From ccaa9e7ea24f735ae83bd03cce41feef7738cd0d Mon Sep 17 00:00:00 2001
From: Silvio <silvio@socioambiental.org>
Date: Thu, 22 Oct 2009 15:44:14 -0200
Subject: Initial import

---
 gmap_arcgis.module | 102 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 gmap_arcgis.module

(limited to 'gmap_arcgis.module')

diff --git a/gmap_arcgis.module b/gmap_arcgis.module
new file mode 100644
index 0000000..9988676
--- /dev/null
+++ b/gmap_arcgis.module
@@ -0,0 +1,102 @@
+<?php
+// $Id$
+
+/**
+ * @file
+ * Support for ArcGIS into GMap.
+ *
+ * This module implements support for ArcGIS API
+ * into a GMap.
+ */
+
+/**
+ * Implementation of hook_install().
+ */
+function gmap_install() {
+  /**
+   * We need to make sure that this module be the last one
+   * in the hook execution order.
+   */
+  db_query("UPDATE {system} SET weight = 10 WHERE name = 'gmap_arcgis'");
+}
+
+/**
+ * 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'])) {
+      /**
+       * 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('googlemap_api_key', '');
+      $script = '<script type="text/javascript" ';
+      drupal_set_html_head($script .'src="http://www.google.com/jsapi?key='. $key .'"></script>');
+
+      // Add ArcGIS js API
+      drupal_set_html_head($script .'src="http://serverapi.arcgisonline.com/jsapi/gmaps/?v=1.4"></script>');
+
+      // Setup Map Id
+      drupal_add_js(array('gmap_arcgis' => array('id' => $map['id'])), 'setting');
+
+      /**
+       * Setup polygons and labels. Labels have the following format:
+       *
+       *   $map['arcgis']['labels'] = array($layer1 [, $layer2 [,... $layerN]]);
+       *
+       * Where $layer is
+       *
+       *   $layer = array($layer_uri, $fields, $icon);
+       *
+       * Where $layer_uri is a MapService layer and $fields is an array with
+       * a pair of layer fields to pass to the queryand $icon is an array
+       * with parameteres from a GIcon class
+       *
+       *   $icon = array($shadow, $image, $info_size, $shadow_size,
+       *                 $info_anchor, $info_window_anchor);
+       *
+       * For more info on the GIcon class, see
+       * http://code.google.com/intl/pt-BR/apis/maps/documentation/reference.html#GIcon
+       *
+       * Example:
+       *   $labels = array(
+       *       array("http://mapservice/layer1", array('id', 'name'), array(
+       *           NULL, 'http://path/to/icon.png',
+       *           array(20, 34), array(37, 34), array(9, 34), array(9, 2)
+       *           )
+       *         ),
+       *       array("http://mapservice/layer2"),
+       *   );
+       */
+      if (isset($map['arcgis']['polygons'])) {
+        drupal_add_js(array('gmap_arcgis' => array('polygons' => $map['arcgis']['polygons'])), 'setting');
+      }
+      if (isset($map['arcgis']['labels'])) {
+        drupal_add_js(array('gmap_arcgis' => array('labels'   => $map['arcgis']['labels'])),   'setting');
+      }
+
+      // Add custom js
+      $gmap_arcgis_path = drupal_get_path('module', 'gmap_arcgis') .'/';
+      drupal_add_js($gmap_arcgis_path .'gmap_arcgis.js');
+    }
+  }
+}
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