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- <?php // $Id: link.php 22251 2009-07-20 16:56:54Z iflorespaz $
- /*
- ==============================================================================
- Dokeos - elearning and course management software
- Copyright (c) 2004-2008 Dokeos SPRL
- Copyright (c) 2003 Ghent University (UGent)
- 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: Dokeos, rue Notre Dame, 152, B-1140 Evere, Belgium, info@dokeos.com
- ==============================================================================
- */
- /**
- ==============================================================================
- * Main script for the links tool.
- *
- * Features:
- * - Organize links into categories;
- * - favorites/bookmarks-like interface;
- * - move links up/down within a category;
- * - move categories up/down;
- * - expand/collapse all categories (except the main "non"-category);
- * - add link to 'root' category => category-less link is always visible.
- *
- * @author Patrick Cool, main author, completely rewritten
- * @author René Haentjens, added CSV file import (October 2004)
- * @package dokeos.link
- * @todo improve organisation, tables should come from database library
- ==============================================================================
- */
- /*
- ==============================================================================
- INIT SECTION
- ==============================================================================
- */
- // name of the language file that needs to be included
- $language_file = array('link','admin');
- // including libraries
- require_once "../inc/global.inc.php";
- require_once "linkfunctions.php";
- $this_section=SECTION_COURSES;
- api_protect_course_script();
- $htmlHeadXtra[] = '<script src="'.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.js" type="text/javascript" language="javascript"></script>'; //jQuery
- $htmlHeadXtra[] = '<script type="text/javascript">
- $(document).ready( function() {
- for (i=0;i<$(".actions").length;i++) {
- if ($(".actions:eq("+i+")").html()=="<table border=\"0\"></table>" || $(".actions:eq("+i+")").html()=="" || $(".actions:eq("+i+")").html()==null) {
- $(".actions:eq("+i+")").hide();
- }
- }
- $("#div_target").attr("style","display:none;")//hide
- $("#id_check_target").click(function () {
- if($(this).attr("checked")==true) {
- $("#div_target").attr("style","display:block;")//show
- } else {
- $("#div_target").attr("style","display:none;")//hide
- }
- });
- $(window).load(function () {
- if($("#id_check_target").attr("checked")==true) {
- $("#div_target").attr("style","display:block;")//show
- } else {
- $("#div_target").attr("style","display:none;")//hide
- }
- });
- } );
- </script>';
- // div_target
- // @todo change the $_REQUEST into $_POST or $_GET
- // @todo remove this code
- $link_submitted = (isset($_POST['submitLink'])?true:false);
- $category_submitted = (isset($_POST['submitCategory'])?true:false);
- $urlview = (!empty($_GET['urlview'])?$_GET['urlview']:'');
- $submitImport = (!empty($_POST['submitImport'])?$_POST['submitImport']:'');
- $down = (!empty($_GET['down'])?$_GET['down']:'');
- $up = (!empty($_GET['up'])?$_GET['up']:'');
- $catmove = (!empty($_GET['catmove'])?$_GET['catmove']:'');
- $editlink = (!empty($_REQUEST['editlink'])?$_REQUEST['editlink']:'');
- $id = (!empty($_REQUEST['id'])?$_REQUEST['id']:'');
- $urllink = (!empty($_REQUEST['urllink'])?$_REQUEST['urllink']:'');
- $title = (!empty($_REQUEST['title'])?$_REQUEST['title']:'');
- $description = (!empty($_REQUEST['description'])?$_REQUEST['description']:'');
- $selectcategory = (!empty($_REQUEST['selectcategory'])?$_REQUEST['selectcategory']:'');
- $submitLink = (isset($_REQUEST['submitLink'])?true : false);
- $action = (!empty($_REQUEST['action'])?$_REQUEST['action']:'');
- $category_title = (!empty($_REQUEST['category_title'])?$_REQUEST['category_title']:'');
- $submitCategory = isset($_POST['submitCategory'])?true:false;
- $nameTools = get_lang('Links');
- //condition for the session
- $session_id = api_get_session_id();
- $condition_session = api_get_session_condition($session_id, false);
