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431 lines
14 KiB
431 lines
14 KiB
<?php // $Id: 2column.php,v 1.5 2006/08/10 14:34:54 pcool Exp $
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/*
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==============================================================================
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Dokeos - elearning and course management software
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Copyright (c) 2004-2005 Dokeos S.A.
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Copyright (c) 2003 Ghent University
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Copyright (c) 2001 Universite Catholique de Louvain
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Copyright (c) various contributors
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For a full list of contributors, see "credits.txt".
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The full license can be read in "license.txt".
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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See the GNU General Public License for more details.
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Contact address: Dokeos, 44 rue des palais, B-1030 Brussels, Belgium
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Mail: info@dokeos.com
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==============================================================================
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*/
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/**
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==============================================================================
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* HOME PAGE FOR EACH COURSE
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*
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* This page, included in every course's index.php is the home
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* page. To make administration simple, the teacher edits his
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* course from the home page. Only the login detects that the
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* visitor is allowed to activate, deactivate home page links,
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* access to the teachers tools (statistics, edit forums...).
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*
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* @package dokeos.course_home
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==============================================================================
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*/
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/*
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==============================================================================
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FUNCTIONS
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==============================================================================
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*/
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/**
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* Displays the tools of a certain category.
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*
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* @return void
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* @param string $course_tool_category contains the category of tools to display:
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* "Public", "PublicButHide", "courseAdmin", "claroAdmin"
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*/
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function show_tools($course_tool_category)
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{
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global $charset;
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$web_code_path = api_get_path(WEB_CODE_PATH);
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$course_tool_table = Database::get_course_table(TABLE_TOOL_LIST);
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switch ($course_tool_category)
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{
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case TOOL_PUBLIC:
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$result = api_sql_query("SELECT * FROM $course_tool_table WHERE visibility=1 ORDER BY id",__FILE__,__LINE__);
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$colLink ="##003399";
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break;
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case TOOL_PUBLIC_BUT_HIDDEN:
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$result = api_sql_query("SELECT * FROM $course_tool_table WHERE visibility=0 AND admin=0 ORDER BY id",__FILE__,__LINE__);
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$colLink ="##808080";
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break;
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case TOOL_COURSE_ADMIN:
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$result = api_sql_query("SELECT * FROM $course_tool_table WHERE admin=1 AND visibility != 2 ORDER BY id",__FILE__,__LINE__);
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$colLink ="##003399";
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break;
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case TOOL_PLATFORM_ADMIN:
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$result = api_sql_query("SELECT * FROM $course_tool_table WHERE visibility = 2 ORDER BY id",__FILE__,__LINE__);
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$colLink ="##003399";
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}
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$i=0;
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// grabbing all the tools from $course_tool_table
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while ($temp_row = mysql_fetch_array($result))
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{
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if($course_tool_category == TOOL_PUBLIC_BUT_HIDDEN && $temp_row['image'] != 'scormbuilder.gif')
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{
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$temp_row['image']=str_replace('.gif','_na.gif',$temp_row['image']);
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}
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$all_tools_list[]=$temp_row;
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}
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// grabbing all the links that have the property on_homepage set to 1
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$course_link_table = Database::get_course_table(TABLE_LINK);
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$course_item_property_table = Database::get_course_table(TABLE_ITEM_PROPERTY);
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switch ($course_tool_category)
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{
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case TOOL_PUBLIC:
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$sql_links="SELECT tl.*, tip.visibility
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FROM $course_link_table tl
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LEFT JOIN $course_item_property_table tip ON tip.tool='link' AND tip.ref=tl.id
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WHERE tl.on_homepage='1' AND tip.visibility = 1";
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break;
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case TOOL_PUBLIC_BUT_HIDDEN:
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$sql_links="SELECT tl.*, tip.visibility
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FROM $course_link_table tl
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LEFT JOIN $course_item_property_table tip ON tip.tool='link' AND tip.ref=tl.id
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WHERE tl.on_homepage='1' AND tip.visibility = 0";
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break;
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default:
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$sql_links = null;
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break;
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}
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if( $sql_links != null )
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{
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$properties = array();
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$result_links=api_sql_query($sql_links,__FILE__,__LINE__);
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while ($links_row=mysql_fetch_array($result_links))
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{
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unset($properties);
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$properties['name']=$links_row['title'];
