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