<?php

/**
 * Form builder; Output a search form for the search block's search box.
 *
 * @ingroup forms
 * @see search_box_form_submit()
 * @see search-block-form.tpl.php
 */
function solrsearch_search_author_box($form, &$form_state, $form_id) {
  $form[$form_id] = array(
      '#type' => 'textfield',
      '#title' => t('Search'),
      '#title_display' => 'invisible',
      '#size' => 15,
      '#default_value' => '',
      '#attributes' => array('title' => t('Enter the terms you wish to search for.')),
  );
  $form['actions'] = array('#type' => 'actions');
  $form['actions']['submit'] = array('#type' => 'submit', '#value' => t('Search'));
  $form['#submit'][] = 'solrsearch_search_author_box_form_submit';

  return $form;
}

/**
 * Process a block search form submission.
 */
function solrsearch_search_author_box_form_submit($form, &$form_state) {
  // The search form relies on control of the redirect destination for its
  // functionality, so we override any static destination set in the request,
  // for example by drupal_access_denied() or drupal_not_found()
  // (see http://drupal.org/node/292565).
  if (isset($_GET['destination'])) {
    unset($_GET['destination']);
  }

  // Check to see if the form was submitted empty.
  // If it is empty, display an error message.
  // (This method is used instead of setting #required to TRUE for this field
  // because that results in a confusing error message.  It would say a plain
  // "field is required" because the search keywords field has no title.
  // The error message would also complain about a missing #title field.)
  if ($form_state['values']['solrsearch_search_author_block_form'] == '') {
    form_set_error('keys', t('Please enter some keywords.'));
  }

  $form_id = $form['form_id']['#value'];
  $info = search_get_default_module_info();
  if ($info) {
    $form_state['redirect'] = 'solrsearch/' . $info['path'] . '/IM_author:' . trim($form_state['values'][$form_id]);
  }
  else {
    form_set_error(NULL, t('Search is currently disabled.'), 'error');
  }
}

/**
 * Process variables for search-block-form.tpl.php.
 *
 * The $variables array contains the following arguments:
 * - $form
 *
 * @see search-block-form.tpl.php
 */
function template_preprocess_solrsearch_search_author_block_form(&$variables) {
  $variables['search'] = array();
  $hidden = array();
  // Provide variables named after form keys so themers can print each element independently.
  foreach (element_children($variables['form']) as $key) {
    $type = $variables['form'][$key]['#type'];
    if ($type == 'hidden' || $type == 'token') {
      $hidden[] = drupal_render($variables['form'][$key]);
    }
    else {
      $variables['search'][$key] = drupal_render($variables['form'][$key]);
    }
  }
  // Hidden form elements have no value to themers. No need for separation.
  $variables['search']['hidden'] = implode($hidden);
  // Collect all form elements to make it easier to print the whole form.
  $variables['solrsearch_search_form'] = implode($variables['search']);
}



function solrsearch_search_author_block(){

  $block['content'] = drupal_get_form('solrsearch_search_author_block_form');
  return $block;


}