chamilo / chamilo-lms

main/document/slideshow.php

Indentation +253 added lines, -253 removed lines

@@ -1,11 +1,11 @@ 
 <?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
- */
+     * @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();
 
@@ -15,15 +15,15 @@ 
 $slide_id = isset($_GET['slide_id']) ? Security::remove_XSS($_GET['slide_id']) : null;
 
 if (empty($slide_id)) {
-	$edit_slide_id = 1;
+    $edit_slide_id = 1;
 } else {
-	$edit_slide_id = $slide_id;
+    $edit_slide_id = $slide_id;
 }
 
 if ($path != '/') {
-	$folder = $path.'/';
+    $folder = $path.'/';
 } else {
-	$folder = '/';
+    $folder = '/';
 }
 $sys_course_path = api_get_path(SYS_COURSE_PATH);
 
@@ -41,15 +41,15 @@ 
 
 // Loading the slides from the session
 if (isset($_SESSION['image_files_only'])) {
-	$image_files_only = $_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;
+    $slide = $slide_id ? $slide_id : 0;
+    $previous_slide = $slide - 1;
+    $next_slide = $slide + 1;
 }
 $total_slides = count($image_files_only);
 ?>
@@ -62,62 +62,62 @@ 
 <?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 = Display::return_icon('action_first_na.png');
-		} else {
-			$imgp = 'action_prev.png';
-			$first = '<a href="slideshow.php?slide_id=0&curdirpath='.$pathurl.'">
+    $image = null;
+    if (isset($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 = Display::return_icon('action_first_na.png');
+        } else {
+            $imgp = 'action_prev.png';
+            $first = '<a href="slideshow.php?slide_id=0&curdirpath='.$pathurl.'">
 			          '.Display::return_icon('action_first.png', get_lang('FirstSlide')).'
 			          </a>';
-		}
+        }
 
-		// First slide
-		echo $first;
+        // First slide
+        echo $first;
 
-		// Previous slide
-		if ($slide > 0) {
-			echo '<a href="slideshow.php?slide_id='.$previous_slide.'&curdirpath='.$pathurl.'">';
-		}
+        // Previous slide
+        if ($slide > 0) {
+            echo '<a href="slideshow.php?slide_id='.$previous_slide.'&curdirpath='.$pathurl.'">';
+        }
 
         echo Display::return_icon($imgp, get_lang('Previous'));
-		if ($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) {
-			$imgn = 'action_next_na.png';
+        if ($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 = Display::return_icon('action_last_na.png', get_lang('LastSlide'));
-		} else {
-			$imgn = 'action_next.png';
-			$last = '<a href="slideshow.php?slide_id='.($total_slides-1).'&curdirpath='.$pathurl.'">
+        } else {
+            $imgn = 'action_next.png';
+            $last = '<a href="slideshow.php?slide_id='.($total_slides-1).'&curdirpath='.$pathurl.'">
 			        '.Display::return_icon('action_last.png', get_lang('LastSlide')).'
                 </a>';
-		}
+        }
         echo Display::return_icon($imgn, get_lang('Next'));
-		if ($slide > 0) {
-			echo '</a>';
-		}
-
-		// Last slide
-		echo $last;
-		echo '</div>';
-	}
+        if ($slide > 0) {
+            echo '</a>';
+        }
+
+        // Last slide
+        echo $last;
+        echo '</div>';
+    }
 }
 
 // Exit the slideshow
@@ -126,10 +126,10 @@ 
 
 // Show thumbnails
 if ($slide_id != 'all') {
-	echo '<a href="slideshow.php?slide_id=all&curdirpath='.$pathurl.'&'.api_get_cidreq().'">'.
+    echo '<a href="slideshow.php?slide_id=all&curdirpath='.$pathurl.'&'.api_get_cidreq().'">'.
         Display::return_icon('thumbnails.png',get_lang('ShowThumbnails'),'',ICON_SIZE_MEDIUM).'</a>';
 } else {
-	echo Display::return_icon('thumbnails_na.png',get_lang('ShowThumbnails'),'',ICON_SIZE_MEDIUM);
+    echo Display::return_icon('thumbnails_na.png',get_lang('ShowThumbnails'),'',ICON_SIZE_MEDIUM);
 }
 // Slideshow options
 echo '<a href="slideshowoptions.php?curdirpath='.$pathurl.'&'.api_get_cidreq().'">'.
@@ -142,24 +142,24 @@ 
 
