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<?php
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// $Id $
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/**
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* @file
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* Allow users to preselect a drop down given a large database and a free text "key"
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*
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* @author Mark Burton (aka markfoodyburton)
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*/
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/**
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* Implementation of hook_widget_info.
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* Specifies the label and that it is a widget for the text field type
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*/
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function fixedDataDropdown_widget_info()
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{
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return array(
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'fixedDataDropdown_select' => array(
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'label' => 'Fixed Data (dependent dropdown)',
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'field types' => array('text'),
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),
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);
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}
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/**
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* set up the taxonomy to be used
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*/
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function fixedDataDropdown_widget_settings($op, $field) {
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switch ($op) {
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case 'form':
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$form = array();
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$form['upload'] = array(
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'#title' => t('Data File (csv of value pairs (i.e. "zip code", "town name")'),
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'#type' => 'file',
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'#default_value' => '',
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'#attributes' => array('enctype' => "multipart/form-data"),
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'#required' => FALSE,
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);
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$form['replace']=array(
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'#title' => t('Remove old contents'),
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'#type' => 'select',
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'#options' => array('no'=>'no','yes'=>'yes'),
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'#required' => TRUE,
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);
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$form['lineregexp']=array(
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'#title' => t('Regular expression'),
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'#type' => 'textfield',
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'#default_value' => '/\"?(?P<key>[^,\"]+)\"?,\"?(?P<value>[^,\"]+)\"?/',
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'#attributes' => array('enctype' => "multipart/form-data"),
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'#required' => FALSE,
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'#description' => t('Regular expression with which to split up file lines (must include "key" and "value" sub expressions). <p>Dont forget to check "multiple values"(below) if you want the key and the value remembered on this field'),
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);
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return $form;
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break;
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case 'validate':
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$file = file_check_upload();
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$re=$field['lineregexp'];
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if ($fd = fopen($file->filepath, 'rb')) {
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$dbt="fdd_".$field['field_name']."_data";
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if ($field['replace']=='yes') {
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drupal_set_message("Clearing old data from database");
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db_query("DROP TABLE {". $dbt."}");
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}
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if (!db_table_exists($dbt)) {
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db_query("CREATE TABLE {". $dbt."} (
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fdd_key text,
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fdd_value text, PRIMARY KEY(fdd_value(255)))");
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}
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$mess="DB values set (frst 10, then .'s)\n<br>\n";
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$no=0;
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while (!feof($fd)) {
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preg_match($re, fgets($fd), $matches);
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if ($no++<10) {
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$mess.= $matches['key']." => ".$matches['value']."<br>\n";
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} else {
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$mess.=".";
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}
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db_query("UPDATE {%s} SET fdd_value=\"%s\" WHERE fdd_key = \"%s\"",$dbt,$matches['value'],$matches['key']);
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if (!db_affected_rows()) {
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@db_query("INSERT INTO {%s} (fdd_key, fdd_value) VALUES (\"%s\",\"%s\")",$dbt,$matches['key'],$matches['value']);
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}
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// db_query("INSERT INTO {%s} (fdd_key, fdd_value) VALUES (\"%s\",\"%s\") ON DUPLICATE KEY UPDATE fdd_key=VALUES(fdd_key)",$dbt,$matches['key'],$matches['value']);
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}
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fclose($fd);
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drupal_set_message ($mess);
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}
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// return array('fdd_data');
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}
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}
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/**
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* the behavior of fixedDataDropdown
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*/
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function fixedDataDropdown_widget($op, &$node, $field, &$items) {
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/* include_once(drupal_get_path('module', 'content').'/nodereference.module');*/
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/* include_once(drupal_get_path('module', 'content_taxonomy').'/content_taxonomy.module');*/
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switch ($op) {
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case 'prepare form values':
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$items['default value'] = array($items['value']);
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break;
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case 'form':
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drupal_add_js(drupal_get_path('module', 'FixedDataDropdown') . '/FixedDataDropdown.js');
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drupal_add_js(drupal_get_path('module', 'FixedDataDropdown') . '/jquery-select.js');
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$form = array();
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$fieldname=$field['field_name'];
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$form[$fieldname] = array(
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'#tree' => TRUE,
