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376 lines
12 KiB
376 lines
12 KiB
<?php
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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) 2003-2005 Ghent University (UGent)
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Copyright (c) 2001 Universite catholique de Louvain (UCL)
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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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* Main script for the links tool.
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*
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* Features:
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* - Organize links into categories;
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* - favorites/bookmarks-like interface;
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* - move links up/down within a category;
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* - move categories up/down;
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* - expand/collapse all categories (except the main "non"-category);
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* - add link to 'root' category => category-less link is always visible.
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*
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* @author Patrick Cool, main author, completely rewritten
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* @author Rene Haentjens, added CSV file import (October 2004)
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* @package dokeos.link
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* @todo improve organisation, tables should come from database library
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==============================================================================
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*/
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/*
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==============================================================================
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INIT SECTION
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==============================================================================
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*/
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// name of the language file that needs to be included
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$language_file = "link";
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// including libraries
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include("../inc/global.inc.php");
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include(api_get_path(LIBRARY_PATH).'events.lib.inc.php');
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include("linkfunctions.php");
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$this_section=SECTION_COURSES;
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api_protect_course_script();
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// Database Table definitions
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$tbl_link = Database::get_course_table(TABLE_LINK);
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$tbl_categories = Database::get_course_table(TABLE_LINK_CATEGORY);
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//statistics
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event_access_tool(TOOL_LINK);
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$nameTools = get_lang("Links");
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Display::display_header($nameTools, 'Links');
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?>
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<script type="text/javascript">
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/* <![CDATA[ */
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function MM_popupMsg(msg) { //v1.0
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confirm(msg);
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}
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/* ]]> */
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</script>
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<?php
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/*
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-----------------------------------------------------------
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Introduction section
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-----------------------------------------------------------
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*/
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Display::display_introduction_section(TOOL_LINK);
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// @todo change the $_REQUEST into $_POST or $_GET
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// @todo remove this code
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$link_submitted = $_POST["submitLink"];
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$category_submitted = $_POST["submitCategory"];
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$urlview = $_GET["urlview"];
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$submitImport = $_POST["submitImport"];
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$down = $_GET['down'];
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$up = $_GET['up'];
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$catmove = $_GET['catmove'];
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$editlink = $_REQUEST['editlink'];
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$id = $_REQUEST['id'];
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$urllink = $_REQUEST['urllink'];
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$title = $_REQUEST['title'];
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$description = $_REQUEST['description'];
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$selectcategory = $_REQUEST['selectcategory'];
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$submitLink = $_REQUEST['submitLink'];
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$action = $_REQUEST['action'];
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$category_title = $_REQUEST['category_title'];
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$submitCategory = $_REQUEST['submitCategory'];
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/*
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-----------------------------------------------------------
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Action Handling
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-----------------------------------------------------------
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*/
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switch($_GET['action'])
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{
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case "addlink":
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if($link_submitted)
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{
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if(!addlinkcategory("link")) // here we add a link
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{
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unset($submitLink);
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}
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}
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break;
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case "addcategory":
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if($category_submitted)
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{
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if(!addlinkcategory("category")) // here we add a category
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{
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unset($submitCategory);
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}
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}
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break;
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case "importcsv":
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if($_POST["submitImport"])
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{
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import_csvfile();
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}
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break;
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case "deletelink":
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deletelinkcategory("link"); // here we delete a link
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break;
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case "deletecategory":
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deletelinkcategory("category"); // here we delete a category
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break;
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case "editlink":
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editlinkcategory("link"); // here we edit a link
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break;
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case "editcategory":
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editlinkcategory("category"); // here we edit a category
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break;
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case "visible":
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change_visibility($_GET['id'],$_GET['scope']); // here we edit a category
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break;
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case "invisible":
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change_visibility($_GET['id'],$_GET['scope']); // here we edit a category
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break;
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}
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if (is_allowed_to_edit())
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{
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// Displaying the correct title and the form for adding a category or link. This is only shown when nothing
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// has been submitted yet, hence !isset($submitLink)
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if (($_GET['action']=="addlink" or $_GET['action']=="editlink") and !$_POST['submitLink'])
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{
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echo "<h4>";
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if ($_GET['action']=="addlink")
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{echo get_lang("LinkAdd");}
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else
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{echo get_lang("LinkMod");}
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echo "</h4>\n\n";
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if ($category=="")
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{$category=0;}
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echo "<form method=\"post\" action=\"".$_SERVER['PHP_SELF']."?action=".$_GET['action']."&urlview=".$urlview."\">";
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if ($_GET['action']=="editlink")
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{
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echo "<input type=\"hidden\" name=\"id\" value=\"".$_GET['id']."\" />";
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}
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echo "<table><tr>"
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. "<td align=\"right\">URL<span class=\"required\">*</span> :</td>"
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. "<td><input type=\"text\" name=\"urllink\" size=\"50\" value=\"" . (empty($urllink)?'http://':htmlentities($urllink)) . "\" /></td>" . "</tr>";
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echo "<tr>"
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. "<td align=\"right\">" . get_lang("LinkName") . " :</td>"
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. "<td><input type=\"text\" name=\"title\" size=\"50\" value=\"" . htmlentities($title) . "\" /></td>"
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. "</tr>"
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. "<tr>" .