 // 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;
-		$_SESSION["image_resizing_height"] = null;
-	}
+    // We come from slideshowoptions.php
+    //$_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"];
+    $target_width = $_SESSION["image_resizing_width"];
+    $target_height = $_SESSION["image_resizing_height"];
 }
 
 /*	THUMBNAIL VIEW */
@@ -169,59 +169,59 @@ 
 $html = '';
 if ($slide_id == 'all') {
 
-	// Config for make thumbnails
+    // Config for make thumbnails
     $allowed_thumbnail_types = array('jpg', 'jpeg', 'gif', 'png');
-	$max_thumbnail_width     = 250;
-	$max_thumbnail_height    = 250;
-	$png_compression	     = 0; // 0(none)-9
-	$jpg_quality  	         = 75; // from 0 to 100 (default is 75). More quality less compression
+    $max_thumbnail_width     = 250;
+    $max_thumbnail_height    = 250;
+    $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/';
+    $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;
+    //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)
+    // Create the template_thumbnails folder (if no exist)
 
-	if (!file_exists($directory_thumbnails)) {
-		@mkdir($directory_thumbnails, api_get_permissions_for_new_directories());
+    if (!file_exists($directory_thumbnails)) {
+        @mkdir($directory_thumbnails, api_get_permissions_for_new_directories());
     }
 
-	// check files and thumbnails
-	if (is_array($image_files_only)) {
+    // check files and thumbnails
+    if (is_array($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;
+        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(".", $image);
+            if (file_exists($image)) {
+                //check thumbnail
+                $imagetype = explode(".", $image);
                 //or check $imagetype = image_type_to_extension(exif_imagetype($image), false);
-				$imagetype = strtolower($imagetype[count($imagetype)-1]);
+                $imagetype = strtolower($imagetype[count($imagetype)-1]);
 
-				if (in_array($imagetype,$allowed_thumbnail_types)) {
-					if (!file_exists($image_thumbnail)){
+                if (in_array($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;
-						}
+                        $original_image_size = api_getimagesize($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'],
@@ -229,33 +229,33 @@ 
                             $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);
+                        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, $transindex);
-							 }
-						}
-
-						//resampled image
+                                //GIF89a for transparent and anim (first clip), either GIF87a
+                                if ($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,
@@ -269,69 +269,69 @@ 
                             $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;
-					$image_tag[] = '<img class="img-gallery" src="download.php?doc_url='.$doc_url.'" border="0" title="'.$one_image_file.'">';
-				} else {
-					//if images aren't support by gd (not gif, jpg, jpeg, png)
-					if ($imagetype=="bmp") {
+                        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;
+                    $image_tag[] = '<img class="img-gallery" src="download.php?doc_url='.$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;
+                        $original_image_size = getimagesize($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;
     $html = '';
     $html .= '<div class="gallery">';
-	for ($k = 0; $k < $number_iteration; $k++) {
-		for ($i = 0; $i < $number_image; $i++) {
-			if (isset($image_tag[$p])) {
+    for ($k = 0; $k < $number_iteration; $k++) {
+        for ($i = 0; $i < $number_image; $i++) {
+            if (isset($image_tag[$p])) {
                             $html .= '<div class="col-xs-6 col-sm-3 col-md-2">';
                             $html .= '<div class="canvas-one">';
                             $html .= '<a class="canvas-two" href="slideshow.php?slide_id='.$p.'&curdirpath='.$pathurl.'">';
@@ -343,10 +343,10 @@ 
                             $html .= '</a>';
                             $html .= '</div>';
                             $html .= '</div>';
-			}
-			$p++;
-		}
-	}
+            }
+            $p++;
+        }
+    }
     $html .= '</div>';
 
 }//end slide==all
@@ -357,43 +357,43 @@ 
 // 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 $tbl_documents
+    if (file_exists($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);
+        $result = Database::query($sql);
+        $row = Database::fetch_array($result);
 
         echo '<div class="thumbnail">';
-		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 ($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 = '';
+            $path = '';
         }
 
