js/utils.js

   1 //
   2 //      JsHttpRequest class extensions.
   3 //
   4     JsHttpRequest.request= function(submit) {
   5                 var url = window.location.toString();
   6                 url = url.substring(0, url.indexOf('?'));
   7
   8         JsHttpRequest.query(
   9             'POST '+url, // backend
  10             this.formValues(submit),
  11
  12             // Function is called when an answer arrives.
  13             function(result, errors) {
  14                         // Write errors to the debug div.
  15             document.getElementById('msgbox').innerHTML = errors;
  16
  17                 // Write the answer.
  18                 if (result) {
  19                           for(var i in result ) {
  20                           atom = result[i];
  21
  22                           cmd = atom['n'];
  23                           property = atom['p'];
  24                           type = atom['c'];
  25                           id = atom['t'];
  26                           data = atom['data'];
  27 //                              debug(cmd+':'+property+':'+type+':'+id);
  28                         // seek element by id if there is no elemnt with given name
  29                           objElement = document.getElementsByName(id)[0] || document.getElementById(id);
  30                   if(cmd=='as') {
  31                                   eval("objElement."+property+"=data;");
  32                           } else if(cmd=='up') {
  33 //                              if(!objElement) debug('No element "'+id+'"');
  34                             if (objElement.tagName == 'INPUT' || objElement.tagName == 'TEXTAREA')
  35                                   objElement.value = data;
  36                             else
  37                                   objElement.innerHTML = data; // selector, div, span etc
  38                           } else if(cmd=='di') { // disable/enable element
  39                                   objElement.disabled = data;
  40                           } else if(cmd=='fc') { // set focus
  41                                   _focus = data;
  42                           } else if(cmd=='js') {        // evaluate js code
  43                                   eval(data);
  44                           } else if(cmd=='rd') {        // client-side redirection
  45                                   _page_reload = true;
  46                                   window.location = data;
  47                           } else {
  48                                   errors = errors+'<br>Unknown ajax function: '+cmd;
  49                         }
  50                 }
  51                 Behaviour.apply();
  52                   if (errors.length>0)
  53                         window.scrollTo(0,0);
  54                         //document.getElementById('msgbox').scrollIntoView(true);
  55           // Restore focus if we've just lost focus because of DOM element refresh
  56                 setFocus();
  57                 }
  58             },
  59             false  // do not disable caching
  60         );
  61     }
  62         // returns input field values submitted when form button 'name' is pressed
  63         //
  64         JsHttpRequest.formValues = function(inp)
  65         {
  66                 var objForm;
  67                 var submitObj;
  68                 var q = {};
  69
  70                 if (typeof(inp) == "string")
  71                         submitObj = document.getElementsByName(inp)[0];
  72                 else
  73                         submitObj = inp;
  74                 if(submitObj) {
  75                   objForm = submitObj.form;
  76                 }
  77                 if (objForm)
  78                 {
  79                         var formElements = objForm.elements;
  80                         for( var i=0; i < formElements.length; i++)
  81                         {
  82                           var el = formElements[i];
  83                                 if (!el.name) continue;
  84                                 if (el.type )
  85                                   if(
  86                                   ((el.type == 'radio' || el.type == 'checkbox') && el.checked == false)
  87                                   || (el.type == 'submit' && el.name!=submitObj.name))
  88                                         continue;
  89                                 if (el.disabled && el.disabled == true)
  90                                         continue;
  91                                 var name = el.name;
  92                                 if (name)
  93                                 {
  94                                         if(el.type=='select-multiple')
  95                                         {
  96                                                 for (var j = 0; j < el.length; j++)
  97                                                 {
  98                                                         if (el.options[j].selected == true)
  99                                                                 q[name] = el.options[j].value;
 100                                                 }
 101                                         }
 102                                         else
 103                                         {
 104                                                 q[name] = el.value;
 105                                         }
 106                                 }
 107                         }
 108                 }
 109                 // this is to avoid caching problems
 110                 q['_random'] = Math.random()*1234567;
 111                 return q;
 112         }
 113 //
 114 //      User price formatting
 115 //
 116 function price_format(post, num, dec, label) {
 117         //num = num.toString().replace(/\$|\,/g,'');
 118         if(isNaN(num))
 119                 num = "0";
 120         sign = (num == (num = Math.abs(num)));
 121         if(dec<0) dec = 2;
 122         decsize = Math.pow(10, dec);
 123         num = Math.floor(num*decsize+0.50000000001);
 124         cents = num%decsize;
 125         num = Math.floor(num/decsize).toString();
 126         for( i=cents.toString().length; i<dec; i++){
 127                 cents = "0" + cents;
 128         }
 129         for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
 130                 num = num.substring(0,num.length-(4*i+3))+user.ts+
 131                         num.substring(num.length-(4*i+3));
 132          num = ((sign)?'':'-') + num;
 133          if(dec!=0) num = num + user.ds + cents;
 134         if(label)
 135             document.getElementById(post).innerHTML = num;
 136         else
 137             document.getElementsByName(post)[0].value = num;
 138 }
 139
 140 function get_amount(doc, label) {
 141             if(label)
 142                 var val = document.getElementById(doc).innerHTML;
 143             else
 144                 var val = document.getElementsByName(doc)[0].value;
 145                 val = val.replace(new RegExp('\\'+user.ts, 'g'),'');
 146                 val = val.replace(new RegExp('\\'+user.ds, 'g'),'.');
 147                 return 1*val;
 148 }
 149
 150 function goBack() {
 151         if (window.history.length <= 1)
 152          window.close();
 153         else
 154          window.history.go(-1);
 155 }
 156
 157 function setFocus(name, byId) {
 158
 159   if(!name) {
 160         if (_focus)
 161                 name = _focus;  // last focus set in onfocus handlers
 162         else {  // no current focus -  set it from from hidden var (first page display)
 163           var cur = document.getElementsByName('_focus')[0];
 164           if(cur) name = cur.value;
 165         }
 166   }
 167   if(byId)
 168         el = document.getElementById(name);
 169   else
 170         el = document.getElementsByName(name)[0];
 171   if(el && el.focus) {
 172     // The timeout is needed to prevent unpredictable behaviour on IE & Gecko.
 173     // Using tmp var prevents crash on IE5
 174     var tmp = function() {el.focus()};
 175         setTimeout(tmp, 0);
 176   }
 177 }