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450 lines
16 KiB
450 lines
16 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* @author Patrick Cool patrick.cool@UGent.be Ghent University Mai 2004
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* @author Julio Montoya Lots of improvements, cleaning, adding security
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* @author Juan Carlos Raña Trabado herodoto@telefonica.net January 2008
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* @package chamilo.document
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*/
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/**
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* Code
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*/
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// Language files that need 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(empty($slide_id)) {
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$edit_slide_id = 1;
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} else {
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$edit_slide_id = $slide_id;
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}
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if ($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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$slide = $slide_id ? $slide_id : 0;
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$previous_slide = $slide - 1;
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$next_slide = $slide + 1;
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}
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$total_slides = count($image_files_only);
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?>
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<script language="JavaScript" type="text/javascript">
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<!--
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function MM_openBrWindow(theURL,winName,features) { //v2.0
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window.open(theURL,winName,features);
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}
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//-->
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</script>
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<div class="actions">
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<?php
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if ($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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echo '<div style="float: right; vertical-align: middle; padding-top: 3px; padding-bottom: 3px;"><nobr>';
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$a_style = 'margin-left: 0px; margin-right: 0px; padding-left: 0px; padding-right: 0px;';
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$img_style = 'margin-left: 5px; margin-right: 5px; padding-left: 0px; padding-right: 0px;';
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// Back forward buttons
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if ($slide == 0) {
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$imgp = 'action_prev_na.png';
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$first = '<img src="'.api_get_path(WEB_IMG_PATH).'action_first_na.png" style="'.$img_style.'">';
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} else {
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$imgp = 'action_prev.png';
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$first = '<a href="slideshow.php?slide_id=0&curdirpath='.$pathurl.'" style="'.$a_style.'"><img src="'.api_get_path(WEB_IMG_PATH).'action_first.png" style="'.$img_style.'" title="'.get_lang('FirstSlide').'" alt="'.get_lang('FirstSlide').'"></a>';
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}
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// First slide
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echo $first;
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// Previous slide
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if ($slide > 0) {
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echo '<a href="slideshow.php?slide_id='.$previous_slide.'&curdirpath='.$pathurl.'" style="'.$a_style.'">';
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}
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echo '<img src="'.api_get_path(WEB_IMG_PATH).$imgp.'" style="'.$img_style.'" title="'.get_lang('Previous').'" alt="'.get_lang('Previous').'">';
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if ($slide > 0) {
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echo '</a>';
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}
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// Divider
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echo ' [ '.$next_slide.'/'.$total_slides.' ] ';
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// Next slide
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if ($slide < $total_slides - 1) {
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echo '<a href="slideshow.php?slide_id='.$next_slide.'&curdirpath='.$pathurl.'" style="'.$a_style.'">';
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}
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if ($slide == $total_slides - 1) {
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$imgn = 'action_next_na.png';
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$last = '<img src="'.api_get_path(WEB_IMG_PATH).'action_last_na.png" style="'.$img_style.'" title="'.get_lang('LastSlide').'" alt="'.get_lang('LastSlide').'">';
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} else {
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$imgn = 'action_next.png';
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$last = '<a href="slideshow.php?slide_id='.($total_slides-1).'&curdirpath='.$pathurl.'" style="'.$a_style.'"><img src="'.api_get_path(WEB_IMG_PATH).'action_last.png" style="'.$img_style.'" title="'.get_lang('LastSlide').'" alt="'.get_lang('LastSlide').'"></a>';
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}
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echo '<img src="'.api_get_path(WEB_IMG_PATH).$imgn.'" style="'.$img_style.'" 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 $last;
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echo '</nobr></div>';
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}
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}
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// Exit the slideshow
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echo '<a href="document.php?action=exit_slideshow&curdirpath='.$pathurl.'">'.Display::return_icon('back.png',get_lang('BackTo').' '.get_lang('DocumentsOverview'),'',ICON_SIZE_MEDIUM).'</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.'">'.Display::return_icon('thumbnails.png',get_lang('_show_thumbnails'),'',ICON_SIZE_MEDIUM).'</a>';
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} else {
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echo Display::return_icon('thumbnails_na.png',get_lang('_show_thumbnails'),'',ICON_SIZE_MEDIUM);
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}
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// Slideshow options
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echo '<a href="slideshowoptions.php?curdirpath='.$pathurl.'">'.Display::return_icon('settings.png',get_lang('_set_slideshow_options'),'',ICON_SIZE_MEDIUM).'</a>';
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?>
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</div>
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<?php
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echo '<br />';
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/* TREATING THE POST DATA FROM SLIDESHOW OPTIONS */
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// If we come from slideshowoptions.php we sessionize (new word !!! ;-) the options
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if (isset($_POST['Submit'])) {
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// We come from slideshowoptions.php
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//$_SESSION["auto_image_resizing"]=Security::remove_XSS($_POST['auto_radio_resizing']);
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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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$_SESSION["image_resizing_height"] = null;
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}
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}
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$target_width = $target_height = null;
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// The target height and width depends if we choose resizing or no resizing
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if (isset($_SESSION["image_resizing"]) && $_SESSION["image_resizing"] == "resizing") {
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$target_width = $_SESSION["image_resizing_width"];
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$target_height = $_SESSION["image_resizing_height"];
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}
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/* THUMBNAIL VIEW */
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// This is for viewing all the images in the slideshow as thumbnails.
