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<?php
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/* $Id: geonames_cck.module,v 1.8 2008/08/04 16:34:26 thegreenman Exp $ */
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/**
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* @file
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* The geonames_cck module implements basic geolocation tools using geonames web services.
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*
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* This module was designed to work with the geomap module. Locations will be output using
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* Geo microformats, and the geomap module will display any geo data on a google map.
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*
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* TODO: Make multiple values work. Some work has been done, but, the form does not currently handle multiples
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* TODO: Make places work. A stab has been made at "things nearby" but it's not really production level.
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* TODO: Views integration. Since it's cck, there are come views tools, but not enough to really use.
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*
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*/
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/**
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* implementation of hook_perm
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*
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* @return array
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*/
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function geonames_cck_perm() {
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return array('choose custom icon for node');
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}
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/**
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* implementation of hook_menu()
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* @param boolean $may_cache
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* @return array
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*/
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function geonames_cck_menu($may_cache) {
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if ($may_cache) {
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$items[] = array(
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'path' => 'admin/settings/geonamescck/main',
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'title' => t('Geonames CCK'),
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'description' => t('Settings for Geonames cck module'),
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'type' => MENU_DEFAULT_LOCAL_TASK, // optional
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);
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}
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else {
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/**
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* Places are not ready yet.
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*
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$items[] = array(
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'path' => 'place',
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'title' => t('places'),
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'description' => t('Display a place'),
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'callback' => 'geonames_cck_place_page',
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'access' => user_access('access place pages'),
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'type' => MENU_CALLBACK,
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);
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*/
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if (arg(0) == 'node' && is_numeric(arg(1))) {
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$items[] = array(
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'path' => 'node/'. arg(1) .'/disambiguate',
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'title' => t('Where are you based?'),
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'access' => node_access('update', node_load(arg(1))),
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'callback' => 'geonames_cck_disambiguate',
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'callback arguments' => array(arg(1)),
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'type' => MENU_CALLBACK, // This may work as a local task.
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);
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}
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}
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return $items;
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}
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/**
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* implementation of hook_block()
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*
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*/
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function geonames_cck_block($op = 'list', $delta = 0, $edit = array()) {
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switch ($op) {
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case 'list':
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$blocks = array(
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'locations' => array('info' => t('geonames node locations list')),
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'geonames_description' => array('info' => t('geonames - description of geonames')),
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);
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return $blocks;
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break;
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case 'view':
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if (arg(0) == 'node' && is_numeric(arg(1)) && !arg(2)) {
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$node = node_load(arg(1));
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switch ($delta) {
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case 'locations':
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$block['content'] = theme('geonames_cck_location', $node, true);
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break;
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}
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}
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if (arg(0) == 'node' && is_numeric(arg(1)) && arg(2) == 'disambiguate') {
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switch ($delta) {
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case 'geonames_description':
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$block['content'] = theme('geonames_description');
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break;
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}
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}
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return $block;
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break;
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}
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}
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/**
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* Implementation of hook_field_info().
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*/
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function geonames_cck_field_info() {
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return array(
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'geonames_cck' => array('label' => 'Geonames location'),
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);
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}
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/**
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* Implementation of hook_field_settings().
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*/
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function geonames_cck_field_settings($op, $field) {
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switch ($op) {
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case 'form':
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$form = array();
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return $form;
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case 'validate':
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break;
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case 'save':
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return array('name', 'geonameId', 'country', 'lat', 'lng', 'adminName1', 'adminCode1', 'adminName2', 'adminCode2', 'fcode', 'icon', 'shadow');
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case 'database columns':
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$columns = array(
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'name' => array('type' => 'varchar', 'length' => 250, 'not null' => TRUE),
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'geonameId' => array('type' => 'varchar', 'length' => 20, 'not null' => TRUE),
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'country' => array('type' => 'varchar', 'length' => 2, 'not null' => TRUE),
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'lat' => array('type' => 'float', 'length' => 10, 'not null' => FALSE),
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'lng' => array('type' => 'float', 'length' => 10, 'not null' => FALSE),
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'adminName1' => array('type' => 'varchar', 'length' => 100, 'not null' => TRUE),
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'adminCode1' => array('type' => 'varchar', 'length' => 10, 'not null' => TRUE),
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'adminName2' => array('type' => 'varchar', 'length' => 100, 'not null' => TRUE),
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'adminCode2' => array('type' => 'varchar', 'length' => 10, 'not null' => TRUE),
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'fcode' => array('type' => 'varchar', 'length' => 10, 'not null' => FALSE),
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'icon' => array('type' => 'varchar', 'length' => 250, 'not null' => FALSE),
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'shadow' => array('type' => 'varchar', 'length' => 250, 'not null' => FALSE),
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);
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return $columns;
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case 'filters':
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// Filters are managed through the views include file
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}
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}
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/**
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* Implementation of hook_field().
