You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
510 lines
18 KiB
510 lines
18 KiB
<?php
|
|
/* For licensing terms, see /license.txt */
|
|
/**
|
|
* @author Patrick Cool patrick.cool@UGent.be Ghent University Mai 2004
|
|
* @author Julio Montoya Lots of improvements, cleaning, adding security
|
|
* @author Juan Carlos Raña Trabado herodoto@telefonica.net January 2008
|
|
* @package chamilo.document
|
|
*/
|
|
require_once '../inc/global.inc.php';
|
|
api_protect_course_script();
|
|
|
|
$noPHP_SELF = true;
|
|
$path = Security::remove_XSS($_GET['curdirpath']);
|
|
$pathurl = urlencode($path);
|
|
$slide_id = isset($_GET['slide_id']) ? Security::remove_XSS($_GET['slide_id']) : null;
|
|
|
|
if (empty($slide_id)) {
|
|
$edit_slide_id = 1;
|
|
} else {
|
|
$edit_slide_id = $slide_id;
|
|
}
|
|
|
|
if ($path != '/') {
|
|
$folder = $path.'/';
|
|
} else {
|
|
$folder = '/';
|
|
}
|
|
$sys_course_path = api_get_path(SYS_COURSE_PATH);
|
|
|
|
// Including the functions for the slideshow
|
|
require_once 'slideshow.inc.php';
|
|
|
|
// Breadcrumb navigation
|
|
$url = 'document.php?curdirpath='.$pathurl;
|
|
$originaltoolname = get_lang('Documents');
|
|
$_course = api_get_course_info();
|
|
$interbreadcrumb[] = array('url' => Security::remove_XSS($url), 'name' => $originaltoolname);
|
|
$originaltoolname = get_lang('SlideShow');
|
|
|
|
Display :: display_header($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
|
|
$slide = null;
|
|
if ($slide_id != 'all') {
|
|
$slide = $slide_id ? $slide_id : 0;
|
|
$previous_slide = $slide - 1;
|
|
$next_slide = $slide + 1;
|
|
}
|
|
$total_slides = count($image_files_only);
|
|
?>
|
|
<script type="text/javascript">
|
|
function MM_openBrWindow(theURL,winName,features) { //v2.0
|
|
window.open(theURL,winName,features);
|
|
}
|
|
</script>
|
|
<div class="actions">
|
|
<?php
|
|
|
|
if ($slide_id != 'all') {
|
|
$image = null;
|
|
if (isset($image_files_only[$slide])) {
|
|
$image = $sys_course_path . $_course['path'] . '/document' . $folder . $image_files_only[$slide];
|
|
}
|
|
if (file_exists($image)) {
|
|
echo '<div class="actions-pagination">';
|
|
|
|
// Back forward buttons
|
|
if ($slide == 0) {
|
|
$imgp = 'action_prev_na.png';
|
|
$first = '<img src="'.api_get_path(WEB_IMG_PATH).'action_first_na.png">';
|
|
} else {
|
|
$imgp = 'action_prev.png';
|
|
$first = '<a href="slideshow.php?slide_id=0&curdirpath='.$pathurl.'">
|
|
<img src="'.api_get_path(WEB_IMG_PATH).'action_first.png" title="'.get_lang('FirstSlide').'" alt="'.get_lang('FirstSlide').'"></a>';
|
|
}
|
|
|
|
// First slide
|
|
echo $first;
|
|
|
|
// Previous slide
|
|
if ($slide > 0) {
|
|
echo '<a href="slideshow.php?slide_id='.$previous_slide.'&curdirpath='.$pathurl.'">';
|
|
}
|
|
echo '<img src="'.api_get_path(WEB_IMG_PATH).$imgp.'" title="'.get_lang('Previous').'" alt="'.get_lang('Previous').'">';
|
|
if ($slide > 0) {
|
|
echo '</a>';
|
|
}
|
|
|
|
// Divider
|
|
echo ' [ '.$next_slide.'/'.$total_slides.' ] ';
|
|
|
|
// Next slide
|
|
if ($slide < $total_slides - 1) {
|
|
echo '<a href="slideshow.php?slide_id='.$next_slide.'&curdirpath='.$pathurl.'">';
|
|
}
|
|
if ($slide == $total_slides - 1) {
|
|
$imgn = 'action_next_na.png';
|
|
$last = '<img src="'.api_get_path(WEB_IMG_PATH).'action_last_na.png" title="'.get_lang('LastSlide').'" alt="'.get_lang('LastSlide').'">';
|
|
} else {
|
|
$imgn = 'action_next.png';
|
|
$last = '<a href="slideshow.php?slide_id='.($total_slides-1).'&curdirpath='.$pathurl.'"><img src="'.api_get_path(WEB_IMG_PATH).'action_last.png" title="'.get_lang('LastSlide').'" alt="'.get_lang('LastSlide').'"></a>';
|
|
}
|
|
echo '<img src="'.api_get_path(WEB_IMG_PATH).$imgn.'" title="'.get_lang('Next').'" alt="'.get_lang('Next').'">';
|
|
if ($slide > 0) {
|
|
echo '</a>';
|
|
}
|
|
|
|
// Last slide
|
|
echo $last;
|
|
echo '</div>';
|
|
}
|
|
}
|
|
|
|
// Exit the slideshow
|
|
echo '<a href="document.php?action=exit_slideshow&curdirpath='.$pathurl.'&'.api_get_cidreq().'">'.