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$properties['link']=$links_row['url'];
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$properties['visibility']=$links_row['visibility'];
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$properties['image']=($course_tool_category == TOOL_PUBLIC_BUT_HIDDEN)?"external_na.gif":"external.gif";
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$properties['adminlink']=api_get_path(WEB_CODE_PATH)."link/link.php?action=editlink&id=".$links_row['id'];
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$all_tools_list[]=$properties;
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}
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}
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if (isset($all_tools_list))
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{
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$lnk = array();
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foreach ($all_tools_list as $toolsRow)
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{
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if (!($i%2))
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{
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echo "<tr valign=\"top\">\n";
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}
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// NOTE : table contains only the image file name, not full path
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if(!stristr($toolsRow['link'],'http://') && !stristr($toolsRow['link'],'https://') && !stristr($toolsRow['link'],'ftp://'))
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{
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$toolsRow['link']=$web_code_path.$toolsRow['link'];
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}
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if ($course_tool_category == TOOL_PUBLIC_BUT_HIDDEN)
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{
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$class="class=\"invisible\"";
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}
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$qm_or_amp = ((strpos($toolsRow['link'],'?')===FALSE)?'?':'&');
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$toolsRow['link'] = $toolsRow['link'];
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echo '<td width="50%" height="30">';
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if(strpos($toolsRow['name'],'chat')!==false && api_get_course_setting('allow_open_chat_window')==true)
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{
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echo '<a href="#" onclick="window.open(\'' . htmlspecialchars($toolsRow['link']) .(($toolsRow['image']=="external.gif" || $toolsRow['image']=="external_na.gif") ? '' : $qm_or_amp.api_get_cidreq()). '\',\'window_chat'.$_SESSION['_cid'].'\',config=\'height=\'+380+\', width=\'+625+\', left=2, top=2, toolbar=no, menubar=no, scrollbars=yes, resizable=yes, location=no, directories=no, status=no\')" target="' . $toolsRow['target'] . '"'.$class.'>';
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}
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else
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{
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echo '<a href="'. htmlspecialchars($toolsRow['link']).(($toolsRow['image']=="external.gif" || $toolsRow['image']=="external_na.gif") ? '' : $qm_or_amp.api_get_cidreq()).'" target="' , $toolsRow['target'], '" '.$class.'>';
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}
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echo Display::return_icon($toolsRow['image'], get_lang(ucfirst($toolsRow['name']))),' ', ($toolsRow['image']=="external.gif" || $toolsRow['image']=="external_na.gif" || $toolsRow['image']=="scormbuilder.gif" || $toolsRow['image']=="blog.gif") ? htmlspecialchars( $toolsRow['name'],ENT_QUOTES,$charset) : get_lang(ucfirst($toolsRow['name'])),'</a>';
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// This part displays the links to hide or remove a tool.
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// These links are only visible by the course manager.
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unset($lnk);
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if (api_is_allowed_to_edit())
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{
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if ($toolsRow["visibility"] == '1')
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{
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$link['name'] = Display::return_icon('remove.gif', get_lang('Deactivate'));
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$link['cmd'] = "hide=yes";
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$lnk[] = $link;
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}
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if ($course_tool_category == TOOL_PUBLIC_BUT_HIDDEN)
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{
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$link['name'] = Display::return_icon('add.gif', get_lang('Activate'));
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$link['cmd'] = "restore=yes";
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$lnk[] = $link;
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if($toolsRow["added_tool"] == 1)
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{
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$link['name'] = Display::return_icon('delete.gif', get_lang('Remove'));
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$link['cmd'] = "remove=yes";
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$lnk[] = $link;
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}
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}
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if ($toolsRow['adminlink'])
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{
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echo '<a href="'.$toolsRow['adminlink'].'">'.Display::return_icon('edit.gif', get_lang('Edit')).'</a>';
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//echo "edit link:".$properties['adminlink'];
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}
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}
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if ( api_is_platform_admin() )
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{
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if ($toolsRow["visibility"]==2)
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{
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$link['name'] = Display::return_icon('undelete.gif', get_lang('Activate'));
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$link['cmd'] = "hide=yes";
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$lnk[] = $link;
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if($toolsRow["added_tool"] == 1)
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{
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$link['name'] = get_lang("Delete");
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$link['cmd'] = "askDelete=yes";
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$lnk[] = $link;
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}
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}
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if ($toolsRow["visibility"] == 0 && $toolsRow["added_tool"] == 0)
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{
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$link['name'] = Display::return_icon('delete.gif', get_lang('Remove'));
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$link['cmd'] = "remove=yes";
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$lnk[] = $link;
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}
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}
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if (is_array($lnk))
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{
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foreach($lnk as $this_link)
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{
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if (!$toolsRow['adminlink'])
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{
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echo "<a href=\"" .api_get_self(). "?".api_get_cidreq()."&id=" . $toolsRow["id"] . "&" . $this_link['cmd'] . "\">" . $this_link['name'] . "</a>";
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}
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}
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}
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// Allow editing of invisible homepage links (modified external_module)
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if ($toolsRow["added_tool"] == 1 &&
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api_is_allowed_to_edit() && !$toolsRow["visibility"])
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echo "<a class=\"nobold\" href=\"" . api_get_path(WEB_PATH) .
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'main/external_module/external_module.php' .