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*/
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function geonames_cck_field($op, &$node, $field, &$items, $teaser, $page) {
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switch ($op) {
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case 'load':
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break;
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case 'view':
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break;
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case 'insert':
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break;
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case 'update':
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break;
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case 'delete':
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break;
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}
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return $output;
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}
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/**
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* Implementation of hook_widget_info().
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*/
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function geonames_cck_widget_info() {
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return array(
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'geoname_cck' => array(
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'label' => t('Global Location'),
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'field types' => array('geonames_cck'),
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),
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);
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}
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/**
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* Implementation of hook_widget_settings().
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*/
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function geonames_cck_widget_settings($op, $widget) {
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switch ($op) {
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case 'form':
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$form = array();
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$form['icon'] = array(
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'#type' => 'textfield',
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'#title' => t('Custom icon'),
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'#default_value' => $widget['icon'] ? $widget['icon'] : '',
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'#required' => FALSE,
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'#description' => t('To set a default icon for this field, add a full URL of the icon. '. l('List of icons', 'http://www.visual-case.it/cgi-bin/vc/GMapsIcons.pl', array('rel' => 'nofollow', 'target' => 'blank'))),
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);
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$form['shadow'] = array(
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'#type' => 'textfield',
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'#title' => t('Shadow for custom icon'),
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'#default_value' => $widget['shadow'] ? $widget['shadow'] : '',
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'#required' => FALSE,
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'#description' => t('To set a default icon's shadow for this field, add a full URL of the shadow'),
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);
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return $form;
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case 'validate':
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$field_names = array('icon', 'shadow');
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foreach ($field_names as $fname) {
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if ($widget[$fname]) {
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if (!valid_url($widget[$fname], true)) {
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form_set_error($fname, 'invalid URL');
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}
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}
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}
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break;
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case 'save':
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return array('icon', 'shadow');
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}
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}
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/**
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* Implementation of hook_widget().
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*/
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function geonames_cck_widget($op, &$node, $field, &$items) {
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$fieldname = $field['field_name'];
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switch ($op) {
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case 'prepare form values':
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break;
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case 'form':
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$form = _geonames_cck_widget_form($node, $field, $items);
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return $form;
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case 'validate':
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foreach ($items as $delta => $item) {
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if (!$item['geonameId'] || ($item['name'] != $item['old_name'] OR $item['country'] != $item['old_country'])) {
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// location has changed
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$search_results = geoapi_convert_location_to_geo($item['name'], $item['country']);
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if ( !$search_results -> results ) {
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// We are not using for_set_error here because we use the disambiguation pages to fix things
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$values = array('@name' => $item['name']);
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$message = t('Your location "@name" was not found in our locations database.');
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if ($node->nid) {
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$values['!link'] = l( t('Find another location?'), 'node/'. $node->nid .'/disambiguate');
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$message .= ' !link';
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}
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drupal_set_message(t( $message , $values ));
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}
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}
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}
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//icon url
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break;
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case 'process form values':
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foreach ($items as $delta => $item) {
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if ($item['name'] != $item['old_name'] OR $item['country'] != $item['old_country']) {
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// location has changed
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// This code currently duplicates the validation code. Not perfect, but results are cached.