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$image_tag = array ();
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if ($slide_id == 'all') {
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// Create the template_thumbnails folder (if no exist)
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if (!$sys_course_path.$_course['path'].'/document'.$folder.'.thumbs/') {
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@mkdir($sys_course_path.$_course['path'].'/document'.$folder.'.thumbs/', api_get_permissions_for_new_directories());
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}
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// Config thumbnails
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$row_items = 4;
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$allowed_thumbnail_types = array('jpg','jpeg','gif','png');
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$max_thumbnail_width = 100;
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$max_thumbnail_height = 100;
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$png_compression = 0;//0(none)-9
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$jpg_quality = 75;//from 0 to 100 (default is 75). More queality less compression
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// check files and thumbnails
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if (is_array($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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$image_thumbnail= $sys_course_path.$_course['path'].'/document'.$folder.'.thumbs/.'.$one_image_file;
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if (file_exists($image)) {
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//check thumbnail
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$imagetype = explode(".", $image);
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$imagetype = strtolower($imagetype[count($imagetype)-1]);
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if(in_array($imagetype,$allowed_thumbnail_types)) {
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if (!file_exists($image_thumbnail)){
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$original_image_size = api_getimagesize($image);
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switch($imagetype) {
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case 'gif':
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$source_img = imagecreatefromgif($image);
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break;
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case 'jpg':
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$source_img = imagecreatefromjpeg($image);
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break;
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case 'png':
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$source_img = imagecreatefrompng($image);
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break;
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}
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$new_thumbnail_size = api_calculate_image_size($original_image_size['width'], $original_image_size['height'], $max_thumbnail_width, $max_thumbnail_height);
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$crop = imagecreatetruecolor($new_thumbnail_size['width'], $new_thumbnail_size['height']);
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// preserve transparency
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if($imagetype == "png"){
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imagesavealpha($crop, true);
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$color = imagecolorallocatealpha($crop,0x00,0x00,0x00,127);
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imagefill($crop, 0, 0, $color);
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}
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if($imagetype == "gif"){
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$transindex = imagecolortransparent($image);
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//GIF89a for transparent and anim (first clip), either GIF87a
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if($transindex >= 0){
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$transcol = imagecolorsforindex($image, $transindex);
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$transindex = imagecolorallocatealpha($crop, $transcol['red'], $transcol['green'], $transcol['blue'], 127);
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imagefill($crop, 0, 0, $transindex);
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imagecolortransparent($crop, $transindex);
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}
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}
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//resampled image
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imagecopyresampled($crop,$source_img,0,0,0,0,$new_thumbnail_size['width'],$new_thumbnail_size['height'],$original_image_size['width'],$original_image_size['height']);
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if($imagetype == ("jpg" || "jpeg")) {
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imagejpeg($crop,$image_thumbnail,$jpg_quality);
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}
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if($imagetype == "png") {
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imagepng($crop,$image_thumbnail,$png_compression);
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}
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if($imagetype == "gif"){
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imagegif($crop,$image_thumbnail);
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}
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//clean memory
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imagedestroy($crop);
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}//end exist thumbnail
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//show thumbnail and link
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$one_image_thumbnail_file='.thumbs/.'.$one_image_file;//get path thumbnail
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$doc_url = ($path && $path !== '/') ? $path.'/'.$one_image_thumbnail_file : $path.$one_image_thumbnail_file;
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$image_tag[] = '<img src="download.php?doc_url='.$doc_url.'" border="0" title="'.$one_image_file.'">';
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}
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else{
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//image format no support, get path original image
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$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 = $image_height_width[1];
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$doc_url = ($path && $path !== '/') ? $path.'/'.$one_image_file : $path.$one_image_file;
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$image_tag[] = '<img src="download.php?doc_url='.$doc_url.'" border="0" width="'.$max_thumbnail_width.'" height="'.$max_thumbnail_height.'" title="'.$one_image_file.'">';
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}//end allowed image types
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}//end if exist file image
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}//end foreach
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}//end image files only
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}
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// Creating the table
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$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[$p])) {
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echo '<td>';
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echo '<div align="center"><a href="slideshow.php?slide_id='.$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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/* ONE AT A TIME VIEW */
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$course_id = api_get_course_int_id();
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// This is for viewing all the images in the slideshow one at a time.
