gmap.module

<?php
// $Id$

/**
 * @file
 * GMap Filters is a module to include Google Map in a module
 *
 * GMap filter allows the insertion of a googlemap in a module.  It has
 * a page to creat a macro and then a filter to convet the macro into the
 * html and javascript code required to insert a google map.
 */

// @@@ Remove these and generalize lines. @@@
// These are now stored in the map defaults, but not all the code uses it yet.
define('GMAP_LINECOLOR1', '#00cc00');
define('GMAP_LINECOLOR2', '#ff0000');
define('GMAP_LINECOLOR3', '#0000ff');
// @@@ Remove these and generalize lines. @@@

// Current minimum version: 2.113
// Minimum version last changed on: June 9 2008
// Reason: G_SATELLITE_3D_MAP support in gmap_addons. See http://code.google.com/apis/earth/.
//
// See http://groups.google.com/group/Google-Maps-API/web/api-version-changes
// for details on using other version numbers.
define('GMAP_API_VERSION', '2.115');

/**
 * Get the defaults for a gmap.
 */
function gmap_defaults() {
  $defaults = array(
    'width' => '300px',
    'height' => '200px',
    'zoom' => 3,
    'maxzoom' => 14,
    'controltype' => 'Small',
    'align' => 'None',
    'latlong' => '40,0',
    'maptype' => 'Map',
    'mtc' => 'standard',
    'baselayers' => array('Map', 'Satellite', 'Hybrid'),
    'styles' => array(
      'line_default' => array('0000ff', 5, 45, '', 0, 0),
      'poly_default' => array('000000', 3, 25, 'ff0000', 45),
    ),
    'line_colors' => array('#00cc00', '#ff0000', '#0000ff'),
  );
  $defaults['behavior'] = array();
  $m = array();
  $behaviors = module_invoke_all('gmap', 'behaviors', $m);
  foreach ($behaviors as $k => $v) {
    $defaults['behavior'][$k] = $v['default'];
  }
  $defaults = array_merge($defaults, variable_get('gmap_default', array()));
  return $defaults;
}

/**
 * Implementation of hook_gmap().
 */
function gmap_gmap($op, &$map) {
  switch ($op) {
    case 'macro':
      return array(
        'points' => array(
          'multiple' => TRUE,
        ),
        'markers' => array(
          'multiple' => TRUE,
        ),
        'feed' => array(
          'multiple' => TRUE,
        ),
      );
    case 'pre_theme_map':
      $path = drupal_get_path('module', 'gmap') .'/js/';
      // Activate markers if needed
      if ($map['behavior']['dynmarkers'] || !empty($map['markers'])) {
        // The marker data is not a real file. We need to respect
        // clean url capabilities here.
        if (variable_get('clean_url', '0')) {
          drupal_add_js('map/markerdata.js');
        }
        else {
          drupal_add_js('?q=map/markerdata.js');
        }
        drupal_add_js($path .'icon.js');
        drupal_add_js($path .'marker.js');
        drupal_add_js($path . variable_get('gmap_mm_type', 'gmap') .'_marker.js');
      }
      if ($map['behavior']['locpick']) {
        drupal_add_js($path .'locpick.js');
      }
      if (variable_get('gmap_load_zoom_plugin', TRUE) && !$map['behavior']['nomousezoom']) {
        drupal_add_js(drupal_get_path('module', 'gmap') .'/thirdparty/mousewheel.js');
      }
      if ($map['markers'] || $map['lines']) {
        drupal_add_js($path .'markerloader_static.js');
      }
      if ($map['shapes']) {
        drupal_add_js($path .'shapeloader_static.js');
        drupal_add_js($path .'gmap_shapes.js');
      }
      if (is_array($map['feed'])) {
        drupal_add_js($path .'markerloader_georss.js');
      }
      break;
    case 'macro_multiple':
      return array('points', 'markers', 'feed', 'circle', 'rpolygon', 'polygon', 'line');
    case 'behaviors':
      return array(
        'locpick' => array(
          'title' => t('Location chooser'),
          'default' => FALSE,
          'help' => t('Used to activate location choosing using a gmap.'),
          'internal' => TRUE,
        ),
        'nodrag' => array(
          'title' => t('Disable dragging'),
          'default' => FALSE,
          'help' => t('Remove the ability for the user to drag the map. If dragging is disabled, keyboard shortcuts are implicitly disabled.'),
        ),
        'nokeyboard' => array(
          'title' => t('Disable keyboard'),
          'default' => TRUE,
          'help' => t('Disable the keyboard shortcuts.'),
        ),
        'nomousezoom' => array(
          'title' => t('Disable mousezoom'),
          'default' => FALSE,
          'help' => t('Disable using the scroll wheel to zoom the map.'),
        ),
        'autozoom' => array(
          'title' => t('Use AutoZoom'),
          'default' => FALSE,
          'help' => t('Automatically zoom the map to fit all markers when markers are added.'),
        ),
        'dynmarkers' => array(
          'title' => t('Unconditionally enable marker interface'),
          'default' => FALSE,
          'help' => t('Load the marker loader system even if no markers to load are detected. Useful if you are injecting markers from somewhere else.'),
        ),
        'overview' => array(
          'title' => t('Enable Overview Map'),
          'default' => FALSE,
          'help' => t('Enable the "overview map" in the bottom right corner.'),
          'previewable' => TRUE,
        ),
/*        'notype' => array(
          'title' => t('Disable map type control'),
          'default' => FALSE,
          'help' => t('Removes the map type control from the upper right corner. Recommended for very narrow maps.'),
          'previewable' => TRUE,
        ), */
        'collapsehack' => array(
          'title' => t('Work around bugs when maps appear in collapsible fieldsets'),
          'default' => FALSE,
          'help' => t('Enabling this will work around some issues that can occur when maps appear inside collapsible fieldsets.'),
        ),
        // Note to myself, who keeps forgetting what a scale control actually IS.:
        // |------------  1mi ------------|
        'scale' => array(
          'title' => t('Add scale control to map.'),
          'default' => FALSE,
          'help' => t('Adds a scale control to the map in the default position.'),
          'previewable' => TRUE,
        ),
      );
      break;

    case 'baselayers':
      $map['Google']['Map'] = array(
        'title' => t('Map: Standard street map.'),
        'default' => TRUE,
        'help' => t('The standard default street map. Internal name: G_NORMAL_MAP'),
      );
      $map['Google']['Satellite'] = array(
        'title' => t('Satellite: Standard satellite map.'),
        'default' => TRUE,
        'help' => t('Satellite view without street overlay. Internal name: G_SATELLITE_MAP'),
      );
      $map['Google']['Hybrid'] = array(
        'title' => t('Hybrid: Hybrid satellite map.'),
        'default' => TRUE,
        'help' => t('Satellite view with street overlay. Internal name: G_HYBRID_MAP'),
      );
      $map['Google']['Physical'] = array(
        'title' => t('Terrain: Physical feature map.'),
        'default' => FALSE,
        'help' => t('Map with physical data (terrain, vegetation.) Internal name: G_PHYSICAL_MAP'),
      );
      break;
  }
}

/**
 * Set up the HTML header for GMap.
 */
function _gmap_doheader() {