'. t('"File embedding" filter should be enabled in selected !filters to activate the file embedding.', array('!filters' => l('input formats', 'admin/settings/filters'))) .'

'; } } /** * Implementation of hook_theme(). */ function file_embed_theme() { return array( 'file_embed_textarea_link' => array( 'arguments' => array('data' => NULL), 'file' => 'file_embed.theme.inc' ), 'file_embed_options' => array( 'arguments' => array('data' => NULL), 'file' => 'file_embed.theme.inc' ), 'file_embed_file' => array( 'arguments' => array('data' => NULL), 'file' => 'file_embed.theme.inc' ), ); } /** * Implementation of hook_perm(). */ function file_embed_perm() { return array('embed files'); } /** * Implementation of hook_menu(). */ function file_embed_menu() { return array( 'admin/settings/file/embed' => array( 'title' => 'Embed', 'page callback' => 'drupal_get_form', 'page arguments' => array('file_embed_admin_settings'), 'access arguments' => array('administer site configuration'), 'file' => 'file_embed.admin.inc', ), 'file_embed/options/%node' => array( 'page callback' => 'file_embed_options', 'page arguments' => array(2), 'access arguments' => array('embed files'), 'type' => MENU_CALLBACK, ), ); } /** * Implementation of hook_form_alter(). */ function file_embed_form_alter(&$form, $form_state, $form_id) { if (isset($form['type']) && isset($form['#node'])) { // Node form. if (!empty($form['#node']->nid)) { file_embed_textarea_process(array('element' => 'node', 'type' => $form['#node']->type, 'nid' => $form['#node']->nid)); } } else if ($form_id == 'comment_form') { // Comment form. if (!empty($form['cid']['#value'])) { $node = node_load($form['nid']['#value']); file_embed_textarea_process(array('element' => 'comment', 'type' => $node->type, 'nid' => $form['nid']['#value'], 'cid' => $form['cid']['#value'])); } } } /** * Implementation of hook_nodeapi(). */ function file_embed_nodeapi(&$node, $op, $a3 = NULL, $a4 = NULL) { switch ($op) { case 'view': drupal_add_css(drupal_get_path('module', 'file_embed') .'/file_embed.css'); drupal_add_css(drupal_get_path('module', 'file') .'/file.css'); drupal_add_js(drupal_get_path('module', 'file') .'/file.js'); break; } } /** * Implementation of hook_filter(). */ function file_embed_filter($op, $delta = 0, $format = -1, $text = '') { if ($op == 'list') { return array( FILE_EMBED_FILE_FILTER => t('File embedding'), ); } switch ($delta) { case FILE_EMBED_FILE_FILTER: switch ($op) { case 'description': return t('Allows embedding inline file previews into content.'); case 'process': return file_embed_file_filter($op, $text); case 'settings': return; default: return $text; } break; } } /** * Implementation of hook_filter_tips(). */ function file_embed_filter_tips($delta, $format, $long = FALSE) { switch ($delta) { case FILE_EMBED_FILE_FILTER: return t('Use [file:nid] to embed an inline preview of a previously uploaded file.'); } } /** * Implementation of hook_elements(). */ function file_embed_elements() { return array('textarea' => array('#process' => array('file_embed_textarea_process'))); } /** * Alters textarea element and adds embed links. * * @param $element * A form element to alter. * * @return * Altered form element. */ function file_embed_textarea_process($element) { static $type = NULL; if (isset($element['element'])) { $type = $element; return; } // Match the current path against the allowed paths configured by the administrator if (user_access('embed files') && _file_embed_page_match($_GET['q'])) { // By default, only show the link on the node edit screen and the comment edit screen $fields = array_map('rtrim', explode("\n", FILE_EMBED_BUTTON_FIELDS)); $fields = array_filter($fields, 'strlen'); // remove empty elements if (in_array($element['#name'], $fields)) { // Ensure that no matter the field settings, only one link is added per // page - this prevents problems with file_gallery's Thickbox.js library /* static $counter = 0; if (++$counter == 1) { $element['#suffix'] = isset($element['#suffix']) ? $element['#suffix'] : ''; $element['#suffix'] .= _file_embed_textarea_link($element, $type); } */ // For the comment the textarea is proccesed twice, therefore commenting out // this section for now. $element['#suffix'] = isset($element['#suffix']) ? $element['#suffix'] : ''; $element['#suffix'] .