panels_export.module

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<?php
// $Id: panels_export.module,v 1.1.2.5 2008/07/29 07:39:26 sdboyer Exp $


/**
 * @file panels_export.module
 *
 * Provides functionality to export multiple items at once to make it easy to
 * dump a set of panels into code.
 */

/**
 * Implementation of hook_menu().
 */
function panels_export_menu($may_cache) {
  if ($may_cache) {
    $items = array();
    $items[] = array(
      'path' => 'admin/panels/export',
      'title' => t('Export panels'),
      'access' => user_access('use panels exporter'),
      'callback' => 'panels_export_export',
      'description' => t('Export panels in bulk.'),
    );
    $items[] = array(
      'path' => 'admin/panels/export/results',
      'access' => user_access('use panels exporter'),
      'callback' => 'panels_export_export',
      'type' => MENU_CALLBACK,
    );
    return $items;
  }
}

/**
 * Implementation of hook_perm().
 */
function panels_export_perm() {
  return array('use panels exporter');
}

/**
 * Page callback to export panels in bulk.
 *
 * @ingroup HookInvokers
 * @ingroup MainAPI
 */
function panels_export_export() {
  $exportables = array();
  foreach (module_implements('panels_exportables') as $module) {
    $function = $module . '_panels_exportables';
    $exportables[$module] = $function('list');
  }
  if ($exportables) {
    $form_id = 'panels_export_export_form';
    $form    = drupal_retrieve_form($form_id, $exportables);
    $output  = drupal_process_form($form_id, $form);
    if (!$output) {
      $output = drupal_render_form($form_id, $form);
    }
    return $output;
  }
  else {
    return t('There are no panels to be exported at this time.');
  }
}

/**
 * Form to choose a group of panels to export.
 */
function panels_export_export_form($exportables) {
  foreach ($exportables as $module => $panels) {
    $form['modules']['#tree'] = TRUE;
    $form['modules'][$module] = array(
      '#type' => 'checkboxes',
      '#options' => $panels,
      '#default_value' => array(),
    );
  }

  $form['name'] = array(
    '#type' => 'textfield',
    '#title' => t('Module name'),
    '#description' => t('Enter the module name to export code to.'),
  );

  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Export'),
  );

  $form['#action'] = url('admin/panels/export/results');
  $form['#redirect'] = FALSE;
  $form['#exportables'] = $exportables;
  return $form;
}

function theme_panels_export_export_form($form) {
  $files = module_rebuild_cache();
  $exportables = $form['#exportables'];
  $output = '';

  foreach ($exportables as $module => $panels) {
    $header = array(theme('table_select_header_cell'), $files[$module]->info['name']);
    $rows = array();
    foreach ($panels as $name => $panel) {
      $title = $form['modules'][$module][$name]['#title'];
      unset($form['modules'][$module][$name]['#title']);
      $rows[] = array(drupal_render($form['modules'][$module][$name]), $title);
    }
    $output .= '<div class="export-container">';
    $output .= theme('table', $header, $rows);
    $output .= "</div>\n";
  }
  drupal_add_css(panels_get_path('panels_export/panels_export.css'));
  $output .= drupal_render($form);
  return $output;
}

/**
 * Handle submission of the panels batch exporting form.
 *
 * @ingroup HookInvokers
 * @ingroup MainAPI
 */
function panels_export_export_form_submit($form_id, $form_values) {
  $code = '';
  if (empty($form_values['name'])) {
    $form_values['name'] = 'foo';
  }

  foreach ($form_values['modules'] as $module => $panels) {
    $panels = array_filter($panels);
    if ($panels) {
      $code .= module_invoke($module, 'panels_exportables', 'export', $panels, $form_values['name']) . "\n\n";
    }
  }

  $lines = substr_count($code, "\n");
  $element = array(
    '#type' => 'textarea',
    '#id' => 'export-textarea',
    '#name' => 'export-textarea',
    '#attributes' => array(),
    '#rows' => min($lines, 150),
    '#value' => $code,
    '#parents' => array(),
  );

  return theme('textarea', $element);
}