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567 lines
21 KiB
567 lines
21 KiB
<?php
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/*
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DOKEOS - elearning and course management software
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For a full list of contributors, see documentation/credits.html
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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 "documentation/licence.html" more details.
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Contact:
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Dokeos
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Rue des Palais 44 Paleizenstraat
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B-1030 Brussels - Belgium
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Tel. +32 (2) 211 34 56
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*/
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/**
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* @package dokeos.studentpublications
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* @author Thomas, Hugues, Christophe - original version
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University - ability for course admins to specify wether uploaded documents are visible or invisible by default.
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* @author Roan Embrechts, code refactoring and virtual course support
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* @author Frederic Vauthier, directories management
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* @version $Id: $
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*/
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/**
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* Displays action links (for admins, authorized groups members and authorized students)
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* @param string Current dir
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* @param integer Whether to show tool options
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* @param integer Whether to show upload form option
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* @return void
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*/
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function display_action_links($cur_dir_path, $always_show_tool_options, $always_show_upload_form)
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{
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$display_output = "";
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if (! $always_show_upload_form )
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{
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$display_output .= "<a href=\"".$_SERVER['PHP_SELF']."?curdirpath=".$cur_dir_path."&display_upload_form=true\">".Display::return_icon('submit_file.gif')." ". get_lang("UploadADocument") . "</a> ";
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}
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if (! $always_show_tool_options && api_is_allowed_to_edit() )
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{
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$display_output .= "<a href=\"".$_SERVER['PHP_SELF']."?curdirpath=".$cur_dir_path."&display_tool_options=true\">".Display::return_icon('acces_tool.gif').' ' . get_lang("EditToolOptions") . "</a> ";
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}
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if ($display_output != "")
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{
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echo $display_output;
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}
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}
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/**
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* Displays all options for this tool.
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* These are
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* - make all files visible / invisible
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* - set the default visibility of uploaded files
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*
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* @param $uploadvisibledisabled
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* @param $origin
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*/
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function display_tool_options($uploadvisibledisabled, $origin)
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{
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$is_allowed_to_edit = api_is_allowed_to_edit();
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$work_table = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
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if (! $is_allowed_to_edit) return;
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echo "<table cellpadding=\"5\" cellspacing=\"2\" border=\"0\">\n";
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echo "<tr>\n",
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"<td colspan=\"2\">\n",
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"<table cellspacing=\"0\" cellpadding=\"5\" border=\"1\" bordercolor\"gray\">\n",
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"<tr>\n",
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"<td>",
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get_lang('AllFiles')." : ",
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"<a href=\"".$_SERVER['PHP_SELF']."?".api_get_cidreq()."&curdirpath=".$cur_dir_path."&origin=$origin&delete=all\" ",
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"onclick=\"javascript:if(!confirm('".addslashes(htmlentities(get_lang('ConfirmYourChoice')))."')) return false;\">",
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"<img src=\"../img/delete.gif\" border=\"0\" alt=\"".get_lang('Delete')."\" align=\"absmiddle\">",
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"</a>",
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" ";
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$sql_query = "SHOW COLUMNS FROM ".$work_table." LIKE 'accepted'";
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$sql_result = api_sql_query($sql_query,__FILE__,__LINE__);
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if ($sql_result)
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{
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$columnStatus = mysql_fetch_array($sql_result);
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if ($columnStatus['Default'] == 1)
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{
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echo "<a href=\"".$_SERVER['PHP_SELF']."?".api_get_cidreq()."&curdirpath=".$cur_dir_path."&origin=$origin&make_invisible=all\">",
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"<img src=\"../img/visible.gif\" border=\"0\" alt=\"".get_lang('Invisible')."\" align=\"absmiddle\">",
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"</a>\n";
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}
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else
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{
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echo "<a href=\"".$_SERVER['PHP_SELF']."?".api_get_cidreq()."&curdirpath=".$cur_dir_path."&origin=$origin&make_visible=all\">",
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"<img src=\"../img/invisible.gif\" border=\"0\" alt=\"".get_lang('Visible')."\" align=\"absmiddle\">",
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"</a>\n";
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}
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}
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echo "</td></tr>";
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display_default_visibility_form($uploadvisibledisabled, $origin);
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echo '</table>';
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echo '</td></tr><tr><td>';
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/*
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==============================================================================
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Display directories list
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==============================================================================
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*/
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//$folders = DocumentManager::get_all_document_folders($_course,$to_group_id,$is_allowed_to_edit || $group_member_with_upload_rights);
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if($cur_dir_path=='/'){$my_cur_dir_path='';}else{$my_cur_dir_path=$cur_dir_path;}
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$folders = get_subdirs_list($base_work_dir,1);
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echo '<div id="folderselector">';
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echo(build_directory_selector($folders,$cur_dir_path,''));
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echo '</div>';
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echo '</td></tr><tr><td>';
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if ($cur_dir_path!= '/' && $cur_dir_path!=$group_properties['directory'])
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{
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echo '<a href="'.$_SERVER['PHP_SELF'].'?'.api_get_cidreq().'&curdirpath='.urlencode((dirname($cur_dir_path)=='\\')?'/':dirname($cur_dir_path)).'">'.
