aj
/
chamilo-lms2


			
				
					
						
						
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							<?php
/* Integrate svg-edit libraries with Chamilo default documents
 * @author Juan Carlos Raña Trabado
 * @since 25/september/2010
*/
require_once '../../../../../../inc/global.inc.php';

//Add security from Chamilo
api_protect_course_script();
api_block_anonymous_users();

$userId = api_get_user_id();
$user_disk_path = UserManager::getUserPathById($userId, 'system').'my_files/';
$user_web_path = UserManager::getUserPathById($userId, 'web').'my_files/';

//get all files and folders
$scan_files = [];
if (is_dir($user_disk_path)) {
	$scan_files = scandir($user_disk_path);
}
//get all svg and png files
$accepted_extensions = array('.svg', '.png');

if (is_array($scan_files) && count($scan_files) > 0) {
	foreach ($scan_files as & $file) {
		$slideshow_extension = strrchr($file, '.');
		$slideshow_extension = strtolower($slideshow_extension);
		if (in_array($slideshow_extension, $accepted_extensions)) {
			$png_svg_files[] =$file;
		}
	}
}
$style = '<style>';
$style .= '@import "'.api_get_path(WEB_CSS_PATH).'base.css";';
$style .= '@import "'.api_get_path(WEB_CSS_PATH).'themes/'.api_get_visual_theme().'/default.css";';
$style .='</style>';

?>
<!doctype html>
<?php echo api_get_jquery_js(); ?>
<?php echo $style ?>

<body>

<?php

echo '<h2>'.get_lang('SocialNetwork').': '.get_lang('MyFiles').'</h2>';

if (!empty($png_svg_files)) {
	echo '<h3>'.get_lang('SelectSVGEditImage').'</h3>';
	echo '<ul>';
	foreach($png_svg_files as $filename) {
		$image = $user_disk_path.$filename;

		if (strpos($filename, "svg")){
			$new_sizes['width'] = 60;
			$new_sizes['height'] = 60;
		} else {
			$new_sizes = api_resize_image($image, 60, 60);
		}

		echo '<li style="display:inline; padding:8px;"><a href="'.$user_web_path.$filename.'" alt "'.$filename.'" title="'.$filename.'"><img src="'.$user_web_path.$filename.'" width="'.$new_sizes['width'].'" height="'.$new_sizes['height'].'" border="0"></a></li>';
	}
	echo '</ul>';
} else {
	echo Display::return_message(get_lang('NoSVGImages'), 'warning');
}
?>
</body>
<script>
	$('a').click(function() {
		var href = this.href;

		// Convert Non-SVG images to data URL first
		// (this could also have been done server-side by the library)
		if(this.href.indexOf('.svg') === -1) {

			var meta_str = JSON.stringify({
				name: $(this).text(),
				id: href
			});
			window.top.postMessage(meta_str, "*");

			var img = new Image();
			img.onload = function() {
				var canvas = document.createElement("canvas");
				canvas.width = this.width;
				canvas.height = this.height;
				// load the raster image into the canvas
				canvas.getContext("2d").drawImage(this,0,0);
				// retrieve the data: URL
				try {
					var dataurl = canvas.toDataURL();
				} catch(err) {
					// This fails in Firefox with file:// URLs :(
					alert("Data URL conversion failed: " + err);
					var dataurl = "";
				}
				window.top.postMessage('|' + href + '|' + dataurl, "*");
			}
			img.src = href;
		} else {
			// Send metadata (also indicates file is about to be sent)
			var meta_str = JSON.stringify({
				name: $(this).text(),
				id: href
			});
			window.top.postMessage(meta_str, "*");
			// Do ajax request for image's href value
			$.get(href, function(data) {
				data = '|' + href + '|' + data;
				// This is where the magic happens!
				window.top.postMessage(data, "*");

			}, 'html'); // 'html' is necessary to keep returned data as a string
		}
		return false;
	});
</script>