- if (isset($_GET['action']) && $_GET['action']=='addlink') {
- $nameTools = '';
- $interbreadcrumb[] = array ('url' => 'link.php', 'name' => get_lang('Links'));
- $interbreadcrumb[] = array ('url' => 'link.php?action=addlink', 'name' => get_lang('AddLink'));
- }
- if (isset($_GET['action']) && $_GET['action']=='addcategory') {
- $nameTools = '';
- $interbreadcrumb[] = array ('url' => 'link.php', 'name' => get_lang('Links'));
- $interbreadcrumb[] = array ('url' => 'link.php?action=addcategory', 'name' => get_lang('AddCategory'));
- }
- if (isset($_GET['action']) && $_GET['action']=='editlink') {
- $nameTools = '';
- $interbreadcrumb[] = array ('url' => 'link.php', 'name' => get_lang('Links'));
- $interbreadcrumb[] = array ('url' => '#', 'name' => get_lang('EditLink'));
- }
- // Database Table definitions
- $tbl_link = Database::get_course_table(TABLE_LINK);
- $tbl_categories = Database::get_course_table(TABLE_LINK_CATEGORY);
- //statistics
- event_access_tool(TOOL_LINK);
- Display::display_header($nameTools, 'Links');
- ?>
- <script type="text/javascript">
- /* <![CDATA[ */
- function MM_popupMsg(msg) { //v1.0
- confirm(msg);
- }
- /* ]]> */
- </script>
- <?php
- /*
- -----------------------------------------------------------
- Action Handling
- -----------------------------------------------------------
- */
- $nameTools = get_lang("Links");
- if(isset($_GET['action'])) {
- switch($_GET['action']) {
- case "addlink":
- if($link_submitted)
- {
- if(!addlinkcategory("link")) // here we add a link
- {
- unset($submitLink);
- }
- }
- break;
- case "addcategory":
- if($category_submitted)
- {
- if(!addlinkcategory("category")) // here we add a category
- {
- unset($submitCategory);
- }
- }
- break;
- case "importcsv":
- if($_POST["submitImport"])
- {
- import_csvfile();
- }
- break;
- case "deletelink":
- deletelinkcategory("link"); // here we delete a link
- break;
- case "deletecategory":
- deletelinkcategory("category"); // here we delete a category
- break;
- case "editlink":
- editlinkcategory("link"); // here we edit a link
- break;
- case "editcategory":
- editlinkcategory("category"); // here we edit a category
- break;
- case "visible":
- change_visibility($_GET['id'],$_GET['scope']); // here we edit a category
- break;
- case "invisible":
- change_visibility($_GET['id'],$_GET['scope']); // here we edit a category
- break;
- }
- }
- /*
- -----------------------------------------------------------
- Introduction section
- -----------------------------------------------------------
- */
- Display::display_introduction_section(TOOL_LINK);
- if (api_is_allowed_to_edit(null, true) and isset($_GET['action'])) {
- echo '<div class="actions">';
- //echo '<a href="link.php?cidReq='.Security::remove_XSS($_GET['cidReq']).'&urlview='.Security::remove_XSS($_GET['urlview']).'">'.Display::return_icon('back.png',get_lang('BackToLinksOverview')).get_lang('BackToLinksOverview').'</a>';
- echo '</div>';
- if(api_get_setting('search_enabled')=='true') {
- if (!extension_loaded('xapian')) {
- Display::display_error_message(get_lang('SearchXapianModuleNotInstaled'));
- }
- }
- // Displaying the correct title and the form for adding a category or link. This is only shown when nothing
- // has been submitted yet, hence !isset($submitLink)
- if (($_GET['action']=="addlink" or $_GET['action']=="editlink") and empty($_POST['submitLink'])) {
- echo '<div class="row">';
- if ($_GET['action']=="addlink")
- {echo '<div class="form_header">'.get_lang("LinkAdd").'</div>';}
- else
- {echo '<div class="form_header">'.get_lang("LinkMod").'</div>';}
- echo '</div>';
- if ($category=="") {
- $category=0;
- }
- echo "<form method=\"post\" action=\"".api_get_self()."?action=".Security::remove_XSS($_GET['action'])."&urlview=".Security::remove_XSS($urlview)."\">";
- if ($_GET['action']=="editlink")
- {
- echo "<input type=\"hidden\" name=\"id\" value=\"".Security::remove_XSS($_GET['id'])."\" />";
- $clean_link_id=trim(Security::remove_XSS($_GET['id']));
- }
- echo ' <div class="row">
- <div class="label">
- <span class="form_required">*</span> '.get_lang('Url').'
