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<?php
// $Id$
/**
* @file
* Support for ArcGIS into GMap.
*
* This module implements support for ArcGIS API into a GMap.
*/
/**
* Implementation of hook_perm().
*/
function gmap_arcgis_perm() {
return array('access gmap_arcgis content');
}
/**
* Implementation of hook_gmap().
*/
function gmap_arcgis_gmap($op, &$map) {
if ($op == 'pre_theme_map') {
/**
* Use $map to change and add custom overlays into
* a given map instance.
*/
if (isset($map['arcgis'])) {
global $base_url;
/**
* Make sure that shapes js code are loaded.
*
* This is needed as a workaround to the current GMap
* module that doesn't add shapes js if $map['shapes']
* wasn't previously defined.
*/
if (!empty($map['shapes'])) {
$gmap_path = drupal_get_path('module', 'gmap') . '/js/';
drupal_add_js($gmap_path . 'shapeloader_static.js');
drupal_add_js($gmap_path . 'gmap_shapes.js');
}
/**
* The order to load the following js code is important.
*/
// Add Google js API
$key = variable_get('gmap_api_key', '');
$script = '<script type = "text/javascript" ';
drupal_set_html_head($script . 'src="http://www.google.com/jsapi?key=' . $key . '&sensor=true&language=pt-BR"></script>');
// Add ArcGIS js API and wrapper
drupal_add_js('sites/all/libraries/arcgislink/src/arcgislink_compiled.js');
drupal_add_js('sites/all/libraries/gmap_arcgis_js/gmap_arcgis.js');
// Setup Map Id
drupal_add_js(array('gmap_arcgis' => array('id' => $map['id'])), 'setting');
// TODO: move somewhere else
//jquery_ui_add('ui.dialog');
jquery_ui_add('effects.fold');
jquery_ui_add('effects.explode');
jquery_ui_add('effects.core');
jquery_ui_add('ui.slider');
$path_ui_css = drupal_get_path('module', 'jquery_ui');
drupal_add_css($path_ui_css . '/jquery.ui/themes/default/ui.all.css');
}
}
}
/**
* Set the title of the marker.
*
* @param array $marker
*/
function add_title_on_marker(&$marker) {
if (!empty($marker['text'])) {
$dom = new DOMDocument();
$dom->loadHTML($marker['text']);
//$dom->preserveWhiteSpace = false;
$divs = $dom->getElementsByTagName('div');
if ($divs) {
foreach ($divs AS $div) {
if ($div->getAttribute('id') === 'nid') {
$x = node_load($div->nodeValue);
$titulo = $x->field_categoria[0]['value'] .' '. $x->field_preposicao[0]['value'] . ' ' . $x->title;
$marker['opts'] = array('title' => $titulo, 'nid' => $div->nodeValue, 'category' => 'marker_uc');
}
}
}
}
}
/**
* Wrapper to add custom markers on map. Need to be out somewhere
* @param array marker
*/
function __addMarker(&$map, $data) {
$map['markers'][] = array(
'latitude' => $data['latitude'],
'longitude' => $data['longitude'],
'markername' => $data['markername'],
'offset' => $data['offset'],
'text' => $data['body'],
'opts' => array(
'title' => $data['title'],
'nid' => $data['nid'],
'category' => $data['category'],
),
);
}
/**
* Implementation of hook_block().
*/
function gmap_arcgis_block($op='list', $delta=0, $edit=array()) {
global $map;
switch ($op) {
case 'list':
$blocks[0]['info'] = t('Protected areas list');
return $blocks;
case 'view':
$blocks['subject'] = t('Protected areas list');
$blocks['content'] = drupal_get_form('uc_form') .
'<div id="abrefecha" class="close_gmap_arcgis"><a href="javascript:void(0)" id="clickmapa" title="Temas">X</a></div>';
return $blocks;
case 'configure':
case 'save':
}
}
/**
* Implementation of hook_menu().
*/
function gmap_arcgis_menu() {
$items['gmap_arcgis/mapserver'] = array(
'title' => 'MapServer Proxy',
'description' => 'Caches requests to a MapServer',
'page callback' => 'gmap_arcgis_mapserver',
'access arguments' => array('access content'),
'type' => MENU_CALLBACK,
);
return $items;
}
/**
* Menu callback.
*
* Caches dynamic ArcGIS requests by ignoring the timestamp pattern.
*/
function gmap_arcgis_mapserver() {
header('Content-Type: text/plain;charset=utf-8');
// The ArcGIS server URL.
$base = 'http://gis2.socioambiental.org:8399/arcgis/rest/services/';
// TODO: test site for deforestation
if (preg_match('/desmatamento/', $request)) {
$base = 'http://gisserver.socioambiental.org:6080/arcgis/rest/services/';
}
// The dynamic pattern we want to exclude.
$pattern = '/_[0-9]*._callback/';
$dynamic = FALSE;
$request = $_SERVER['QUERY_STRING'];
$query = str_replace('q=gmap_arcgis/mapserver/', '', $request);
$query = preg_replace('/&/', '?', $query, 1);
$dest = $base . $query;
$process = curl_init($dest);
if (preg_match($pattern, $dest, $timestamp) == 1) {
$dynamic = TRUE;
$key = sha1(preg_replace($pattern, '', $dest));
}
else {
$key = sha1($dest);
}
$data = cache_get($key, 'cache_page');
if ($data == 0) {
curl_setopt($process, CURLOPT_TIMEOUT, 30);
curl_setopt($process, CURLOPT_RETURNTRANSFER, TRUE);
$return = curl_exec($process);
curl_close($process);
cache_set($key, $return, 'cache_page', CACHE_TEMPORARY);
}
else {
$return = $dynamic == TRUE ? preg_replace($pattern, $timestamp[0], $data->data) : $data->data;
// Cache expiration.
if ($data->created < time() - 3600) {
cache_clear_all($key, 'cache_page');
}
}
echo $return;
exit;
}
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