|
|
Display::return_icon('back.png',get_lang('BackTo').' '.get_lang('DocumentsOverview'),'',ICON_SIZE_MEDIUM).'</a>';
|
|
|
|
// Show thumbnails
|
|
if ($slide_id != 'all') {
|
|
echo '<a href="slideshow.php?slide_id=all&curdirpath='.$pathurl.'&'.api_get_cidreq().'">'.
|
|
Display::return_icon('thumbnails.png',get_lang('ShowThumbnails'),'',ICON_SIZE_MEDIUM).'</a>';
|
|
} else {
|
|
echo Display::return_icon('thumbnails_na.png',get_lang('ShowThumbnails'),'',ICON_SIZE_MEDIUM);
|
|
}
|
|
// Slideshow options
|
|
echo '<a href="slideshowoptions.php?curdirpath='.$pathurl.'&'.api_get_cidreq().'">'.
|
|
Display::return_icon('settings.png',get_lang('SetSlideshowOptions'),'',ICON_SIZE_MEDIUM).'</a>';
|
|
|
|
?>
|
|
</div>
|
|
|
|
<?php
|
|
echo '<br />';
|
|
|
|
/* TREATING THE POST DATA FROM SLIDESHOW OPTIONS */
|
|
|
|
// If we come from slideshowoptions.php we sessionize (new word !!! ;-) the options
|
|
if (isset($_POST['Submit'])) {
|
|
// We come from slideshowoptions.php
|
|
//$_SESSION["auto_image_resizing"]=Security::remove_XSS($_POST['auto_radio_resizing']);
|
|
$_SESSION["image_resizing"] = Security::remove_XSS($_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;
|
|
}
|
|
}
|
|
$target_width = $target_height = null;
|
|
// The target height and width depends if we choose resizing or no resizing
|
|
if (isset($_SESSION["image_resizing"]) && $_SESSION["image_resizing"] == "resizing") {
|
|
$target_width = $_SESSION["image_resizing_width"];
|
|
$target_height = $_SESSION["image_resizing_height"];
|
|
}
|
|
|
|
/* THUMBNAIL VIEW */
|
|
|
|
// This is for viewing all the images in the slideshow as thumbnails.
