/*
 Unit de funções JavaScript para processamento de requisições AJAX
 Copyright © 2007-2008 Server Informática
 Autor - Fábio Manfredini
*/

function GetParams(obj) {
 var i = 0;
 var getstr = '';
 var objChild = obj.childNodes[i];
 if (obj) {
  while (objChild) {
    getstr += GetParams(objChild);
    i++;
    objChild = obj.childNodes[i];
  }

//  if (obj.tagName == "DIV") {
//   alert(obj.innerHTML);
//   for (var i=0,c;c=obj.childnodes[i];i++) alert(c.tagName)
//  }


  if (obj.tagName) {
   if (obj.tagName.toUpperCase() == "SELECT") {
/*    if (obj.selectedIndex > -1) */
        for (var i = 0; i < obj.options.length; i++)
           if (obj.options[i].selected)
             getstr += obj.name + "=" + encodeURIComponent(obj.options[i].value) + "&";
   }

   if (obj.tagName.toUpperCase() == "TEXTAREA") {
     getstr += obj.name + "=" + encodeURIComponent(obj.value) + "&";
   }

   if (obj.tagName.toUpperCase() == "INPUT") {
      if (obj.type == "text") {
         getstr += obj.name + "=" + encodeURIComponent(obj.value) + "&";
      }
      if (obj.type == "hidden") {
         getstr += obj.name + "=" + encodeURIComponent(obj.value) + "&";
      }
      if (obj.type == "password") {
         getstr += obj.name + "=" + encodeURIComponent(obj.value) + "&";
      }
      if (obj.type.toUpperCase() == "CHECKBOX") {
         if (obj.checked) {
            getstr += obj.name + "=S&";
         } else {
            getstr += obj.name + "=N&";
         }
      }
      if (obj.type.toUpperCase() == "RADIO") {
         if (obj.checked) {
            getstr += obj.name + "=" + encodeURIComponent(obj.value) + "&";
         }
      }
   }
  }

 }
 return getstr;
}

function MakeParamsURL(URL, Parameters, obj) {
  var strResult = "";
  var strFormFields;

  if (typeof obj == "undefined")
    obj = document.body;
	
  if (obj == null)
    obj = document.body;

  strFormFields = GetParams(obj);

  strResult = URL;
  
  if (Parameters != "") {
   strResult += "?" + Parameters;
  }

  if (strFormFields != "") {
   if (Parameters != "")
     strResult += "&"
    else
      strResult += "?";
   strResult += strFormFields;
  }

  return strResult;
}

/* Execução uma requisição Ajax no servidor e o insere o HTML retornado no DIV informado */
function Ajax(divID, URL, Parameters, obj, Carregando, OnGetResponse, UseObj, async, CallBack, ResponseToOnGetParameter) {

    if (window.XMLHttpRequest) {
        var HTTPReq = new XMLHttpRequest();
        } else {
         var HTTPReq = new ActiveXObject("Microsoft.XMLHTTP");
        }

    el = document.getElementById(divID);
	 
	obj = document.getElementById(obj); 	
	
    //var URLParams = MakeParamsURL(URL,Parameters, obj);
	
	if (UseObj){
		var URLParams = MakeParamsURL(URL,Parameters, obj);
	} else {
		var URLParams = URL + "?" + Parameters;
	}
	
	var SessionID = getParameterByName('SessionID');
	if (SessionID !== ''){
		URLParams = URLParams +'&SessionID='+SessionID;
	}
	$.ajax({url:URLParams,
          dataType : 'text',
          success: function(response) {
            if (el) {
              if (el.tagName) {
                if (response.substr(0,4) == 'URL:') {
                  window.location = response.substr(4);
                } else {
              
                  div = document.getElementById(divID);
                
                  if (div == '' || div == null || div ==undefined){
                    return;
                  }
              
                  if (el.tagName.toUpperCase() == "DIV") {
                    document.getElementById(divID).innerHTML = response;
                  } else {
                    document.getElementById(divID).value = decodeURIComponent(response);
                  }
                }                           
              }
            }
            $('.bshop-filtro label + input[type=checkbox]').prev().css('display','inline');
            $('.bshop-filtro label + input[type=checkbox]').css('vertical-align','middle');