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// TODO: Clean up the validation process
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$search_results = geoapi_convert_location_to_geo($item['name'], $item['country']);
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$locations = $search_results -> results;
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if ($search_results -> total_results_count) {
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$items[$delta] = _geoapi_convert_geonames_result_to_cck_value($locations[0]);
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}
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else {
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// clear any old values
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unset($items[$delta]['lat']);
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unset($items[$delta]['lng']);
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}
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}
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}
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break;
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}
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}
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/**
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* Generate the form for the widget
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*
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*/
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function _geonames_cck_widget_form($node, $field, $items) {
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if ($field['required']) {
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// make field not required on admin pages
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$required = (!(arg(0) == 'admin' && arg(1) == 'content')) ? true : false;
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}
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$fieldlabel = $field['widget']['label'];
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$fieldname = $field['field_name'];
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$fieldname_css = 'edit-'. strtr($field['field_name'], '_', '-');
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$form = array();
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$form[$fieldname]['#tree'] = true;
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$count = 0;
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$form[$fieldname][$count]=array(
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'name' => array(
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'#type' => 'textfield',
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'#description' => t($field['widget']['description']),
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//'#title' => t('Location'),
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'#title' => $fieldlabel,
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'#size' => 30,
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'#maxlength' => 250,
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'#default_value' => $items[$count]['name'] ? $items[$count]['name'] : geoapi_get_default_city(),
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'#attributes' => array('class' => 'float'),
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),
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'country' => array(
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'#type' => 'select',
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'#title' => $fieldlabel .' '. t('country'),
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'#default_value' => $items[$count]['country'] ? strtoupper($items[$count]['country']) : geoapi_get_default_country(),
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'#attributes' => array('class' => 'float'),
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'#options' => geoapi_countries(),
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'#multiple' => false,
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'#required' => $required,
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),
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'lat' => array(
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'#type' => 'hidden',
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'#default_value' => $items[$count]['lat'],
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),
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'lng' => array(
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| 319 |
'#type' => 'hidden',
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| 320 |
'#default_value' => $items[$count]['lng'],
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),
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'old_name' => array(
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| 323 |
'#type' => 'value',
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| 324 |
'#value' => $items[$count]['name']
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),
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| 326 |
'old_country' => array(
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'#type' => 'value',
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| 328 |
'#value' => $items[$count]['country']
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),
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| 330 |
'icon' => array(
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| 331 |
'#type' => 'textfield',
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'#description' => t('If you want to set a custom icon for this location, enter the full URL of the icon here.'. l('List of icons', 'http://www.visual-case.it/cgi-bin/vc/GMapsIcons.pl', array('rel' => 'nofollow', 'target' => 'blank'))),
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| 333 |
'#title' => $fieldlabel .' '. t('Icon'),
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| 334 |
'#size' => 30,
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| 335 |
'#maxlength' => 250,
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| 336 |
'#default_value' => $items[$count]['icon'] ? check_url($items[$count]['icon']) : '',
|
| 337 |
//'#attributes' => array('class' => 'float'),
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),
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| 339 |
'shadow' => array(
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| 340 |
'#type' => 'textfield',
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| 341 |
'#description' => t('If you want to set a custom icon shadow for this location, enter the of the icon here.'),
|
| 342 |
'#title' => $fieldlabel .' '. t('Shadow'),
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| 343 |
'#size' => 30,
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| 344 |
'#maxlength' => 250,
|
| 345 |
'#default_value' => $items[$count]['shadow'] ? check_url($items[$count]['shadow']) : '',
|
| 346 |
//'#attributes' => array('class' => 'float'),
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| 347 |
),
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| 348 |
'geonameId' => array(
|
| 349 |
'#type' => 'value',
|
| 350 |
'#value' => $items[$count]['geonameId']
|
| 351 |
),
|
| 352 |
);
|
| 353 |
return $form;
|
| 354 |
}
|
| 355 |
|
| 356 |
|
| 357 |
/**
|
| 358 |
* Implementation of hook_field_formatter_info().
|
| 359 |
*/
|
| 360 |
function geonames_cck_field_formatter_info() {
|
| 361 |
$formatters = array(
|
| 362 |
'default' => array(
|
| 363 |
'label' => t('Default'),
|
| 364 |
'field types' => array('geonames_cck'),
|
| 365 |
),
|
| 366 |
'no_geotag' => array(
|
| 367 |
'label' => t('No geotag'),
|
| 368 |
'field types' => array('geonames_cck'),
|
| 369 |
),
|
| 370 |
'geo_hidden' => array(
|
| 371 |
'label' => t('Hidden geo code'),
|
| 372 |
'field types' => array('geonames_cck'),
|
| 373 |
),
|
| 374 |
'disambiguation' => array(
|
| 375 |
'label' => t('With disambiguation link'),
|
| 376 |
'field types' => array('geonames_cck'),
|
| 377 |
),
|
| 378 |
|
| 379 |
|
| 380 |
);
|
| 381 |
return $formatters;
|
| 382 |
}
|
| 383 |
|
| 384 |
/**
|
| 385 |
* Implementation of hook_field_formatter().
