gm3.theme.inc in Google Maps API V3 7

File

gm3.theme.inc

<?php

/**
 * Simple theme function
 */
function theme_gm3_map($variables) {
  $map = gm3_get_map($variables);
  return drupal_render($map);
}

/**
 * Function to return a renderable array for a map.
 */
function gm3_get_map($variables) {

  // No need to use drupal_static here!
  static $info = array();
  if (!isset($variables['map']['id'])) {

    // Could we get this dynamically from hook_theme?
    $variables['map']['id'] = 'gm3-map';
  }
  if (isset($variables['map']['libraries']['point']['convexhull']) && $variables['map']['libraries']['point']['convexhull']) {

    // We need to add a convex hull polygon.  Lets do so.
    if (gm3_load_geophp()) {
      $points = array();
      foreach ($variables['map']['libraries']['point']['points'] as $point) {
        $points[] = new Point($point['latitude'], $point['longitude']);
      }
      $multipoint = new MultiPoint($points);
      $convexhull = json_decode(@$multipoint
        ->convexHull()
        ->out('json'));
      $poly = array();
      foreach ($convexhull->coordinates[0] as $latlng) {
        $poly[] = array(
          $latlng[1],
          // WHY OH WHY is this the reverse order of what we expect?
          $latlng[0],
        );
      }
      $variables['map']['libraries']['polygon']['polygons'][] = array(
        'polygon' => $poly,
        'editable' => FALSE,
        'content' => t('Convex hull for the points within it.'),
      );
    }
  }
  if (isset($info[$variables['map']['id']])) {

    // this map has already been initialized.
    // We can alter settings for the map, but won't be able to add any tools
    // to the map.  This won't be a problem for viewing a map, but may be an
    // issue for editing.
    drupal_add_js(array(
      'gm3' => array(
        'maps' => array(
          $variables['map']['id'] => array(
            'libraries' => $variables['map']['libraries'],
          ),
        ),
      ),
    ), 'setting');
    return FALSE;
  }
  else {
    $info[$variables['map']['id']] = TRUE;
    gm3_add($variables['map']);
    $tools = '';
    if (isset($variables['map']['tools'])) {
      $tools = '<div class="gm3-tools"><ul id="toolbar-' . $variables['map']['id'] . '"><li class="gm3-clicked"><div data-gm3-class="default" class="gm3-tools-button"><p>' . t('Move') . '</p></div></li><li>' . implode("</li><li>", $variables['map']['tools']) . '</li></ul></div>';
    }
    return array(
      '#attached' => array(
        'css' => array(
          drupal_get_path('module', 'gm3') . '/css/gm3.css',
        ),
      ),
      '#markup' => '<div class="gm3-container">' . $tools . '<div class="gm3-map-wrapper"><div id="' . $variables['map']['id'] . '"></div></div></div>',
    );
  }
}

/**
 * Polygon tools button
 */
function theme_gm3_polygon_button($variables) {
  theme('gm3_beautytip', array(
    'selector' => '.gm3-tools-button[data-gm3-class="polygon"]',
    'text' => t('Click to enable adding/removing polygons.  Many sided polygons are simply added by clicking on the extreme points of the polygon.'),
  ));
  return '<div data-gm3-class="polygon" class="gm3-tools-button"><p>+ ' . t('Polygon') . '</p></div>';
}

/**
 * Polyline tools button
 */
function theme_gm3_polyline_button($variables) {
  theme('gm3_beautytip', array(
    'selector' => '.gm3-tools-button[data-gm3-class="polyline"]',
    'text' => t('Click to enable adding/removing lines.  Lines are added by clicking on the map once to start a line, and then on every point where there is an angle in the line.'),
  ));
  return '<div data-gm3-class="polyline" class="gm3-tools-button"><p>+ ' . t('Line') . ' +</p></div>';
}

/**
 * Polyline tools button
 */
function theme_gm3_rectangle_button($variables) {
  theme('gm3_beautytip', array(
    'selector' => '.gm3-tools-button[data-gm3-class="rectangle"]',
    'text' => t('Click to enable adding/removing rectangles.<br/>Add a rectangle by clicking on the map at the top left of a rectangle, and then at the bottom right.'),
  ));
  return '<div data-gm3-class="rectangle" class="gm3-tools-button"><p>+ ' . t('Rectangle') . '</p></div>';
}

/**
 * Point tools button
 */
function theme_gm3_point_button($variables) {
  theme('gm3_beautytip', array(
    'selector' => '.gm3-tools-button[data-gm3-class="point"]',
    'text' => t('Click to enable adding/removing points.<br/>Add points by left clicking the map.<br/>Remove a point by right clicking it.'),
  ));
  return '<div data-gm3-class="point" class="gm3-tools-button"><p>+ ' . t('Point') . '</p></div>';
}

/**
 * Theme a GM3 beautytip.
 */
function theme_gm3_beautytip($variables) {
  if (function_exists('beautytips_add_beautytips')) {
    $options['bt_drupal_help_page'] = array(
      'cssSelect' => $variables['selector'],
      'text' => $variables['text'],
      'closeWhenOthersOpen' => TRUE,
      'shrinkToFit' => TRUE,
      'width' => '300px',
      'spikeLength' => '10',
      'overlap' => '3',
      'positions' => 'right',
      'fill' => '#eee',
      'cornerRadius' => '3',
      'shadow' => TRUE,
    );
    beautytips_add_beautytips($options);
  }
}

