[Summary view] [Print] [Text view]

   1  <?php
   2  // $Id: views_handler_argument_date.inc,v 1.3.4.2 2010/03/11 00:49:52 merlinofchaos Exp $
   3  /**
   4   * Abstract argument handler for dates.
   5   *
   6   * Adds an option to set a default argument based on the current date.
   7   *
   8   * @param $arg_format
   9   *   The format string to use on the current time when
  10   *   creating a default date argument.
  11   *
  12   * Definitions terms:
  13   * - many to one: If true, the "many to one" helper will be used.
  14   * - invalid input: A string to give to the user for obviously invalid input.
  15   *                  This is deprecated in favor of argument validators.
  16   * @see views_many_to_one_helper
  17   *
  18   * @ingroup views_argument_handlers
  19   */
  20  class views_handler_argument_date extends views_handler_argument_formula {
  21    var $option_name = 'default_argument_date';
  22    var $arg_format = 'Y-m-d';
  23  
  24    /**
  25     * Add an option to set the default value to the current date.
  26     */
  27    function default_argument_form(&$form, &$form_state) {
  28      parent::default_argument_form($form, $form_state);
  29      $form['default_argument_type']['#options'] += array('date' => t('Current date'));
  30      $form['default_argument_type']['#options'] += array('node_created' => t("Current node's creation time"));
  31      $form['default_argument_type']['#options'] += array('node_changed' => t("Current node's update time"));  }
  32  
  33    /**
  34     * Set the empty argument value to the current date,
  35     * formatted appropriately for this argument.
  36     */
  37    function get_default_argument($raw = FALSE) {
  38      if (!$raw && $this->options['default_argument_type'] == 'date') {
  39        return date($this->arg_format, time());
  40      }
  41      else if (!$raw && in_array($this->options['default_argument_type'], array('node_created', 'node_changed'))) {
  42        foreach (range(1, 3) as $i) {
  43          $node = menu_get_object('node', $i);
  44          if (!empty($node)) {
  45            continue;
  46          }
  47        }
  48    
  49        if (arg(0) == 'node' && is_numeric(arg(1))) {
  50          $node = node_load(arg(1));
  51        }
  52  
  53        if (empty($node)) {
  54          return parent::get_default_argument();
  55        }
  56        else if ($this->options['default_argument_type'] == 'node_created') {
  57          return date($this->arg_format, $node->created);
  58        }
  59        else if ($this->options['default_argument_type'] == 'node_changed') {
  60          return date($this->arg_format, $node->changed);
  61        }
  62      }
  63  
  64      return parent::get_default_argument($raw);
  65  
  66    }
  67  }