osrm-backend/WebContent/gui/OSRM.Selector.js
2012-05-12 08:22:21 +02:00

67 lines
2.3 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 selector
// [create special selector elements]
OSRM.GUI.extend( {
// initialize selector with all options and our look&feel
selectorInit: function(id, options, selected, onchange_fct) {
// create dropdown menu
var select = document.getElementById(id);
select.className += " styled-select-helper base-font";
select.onchange = function() { OSRM.GUI.selectorOnChange(this); onchange_fct(this.value); };
// fill dropdown menu
for(var i=0, size=options.length; i<size; i++) {
var option=document.createElement("option");
option.innerHTML = options[i].display;
option.value = options[i].value;
select.appendChild(option);
}
select.value = options[selected].value;
// create visible dropdown menu
var textnode = document.createTextNode( options[selected].display );
var myspan = document.createElement("span");
myspan.className = "styled-select base-font";
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";
},
// required behaviour of selector on change to switch shown name
selectorOnChange: function(select) {
var option = select.getElementsByTagName("option");
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 selector value
selectorChange: function(select, value) {
select.value = value;
OSRM.GUI.selectorOnChange(select);
}
});