/**
 * Callback to add a Google map to a specific element ID on the page.
 */
function gm3_add(&$map = array()) {
  $map['settings'] = array_merge(gm3_settings(), isset($map['settings']) ? $map['settings'] : array());
  drupal_alter('gm3_map', $map);
  if (isset($map['libraries']) && is_array($map['libraries'])) {
    foreach ($map['libraries'] as $library => $settings) {
      $module = 'gm3';
      if (is_array($settings)) {
        $module = isset($settings['module']) ? $settings['module'] : $module;
      }
      else {
        $map['libraries'][$settings] = $settings;
        unset($map['libraries'][$library]);
        $library = $settings;
      }
      $library = $module == 'gm3' ? "gm3.{$library}" : $library;
      drupal_add_library($module, $library);
    }
  }
  drupal_add_library('gm3', 'gm3');
  drupal_add_js(array(
    'gm3' => array(
      'maps' => array(
        $map['id'] => $map,
      ),
    ),
  ), 'setting');
}

/**
 * Theme a GM3 view.
 */
function theme_gm3_view_gm3($variables) {
  $geo_fields = array();
  $none_geo_fields = array();
  foreach ($variables['view']->field as $field_key => $field) {
    if (isset($field->field_info['type']) && substr($field->field_info['type'], 0, 4) == 'gm3_') {
      $geo_fields[$field_key] = $field->field_info['type'];
    }
    else {
      $none_geo_fields[] = $field_key;
    }
  }
  $map = array(
    'libraries' => array(),
  );

  //foreach($variables['view']->result as $index => $row){
  foreach ($variables['rows'] as $index => $row) {
    $content = '';
    foreach ($none_geo_fields as $key) {
      if ($key == 'title') {

        // Need a way of setting the title on all entity types.
      }
      else {
        if (isset($row->{"field_{$key}"})) {
          foreach ($row->{"field_{$key}"} as $key => $value) {
            if (is_array($value['rendered'])) {
              $content .= drupal_render($value['rendered']);
            }
            else {
              $content .= $value['rendered'];
            }
          }
        }
      }
    }
    foreach ($geo_fields as $key => $type) {
      switch ($type) {
        case 'gm3_rectangle':
        case 'gm3_polygon':
        case 'gm3_polyline':
          foreach ($row->{"field_{$key}"} as $item) {
            module_load_include('functions.inc', 'gm3');
            if (!isset($map['libraries'][substr($type, 4)])) {
              $map['libraries'][substr($type, 4)] = array(
                substr($type, 4) . 's' => array(),
              );
            }
            $map['libraries'][substr($type, 4)][substr($type, 4) . 's'][] = array(
              substr($type, 4) => array_pop(gm3_convert_polygon_string($item['raw'][substr($type, 4)])),
              'editable' => FALSE,
              'content' => $content,
            );
          }
          break;
        case 'gm3_point':
          if (!isset($map['libraries']['point'])) {
            $map['libraries']['point'] = array(
              'points' => array(),
            );
          }
          foreach ($row->{"field_{$key}"} as $item) {
            $point = $item['raw'];
            $point['content'] = $content;
            $map['libraries']['point']['points'][] = $point;
          }
          break;
        case 'gm3_combination':
          foreach ($row->{"field_{$key}"} as $item) {
            switch ($item['raw']['gm3_type']) {
              case 'point':
                if (!isset($map['libraries']['point'])) {
                  $map['libraries']['point'] = array(
                    'points' => array(),
                  );
                }
                $map['libraries']['point']['points'][] = array(
                  'latitude' => $item['raw']['latitude'],
                  'longitude' => $item['raw']['longitude'],
                  'content' => $content,
                );
                break;
              case 'rectangle':
              case 'polyline':
              case 'polygon':
                module_load_include('functions.inc', 'gm3');
                if (!isset($map['libraries'][$item['raw']['gm3_type']])) {
                  $map['libraries'][$item['raw']['gm3_type']] = array(
                    $item['raw']['gm3_type'] . 's' => array(),
                  );
                }
                $map['libraries'][$item['raw']['gm3_type']][$item['raw']['gm3_type'] . 's'][] = array(
                  $item['raw']['gm3_type'] => array_pop(gm3_convert_polygon_string($item['raw'][$item['raw']['gm3_type']])),
                  'editable' => FALSE,
                  'content' => $content,
                );
                break;
              default:

                // The default - This field type is not defined by the gm3 module,
                // we therefore append call the map_alter function for this
                // field
                $function = "{$item['raw']['gm3_type']}_map_alter";
                if (function_exists($function)) {
                  $function($map, $item['raw']);
                }
                break;
            }
          }
          break;
        default:

          // The default - This field type is not defined by the gm3 module,
          // we therefore append call the map_alter function for this
          // field
          foreach ($row->{"field_{$key}"} as $item) {
            $function = "{$item['raw']['gm3_type']}_map_alter";
            if (function_exists($function)) {
              $function($map, $item['raw']);
            }
          }
          break;
      }
    }
  }
  return theme('gm3_map', array(
    'map' => $map,
  ));
}

Functions

Name	Description
gm3_add	Callback to add a Google map to a specific element ID on the page.
gm3_get_map	Function to return a renderable array for a map.
theme_gm3_beautytip	Theme a GM3 beautytip.
theme_gm3_map	Simple theme function
theme_gm3_point_button	Point tools button
theme_gm3_polygon_button	Polygon tools button
theme_gm3_polyline_button	Polyline tools button
theme_gm3_rectangle_button	Polyline tools button
theme_gm3_view_gm3	Theme a GM3 view.