= _file_embed_textarea_link($element, $type); } } return $element; } /** * Creates embed links on textarea element. * * @param $element * A form element to alter. * @param $type * An array with a nid or cid key showing if the element is in a node or comment. * * @return * A HTML link representation. */ function _file_embed_textarea_link($element, $type, $link = FILE_EMBED_BUTTON_TYPE) { _file_embed_add_headers(); $_GET['textarea'] = $element['#id']; $id = $element['#id']; list($width, $height) = explode('x', FILE_EMBED_POPUP_SIZE); $query = array('module' => 'file_embed', 'layout' => 'off', 'nid' => $type['nid'], 'textarea' => $id); $query += isset($type['cid']) ? array('cid' => $type['cid']) : array(); $query += array('TB_iframe' => 'true', 'height' => $height, 'width' => $width); $url = array('url' => 'file_gallery', 'query' => array_merge(file_embed_file_gallery('query'), $query)); $output = theme('file_embed_textarea_link', compact('id', 'url', 'link')); return $output; } ////////////////////////////////////////////////////////////////////////////// // File filter implementation /** * Implements file filter. * Supported syntax: [file:nid attr1=value1 attr2=value2 ...] * * @param $text * Text string with the filter. * * @return * Output string with a filter substituted with the actual HTML snippet. */ function file_embed_file_filter($op, $text) { $callback = 'file_embed_file_filter_'. $op; return preg_replace_callback('/\[file:\s{0,1}(\d+)(\s*[^\]]*)\]/', $callback, $text); } /** * Auxiliary filter process function * * @param $matches * Array of the matched filter criterias. * * @return * The HTML snippet which should be injected instead of the filter. */ function file_embed_file_filter_process($matches) { $nid = intval($matches[1]); if (($node = node_load($nid)) && !empty($node->file)) { $string = $matches[2]; $attributes = array('handler', 'align', 'link', 'caption', 'padding'); $options = array(); if (!empty($string)) { foreach ($attributes as $a) { $string = preg_replace("/\s+$a=/", "||$a=", $string); } $args = explode('||', $string); foreach ($args as $arg) { if (!empty($arg)) { list($k, $v) = explode('=', $arg, 2); $options[$k] = $v; } } } // Set the default handler if not specified in the filter. /* if (!isset($options['handler'])) { $file_handlers = file_handlers_for($node->file); foreach (file_get_mime_handlers() as $handler => $data) { if (array_key_exists($handler, $file_handlers) && function_exists($handler .'_render')) { $options['handler'] = $handler; break; } } } */ $options['file_html'] = file_wrapper_html($node, isset($options['handler']) ? $options['handler'] : NULL, array('container' => FALSE), TRUE); $handlers = file_handlers_for($node->file); if (isset($options['link']) && $options['handler'] != 'file' && isset($options['handler']) && preg_match('/^image\//', $handlers[$options['handler']]['type'])) { $options['file_html'] = l($options['file_html'], 'node/'. $node->nid, array('html' => TRUE)); } return theme('file_embed_file', $options); } return ''; } ////////////////////////////////////////////////////////////////////////////// // Miscellaneous helpers /** * Loads a page headders. */ function _file_embed_add_headers() { static $initialized = FALSE; if (!$initialized) { $initialized = TRUE; _file_gallery_add_headers(); drupal_add_js(drupal_get_path('module', 'file_embed') .'/jquery/fieldselection/jquery-fieldselection.js'); drupal_add_css(drupal_get_path('module', 'file_embed') .'/file_embed.css'); drupal_add_js(drupal_get_path('module', 'file_embed') .'/file_embed.js'); drupal_add_js(array('file_embed' => array( 'popupTitle' => t('Embed an existing file'), )), 'setting'); } } /** * Matches the current path against the allowed paths configured by the administrator * * @param $path * A path to check if we have embed options enabled for it. * * @return * TRUE or FALSE based on the check. */ function _file_embed_page_match($path) { $alias = drupal_get_path_alias($path); $path = drupal_get_normal_path($path); // normalize path // Match the user's settings against the given path $regexp = '/^('. preg_replace(array('/(\r\n?|\n)/', '/\\\\\*/', '/(^|\|)\\\\($|\|)/'), array('|', '.*', '\1'. preg_quote(variable_get('site_frontpage', 'node'), '/') .'\2'), preg_quote(FILE_EMBED_BUTTON_PAGES, '/')) .')$/'; return !(FILE_EMBED_BUTTON_OPTION xor preg_match($regexp, $alias)); } ////////////////////////////////////////////////////////////////////////////// // Form API /** * Creates an options form. */ function file_embed_options_form($form_state, $node) { $file = $node->file; if (!node_access('view', $node) || !is_object($file)) return; $options = array(); $file_handlers = file_handlers_for($file); foreach (file_get_mime_handlers() as $handler => $data) { if (array_key_exists($handler, $file_handlers) && function_exists($handler .'