osrm-backend/WebContent/localization/OSRM.Localization.js

113 lines
4.4 KiB
JavaScript

/*
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU AFFERO General Public License as published by
the Free Software Foundation; either version 3 of the License, or
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
or see http://www.gnu.org/licenses/agpl.txt.
*/
// OSRM localization
// [basic localization options]
OSRM.Localization = {
current_language: OSRM.DEFAULTS.LANGUAGE,
// initialize localization
init: function() {
// create dropdown menu
var select = document.createElement('select');
select.id = "gui-language-toggle";
select.className = "top-left-button";
select.onchange = function() { OSRM.Localization.setLanguage(this.value); };
// fill dropdown menu
var supported_languages = OSRM.DEFAULTS.LANGUAGE_SUPPORTED;
for(var i=0, size=supported_languages.length; i<size; i++) {
var option=document.createElement("option");
option.innerHTML = supported_languages[i].display_name;
option.value = supported_languages[i].encoding;
select.appendChild(option);
}
select.value = OSRM.DEFAULTS.LANGUAGE;
// add element to DOM
var input_mask_header = document.getElementById('input-mask-header');
input_mask_header.insertBefore(select,input_mask_header.firstChild);
// create visible dropdown menu
var textnode = document.createTextNode(OSRM.DEFAULTS.LANGUAGE);
var myspan = document.createElement("span");
myspan.className = "styled-select";
myspan.id = "styled-select" + select.id;
myspan.appendChild(textnode);
select.parentNode.insertBefore(myspan, select);
myspan.style.width = (select.clientWidth-2)+"px";
myspan.style.height = (select.clientHeight)+"px";
},
// perform language change
setLanguage: function(language) {
if( OSRM.Localization[language]) {
OSRM.Localization.current_language = language;
// update selector
if( select = document.getElementById('gui-language-toggle') ) { // yes, = not == !
var option = select.getElementsByTagName("option");
select.value = language;
for(var i = 0; i < option.length; i++)
if(option[i].selected == true) {
document.getElementById("styled-select" + select.id).childNodes[0].nodeValue = option[i].childNodes[0].nodeValue;
break;
}
}
// change gui language
OSRM.GUI.setLabels();
// requery data
if( OSRM.G.markers.route.length > 1)
OSRM.Routing.getRoute();
else if(OSRM.G.markers.route.length > 0 && document.getElementById('information-box').innerHTML != "" ) {
OSRM.Geocoder.call( OSRM.C.SOURCE_LABEL, document.getElementById("gui-input-source").value );
OSRM.Geocoder.call( OSRM.C.TARGET_LABEL, document.getElementById("gui-input-target").value );
} else {
OSRM.Geocoder.updateAddress(OSRM.C.SOURCE_LABEL, false);
OSRM.Geocoder.updateAddress(OSRM.C.TARGET_LABEL, false);
document.getElementById('information-box').innerHTML = "";
document.getElementById('information-box-header').innerHTML = "";
}
} else if(OSRM.DEFAULTS.LANUGAGE_ONDEMAND_RELOADING==true) {
var supported_languages = OSRM.DEFAULTS.LANGUAGE_SUPPORTED;
for(var i=0, size=supported_languages.length; i<size; i++) {
if( supported_languages[i].encoding == language) {
var script = document.createElement('script');
script.type = 'text/javascript';
script.src = OSRM.DEFAULTS.LANGUAGE_FILES_DIRECTORY + "OSRM.Locale."+language+".js";
document.head.appendChild(script);
break;
}
}
}
},
// if existing, return localized string -> English string -> input string
translate: function(text) {
if( OSRM.Localization[OSRM.Localization.current_language] && OSRM.Localization[OSRM.Localization.current_language][text] )
return OSRM.Localization[OSRM.Localization.current_language][text];
else if( OSRM.Localization[OSRM.DEFAULTS.LANGUAGE] && OSRM.Localization[OSRM.DEFAULTS.LANGUAGE][text] )
return OSRM.Localization[OSRM.DEFAULTS.LANGUAGE][text];
else
return text;
}
};
// shorter call to translate function
OSRM.loc = OSRM.Localization.translate;