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<?php
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// $Id: inline_upload.module,v 1.12 2009/08/12 05:54:36 sun Exp $
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/**
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* @file
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* Inline API implementation to render uploaded attachments inline.
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*/
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/**
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* Implementation of hook_inline_info().
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*
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* @see hook_inline_info()
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*/
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function inline_upload_inline_info() {
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$info['upload'] = array(
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'callback' => 'inline_upload_inline',
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);
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return $info;
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}
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/**
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* Implementation of hook_inline().
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*
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* @param $op
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* The current operation performed.
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* @param $macro
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* An inline macro object containing user supplied values, passed by reference.
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*/
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function inline_upload_inline($op, &$macro) {
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switch ($op) {
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case 'args':
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// Return an array of available/required tag arguments.
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$args = array(
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// @todo Use vid instead here?
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'nid' => array(
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'#title' => t('Node id'),
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'#description' => t('A node id containing a file to render.'),
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'#type' => 'int',
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'#default_value' => 0,
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),
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'file' => array(
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'#title' => t('File'),
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'#description' => t('The number or name of a file to render.'),
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'#required' => TRUE,
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),
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'title' => array(
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'#title' => t('Title'),
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'#description' => t('A optional title to use for the link text.'),
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'#type' => 'string',
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),
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);
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return $args;
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case 'presave':
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// Context may be passed via inline_nodeapi().
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if (!isset($macro->params['nid']) && !empty($macro->context['node'])) {
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$macro->params['nid'] = $macro->context['node']->nid;
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}
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// Mark this tag as permanent, if we already have a node id.
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// @todo Reverse the temporary/permanent logic; this is only used by a
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// minority of inline macros.
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if (!empty($macro->params['nid'])) {
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$macro->status = 0;
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}
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// @todo The processing of the current form state is required to
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// properly update a file's description (tooltip) during previews
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// as well as during final saving of a node.
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// However, this operation is only invoked when the macro is saved to
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// the database, but not for rendering. Not sure what the common
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// denominator of 'presave' and 'prepare' is, but it seems we need a
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// new operation... 'prepare' => 'prerender' at least!
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// Afterwards, use 'prepare' to perform alterations on the macro
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// before it is processed for editing.
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// Convert a (human) numeric file reference to a named one.
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if (isset($macro->params['file']) && is_int($macro->params['file'])) {
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// Account for new uploaded files in node preview.
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// @see upload_js()
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// @todo This basically works how it should. However, altered weights are
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// applied when doing a subsequent preview only. So we may have to
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// additionally derive the attachment weights from the form in $_POST.
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$cached_form_state = array();
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if (isset($_POST['form_build_id']) && ($cached_form = form_get_cache($_POST['form_build_id'], $cached_form_state)) && isset($cached_form['#node']) && isset($cached_form['attachments']['wrapper']['files'])) {
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$files = array();
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foreach (element_children($cached_form['attachments']['wrapper']['files']) as $fid) {
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$element = $cached_form['attachments']['wrapper']['files'][$fid];
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if (empty($element['remove']['#default_value'])) {
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$file = new stdClass;
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foreach ($element as $key => $item) {
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$file->{$key} = (isset($item['#value']) ? $item['#value'] : $item['#default_value']);
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}
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$files[$fid] = $file;
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}
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}
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}
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if (isset($files)) {
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// Humans start to count from 1.
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$filekeys = array_keys($files);
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if (isset($filekeys[$macro->params['file'] - 1])) {
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$macro->params['file'] = $files[$filekeys[$macro->params['file'] - 1]]->filename;
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}
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}
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}
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return;
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case 'validate':
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// Custom validation of user supplied values.
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return TRUE;
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case 'prepare':
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// Prepare user supplied values for rendering.
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if ($macro->params['nid'] == 0) {
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// Insert some tricky code to insert current node id here. 02/02/2008 sun
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if (arg(0) == 'node' && is_numeric(arg(1))) {
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$macro->params['nid'] = (int)arg(1);
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}
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}
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// Load a node object if valid nid is given.
