File Source for activity.php

<?php // $Id: activity.php,v 1.5 2006/08/10 14:34:54 pcool Exp $
/*
==============================================================================
Dokeos - elearning and course management software
Copyright (c) 2004-2005 Dokeos S.A.
Copyright (c) 2003 Ghent University
Copyright (c) 2001 Universite Catholique de Louvain
Copyright (c) various contributors
For a full list of contributors, see "credits.txt".
The full license can be read in "license.txt".
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
See the GNU General Public License for more details.
Contact address: Dokeos, 44 rue des palais, B-1030 Brussels, Belgium
Mail: info@dokeos.com
==============================================================================
*/
/**
==============================================================================
* HOME PAGE FOR EACH COURSE
*
* This page, included in every course's index.php is the home
* page. To make administration simple, the teacher edits his
* course from the home page. Only the login detects that the
* visitor is allowed to activate, deactivate home page links,
* access to the teachers tools (statistics, edit forums...).
*
* @package dokeos.course_home
==============================================================================
*/
/*
==============================================================================
FUNCTIONS
==============================================================================
*/
/**
* Displays the tools of a certain category.
*
* @return void
* @param string $course_tool_category contains the category of tools to display:
* "toolauthoring", "toolinteraction", "tooladmin", "tooladminplatform"
*/
function show_tools_category($course_tool_category)
{
$web_code_path = api_get_path(WEB_CODE_PATH);
$course_tool_table = Database::get_course_table(TABLE_TOOL_LIST);
$is_allowed_to_edit = api_is_allowed_to_edit();
$is_platform_admin = api_is_platform_admin();
switch ($course_tool_category)
{
case TOOL_STUDENT_VIEW:
$result = api_sql_query("SELECT * FROM $course_tool_table WHERE visibility = '1' AND (category = 'authoring' OR category = 'interaction') ORDER BY id",__FILE__,__LINE__);
$colLink ="##003399";
break;
case TOOL_AUTHORING:
$result = api_sql_query("SELECT * FROM $course_tool_table WHERE category = 'authoring' ORDER BY id",__FILE__,__LINE__);
$colLink ="##003399";
break;
case TOOL_INTERACTION:
$result = api_sql_query("SELECT * FROM $course_tool_table WHERE category = 'interaction' ORDER BY id",__FILE__,__LINE__);
$colLink ="##003399";
break;
case TOOL_ADMIN_VISIBLE:
$result = api_sql_query("SELECT * FROM $course_tool_table WHERE category = 'admin' AND visibility ='1' ORDER BY id",__FILE__,__LINE__);
$colLink ="##003399";
break;
case TOOL_ADMIN_PLATEFORM:
$result = api_sql_query("SELECT * FROM $course_tool_table WHERE category = 'admin' ORDER BY id",__FILE__,__LINE__);
$colLink ="##003399";
break;
}
while ($temp_row = Database::fetch_array($result))
{
$all_tools_list[]=$temp_row;
}
if(api_is_course_coach())
{
$result = api_sql_query("SELECT * FROM $course_tool_table WHERE name='tracking'",__FILE__,__LINE__);
$all_tools_list[]=Database :: fetch_array($result);
}
$i=0;
// grabbing all the links that have the property on_homepage set to 1
$course_link_table = Database::get_course_table(TABLE_LINK);
$course_item_property_table = Database::get_course_table(TABLE_ITEM_PROPERTY);
switch ($course_tool_category)
{
case TOOL_AUTHORING:
$sql_links="SELECT tl.*, tip.visibility
FROM $course_link_table tl
LEFT JOIN $course_item_property_table tip ON tip.tool='link' AND tip.ref=tl.id
WHERE tl.on_homepage='1'";
break;
case TOOL_INTERACTION:
$sql_links = null;
/*
$sql_links="SELECT tl.*, tip.visibility
FROM $course_link_table tl
LEFT JOIN $course_item_property_table tip ON tip.tool='link' AND tip.ref=tl.id
WHERE tl.on_homepage='1' ";
*/
break;
case TOOL_STUDENT_VIEW:
$sql_links="SELECT tl.*, tip.visibility
FROM $course_link_table tl
LEFT JOIN $course_item_property_table tip ON tip.tool='link' AND tip.ref=tl.id
WHERE tl.on_homepage='1'";
break;
case TOOL_ADMIN:
