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index.php
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index.php
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<?PHP // $Id$
// index.php - the front page.
// Bounds for block widths
define('BLOCK_L_MIN_WIDTH', 160);
define('BLOCK_L_MAX_WIDTH', 210);
define('BLOCK_R_MIN_WIDTH', 160);
define('BLOCK_R_MAX_WIDTH', 210);
require_once("config.php");
require_once("course/lib.php");
require_once('lib/blocklib.php');
require_once("mod/resource/lib.php");
require_once("mod/forum/lib.php");
if (! $site = get_site()) {
redirect("$CFG->wwwroot/$CFG->admin/index.php");
}
if ($CFG->forcelogin) {
require_login();
}
if (isadmin()) {
if (moodle_needs_upgrading()) {
redirect("$CFG->wwwroot/$CFG->admin/index.php");
}
}
if (empty($USER->id)) {
if (empty($CFG->loginhttps)) {
$wwwroot = $CFG->wwwroot;
} else {
$wwwroot = str_replace('http','https',$CFG->wwwroot);
}
$loginstring = "<font size=2><a href=\"$wwwroot/login/index.php\">".get_string("login")."</a></font>";
} else {
$loginstring = "<font size=1>".user_login_string($site)."</font>";
}
if (empty($CFG->langmenu)) {
$langmenu = "";
} else {
$currlang = current_language();
$langs = get_list_of_languages();
$langmenu = popup_form ("$CFG->wwwroot/index.php?lang=", $langs, "chooselang", $currlang, "", "", "", true);
}
print_header(strip_tags($site->fullname), "$site->fullname", "home", "",
"<meta name=\"description\" content=\"".s(strip_tags($site->summary))."\">",
true, "", "$loginstring$langmenu");
$editing = isediting($site->id);
$courseformat = COURSE_FORMAT_SITE;
// Doing this now so we can pass the results to block_action()
// and dodge the overhead of doing the same work twice.
$blocks = $site->blockinfo;
$delimpos = strpos($blocks, ':');
if($delimpos === false) {
// No ':' found, we have all left blocks
$leftblocks = explode(',', $blocks);
$rightblocks = array();
}
else if($delimpos === 0) {
// ':' at start of string, we have all right blocks
$blocks = substr($blocks, 1);
$leftblocks = array();
$rightblocks = explode(',', $blocks);
}
else {
// Both left and right blocks
$leftpart = substr($blocks, 0, $delimpos);
$rightpart = substr($blocks, $delimpos + 1);
$leftblocks = explode(',', $leftpart);
$rightblocks = explode(',', $rightpart);
}
if($editing) {
if (isset($_GET['blockaction'])) {
if (isset($_GET['blockid'])) {
block_action($site, $leftblocks, $rightblocks, strtolower($_GET['blockaction']), intval($_GET['blockid']));
}
}
// This has to happen after block_action() has possibly updated the two arrays
$allblocks = array_merge($leftblocks, $rightblocks);
$missingblocks = array();
$recblocks = get_records('blocks','visible','1');
// Note down which blocks are going to get displayed
blocks_used($allblocks, $recblocks);
if($editing && $recblocks) {
foreach($recblocks as $recblock) {
// If it's not hidden or displayed right now...
if(!in_array($recblock->id, $allblocks) && !in_array(-($recblock->id), $allblocks)) {
// And if it's applicable for display in this format...
if(block_method_result($recblock->name, 'applicable_formats') & $courseformat) {
// Add it to the missing blocks
$missingblocks[] = $recblock->id;
}
}
}
}
}
else {
// Note down which blocks are going to get displayed
$allblocks = array_merge($leftblocks, $rightblocks);
$recblocks = get_records('blocks','visible','1');
blocks_used($allblocks, $recblocks);
}
// If the block width cache is not set, set it
if(!isset($SESSION->blockcache->width->{$site->id}) || $editing) {
// This query might be optimized away if we 're in editing mode
if(!isset($recblocks)) {
$recblocks = get_records('blocks','visible','1');
}
$preferred_width_left = blocks_preferred_width($leftblocks, $recblocks);
$preferred_width_right = blocks_preferred_width($rightblocks, $recblocks);
// This may be kind of organizational overkill, granted...
// But is there any real need to simplify the structure?