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"<td align=\"right\" valign=\"top\">" . get_lang("Description") . " :</td>" .
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"<td><textarea wrap=\"physical\" rows=\"3\" cols=\"50\" name=\"description\">" .
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htmlentities($description) . "</textarea></td></tr>";
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$sqlcategories="SELECT * FROM ".$tbl_categories." ORDER BY display_order DESC";
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$resultcategories = api_sql_query($sqlcategories)or die("Error: " . mysql_error());
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if(mysql_num_rows($resultcategories))
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{
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echo "<tr><td align=\"right\">".get_lang("Category")." :</td><td>",
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"<select name=\"selectcategory\">",
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"<option value=\"0\">--</option>";
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while ($myrow = mysql_fetch_array($resultcategories))
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{
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echo "<option value=\"".$myrow["id"]."\"";
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if ($myrow["id"]==$category)
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{echo " selected";}
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echo ">".$myrow["category_title"]."</option>";
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}
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echo "</select></td></tr>";
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}
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echo "<tr><td align=\"right\">".get_lang("OnHomepage")." ? </td><td><input class=\"checkbox\" type=\"checkbox\" name=\"onhomepage\" id=\"onhomepage\" value=\"1\" $onhomepage><label for=\"onhomepage\"> ".get_lang("Yes")."</label></td></tr>";
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echo "<tr><td></td><td><input type=\"Submit\" name=\"submitLink\" value=\"".get_lang("Ok")."\" /></td></tr>",
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"</table>",
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"</form>";
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}
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elseif(($_GET['action']=="addcategory" or $_GET['action']=="editcategory") and !$submitCategory)
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{
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echo "<h4>";
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if ($_GET['action']=="addcategory")
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{echo get_lang("CategoryAdd");}
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else
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{echo get_lang("CategoryMod");}
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echo "</h4>\n\n";
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echo "<form method=\"post\" action=\"".$_SERVER['PHP_SELF']."?action=".$_GET['action']."&urlview=".$urlview."\">";
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if ($_GET['action']=="editcategory")
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{
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echo "<input type=\"hidden\" name=\"id\" value=\"".$id."\" />";
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}
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echo "<table><tr>",
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"<td align=\"right\">".get_lang("CategoryName")."<span class=\"required\">*</span> :</td>",
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"<td><input type=\"text\" name=\"category_title\" size=\"50\" value=\"",htmlentities($category_title)."\" /></td>",
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"</tr>",
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"<tr><td align=\"right\" valign=\"top\">".get_lang("Description")." :</td>",
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"<td><textarea wrap=\"physical\" rows=\"3\" cols=\"50\" name=\"description\">",htmlentities($description)."</textarea></td></tr>",
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"<tr><td></td><td><input type=\"Submit\" name=\"submitCategory\" value=\"".get_lang("Ok")."\"></td></tr>",
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"</table>",
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"</form>";
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}
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/*elseif(($_GET['action']=="importcsv") and !$submitImport) // RH start
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{
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echo "<h4>", get_lang('CsvImport'), "</h4>\n\n",
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"<form method=\"post\" action=\"".$_SERVER['PHP_SELF']."?action=".$_GET['action']."&urlview=".$urlview."\" enctype=\"multipart/form-data\">",
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// uncomment if you want to set a limit: '<input type="hidden" name="MAX_FILE_SIZE" value="32768">', "\n",
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'<input type="file" name="import_file" size="30">', "\n",
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"<input type=\"Submit\" name=\"submitImport\" value=\"".get_lang('Ok')."\">",
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"</form>";
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echo get_lang('CsvExplain');
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}*/
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}
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if (isset($down))
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{
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movecatlink($down);
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}
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if (isset($up))
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{
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movecatlink($up);
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}
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/*
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-----------------------------------------------------------
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Action Links
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-----------------------------------------------------------
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*/
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if(is_allowed_to_edit())
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{
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echo Display::return_icon('linksnew.gif')." <a href=\"".$_SERVER['PHP_SELF']."?action=addlink&category=".$category."&urlview=$urlview\">".get_lang("LinkAdd")."</a>\n";
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echo Display::return_icon('folder_new.gif')." <a href=\"".$_SERVER['PHP_SELF']."?action=addcategory&urlview=".$urlview."\">".get_lang("CategoryAdd")."</a>\n";
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/* "<a href=\"".$_SERVER['PHP_SELF']."?action=importcsv&urlview=".$urlview."\">".get_lang('CsvImport')."</a>\n", // RH*/
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}
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//making the show none / show all links. Show none means urlview=0000 (number of zeros depending on the
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//number of categories). Show all means urlview=1111 (number of 1 depending on teh number of categories).