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"?".api_get_cidreq()."&id=".$toolsRow["id"]."\">". get_lang("Edit"). "</a>";
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echo "</td>\n";
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if($i%2)
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{
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echo "</tr>\n";
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}
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$i++;
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}
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}
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if($i%2)
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{
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echo "<td width=\"50%\"> </td>\n",
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"</tr>\n";
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}
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}
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/*
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==============================================================================
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MAIN CODE
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==============================================================================
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*/
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/*
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-----------------------------------------------------------
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Work with data post askable by admin of course (franglais, clean this)
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-----------------------------------------------------------
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*/
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if (api_is_allowed_to_edit())
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{
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/* Work request */
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/*
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-----------------------------------------------------------
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Modify home page
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-----------------------------------------------------------
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*/
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/*
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* display message to confirm that a tool must be hidden from the list of available tools
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* (visibility 0,1->2)
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*/
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if($_GET["remove"])
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{
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$msgDestroy=get_lang('DelLk').'<br />';
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$msgDestroy.='<a href="'.api_get_self().'">'.get_lang('No').'</a> | ';
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$msgDestroy.='<a href="'.api_get_self().'?destroy=yes&id='.$_GET["id"].'">'.get_lang('Yes').'</a>';
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Display :: display_confirmation_message($msgDestroy);
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}
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/*
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* Process hiding a tools from available tools.
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* visibility=2 are only view by Dokeos Administrator (visibility 0,1->2)
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*/
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elseif ($_GET["destroy"])
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{
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api_sql_query("UPDATE $tool_table SET visibility='2' WHERE id='".$_GET["id"]."'",__FILE__,__LINE__);
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}
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/*
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-----------------------------------------------------------
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HIDE
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-----------------------------------------------------------
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*/
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elseif ($_GET["hide"]) // visibility 1 -> 0
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{
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api_sql_query("UPDATE $tool_table SET visibility=0 WHERE id='".$_GET["id"]."'",__FILE__,__LINE__);
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Display::display_confirmation_message(get_lang('ToolIsNowHidden'));
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}
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/*
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-----------------------------------------------------------
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REACTIVATE
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-----------------------------------------------------------
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*/
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elseif ($_GET["restore"]) // visibility 0,2 -> 1
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{
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api_sql_query("UPDATE $tool_table SET visibility=1 WHERE id='".$_GET["id"]."'",__FILE__,__LINE__);
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Display::display_confirmation_message(get_lang('ToolIsNowVisible'));
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}
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}
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// work with data post askable by admin of course
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if (api_is_platform_admin())
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{
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// Show message to confirm that a tools must be hide from available tools
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// visibility 0,1->2
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if($_GET["askDelete"])
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{
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?>
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<div id="toolhide">
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<?php echo get_lang("DelLk"); ?>
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<br />
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<a href="<?php echo api_get_self(); ?>"><?php echo get_lang("No"); ?></a> |
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<a href="<?php echo api_get_self(); ?>?delete=yes&id=<?php echo $_GET["id"]; ?>"><?php echo get_lang("Yes"); ?></a>
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</div>
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<?php
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}
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/*
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* Process hiding a tools from available tools.
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* visibility=2 are only view by Dokeos Administrator visibility 0,1->2
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*/
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elseif (isset($_GET["delete"]) && $_GET["delete"])
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{
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api_sql_query("DELETE FROM $tool_table WHERE id='$id' AND added_tool=1",__FILE__,__LINE__);
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}
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}
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/*
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==============================================================================
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TOOLS VISIBLE FOR EVERYBODY
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==============================================================================
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*/
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echo "<div class=\"everybodyview\">";
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echo "<table width=\"100%\">";
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show_tools(TOOL_PUBLIC);
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echo "</table>";
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echo "</div>";
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/*
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==============================================================================
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COURSE ADMIN ONLY VIEW
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==============================================================================
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*/
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// start of tools for CourseAdmins (teachers/tutors)
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if (api_is_allowed_to_edit())
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{
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echo "<div class=\"courseadminview\">";
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echo "<span class=\"viewcaption\">";
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echo get_lang("CourseAdminOnly");
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echo "</span>";
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echo "<table width=\"100%\">";
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show_tools(TOOL_COURSE_ADMIN);
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/*
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-----------------------------------------------------------
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INACTIVE TOOLS - HIDDEN (GREY) LINKS
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-----------------------------------------------------------
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*/
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echo "<tr><td colspan=\"4\"><hr style='color:\"#4171B5\"' noshade=\"noshade\" size=\"1\" /></td></tr>\n",
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"<tr>\n",
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"<td colspan=\"4\">\n",
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"<div style=\"margin-bottom: 10px;\"><font color=\"#808080\">\n",get_lang("InLnk"),"</font></div>",
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"</td>\n",
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"</tr>\n";
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show_tools(TOOL_PUBLIC_BUT_HIDDEN);
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echo "</table>";
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echo "</div> ";
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}
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/*
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-----------------------------------------------------------
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Tools for platform admin only
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-----------------------------------------------------------
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*/
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if (api_is_platform_admin() && api_is_allowed_to_edit())
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{
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?>
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<div class="platformadminview">
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<span class="viewcaption"><?php echo get_lang("PlatformAdminOnly"); ?></span>
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<table width="100%">
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<?php
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show_tools(TOOL_PLATFORM_ADMIN);
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?>
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</table>
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</div>
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<?php
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}
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?>
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