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if ($macro->params['nid'] > 0) {
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$node = node_load($macro->params['nid']);
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if (node_access('view', $node)) {
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$macro->upload['node'] = $node;
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}
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}
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return;
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case 'render':
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// Return a rendered representation to replace a tag.
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if (!isset($macro->upload['node'])) {
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return;
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}
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// Find the referenced file.
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foreach ($macro->upload['node']->files as $node_file) {
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if ($node_file->filename == $macro->params['file']) {
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$file = $node_file;
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break;
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}
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}
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if (isset($file)) {
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// Alter the file object on node previews.
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inline_upload_prepare_file_object($file);
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if (!empty($macro->params['title'])) {
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$file->title = $macro->params['title'];
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}
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// Decide whether to show a link or an image tag.
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if (_inline_upload_decide_img_tag($file)) {
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// @todo Provide different rendering options for images, i.e.
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// imagecache presets. Seems like we can't support different presets
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// for teaser and page view anymore. :-(
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// Only hook_nodeapi($op = view|alter) provides $node->build_mode.
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$output = theme('inline_upload_img', $file, '');
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}
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else {
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$output = theme('inline_upload_as_link', $file);
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}
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}
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else {
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$output = '<span style="color: red; font-weight: bold;">NOT FOUND: '. $macro->params['file'] .'</span>';
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}
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return $output;
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}
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}
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/**
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* Implementation of hook_theme().
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*/
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function inline_upload_theme() {
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return array(
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'inline_upload_as_link' => array(
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'arguments' => array('file' => NULL),
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),
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'inline_upload_img' => array(
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'arguments' => array('file' => NULL, 'field' => NULL),
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),
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'inline_upload_prepend_to_field' => array(
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'arguments' => array('node' => NULL, 'file' => NULL, 'field' => NULL),
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),
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);
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}
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/**
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* Implementation of hook_menu().
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*/
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function inline_upload_menu() {
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$items['admin/settings/inline/inline_upload'] = array(
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'title' => 'Inline Upload',
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'description' => 'Manage automatic and manual inclusion of attachments in the content of your posts.',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('inline_upload_settings'),
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'access arguments' => array('administer inline settings'),
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);
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return $items;
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}
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/**
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* Inline settings form builder function.
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*/
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function inline_upload_settings() {
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$form = array();
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// Check if Inline filter is enabled
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$inline_upload_activated = FALSE;
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foreach (filter_formats() as $format) {
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foreach (filter_list_format($format->format) as $filter) {
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if ($filter->module == 'inline') {
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$inline_upload_activated = TRUE;
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break 2;
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}
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}
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}
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if ($inline_upload_activated == FALSE) {
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drupal_set_message(t('Inline filter is not yet enabled for at least one <a href="!formats">input format</a>.', array('!formats' => url('admin/settings/filters'))), 'error');
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}
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$form['inline']['upload']['image_link'] = array(
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'#type' => 'fieldset',
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'#title' => t('Image output'),
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'#collapsible' => TRUE,
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'#description' => t('<strong>Note:</strong> Images are only processed if a tag is referencing them. However, there is a auto-inline feature to inline all uploaded images automatically. Auto-inline can be enabled for certain <a href="!content-types">content types</a>.', array('!content-types' => url('admin/content/types'))),
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);
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$form['inline']['upload']['image_link']['inline_upload_link_img'] = array(
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'#type' => 'radios',
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'#title' => t('Link to images'),
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'#default_value' => variable_get('inline_upload_link_img', 1),
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'#options' => array(
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'0' => t('Display image only'),
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'1' => t('Display image with a link to the image file')
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),
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);
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$imagecache_path = '';
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$presets = array();
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if (module_exists('imagecache')) {
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// ImageCache v2 API.
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if (function_exists('imagecache_presets')) {
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$imagecache_path = url('admin/build/imagecache');
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$rules = imagecache_presets();
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foreach ($rules as $preset_id => $preset_info) {
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$presets[$preset_id] = $preset_info['presetname'];
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}
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}
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// ImageCache v1 API (deprecated).
