blog/header.php

   1 <?php //$Id$
   2
   3 /// Sets up blocks and navigation for index.php, edit.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 $blockid = optional_param('blockid',    0, PARAM_INT);
  14
  15 /// If user has never visited this page before, install 2 blocks for him
  16 blog_check_and_install_blocks();
  17
  18
  19 // now check that they are logged in and allowed into the course (if specified)
  20 if ($courseid != SITEID) {
  21     if (!$course = get_record('course', 'id', $courseid)) {
  22         error('The course number was incorrect ('. $courseid .')');
  23     }
  24     require_login($course->id);
  25 } else {
  26     $course = $SITE;
  27 }
  28
  29 // Bounds for block widths within this page
  30 define('BLOCK_L_MIN_WIDTH', 160);
  31 define('BLOCK_L_MAX_WIDTH', 210);
  32 define('BLOCK_R_MIN_WIDTH', 160);
  33 define('BLOCK_R_MAX_WIDTH', 210);
  34
  35 //_____________ new page class code ________
  36 $pagetype = PAGE_BLOG_VIEW;
  37 $pageclass = 'page_blog';
  38
  39 // map our page identifier to the actual name
  40 // of the class which will be handling its operations.
  41 page_map_class($pagetype, $pageclass);
  42
  43 // Now, create our page object.
  44 if (!isset($USER->id)) {
  45     $PAGE = page_create_object($pagetype);
  46 } else {
  47     $PAGE = page_create_object($pagetype, $USER->id);
  48 }
  49 $PAGE->courseid = $courseid;
  50 $PAGE->init_full(); //init the BlogInfo object and the courserecord object
  51
  52 if (!empty($tagid)) {
  53     $taginstance = get_record('tags', 'id', $tagid);
  54 } else {
  55     $tagid = '';
  56     if (!empty($tag)) {
  57         $tagrec = get_record('tags', 'text', $tag);
  58         $tagid = $tagrec->id;
  59         $taginstance = get_record('tags', 'id', $tagid);
  60     }
  61 }
  62 if (!isset($filtertype)) {
  63     $filtertype = 'user';
  64     $filterselect = $USER->id;
  65 }
  66
  67 /// navigations
  68 /// site blogs - sitefullname -> blogs -> (?tag)
  69 /// course blogs - sitefullname -> course fullname ->blogs ->(?tag)
  70 /// group blogs - sitefullname -> course fullname ->group ->(?tag)
  71 /// user blogs - sitefullname -> (?coursefullname) -> participants -> blogs -> (?tag)
  72
  73 $blogstring = get_string('blogs','blog');
  74 $tagstring = get_string('tag');
  75
  76 if ($ME == $CFG->wwwroot.'/blog/edit.php') {  /// We are in edit mode, print the editing header
  77
  78     // first we need to identify the user
  79     if ($editid) {  // if we are editing a post
  80         $blogEntry = get_record('post','id',$editid);
  81         $user = get_record('user','id',$blogEntry->userid);
  82     } else {
  83         $user = get_record('user','id',$filterselect);
  84     }
  85
  86     if ($editid) {
  87         $formHeading = get_string('updateentrywithid', 'blog');
  88     } else {
  89         $formHeading = get_string('addnewentry', 'blog');
  90     }
  91
  92     print_header("$SITE->shortname: $blogstring", "$SITE->fullname",
  93                         '<a href="'.$CFG->wwwroot.'/user/view.php?id='.$filterselect.'">'.fullname($user).'</a> ->
  94                         <a href="'.$CFG->wwwroot.'/blog/index.php?userid='.$user->id.'">'.$blogstring.'</a> -> '.               $formHeading,'','',true);
  95
  96 } else {  // else, we are in view mode
  97
  98 /// This is very messy atm.