$SESSION->blockcache->width->{$site->id}->left = $preferred_width_left;
$SESSION->blockcache->width->{$site->id}->right = $preferred_width_right;
}
else {
$preferred_width_left = $SESSION->blockcache->width->{$site->id}->left;
$preferred_width_right = $SESSION->blockcache->width->{$site->id}->right;
}
$preferred_width_left = min($preferred_width_left, BLOCK_L_MAX_WIDTH);
$preferred_width_left = max($preferred_width_left, BLOCK_L_MIN_WIDTH);
$preferred_width_right = min($preferred_width_right, BLOCK_R_MAX_WIDTH);
$preferred_width_right = max($preferred_width_right, BLOCK_R_MIN_WIDTH);
?>
<table width="100%" border="0" cellspacing="5" cellpadding="5">
<tr>
<?PHP
if(block_have_active($leftblocks) || $editing) {
echo '<td style="vertical-align: top; width: '.$preferred_width_left.'px;">';
print_course_blocks($site, $leftblocks, BLOCK_LEFT);
echo '</td>';
}
echo '<td style="vertical-align: top;">';
/// Print Section
if ($site->numsections > 0) {
print_simple_box_start('center', '100%', $THEME->cellcontent, 5, 'sitetopic');
/// If currently moving a file then show the current clipboard
if (ismoving($site->id)) {
$stractivityclipboard = strip_tags(get_string("activityclipboard", "", addslashes($USER->activitycopyname)));
echo "<p><font size=2>";
echo "$stractivityclipboard (<a href=\"course/mod.php?cancelcopy=true\">".get_string("cancel")."</a>)";
echo "</font></p>";
}
if (!$section = get_record('course_sections', 'course', $site->id, 'section', 1)) {
delete_records('course_sections', 'course', $site->id, 'section', 1); // Just in case
$section->course = $site->id;
$section->section = 1;
$section->summary = '';
$section->visible = 1;
$section->id = insert_record('course_sections', $section);
}
echo format_text($section->summary, FORMAT_HTML);
if ($editing) {
$streditsummary = get_string('editsummary');
echo "<a title=\"$streditsummary\" ".
" href=\"course/editsection.php?id=$section->id\"><img src=\"$CFG->pixpath/t/edit.gif\" ".
" height=11 width=11 border=0 alt=\"$streditsummary\"></a><br />";
}
echo '<br clear="all">';
get_all_mods($site->id, $mods, $modnames, $modnamesplural, $modnamesused);
print_section($site, $section, $mods, $modnamesused, true);
if ($editing) {
print_section_add_menus($site, $section->section, $modnames);
}
print_simple_box_end();
print_spacer(10);
}
switch ($CFG->frontpage) { /// Display the main part of the front page.
case FRONTPAGENEWS:
if (! $newsforum = forum_get_course_forum($site->id, "news")) {
error("Could not find or create a main news forum for the site");
}
if (isset($USER->id)) {
$SESSION->fromdiscussion = "$CFG->wwwroot";
if (forum_is_subscribed($USER->id, $newsforum->id)) {
$subtext = get_string("unsubscribe", "forum");
} else {
$subtext = get_string("subscribe", "forum");
}
$headertext = "<table border=0 width=100% cellpadding=0 cellspacing=0 class=headingblockcontent><tr>
<td>$newsforum->name</td>
<td align=right><font size=1>
<a href=\"mod/forum/subscribe.php?id=$newsforum->id\">$subtext</a>
</td></tr></table>";
} else {
$headertext = $newsforum->name;
}
print_heading_block($headertext);
print_spacer(8,1);
forum_print_latest_discussions($newsforum->id, $site->newsitems);
break;
case FRONTPAGECOURSELIST:
case FRONTPAGECATEGORYNAMES:
if (isset($USER->id) and !isset($USER->admin)) {
print_heading_block(get_string("mycourses"));
print_spacer(8,1);
print_my_moodle();
} else {
if (count_records("course_categories") > 1) {
if ($CFG->frontpage == FRONTPAGECOURSELIST) {
print_heading_block(get_string("availablecourses"));
} else {
print_heading_block(get_string("categories"));
}
print_spacer(8,1);
print_simple_box_start("center", "100%");
print_whole_category_list();
print_simple_box_end();
print_course_search("", false, "short");
} else {
print_heading_block(get_string("availablecourses"));
print_spacer(8,1);
print_courses(0, "100%");
}
}
break;
}
echo '</td>';
if(block_have_active($rightblocks) || $editing || isadmin()) {
echo '<td style="vertical-align: top; width: '.$preferred_width_right.'px;">';
if (isadmin()) {
echo '<div align="center">'.update_course_icon($site->id).'</div>';
echo '<br />';
}
print_course_blocks($site, $rightblocks, BLOCK_RIGHT);
if ($editing && !empty($missingblocks)) {
block_print_blocks_admin($site, $missingblocks);
}
echo '</td>';
}
?>
</tr>
</table>
<?PHP print_footer('home'); // Please do not modify this line ?>