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<?php
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// $Id: node_images.pages.inc,v 1.0 2008/05/01 23:59:24 stefano73 Exp $
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/**
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* @file
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* Page callbacks for adding, editing and deleting node images.
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*/
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function _node_images_edit_form(&$form_state, $node) {
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global $user;
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$form = array(
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'#cache' => FALSE,
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'#prefix' => '<div id="node_images-wrapper">',
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'#suffix' => '</div>',
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);
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if (_node_images_access('create', $node)) {
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$form['new'] = array(
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'#type' => 'fieldset',
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'#title' => t('Upload a new image'),
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'#collapsible' => TRUE,
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'#collapsed' => !empty($node->node_images),
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'#weight' => -30,
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'#theme' => 'node_images_form_upload',
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);
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$limits = _node_images_file_limits($user);
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$form['new']['description'] = array(
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'#type' => 'textfield',
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'#title' => t('Description'),
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'#size' => 50,
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'#maxlength' => 255,
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'#default_value' => '',
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'#description' => t('Enter a description for the new image, max 255 chars.'),
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);
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$form['new']['weight'] = array(
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'#type' => 'weight',
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'#title' => t('Weight'),
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);
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$form['new']['list'] = array(
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'#type' => 'radios',
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'#title' => t('List'),
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'#options' => array(1 => t('Yes'), 0 => t('No')),
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'#default_value' => 1,
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);
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$form['new']['node_images_file'] = array(
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'#type' => 'file',
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'#title' => t('Attach new image'),
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'#size' => 40,
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'#description' => ($limits['resolution'] ? t('Images larger than %resolution will be resized. ', array('%resolution' => $limits['resolution'])) : '') . t('The maximum upload size is %filesize. Only files with the following extensions may be uploaded: %extensions. ', array('%extensions' => $limits['extensions'], '%filesize' => format_size($limits['file_size']))),
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);
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$form['new']['attach'] = array(
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'#type' => 'submit',
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'#value' => t('Upload'),
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'#name' => 'attach',
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'#ahah' => array(
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'path' => 'node_images/js',
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'wrapper' => 'node_images-wrapper',
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'progress' => array('type' => 'bar', 'message' => t('Please wait...')),
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),
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'#submit' => array('_node_images_upload_submit'),
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);
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// This value is used in _node_images_js().
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$form['new']['nid'] = array('#type' => 'hidden', '#value' => $node->nid);
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}
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$form['node_images'] = array(
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'#theme' => 'node_images_form_list',
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'#tree' => TRUE,
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'#type' => 'fieldset',
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'#title' => t('Image list'),
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'#weight' => 10,
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);
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if (!empty($node->node_images) && is_array($node->node_images)) {
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// set an appropriate value for delta in weight selectbox
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$delta = db_result(db_query('SELECT MAX(ABS(weight)) FROM {node_images} WHERE nid=%d', $node->nid));
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$delta += count($node->node_images);
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foreach ($node->node_images as $key => $file) {
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$file = (object)$file;
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$url = file_create_url($file->filepath);
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$thumb = file_create_url($file->thumbpath);
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$description = file_create_url($file->filepath);
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$description = "<small>". check_plain($description) ."</small>";
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$row = array();
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$row['id'] = array('#type' => 'value', '#value' => $file->id);
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$row['delete'] = array('#type' => 'checkbox');
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$row['list'] = array('#type' => 'checkbox', '#default_value' => $file->list);
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$row['thumbnail'] = array('#value' => '<img src="'.$thumb.'" alt="" />');
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$row['description'] = array('#type' => 'textfield', '#default_value' => $file->description, '#maxlength' => 255, '#size' => 40);
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$row['filepath'] = array('#value' => l($file->filepath, file_create_url($file->filepath), array('attributes' => array('target' => '_blank'))));
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$row['filesize'] = array('#value' => format_size($file->filesize));
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$row['date'] = array('#value' => format_date($file->timestamp));
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$row['weight'] = array('#type' => 'weight', '#delta' => $delta, '#default_value' => $file->weight);
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$form['node_images']['images'][$key] = $row;
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}
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$form['node_images']['submit'] = array('#type' => 'submit', '#value' => t('Save changes'), '#submit' => array('_node_images_form_submit'));
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}
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$form['nid'] = array('#type' => 'value', '#value' => $node->nid);
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$form['#attributes']['enctype'] = 'multipart/form-data';
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return $form;
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}
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/**
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* Save changes to the image list.
