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Semantic Maps

, 1 Aug 2009 GPL3 21.9K 1.2K 23
A MediaWiki extension that allows you to insert, edit, view and aggregate coordinate data
MapsAndSemanticMaps0.2.zip
SemanticMaps
COPYING
GoogleMaps
INSTALL
OpenLayers
README
RELEASE-NOTES
YahooMaps
Maps
COPYING
Geocoders
GoogleMaps
INSTALL
OpenLayers
OpenLayers
img
blank.gif
cloud-popup-relative.png
drag-rectangle-off.png
drag-rectangle-on.png
east-mini.png
layer-switcher-maximize.png
layer-switcher-minimize.png
marker-blue.png
marker-gold.png
marker-green.png
marker.png
measuring-stick-off.png
measuring-stick-on.png
north-mini.png
panning-hand-off.png
panning-hand-on.png
slider.png
south-mini.png
west-mini.png
zoom-minus-mini.png
zoom-plus-mini.png
zoom-world-mini.png
zoombar.png
theme
default
img
add_point_off.png
add_point_on.png
blank.gif
close.gif
drag-rectangle-off.png
drag-rectangle-on.png
draw_line_off.png
draw_line_on.png
draw_point_off.png
draw_point_on.png
draw_polygon_off.png
draw_polygon_on.png
editing_tool_bar.png
move_feature_off.png
move_feature_on.png
navigation_history.png
overview_replacement.gif
pan-panel-NOALPHA.png
pan-panel.png
panning-hand-off.png
panning-hand-on.png
pan_off.png
pan_on.png
remove_point_off.png
remove_point_on.png
ruler.png
save_features_off.png
save_features_on.png
view_next_off.png
view_next_on.png
view_previous_off.png
view_previous_on.png
zoom-panel-NOALPHA.png
zoom-panel.png
OSM
README
RELEASE-NOTES
YahooMaps
<?php

/**
 * Initialization file for the Semantic Maps extension.
 * Extension documentation: http://www.mediawiki.org/wiki/Extension:Semantic_Maps
 *
 * @file SemanticMaps.php
 * @ingroup SemanticMaps
 *
 * @author Jeroen De Dauw
 */

if( !defined( 'MEDIAWIKI' ) ) {
	die( 'Not an entry point.' );
}

define('SM_VERSION', '0.2');

$smgScriptPath = $wgScriptPath . '/extensions/SemanticMaps';
$smgIP = $IP . '/extensions/SemanticMaps';

$wgExtensionFunctions[] = 'smfSetup';

$wgHooks['AdminLinks'][] = 'smfAddToAdminLinks';

$wgExtensionMessagesFiles['SemanticMaps'] = $smgIP . '/SemanticMaps.i18n.php';

// Autoload the general classes
$wgAutoloadClasses['SMMapPrinter'] = $smgIP . '/SM_MapPrinter.php';
$wgAutoloadClasses['SMMapper'] = $smgIP . '/SM_Mapper.php';
$wgAutoloadClasses['SMFormInput'] = $smgIP . '/SM_FormInput.php';

function smfSetup() {
	global $wgExtensionCredits, $egMapsServices, $egMapsMainServices, $wgParser, $wgExtensionCredits;

	foreach($egMapsMainServices as $service) smfInitFormat($service);

	$services_list = implode(', ', $egMapsMainServices);
	
	wfLoadExtensionMessages( 'SemanticMaps' );
	
	$wgExtensionCredits['other'][]= array(
		'name' => wfMsg('semanticmaps_name'),
		'version' => SM_VERSION,
		'author' => array("[http://bn2vs.com Jeroen De Dauw]", "Yaron Koren", "Robert Buzink"),
		'url' => 'http://www.mediawiki.org/wiki/Extension:Semantic_Maps',
		'description' => wfMsg('semanticmaps_desc') . $services_list
	);

	smfInitializeService('map', 'SMMapper');
	
	smfInitializeServiceAliases('googlemaps', 'SMGoogleMaps');
	smfInitializeServiceAliases('yahoomaps', 'SMYahooMaps');
	smfInitializeServiceAliases('openlayers', 'SMOpenLayers');
}

/**
 * Apply smfInitializeService() to a service and all it's aliases.
 *
 * @param unknown_type $mainServiceName
 * @param unknown_type $queryPrinter
 */
function smfInitializeServiceAliases($mainServiceName, $queryPrinter) {
	global $egMapsServices;
	
	smfInitializeService($mainServiceName, $queryPrinter, $mainServiceName);
	foreach ($egMapsServices[$mainServiceName] as $alias) smfInitializeService($alias, $queryPrinter, $mainServiceName);
}

/**
 * Add the service name as result format for the provided query printer, 
 * and set a hook for it's form input.
 *
 * @param unknown_type $service
 * @param unknown_type $queryPrinter
 * @param unknown_type $mainName
 */
function smfInitializeService($service, $queryPrinter, $mainName = '') {
	global $smwgResultFormats, $sfgFormPrinter;
	