_render')) { $options[$handler] = $data['name']; } } $options = array_merge($options, array('file' => t('File'))); $form['embed'] = array('#type' => 'fieldset', '#title' => t('Embed options'), '#collapsible' => TRUE, '#collapsed' => FALSE); $form['embed']['caption'] = array( '#type' => 'textarea', '#title' => t('Caption (optional)'), '#default_value' => $node->body, '#cols' => 30, '#rows' => 3, '#maxlength' => 255, ); $form['embed']['handler'] = array( '#type' => 'select', '#title' => t('Handler'), '#default_value' => '', '#options' => $options, ); $form['embed']['align'] = array( '#type' => 'select', '#title' => t('Alignment'), '#default_value' => '', '#options' => array('' => t('No float'), 'left' => t('Float left'), 'right' => t('Float right')), ); /* $form['embed']['padding'] = array( '#type' => 'textfield', '#title' => t('Padding'), '#default_value' => 0, '#size' => 3, '#maxlength' => 3, ); */ $form['embed']['link'] = array( '#type' => 'checkbox', '#title' => t('Link embedded file to the file\'s node'), '#default_value' => 1, ); $form['embed']['insert'] = array( '#type' => 'button', '#value' => t('Insert'), '#name' => 'file-embed-insert', '#submit' => FALSE, ); $form['embed']['cancel'] = array( '#type' => 'button', '#value' => t('Cancel'), '#name' => 'file-embed-cancel', '#submit' => FALSE, ); $form['nid'] = array('#type' => 'hidden', '#value' => $node->nid); $form['textarea'] = array('#type' => 'hidden', '#value' => $_GET['textarea']); $form['#prefix'] = '

'; $form['#sufix'] = '

"'; return $form; } ////////////////////////////////////////////////////////////////////////////// // Menu callbacks /** * Creates an embed option page. */ function file_embed_options($node) { // This would ideally be in file_embed.js, but IE6 gives us grief by not // loading the external JS file in successive Thickbox openings, so we'll // just do this the old-fashioned ugly way: $script = ''; $title = check_plain($node->title); if (defined('FILE_IMAGE_MEDIUM_RESOLUTION')) $preview = file_get_image($node->file, 'file_image_medium', explode('x', FILE_IMAGE_MEDIUM_RESOLUTION)); $form = drupal_get_form('file_embed_options_form', $node); print theme('file_gallery_page', theme('file_embed_options', compact('script', 'title', 'preview', 'form'))); } ////////////////////////////////////////////////////////////////////////////// // File gallery integration /** * Implementation of hook_file_gallery(). */ function file_embed_file_gallery($op) { $args = array_slice(func_get_args(), 1); // skip $op. switch ($op) { case 'query': $query = $_GET; unset($query['q']); unset($query['page']); return $query; case 'node_link': return array('link' => 'file_embed/options/'. array_shift($args), 'query' => array('textarea' => check_plain($_GET['textarea']), 'textarea_start' => isset($_GET['textarea_start']) ? check_plain($_GET['textarea_start']) : 0, 'textarea_end' => isset($_GET['textarea_end']) ? check_plain($_GET['textarea_end']) : 0)); case 'file_links': return array('show' => array(), 'open' => array(), 'view' => array(), 'embed' => array('title' => t('Embed'), 'href' => 'file_embed/options/'. array_shift($args), 'query' => array('textarea' => check_plain($_GET['textarea']), 'textarea_start' => isset($_GET['textarea_start']) ? check_plain($_GET['textarea_start']) : 0, 'textarea_end' => isset($_GET['textarea_end']) ? check_plain($_GET['textarea_end']) : 0), 'attributes' => array('title' => t('Embed file in the node.')))); case 'pager': return FILE_EMBED_POPUP_PER_PAGE; case 'thickbox': return FALSE; case 'filter': return TRUE; case 'navigation': return TRUE; case 'show_tabs': return TRUE; case 'tabs': return ($nodes = _file_embed_attachments()) && !empty($nodes) ? array('attach' => t('Attachments')) : NULL; case 'nodes': return ($action = array_shift($args)) && $action == 'attach' ? _file_embed_attachments() : NULL; case 'breadcrumb_home': return FALSE; case 'breadcrumb_root': return array('file_gallery/all' => t('All files')); case 'page_js': return "$(document).ready(function() { parent.$('#file-embed-edit-body a.file-embed-select').attr('href', String(parent.$('#file-embed-edit-body a.file-embed-select').attr('href')).replace(/(file_gallery.*)\?/, String(location.href).match(/(file_gallery.*)\?/)[1] + '?')); });"; } } ////////////////////////////////////////////////////////////////////////////// // Auxiliary functions /** * Gets node or comment attachments. * * @return * An array of the attachment nids. */ function _file_embed_attachments() { $nid = $_GET['nid']; $cid = isset($_GET['cid']) ? $_GET['cid'] : NULL; if (!is_numeric($nid) || !user_access('view attached files')) return; $node = node_load($nid); if (!node_access('view', $node)) return; $nids = array(); if (module_exists('file_attach')) { if (is_numeric($cid) && variable_get('file_attach_comment_'. $node->type, 1) && ($files = _file_attach_load($nid, $node->vid, $cid)) && !empty($files)) { foreach ($files as $file) { $nids[] = $file->nid; } } else if (variable_get('file_attach_node_'. $node->type, 1) && !empty($node->files)) { foreach ($node->files as $file) { $nids[] = $file->nid; } } } return $nids; }