-		list($width, $height) = getimagesize($image);
-		// Auto resize
-		if (isset($_SESSION["image_resizing"]) &&  $_SESSION["image_resizing"] == 'resizing') {
-		?>
+        list($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; ?>';
@@ -446,21 +446,21 @@ 
 
 		</script>
     <?php
-		} else {
-			echo "<img class=\"img-responsive\" src='download.php?doc_url=$path/".$image_files_only[$slide]."' alt='".$image_files_only[$slide]."' border='0'".$height_width_tags.">";
-		}
+        } else {
+            echo "<img class=\"img-responsive\" src='download.php?doc_url=$path/".$image_files_only[$slide]."' alt='".$image_files_only[$slide]."' border='0'".$height_width_tags.">";
+        }
 
-		echo '</a>';
+        echo '</a>';
         echo '<div class="caption text-center">';
         echo Display::tag('h3', $row['title']);
         echo '<p>' . $row['comment'] . '</p>';
         echo '</div>';
         echo '</div>';
 
-		if (api_is_allowed_to_edit(null, true)) {
+        if (api_is_allowed_to_edit(null, true)) {
             echo '<ul class="list-unstyled">';
-			$aux = explode('.', htmlspecialchars($image_files_only[$slide]));
-			$ext = $aux[count($aux) - 1];
+            $aux = explode('.', htmlspecialchars($image_files_only[$slide]));
+            $ext = $aux[count($aux) - 1];
 
             if (isset($_SESSION['image_resizing']) && $_SESSION['image_resizing'] == 'resizing') {
                 $resize_info = get_lang('Resizing').'<br />';
@@ -472,8 +472,8 @@ 
                 $resize_height = get_lang('Auto');
             } else {
                 $resize_info = get_lang('NoResizing').'<br />';
-				$resize_width = '';
-				$resize_height = '';
+                $resize_width = '';
+                $resize_height = '';
             }
 
             echo '<li class="text-center">';
@@ -493,16 +493,16 @@ 
             );
             echo '</li>';
             echo '<li class="text-center">' . $width.' x '.$height . '</li>';
-			echo '<li class="text-center">' . round((filesize($image) / 1024), 2) . ' KB - ' . $ext . '</li>';
+            echo '<li class="text-center">' . round((filesize($image) / 1024), 2) . ' KB - ' . $ext . '</li>';
             echo '<li class="text-center">' . $resize_info . '</li>';
-			echo '<li class="text-center">' . $resize_width . '</li>';
-			echo '<li class="text-center">' . $resize_height . '</li>';
+            echo '<li class="text-center">' . $resize_width . '</li>';
+            echo '<li class="text-center">' . $resize_height . '</li>';
             echo '</ul>';
-		}
+        }
 
-	} else {
-		Display::display_warning_message(get_lang('FileNotFound'));
-	}
+    } else {
+        Display::display_warning_message(get_lang('FileNotFound'));
+    }
 } else {
     if ($slide_id != 'all') {
         Display::display_warning_message(get_lang('NoDataAvailable'));

Spacing +48 added lines, -48 removed lines

@@ -64,7 +64,7 @@ 
 if ($slide_id != 'all') {
 	$image = null;
 	if (isset($image_files_only[$slide])) {
-		$image = $sys_course_path . $_course['path'] . '/document' . $folder . $image_files_only[$slide];
+		$image = $sys_course_path.$_course['path'].'/document'.$folder.$image_files_only[$slide];
 	}
 	if (file_exists($image)) {
 		echo '<div class="actions-pagination">';
@@ -105,7 +105,7 @@ 
             $last = Display::return_icon('action_last_na.png', get_lang('LastSlide'));
 		} else {
 			$imgn = 'action_next.png';
-			$last = '<a href="slideshow.php?slide_id='.($total_slides-1).'&curdirpath='.$pathurl.'">
+			$last = '<a href="slideshow.php?slide_id='.($total_slides - 1).'&curdirpath='.$pathurl.'">
 			        '.Display::return_icon('action_last.png', get_lang('LastSlide')).'
                 </a>';
 		}
@@ -122,18 +122,18 @@ 
 