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else {
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$imagecache_path = url('admin/settings/imagecache');
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$presets = _imagecache_get_presets();
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}
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}
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$form['inline']['upload']['image_scaling'] = array(
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'#type' => 'fieldset',
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'#title' => t('Image dimensions and scaling'),
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'#collapsible' => TRUE,
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'#description' => (module_exists('imagecache') ? t('Select the <a href="!presets">Imagecache presets</a> to use for inlined images.', array('!presets' => $imagecache_path)) : t('<strong>Note:</strong> If <a href="!imagecache">Imagecache</a> module is installed, Inline provides support for image scaling.', array('!imagecache' => url('http://drupal.org/project/imagecache')))),
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);
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// If Imagecache module exists and is enabled, we assume that we want to use
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// the improved image handling instead of our own.
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if ($presets) {
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$options = array();
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$options[''] = 'No Imagecache processing';
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foreach ($presets as $id => $name) {
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$options[$name] = $name;
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}
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$form['inline']['upload']['image_scaling']['inline_upload_teaser_preset'] = array(
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'#title' => t('Teaser preset'),
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'#description' => t('Select the Imagecache preset to use for inlined images in teaser view.'),
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'#type' => 'select',
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'#options' => $options,
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'#default_value' => variable_get('inline_upload_teaser_preset', ''),
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);
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$form['inline']['upload']['image_scaling']['inline_upload_full_preset'] = array(
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'#title' => t('Full preset'),
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'#description' => t('Select the Imagecache preset to use for inlined images in full view.'),
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'#type' => 'select',
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'#options' => $options,
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'#default_value' => variable_get('inline_upload_full_preset', ''),
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);
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}
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else {
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$form['inline']['upload']['image_scaling']['inline_upload_img_dim'] = array(
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'#type' => 'textfield',
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'#title' => t('Maximum width and height for inline images (format: XXX,YYY)'),
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'#size' => 10,
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'#maxlength' => 10,
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'#required' => TRUE,
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'#default_value' => variable_get('inline_upload_img_dim', '150,150'),
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'#description' => t('This setting limits the dimensions of displayed images in pixels. They will not be resized. Images exceeding these dimensions are automatically not displayed.', array('!content-types' => url('admin/content/types'))),
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);
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}
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return system_settings_form($form);
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}
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/**
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* Change file path of new files for previews.
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*
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* New files are stored in a temporary upload directory until the content
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* is saved. We alter the file object accordingly, so such files may be
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* displayed if the temporary directory is inside the root directory of
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* this Drupal site (publicly accessible).
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*/
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function inline_upload_prepare_file_object($file) {
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$file = (object)$file;
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// @todo Remove.
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if (!is_numeric($file->fid)) {
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$file->in_preview = TRUE;
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$file->real_path = $file->filepath;
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$file->filepath = $file->_filename;
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}
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return $file;
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}
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/**
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* Decide if an image tag (<IMG>) or a link to a file should be rendered.
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*
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* @param $file
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* A file object.
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*
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* @return
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* TRUE in case an image tag should be generated.
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*/
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function _inline_upload_decide_img_tag($file) {
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$inlined = array('jpg', 'jpeg', 'pjpeg', 'gif', 'png');
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$mime = array_pop(explode('/', $file->filemime));
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if (in_array($mime, $inlined)) {
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if (module_exists('imagecache')) {
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return TRUE;
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}
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else {
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// Read maximum dimension settings.
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list($maxwidth, $maxheight) = explode(',', variable_get('inline_upload_img_dim', '150,150'));
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if (!empty($file->in_preview)) {
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list($width, $height) = @getimagesize($file->real_path);
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}
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else {
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list($width, $height) = @getimagesize($file->filepath);
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}
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if (($width && $height) && ($width <= $maxwidth && $height <= $maxheight)) {
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return TRUE;
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}
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}
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}
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return FALSE;
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}
|
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|
| 348 |
/**
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| 349 |
* Return HTML for a link to a file.
|
| 350 |
*
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| 351 |
* @param $file
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| 352 |
* A file object.
|
| 353 |
*/
|
| 354 |
function theme_inline_upload_as_link($file) {
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// Prepare link text with title or filename.