	// Check if $smwgResultFormats, a global variable introduced in SMW 1.2.2, is set
	// and add the query printer to the result format.
	if (isset($smwgResultFormats)) {
		$smwgResultFormats[$service] = $queryPrinter;
	}
	else {
		SMWQueryProcessor::$formats[$service] = $queryPrinter;
	}
	
	// Add the form input hook for the service
	$field_args = array();
	if (strlen($mainName) > 0) $field_args['service_name'] = $mainName;
	$sfgFormPrinter->setInputTypeHook($service, 'smfSelectFormInputHTML', $field_args);
}

/**
 * Initialize the result format depending on the map service
 */
function smfInitFormat( $format ) {
	global $smwgResultFormats, $wgAutoloadClasses, $smgIP;

	switch ($format) {
		case 'googlemaps':
			$class = 'SMGoogleMaps';
			$file = $smgIP . '/GoogleMaps/SM_GoogleMaps';
		break;
		case 'openlayers':
			$class = 'SMOpenLayers';
			$file = $smgIP . '/OpenLayers/SM_OpenLayers';
		break;
		case 'yahoomaps':
			$class = 'SMYahooMaps';
			$file = $smgIP . '/YahooMaps/SM_YahooMaps';
		break;
	}

	if (isset($class) && isset($file)) {
		$smwgResultFormats[$format] = $class;
		$wgAutoloadClasses[$class] = $file . ".php";
		$wgAutoloadClasses[$class . "FormInput"] = $file . "FormInput.php";
	}

}

/**
 * Class for the form input type 'map'. The relevant form input class is called depending on the provided service.
 *
 * @param unknown_type $coordinates
 * @param unknown_type $input_name
 * @param unknown_type $is_mandatory
 * @param unknown_type $is_disabled
 * @param unknown_type $field_args
 * @return unknown
 */
function smfSelectFormInputHTML($coordinates, $input_name, $is_mandatory, $is_disabled, $field_args) {
	global $egMapsAvailableServices, $egMapsDefaultService;
	
	// If service_name is set, use this value, and ignore any given service parameters
	// This will prevent ..input type=googlemaps|service=yahoo.. from shwoing up a Yahoo! Maps map
	if (array_key_exists('service_name', $field_args)) $field_args['service'] = $field_args['service_name'];
		
	$field_args['service'] = MapsMapper::getValidService($field_args['service']);
	
	// Create an instace of 
	switch ($field_args['service']) {
		case 'googlemaps' :
			$formInput = new SMGoogleMapsFormInput();
			break;			
		case 'openlayers' :
			$formInput = new SMOpenLayersFormInput();
			break;
		case 'yahoomaps' :
			$formInput = new SMYahooMapsFormInput();
			break;				
	}
	
	// Get and return the form input HTML from the hook corresponding with the provided service
	return $formInput->formInputHTML($coordinates, $input_name, $is_mandatory, $is_disabled, $field_args);		
}

function smfGetDynamicInput($id, $value, $args='') {
	// By De Dauw Jeroen - November 2008 - http://code.bn2vs.com/viewtopic.php?t=120
	return '<input id="'.$id.'" '.$args.' value="'.$value.'" onfocus="if (this.value==\''.$value.'\') {this.value=\'\';}" onblur="if (this.value==\'\') {this.value=\''.$value.'\';}" />';
}

/**
 * Adds a link to Admin Links page
 */
function smfAddToAdminLinks(&$admin_links_tree) {
    $displaying_data_section = $admin_links_tree->getSection(wfMsg('smw_adminlinks_displayingdata'));
    // Escape if SMW hasn't added links
    if (is_null($displaying_data_section))
        return true;
    $smw_docu_row = $displaying_data_section->getRow('smw');
    wfLoadExtensionMessages('SemanticMaps');
    $sm_docu_label = wfMsg('adminlinks_documentation', wfMsg('semanticmaps_name'));
    $smw_docu_row->addItem(AlItem::newFromExternalLink("http://www.mediawiki.org/wiki/Extension:Semantic_Maps", $sm_docu_label));
    return true;
}

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License

This article, along with any associated source code and files, is licensed under The GNU General Public License (GPLv3)

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About the Author

Jeroen De Dauw
Software Developer
Belgium Belgium
I am a free and open source software enthusiast and freelance software developer with multiple years of experience in both web and desktop development. Currently my primarily focus is on MediaWiki and Semantic MediaWiki work. I'm in the all time top 10 MediaWiki comitters and am one of the WikiWorks consultants. You can contact me at jeroendedauw at gmail for development jobs and questions related to my work.

More info can be found on my website [0] and my blog [1]. You can also follow me on twitter [2] and identi.ca [3].

[0] http://www.jeroendedauw.com/
[1] http://blog.bn2vs.com/
[2] https://twitter.com/#!/JeroenDeDauw
[3] http://identi.ca/jeroendedauw

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