 // 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>';
+    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>';
+        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);
+	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>';
+    Display::return_icon('settings.png', get_lang('SetSlideshowOptions'), '', ICON_SIZE_MEDIUM).'</a>';
 
 echo '</div>';
 echo '<br />';
@@ -157,7 +157,7 @@ 
 }
 $target_width = $target_height = null;
 // The target height and width depends if we choose resizing or no resizing
-if (isset($_SESSION["image_resizing"]) &&  $_SESSION["image_resizing"] == "resizing") {
+if (isset($_SESSION["image_resizing"]) && $_SESSION["image_resizing"] == "resizing") {
 	$target_width = $_SESSION["image_resizing_width"];
 	$target_height = $_SESSION["image_resizing_height"];
 }
@@ -165,7 +165,7 @@ 
 /*	THUMBNAIL VIEW */
 
 // This is for viewing all the images in the slideshow as thumbnails.
-$image_tag = array ();
+$image_tag = array();
 $html = '';
 if ($slide_id == 'all') {
 
@@ -174,14 +174,14 @@ 
 	$max_thumbnail_width     = 250;
 	$max_thumbnail_height    = 250;
 	$png_compression	     = 0; // 0(none)-9
-	$jpg_quality  	         = 75; // from 0 to 100 (default is 75). More quality less compression
+	$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
+	$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)
@@ -195,20 +195,20 @@ 
 
 		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;
+			$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]);
+				$imagetype = strtolower($imagetype[count($imagetype) - 1]);
 
-				if (in_array($imagetype,$allowed_thumbnail_types)) {
-					if (!file_exists($image_thumbnail)){
+				if (in_array($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($imagetype) {
+						switch ($imagetype) {
 							case 'gif':
 								$source_img = imagecreatefromgif($image);
 								break;
@@ -229,17 +229,17 @@ 
                             $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'];
+						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 ($imagetype == "png"){
+						if ($imagetype == "png") {
 							imagesavealpha($crop, true);
-							$color = imagecolorallocatealpha($crop,0x00,0x00,0x00,127);
+							$color = imagecolorallocatealpha($crop, 0x00, 0x00, 0x00, 127);
 							imagefill($crop, 0, 0, $color);
 						}
 
@@ -247,7 +247,7 @@ 
 							$transindex = imagecolortransparent($source_img);
                             $palletsize = imagecolorstotal($source_img);
 							 //GIF89a for transparent and anim (first clip), either GIF87a
-							 if ($transindex >= 0 && $transindex < $palletsize){
+							 if ($transindex >= 0 && $transindex < $palletsize) {
 								 $transcol = imagecolorsforindex($source_img, $transindex);
 								 $transindex = imagecolorallocatealpha($crop, $transcol['red'], $transcol['green'], $transcol['blue'], 127);
 								 imagefill($crop, 0, 0, $transindex);
@@ -271,16 +271,16 @@ 
 
 						switch ($imagetype) {
 							case 'gif':
-								imagegif($crop,$image_thumbnail);
+								imagegif($crop, $image_thumbnail);
 								break;
 							case 'jpg':
-								imagejpeg($crop,$image_thumbnail,$jpg_quality);
+								imagejpeg($crop, $image_thumbnail, $jpg_quality);
 								break;
 							case 'jpeg':
-								imagejpeg($crop,$image_thumbnail,$jpg_quality);
+								imagejpeg($crop, $image_thumbnail, $jpg_quality);
 								break;
 							case 'png':
-								imagepng($crop,$image_thumbnail,$png_compression);
+								imagepng($crop, $image_thumbnail, $png_compression);
 								break;
 						}
 
@@ -290,26 +290,26 @@ 
 
 					//show thumbnail and link
 
-					$one_image_thumbnail_file='.thumbs/.'.$one_image_file;//get path thumbnail
+					$one_image_thumbnail_file = '.thumbs/.'.$one_image_file; //get path thumbnail
 					$doc_url = ($path && $path !== '/') ? $path.'/'.$one_image_thumbnail_file : $path.$one_image_thumbnail_file;
 					$image_tag[] = '<img class="img-gallery" src="download.php?doc_url='.$doc_url.'" border="0" title="'.$one_image_file.'">';
 				} else {
 					//if images aren't support by gd (not gif, jpg, jpeg, png)
-					if ($imagetype=="bmp") {
+					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, $max_thumbnail_height);//don't use resize_image because doesn't run with bmp files
+						if ($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];
+							$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;
+						$image_width = $max_thumbnail_width;
+						$image_height = $max_thumbnail_height;
 					}
 