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'<img src="../img/parent.gif" border="0" align="absbottom" hspace="5" alt="" />'.
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get_lang("Up").'</a> '."\n";
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}
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echo '<!-- create directory -->' .
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'<a href="'.$_SERVER['PHP_SELF'].'?'.api_get_cidreq().'&curdirpath='.$cur_dir_path.'&createdir=1"><img src="../img/new_folder.gif" border="0" align="absmiddle" alt ="" /></a>'.
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'<a href="'.$_SERVER['PHP_SELF'].'?'.api_get_cidreq().'&curdirpath='.$cur_dir_path.'&createdir=1">'.get_lang("CreateDir").'</a> '."\n";
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echo "</td></tr></table>";
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}
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/**
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* Displays the form where course admins can specify wether uploaded documents
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* are visible or invisible by default.
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*
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* @param $uploadvisibledisabled
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* @param $origin
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*/
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function display_default_visibility_form($uploadvisibledisabled, $origin)
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{
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?>
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<form method="post" action="<?php echo $_SERVER['PHP_SELF']."?origin=$origin"; ?>">
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<tr><td align="left">
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<strong><?php echo get_lang("_default_upload"); ?><br /></strong>
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<input class="checkbox" type="radio" name="uploadvisibledisabled" value="0"
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<?php if($uploadvisibledisabled==0) echo "checked"; ?>>
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<?php echo get_lang("_new_visible");?><br />
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<input class="checkbox" type="radio" name="uploadvisibledisabled" value="1"
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<?php if($uploadvisibledisabled==1) echo "checked"; ?>>
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<?php echo get_lang("_new_unvisible"); ?><br />
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<input type="submit" name="changeProperties" value="<?php echo get_lang("Ok"); ?>">
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</td></tr>
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</form>
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<?php
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}
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/**
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* Display the list of student publications, taking into account the user status
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*
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* @param $currentCourseRepositoryWeb, the web location of the course folder
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* @param $link_target_parameter - should there be a target parameter for the links
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* @param $dateFormatLong - date format
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* @param $origin - typically empty or 'learnpath'
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*/
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function display_student_publications_list($work_dir,$sub_course_dir,$currentCourseRepositoryWeb, $link_target_parameter, $dateFormatLong, $origin)
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{
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//init
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$work_table = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
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$iprop_table = Database::get_course_table(TABLE_ITEM_PROPERTY);
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$is_allowed_to_edit = api_is_allowed_to_edit();
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$user_id = api_get_user_id();
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$publications_list = array();
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$sort_params = array();
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if( isset($_GET['column']))
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{
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$sort_params[] = 'column='.$_GET['column'];
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}
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if( isset($_GET['page_nr']))
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{
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$sort_params[] = 'page_nr='.$_GET['page_nr'];
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}
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if( isset($_GET['per_page']))
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{
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$sort_params[] = 'per_page='.$_GET['per_page'];
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}
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if( isset($_GET['direction']))
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{
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$sort_params[] = 'direction='.$_GET['direction'];
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}
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$sort_params = implode('&',$sort_params);
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if(substr($sub_course_dir,-1,1)!='/' && !empty($sub_course_dir)){$sub_course_dir = $sub_course_dir.'/';}
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if($sub_course_dir == '/'){$sub_course_dir='';}
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//Get list from database
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if($is_allowed_to_edit)
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{
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$sql_get_publications_list = "SELECT * " .
