js/utils.js

   1 /**********************************************************************
   2     Copyright (C) FrontAccounting, LLC.
   3         Released under the terms of the GNU General Public License, GPL,
   4         as published by the Free Software Foundation, either version 3
   5         of the License, or (at your option) any later version.
   6     This program is distributed in the hope that it will be useful,
   7     but WITHOUT ANY WARRANTY; without even the implied warranty of
   8     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   9     See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
  10 ***********************************************************************/
  11 function set_mark(img) {
  12         var box = document.getElementById('ajaxmark');
  13         if(img) box.src = user.theme+'images/'+ img;
  14         box.style.visibility = img ? 'visible' : 'hidden'
  15 }
  16
  17 function disp_msg(msg, cl) {
  18         var box = document.getElementById('msgbox')
  19         box.innerHTML= "<div class='"+(cl || 'err_msg')+"'>"+ msg+'</div>';
  20 //      box.style.display = msg=='' ? 'none':'block';
  21     if (msg!='') window.scrollTo(0,element_pos(box).y-10);
  22 }
  23
  24 //
  25 //      JsHttpRequest class extensions.
  26 //
  27 // Main functions for asynchronus form submitions
  28 //      Trigger is the source of request and can have following forms:
  29 //      - input object - all form values are also submited
  30 //  - arbitrary string - POST var trigger with value 1 is added to request;
  31 //              if form parameter exists also form values are submited, otherwise
  32 //              request is directed to current location
  33 //
  34 JsHttpRequest.request= function(trigger, form, tout) {
  35 //      if (trigger.type=='submit' && !validate(trigger)) return false;
  36         tout = tout | 3000;     // default timeout value
  37         set_mark(tout>5000 ? 'progressbar.gif' : 'ajax-loader.gif');
  38         JsHttpRequest._request(trigger, form, tout, 2);
  39 }
  40
  41 JsHttpRequest._request = function(trigger, form, tout, retry) {
  42                 if (trigger.tagName=='A') {
  43                         var content = {};
  44                         var upload = 0;
  45                         var url = trigger.href;
  46                         if (trigger.id) content[trigger.id] = 1;
  47                 } else {
  48                 var submitObj = typeof(trigger) == "string" ?
  49                         document.getElementsByName(trigger)[0] : trigger;
  50
  51                 form = form || (submitObj && submitObj.form);
  52
  53                 var upload = form && form.enctype=='multipart/form-data';
  54
  55                 var url = form ? form.action :
  56                   window.location.toString();
  57
  58                 var content = this.formInputs(trigger, form, upload);
  59
  60                 if (!form) url = url.substring(0, url.indexOf('?'));
  61
  62                 if (!submitObj) {
  63                         content[trigger] = 1;
  64                         }
  65                 }
  66                         // this is to avoid caching problems
  67                 content['_random'] = Math.random()*1234567;
  68
  69                 var tcheck = setTimeout(
  70                         function() {
  71                                 for(var id in JsHttpRequest.PENDING)  {
  72                                         var call = JsHttpRequest.PENDING[id];
  73                                         if (call != false) {
  74                                         if (call._ldObj.xr) // needed for gecko
  75                                                 call._ldObj.xr.onreadystatechange = function(){};
  76                                         call.abort(); // why this doesn't kill request in firebug?
  77 //                                              call._ldObj.xr.abort();
  78                                                 delete JsHttpRequest.PENDING[id];
  79                                         }
  80                                 }
  81                                 set_mark(retry ? 'ajax-loader2.gif':'warning.png' );
  82                                 if(retry)
  83                                         JsHttpRequest._request(trigger, form, tout, retry-1);
  84                         }, tout );
  85
  86         JsHttpRequest.query(
  87             (upload ? "form." : "")+"POST "+url, // force form loader
  88                 content,
  89             // Function is called when an answer arrives.
  90             function(result, errors) {
  91                 // Write the answer.
  92                         var newwin = 0;
  93                 if (result) {
  94                           for(var i in result ) {
  95                           atom = result[i];
  96                           cmd = atom['n'];
  97                           property = atom['p'];
  98                           type = atom['c'];
  99                           id = atom['t'];
 100                           data = atom['data'];
 101 //                              debug(cmd+':'+property+':'+type+':'+id);
 102                         // seek element by id if there is no elemnt with given name
 103                           objElement = document.getElementsByName(id)[0] || document.getElementById(id);
 104                   if(cmd=='as') {
 105                                   eval("objElement.setAttribute('"+property+"',"+data+");");
 106                           } else if(cmd=='up') {
 107 //                              if(!objElement) alert('No element "'+id+'"');
 108                                 if(objElement) {
 109                             if (objElement.tagName == 'INPUT' || objElement.tagName == 'TEXTAREA')
 110                                   objElement.value = data;
 111                             else
 112                                   objElement.innerHTML = data; // selector, div, span etc
 113                                 }
 114                           } else if(cmd=='di') { // disable/enable element
 115                                   objElement.disabled = data;
 116                           } else if(cmd=='fc') { // set focus
 117                                   _focus = data;
 118                           } else if(cmd=='js') {        // evaluate js code
 119                                   eval(data);
 120                           } else if(cmd=='rd') {        // client-side redirection
 121                                   window.location = data;
 122                           } else if(cmd=='pu') {        // pop-up
 123                                   newwin = 1;
 124                                   window.open(data,'REP_WINDOW','toolbar=no,scrollbar=no,resizable=yes,menubar=no');
 125                           } else {
 126                                   errors = errors+'<br>Unknown ajax function: '+cmd;
 127                         }
 128                   }
 129                  if(tcheck)
 130                    JsHttpRequest.clearTimeout(tcheck);
 131         // Write errors to the debug div.