|
|
$image_tag = array ();
|
|
if ($slide_id == 'all') {
|
|
|
|
// Config for make thumbnails
|
|
$allowed_thumbnail_types = array('jpg', 'jpeg', 'gif', 'png');
|
|
$max_thumbnail_width = 100;
|
|
$max_thumbnail_height = 100;
|
|
$png_compression = 0;//0(none)-9
|
|
$jpg_quality = 75;//from 0 to 100 (default is 75). More quality less compression
|
|
|
|
$directory_thumbnails = $sys_course_path.$_course['path'].'/document'.$folder.'.thumbs/';
|
|
|
|
//Other parameters only for show tumbnails
|
|
$row_items = 4;//only in slideshow.php
|
|
$number_image = 7;//num icons cols to show
|
|
$thumbnail_width_frame=$max_thumbnail_width;//optional $max_thumbnail_width+x
|
|
$thumbnail_height_frame=$max_thumbnail_height;
|
|
|
|
// Create the template_thumbnails folder (if no exist)
|
|
|
|
if (!file_exists($directory_thumbnails)) {
|
|
@mkdir($directory_thumbnails, api_get_permissions_for_new_directories());
|
|
}
|
|
|
|
// check files and thumbnails
|
|
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;
|
|
$image_thumbnail= $directory_thumbnails.'.'.$one_image_file;
|
|
|
|
if (file_exists($image)) {
|
|
//check thumbnail
|
|
$imagetype = explode(".", $image);
|
|
//or check $imagetype = image_type_to_extension(exif_imagetype($image), false);
|
|
$imagetype = strtolower($imagetype[count($imagetype)-1]);
|
|
|
|
if(in_array($imagetype,$allowed_thumbnail_types)) {
|
|
if (!file_exists($image_thumbnail)){
|
|
//run each once we view thumbnails is too heavy, then need move into !file_exists($image_thumbnail, and only run when haven't the thumbnail
|
|
$original_image_size = api_getimagesize($image);
|
|
|
|
switch($imagetype) {
|
|
case 'gif':
|
|
$source_img = imagecreatefromgif($image);
|
|
break;
|
|
case 'jpg':
|
|
$source_img = imagecreatefromjpeg($image);
|
|
break;
|
|
case 'jpeg':
|
|
$source_img = imagecreatefromjpeg($image);
|
|
break;
|
|
case 'png':
|
|
$source_img = imagecreatefrompng($image);
|
|
break;
|
|
}
|
|
|
|
$new_thumbnail_size = api_calculate_image_size(
|
|
$original_image_size['width'],
|
|
$original_image_size['height'],
|
|
$max_thumbnail_width,
|
|
$max_thumbnail_height
|
|
);
|
|
|
|
if($max_thumbnail_width>$original_image_size['width'] && $max_thumbnail_height>$original_image_size['height']){
|
|
$new_thumbnail_size['width']=$original_image_size['width'];
|
|
$new_thumbnail_size['height']=$original_image_size['height'];
|
|
}
|
|
|
|
$crop = imagecreatetruecolor($new_thumbnail_size['width'], $new_thumbnail_size['height']);
|
|
|
|
// preserve transparency
|
|
if($imagetype == "png"){
|
|
imagesavealpha($crop, true);
|
|
$color = imagecolorallocatealpha($crop,0x00,0x00,0x00,127);
|
|
imagefill($crop, 0, 0, $color);
|
|
}
|
|
|
|
if ($imagetype == "gif") {
|
|
$transindex = imagecolortransparent($source_img);
|
|
$palletsize = imagecolorstotal($source_img);
|
|
//GIF89a for transparent and anim (first clip), either GIF87a
|
|
if ($transindex >= 0 && $transindex < $palletsize){
|
|
$transcol = imagecolorsforindex($source_img, $transindex);
|
|
$transindex = imagecolorallocatealpha($crop, $transcol['red'], $transcol['green'], $transcol['blue'], 127);
|
|
imagefill($crop, 0, 0, $transindex);
|
|
imagecolortransparent($crop, $transindex);
|
|
}
|
|
}
|
|
|
|
//resampled image
|
|
imagecopyresampled(
|
|
$crop,
|
|
$source_img,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
$new_thumbnail_size['width'],
|
|
$new_thumbnail_size['height'],
|
|
$original_image_size['width'],
|
|
$original_image_size['height']
|
|
);
|
|
|
|
switch ($imagetype) {
|
|
case 'gif':
|
|
imagegif($crop,$image_thumbnail);
|
|
break;
|
|
case 'jpg':
|
|
imagejpeg($crop,$image_thumbnail,$jpg_quality);
|
|
break;
|
|
case 'jpeg':
|
|
imagejpeg($crop,$image_thumbnail,$jpg_quality);
|
|
break;
|
|
case 'png':
|
|
imagepng($crop,$image_thumbnail,$png_compression);
|
|
break;
|
|
}
|
|
|
|
//clean memory
|
|
imagedestroy($crop);
|
|
}//end !exist thumbnail
|
|
|
|
//show thumbnail and link
|
|
|
|
$one_image_thumbnail_file='.thumbs/.'.$one_image_file;//get path thumbnail
|
|
$doc_url = ($path && $path !== '/') ? $path.'/'.$one_image_thumbnail_file : $path.$one_image_thumbnail_file;
|
|
$image_tag[] = '<img src="download.php?doc_url='.$doc_url.'" border="0" title="'.$one_image_file.'">';
|
|
} else {
|
|
//if images aren't support by gd (not gif, jpg, jpeg, png)
|
|
if ($imagetype=="bmp") {
|
|
// use getimagesize instead api_getimagesize($image); becasuse api_getimagesize doesn't support bmp files. Put here for each show, only for a few bmp files isn't heavy
|
|
$original_image_size = getimagesize($image);
|
|
if ($max_thumbnail_width<$original_image_size[0] || $max_thumbnail_height<$original_image_size[1]){
|
|
$thumbnail_size=api_calculate_image_size($original_image_size[0], $original_image_size[1], $max_thumbnail_width, $max_thumbnail_height);//don't use resize_image because doesn't run with bmp files
|
|
$image_height = $thumbnail_size['height'];
|
|
$image_width = $thumbnail_size['width'];
|
|
} else {
|
|
$image_height=$original_image_size[0];
|
|
$image_width=$original_image_size[1];
|
|
}
|
|
} else {
|
|
//example for svg files,...
