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Drupal example source code file (views_handler_filter_search.inc)
The views_handler_filter_search.inc Drupal example source code<?php // $Id: views_handler_filter_search.inc,v 1.5.4.1 2009/12/24 00:37:08 merlinofchaos Exp $ /** * Field handler to provide simple renderer that allows linking to a node. */ class views_handler_filter_search extends views_handler_filter { var $no_single = TRUE; function option_definition() { $options = parent::option_definition(); $options['operator']['default'] = 'optional'; return $options; } /** * Provide simple equality operator */ function operator_form(&$form, &$form_state) { $form['operator'] = array( '#type' => '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 <strong>OR</strong>. For example, <strong>cats OR dogs</strong>.')); } } } } /** * 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'], 'FALSE'); } } 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]); } } } Other Drupal examples (source code examples)Here is a short list of links related to this Drupal views_handler_filter_search.inc source code file: |
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