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"FROM ".$work_table." " .
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"WHERE url LIKE '$sub_course_dir%' " .
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"AND url NOT LIKE '$sub_course_dir%/%' " .
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"ORDER BY id";
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}
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else
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{
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if (!empty($_SESSION['toolgroup']))
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{
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$group_query = " WHERE post_group_id = '".$_SESSION['toolgroup']."' "; // set to select only messages posted by the user's group
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}
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else {
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$group_query = '';
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}
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$sql_get_publications_list = "SELECT * " .
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"FROM ".$work_table." " .
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$group_query.
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"ORDER BY id";
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}
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//echo $sql_get_publications_list;
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$sql_result = api_sql_query($sql_get_publications_list,__FILE__,__LINE__);
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$table_header[] = array(get_lang('Title'),true);
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$table_header[] = array(get_lang('Description'),true);
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$table_header[] = array(get_lang('Authors'),true);
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$table_header[] = array(get_lang('Date'),true);
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//if( $is_allowed_to_edit)
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//{
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$table_header[] = array(get_lang('Modify'),true);
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//}
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$table_data = array();
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$dirs_list = get_subdirs_list($work_dir);
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$my_sub_dir = str_replace('work/','',$sub_course_dir);
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foreach($dirs_list as $dir)
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{
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$mydir = $my_sub_dir.$dir;
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$action = '';
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//display info depending on the permissions
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if( $is_allowed_to_edit)
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{
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$row = array();
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$class = '';
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$url = implode("/", array_map("rawurlencode", explode("/", $work->url)));
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$row[] = '<a href="'.$_SERVER['PHP_SELF'].'?cidReq='.api_get_course_id().
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'&curdirpath='.$mydir.'"'.$class.'><img src="../img/dossier.gif" alt="dir" height="20" width="20" valign="bottom"/>'.$dir.'</a>';
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$row[] = '';
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$row[] = '';
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$row[] = '';
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if( $is_allowed_to_edit)
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{
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//$action .= '<a href="'.$_SERVER['PHP_SELF'].'?cidReq='.api_get_course_id().
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// '&edit_dir='.$mydir.'"><img src="../img/edit.gif" alt="'.get_lang('Modify').'"></a>';
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$action .= '<a href="'.$_SERVER['PHP_SELF'].'?'.
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'delete_dir='.$mydir.'" onclick="javascript:if(!confirm('."'".addslashes(htmlentities(get_lang('ConfirmYourChoice')))."'".')) return false;"><img src="../img/delete.gif" alt="'.get_lang('DirDelete').'"></a>';
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$row[] = $action;
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}else{
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$row[] = "";
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}
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$table_data[] = $row;
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}
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}
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while( $work = mysql_fetch_object($sql_result))
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{
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//Get the author ID for that document from the item_property table
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$is_author = false;
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$author_sql = "SELECT * FROM $iprop_table WHERE tool = 'work' AND insert_user_id='$user_id' AND ref=".$work->id;
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$author_qry = api_sql_query($author_sql,__FILE__,__LINE__);
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if(Database::num_rows($author_qry)==1){
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$is_author = true;
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}
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//display info depending on the permissions
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if( $work->accepted == '1' || $is_allowed_to_edit)
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{
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$row = array();
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if($work->accepted == '0')
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{
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$class='class="invisible"';
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}
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else
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{
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$class='';
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}
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$url = implode("/", array_map("rawurlencode", explode("/", $work->url)));