|
|
$image_width=$max_thumbnail_width;
|
|
$image_height=$max_thumbnail_height;
|
|
}
|
|
|
|
$doc_url = ($path && $path !== '/') ? $path.'/'.$one_image_file : $path.$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.'">';
|
|
|
|
}//end allowed image types
|
|
}//end if exist file image
|
|
}//end foreach
|
|
}//end image files only
|
|
|
|
// Creating the table
|
|
$html_table = '';
|
|
|
|
$i = 0;
|
|
$count_image = count($image_tag);
|
|
$number_iteration = ceil($count_image/$number_image);
|
|
$p = 0;
|
|
echo '<ul class="thumbnails">';
|
|
for ($k = 0; $k < $number_iteration; $k++) {
|
|
for ($i = 0; $i < $number_image; $i++) {
|
|
if (isset($image_tag[$p])) {
|
|
echo '<li class="span4">
|
|
<div class="thumbnail">';
|
|
echo '<a href="slideshow.php?slide_id='.$p.'&curdirpath='.$pathurl.'">'.$image_tag[$p].'</a>';
|
|
echo '</div>';
|
|
echo '</li>';
|
|
}
|
|
$p++;
|
|
}
|
|
}
|
|
echo '</ul>';
|
|
|
|
}//end slide==all
|
|
|
|
/* ONE AT A TIME VIEW */
|
|
$course_id = api_get_course_int_id();
|
|
|
|
// This is for viewing all the images in the slideshow one at a time.
|
|
|
|
if ($slide_id != 'all' && !empty($image_files_only)) {
|
|
if (file_exists($image) && is_file($image)) {
|
|
$image_height_width = resize_image($image, $target_width, $target_height);
|
|
|
|
$image_height = $image_height_width[0];
|
|
$image_width = $image_height_width[1];
|
|
|
|
$height_width_tags = null;
|
|
if (isset($_SESSION['image_resizing']) && $_SESSION['image_resizing'] == 'resizing') {
|
|
$height_width_tags = 'width="'.$image_width.'" height="'.$image_height.'"';
|
|
}
|
|
|
|
// 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 c_id = $course_id AND path='".Database::escape_string($pathpart.$image_files_only[$slide])."'";
|
|
$result = Database::query($sql);
|
|
$row = Database::fetch_array($result);
|
|
|
|
echo '<table align="center" border="0" cellspacing="10">';
|
|
echo '<tr>';
|
|
echo '<td id="td_image" align="center">';
|
|
if ($slide < $total_slides - 1 && $slide_id != 'all') {
|
|
echo "<a href='slideshow.php?slide_id=".$next_slide."&curdirpath=$pathurl'>";
|
|
} else {
|
|
echo "<a href='slideshow.php?slide_id=0&curdirpath=$pathurl'>";
|
|
}
|
|
if ($path == '/') {
|
|
$path = '';
|
|
}
|
|
|
|
list($width, $height) = getimagesize($image);
|
|
// Auto resize
|
|
if (isset($_SESSION["image_resizing"]) && $_SESSION["image_resizing"] == 'resizing') {
|
|
?>
|
|
|
|
<script type="text/javascript">
|
|
var initial_width='<?php echo $width; ?>';
|
|
var initial_height='<?php echo $height; ?>';
|
|
var height = window.innerHeight -320;
|
|
var width = window.innerWidth -360;
|
|
|
|
if (initial_height>height || initial_width>width) {
|
|
start_width=width;
|
|
start_height=height;
|
|
} else {
|
|
start_width=initial_width;
|
|
start_height=initial_height;
|
|
}
|
|
|
|
document.write('<img id="image" src="<?php echo 'download.php?doc_url='.$path.'/'.$image_files_only[$slide]; ?>" width="'+start_width+'" height="'+start_height+'" border="0" alt="<?php echo $image_files_only[$slide] ;?>">');
|
|
|
|
function resizeImage() {
|
|
|
|
var resize_factor_width = width / initial_width;
|
|
var resize_factor_height = height / initial_height;
|
|
var delta_width = width - initial_width * resize_factor_height;