  99
 100     switch ($filtertype) {
 101         case 'site':
 102             if ($tagid || !empty($tag)) {
 103                 print_header("$SITE->shortname: $blogstring", $SITE->fullname,
 104                             '<a href="index.php?filtertype=site">'. "$blogstring</a> -> $tagstring: $taginstance->text",'','',true,$PAGE->get_extra_header_string());
 105             } else {
 106                 print_header("$SITE->shortname: $blogstring", $SITE->fullname,
 107                             $blogstring,'','',true,$PAGE->get_extra_header_string());
 108             }
 109         break;
 110
 111         case 'course':
 112             if ($tagid || !empty($tag)) {
 113                 print_header("$course->shortname: $blogstring", $course->fullname,
 114                             '<a href="index.php?filtertype=course&amp;filterselect='.$filterselect.'">'. "$blogstring</a> -> $tagstring: $taginstance->text",'','',true,$PAGE->get_extra_header_string());
 115             } else {
 116                 print_header("$course->shortname: $blogstring", $course->fullname,
 117                             $blogstring,'','',true,$PAGE->get_extra_header_string());
 118             }
 119         break;
 120
 121         case 'group':
 122
 123             $thisgroup = get_record('groups', 'id', $filterselect);
 124
 125             if ($tagid || !empty($tag)) {
 126                 print_header("$course->shortname: $blogstring", $course->fullname,
 127                             '<a href="'.$CFG->wwwroot.'/user/index.php?id='.$course->id.'&amp;group='.$filterselect.'">'.$thisgroup->name.'</a> ->
 128                             <a href="index.php?filtertype=group&amp;filterselect='.$filterselect.'">'. "$blogstring</a> -> $tagstring: $taginstance->text",'','',true,$PAGE->get_extra_header_string());
 129             } else {
 130                 print_header("$course->shortname: $blogstring", $course->fullname,
 131                             '<a href="'.$CFG->wwwroot.'/user/index.php?id='.$course->id.'&amp;group='.$filterselect.'">'.$thisgroup->name."</a> ->
 132                             $blogstring",'','',true,$PAGE->get_extra_header_string());
 133
 134             }
 135
 136         break;
 137
 138         case 'user':
 139             $user = get_record('user', 'id', $filterselect);
 140             $participants = get_string('participants');
 141
 142             if (isset($course->id) && $course->id && $course->id != SITEID) {
 143                 if ($tagid || !empty($tag)) {
 144                     print_header("$course->shortname: $blogstring", $course->fullname,
 145                             '<a href="'.$CFG->wwwroot.'/course/view.php?id='.$course->id.'">'.$course->shortname.'</a> ->
 146                             <a href="'.$CFG->wwwroot.'/user/index.php?id='.$course->id.'">'.$participants.'</a> ->
 147                             <a href="'.$CFG->wwwroot.'/user/view.php?id='.$filterselect.'&amp;course='.$course->id.'">'.fullname($user).'</a> ->
 148                             <a href="index.php?courseid='.optional_param('courseid', 0, PARAM_INT).'&amp;filtertype=user&amp;filterselect='.$filterselect.'">'. "$blogstring</a> -> $tagstring: $taginstance->text",'','',true,$PAGE->get_extra_header_string());
 149
 150                 } else {
 151                     print_header("$course->shortname: $blogstring", $course->fullname,
 152                             '<a href="'.$CFG->wwwroot.'/course/view.php?id='.$course->id.'">'.$course->shortname.'</a> ->
 153                             <a href="'.$CFG->wwwroot.'/user/index.php?id='.$course->id.'">'.$participants.'</a> ->
 154                             <a href="'.$CFG->wwwroot.'/user/view.php?id='.$filterselect.'&amp;course='.$course->id.'">'.fullname($user).'</a> ->
 155                             '.$blogstring,'','',true,$PAGE->get_extra_header_string());
 156                 }
 157
 158             }
 159             //in top view