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'#type' => 'fieldset',
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'#title' => t($field['widget']['label']),
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'#collapsible' => TRUE,
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);
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$form[$fieldname]['fdd_key'] = array(
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'#type' => 'textfield',
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'#title' => t($field['widget']['label'])." Selector ",
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'#default_value' => $items[1]['value'],
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'#required' => FALSE,
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'#description' => $field['widget']['description'],
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'#id' => "$fieldname",
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'#autocomplete_path' => 'fixedDataDropdown/autocompleteKeys/'.$fieldname,
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'#attributes' => array(
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'class' => "fixedDataDropdown_selector",
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),
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);
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/* pre-load options with values for default fdd key ? */
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$options = array();
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if ($items[0]['value']) {
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$options[]=array($items[0]['value']=>$items[0]['value']);
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} else {
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$options = array(0 => t('<fill in selector first>'));
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}
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$form[$fieldname]['value'] = array(
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'#type' => 'select',
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'#title' => t($field['widget']['label']),
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'#options' => $options,
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'#required' => $field['required'],
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'#description' => $field['widget']['description'],
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'#id' => "$fieldname",
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'#attributes' => array(
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'class' => "fixedDataDropdown_value",
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),
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'#DANGEROUS_SKIP_CHECK'=>TRUE,
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);
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return $form;
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case 'process form values':
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$items[0]['value'] = $items['value'];
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if ($field['multiple']) {
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$items[1]['value'] = $items['fdd_key'];
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}
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// Remove the widget's data representation so it isn't saved.
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unset($items['fdd_key']);
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unset($items['value']);
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break;
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}
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}
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/**
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* Implementation of hook_menu().
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*/
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function fixedDataDropdown_menu($may_cache) {
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$items = array();
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if ($may_cache) {
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$items[] = array(
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'path' => 'fixedDataDropdown/autocomplete',
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'title' => 'autocomplete for taxonomy',
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'type' => MENU_CALLBACK,
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'callback' => 'fixedDataDropdown_autocomplete',
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'access' => user_access('access content'),
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);
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$items[] = array(
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'path' => 'fixedDataDropdown/autocompleteKeys',
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'title' => 'autocomplete for taxonomy',
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'type' => MENU_CALLBACK,
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'callback' => 'fixedDataDropdown_autocomplete_keys',
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'access' => user_access('access content'),
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);
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}
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return $items;
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}
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/**
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* return back nodes that are tagged with $string.
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*/
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function fixedDataDropdown_autocomplete($field_name, $string = '') {
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$fields = content_fields();
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$field = $fields[$field_name];
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$matches = array();
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if ($string != '') {
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$dbt="fdd_".$field_name."_data";
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$result = db_query("SELECT fdd_value FROM {".$dbt."} WHERE fdd_key =\"%s\";",$string);
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$row = 0;
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while ($val = db_result($result, $row++)) {
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$matches[$val]=$val;
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}
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if ($row==1) {
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$result = db_query("SELECT fdd_value FROM {".$dbt."} WHERE instr(fdd_key, \"%s\") LIMIT 10;",$string);
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$row = 0;
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while ($val = db_result($result, $row++)) {
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$matches[$val]=$val;
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}
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}
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}
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print drupal_to_js($matches);
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exit();
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}
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function fixedDataDropdown_autocomplete_keys($field_name, $string = '') {
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$fields = content_fields();
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$field = $fields[$field_name];
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$matches = array();
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if ($string != '') {
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$dbt="fdd_".$field_name."_data";
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$result = db_query("SELECT fdd_key FROM {".$dbt."} WHERE instr(fdd_key,\"%s\") LIMIT 10;",$string);
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$row = 0;
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while ($val = db_result($result, $row++)) {
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$matches[$val]=$val;
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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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?>
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