|
| 356 |
$linktext = (!empty($file->title) ? $file->title : $file->filename);
|
| 357 |
$targs = array(
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| 358 |
'@name' => $file->filename,
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| 359 |
'@size' => format_size($file->filesize),
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| 360 |
);
|
| 361 |
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| 362 |
return l($linktext, file_create_url($file->filepath), array(
|
| 363 |
'attributes' => array(
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| 364 |
'title' => t('Download: @name (@size)', $targs),
|
| 365 |
'class' => 'inline-link inline-file-mime-' . strtr($file->filemime, '/.', '-'),
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| 366 |
),
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| 367 |
));
|
| 368 |
}
|
| 369 |
|
| 370 |
/**
|
| 371 |
* Return HTML for an image.
|
| 372 |
*/
|
| 373 |
function theme_inline_upload_img($file, $field) {
|
| 374 |
// Prepare link text with inline title, file description or filename.
|
| 375 |
$title = (!empty($file->title) ? $file->title : (!empty($file->description) ? $file->description : $file->filename));
|
| 376 |
$inline_upload_preset = ($field == 'teaser' ? 'inline_upload_teaser_preset' : 'inline_upload_full_preset');
|
| 377 |
$url = file_create_url($file->filepath);
|
| 378 |
|
| 379 |
if (module_exists('imagecache') && variable_get($inline_upload_preset, '') != '') {
|
| 380 |
// ImageCache implements its own private files handling.
|
| 381 |
$output = theme('imagecache',
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| 382 |
variable_get($inline_upload_preset, ''),
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| 383 |
$file->filepath,
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| 384 |
$title,
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| 385 |
$title,
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| 386 |
array('class' => 'inline')
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| 387 |
);
|
| 388 |
}
|
| 389 |
else {
|
| 390 |
// Private files support: theme_image() requires us to set $getsize to FALSE
|
| 391 |
// and prepare image attributes on our own.
|
| 392 |
$info = image_get_info($file->filepath);
|
| 393 |
$output = theme('image',
|
| 394 |
$url,
|
| 395 |
$title,
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| 396 |
$title,
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| 397 |
array('class' => 'inline', 'width' => $info['width'], 'height' => $info['height']),
|
| 398 |
FALSE
|
| 399 |
);
|
| 400 |
}
|
| 401 |
|
| 402 |
if (variable_get('inline_upload_link_img', '1')) {
|
| 403 |
$attributes = array(
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| 404 |
'class' => 'inline-image-link',
|
| 405 |
'title' => t('View: @file', array('@file' => $title)),
|
| 406 |
);
|
| 407 |
$output = l($output, $url, array('attributes' => $attributes, 'html' => TRUE));
|
| 408 |
}
|
| 409 |
|
| 410 |
return $output;
|
| 411 |
}
|
| 412 |
|
| 413 |
/**
|
| 414 |
* @defgroup inline_upload_auto Auto inline support
|
| 415 |
* @{
|
| 416 |
*/
|
| 417 |
|
| 418 |
/**
|
| 419 |
* Implementation of hook_form_alter().
|
| 420 |
*
|
| 421 |
* Allows to enable/disable auto-inline support for each content type.
|
| 422 |
*/
|
| 423 |
function inline_upload_form_alter(&$form, &$form_state, $form_id) {
|
| 424 |
if ($form_id == 'node_type_form' && isset($form['identity']['type'])) {
|
| 425 |
$form['workflow']['upload_inline_upload'] = array(
|
| 426 |
'#type' => 'radios',
|
| 427 |
'#title' => t('Display attachments inline automatically'),
|
| 428 |
'#default_value' => variable_get('upload_inline_upload_'. $form['#node_type']->type, 0),
|
| 429 |
'#options' => array(
|
| 430 |
0 => t('Disabled'),
|
| 431 |
1 => t('Only in teaser view'),
|
| 432 |
2 => t('Only in body view'),
|
| 433 |
3 => t('In teaser and body view')),
|
| 434 |
'#description' => t('Choose whether uploaded images should be shown inline automatically. Make sure you set the dimensions at !settings_url', array('!settings_url' => l(t('Inline Upload settings'), 'admin/settings/inline/inline_upload'))),
|
| 435 |
);
|
| 436 |
}
|
| 437 |
}
|
| 438 |
|
| 439 |
/**
|
| 440 |
* Implementation of hook_nodeapi().