 160             else {
 161
 162                 if ($tagid || !empty($tag)) {
 163                     print_header("$SITE->shortname: $blogstring", $SITE->fullname,
 164                             '<a href="'.$CFG->wwwroot.'/user/view.php?id='.$filterselect.'">'.fullname($user).'</a> ->
 165                             <a href="index.php?filtertype=user&amp;filterselect='.$filterselect.'">'. "$blogstring</a> -> $tagstring: $taginstance->text",'','',true,$PAGE->get_extra_header_string());
 166
 167                 } else {
 168                     print_header("$SITE->shortname: $blogstring", $SITE->fullname,
 169                             '<a href="'.$CFG->wwwroot.'/user/view.php?id='.$filterselect.'">'.fullname($user).'</a> ->
 170                             '.$blogstring,'','',true,$PAGE->get_extra_header_string());
 171
 172                 }
 173
 174             }
 175         break;
 176
 177         default:    //user click on add from block
 178             print_header("$SITE->shortname: $blogstring", $SITE->fullname,
 179                             '<a href="'.$CFG->wwwroot.'/user/view.php?id='.$filterselect.'">'.fullname($user).'</a> ->
 180                             <a href="'.$CFG->wwwroot.'/blog/index.php?userid='.$user->id.'">'.$blogstring.'</a> -> '.get_string('addentry','blog'),'','',true,$PAGE->get_extra_header_string());
 181         break;
 182     }
 183
 184 } /// close switch
 185
 186 // prints the tabs
 187 $currenttab = 'blogs';
 188 $user = $USER;
 189 if (!$course) {
 190     $course = get_record('course','id',optional_param('courseid', SITEID, PARAM_INT));
 191 }
 192 require_once($CFG->dirroot .'/user/tabs.php');
 193
 194 $editing = false;
 195 if ($PAGE->user_allowed_editing()) {
 196     $editing = $PAGE->user_is_editing();
 197 }
 198
 199 // Calculate the preferred width for left, right and center (both center positions will use the same)
 200 $preferred_width_left  = bounded_number(BLOCK_L_MIN_WIDTH, blocks_preferred_width($pageblocks[BLOCK_POS_LEFT]),
 201                                         BLOCK_L_MAX_WIDTH);
 202 $preferred_width_right = bounded_number(BLOCK_R_MIN_WIDTH, blocks_preferred_width($pageblocks[BLOCK_POS_RIGHT]),
 203                                         BLOCK_R_MAX_WIDTH);
 204
 205 // Display the blocks and allow blocklib to handle any block action requested
 206 $pageblocks = blocks_get_by_page($PAGE);
 207
 208 if ($editing) {
 209     if (!empty($blockaction) && confirm_sesskey()) {
 210         if (!empty($blockid)) {
 211             blocks_execute_action($PAGE, $pageblocks, strtolower($blockaction), intval($blockid));
 212         } else if (!empty($instanceid)) {
 213             $instance = blocks_find_instance($instanceid, $pageblocks);
 214             blocks_execute_action($PAGE, $pageblocks, strtolower($blockaction), $instance);
 215         }
 216         // This re-query could be eliminated by judicious programming in blocks_execute_action(),
 217         // but I'm not sure if it's worth the complexity increase...
 218         $pageblocks = blocks_get_by_page($PAGE);
 219     }
 220     $missingblocks = blocks_get_missing($PAGE, $pageblocks);
 221 }
 222
 223 /// Layout the whole page as three big columns.
 224 print '<table border="0" cellpadding="3" cellspacing="0" width="100%">' . "\n";
 225 print '<tr valign="top">' . "\n";
 226
 227 /// The left column ...
 228 if (blocks_have_content($pageblocks, BLOCK_POS_LEFT) || $editing) {
 229     print '<td style="vertical-align: top; width: '. $preferred_width_left .'px;">' . "\n";
 230     print '<!-- Begin left side blocks -->' . "\n";
 231     blocks_print_group($PAGE, $pageblocks, BLOCK_POS_LEFT);
 232     print '<!-- End left side blocks -->' . "\n";
 233     print '</td>' . "\n";
 234 }
 235
 236 /// Start main column
 237 print '<!-- Begin page content -->' . "\n";
 238 print '<td width="*">';
 239 ?>
 240 <table width="100%">
 241 <tr>
 242 <td height="100%" valign="top">