'radios',
'#title' => t('On empty input'),
'#default_value' => $this->operator,
'#options' => array(
'optional' => t('Show All'),
'required' => t('Show None'),
),
);
}
/**
* Provide a simple textfield for equality
*/
function exposed_form(&$form, &$form_state) {
if (isset($this->options['expose']['identifier'])) {
$key = $this->options['expose']['identifier'];
$form[$key] = array(
'#type' => 'textfield',
'#size' => 15,
'#default_value' => $this->value,
'#attributes' => array('title' => t('Enter the terms you wish to search for.')),
);
}
}
/**
* Validate the options form.
*/
function exposed_validate($form, &$form_state) {
if (!isset($this->options['expose']['identifier'])) {
return;
}
$key = $this->options['expose']['identifier'];
if (!empty($form_state['values'][$key])) {
$this->search_query = search_parse_query($form_state['values'][$key]);
if ($this->search_query[2] == '') {
form_set_error($key, t('You must include at least one positive keyword with @count characters or more.', array('@count' => variable_get('minimum_word_size', 3))));
}
if ($this->search_query[6]) {
if ($this->search_query[6] == 'or') {
drupal_set_message(t('Search for either of the two terms with uppercase OR. For example, cats OR dogs.'));
}
}
}
}
/**
* Add this filter to the query.
*
* Due to the nature of fapi, the value and the operator have an unintended
* level of indirection. You will find them in $this->operator
* and $this->value respectively.
*/
function query() {
if (!isset($this->search_query) || empty($this->search_query[3])) {
if ($this->operator == 'required') {
$this->query->add_where($this->options['group'], '0');
}
}
else {
$search_index = $this->ensure_my_table();
$this->search_query[2] = str_replace('i.', "$search_index.", $this->search_query[2]);
// Create a new join to relate the 'serach_total' table to our current 'search_index' table.
$join = new views_join;
$join->construct('search_total', $search_index, 'word', 'word');
$search_total = $this->query->add_relationship('search_total', $join, $search_index);
$this->search_score = $this->query->add_field('', "SUM($search_index.score * $search_total.count)", 'score', array('aggregate' => TRUE));
$this->query->add_where($this->options['group'], $this->search_query[2], $this->search_query[3]);
if (empty($this->query->relationships[$this->relationship])) {
$base_table = $this->query->base_table;
}
else {
$base_table = $this->query->relationships[$this->relationship]['base'];
}
$this->query->add_where($this->options['group'], "$search_index.type = '%s'", $base_table);
if (!$this->search_query[5]) {
$search_dataset = $this->query->add_table('search_dataset');
$this->search_query[0] = str_replace('d.', "$search_dataset.", $this->search_query[0]);
$this->query->add_where($this->options['group'], $this->search_query[0], $this->search_query[1]);
}
$this->query->add_groupby("$search_index.sid");
$this->query->add_having($this->options['group'], 'COUNT(*) >= %d', $this->search_query[4]);
}
}
}