openlayers_filters.module in Openlayers 6.2

This file holds the main Drupal hook functions and private functions for the openlayers_filters module.

File

modules/openlayers_filters/openlayers_filters.module

<?php

/**
 * @file
 * This file holds the main Drupal hook functions
 * and private functions for the openlayers_filters module.
 *
 * @ingroup openlayers
 */

/**
 * Implementation of hook_help().
 */
function openlayers_filters_help($path, $arg) {
  $output = '';
  switch ($path) {
    case 'admin/help#openlayers_filters':
      $output = '<p>' . t('The OpenLayers Filters module provides input filters
        to allow for inline maps.') . '</p>';
      return $output;
  }
}

/**
 * Implementation of hook_filter().
 */
function openlayers_filters_filter($op, $delta = 0, $format = -1, $text = '', $cache_id = 0) {
  if ($op == 'list') {
    return array(
      0 => t('Inline OpenLayers Maps'),
    );
  }
  switch ($delta) {
    case 0:
      switch ($op) {
        case 'no cache':
          return TRUE;
        case 'description':
          return t('Substitutes a macro text like !macro_example into an
              appropriate rendered OpenLayers map.', array(
            '!macro_example' => '[openlayers preset_name]',
          ));
        case 'prepare':
          return $text;
        case 'process':
          $matches = array();
          preg_match_all('/\\[(openlayers[^\\]]*)\\]/', $text, $matches);

          // Check for found
          if (is_array($matches[1]) && count($matches[1]) > 0) {
            foreach ($matches[1] as $i => $match) {
              $exploded = explode(' ', $match);
              if (count($exploded) > 1 && ($preset = check_plain($exploded[1]))) {
                $map = openlayers_preset_load($preset);
              }
              else {
                $map = openlayers_preset_load(variable_get('openlayers_default_preset', 'default'));
              }
              if (!empty($map->data) && is_array($map->data)) {
                $rendered = openlayers_render_map($map->data);

                // Replace text with rendered map preset
                $text = str_replace($matches[0][$i], $rendered, $text);
              }
            }
          }
          return $text;
      }
      break;
  }
}

/**
 * Implementation of hook_filter_tips().
 */
function openlayers_filters_filter_tips($delta, $format, $long = FALSE) {
  switch ($delta) {
    case 0:
      if ($long) {
        return t('Substitutes a macro text like !macro_example into a the
          appropriate rendered OpenLayers map. This will render a map
          preset into the body of content. If the preset name is not given,
          as in !macro_example_default, the default map preset will be shown.', array(
          '!macro_example' => '[openlayers preset_name]',
          '!macro_example_default' => '[openlayers]',
        ));
      }
      else {
        return t('Substitutes a macro text like !macro_example into a the
          appropriate rendered OpenLayers map.', array(
          '!macro_example' => '[openlayers preset_name]',
        ));
      }
      break;
  }
}

Related topics

OpenLayers provides an API and

Modules to interface with OpenLayers

Functions

Name	Description
openlayers_filters_filter	Implementation of hook_filter().
openlayers_filters_filter_tips	Implementation of hook_filter_tips().
openlayers_filters_help	Implementation of hook_help().