- </div>
- <div class="formw">
- <input type="text" name="urllink" size="50" value="' . (empty($urllink)?'http://':api_htmlentities($urllink, ENT_COMPAT, $charset)) . '" />
- </div>
- </div>';
- echo ' <div class="row">
- <div class="label">
- '.get_lang('LinkName').'
- </div>
- <div class="formw">
- <input type="text" name="title" size="50" value="' . api_htmlentities($title,ENT_QUOTES,$charset) . '" />
- </div>
- </div>';
- echo ' <div class="row">
- <div class="label">
- '.get_lang('Metadata').'
- </div>
- <div class="formw">
- <a href="../metadata/index.php?eid='.urlencode('Link.'.$clean_link_id).'">'.get_lang('AddMetadata').'</a>
- </div>
- </div>';
- echo ' <div class="row">
- <div class="label">
- '.get_lang('Description').'
- </div>
- <div class="formw">
- <textarea rows="3" cols="50" name="description">' . api_htmlentities($description,ENT_QUOTES,$charset) . '</textarea>
- </div>
- </div>';
- $sqlcategories = "SELECT * FROM ".$tbl_categories." $condition_session ORDER BY display_order DESC";
- $resultcategories = Database::query($sqlcategories);
- if (Database::num_rows($resultcategories)) {
- echo ' <div class="row">
- <div class="label">
- '.get_lang('Category').'
- </div>
- <div class="formw">';
- echo ' <select name="selectcategory">';
- echo ' <option value="0">--</option>';
- while ($myrow = Database::fetch_array($resultcategories))
- {
- echo " <option value=\"".$myrow["id"]."\"";
- if ($myrow["id"]==$category)
- {echo " selected";}
- echo ">".$myrow["category_title"]."</option>";
- }
- echo ' </select>';
- echo ' </div>
- </div>';
- }
- echo ' <div class="row">
- <div class="label">
- '.get_lang('OnHomepage').'?
- </div>
- <div class="formw">
- <input id="id_check_target" class="checkbox" type="checkbox" name="onhomepage" id="onhomepage" value="1"'.$onhomepage.'><label for="onhomepage"> '.get_lang('Yes').'</label>
- </div>
- </div>';
- echo ' <div class="row" id="div_target">
- <div class="label">
- '.get_lang('AddTargetOfLinkOnHomepage').'
- </div>
- <div class="formw" >
- <select name="target_link" id="target_link">
- <option value="_self">_self</option>
- <option value="_blank">_blank</option>
- <option value="_parent">_parent</option>
- <option value="_top">_top</option>
- </select>
- </div>
- </div>';
- if(api_get_setting('search_enabled')=='true')
- {
- require_once(api_get_path(LIBRARY_PATH) . 'specific_fields_manager.lib.php');
- $specific_fields = get_specific_field_list();
- echo ' <div class="row">
- <div class="label">
- '.get_lang('SearchFeatureDoIndexLink').'?
- </div>
- <div class="formw">
- <input class="checkbox" type="checkbox" name="index_document" id="index_document" checked="checked"><label for="index_document"> '.get_lang('Yes').'</label>
- </div>';
- foreach ($specific_fields as $specific_field) {
- //Author : <input name="A" type="text" />
- $default_values = '';
- if ($_GET['action']=="editlink")
- {
- $filter = array('course_code'=> "'". api_get_course_id() ."'", 'field_id' => $specific_field['id'], 'ref_id' => Security::remove_XSS($_GET['id']), 'tool_id' => '\''. TOOL_LINK .'\'');
- $values = get_specific_field_values_list($filter, array('value'));
- if ( !empty($values) ) {
- $arr_str_values = array();
- foreach ($values as $value) {
- $arr_str_values[] = $value['value'];
- }
- $default_values = implode(', ', $arr_str_values);
- }
- }
- $sf_textbox = '
- <div class="row">
- <div class="label">%s</div>
- <div class="formw">
- <input name="%s" type="text" value="%s"/>
- </div>
- </div>';
- echo sprintf($sf_textbox, $specific_field['name'], $specific_field['code'], $default_values);
- }
- }
- echo ' <div class="row">
- <div class="label">
- </div>
- <div class="formw">
- <button class="save" type="Submit" name="submitLink" value="OK">'.get_lang('SaveLink').'</button>
- </div>
- </div>';
- echo '</form>';
- } elseif(($_GET['action']=="addcategory" or $_GET['action']=="editcategory") and !$submitCategory) {
- echo '<div class="row">';
- if ($_GET['action']=="addcategory") {
- echo '<div class="form_header">'.get_lang('CategoryAdd').'</div>';
- $my_cat_title=get_lang('CategoryAdd');
- } else {
- echo '<div class="form_header">'.get_lang('CategoryMod').'</div>';
- $my_cat_title=get_lang('CategoryMod');
- }
- echo "</div>\n\n";
- echo "<form method=\"post\" action=\"".api_get_self()."?action=".Security::remove_XSS($_GET['action'])."&urlview=".Security::remove_XSS($urlview)."\">";
- if ($_GET['action']=="editcategory")
- {
- echo "<input type=\"hidden\" name=\"id\" value=\"".$id."\" />";
- }
- echo ' <div class="row">
- <div class="label">
- <span class="form_required">*</span> '.get_lang('CategoryName').'
