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- <?php // $Id: slideshow.php 20302 2009-05-04 21:04:04Z ivantcholakov $
- /*
- ==============================================================================
- Dokeos - elearning and course management software
- Copyright (c) 2004-2009 Dokeos SPRL
- Copyright (c) 2003 Ghent University (UGent)
- Copyright (c) 2001 Universite catholique de Louvain (UCL)
- 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, 181 rue Royale, B-1000 Brussels, Belgium, info@dokeos.com
- ==============================================================================
- */
- /**
- ==============================================================================
- * @author Patrick Cool
- * @author Julio Montoya Lots of improvements, cleaning, adding security
- * @package dokeos.document
- ==============================================================================
- */
- /*
- ==============================================================================
- Developped by Patrick Cool
- patrick.cool@UGent.be
- Ghent University
- Mai 2004
- http://icto.UGent.be
- Improve by Juan Carlos Ra�a Trabado
- herodoto@telefonica.net
- January 2008
- ==============================================================================
- */
- // including the language file
- // name of the language file that needs to be included
- $language_file = "slideshow";
- include ('../inc/global.inc.php');
- $noPHP_SELF = true;
- $path = Security::remove_XSS($_GET['curdirpath']);
- $pathurl = urlencode($path);
- $slide_id = Security::remove_XSS($_GET['slide_id']);
- if ($path <> '/') {
- $folder = $path.'/';
- } else {
- $folder = '/';
- }
- $sys_course_path = api_get_path(SYS_COURSE_PATH);
- // including the functions for the slideshow
- include ('slideshow.inc.php');
- // breadcrumb navigation
- $url = "document.php?curdirpath=".$pathurl;
- $originaltoolname = get_lang('Documents');
- $interbreadcrumb[] = array ("url" => Security::remove_XSS($url), "name" => $originaltoolname);
- // because $nametools uses $_SERVER['PHP_SELF'] for the breadcrumbs instead of $_SERVER['REQUEST_URI'], I had to
- // bypass the $nametools thing and use <b></b> tags in the $interbreadcrump array
- //$url = "slideshow.php?curdirpath=".$pathurl;
- $originaltoolname = get_lang('SlideShow');
- //$interbreadcrumb[]= array ("url"=>$url, "name"=>$originaltoolname );
- Display :: display_header($originaltoolname, "Doc");
- // loading the slides from the session
- if (isset($_SESSION["image_files_only"])) {
- $image_files_only = $_SESSION["image_files_only"];
- }
- // calculating the current slide, next slide, previous slide and the number of slides
- if ($slide_id <> "all") {
- if ($slide_id) {
- $slide = $slide_id;
- } else {
- $slide = 0;
- }
- $previous_slide = $slide -1;
- $next_slide = $slide +1;
- } // if ($slide_id<>"all")
- $total_slides = count($image_files_only);
- ?>
- <script language="JavaScript" type="text/JavaScript">
- <!--
- function MM_openBrWindow(theURL,winName,features) { //v2.0
- window.open(theURL,winName,features);
- }
- //-->
- </script>
- <div class="actions">
- <?php
- // exit the slideshow
- echo '<a href="document.php?action=exit_slideshow&curdirpath='.$pathurl.'">'.Display::return_icon('back.png').get_lang('Back').' '.get_lang('To').' '.get_lang('DocumentsOverview').'</a> ';
- // show thumbnails
- if ($slide_id <> "all") {
- echo '<a href="slideshow.php?slide_id=all&curdirpath='.$pathurl.'"><img src="'.api_get_path(WEB_IMG_PATH).'thumbnails.png" alt="">'.get_lang('_show_thumbnails').'</a> ';
- } else {
- echo '<img src="'.api_get_path(WEB_IMG_PATH).'thumbnails_na.png" alt="">'.get_lang('_show_thumbnails').' ';
- }
- // slideshow options
- echo '<a href="slideshowoptions.php?curdirpath='.$pathurl.'"><img src="'.api_get_path(WEB_IMG_PATH).'acces_tool.gif" alt="">'.get_lang('_set_slideshow_options').'</a> ';
- ?>
- </div>
- <?php
- echo '<br />';
- // =======================================================================
- // TREATING THE POST DATA FROM SLIDESHOW OPTIONS
- // =======================================================================
- // if we come from slideshowoptions.php we sessionize (new word !!! ;-) the options
- if (isset ($_POST['Submit'])) {
- // we come from slideshowoptions.php
- $_SESSION["image_resizing"] = Security::remove_XSS($_POST['radio_resizing']);
- if ($_POST['radio_resizing'] == "resizing" && $_POST['width'] != '' && $_POST['height'] != '') {
- //echo "resizing";
- $_SESSION["image_resizing_width"] = Security::remove_XSS($_POST['width']);
- $_SESSION["image_resizing_height"] = Security::remove_XSS($_POST['height']);
- } else {
- //echo "unsetting the session heighte and width";
- $_SESSION["image_resizing_width"] = null;
- $_SESSION["image_resizing_height"] = null;
- }
- } // if ($submit)
- // The target height and width depends if we choose resizing or no resizing
- if ($_SESSION["image_resizing"] == "resizing") {
- $target_width = $_SESSION["image_resizing_width"];
- $target_height = $_SESSION["image_resizing_height"];
- } else {
- $image_width = $source_width;
- $image_height = $source_height;
- }
- // =======================================================================
- // THUMBNAIL VIEW
- // =======================================================================
- // this is for viewing all the images in the slideshow as thumbnails.