|
| 386 |
*/
|
| 387 |
function geonames_cck_field_formatter($field, $item, $formatter, $node) {
|
| 388 |
if (!isset($item['name'])) {
|
| 389 |
return '';
|
| 390 |
}
|
| 391 |
$field_name = array('icon', 'shadow');
|
| 392 |
$n = count($field_name);
|
| 393 |
|
| 394 |
//get node-specific icon if available
|
| 395 |
for ($i=0; $i<$n; $i++) {
|
| 396 |
|
| 397 |
if ($item[$field_name[$i]]) {
|
| 398 |
|
| 399 |
${$field_name[$i]} = check_url($item[$field_name[$i]]);
|
| 400 |
}
|
| 401 |
//get widget's default icon if available
|
| 402 |
else if ($field[$field_name[$i]]) {
|
| 403 |
|
| 404 |
${$field_name[$i]} = check_url($field[$field_name[$i]]);
|
| 405 |
}
|
| 406 |
else{
|
| 407 |
|
| 408 |
${$field_name[$i]}='';
|
| 409 |
}
|
| 410 |
}
|
| 411 |
|
| 412 |
switch ($formatter) {
|
| 413 |
case 'geo_hidden':
|
| 414 |
$output = theme('geonames_hidden', $item['lat'], $item['lng'], theme('geonames_cck_location_name', $item), $item, $node, $icon, $shadow);
|
| 415 |
break;
|
| 416 |
case 'disambiguation':
|
| 417 |
$output = theme('geonames_location_disambiguation', $item['lat'], $item['lng'], theme('geonames_cck_location_name', $item), $field, $item, $node, $icon, $shadow);
|
| 418 |
break;
|
| 419 |
case 'no_geotag':
|
| 420 |
$output = theme('geonames_location_no_geotag', $item['lat'], $item['lng'], theme('geonames_cck_location_name', $item), $item, $node);
|
| 421 |
break;
|
| 422 |
default:
|
| 423 |
$output = theme('geonames_location', $item['lat'], $item['lng'], theme('geonames_cck_location_name', $item), $item, $node, array(), $icon, $shadow);
|
| 424 |
|
| 425 |
}
|
| 426 |
return $output;
|
| 427 |
}
|
| 428 |
|
| 429 |
|
| 430 |
// =========================== Disambiguation
|
| 431 |
|
| 432 |
/**
|
| 433 |
* Manage the disambiguation for a node. This allows a user to say that the location we selected was incorrect.
|
| 434 |
* This is added to menu as a sub-path for each node.
|
| 435 |
* We look at various parameters to find out which fields to disambigute
|
| 436 |
*
|
| 437 |
* @param integer $nid
|
| 438 |
*/
|
| 439 |
|
| 440 |
function geonames_cck_disambiguate($nid) {
|
| 441 |
// first we need to check what field to work with
|
| 442 |
$node = node_load($nid);
|
| 443 |
if ($_REQUEST['field']) {
|
| 444 |
$fields[$_REQUEST['field']] = $_REQUEST['field'];
|
| 445 |
}
|
| 446 |
else {
|
| 447 |
//TODO: Multiple field disambiguation would require some presentation work. (it's also untested)
|
| 448 |
// no field was specified, so lets do them all
|
| 449 |
// we might have more than one geonames field. We need to handle all of them
|
| 450 |
$type_info = content_types($node->type);
|
| 451 |
$all_fields = $type_info['fields'];
|
| 452 |
if (is_array($all_fields)) {
|
| 453 |
foreach ($all_fields as $field) {
|
| 454 |
($field['type'] == 'geonames_cck') and $fields[$field['field_name']] = $field['field_name'];
|
| 455 |
}
|
| 456 |
}
|
| 457 |
//$fields = geonames_cck_get_all_fields()
|
| 458 |
}
|
| 459 |
// get place and country info from node
|
| 460 |
foreach ($fields as $field) {
|
| 461 |
// if we have a field index, and a new name and country,
|
| 462 |
// then we work only with that field value.
