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Make OSM tile server configurable.

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This patch makes it possible to configure the tile server used for serving the OpenStreetMap maps.
Add README with hints about the Tile Usage Policy (http://wiki.openstreetmap.org/wiki/Tile_usage_policy). A list of public available tile servers can be found here: http://wiki.openstreetmap.org/wiki/TMS
You can also configure the default zoom level.
This commit is contained in:
Klaus Weidenbach 2012-02-19 14:28:43 +01:00
parent 1dbc7fc340
commit ecfdb0ab23
3 changed files with 61 additions and 12 deletions
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30
openstreetmap/README Normal file
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@ -0,0 +1,30 @@
____ OpenStreetMap Plugin ____
by Mike Macgirvin
Klaus Weidenbach
This addon allows you to use OpenStreetMap for displaying locations.
___ Requirements ___
To use this plugin you need a tile Server that provides the maps.
OpenStreetMap data is free for everyone to use. Their tile servers are not.
Please take a look at their "Tile Usage Policy":
http://wiki.openstreetmap.org/wiki/Tile_usage_policy
You can run your own tile server or choose one from their list of public
tile servers: http://wiki.openstreetmap.org/wiki/TMS
Support the OpenStreetMap community and share the load.
___ Configuration ___
Open the .htconfig.php file and add "openstreetmap" to the list of activated
addons.
$a->config['system']['addon'] = "openstreetmap, ..."
You have to add two configuration variables for the addon:
$a->config['openstreetmap']['tmsserver'] = 'http://www.openstreetmap.org/';
$a->config['openstreetmap']['zoom'] = '18';
The *tmsserver* points to the tile server you want to use. Use the full URL,
with protocol (http/s) and trailing slash. You can configure the default zoom
level on the map with *zoom*. 1 will show the whole world and 18 is the highest
zoom level available.

3
openstreetmap/admin.tpl Normal file
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{{ inc field_input.tpl with $field=$tmsserver }}{{ endinc }}
{{ inc field_input.tpl with $field=$zoom }}{{ endinc }}
<div class="submit"><input type="submit" name="page_site" value="$submit" /></div>

38
openstreetmap/openstreetmap.php
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@ -1,45 +1,45 @@
<?php
/**
* Name: OpenStreetMap
* Description: Use openstreetmap.org for displaying locations.
* Version: 1.0
* Description: Use OpenStreetMap for displaying locations.
* Version: 1.1
* Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
*
* Author: Klaus Weidenbach
*
*/
function openstreetmap_install() {
register_hook('render_location', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_location');
logger("installed openstreetmap");
}
function openstreetmap_uninstall() {
unregister_hook('render_location', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_location');
logger("removed openstreetmap");
}
function openstreetmap_location($a, &$item) {
if(! (strlen($item['location']) || strlen($item['coord'])))
return;
/*
* Get the configuration variables from the .htconfig file.
*/
$tmsserver = get_config('openstreetmap','tmsserver');
$zoom = get_config('openstreetmap','zoom');
$location = '';
$coord = '';
$location = (($item['location']) ? '<a target="map" title="' . $item['location'] . '" href="http://www.openstreetmap.org/?q=' . urlencode($item['location']) . '">' . $item['location'] . '</a>' : '');
$location = (($item['location']) ? '<a target="map" title="' . $item['location'] . '" href="'.$tmsserver.'?q=' . urlencode($item['location']) . '">' . $item['location'] . '</a>' : '');
if($item['coord']) {
$coords = explode(' ', $item['coord']);
if(count($coords) > 1) {
$coord = '<a target="map" title="' . $item['coord'] . '" href="http://www.openstreetmap.org/?lat=' . urlencode($coords[0]) . '&lon=' . urlencode($coords[1]) . '&zoom=18">' . $item['coord'] . '</a>' ;
$coord = '<a target="map" title="' . $item['coord'] . '" href="'.$tmsserver.'?lat=' . urlencode($coords[0]) . '&lon=' . urlencode($coords[1]) . '&zoom='.$zoom.'">' . $item['coord'] . '</a>' ;
}
}
if(strlen($coord)) {
@ -52,3 +52,19 @@ function openstreetmap_location($a, &$item) {
return;
}
function openstreetmap_plugin_admin (&$a, &$o) {
$t = file_get_contents( dirname(__file__)."/admin.tpl");
$o = replace_macros( $t, array(
'$submit' => t('Submit'),
'$tmsserver' => array('tmsserver', t('Tile Server URL'), get_config('openstreetmap','tmsserver' ), t('A list of <a href="http://wiki.openstreetmap.org/wiki/TMS" target="_blank">public tile servers</a>')),
'$zoom' => array('zoom', t('Default zoom'), get_config('openstreetmap','zoom' ), t('The default zoom level. (1:world, 18:highest)')),
));
}
function openstreetmap_plugin_admin_post (&$a) {
$url = ((x($_POST, 'tmsserver')) ? notags(trim($_POST['tmsserver'])) : '');
$zoom = ((x($_POST, 'zoom')) ? intval(trim($_POST['zoom'])) : '17');
set_config('openstreetmap', 'tmsserver', $url);
set_config('openstreetmap', 'zoom', $zoom);
info( t('Settings updated.'). EOL);
}