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<?php
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// $Id: carto.inc,v 1.12 2006/09/29 08:19:42 openwereld Exp $
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/**
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* These are the functions to be defined only when module is enabled.
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* Otherwise they could mess up with the admin system
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*/
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$carto_config_path = drupal_get_path('module','carto') . '/config.inc';
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if( file_exists( $carto_config_path ) )
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{
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include $carto_config_path;
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// override carto variables
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if( defined( 'SMARTY_DIR' ) )
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variable_set( 'carto_smarty_dir', SMARTY_DIR );
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if( defined( 'MAPPINGWIDGETS_DIR' ) )
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variable_set( 'carto_mappingwidgets_dir', MAPPINGWIDGETS_DIR );
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if( defined( 'MAPPINGWIDGETS_BASE_URI' ) )
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{
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$value = MAPPINGWIDGETS_BASE_URI;
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if( strpos( $value, base_path() ) === 0 )
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{
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// remove base_path from MAPPINGWIDGETS_BASE_URI
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$value = substr( $value, strlen(base_path()) );
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}
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variable_set( 'carto_mappingwidgets_base_uri', $value );
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}
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}
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if( ! defined('SMARTY_DIR') )
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{
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$value = variable_get('carto_smarty_dir','');
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if( file_exists( $value . 'Smarty.class.php' ) )
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{
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define( "SMARTY_DIR", $value );
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}
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else if( is_dir( dirname(__FILE__) . DIRECTORY_SEPARATOR . 'lib' . DIRECTORY_SEPARATOR . 'smarty' . DIRECTORY_SEPARATOR ) )
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{
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// smarty installed under carto module
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define( "SMARTY_DIR", dirname(__FILE__) . DIRECTORY_SEPARATOR . 'lib' . DIRECTORY_SEPARATOR . 'smarty' . DIRECTORY_SEPARATOR );
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}
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else
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{
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// default (for Debian Linux)
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define( 'SMARTY_DIR', '/usr/share/php/smarty/libs/' );
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}
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}
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if( ! defined('MAPPINGWIDGETS_DIR') )
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{
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$value = variable_get('carto_mappingwidgets_dir','');
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if( file_exists( $value . 'MappingWidgets.php' ) )
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{
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define( "MAPPINGWIDGETS_DIR", $value );
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}
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else if( is_dir( dirname(__FILE__) . DIRECTORY_SEPARATOR . 'lib' . DIRECTORY_SEPARATOR . 'mappingwidgets' . DIRECTORY_SEPARATOR ) )
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{
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// mappingwidgets installed under carto module
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define( "MAPPINGWIDGETS_DIR", dirname(__FILE__) . DIRECTORY_SEPARATOR . 'lib' . DIRECTORY_SEPARATOR . 'mappingwidgets' . DIRECTORY_SEPARATOR );
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}
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else
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{
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// default (for Debian Linux)
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define( "MAPPINGWIDGETS_DIR", "/usr/local/share/mappingwidgets/" );
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}
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}
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if( ! defined('MAPPINGWIDGETS_BASE_URI') )
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{
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$value = variable_get('carto_mappingwidgets_base_uri','');
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global $base_url;
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if( $value != '' )
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{
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define( "MAPPINGWIDGETS_BASE_URI", base_path() . $value );
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}
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else
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{
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define( 'MAPPINGWIDGETS_BASE_URI', base_path() . 'modules/carto/lib/mappingwidgets/htdocs/' );
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}
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}
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if( file_exists(variable_get('carto_mappingwidgets_dir',MAPPINGWIDGETS_DIR) . 'MappingWidgets.php')
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&& file_exists(variable_get('carto_smarty_dir',SMARTY_DIR) . 'Smarty.class.php' ) )
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{
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// load configuration for current Drupal site
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if( ($path = drupal_get_filename( 'config', 'carto' )) )
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require_once( $path );
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require_once( variable_get('carto_mappingwidgets_dir',MAPPINGWIDGETS_DIR) . 'MappingWidgets.php' );
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class CartoMapper extends SmartyMapping
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{
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function CartoMapper( )
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{
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// use current drupal locale
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global $locale;
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$this->SmartyMapping( $locale );
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// register selected carto widgets
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if( file_exists( dirname(__FILE__) . '/widgets/' ) )
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{
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$count = $this->registerWidgetPath( dirname(__FILE__) . '/widgets/' );
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//print 'register count=' . $count . '<br/>';
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}
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// add carto skin (name, path, and uri)