|
| 463 |
// otherwise we have to work with all values
|
| 464 |
|
| 465 |
if ($_REQUEST['field'] && !is_null($_REQUEST['index']) && $_REQUEST['name'] && $_REQUEST['country']) {
|
| 466 |
$indexes = array($_REQUEST['index']); // set the index
|
| 467 |
}
|
| 468 |
else {
|
| 469 |
// set up indexes array to process all field values
|
| 470 |
//for ($count = 0; $count < sizeof($field); $count++) {
|
| 471 |
$indexes[] = 0;
|
| 472 |
//}
|
| 473 |
}
|
| 474 |
|
| 475 |
foreach ($indexes as $index) {
|
| 476 |
// work out which location we need to disambiguate
|
| 477 |
if ($_REQUEST['name']) {
|
| 478 |
$place = check_plain($_REQUEST['name']);
|
| 479 |
}
|
| 480 |
else {
|
| 481 |
$place = $node -> {$field}[$index]['name'];
|
| 482 |
}
|
| 483 |
if ($_REQUEST['country']) {
|
| 484 |
$country = check_plain($_REQUEST['country']);
|
| 485 |
}
|
| 486 |
else {
|
| 487 |
$country = $node -> {$field}[$index]['country'];
|
| 488 |
}
|
| 489 |
if ($place) {
|
| 490 |
$locations = geoapi_convert_location_to_geo($place, $country);
|
| 491 |
}
|
| 492 |
$output .= theme('geonames_cck_disambiguate_page', $place, $country, $locations, $nid, $field, $index, $icon, $shadow);
|
| 493 |
}
|
| 494 |
}
|
| 495 |
return $output;
|
| 496 |
}
|
| 497 |
|
| 498 |
/**
|
| 499 |
* Determine which admin reqion we want to allocate this location to.
|
| 500 |
* Sometimes we want to create boundarys for locations to make things
|
| 501 |
* more intuitive for our users. (London in particular)
|
| 502 |
* TODO: Create an admin interface for this
|
| 503 |
*/
|
| 504 |
function geonames_cck_get_admin_region($adminname, $lat, $lng) {
|
| 505 |
$regions = array(
|
| 506 |
'London' => array(
|
| 507 |
'topleft' => array('lat' => 51.655 , 'lng' => 0.186),
|
| 508 |
'bottomright' => array('lat' => 51.352 , 'lng' => -0.453 )
|
| 509 |
)
|
| 510 |
);
|
| 511 |
foreach ($regions as $name => $region) {
|
| 512 |
if ($lat < $region['topleft']['lat'] && $lat>$region['bottomright']['lat']
|
| 513 |
&& $lng > $region['bottomright']['lng'] && $lng < $region['topleft']['lng']) {
|
| 514 |
$adminname = $name;
|
| 515 |
}
|
| 516 |
}
|
| 517 |
return $adminname;
|
| 518 |
}
|
| 519 |
|
| 520 |
/**
|
| 521 |
* Define a form for the disambiguation page.
|
| 522 |
* Allows a user to specify location
|
| 523 |
*/
|
| 524 |
function geonames_cck_disambiguate_form($city, $country, $nid, $field, $index) {
|
| 525 |
$form['nid'] = array(
|
| 526 |
'#type' => 'value',
|
| 527 |
'#value' => $nid,
|
| 528 |
);
|
| 529 |
$form['field'] = array(
|
| 530 |
'#type' => 'value',
|
| 531 |
'#value' => $field,
|
| 532 |
);
|
| 533 |
|
| 534 |
$form['index'] = array(
|
| 535 |
'#type' => 'value',
|
| 536 |
'#value' => $index,
|
| 537 |
);
|
| 538 |
|
| 539 |
$form['search'] = array(
|
| 540 |
'#description' => '',
|
| 541 |
);
|
| 542 |
$form['search']['name'] = array(
|
| 543 |
'#type' => 'textfield',
|
| 544 |
'#title' => t('Name of city or town'),
|
| 545 |
'#size' => 20,
|
| 546 |
'#maxlength' => 250,
|
| 547 |
'#default_value' => $city,
|
| 548 |
'#attributes' => array('class' => 'float'),
|
| 549 |
);
|
| 550 |
$form['search']['country'] = array(
|
| 551 |
'#type' => 'select',
|
| 552 |
'#title' => t('Country'),
|
| 553 |
'#default_value' => strtoupper($country),
|
| 554 |
'#attributes' => array('class' => 'float'),
|
| 555 |
'#options' => geoapi_countries_trim(30),
|
| 556 |
'#multiple' => false,
|
| 557 |
);
|
| 558 |
$form['search']['submit'] = array(
|
| 559 |
'#type' => 'submit',
|
| 560 |
'#value' => t('Find my town'), // Note: translating button labels can be troublesome in Drupal 5. Everything works fine at the moment but developers extending this module should bear this in mind.
