<?php

/**
 * @file
 * Views field handler providing a publish, unpublish link.
 */

/**
 * Field handler to present a link node publish.
 */
class publishcontent_views_handler_field_node_link extends views_handler_field_node_link {

  /**
   * Define the field handler constructor.
   */
  function construct() {
    parent::construct();
    $this->additional_fields['nid'] = 'nid';
    $this->additional_fields['type'] = 'type';
    $this->additional_fields['status'] = 'status';
    $this->additional_fields['uid'] = 'uid';
  }

  /**
   * Define the view option definition.
   */
  function option_definition() {
    $options = parent::option_definition();
    $options['publish'] = $options['unpublish'] = array('default' => '', 'translatable' => TRUE);
    return $options;
  }

  /**
   * Define the view option form.
   */
  function options_form(&$form, &$form_state) {
    parent::options_form($form, $form_state);
    unset($form['text']);
    $form['publish'] = array(
      '#type' => 'textfield',
      '#title' => t('Text to display for publishing'),
      '#default_value' => $this->options['publish'],
    );
    $form['unpublish'] = array(
      '#type' => 'textfield',
      '#title' => t('Text to display for unpublishing'),
      '#default_value' => $this->options['unpublish'],
    );
  }

  /**
   * Define the fields query.
   */
  function query() {
    $this->ensure_my_table();
    $this->add_additional_fields();
  }

  /**
   * Render the field.
   */
  function render_link($node, $values) {
    // Ensure user has access to edit this node.
    if (!empty($node->status) && publishcontent_unpublish_access($node)) {
      $op = 'unpublish';
    }

    if (empty($node->status) && publishcontent_publish_access($node)) {
      $op = 'publish';
    }

    if (isset($op)) {
      $this->options['alter']['make_link'] = TRUE;
      $this->options['alter']['path'] = "node/$node->nid/$op/" . drupal_get_token();
      $this->options['alter']['query'] = drupal_get_destination();
      $this->options['alter']['link_class'] = 'publishcontent-link publishcontent-' . $op;

      return empty($this->options[$op]) ? t($op) : $this->options[$op];
    }
  }
}