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<?php // $Id: slideshow.php 21107 2009-05-30 16:27:09Z iflorespaz $
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/*
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==============================================================================
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Dokeos - elearning and course management software
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Copyright (c) 2004-2009 Dokeos SPRL
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Copyright (c) 2003 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: Dokeos, 181 rue Royale, B-1000 Brussels, Belgium, info@dokeos.com
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==============================================================================
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*/
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/**
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==============================================================================
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* @author Patrick Cool
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* @author Julio Montoya Lots of improvements, cleaning, adding security
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* @package dokeos.document
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==============================================================================
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*/
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/*
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==============================================================================
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Developped by Patrick Cool
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patrick.cool@UGent.be
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Ghent University
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Mai 2004
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http://icto.UGent.be
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Improve by Juan Carlos Ra<EFBFBD>a Trabado
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herodoto@telefonica.net
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January 2008
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==============================================================================
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*/
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// including the language file
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// name of the language file that needs to be included
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$language_file = array ('slideshow', 'document');
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require_once '../inc/global.inc.php';
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$noPHP_SELF = true;
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$path = Security::remove_XSS($_GET['curdirpath']);
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$pathurl = urlencode($path);
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$slide_id = Security::remove_XSS($_GET['slide_id']);
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if ($path <> '/') {
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$folder = $path.'/';
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} else {
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$folder = '/';
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}
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$sys_course_path = api_get_path(SYS_COURSE_PATH);
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// including the functions for the slideshow
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require_once 'slideshow.inc.php';
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// breadcrumb navigation
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$url = "document.php?curdirpath=".$pathurl;
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$originaltoolname = get_lang('Documents');
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$interbreadcrumb[] = array ("url" => Security::remove_XSS($url), "name" => $originaltoolname);
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// because $nametools uses $_SERVER['PHP_SELF'] for the breadcrumbs instead of $_SERVER['REQUEST_URI'], I had to
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// bypass the $nametools thing and use <b></b> tags in the $interbreadcrump array
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//$url = "slideshow.php?curdirpath=".$pathurl;
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$originaltoolname = get_lang('SlideShow');
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//$interbreadcrumb[]= array ("url"=>$url, "name"=>$originaltoolname );
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Display :: display_header($originaltoolname, "Doc");
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// loading the slides from the session
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if (isset($_SESSION["image_files_only"])) {
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$image_files_only = $_SESSION["image_files_only"];
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}
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// calculating the current slide, next slide, previous slide and the number of slides
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if ($slide_id <> "all") {
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if ($slide_id) {
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$slide = $slide_id;
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} else {
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$slide = 0;
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}
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$previous_slide = $slide -1;
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$next_slide = $slide +1;
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} // if ($slide_id<>"all")
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$total_slides = count($image_files_only);
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?>
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<script language="JavaScript" type="text/JavaScript">
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<!--
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function MM_openBrWindow(theURL,winName,features) { //v2.0
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window.open(theURL,winName,features);
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}
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//-->
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</script>
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<div class="actions">
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<?php
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// exit the slideshow
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echo '<a href="document.php?action=exit_slideshow&curdirpath='.$pathurl.'">'.Display::return_icon('back.png').get_lang('BackTo').' '.get_lang('DocumentsOverview').'</a> ';
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// show thumbnails
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if ($slide_id <> "all") {
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echo '<a href="slideshow.php?slide_id=all&curdirpath='.$pathurl.'"><img src="'.api_get_path(WEB_IMG_PATH).'thumbnails.png" alt="">'.get_lang('_show_thumbnails').'</a> ';
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} else {
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echo '<img src="'.api_get_path(WEB_IMG_PATH).'thumbnails_na.png" alt="">'.get_lang('_show_thumbnails').' ';
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}
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// slideshow options
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echo '<a href="slideshowoptions.php?curdirpath='.$pathurl.'"><img src="'.api_get_path(WEB_IMG_PATH).'acces_tool.gif" alt="">'.get_lang('_set_slideshow_options').'</a> ';
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?>
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</div>
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<?php
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echo '<br />';
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// =======================================================================
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// TREATING THE POST DATA FROM SLIDESHOW OPTIONS
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// =======================================================================
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// if we come from slideshowoptions.php we sessionize (new word !!! ;-) the options
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if (isset ($_POST['Submit'])) {
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// we come from slideshowoptions.php
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$_SESSION["image_resizing"] = Security::remove_XSS($_POST['radio_resizing']);
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if ($_POST['radio_resizing'] == "resizing" && $_POST['width'] != '' && $_POST['height'] != '') {
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//echo "resizing";
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$_SESSION["image_resizing_width"] = Security::remove_XSS($_POST['width']);
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$_SESSION["image_resizing_height"] = Security::remove_XSS($_POST['height']);
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} else {
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//echo "unsetting the session heighte and width";
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$_SESSION["image_resizing_width"] = null;
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$_SESSION["image_resizing_height"] = null;
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}
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} // if ($submit)
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// The target height and width depends if we choose resizing or no resizing
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if ($_SESSION["image_resizing"] == "resizing") {
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$target_width = $_SESSION["image_resizing_width"];
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$target_height = $_SESSION["image_resizing_height"];
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} else {
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$image_width = $source_width;
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$image_height = $source_height;
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}
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// =======================================================================
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// THUMBNAIL VIEW
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// =======================================================================
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// this is for viewing all the images in the slideshow as thumbnails.
