profiles/my_profile/node_export_assets may be
useful.'
),
'#required' => FALSE,
'#states' => array(
'visible' => array(
':input[name=node_export_file_mode]' => array('value' => 'local'),
),
),
);
$form['file']['node_export_file_supported_fields'] = array(
'#type' => 'textfield',
'#title' => t('Supported file field types'),
'#default_value' => variable_get('node_export_file_supported_fields', 'file, image'),
'#maxlength' => 512,
'#description' => t('Comma seperated list of file field types to detect for export/import.'),
);
return system_settings_form($form);
}
/**
* Export GUI function.
*
* @param $nodes
* A node, an array of nodes, or an array of nids.
* @param $format
* The node export format.
* @param $delivery
* The code delivery format, if NULL will use settings.
* @return
* The node export form or nothing if calling function to serve file.
*/
function node_export_gui($nodes = NULL, $format = NULL, $delivery = NULL) {
// Get the $code_string.
if ($nodes) {
// $nodes passed in, get the code_string.
$result = node_export($nodes, $format);
if ($result['success']) {
$code_string = $result['output'];
}
else {
foreach ($result['output'] as $output) {
drupal_set_message($output, 'error');
}
return;
}
$nids = node_export_nodes_to_nids($nodes);
$format = $result['format'];
}
elseif (!empty($_SESSION['node_export'])) {
// Nids and code string supplied from session.
$session_data = array_shift($_SESSION['node_export']);
$code_string = $session_data['code_string'];
$nids = $session_data['nids'];
$format = $session_data['format'];
}
$delivery = $delivery ? $delivery : variable_get('node_export_code', 'all');
if ($delivery != 'file') {
if (is_object($nodes)) {
// Single node, output straight away.
drupal_set_title(t('Node export of !title', array('!title' => $nodes->title)));
return drupal_get_form('node_export_form', $nids, $code_string, $format);
}
elseif ($nodes) {
// Node operation, add to session and redirect.
$_SESSION['node_export'][] = array(
'code_string' => $code_string,
'nids' => $nids,
'format' => $format,
);
drupal_goto('admin/content/node_export');
}
elseif (!$nodes) {
// No $nodes passed, but $code_string came from session.
return drupal_get_form('node_export_form', $nids, $code_string, $format);
}
}
else {
// Get file.
node_export_get_file($nids, $code_string, $format);
}
}
/**
* Convert a node, nodes, or nids into an array of nids.
*/
function node_export_nodes_to_nids($nodes) {
if (is_object($nodes)) {
$nids = array($nodes->nid);
}
else {
$nids = array();
foreach ($nodes as $node) {
if (is_object($node)) {
$nids[] = $node->nid;
}
elseif (is_numeric($node)) {
$nids[] = $node;
}
}
}
return $nids;
}
/**
* Export form.
*
* @param $form
* The form array.
* @param $form_state
* The form state.
* @param $nids
* An array of node ids that are being exported.
* @param $code_string
* The Node export code.
* @param $format
* The Node export format.
*
* @return
* The built form array.
*/
function node_export_form($form, &$form_state, $nids, $code_string, $format) {
$form = array();
if (variable_get('node_export_code', 'all') == 'all') {
$form['nids'] = array(
'#type' => 'hidden',
'#value' => $nids,
);
$form['format'] = array(
'#type' => 'hidden',
'#value' => $format,
);
$form['download_file'] = array(
'#type' => 'submit',
'#value' => t('Download file'),
);
}
$form['export'] = array(
'#type' => 'textarea',
'#title' => t('Node export code'),
'#default_value' => $code_string,
'#rows' => 30,
'#description' => t('Copy this code and then on the site you want to import to, go to the Node export: import link under Add content, and paste it in there.'),
'#attributes' => array(
'wrap' => 'off',
),
'#wysiwyg' => FALSE,
);
return $form;
}
/**
* Export form submit function.
*
* File download was requested.
*/
function node_export_form_submit($form, &$form_state) {
// Get file.
$nids = $form_state['values']['nids'];
$code_string = $form_state['values']['export'];
$format = $form_state['values']['format'];
node_export_get_file($nids, $code_string, $format);
}
/**
* Generate text file.