- $image_tag = array ();
- if ($slide_id == "all") {
- $thumbnail_width = 100;
- $thumbnail_height = 100;
- $row_items = 4;
- if (is_array($image_files_only)) {
- foreach ($image_files_only as $one_image_file) {
- $image = $sys_course_path.$_course['path']."/document".$folder.$one_image_file;
- if (file_exists($image)) {
- $image_height_width = resize_image($image, $thumbnail_width, $thumbnail_height, 1);
-
- $image_height = $image_height_width[0];
- $image_width = $image_height_width[1];
-
- if ($path and $path !== "/") {
- $doc_url = $path."/".$one_image_file;
- } else {
- $doc_url = $path.$one_image_file;
- }
- $image_tag[] = "<img src='download.php?doc_url=".$doc_url."' border='0' width='".$image_width."' height='".$image_height."' title='".$one_image_file."'>";
- }
- } // foreach ($image_files_only as $one_image_file)
- }
- } // if ($slide_id=="all")
- // creating the table
- $html_table='';
- echo '<table align="center" width="760px" border="0" cellspacing="10">';
- $i = 0;
- $count_image=count($image_tag);
- $number_image=6;
- $number_iteration=ceil($count_image/$number_image);
- $p=0;
- for ($k=0;$k<$number_iteration;$k++) {
- echo '<tr height="'.$thumbnail_height.'">';
- for ($i=0;$i<$number_image;$i++) {
- if (!is_null($image_tag[$p])) {
- echo '<td style="border:1px solid; border-color: #CCCCCC #666666 #666666 #CCCCCC;">';
- echo '<div align="center"><a href="slideshow.php?slide_id='.$p.'&curdirpath='.$pathurl.' ">'.$image_tag[$p].'</a>';
- echo '</div></td>';
- }
- $p++;
- }
- echo '</tr>';
- }
- echo '</table>';
- // =======================================================================
- // ONE AT A TIME VIEW
- // =======================================================================
- // this is for viewing all the images in the slideshow one at a time.
- if ($slide_id !== "all") {
- $image = $sys_course_path.$_course['path']."/document".$folder.$image_files_only[$slide];
- if (file_exists($image)) {
- $image_height_width = resize_image($image, $target_width, $target_height);
-
- $image_height = $image_height_width[0];
- $image_width = $image_height_width[1];
-
- if ($_SESSION["image_resizing"] == "resizing") {
- $height_width_tags = 'width="'.$image_width.'" height="'.$image_height.'"';
-
- /* // Removed by Ivan Tcholakov, 04-MAY-2009. After some changes this fragment of code is not needed anymore.
- //adjust proportions. Juan Carlos Raсa Trabado TODO: replace resize_image function ?
- $size = @ getimagesize($image);
- $height_width_tags = (($size[1] > $image_width) ? 'width="'.$image_width.'"' : '');
- $height_width_tags = (($size[1] > $image_height) ? 'height="'.$image_height.'"' : '');
- */
- }
-
- // showing the comment of the image, Patrick Cool, 8 april 2005
- // this is done really quickly and should be cleaned up a little bit using the API functions
- $tbl_documents = Database::get_course_table(TABLE_DOCUMENT);
- if ($path=='/') {
- $pathpart='/';
- } else {
- $pathpart=$path.'/';
- }
- $sql = "SELECT * FROM $tbl_documents WHERE path='".Database::escape_string($pathpart.$image_files_only[$slide])."'";
- $result = api_sql_query($sql,__FILE__,__LINE__);
- $row = Database::fetch_array($result);
-
- // back forward buttons
- echo '<table align="center" border="0">';
- echo '<tr>';
- echo '<td align="center" >';
- // previous slide
- if ($slide > 0) {
- echo '<a href="slideshow.php?slide_id='.$previous_slide.'&curdirpath='.$pathurl.'">';
- }
- echo '<img src="'.api_get_path(WEB_IMG_PATH).'silde_back.gif" alt="">';
- if ($slide > 0) {
- echo "</a> ";
- }
- // divider
- if ($slide_id <> "all") {
- echo '</td><td valign="middle"> [ '.$next_slide.'/'.$total_slides.' ] </td><td>';
- }
- // next slide
- if ($slide < $total_slides -1 and $slide_id <> "all") {
- echo "<a href='slideshow.php?slide_id=".$next_slide."&curdirpath=$pathurl'>";
- }
- echo '<img src="'.api_get_path(WEB_IMG_PATH).'silde_next.gif" alt="">';
- if ($slide > 0) {
- echo '</a>';
- }
- echo '</td>';
- echo '</tr>';
- echo '</table>';
-
- echo '<br/>';
-
- echo '<table align="center" border="0">';
- echo '<tr>';
- echo '<td align="center">';
- echo "<img src='download.php?doc_url=$path/".$image_files_only[$slide]."' alt='".$image_files_only[$slide]."' border='0'".$height_width_tags.">";
- echo '</td>';
- echo '</tr>';
- echo '<tr>';
- echo '<td align="center">';
- $aux= explode(".", htmlspecialchars($image_files_only[$slide]));
- $ext= $aux[count($aux)-1];
- echo '<strong>'.basename(htmlspecialchars($image_files_only[$slide]), '.'.$ext).'</strong>';
- echo '<br />'.$row['comment'].'<br />';
- list($width, $high) = getimagesize($image);
- echo $width.' x '.$high.' <br />';
- echo round((filesize($image)/1024),2).' KB';
- echo ' - '.$ext;
- echo '</td>';
- echo '</tr>';
- echo '</table>';
- } else {
- Display::display_warning_message(get_lang('FileNotExist'));
- }
- } // if ($slide_id!=="all")
- Display :: display_footer();
- ?>
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