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<?php
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/* Integrate svg-edit libraries with Chamilo default documents
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* @author Juan Carlos Raña Trabado
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* @since 25/september/2010
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*/
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require_once '../../../../../inc/global.inc.php';
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//Add security from Chamilo
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api_protect_course_script();
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api_block_anonymous_users();
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$is_allowed_to_edit = api_is_allowed_to_edit(null, true);
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$course_info = api_get_course_info();
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$group_properties = GroupManager::get_group_properties(api_get_group_id());
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$groupdirpath = $group_properties['directory'];
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$group_disk_path = api_get_path(SYS_COURSE_PATH).$course_info['path'].'/document'.$groupdirpath.'/';
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$group_web_path = api_get_path(WEB_COURSE_PATH).$course_info['path'].'/document'.$groupdirpath.'/';
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//get all group files and folders
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$docs_and_folders = DocumentManager::get_all_document_data($course_info, $groupdirpath, api_get_group_id(), null, $is_allowed_to_edit, false);
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//get all group filenames
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$array_to_search = is_array($docs_and_folders) ? $docs_and_folders : array();
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if (count($array_to_search) > 0) {
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while (list($key) = each($array_to_search)) {
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$all_files[] = basename($array_to_search[$key]['path']);
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}
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}
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//get all svg and png group files
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$accepted_extensions = array('.svg', '.png');
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if (is_array($all_files) && count($all_files) > 0) {
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foreach ($all_files as & $file) {
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$slideshow_extension = strrchr($file, '.');
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$slideshow_extension = strtolower($slideshow_extension);
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if (in_array($slideshow_extension, $accepted_extensions)) {
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$png_svg_files[] =$file;
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}
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}
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}
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$style = '<style>';
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$style .= '@import "'.api_get_path(WEB_CSS_PATH).'base.css";';
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$style .= '@import "'.api_get_path(WEB_CSS_PATH).'themes/'.api_get_visual_theme().'/default.css";';
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$style .='</style>';
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?>
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<!doctype html>
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<?php echo api_get_jquery_js(); ?>
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<?php echo $style ?>
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<body>
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<?php
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echo '<h2>'.get_lang('GroupSingle').': '.$group_properties['name'].'</h2>';
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if (($group_properties['doc_state'] == 2 && ($is_allowed_to_edit || GroupManager :: is_user_in_group($_user['user_id'], $_SESSION['_gid']))) || $group_properties['doc_state'] == 1){
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if (!empty($png_svg_files)) {
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echo '<h3>'.get_lang('SelectSVGEditImage').'</h3>';
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echo '<ul>';
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foreach($png_svg_files as $filename) {
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$image = $group_disk_path.$filename;
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if (strpos($filename, "svg")){
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$new_sizes['width'] = 60;
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$new_sizes['height'] = 60;
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}
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else {
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$new_sizes = api_resize_image($image, 60, 60);
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}
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echo '<li style="display:inline; padding:8px;">';
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echo '<a href = "'.$group_web_path.$filename.'" alt="'.$filename.'" title="'.$filename.'">';
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echo '<img src = "'.$group_web_path.$filename.'" width = "'.$new_sizes['width'].'" height="'.$new_sizes['height'].'" border="0"></a></li>';
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}
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echo '</ul>';
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}
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} else {
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echo Display::display_warning_message(get_lang('OnlyAccessFromYourGroup'));
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}
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?>
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</body>
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<script>
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$('a').click(function() {
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var href = this.href;
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// Convert Non-SVG images to data URL first
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// (this could also have been done server-side by the library)
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if(this.href.indexOf('.svg') === -1) {
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var meta_str = JSON.stringify({
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name: $(this).text(),
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id: href
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});
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window.top.postMessage(meta_str, "*");
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var img = new Image();
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img.onload = function() {
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var canvas = document.createElement("canvas");
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canvas.width = this.width;
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canvas.height = this.height;
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// load the raster image into the canvas
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canvas.getContext("2d").drawImage(this,0,0);
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// retrieve the data: URL
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try {
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var dataurl = canvas.toDataURL();
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} catch(err) {
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// This fails in Firefox with file:// URLs :(
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alert("Data URL conversion failed: " + err);
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var dataurl = "";
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}
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window.top.postMessage('|' + href + '|' + dataurl, "*");
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}
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img.src = href;
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} else {
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// Send metadata (also indicates file is about to be sent)
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var meta_str = JSON.stringify({
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name: $(this).text(),
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id: href
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});
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window.top.postMessage(meta_str, "*");
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// Do ajax request for image's href value
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$.get(href, function(data) {
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data = '|' + href + '|' + data;
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// This is where the magic happens!
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window.top.postMessage(data, "*");
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}, 'html'); // 'html' is necessary to keep returned data as a string
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}
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return false;
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});
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</script>
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