, 'type' => 'misc');
 136                 $navigation = build_navigation($navlinks);
 137                 print_header("$course->shortname: $blogstring", $course->fullname, $navigation,'','',true,$PAGE->get_extra_header_string());
 138             } else {
 139                 $navlinks[] = array('name' => $blogstring, 'link' => null, 'type' => 'misc');
 140                 $navigation = build_navigation($navlinks);
 141                 print_header("$course->shortname: $blogstring", $course->fullname, $navigation,'','',true,$PAGE->get_extra_header_string());
 142             }
 143         break;
 144
 145         case 'group':
 146
 147             if ($thisgroup = groups_get_group($filterselect, false)) { //TODO:
 148                 if ($tagid || !empty($tag)) {
 149                     $navlinks[] = array('name' => $thisgroup->name,
 150                                         'link' => "$CFG->wwwroot/user/index.php?id=$course->id&amp;group=$filterselect",
 151                                         'type' => 'misc');
 152                     $navlinks[] = array('name' => $blogstring,
 153                                         'link' => "index.php?filtertype=group&amp;filterselect=$filterselect",
 154                                         'type' => 'misc');
 155                     $navlinks[] = array('name' => "$tagstring: $taginstance->name", 'link' => null, 'type' => 'misc');
 156                     $navigation = build_navigation($navlinks);
 157                     print_header("$course->shortname: $blogstring", $course->fullname, $navigation,'','',true,$PAGE->get_extra_header_string());
 158                 } else {
 159                     $navlinks[] = array('name' => $thisgroup->name,
 160                                         'link' => "$CFG->wwwroot/user/index.php?id=$course->id&amp;group=$filterselect",
 161                                         'type' => 'misc');
 162                     $navlinks[] = array('name' => $blogstring, 'link' => null, 'type' => 'misc');
 163                     $navigation = build_navigation($navlinks);
 164                     print_header("$course->shortname: $blogstring", $course->fullname, $navigation,'','',true,$PAGE->get_extra_header_string());
 165                 }
 166             } else {
 167                 print_error('Unable to find group');
 168             }
 169
 170         break;
 171
 172         case 'user':
 173             $participants = get_string('participants');
 174             if (!$user = get_record('user', 'id', $filterselect)) {
 175                error('Wrong user id');
 176             }
 177
 178             if ($course->id != SITEID) {
 179                 if ($tagid || !empty($tag)) {
 180                     $navlinks[] = array('name' => $course->shortname,
 181                                         'link' => "$CFG->wwwroot/course/view.php?id=$course->id",
 182                                         'type' => 'misc');
 183                     $navlinks[] = array('name' => $participants,
 184                                         'link' => "$CFG->wwwroot/user/index.php?id=$course->id",
 185                                         'type' => 'misc');
 186                     $navlinks[] = array('name' => fullname($user),
 187                                         'link' => "$CFG->wwwroot/user/view.php?id=$filterselect&amp;course=$course->id",
 188                                         'type' => 'misc');
 189                     $navlinks[] = array('name' => $blogstring,
 190                                         'link' => "index.php?courseid=$course->id&amp;filtertype=user&amp;filterselect=$filterselect",
 191                                         'type' => 'misc');
 192                     $navlinks[] = array('name' => "$tagstring: $taginstance->name", 'link' => null, 'type' => 'misc');
 193                     $navigation = build_navigation($navlinks);
 194
 195                     print_header("$course->shortname: $blogstring", $course->fullname, $navigation,'','',true,$PAGE->get_extra_header_string());
 196
 197                 } else {
 198                     $navlinks[] = array('name' => $course->shortname,
 199                                         'link' => "$CFG->wwwroot/course/view.php?id=$course->id",