- </div>
- <div class="formw">
- <input type="text" name="category_title" size="50" value="'.api_htmlentities($category_title,ENT_QUOTES,$charset).'" />
- </div>
- </div>';
- echo ' <div class="row">
- <div class="label">
- '.get_lang('Description').'
- </div>
- <div class="formw">
- <textarea rows="3" cols="50" name="description">'.api_htmlentities($description,ENT_QUOTES,$charset).'</textarea>
- </div>
- </div>';
- echo ' <div class="row">
- <div class="label">
- </div>
- <div class="formw">
- <button class="save" type="submit" name="submitCategory">'.$my_cat_title.' </button>
- </div>
- </div>';
- echo "</form>";
- }
- /*elseif(($_GET['action']=="importcsv") and !$submitImport) // RH start
- {
- echo "<h4>", get_lang('CsvImport'), "</h4>\n\n",
- "<form method=\"post\" action=\"".api_get_self()."?action=".$_GET['action']."&urlview=".$urlview."\" enctype=\"multipart/form-data\">",
- // uncomment if you want to set a limit: '<input type="hidden" name="MAX_FILE_SIZE" value="32768">', "\n",
- '<input type="file" name="import_file" size="30">', "\n",
- "<input type=\"Submit\" name=\"submitImport\" value=\"".get_lang('Ok')."\">",
- "</form>";
- echo get_lang('CsvExplain');
- }*/
- }
- if (!empty($down)) {
- movecatlink($down);
- }
- if (!empty($up)) {
- movecatlink($up);
- }
- if (empty($_GET['action']) || ($_GET['action']!='editlink' && $_GET['action']!='addcategory' && $_GET['action']!='addlink') || $link_submitted || $category_submitted) {
- /*
- -----------------------------------------------------------
- Action Links
- -----------------------------------------------------------
- */
- if ((isset($_GET['action'] ) && $_GET['action']=='editcategory' && isset($_GET['id'])) || (isset($_GET['action']) && $_GET['action']=='addcategory')) {
- echo '<br/><br/><br/>';
- }
- echo '<div class="actions">';
- if(api_is_allowed_to_edit(null, true)) {
- $urlview = Security::remove_XSS($urlview);
- echo Display::return_icon('linksnew.gif',get_lang('LinkAdd'))." <a href=\"".api_get_self()."?".api_get_cidreq()."&action=addlink&category=".(!empty($category)?$category:'')."&urlview=$urlview\">".get_lang("LinkAdd")."</a>\n";
- echo Display::return_icon('folder_new.gif', get_lang("CategoryAdd"))." <a href=\"".api_get_self()."?".api_get_cidreq()."&action=addcategory&urlview=".$urlview."\">".get_lang("CategoryAdd")."</a>\n";
- /* "<a href=\"".api_get_self()."?".api_get_cidreq()."&action=importcsv&urlview=".$urlview."\">".get_lang('CsvImport')."</a>\n", // RH*/
- }
- //making the show none / show all links. Show none means urlview=0000 (number of zeros depending on the
- //number of categories). Show all means urlview=1111 (number of 1 depending on teh number of categories).