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$row[] = '<a href="'.$currentCourseRepositoryWeb.$url.'"'.$class.'>'.$work->title.'</a>';
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$row[] = $work->description;
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$row[] = $work->author;
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$row[] = $work->sent_date;
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if( $is_allowed_to_edit)
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{
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$action = '';
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$action .= '<a href="'.$_SERVER['PHP_SELF'].'?curdirpath='.urlencode($my_sub_dir).'&origin='.$origin.'&edit='.$work->id.'"><img src="../img/edit.gif" alt="'.get_lang('Modify').'"></a>';
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$action .= '<a href="'.$_SERVER['PHP_SELF'].'?curdirpath='.urlencode($my_sub_dir).'&origin='.$origin.'&delete='.$work->id.'" onclick="javascript:if(!confirm('."'".addslashes(htmlentities(get_lang('ConfirmYourChoice')))."'".')) return false;"><img src="../img/delete.gif" alt="'.get_lang('WorkDelete').'"></a>';
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$action .= '<a href="'.$_SERVER['PHP_SELF'].'?curdirpath='.urlencode($my_sub_dir).'&origin='.$origin.'&move='.$work->id.'"><img src="../img/deplacer.gif" border="0" title="'.get_lang('Move').'" alt="" /></a>';
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if($work->accepted == '1')
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{
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$action .= '<a href="'.$_SERVER['PHP_SELF'].'?curdirpath='.urlencode($my_sub_dir).'&origin='.$origin.'&make_invisible='.$work->id.'&'.$sort_params.'"><img src="../img/visible.gif" alt="'.get_lang('Invisible').'"></a>';
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}
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else
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{
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$action .= '<a href="'.$_SERVER['PHP_SELF'].'?curdirpath='.urlencode($my_sub_dir).'&origin='.$origin.'&make_visible='.$work->id.'&'.$sort_params.'"><img src="../img/invisible.gif" alt="'.get_lang('Visible').'"></a>';
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}
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$action .= '<a href="'.$_SERVER['PHP_SELF'].'?origin='.$origin.'&edit='.$work->id.'"><img src="../img/edit.gif" alt="'.get_lang('Modify').'"></a>';
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$action .= '<a href="'.$_SERVER['PHP_SELF'].'?origin='.$origin.'&delete='.$work->id.'" onclick="javascript:if(!confirm('."'".addslashes(htmlentities(get_lang('ConfirmYourChoice')))."'".')) return false;"><img src="../img/delete.gif" alt="'.get_lang('WorkDelete').'"></a>';
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$row[] = $action;
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}elseif($is_author){
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$action = '';
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$action .= '<a href="'.$_SERVER['PHP_SELF'].'?curdirpath='.urlencode($my_sub_dir).'&origin='.$origin.'&edit='.$work->id.'"><img src="../img/edit.gif" alt="'.get_lang('Modify').'"></a>';
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$action .= '<a href="'.$_SERVER['PHP_SELF'].'?curdirpath='.urlencode($my_sub_dir).'&origin='.$origin.'&delete='.$work->id.'" onclick="javascript:if(!confirm('."'".addslashes(htmlentities(get_lang('ConfirmYourChoice')))."'".')) return false;"><img src="../img/delete.gif" alt="'.get_lang('WorkDelete').'"></a>';
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$row[] = $action;
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}else{
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$row[] = " ";
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}
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$table_data[] = $row;
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}
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}
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if( count($table_data) > 0)
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{
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Display::display_sortable_table($table_header,$table_data);
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}
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}
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/**
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* Returns a list of subdirectories found in the given directory.
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*
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* The list return starts from the given base directory.
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* If you require the subdirs of /var/www/ (or /var/www), you will get 'abc/', 'def/', but not '/var/www/abc/'...
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* @param string Base dir
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* @param integer 0 if we only want dirs from this level, 1 if we want to recurse into subdirs
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* @return strings_array The list of subdirs in 'abc/' form, -1 on error, and 0 if none found
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* @todo Add a session check to see if subdirs_list doesn't exist yet (cached copy)
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*/
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function get_subdirs_list($basedir='',$recurse=0){
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//echo "Looking for subdirs of $basedir";
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if(empty($basedir) or !is_dir($basedir)){return -1;}
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if(substr($basedir,-1,1)!='/'){$basedir = $basedir.'/';}
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$dirs_list = array();
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$dh = opendir($basedir);
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while($entry = readdir($dh)){
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if(is_dir($basedir.$entry) && $entry!='..' && $entry!='.'){
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$dirs_list[] = $entry;
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if($recurse==1){
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foreach(get_subdirs_list($basedir.$entry) as $subdir){
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$dirs_list[] = $entry.'/'.$subdir;
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}
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}
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}
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}
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closedir($dh);
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return $dirs_list;