 200                                         'type' => 'misc');
 201                     $navlinks[] = array('name' => $participants,
 202                                         'link' => "$CFG->wwwroot/user/index.php?id=$course->id",
 203                                         'type' => 'misc');
 204                     $navlinks[] = array('name' => fullname($user),
 205                                         'link' => "$CFG->wwwroot/user/view.php?id=$filterselect&amp;course=$course->id",
 206                                         'type' => 'misc');
 207                     $navlinks[] = array('name' => $blogstring, 'link' => null, 'type' => 'misc');
 208                     $navigation = build_navigation($navlinks);
 209                     print_header("$course->shortname: $blogstring", $course->fullname,
 210                             '<a href="'.$CFG->wwwroot.'/course/view.php?id='.$course->id.'">'.$course->shortname.'</a> ->
 211                             <a href="'.$CFG->wwwroot.'/user/index.php?id='.$course->id.'">'.$participants.'</a> ->
 212                             <a href="'.$CFG->wwwroot.'/user/view.php?id='.$filterselect.'&amp;course='.$course->id.'">'.fullname($user).'</a> ->
 213                             '.$blogstring,'','',true,$PAGE->get_extra_header_string());
 214                 }
 215
 216             } else {
 217
 218             //in top view
 219
 220                 if ($tagid || !empty($tag)) {
 221                     $navlinks[] = array('name' => fullname($user),
 222                                         'link' => "$CFG->wwwroot/user/view.php?id=$filterselect",
 223                                         'type' => 'misc');
 224                     $navlinks[] = array('name' => $blogstring,
 225                                         'link' => "index.php?filtertype=user&amp;filterselect=$filterselect",
 226                                         'type' => 'misc');
 227                     $navlinks[] = array('name' => "$tagstring: $taginstance->name", 'link' => null, 'type' => 'misc');
 228                     $navigation = build_navigation($navlinks);
 229
 230                     print_header("$SITE->shortname: $blogstring", $SITE->fullname, $navigation,'','',true,$PAGE->get_extra_header_string());
 231
 232                 } else {
 233                     $navlinks[] = array('name' => fullname($user),
 234                                         'link' => "$CFG->wwwroot/user/view.php?id=$filterselect",
 235                                         'type' => 'misc');
 236                     $navlinks[] = array('name' => $blogstring, 'link' => null, 'type' => 'misc');
 237                     $navigation = build_navigation($navlinks);
 238                     print_header("$SITE->shortname: $blogstring", $SITE->fullname, $navigation,'','',true,$PAGE->get_extra_header_string());
 239
 240                 }
 241
 242             }
 243         break;
 244
 245         default:
 246             error ('Error unknown filtertype');
 247         break;
 248     }
 249
 250
 251 // prints the tabs
 252 if ($filtertype=='user') {
 253     $showroles = true;
 254 } else {
 255     $showroles = false;
 256 }
 257 $currenttab = 'blogs';
 258
 259 require_once($CFG->dirroot .'/user/tabs.php');
 260
 261
 262 /// Layout the whole page as three big columns.
 263 print '<table border="0" cellpadding="3" cellspacing="0" width="100%" id="layout-table">' . "\n";
 264 print '<tr valign="top">' . "\n";
 265
 266 /// The left column ...
 267 if (blocks_have_content($pageblocks, BLOCK_POS_LEFT) || $editing) {
 268     print '<td style="vertical-align: top; width: '. $preferred_width_left .'px;" id="left-column">' . "\n";
 269     print '<!-- Begin left side blocks -->' . "\n";
 270     if (!empty($THEME->customcorners)) print_custom_corners_start();
 271     blocks_print_group($PAGE, $pageblocks, BLOCK_POS_LEFT);
 272     if (!empty($THEME->customcorners)) print_custom_corners_end();
 273     print '<!-- End left side blocks -->' . "\n";
 274     print '</td>' . "\n";
 275 }
 276
 277 /// Start main column
 278 print '<!-- Begin page content -->' . "\n";
 279 print '<td>';
 280 if (!empty($THEME->customcorners)) print_custom_corners_start();
 281 ?>
 282 <table width="100%">
 283 <tr>
 284 <td valign="top">