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*
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* @param $form
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* The form structure.
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* @param $form_state
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* An associative array containing the current state of the form.
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*/
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function _node_images_form_submit($form, &$form_state) {
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global $user;
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$node = node_load($form_state['values']['nid']);
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$update_access = _node_images_access('update', $node);
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$delete_access = _node_images_access('delete', $node);
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foreach($form_state['values']['node_images']['images'] as $id => $values) {
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if ($values['delete']) {
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$r = db_fetch_object(db_query('SELECT filepath, thumbpath, uid FROM {node_images} WHERE id=%d AND nid=%d',
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$id, $node->nid));
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// if user has no delete access to the node, he can delete his own images only
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if (!$delete_access && $user->uid != $r->uid) continue;
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// delete selected image
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file_delete($r->filepath);
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file_delete($r->thumbpath);
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db_query('DELETE FROM {node_images} WHERE id=%d AND nid=%d', $id, $node->nid);
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}
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else {
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$object = (object) $values;
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$object->nid = $node->nid;
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$update = array('id', 'nid');
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// if user has no delete access to the node, he can update his own images only
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if (!$update_access) {
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$update['uid'] = $user->uid;
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}
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drupal_write_record('node_images', $object, $update);
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}
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}
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drupal_set_message(t('The changes have been saved.'));
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}
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/**
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* Theme the upload form.
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*
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* @ingroup themeable
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*/
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function theme_node_images_form_upload(&$form) {
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$output = '<div style="float:left; margin-right:20px;">';
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$output .= drupal_render($form['description']);
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$output .= '</div>';
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$output .= '<div style="float:left; margin-right:20px;">';
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$output .= drupal_render($form['weight']);
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$output .= '</div>';
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$output .= '<div style="float:left;">';
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$output .= drupal_render($form['list']);
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$output .= '</div>';
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$output .= '<div style="clear:both;">';
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$output .= drupal_render($form);
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return $output;
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}
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/**
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* Theme the image list.
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*
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* @ingroup themeable
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*/
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function theme_node_images_form_list(&$form) {
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$header = array('', t('Delete'), t('List'), t('Thumbnail'), t('Description and info'), t('Weight'), t('Size'));
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drupal_add_tabledrag('node_images_list', 'order', 'sibling', 'node_images-weight');
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foreach (element_children($form['images']) as $key) {
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if (!$form['images'][$key]['thumbnail']) continue;
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// Add class to group weight fields for drag and drop.