            if ($.mobile !== undefined) {
              $.mobile.loading("hide");
            }
            if (OnGetResponse !== '' && OnGetResponse !== null && OnGetResponse !==undefined){
              if (ResponseToOnGetParameter){
                OnGetResponse(response);			
              } else {
                OnGetResponse();
              }					
            }
          }         
  }).done(function(response) {
            if (CallBack !== '' && CallBack !== null && CallBack !==undefined){
              CallBack(response);			
            }
          });
	

    if (Carregando == 1) {
      /* if (el) {
         if (el.tagName) {
           if (el.tagName.toUpperCase() == "DIV") {
             document.getElementById(divID).innerHTML = "Carregando..." + document.getElementById(divID).innerHTML;
           }
         }
       }*/
	   if ($.mobile !== undefined) {
		   $.mobile.loading( "show", {
			  text: "Buscando dados...",
			  textVisible: true,
			  theme: "b",
			  html: ""
			});
		} else {
			if (el) {
			 	if (el.tagName) {
			   		if (el.tagName.toUpperCase() == "DIV") {
				 		document.getElementById(divID).innerHTML = "Carregando..." + document.getElementById(divID).innerHTML;
					}
				}
			}
		}
    }
}

function AjaxNewWindow(URL, Parameters, obj) {
    var URLParams = MakeParamsURL(URL,Parameters, obj);
    window.open(URLParams);
}

function AjaxRedirect(URL, Parameters) {
    var URLParams = MakeParamsURL(URL,Parameters, null);
    window.location = URLParams;
}

function setHTMLElement(Field, Value) {
  document.getElementById(Field).value = Value;
}

function AjaxSwitch(divID, URL, Parameters, obj, Carregando, CallBack) {
 if (document.getElementById(divID).innerHTML == "") {
  Ajax(divID,URL,Parameters, obj, Carregando, null, true, true, CallBack, true);
 } else {
  document.getElementById(divID).innerHTML = "";
 }
}

function setVisibility(id, value){
	el = document.getElementById(id);
	if (el !== null) {
		el.style.visibility = value;
	}
}
		 
function getSelectedOption(id){
	return $( "select#"+id+" option:selected" ).val()
}

function setModoLayout(ReportName, Preset){
	var str = '';	
	var DoSetModoLayout = function(s){
		if (s == '' || s == undefined || s==null){
			return;
		}
				
		var obj = JSON.parse(s);
		
		if (!obj.PresetFound){
			return;
		}
		
		elReportMode = document.getElementById('ReportMode');
		elLayout = document.getElementById('Layout');
		
		
		if (elLayout == null || elLayout == undefined){			
			Ajax('divLayouts','/bshop/GetReportLayouts','Report=' + ReportName,null,1,function(){setModoLayout(ReportName, getSelectedOption('Preset'))},true,true,null,false);
		}
		
		if (elReportMode !== null && elReportMode !== undefined){			
			var refresh = obj.Modo != elReportMode.value;
			
			if (refresh){
				elReportMode.value = obj.Modo;
				elReportMode.onchange();
			}
		}
		
		if (elLayout !== null && elLayout !== undefined && obj.Layout != ''){
			elLayout.value = obj.Layout;		
		} else {
			if (elLayout !== null){
        elLayout.SelectedIndex = 0;
      }
		}
		
		//if (elReportMode == null || elReportMode == undefined){
			//document.getElementById('BtnAtualiza').click();
			document.getElementById('BtnRefreshFilter').click();			
		//}
	}
	
	Ajax('', '/bshop/getModoLayoutFromPreset', 'Preset=' + Preset + '&ReportName=' + ReportName + "&A=1", null, 0, DoSetModoLayout, false, true, null, true);	
}

function getParameterByName(name, url) {
    if (!url) url = window.location.href;
    name = name.replace(/[\[\]]/g, "\\$&");
    var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)"),
        results = regex.exec(url);
    if (!results) return null;
    if (!results[2]) return '';
    return decodeURIComponent(results[2].replace(/\+/g, " "));
}