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$image_tag = array ();
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if ($slide_id == "all") {
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$thumbnail_width = 100;
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$thumbnail_height = 100;
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$row_items = 4;
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if (is_array($image_files_only)) {
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foreach ($image_files_only as $one_image_file) {
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$image = $sys_course_path.$_course['path']."/document".$folder.$one_image_file;
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if (file_exists($image)) {
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$image_height_width = resize_image($image, $thumbnail_width, $thumbnail_height, 1);
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$image_height = $image_height_width[0];
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$image_width = $image_height_width[1];
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if ($path and $path !== "/") {
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$doc_url = $path."/".$one_image_file;
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} else {
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$doc_url = $path.$one_image_file;
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}
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$image_tag[] = "<img src='download.php?doc_url=".$doc_url."' border='0' width='".$image_width."' height='".$image_height."' title='".$one_image_file."'>";
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}
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} // foreach ($image_files_only as $one_image_file)
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}
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} // if ($slide_id=="all")
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// creating the table
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$html_table='';
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echo '<table align="center" width="760px" border="0" cellspacing="10">';
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$i = 0;
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$count_image=count($image_tag);
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$number_image=6;
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$number_iteration=ceil($count_image/$number_image);
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$p=0;
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for ($k=0;$k<$number_iteration;$k++) {
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echo '<tr height="'.$thumbnail_height.'">';
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for ($i=0;$i<$number_image;$i++) {
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if (!is_null($image_tag[$p])) {
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echo '<td style="border:1px solid; border-color: #CCCCCC #666666 #666666 #CCCCCC;">';
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echo '<div align="center"><a href="slideshow.php?slide_id='.$p.'&curdirpath='.$pathurl.' ">'.$image_tag[$p].'</a>';
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echo '</div></td>';
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}
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$p++;
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}
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echo '</tr>';
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}
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echo '</table>';
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// =======================================================================
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// ONE AT A TIME VIEW
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// =======================================================================
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// this is for viewing all the images in the slideshow one at a time.
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if ($slide_id !== "all") {
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$image = $sys_course_path.$_course['path']."/document".$folder.$image_files_only[$slide];
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if (file_exists($image)) {
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$image_height_width = resize_image($image, $target_width, $target_height);
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$image_height = $image_height_width[0];
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$image_width = $image_height_width[1];
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if ($_SESSION["image_resizing"] == "resizing") {
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$height_width_tags = 'width="'.$image_width.'" height="'.$image_height.'"';
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/* // Removed by Ivan Tcholakov, 04-MAY-2009. After some changes this fragment of code is not needed anymore.
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//adjust proportions. Juan Carlos Raсa Trabado TODO: replace resize_image function ?