$sql_links="SELECT tl.*, tip.visibility
FROM $course_link_table tl
LEFT JOIN $course_item_property_table tip ON tip.tool='link' AND tip.ref=tl.id
WHERE tl.on_homepage='1'";
break;
default:
$sql_links = null;
break;
}
//edit by Kevin Van Den Haute (kevin@develop-it.be) for integrating Smartblogs
if($sql_links != null)
{
$result_links = api_sql_query($sql_links,__FILE__,__LINE__);
$properties = array();
while($links_row = Database::fetch_array($result_links))
{
unset($properties);
$properties['name'] = $links_row['title'];
$properties['link'] = $links_row['url'];
$properties['visibility'] = $links_row['visibility'];
$properties['image'] = ($links_row['visibility']== '0') ? "file_html.gif" : "file_html.gif";
$properties['adminlink'] = api_get_path(WEB_CODE_PATH) . "link/link.php?action=editlink&id=".$links_row['id'];
$tmp_all_tools_list[] = $properties;
}
}
if(isset($tmp_all_tools_list))
{
foreach($tmp_all_tools_list as $toolsRow)
{
if($toolsRow['image'] == 'blog.gif')
{
// Init
$tbl_blogs_rel_user = Database::get_course_table(TABLE_BLOGS_REL_USER);
// Get blog id
$blog_id = substr($toolsRow['link'], strrpos($toolsRow['link'], '=') + 1, strlen($toolsRow['link']));
// Get blog members
if($is_platform_admin)
{
$sql_blogs = "
SELECT *
FROM " . $tbl_blogs_rel_user . " `blogs_rel_user`
WHERE `blog_id` = " . $blog_id;
}
else
{
$sql_blogs = "
SELECT *
FROM " . $tbl_blogs_rel_user . " `blogs_rel_user`
WHERE
`blog_id` = " . $blog_id . " AND
`user_id` = " . api_get_user_id();
}
$result_blogs = api_sql_query($sql_blogs, __FILE__, __LINE__);
if(Database::num_rows($result_blogs) > 0)
$all_tools_list[] = $toolsRow;
}
else
$all_tools_list[] = $toolsRow;
}
}
if(isset($all_tools_list))
{
$lnk = '';
foreach($all_tools_list as $toolsRow)
{
if(!($i%2))
{echo "<tr valign=\"top\">\n";}
// This part displays the links to hide or remove a tool.
// These links are only visible by the course manager.
unset($lnk);
echo '<td width="50%">' . "\n";
if($is_allowed_to_edit)
{
if($toolsRow['visibility'] == '1' && $toolsRow['admin'] !='1')
{
$link['name'] = '<img src="'.api_get_path(WEB_CODE_PATH).'img/visible.gif" align="absmiddle" alt="'.get_lang("Deactivate").'"/>';
$link['cmd'] = "hide=yes";
$lnk[] = $link;
}
if($toolsRow['visibility'] == '0' && $toolsRow['admin'] !='1')
{
$link['name'] = '<img src="'.api_get_path(WEB_CODE_PATH).'img/invisible.gif" align="absmiddle" alt="'.get_lang("Activate").'"/>';
$link['cmd'] = "restore=yes";
$lnk[] = $link;
}
if(!empty($toolsRow['adminlink']))
{
echo '<a href="'.$toolsRow['adminlink'].'"><img src="'.api_get_path(WEB_CODE_PATH).'img/edit.gif" align="absmiddle" alt="'.get_lang("Edit").'"/></a>';
}
}
// Both checks are necessary as is_platform_admin doesn't take student view into account
if( $is_platform_admin && $is_allowed_to_edit)
{
if($toolsRow['admin'] !='1')
{
$link['cmd'] = "hide=yes";
}
}
if(isset($lnk) && is_array($lnk))
{
foreach($lnk as $this_link)
{
if(empty($toolsRow['adminlink']))
{
echo "<a href=\"" .api_get_self(). "?".api_get_cidreq()."&id=" . $toolsRow["id"] . "&" . $this_link['cmd'] . "\">" . $this_link['name'] . "</a>";
}
}
}
else{ echo '    ';}
// NOTE : table contains only the image file name, not full path
if(!stristr($toolsRow['link'], 'http://') && !stristr($toolsRow['link'], 'https://') && !stristr($toolsRow['link'],'ftp://'))
$toolsRow['link'] = $web_code_path . $toolsRow['link'];
if($toolsRow['visibility'] == '0' && $toolsRow['admin'] != '1')
{
$class="class=\"invisible\"";
$info = pathinfo($toolsRow['image']);
$basename = basename ($toolsRow['image'],'.'.$info['extension']); // $file is set to "index"
$toolsRow['image'] = $basename.'_na.'.$info['extension'];
}
else
$class='';
$qm_or_amp = ((strpos($toolsRow['link'], '?') === FALSE) ? '?' : '&');
//If it's a link, we don't add the cidReq
if($toolsRow['image'] == 'file_html.gif' || $toolsRow['image'] == 'file_html_na.gif'){
$toolsRow['link'] = $toolsRow['link'].$qm_or_amp;
}
else{
$toolsRow['link'] = $toolsRow['link'].$qm_or_amp.api_get_cidreq();
}
if(strpos($toolsRow['name'],'visio_')!==false){