*
* @param $nids
* An array of node ids.
* @param $code_string
* The text output.
* @param $format
* The format used.
*/
function node_export_get_file($nids, $code_string, $format = NULL) {
$filename_data = array();
$filename_data['node-count'] = count($nids);
$filename_data['timestamp'] = REQUEST_TIME;
$filename_data['format'] = $format ? $format : 'export';
// Add a list of nids
if (count($nids) <= variable_get('node_export_file_list', 10)) {
$filename_data['nid-list'] = '[' . implode(',', $nids) . ']';
}
$name = variable_get('node_export_filename', 'node-export[node_export_filename:nid-list]([node_export_filename:node-count]-nodes).[node_export_filename:timestamp].[node_export_filename:format]');
$data = array('node_export_filename' => (object)$filename_data);
$name = token_replace($name, $data);
$formats = node_export_format_handlers();
$format_data = $formats[$format];
$mime = !empty($format_data['#mime']) ? $format_data['#mime'] : 'text/plain';
header('Content-type: ' . $mime);
header('Content-Disposition: attachment; filename="' . $name . '"');
print($code_string);
// Clean exit.
module_invoke_all('exit');
exit;
}
/**
* Import Form.
*
* @param $form
* The form array.
* @param $form_state
* The form state.
*
* @return
* The built form array.
*/
function node_export_import_form($form, &$form_state) {
// Initialise to prevent notices
$values = array(
'file' => FALSE,
'code' => FALSE,
);
$form = array();
$form['#attributes'] = array(
'enctype' => "multipart/form-data",
);
$form['#prefix'] = ""; $form['#prefix'] .= t('You may import content by pasting or uploading the code exported from Node export.') . " "; $form['#prefix'] .= t("Some values may be reset during imports depending on Node export's configuration."); $form['#prefix'] .= "
"; $form['upload'] = array( '#type' => 'fieldset', '#title' => t('Upload file'), '#collapsible' => TRUE, '#collapsed' => !$values['file'], ); $form['upload']['file'] = array( '#type' => 'file', '#description' => t('To clear this field, reset the form.', array('!reset' => url($_GET['q']))) ); $form['paste'] = array( '#type' => 'fieldset', '#title' => t('Paste code'), '#collapsible' => TRUE, '#collapsed' => !$values['code'], ); $form['paste']['code'] = array( '#type' => 'textarea', '#default_value' => '', '#rows' => 30, '#description' => t('Paste the code of a node export here.'), '#wysiwyg' => FALSE, ); $form['actions'] = array('#type' => 'actions'); $form['actions']['submit'] = array( '#type' => 'submit', '#value' => t('Import'), ); $form['actions']['reset'] = array( '#markup' => l(t('Reset the form'), $_GET['q']), ); return $form; } /** * Validate function for import form. */ function node_export_import_form_validate($form, &$form_state) { if ( $form_state['clicked_button']['#id'] == 'edit-submit' && !$_FILES['files']['name']['file'] && !$form_state['values']['code'] ) { drupal_set_message(t('Please upload a file or paste code to import.'), 'error'); form_set_error('', NULL); } } /** * Submit function for import form. * * @todo: is there a way to get the contents of the file without using * file_save_upload()? */ function node_export_import_form_submit($form, &$form_state) { if ($_FILES['files']['name']['file']) { $original = $_FILES['files']['name']['file']; $save = file_save_upload('file', array('file_validate_extensions' => array())); if (!$save) { drupal_set_message(t('Error: Node export could not save file.'), 'error'); } else { $save->original = $original; form_set_value($form['upload']['file'], serialize($save), $form_state); } } if ($form_state['values']['file']) { $file = unserialize($form_state['values']['file']); if (file_exists($file->uri)) { $code_string = file_get_contents($file->uri); unlink($file->uri); } file_delete($file); } elseif ($form_state['values']['code']) { $code_string = trim($form_state['values']['code']); } if (isset($code_string)) { $result = node_export_import($code_string); // Output the status or error messages. foreach ($result['output'] as $output) { drupal_set_message($output, ($result['success'] ? 'status' : 'error')); } // We need to send this user somewhere, and we know they have permission // for this page: drupal_goto('node/add/node_export'); } }