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$form['images'][$key]['weight']['#attributes']['class'] = 'node_images-weight';
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$info = '<div class="node_images_info">'.t('Uploaded on: %date', array('%date' => drupal_render($form['images'][$key]['date']))).'</div>';
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$info .= '<div class="node_images_info">'.t('Path: !path', array('!path' => drupal_render($form['images'][$key]['filepath']))).'</div>';
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$row = array('');
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$row[] = drupal_render($form['images'][$key]['delete']);
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$row[] = drupal_render($form['images'][$key]['list']);
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$row[] = drupal_render($form['images'][$key]['thumbnail']);
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$row[] = array('data' => drupal_render($form['images'][$key]['description']).$info, 'width' => '100%');
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$row[] = drupal_render($form['images'][$key]['weight']);
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$row[] = array('data' => drupal_render($form['images'][$key]['filesize']), 'class' => 'nowrap');
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$rows[] = array('data' => $row, 'class' => 'draggable');
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}
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$output = '';
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if (!empty($rows)) $output .= theme('table', $header, $rows, array('id' => 'node_images_list'));
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$output .= drupal_render($form);
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return $output;
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}
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/************************************************************
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* Gallery functions
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************************************************************/
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function _node_images_gallery($node) {
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if (empty($node->node_images)) {
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drupal_set_message(t('No images uploaded for this content.'));
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if (user_access('create node images') && node_access('update', $node)) {
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$output = t('Click <a href="!url">here</a> to upload new images.', array('!url' => url('node/'.$node->nid.'/images')));
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}
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return '<p>'.$output.'</p>';
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}
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$settings = array('images' => array());
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$i = 1;
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$thumbs = array();
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foreach ($node->node_images as $id=>$image) {
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$thumb_path = file_create_url($image->thumbpath);
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$thumbs[$i] = array(
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'src' => $thumb_path,
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'title' => $image->description,
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);
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$path = $image->filepath;
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$info = image_get_info($path);
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$settings['images'][$i++] = array(
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'src' => file_create_url($path),
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'title' => $image->description,
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'description' => $image->description,
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'width' => $info['width'],
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'height' => $info['height'],
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'thumb' => $thumb_path,
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);
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}
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$total = count($settings['images']);
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if ($total > 0) {
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$current = (int)$_GET['page'];
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$current = ($current < 1 || $current > $total) ? 1 : $current;
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$settings['current'] = $current;
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$settings['total'] = $total;
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$path = drupal_get_path('module', 'node_images');
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drupal_add_js($path.'/node_images.js');
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drupal_add_js(array('node_images_slideshow' => array($node->nid => $settings)), 'setting');
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drupal_add_css($path.'/node_images.css');
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$slideshow = array(
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'#type' => 'node_images_gallery',
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'#title' => $settings['images'][$current]['title'],
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'#attributes' => array('id' => 'slideshow-'. $node->nid),
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'#status' => array(
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'current' => $current,
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'total' => $total,
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'previous' => $current <= 1 ? $total : $current - 1,
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'next' => $current >= $total ? 1 : $current + 1,
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),
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'#image' => $settings['images'][$current],
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'#weight' => -5,
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);
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}
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$output = '<div class="node_images_slideshow">';
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$output .= '<div class="large">'.drupal_render($slideshow).'</div>';
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$output .= '<div class="thumbs">'.theme('node_images_gallery_thumbs', $thumbs).'</div>';
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$output .= '</div>';
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$output .= '<hr style="clear:both;" />'.node_view($node);
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$title = t('Photo gallery for %title', array('%title' => $node->title));
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drupal_set_title($title);
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return $output;
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}
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function theme_node_images_gallery($element) {
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$output = '<div'. drupal_attributes($element['#attributes']) .'>
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<div class="header">
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'. l(t('Previous'), $_GET['q'], array('attributes' => array('class' => 'previous'), 'query' => 'page='. $element['#status']['previous'])) .' |
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'. t('Image !current of !total', array(
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'!current' => '<span class="current">'. $element['#status']['current'] .'</span>',
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'!total' => '<span class="total">'. $element['#status']['total'] .'</span>')) .' |
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'. l(t('Next'), $_GET['q'], array('attributes' => array('class' => 'next'), 'query' => 'page='. $element['#status']['next'])) .'
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</div>
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<img src="'. url($element['#image']['src']) .'" class="polaroid" />
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<p class="description">'. $element['#title'] .'</p>
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</div>';
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return $output;
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}
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function theme_node_images_gallery_thumbs($thumbs, $cols = 2) {
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$output = '';
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foreach($thumbs as $id => $thumb) {
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$description = '<div class="thumb-description">'.truncate_utf8($thumb['title'], 40, FALSE, TRUE).'</div>';
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$output .= '<div class="thumb">'.l('<img src="'.$thumb['src'].'" class="slideshow-thumb" id="thumb-'.$id.'" />', $_GET['q'],
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array('title' => $thumb['title'], 'rel' => 'nofollow', 'html' => TRUE), 'page='.$id, NULL, FALSE, TRUE).$description.'</div>';
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}
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return $output;
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}
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