|
| 441 |
*
|
| 442 |
* @todo Break processing at all if Inline filter is not enabled.
|
| 443 |
*/
|
| 444 |
function inline_upload_nodeapi(&$node, $op, $arg) {
|
| 445 |
if (!(isset($node->files) && is_array($node->files))) {
|
| 446 |
return;
|
| 447 |
}
|
| 448 |
switch ($op) {
|
| 449 |
case 'alter':
|
| 450 |
case 'print':
|
| 451 |
case 'rss item':
|
| 452 |
if (variable_get('upload_inline_upload_'. $node->type, 0)) {
|
| 453 |
$node = _inline_upload_auto_add($node);
|
| 454 |
}
|
| 455 |
return;
|
| 456 |
}
|
| 457 |
}
|
| 458 |
|
| 459 |
/**
|
| 460 |
* Automatically add all images to configured node views.
|
| 461 |
*
|
| 462 |
* This feature can be configured per content-type.
|
| 463 |
*/
|
| 464 |
function _inline_upload_auto_add($node) {
|
| 465 |
switch (variable_get('upload_inline_upload_'. $node->type, 0)) {
|
| 466 |
case 1:
|
| 467 |
// Display only in teaser.
|
| 468 |
foreach ($node->files as $fid => $file) {
|
| 469 |
$file = inline_upload_prepare_file_object($file);
|
| 470 |
if (_inline_upload_decide_img_tag($file)) {
|
| 471 |
$node->files[$fid]->inline = TRUE;
|
| 472 |
$node->teaser = theme('inline_upload_prepend_to_field', $node, $file, 'teaser');
|
| 473 |
}
|
| 474 |
else {
|
| 475 |
$node->files[$fid]->inline = FALSE;
|
| 476 |
}
|
| 477 |
}
|
| 478 |
break;
|
| 479 |
|
| 480 |
case 2:
|
| 481 |
// Display only in body.
|
| 482 |
foreach ($node->files as $fid => $file) {
|
| 483 |
$file = inline_upload_prepare_file_object($file);
|
| 484 |
if (_inline_upload_decide_img_tag($file)) {
|
| 485 |
$node->files[$fid]->inline = TRUE;
|
| 486 |
$node->body = theme('inline_upload_prepend_to_field', $node, $file, 'body');
|
| 487 |
}
|
| 488 |
else {
|
| 489 |
$node->files[$fid]->inline = FALSE;
|
| 490 |
}
|
| 491 |
}
|
| 492 |
break;
|
| 493 |
|
| 494 |
case 3:
|
| 495 |
// Display in teaser and body.
|
| 496 |
foreach ($node->files as $fid => $file) {
|
| 497 |
$file = inline_upload_prepare_file_object($file);
|
| 498 |
if (_inline_upload_decide_img_tag($file)) {
|
| 499 |
$node->files[$fid]->inline = TRUE;
|
| 500 |
$node->teaser = theme('inline_upload_prepend_to_field', $node, $file, 'teaser');
|
| 501 |
$node->body = theme('inline_upload_prepend_to_field', $node, $file, 'body');
|
| 502 |
}
|
| 503 |
else {
|
| 504 |
$node->files[$fid]->inline = FALSE;
|
| 505 |
}
|
| 506 |
}
|
| 507 |
break;
|
| 508 |
}
|
| 509 |
return $node;
|
| 510 |
}
|
| 511 |
|
| 512 |
/**
|
| 513 |
* Insert an image in front of node field.
|
| 514 |
*
|
| 515 |
* @param $node
|
| 516 |
* The node object to process.
|
| 517 |
* @param $file
|
| 518 |
* A file object of an image to insert.
|
| 519 |
* @param $field
|
| 520 |
* The field name to prepend with the image.
|
| 521 |
*/
|
| 522 |
function theme_inline_upload_prepend_to_field($node, $file, $field) {
|
| 523 |
return theme('inline_upload_img', $file, $field) . $node->$field;
|
| 524 |
}
|
| 525 |
|
| 526 |
/**
|
| 527 |
* @} End of "defgroup inline_upload_auto".
|
| 528 |
*/
|
| 529 |
|
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