echo "\t" . ' &nbsp <a ' . $class . ' href="#" onclick="window.open(\'' . htmlspecialchars($toolsRow['link']) . '\',\'window_visio\',config=\'height=\'+730+\', width=\'+1020+\', left=2, top=2, toolbar=no, menubar=no, scrollbars=yes, resizable=yes, location=no, directories=no, status=no\')" target="' . $toolsRow['target'] . '">  ';
}
else {
echo "\t" . ' &nbsp <a ' . $class . ' href="' . htmlspecialchars($toolsRow['link']) . '" target="' . $toolsRow['target'] . '">  ';
}
echo '<img src="' . $web_code_path . 'img/' . $toolsRow['image'] . '" align="absmiddle" border="0" alt="' . $toolsRow['image'] . '" />   ';
echo ($toolsRow['image'] == 'file_html_na.gif' || $toolsRow['image'] == 'file_html.gif' || $toolsRow['image'] == 'scormbuilder.gif' || $toolsRow['image'] == 'scormbuilder_na.gif' || $toolsRow['image'] == 'blog.gif' || $toolsRow['image'] == 'blog_na.gif' || $toolsRow['image'] == 'external.gif' || $toolsRow['image'] == 'external_na.gif') ? ' '.stripslashes($toolsRow['name']) : ' '.get_lang(ucfirst($toolsRow['name']));
echo "\t" . '</a>';
echo '</td>';
if($i%2)
{
echo "</tr>";
}
$i++;
}
}
if($i%2)
{
echo "<td width=\"50%\"> </td>\n",
"</tr>\n";
}
}
//End of functions show tools
/*
==============================================================================
MAIN CODE
==============================================================================
*/
/*
-----------------------------------------------------------
Work with data post askable by admin of course (franglais, clean this)
-----------------------------------------------------------
*/
if(api_is_allowed_to_edit())
{
/*
-----------------------------------------------------------
HIDE
-----------------------------------------------------------
*/
if(!empty($_GET['hide'])) // visibility 1 -> 0
{
api_sql_query("UPDATE $tool_table SET visibility=0 WHERE id='".$_GET["id"]."'",__FILE__,__LINE__);
Display::display_confirmation_message(get_lang('ToolIsNowHidden'));
}
/*
-----------------------------------------------------------
REACTIVATE
-----------------------------------------------------------
*/
elseif(!empty($_GET['restore'])) // visibility 0,2 -> 1
{
api_sql_query("UPDATE $tool_table SET visibility=1 WHERE id='".$_GET["id"]."'",__FILE__,__LINE__);
Display::display_confirmation_message(get_lang('ToolIsNowVisible'));
}
}
// work with data post askable by admin of course
if(api_is_platform_admin())
{
// Show message to confirm that a tools must be hide from available tools
// visibility 0,1->2
if(!empty($_GET['askDelete']))
{
?>
<div id="toolhide">
<?php echo get_lang("DelLk")?>
<br />   
<a href="<?php echo api_get_self()?>"><?php echo get_lang("No")?></a> | 
<a href="<?php echo api_get_self()?>?delete=yes&id=<?php echo $_GET["id"]?>"><?php echo get_lang("Yes")?></a>
</div>
<?php
}
/*
* Process hiding a tools from available tools.
*/
elseif(isset($_GET["delete"]) && $_GET["delete"])
{
api_sql_query("DELETE FROM $tool_table WHERE id='$id' AND added_tool=1",__FILE__,__LINE__);
}
}
/*
==============================================================================
COURSE ADMIN ONLY VIEW
==============================================================================
*/
// start of tools for CourseAdmins (teachers/tutors)
if(api_is_allowed_to_edit())
{
?>
<div class="courseadminview">
<span class="viewcaption"><?php echo get_lang("Authoring") ?></span>
<table width="100%">
<?php show_tools_category(TOOL_AUTHORING);?>
</table>
</div>
<div class="courseadminview">
<span class="viewcaption"><?php echo get_lang("Interaction") ?></span>
<table width="100%">
<?php show_tools_category(TOOL_INTERACTION); ?>
</table>
</div>
<div class="courseadminview">
<span class="viewcaption"><?php echo get_lang("Administration") ?></span>
<table width="100%">
<?php show_tools_category(TOOL_ADMIN_PLATEFORM); ?>
</table>
</div>
<?php
}
/*
==============================================================================
TOOLS AUTHORING
==============================================================================
*/
else{
?>
<div class="Authoringview">
<table width="100%">
<?php show_tools_category(TOOL_STUDENT_VIEW); ?>
</table>
</div>
<?php
}
?>

Source for file activity.php