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$size = @ getimagesize($image);
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$height_width_tags = (($size[1] > $image_width) ? 'width="'.$image_width.'"' : '');
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$height_width_tags = (($size[1] > $image_height) ? 'height="'.$image_height.'"' : '');
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*/
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}
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// showing the comment of the image, Patrick Cool, 8 april 2005
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// this is done really quickly and should be cleaned up a little bit using the API functions
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$tbl_documents = Database::get_course_table(TABLE_DOCUMENT);
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if ($path=='/') {
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$pathpart='/';
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} else {
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$pathpart=$path.'/';
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}
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$sql = "SELECT * FROM $tbl_documents WHERE path='".Database::escape_string($pathpart.$image_files_only[$slide])."'";
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$result = Database::query($sql,__FILE__,__LINE__);
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$row = Database::fetch_array($result);
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echo '<table align="center" border="0" cellspacing="10">';
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echo '<tr>';
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echo '<td align="center" style="font-size: xx-large; font-weight: bold;">';
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echo $row['title'];
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echo '</td>';
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echo '</tr>';
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echo '<tr>';
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echo '<td align="center">';
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echo "<a href='slideshow.php?slide_id=".$next_slide."&curdirpath=$pathurl'><img src='download.php?doc_url=$path/".$image_files_only[$slide]."' alt='".$image_files_only[$slide]."' border='0'".$height_width_tags."></a>";
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echo '</td>';
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echo '</tr>';
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echo '<tr>';
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echo '<td style="border:1px solid; border-color: #CCCCCC">';
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echo $row['comment'];
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echo '</td>';
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echo '</tr>';
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echo '</table>';
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echo '<table align="center" border="0">';
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if (api_is_allowed_to_edit(null,true))
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{
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echo '<tr>';
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echo '<td align="center">';
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echo '<a href="edit_document.php?'.api_get_cidreq().'&curdirpath='.$pathurl.'&origin=slideshow&origin_opt='.$slide_id.'&file='.urlencode($path).'/'.$image_files_only[$slide].'"><img src="../img/edit.gif" border="0" title="'.get_lang('Modify').'" alt="'.get_lang('Modify').'" /></a><br />';
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$aux= explode(".", htmlspecialchars($image_files_only[$slide]));
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$ext= $aux[count($aux)-1];
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echo $image_files_only[$slide].' <br />';
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list($width, $high) = getimagesize($image);
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echo $width.' x '.$high.' <br />';
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echo round((filesize($image)/1024),2).' KB';
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echo ' - '.$ext;
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echo '</td>';
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echo '</tr>';
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echo '<tr>';
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echo '<td align="center">';
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if($_SESSION['image_resizing']=="resizing")
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{
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$resize_info=get_lang('_resizing').'</br>';
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$resize_widht=$_SESSION["image_resizing_width"].' x ';
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$resize_height=$_SESSION['image_resizing_height'];
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}
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else
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{
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$resize_info=get_lang('_no_resizing').'</br>';
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}
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echo $resize_info;
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echo $resize_widht;
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echo $resize_height;
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echo '</td>';
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echo '</tr>';
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}
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echo '</table>';
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echo '<br/>';
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// back forward buttons
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echo '<table align="center" border="0">';
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echo '<tr>';
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echo '<td align="center" >';
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// first slide
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echo '<a href="slideshow.php?slide_id=0&curdirpath='.$pathurl.'"><img src="'.api_get_path(WEB_IMG_PATH).'slide_first.png" title="'.get_lang('FirstSlide').'" alt="'.get_lang('FirstSlide').'"> </a>';
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// previous slide
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if ($slide > 0) {
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echo '<a href="slideshow.php?slide_id='.$previous_slide.'&curdirpath='.$pathurl.'">';
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}
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echo '<img src="'.api_get_path(WEB_IMG_PATH).'slide_previous.png" title="'.get_lang('Previous').'" alt="'.get_lang('Previous').'">';
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if ($slide > 0) {
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echo "</a> ";
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}
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// divider
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if ($slide_id <> "all") {
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echo '</td><td valign="middle"> [ '.$next_slide.'/'.$total_slides.' ] </td><td>';
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}
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// next slide
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if ($slide < $total_slides -1 and $slide_id <> "all") {
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echo "<a href='slideshow.php?slide_id=".$next_slide."&curdirpath=$pathurl'>";
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}
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echo '<img src="'.api_get_path(WEB_IMG_PATH).'slide_next.png" title="'.get_lang('Next').'" alt="'.get_lang('Next').'">';
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if ($slide > 0) {
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echo '</a>';
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}
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// last slide
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echo ' <a href="slideshow.php?slide_id='.($total_slides-1).'&curdirpath='.$pathurl.'"><img src="'.api_get_path(WEB_IMG_PATH).'slide_last.png" title="'.get_lang('LastSlide').'" alt="'.get_lang('LastSlide').'"></a>';
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echo '</td>';
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echo '</tr>';
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echo '</table>';
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} else {
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Display::display_warning_message(get_lang('FileNotFound'));
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}
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} // if ($slide_id!=="all")
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Display :: display_footer();
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?>
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