- $sqlcategories = "SELECT * FROM ".$tbl_categories." $condition_session ORDER BY display_order DESC";
- $resultcategories = Database::query($sqlcategories);
- $aantalcategories = Database::num_rows($resultcategories);
- if ($aantalcategories > 0) {
- echo Display::return_icon('remove.gif', $shownone)." <a href=\"".api_get_self()."?".api_get_cidreq()."&urlview=";
- for($j = 1; $j <= $aantalcategories; $j++) {
- echo "0";
- }
- echo "\">".get_lang('shownone')."</a>";
- echo Display::return_icon('add.gif', $showall)." <a href=\"".api_get_self()."?".api_get_cidreq()."&urlview=";
- for($j = 1; $j <= $aantalcategories; $j++)
- {
- echo "1";
- }
- echo "\">".get_lang('showall')."</a>";
- }
- echo '</div>';
- //Starting the table which contains the categories
- $sqlcategories = "SELECT * FROM ".$tbl_categories." $condition_session ORDER BY display_order DESC";
- $resultcategories = Database::query($sqlcategories);
- echo '<table class="data_table">';
- // displaying the links which have no category (thus category = 0 or NULL), if none present this will not be displayed
- $sqlLinks = "SELECT * FROM ".$tbl_link." WHERE category_id=0 or category_id IS NULL";
- $result = Database::query($sqlLinks);
- $numberofzerocategory=Database::num_rows($result);
- if ($numberofzerocategory!==0) {
- echo "<tr><th style=\"font-weight: bold; text-align:left;padding-left: 10px;\"><i>".get_lang('General')."</i></th></tr>";
- echo '</table>';
- showlinksofcategory(0);
- }
- $i=0;
- $catcounter=1;
- $view="0";
- while ($myrow = Database::fetch_array($resultcategories)) {
- //validacion when belongs to a session
- $session_img = api_get_session_image($myrow['session_id'], $_user['status']);
- //if (!isset($urlview))
- if ($urlview == '')
- {
- // No $view set in the url, thus for each category link it should be all zeros except it's own
- makedefaultviewcode($i);
- }
- else
- {
- $view=$urlview;
- $view[$i]="1";
- }
- // if the $urlview has a 1 for this categorie, this means it is expanded and should be desplayed as a
- // - instead of a +, the category is no longer clickable and all the links of this category are displayed
- $myrow["description"]=text_filter($myrow["description"]);
- if ($urlview[$i]=="1")
- {
- $newurlview=$urlview;
- $newurlview[$i]="0";
- echo '<tr>';
- echo '<table class="data_table">';
- echo '<tr>';
- echo '<th width="81%" style="font-weight: bold; text-align:left;padding-left: 5px;">';
- echo '<a href="'.api_get_self()."?".api_get_cidreq()."&urlview=".Security::remove_XSS($newurlview)."\">";
- echo "<img src=../img/remove.gif> ".api_htmlentities($myrow["category_title"],ENT_QUOTES,$charset)."</a><br/> ".$myrow["description"];
- if (api_is_allowed_to_edit(null,true))
- {
- echo '<th>';
- showcategoryadmintools($myrow["id"]);
- echo '</th>';
- }
- echo '</th>';
- echo '</tr>';
- echo '</table>';
- echo showlinksofcategory($myrow["id"]);
- echo '</tr>';
- }
- else
- {
- echo '<tr>';
- echo '<table class="data_table">';
- echo '<tr>';
- echo '<th width="81%" style="font-weight: bold; text-align:left;padding-left: 5px;"><a href="'.api_get_self()."?".api_get_cidreq()."&urlview=";
- echo is_array($view)?implode('',$view):$view;
- echo "\"><img src=../img/add.gif> ". api_htmlentities($myrow["category_title"],ENT_QUOTES,$charset). $session_img;
- echo'</a><br /> ';
- echo $myrow["description"];
- if (api_is_allowed_to_edit(null, true))
- {
- echo '<th style="text-align:center;">';
- showcategoryadmintools($myrow["id"]);
- echo '</th>';
- }
- echo '</th>';
- echo '</tr>';
- echo '</table>';
- echo '</tr>';
- }
- // displaying the link of the category
- $i++;
- }
- echo '</table>';
- ////////////////////////////////////////////////////////////////////////////
- }
- Display::display_footer();
- ?>
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