 					$doc_url = ($path && $path !== '/') ? $path.'/'.$one_image_file : $path.$one_image_file;
@@ -325,7 +325,7 @@ 
 
 	$i = 0;
 	$count_image = count($image_tag);
-	$number_iteration = ceil($count_image/$number_image);
+	$number_iteration = ceil($count_image / $number_image);
 	$p = 0;
     $html = '';
     $html .= '<div class="gallery">';
@@ -337,7 +337,7 @@ 
                             $html .= '<a class="canvas-two" href="slideshow.php?slide_id='.$p.'&curdirpath='.$pathurl.'">';
                             $html .= '<div class="frame">';
                             $html .= '<div class="photo">';
-                            $html .=  $image_tag[$p];
+                            $html .= $image_tag[$p];
                             $html .= '</div>';
                             $html .= '</div>';
                             $html .= '</a>';
@@ -392,7 +392,7 @@ 
 
 		list($width, $height) = getimagesize($image);
 		// Auto resize
-		if (isset($_SESSION["image_resizing"]) &&  $_SESSION["image_resizing"] == 'resizing') {
+		if (isset($_SESSION["image_resizing"]) && $_SESSION["image_resizing"] == 'resizing') {
 		?>
 
 		<script type="text/javascript">
@@ -409,7 +409,7 @@ 
 				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] ;?>">');
+			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() {
 
@@ -453,7 +453,7 @@ 
 		echo '</a>';
         echo '<div class="caption text-center">';
         echo Display::tag('h3', $row['title']);
-        echo '<p>' . $row['comment'] . '</p>';
+        echo '<p>'.$row['comment'].'</p>';
         echo '</div>';
         echo '</div>';
 
@@ -466,7 +466,7 @@ 
                 $resize_info = get_lang('Resizing').'<br />';
                 $resize_width = $_SESSION["image_resizing_width"].' x ';
                 $resize_height = $_SESSION['image_resizing_height'];
-            } elseif (isset($_SESSION['image_resizing']) && $_SESSION['image_resizing'] != 'noresizing'){
+            } elseif (isset($_SESSION['image_resizing']) && $_SESSION['image_resizing'] != 'noresizing') {
                 $resize_info = get_lang('Resizing').'<br />';
                 $resize_width = get_lang('Auto').' x ';
                 $resize_height = get_lang('Auto');
@@ -477,10 +477,10 @@ 
             }
 
             echo '<li class="text-center">';
-            echo $image_files_only[$slide] . ' ';
+            echo $image_files_only[$slide].' ';
             echo Display::toolbarButton(
                 get_lang('Modify'),
-                'edit_document.php?' . api_get_cidreq() . '&' . http_build_query([
+                'edit_document.php?'.api_get_cidreq().'&'.http_build_query([
                     'id' => $row['id'],
                     'origin' => 'slideshow',
                     'origin_opt' => $edit_slide_id,
@@ -492,11 +492,11 @@ 
                 false
             );
             echo '</li>';
-            echo '<li class="text-center">' . $width.' x '.$height . '</li>';
-			echo '<li class="text-center">' . round((filesize($image) / 1024), 2) . ' KB - ' . $ext . '</li>';
-            echo '<li class="text-center">' . $resize_info . '</li>';
-			echo '<li class="text-center">' . $resize_width . '</li>';
-			echo '<li class="text-center">' . $resize_height . '</li>';
+            echo '<li class="text-center">'.$width.' x '.$height.'</li>';
+			echo '<li class="text-center">'.round((filesize($image) / 1024), 2).' KB - '.$ext.'</li>';
+            echo '<li class="text-center">'.$resize_info.'</li>';
+			echo '<li class="text-center">'.$resize_width.'</li>';
+			echo '<li class="text-center">'.$resize_height.'</li>';
             echo '</ul>';
 		}