d3.select("li#evento").style("background-color","#cedeef");
var li = d3.select("article.label","ul").selectAll("li");
var img_path = " #path ../../cal/img/";
var json_path = " #data admin/event/json/";
/* menu hide and show edit window*/
li.on("click",function(){
  li.style("background-color","#e6eeff");
  d3.select(this).style("background-color","#cedeef");
  d3.selectAll("div.ehide").style("display","none");
  d3.select( "div#"+d3.select(this).attr("value") ).style("display","block");
});

/*preview event image*/
function updateImage(){
  var iname=d3.select("select#eimg").node().value;
  if(iname != 0){
    d3.select("div#esimg").style("background-image","url("+img_path+iname+")");}
  else{ d3.select("div#esimg").style("background-image","none"); }
}
d3.select("select#eimg").on("change",updateImage);

/*preload form contents for event*/
d3.select("select#eprev").on("change",function(){
  var eprev_id=d3.select("select#eprev").node().value;
  d3.json( json_path+"qEvent.q&ecourse="+eprev_id ,function(d){ 
    if(d[0] !=undefined) {if(d[0].cid != 0){
      dropdownUpdate("ecourse",d[0].cid);
      dropdownUpdate("eplace",d[0].pid);
      d3.select("input#dini").attr("value",d[0].dini);
      dropdownUpdate("mini",d[0].mini);
      dropdownUpdate("yini",d[0].yini);
      d3.select("input#dend").attr("value",d[0].dend);
      dropdownUpdate("mend",d[0].mend);
      dropdownUpdate("yend",d[0].yend);
      d3.select("input#cost").attr("value",d[0].cost);
      d3.select("input#promo").attr("value",d[0].promo);
      d3.select("input#pen").attr("checked",d[0].pen);
      d3.select("input#een").attr("checked",d[0].een);
      dropdownUpdate("eimg",d[0].eimg);
      updateImage();
}} }); });

/*preload form content for course*/
d3.select("select#cprev").on("change",function(){
  var cprev_id=d3.select("select#cprev").node().value;
  d3.json(json_path+"qCourse.q&course="+cprev_id ,function(d){ 
    if(d[0]!=undefined){if(d[0].cid != 0){
      d3.select("input#cname").attr("value",d[0].cname);
      d3.select("textarea#csubjects").text(d[0].csubjects);
      d3.select("textarea#cservices").text(d[0].cservices);
}} }); });

/*preload form content for place*/
d3.select("select#pprev").on("change",function(){
  var pprev_id=d3.select("select#pprev").node().value;
  d3.json(json_path+"qPlace.q&course="+pprev_id ,function(d){ 
    if(d[0]!=undefined){if(d[0].pid != 0){
      d3.select("input#pname").attr("value",d[0].pname);
      d3.select("input#paddr").attr("value",d[0].paddr);
      d3.select("input#pobs").attr("value",d[0].pobs);
      d3.select("input#pto").attr("value",d[0].pto);
      d3.select("input#pst").attr("value",d[0].pst);
      d3.select("input#pco").attr("value",d[0].pco);
      d3.select("input#plat").attr("value",d[0].plat);
      d3.select("input#plng").attr("value",d[0].plng);
      d3.select("input#pen").attr("checked",d[0].pen);
}} }); }); 

/*support "selected" option on other drop down*/
function dropdownUpdate(name,value){
  d3.select("select#"+name).selectAll("option").each(function(d,i) {
    d3.select(this).attr("selected",function(){
      return this.value == value? "selected":null; }); }); 
}