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$this->addSkin( 'carto'
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, dirname(__FILE__) . 'skin'
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, base_path() . 'modules/carto/skin/' );
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$this->caching = (variable_get('carto_enable_smarty_caching','1') == '1' ? true : false);
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$this->force_compile = (variable_get('carto_smarty_force_compile','0') == '1' ? true : false);
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/* *
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print 'carto info | locale=' . $locale
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. ' | path=' . drupal_get_path_alias($_GET['q'])
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. ' | caching=' . $this->caching
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. '<br />'
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. MAPPINGWIDGETS_COMPILE_DIR
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;
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/* */
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$this->set_html_head( );
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// register the resource name "carto"
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$this->register_resource( "carto"
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, array( "carto_get_template",
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"carto_get_timestamp",
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"carto_get_secure",
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"carto_get_trusted" ) );
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}
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function set_html_head( )
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{
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// todo: put this somewhere else in drupal 5.0?
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drupal_add_css( variable_get('carto_mappingwidgets_base_uri',substr(MAPPINGWIDGETS_BASE_URI,strlen(base_path())))
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. 'skins/default/styles/mappingwidgets.css' );
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drupal_add_css( drupal_get_path('module','carto') . "/carto.css" );
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$output = "\n";
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$output .= "<meta http-equiv=\"imagetoolbar\" content=\"no\" />\n";
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return drupal_set_html_head( $output );
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}
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/**
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* To be called by Smarty output filter to translate
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* mappingwidgets codes into texts for current locale.
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* NB: mappingwidgets keys in drupal's locale tables
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* are prefixed by '#'.
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*/
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function getTranslation( $key )
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{
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$text = t('#' . $key);
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if( $text != '#' . $key )
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{
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return $text;
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}
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else
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{
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// try to get value from mappingwidgets
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return $GLOBALS['_NG_LANGUAGE_']->getTranslation( $key );
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}
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}
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} // class CartoMapper
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function get_carto_mapper( )
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{
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if( ! isset( $GLOBALS['cartoSmarty'] ) )
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{
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$GLOBALS['cartoSmarty'] = & new CartoMapper();
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}
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return $GLOBALS['cartoSmarty'];
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}
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}
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function carto_get_template( $tpl_name, &$tpl_source, &$smarty_obj )
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{
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// do database call here to fetch your template,
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// populating $tpl_source
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$sql = "select content from {carto_filter_blocks} where cfid = '%s'";
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$result = db_query( $sql, $tpl_name );
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if( db_num_rows( $result ) > 0 )
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{
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$item = db_fetch_object( $result );
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$tpl_source = $item->content;
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return true;
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}
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else
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{
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return false;
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}
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}
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function carto_get_timestamp( $tpl_name, &$tpl_timestamp, &$smarty_obj )
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{
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// do database call here to populate $tpl_timestamp.
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$sql = "select time from {carto_filter_blocks} where cfid = '%s'";
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$result = db_query( $sql, $tpl_name );
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if( db_num_rows( $result ) > 0 )
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{
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$item = db_fetch_object( $result );
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$tpl_timestamp = $item->time;
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return true;
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}
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else
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{
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return false;
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}
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}
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function carto_get_secure( $tpl_name, &$smarty_obj )
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{
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// assume all templates are secure
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return true;
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}
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function carto_get_trusted( $tpl_name, &$smarty_obj )
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{
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// not used for templates
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}
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?>
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