js/utils.js

   1 //
   2 //      JsHttpRequest class extensions.
   3 //
   4     JsHttpRequest.request= function(submit) {
   5         JsHttpRequest.query(
   6             'POST '+window.location.toString(), // backend
   7
   8             this.formValues(submit),
   9
  10             // Function is called when an answer arrives.
  11             function(result, errors) {
  12                         // Write errors to the debug div.
  13             document.getElementById('msgbox').innerHTML = errors;
  14                 // Write the answer.
  15                 if (result) {
  16                     for(var i in result ) {
  17                         atom = result[i];
  18
  19                         cmd = atom['n'];
  20                         property = atom['p'];
  21                         type = atom['c'];
  22                         id = atom['t'];
  23                         data = atom['data'];
  24 //                      alert(cmd+':'+property+':'+type+':'+id+':'+data);
  25                         // seek element by id if there is no elemnt with given name
  26                         objElement = document.getElementsByName(id)[0] || document.getElementById(id);
  27                 if(cmd=='as') {
  28                                   eval("objElement."+property+"=data;");
  29                         } else if(cmd=='up') {
  30                           if(!objElement) debug('No element "'+id+'"');
  31                             if (objElement.tagName == 'INPUT' || objElement.tagName == 'TEXTAREA')
  32                                   objElement.value = data;
  33                             else
  34                                   objElement.innerHTML = data; // selector, div, span etc
  35                         } else if(cmd=='di') { // disable element
  36                                   objElement.disabled = data;
  37                         } else if(cmd=='js') {  // evaluate js code
  38                                   eval(data);
  39                         } else if(cmd=='rd') {  // client-side redirection
  40                             debug('redirecting '+data);
  41                                   window.location = data;
  42                         } else {
  43                                   errors = errors+'<br>Unknown ajax function: '+cmd;
  44                         }
  45                     }
  46                         Behaviour.apply();
  47                         if (errors.length>0)
  48                         // window.scrollTo(0,0);
  49                         document.getElementById('msgbox').scrollIntoView(true);
  50                 }
  51             },
  52             false  // do not disable caching
  53         );
  54     }
  55         // returns input field values submitted when form button 'name' is pressed
  56         //
  57         JsHttpRequest.formValues = function(inp)
  58         {
  59                 var objForm;
  60                 var submitObj;
  61                 var q = {};
  62
  63                 if (typeof(inp) == "string")
  64                         submitObj = document.getElementsByName(inp)[0];
  65                 else
  66                         submitObj = inp;
  67                 if(submitObj) {
  68                   objForm = submitObj.form;
  69                 }
  70                 if (objForm)
  71                 {
  72                         var formElements = objForm.elements;
  73                         for( var i=0; i < formElements.length; i++)
  74                         {
  75                           var el = formElements[i];
  76                                 if (!el.name) continue;
  77                                 if (el.type )
  78                                   if(
  79                                   ((el.type == 'radio' || el.type == 'checkbox') && el.checked == false)
  80                                   || (el.type == 'submit' && el.name!=submitObj.name))
  81                                         continue;
  82                                 if (el.disabled && el.disabled == true)
  83                                         continue;
  84                                 var name = el.name;
  85                                 if (name)
  86                                 {
  87                                         if(el.type=='select-multiple')
  88                                         {
  89                                                 for (var j = 0; j < el.length; j++)
  90                                                 {
  91                                                         if (el.options[j].selected == true)
  92                                                                 q[name] = el.options[j].value;
  93                                                 }
  94                                         }
  95                                         else
  96                                         {
  97                                                 q[name] = el.value;
  98                                         }
  99                                 }
 100                         }
 101                 }
 102                 // this is to avoid caching problems
 103                 q['_random'] = Math.random()*1234567;
 104                 return q;
 105         }
 106 //
 107 //      User price formatting
 108 //
 109 function price_format(post, num, dec, label) {
 110         //num = num.toString().replace(/\$|\,/g,'');
 111         if(isNaN(num))
 112                 num = "0";
 113         sign = (num == (num = Math.abs(num)));
 114         if(dec<0) dec = 2;
 115         decsize = Math.pow(10, dec);
 116         num = Math.floor(num*decsize+0.50000000001);
 117         cents = num%decsize;
 118         num = Math.floor(num/decsize).toString();
 119         for( i=cents.toString().length; i<dec; i++){
 120                 cents = "0" + cents;
 121         }
 122         for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
 123                 num = num.substring(0,num.length-(4*i+3))+user.ts+
 124                         num.substring(num.length-(4*i+3));
 125          num = ((sign)?'':'-') + num;
 126          if(dec!=0) num = num + user.ds + cents;
 127         if(label)
 128             document.getElementById(post).innerHTML = num;
 129         else
 130             document.getElementsByName(post)[0].value = num;
 131         }
 132         function get_amount(doc, label) {
 133             if(label)
 134                 var val = document.getElementById(doc).innerHTML;
 135             else
 136                 var val = document.getElementsByName(doc)[0].value;
 137                 val = val.replace(new RegExp('\\'+user.ts, 'g'),'');
 138                 val = val.replace(new RegExp('\\'+user.ds, 'g'),'.');
 139                 return 1*val;
 140         }
 141
 142 function goBack() {
 143         if (window.history.length <= 1)
 144          window.close();
 145         else
 146          window.history.go(-1);
 147 }