|
|
var delta_height = height - initial_height * resize_factor_width;
|
|
|
|
if (delta_width > delta_height) {
|
|
width = Math.ceil(initial_width * resize_factor_height);
|
|
height= Math.ceil(initial_height * resize_factor_height);
|
|
}
|
|
else if(delta_width < delta_height) {
|
|
width = Math.ceil(initial_width * resize_factor_width);
|
|
height = Math.ceil(initial_height * resize_factor_width);
|
|
}
|
|
else {
|
|
width = Math.ceil(width);
|
|
height = Math.ceil(height);
|
|
}
|
|
|
|
document.getElementById('image').style.height = height +"px";
|
|
document.getElementById('image').style.width = width +"px";
|
|
document.getElementById('td_image').style.background='none';
|
|
document.getElementById('image').style.visibility='visible';
|
|
};
|
|
|
|
if (initial_height>height || initial_width>width) {
|
|
document.getElementById('image').style.visibility='hidden';
|
|
document.getElementById('td_image').style.background='url(../img/loadingAnimation.gif) center no-repeat';
|
|
document.getElementById('image').onload = resizeImage;
|
|
window.onresize = resizeImage;
|
|
}
|
|
|
|
</script>
|
|
<?php
|
|
} else {
|
|
echo "<img src='download.php?doc_url=$path/".$image_files_only[$slide]."' alt='".$image_files_only[$slide]."' border='0'".$height_width_tags.">";
|
|
}
|
|
|
|
echo '</a>';
|
|
echo '</td>';
|
|
echo '</tr>';
|
|
echo '<tr>';
|
|
echo '<td>';
|
|
echo $row['comment'];
|
|
echo '</td>';
|
|
|
|
echo '<tr>';
|
|
echo '<td style="padding:10px;" align="center">';
|
|
echo Display::tag('h3', $row['title']);
|
|
echo '</td>';
|
|
echo '</tr>';
|
|
echo '</tr>';
|
|
echo '</table>';
|
|
|
|
echo '<table align="center" border="0">';
|
|
if (api_is_allowed_to_edit(null, true)) {
|
|
$aux = explode('.', htmlspecialchars($image_files_only[$slide]));
|
|
$ext = $aux[count($aux) - 1];
|
|
|
|
if ($_SESSION['image_resizing'] == 'resizing') {
|
|
$resize_info = get_lang('Resizing').'<br />';
|
|
$resize_widht = $_SESSION["image_resizing_width"].' x ';
|
|
$resize_height = $_SESSION['image_resizing_height'];
|
|
} elseif($_SESSION['image_resizing'] != 'noresizing'){
|
|
$resize_info = get_lang('Resizing').'<br />';
|
|
$resize_widht = get_lang('Auto').' x ';
|
|
$resize_height = get_lang('Auto');
|
|
} else {
|
|
$resize_info = get_lang('NoResizing').'<br />';
|
|
}
|
|
|
|
echo '<tr>';
|
|
echo '<td align="center">';
|
|
echo '<a href="edit_document.php?'.api_get_cidreq().'&id='.$row['id'].'&origin=slideshow&origin_opt='.$edit_slide_id.'&">
|
|
<img src="../img/edit.gif" border="0" title="'.get_lang('Modify').'" alt="'.get_lang('Modify').'" /></a><br />';
|
|
|
|
echo $image_files_only[$slide].' <br />';
|
|
echo $width.' x '.$height.' <br />';
|
|
echo round((filesize($image)/1024), 2).' KB';
|
|
echo ' - '.$ext;
|
|
echo '</td>';
|
|
echo '</tr>';
|
|
echo '<tr>';
|
|
echo '<td align="center">';
|
|
echo $resize_info;
|
|
echo $resize_widht;
|
|
echo $resize_height;
|
|
echo '</td>';
|
|
echo '</tr>';
|
|
}
|
|
echo '</table>';
|
|
|
|
} else {
|
|
Display::display_warning_message(get_lang('FileNotFound'));
|
|
}
|
|
} else {
|
|
if ($slide_id != 'all') {
|
|
Display::display_warning_message(get_lang('NoDataAvailable'));
|
|
}
|
|
}
|
|
|
|
Display :: display_footer();
|
|
|