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<?php
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// $Id: node_quick_find.module,v 1.2 2008/04/05 23:54:36 njt1982 Exp $
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/*
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* @file
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* The Node Quick Find module provides a block which contains an autocompleting textfield which matches user input
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* against the beginning of node titles. This means if a user enters 'test', NQF will match 'test node' but NOT 'node test'.
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*
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* Once a user selects the node title and submits, they are taken to the node.
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*
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* This is a handy module if the user knows exactly what they're looking for.
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*/
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/**
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* Implementation of hook_block().
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*/
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function node_quick_find_block($op = 'list', $delta = 0, $edit = array()) {
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switch ($op) {
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case 'list' :
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return array(
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array('info' => t('Node Quick Find'))
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);
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case 'configure' :
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return _node_quick_find_block_configuration($delta);
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case 'save' :
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$edit['settings']['node_types'] = array_filter($edit['settings']['node_types']);
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variable_set('node_quick_find_'. $delta, $edit['settings']);
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break;
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case 'view' :
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return array(
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'subject' => t('Quick Find'),
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'content' => drupal_get_form('node_quick_find_block_contents_form', $delta),
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);
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}
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}
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/**
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* Implementation of hook_menu().
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*/
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function node_quick_find_menu() {
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$items = array();
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$items['node_quick_find/autocomplete'] = array(
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'title' => 'Node autocomplete',
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'type' => MENU_CALLBACK,
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'access arguments' => array('access content'),
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'page callback' => 'node_quick_find_autocomplete',
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);
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return $items;
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}
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/**
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* Wrapper function to build the settings form
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*
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* @param mixed $delta
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* The $delta represents the unique ID of the block from this module
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*
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* @return array
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* Array for use with the Drupal FAPI
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*/
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function _node_quick_find_block_configuration($delta) {
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$form = array();
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$settings = variable_get('node_quick_find_'. $delta, array());
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$form['settings'] = array(
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'#type' => 'fieldset',
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'#title' => t('NQF Settings'),
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'#tree' => TRUE,
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);
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$form['settings']['node_types'] = array(
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'#type' => 'checkboxes',
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'#title' => t('Node Type Filter'),
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'#required' => TRUE,
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'#options' => node_get_types('names'),
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'#default_value' => isset($settings['node_types']) ? $settings['node_types'] : array(),
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);
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$form['settings']['field_title'] = array(
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'#type' => 'textfield',
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'#title' => t('Text Field Title'),
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'#size' => 16,
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'#default_value' => isset($settings['field_title']) ? $settings['field_title'] : 'Title',
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);
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$form['settings']['field_size'] = array(
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'#type' => 'textfield',
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'#title' => t('Text Field Size'),
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'#size' => 3,
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'#default_value' => isset($settings['field_size']) ? $settings['field_size'] : 16,
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);
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$form['settings']['field_error'] = array(
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'#type' => 'textfield',
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'#title' => t('Error Message'),
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'#size' => 25,
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'#default_value' => isset($settings['field_error']) ? $settings['field_error'] : 'Page Not Found',
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);
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return $form;
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}
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/**
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* Block Contents Form. This provides the quick-find autocompelte area
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*/
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function node_quick_find_block_contents_form(&$form_state, $delta) {
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$form = array();
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$settings = variable_get('node_quick_find_'. $delta, array());
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$form['title'] = array(
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'#title' => t(isset($settings['field_title']) ? check_plain($settings['field_title']) : 'Title'),
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'#type' => 'textfield',
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'#autocomplete_path' => 'node_quick_find/autocomplete/'. $delta,
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'#size' => isset($settings['field_size']) ? $settings['field_size'] : 16,
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);
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$form['delta'] = array('#type' => 'value', '#value' => $delta);
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$form['submit'] = array(
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'#type' => 'submit',
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'#value' => t('Submit'),
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);
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return $form;
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}
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/**
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* Submit handler for node_quick_find_block form above
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*/
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function node_quick_find_block_contents_form_submit($form, &$form_state) {
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$settings = variable_get('node_quick_find_'. $delta, array());
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if (empty($settings['node_types'])) {
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$nid = db_result(db_query('SELECT nid FROM {node} WHERE title = "%s"', $form_state['values']['title']));
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}
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else {
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$nid = db_result(db_query('SELECT nid FROM {node} WHERE type IN('. db_placeholders($settings['node_types'], 'varchar') .') AND title = "%s"', array_marge($settings['node_types'], array($form_state['values']['title']))));
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}
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if ($nid) {
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$form_state['redirect'] = 'node/'. $nid;
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return;
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}
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else {
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$settings['field_error'] = empty($settings['field_error']) ? 'Page Not Found' : $settings['field_error'];
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drupal_set_message(t($settings['field_error'] .': %title', array('%title' => $form_state['values']['title'])), 'error');
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drupal_not_found();
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exit();
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}
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}
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/**
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* Autocomplete callback
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*
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* @param mixed $delta
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* Provides the unqiue ID for the block provided by this module
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* @param string $string
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* The string to lookup
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*/
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function node_quick_find_autocomplete($delta = 0, $string = '') {
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$settings = variable_get('node_quick_find_'. $delta, array());
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$matches = array();
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if ($string) {
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$string = drupal_strtolower($string);
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if (empty($settings['node_types'])) {
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$result = db_query_range('SELECT title FROM {node} WHERE title LIKE "%s%%"', $string, 0, 10);
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}
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else {
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$result = db_query_range('SELECT title FROM {node} WHERE type IN('. db_placeholders($settings['node_types'], 'varchar') .') AND title LIKE "%s%%"', array_merge($settings['node_types'], array($string)), 0, 10);
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}
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while ($node = db_fetch_object($result)) {
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$matches[$node->title] = check_plain($node->title);
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}
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}
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print drupal_to_js($matches);
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exit();
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}
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