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if ($slide_id != 'all') {
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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 = $image_height_width[1];
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$height_width_tags = null;
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if (isset($_SESSION['image_resizing']) && $_SESSION['image_resizing'] == 'resizing') {
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$height_width_tags = 'width="'.$image_width.'" height="'.$image_height.'"';
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}
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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 c_id = $course_id AND path='".Database::escape_string($pathpart.$image_files_only[$slide])."'";
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$result = Database::query($sql);
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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">';
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echo Display::tag('h1',$row['title']);
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echo '</td>';
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echo '</tr>';
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echo '<tr>';
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echo '<td align="center">';
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if ($slide < $total_slides - 1 && $slide_id != 'all') {
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echo "<a href='slideshow.php?slide_id=".$next_slide."&curdirpath=$pathurl'>";
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} else {
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echo "<a href='slideshow.php?slide_id=0&curdirpath=$pathurl'>";
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}
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if ($path == '/') {
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$path = '';
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}
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list($width, $height) = getimagesize($image);
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//auto resize
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if($_SESSION["image_resizing"]!="noresizing" && $_SESSION["image_resizing"]!="resizing" ){
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?>
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<script type="text/javascript">
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var initial_width='<?php echo $width; ?>';
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var initial_height='<?php echo $height; ?>';
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document.write ('<img id="image" src="<?php echo 'download.php?doc_url='.$path.'/'.$image_files_only[$slide]; ?>" width="'+initial_width+'" height="'+initial_height+'" border="0" alt="<?php echo $image_files_only[$slide] ;?>" >');
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var height = window.innerHeight -320;
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var width = window.innerWidth -360;
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function resizeImage() {
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var resize_factor_width = width / initial_width;
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var resize_factor_height = height / initial_height;
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var delta_width = width - initial_width * resize_factor_height;
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var delta_height = height - initial_height * resize_factor_width;
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if (delta_width > delta_height) {
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width = Math.ceil(initial_width * resize_factor_height);
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height= Math.ceil(initial_height * resize_factor_height);
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}
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else if(delta_width < delta_height) {
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width = Math.ceil(initial_width * resize_factor_width);
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height = Math.ceil(initial_height * resize_factor_width);
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}
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else {
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width = Math.ceil(width);
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height = Math.ceil(height);
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}
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document.getElementById('image').style.height = height +"px";
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document.getElementById('image').style.width = width +"px";
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};
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if (initial_height>height || initial_width>width) {
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document.getElementById('image').onload = resizeImage;
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window.onresize = resizeImage;
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}
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</script>
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<?php
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}
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else{
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echo "<img src='download.php?doc_url=$path/".$image_files_only[$slide]."' alt='".$image_files_only[$slide]."' border='0'".$height_width_tags.">";
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}
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echo '</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>';
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echo $row['comment'];
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echo '</td>';
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echo '</tr>';
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echo '</table>';
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echo '<table align="center" border="0">';
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if (api_is_allowed_to_edit(null, true)) {
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echo '<tr>';
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echo '<td align="center">';
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echo '<a href="edit_document.php?'.api_get_cidreq().'&id='.$row['id'].'&origin=slideshow&origin_opt='.$edit_slide_id.'&">
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<img src="../img/edit.gif" border="0" title="'.get_lang('Modify').'" alt="'.get_lang('Modify').'" /></a><br />';
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$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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echo $width.' x '.$height.' <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 ($_SESSION['image_resizing'] == 'resizing') {
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$resize_info = get_lang('_resizing').'<br />';
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$resize_widht = $_SESSION["image_resizing_width"].' x ';
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$resize_height = $_SESSION['image_resizing_height'];
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}
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elseif($_SESSION['image_resizing'] != 'noresizing'){
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$resize_info = get_lang('_resizing').'<br />';
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$resize_widht = get_lang('Auto').' x ';
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$resize_height = get_lang('Auto');
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} else {
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$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;
|
|
echo $resize_height;
|
|
echo '</td>';
|
|
echo '</tr>';
|
|
}
|
|
echo '</table>';
|
|
|
|
} else {
|
|
Display::display_warning_message(get_lang('FileNotFound'));
|
|
}
|
|
}
|
|
|
|
Display :: display_footer();
|
|
|