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}
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/**
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* Builds the form thats enables the user to
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* select a directory to browse/upload in
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* This function has been copied from the document/document.inc.php library
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*
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* @param array $folders
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* @param string $curdirpath
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* @param string $group_dir
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* @return string html form
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*/
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function build_directory_selector($folders,$curdirpath,$group_dir='')
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{
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$form = '<form name="selector" action="'.$_SERVER['PHP_SELF'].'?'.api_get_cidreq().'" method="POST">'."\n";
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$form .= get_lang('CurrentDirectory').' <select name="curdirpath" onchange="javascript:document.selector.submit()">'."\n";
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//group documents cannot be uploaded in the root
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if($group_dir=='')
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{
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$form .= '<option value="/">/ ('.get_lang('Root').')</option>';
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if(is_array($folders))
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{
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foreach ($folders as $folder)
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{
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$selected = ($curdirpath==$folder)?' selected="selected"':'';
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$form .= '<option'.$selected.' value="'.$folder.'">'.$folder.'</option>'."\n";
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}
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}
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}
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else
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{
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foreach ($folders as $folder)
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{
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$selected = ($curdirpath==$folder)?' selected="selected"':'';
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$display_folder = substr($folder,strlen($group_dir));
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$display_folder = ($display_folder == '')?'/ ('.get_lang('Root').')':$display_folder;
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$form .= '<option'.$selected.' value="'.$folder.'">'.$display_folder.'</option>'."\n";
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}
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}
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$form .= '</select>'."\n";
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$form .= '<noscript><input type="submit" name="change_path" value="'.get_lang('Ok').'"></noscript>'."\n";
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$form .= '</form>';
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return $form;
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}
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/**
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* Builds the form thats enables the user to
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* move a document from one directory to another
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* This function has been copied from the document/document.inc.php library
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*
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* @param array $folders
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* @param string $curdirpath
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* @param string $move_file
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* @return string html form
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*/
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function build_move_to_selector($folders,$curdirpath,$move_file,$group_dir='')
|
|
{
|
|
$form = '<form name="move_to" action="'.$_SERVER['PHP_SELF'].'" method="POST">'."\n";
|
|
$form .= '<input type="hidden" name="move_file" value="'.$move_file.'">'."\n";
|
|
$form .= get_lang('MoveTo').' <select name="move_to">'."\n";
|
|
|
|
//group documents cannot be uploaded in the root
|
|
if($group_dir=='')
|
|
{
|
|
if($curdirpath!='/')
|
|
{
|
|
$form .= '<option value="/">/ ('.get_lang('Root').')</option>';
|
|
}
|
|
if(is_array($folders))
|
|
{
|
|
foreach ($folders as $folder)
|
|
{
|
|
//you cannot move a file to:
|
|
//1. current directory
|
|
//2. inside the folder you want to move
|
|
//3. inside a subfolder of the folder you want to move
|
|
if(($curdirpath!=$folder) && ($folder!=$move_file) && (substr($folder,0,strlen($move_file)+1) != $move_file.'/'))
|
|
{
|
|
$form .= '<option value="'.$folder.'">'.$folder.'</option>'."\n";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if($curdirpath!='/')
|
|
{
|
|
$form .= '<option value="/">/ ('.get_lang('Root').')</option>';
|
|
}
|
|
foreach ($folders as $folder)
|
|
{
|
|
if(($curdirpath!=$folder) && ($folder!=$move_file) && (substr($folder,0,strlen($move_file)+1) != $move_file.'/'))//cannot copy dir into his own subdir
|
|
{
|
|
$display_folder = substr($folder,strlen($group_dir));
|
|
$display_folder = ($display_folder == '')?'/ ('.get_lang('Root').')':$display_folder;
|
|
$form .= '<option value="'.$folder.'">'.$display_folder.'</option>'."\n";
|
|
}
|
|
}
|
|
}
|
|
|
|
$form .= '</select>'."\n";
|
|
$form .= '<input type="submit" name="move_file_submit" value="'.get_lang('Ok').'">'."\n";
|
|
$form .= '</form>';
|
|
|
|
return $form;
|
|
}
|
|
/**
|
|
* Checks if the first given directory exists as a subdir of the second given directory
|
|
* @param string Subdir
|
|
* @param string Base dir
|
|
* @return integer -1 on error, 0 if not subdir, 1 if subdir
|
|
*/
|
|
function is_subdir_of($subdir,$basedir){
|
|
if(empty($subdir) or empty($basedir)){return -1;}
|
|
if(substr($basedir,-1,1)!='/'){$basedir=$basedir.'/';}
|
|
if(substr($subdir,0,1)=='/'){$subdir = substr($subdir,1);}
|
|
if(is_dir($basedir.$subdir)){
|
|
return 1;
|
|
}else{
|
|
return 0;
|
|
}
|
|
}
|
|
/**
|
|
* creates a new directory trying to find a directory name
|
|
* that doesn't already exist
|
|
* (we could use unique_name() here...)