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$sqlcategories="SELECT * FROM ".$tbl_categories." ORDER BY display_order DESC";
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$resultcategories=api_sql_query($sqlcategories);
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$aantalcategories = @mysql_num_rows($resultcategories);
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echo Display::return_icon('remove.gif')." <a href=\"".$_SERVER['PHP_SELF']."?urlview=";
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for($j = 1; $j <= $aantalcategories; $j++)
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{
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echo "0";
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}
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echo "\">$shownone</a>";
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echo Display::return_icon('add.gif')." <a href=\"".$_SERVER['PHP_SELF']."?urlview=";
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for($j = 1; $j <= $aantalcategories; $j++)
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{
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echo "1";
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}
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echo "\">$showall</a>";
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$sqlcategories="SELECT * FROM ".$tbl_categories." ORDER BY display_order DESC";
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$resultcategories=api_sql_query($sqlcategories);
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//Starting the table which contains the categories
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echo "<table width=\"100%\">";
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// displaying the links which have no category (thus category = 0 or NULL), if none present this will not be displayed
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$sqlLinks = "SELECT * FROM ".$tbl_link." WHERE category_id=0 or category_id IS NULL";
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$result = api_sql_query($sqlLinks);
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$numberofzerocategory=mysql_num_rows($result);
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if ($numberofzerocategory!==0)
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{
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echo "<tr><td bgcolor=\"#e6e6e6\"><i>".get_lang('NoCategory')."</i></td></tr>";
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echo "<tr><td>";
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showlinksofcategory(0);
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echo "</td></tr>";
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}
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$i=0;
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$catcounter=1;
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$view="0";
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while ($myrow=@mysql_fetch_array($resultcategories))
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{
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if (!isset($urlview))
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{
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// No $view set in the url, thus for each category link it should be all zeros except it's own
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makedefaultviewcode($i);
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}
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else
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{
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$view=$urlview;
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$view[$i]="1";
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}
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// if the $urlview has a 1 for this categorie, this means it is expanded and should be desplayed as a
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// - instead of a +, the category is no longer clickable and all the links of this category are displayed
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$myrow["description"]=text_filter($myrow["description"]);
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if ($urlview[$i]=="1")
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{
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$newurlview=$urlview;
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$newurlview[$i]="0";
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echo "<tr>",
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"<td bgcolor=\"#e6e6e6\"><b>- <a href=\"".$_SERVER['PHP_SELF']."?urlview=".$newurlview."\">".htmlentities($myrow["category_title"])."</a></b><br/> ".$myrow["description"];
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if (is_allowed_to_edit())
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{
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showcategoryadmintools($myrow["id"]);
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}
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echo "</td>",
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"</tr>",
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"<tr>",
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"<td>",showlinksofcategory($myrow["id"])."</td>",
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"</tr>";
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}
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else
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{
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echo "<tr><td bgcolor=\"#E6E6E6\"><b>+ <a href=\"".$_SERVER['PHP_SELF']."?urlview=";
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echo is_array($view)?implode('',$view):$view;
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echo "\">".htmlentities($myrow["category_title"])."</a></b><br> ";
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echo $myrow["description"];
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if (is_allowed_to_edit())
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{
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showcategoryadmintools($myrow["id"]);
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}
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echo "</td>",
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"</tr>";
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}
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// displaying the link of the category
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$i++;
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}
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echo "</table>";
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//////////////////////////////////////////////////////////////////////////////
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Display::display_footer();
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?>
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