|
| 561 |
);
|
| 562 |
$form['#action'] = url('node/'.$nid.'/disambiguate');
|
| 563 |
// We use the get method here to make this form just send it's data back to the page
|
| 564 |
$form['#method'] = 'get';
|
| 565 |
return $form;
|
| 566 |
}
|
| 567 |
|
| 568 |
// =============helpers ========================//
|
| 569 |
|
| 570 |
|
| 571 |
/**
|
| 572 |
* Get the names of all geonames_cck fields.
|
| 573 |
*
|
| 574 |
* @return $array A list of field objects
|
| 575 |
*/
|
| 576 |
function geonames_cck_get_all_fields() {
|
| 577 |
$fields = content_fields();
|
| 578 |
if (is_array($fields)) {
|
| 579 |
foreach ($fields as $field) {
|
| 580 |
($field['type'] == 'geonames_cck') and $results[$field['field_name']] = $field;
|
| 581 |
}
|
| 582 |
}
|
| 583 |
return $results;
|
| 584 |
}
|
| 585 |
|
| 586 |
/**
|
| 587 |
* Get the names of all geonames_cck_fields in option format.
|
| 588 |
* The output of this function can be used to populate select lists
|
| 589 |
*
|
| 590 |
*/
|
| 591 |
function geonames_cck_get_all_fields_options() {
|
| 592 |
$fields = geonames_cck_get_all_fields();
|
| 593 |
$options = array();
|
| 594 |
if (is_array($fields)) {
|
| 595 |
foreach ($fields as $field) {
|
| 596 |
$options[$field['field_name']] = $field['field_name'];
|
| 597 |
}
|
| 598 |
}
|
| 599 |
return $options;
|
| 600 |
}
|
| 601 |
|
| 602 |
/**
|
| 603 |
* retuns an array of locations for a node
|
| 604 |
*
|
| 605 |
* @param unknown_type $node
|
| 606 |
* @return array List of locations
|
| 607 |
*/
|
| 608 |
function geonames_cck_get_all_node_locations($node) {
|
| 609 |
static $locations = array();
|
| 610 |
if (!$locations[$node->nid]) {
|
| 611 |
$locations[$node->nid] = array();
|
| 612 |
$geo_fields = geonames_cck_get_all_fields();
|
| 613 |
//look for all the defined fields
|
| 614 |
foreach ($geo_fields as $field_name => $field_data) {
|
| 615 |
if (is_array($node->$field_name)) {
|
| 616 |
// this node uses this field
|
| 617 |
foreach ($node->$field_name as $index => $field_data) {
|
| 618 |
$locations[$node->nid][]= $field_data;
|
| 619 |
}
|
| 620 |
}
|
| 621 |
}
|
| 622 |
}
|
| 623 |
return $locations[$node->nid];
|
| 624 |
}
|
| 625 |
|
| 626 |
|
| 627 |
|
| 628 |
/**
|
| 629 |
* Disables multiple field option (temporary)
|
| 630 |
*/
|
| 631 |
function geonames_cck_form_alter($form_id, &$form) {
|
| 632 |
if (!user_access('choose custom icon for node')) {
|
| 633 |
//remove icon option if the user has no permission
|
| 634 |
unset($form['field_geonames_location'][0]['icon']);
|
| 635 |
unset($form['field_geonames_location'][0]['shadow']);
|
| 636 |
}
|
| 637 |
if (arg(0)=='admin' && arg(1)=='content' && arg(2)=='types' && $form['field_type']['#value']=='geonames_cck') {
|
| 638 |
//unset($form['field']['multiple']);
|
| 639 |
$form['field']['multiple']['#disabled'] = true;
|
| 640 |
$form['field']['multiple']['#description']=t('Sorry, this option is not yet available for geonames CCK');
|
| 641 |
}
|
| 642 |
}
|
| 643 |
|
| 644 |
|
| 645 |
// =================== includes ================= //
|
| 646 |
|
| 647 |
include_once('geonames_cck.theme.inc');
|
| 648 |
if (module_exists('views')) {
|
| 649 |
require_once(drupal_get_path('module', 'geonames_cck') .'/geonames_cck.views.inc');
|
| 650 |
}
|