|
|
*
|
|
* @author Hugues Peeters <hugues.peeters@claroline.net>
|
|
* @author Bert Vanderkimpen
|
|
* @author Yannick Warnier <ywarnier@beeznest.org> Adaptation for work tool
|
|
* @param string Base work dir (.../work)
|
|
* @param string $desiredDirName complete path of the desired name
|
|
* @return string actual directory name if it succeeds,
|
|
* boolean false otherwise
|
|
*/
|
|
|
|
function create_unexisting_work_directory($base_work_dir,$desired_dir_name)
|
|
{
|
|
$nb = '';
|
|
$base_work_dir = (substr($base_work_dir,-1,1)=='/'?$base_work_dir:$base_work_dir.'/');
|
|
while ( file_exists($base_work_dir.$desired_dir_name.$nb) )
|
|
{
|
|
$nb += 1;
|
|
}
|
|
//echo "creating ".$base_work_dir.$desired_dir_name.$nb."#...";
|
|
if ( mkdir($base_work_dir.$desired_dir_name.$nb, 0777))
|
|
{
|
|
return $desired_dir_name.$nb;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
/**
|
|
* Delete a work-tool directory
|
|
* @param string Base "work" directory for this course as /var/www/dokeos/courses/ABCD/work/
|
|
* @param string The directory name as the bit after "work/", without trailing slash
|
|
* @return integer -1 on error
|
|
*/
|
|
function del_dir($base_work_dir,$dir){
|
|
if(empty($dir) or $dir=='/'){return -1;}//not authorized
|
|
//escape hacks
|
|
$dir = str_replace('../','',$dir);
|
|
$dir = str_replace('..','',$dir);
|
|
$dir = str_replace('./','',$dir);
|
|
$dir = str_replace('.','',$dir);
|
|
if(!is_dir($base_work_dir.$dir)) {return -1;}
|
|
$table = Database::get_course_table(STUDENT_PUBLICATION_TABLE);
|
|
$sql = "DELETE FROM $table WHERE url LIKE 'work/".$dir."/%'";
|
|
$res = api_sql_query($sql,__FILE__,__LINE__);
|
|
require_once(api_get_library_path().'/fileManage.lib.php');
|
|
my_delete($base_work_dir.$dir);
|
|
}
|
|
/**
|
|
* Get the path of a document in the student_publication table (path relative to the course directory)
|
|
* @param integer Element ID
|
|
* @return string Path (or -1 on error)
|
|
*/
|
|
function get_work_path($id){
|
|
$table = Database::get_course_table(STUDENT_PUBLICATION_TABLE);
|
|
$sql = "SELECT * FROM $table WHERE id=$id";
|
|
$res = api_sql_query($sql);
|
|
if(Database::num_rows($res)!=1){
|
|
return -1;
|
|
}else{
|
|
$row = Database::fetch_array($res);
|
|
return $row['url'];
|
|
}
|
|
}
|
|
/**
|
|
* Update the url of a work in the student_publication table
|
|
* @param integer ID of the work to update
|
|
* @param string Destination directory where the work has been moved (must end with a '/')
|
|
* @return -1 on error, sql query result on success
|
|
*/
|
|
function update_work_url($id,$new_path){
|
|
if(empty($id)) return -1;
|
|
$table = Database::get_course_table(STUDENT_PUBLICATION_TABLE);
|
|
$sql = "SELECT * FROM $table WHERE id=$id";
|
|
$res = api_sql_query($sql);
|
|
if(Database::num_rows($res)!=1){
|
|
return -1;
|
|
}else{
|
|
$row = Database::fetch_array($res);
|
|
$filename = basename($row['url']);
|
|
$new_url = $new_path.$filename;
|
|
$sql2 = "UPDATE $table SET url = '$new_url' WHERE id=$id";
|
|
$res2 = api_sql_query($sql2);
|
|
return $res2;
|
|
}
|
|
}
|
|
?>
|