 132                   document.getElementById('msgbox').innerHTML = errors;
 133                   set_mark();
 134
 135                   Behaviour.apply();
 136
 137                   if (errors.length>0)
 138                         window.scrollTo(0,0);
 139                         //document.getElementById('msgbox').scrollIntoView(true);
 140           // Restore focus if we've just lost focus because of DOM element refresh
 141                         if(!newwin) {
 142                                 setFocus();
 143                         }
 144                 }
 145             },
 146                 false  // do not disable caching
 147         );
 148         }
 149         // collect all form input values plus inp trigger value
 150         JsHttpRequest.formInputs = function(inp, objForm, upload)
 151         {
 152                 var submitObj = inp;
 153                 var q = {};
 154
 155                 if (typeof(inp) == "string")
 156                         submitObj = document.getElementsByName(inp)[0]||inp;
 157
 158                 objForm = objForm || (submitObj && submitObj.form);
 159
 160                 if (objForm)
 161                 {
 162                         var formElements = objForm.elements;
 163                         for( var i=0; i < formElements.length; i++)
 164                         {
 165                           var el = formElements[i];
 166                           var name = el.name;
 167                                 if (!el.name) continue;
 168                                 if(upload) { // for form containing file inputs collect all
 169                                         // form elements and add value of trigger submit button
 170                                         // (internally form is submitted via form.submit() not button click())
 171                                         q[name] = submitObj.type=='submit' && el==submitObj ? el.value : el;
 172                                         continue;
 173                                 }
 174                                 if (el.type )
 175                                   if(
 176                                   ((el.type == 'radio' || el.type == 'checkbox') && el.checked == false)
 177                                   || (el.type == 'submit' && (!submitObj || el.name!=submitObj.name)))
 178                                         continue;
 179                                 if (el.disabled && el.disabled == true)
 180                                         continue;
 181                                 if (name)
 182                                 {
 183                                         if(el.type=='select-multiple')
 184                                         {
 185                                                 for (var j = 0; j < el.length; j++)
 186                                                 {
 187                                                         if (el.options[j].selected == true)
 188                                                                 q[name] = el.options[j].value;
 189                                                 }
 190                                         }
 191                                         else
 192                                         {
 193                                                 q[name] = el.value;
 194                                         }
 195                                 }
 196                         }
 197                 }
 198                 return q;
 199         }
 200 //
 201 //      User price formatting
 202 //
 203 function price_format(post, num, dec, label, color) {
 204         var el = label ? document.getElementById(post) : document.getElementsByName(post)[0];
 205         //num = num.toString().replace(/\$|\,/g,'');
 206         if(isNaN(num))
 207                 num = "0";
 208         sign = (num == (num = Math.abs(num)));
 209         if(dec<0) dec = 2;
 210         decsize = Math.pow(10, dec);
 211         num = Math.floor(num*decsize+0.50000000001);
 212         cents = num%decsize;
 213         num = Math.floor(num/decsize).toString();
 214         for( i=cents.toString().length; i<dec; i++){
 215                 cents = "0" + cents;
 216         }
 217         for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
 218                 num = num.substring(0,num.length-(4*i+3))+user.ts+
 219                         num.substring(num.length-(4*i+3));
 220          num = ((sign)?'':'-') + num;
 221          if(dec!=0) num = num + user.ds + cents;
 222         if(label)
 223             el.innerHTML = num;
 224         else
 225             el.value = num;
 226         if(color) {
 227                         el.style.color = (sign) ? '' : '#FF0000';
 228         }
 229 }
 230
 231 function get_amount(doc, label) {
 232             if(label)
 233                         var val = document.getElementById(doc).innerHTML;
 234             else
 235                         var val = typeof(doc) == "string" ?
 236                         document.getElementsByName(doc)[0].value : doc.value;
 237
 238                 val = val.replace(new RegExp('\\'+user.ts, 'g'),'');
 239                 val = +val.replace(new RegExp('\\'+user.ds, 'g'),'.');
 240                 return isNaN(val) ? 0 : val;
 241 }
 242
 243 function goBack() {
 244         if (window.history.length <= 1)
 245          window.close();
 246         else
 247          window.history.go(-1);
 248 }
 249
 250 function setFocus(name, byId) {
 251
 252  if(typeof(name)=='object')
 253         el = name;
 254  else {
 255         if(!name) { // page load/ajax update
 256                 if (_focus)
 257                         name = _focus;  // last focus set in onfocus handlers
 258                 else
 259                         if (document.forms.length) {    // no current focus (first page display) -  set it from from last form
 260                           var cur = document.getElementsByName('_focus')[document.forms.length-1];
 261                           if(cur) name = cur.value;
 262                         }
 263           }
 264           if(byId || !(el = document.getElementsByName(name)[0]))
 265                 el = document.getElementById(name);
 266   }
 267   if(el && el.focus) {
 268     // The timeout is needed to prevent unpredictable behaviour on IE & Gecko.
 269     // Using tmp var prevents crash on IE5
 270
 271     var tmp = function() {el.focus(); if (el.select) el.select();};
 272         setTimeout(tmp, 0);
 273   }
 274 }
 275 /*
 276         Find closest element in neighbourhood and set focus.
 277         dir is arrow keycode.
 278 */
 279 function move_focus(dir, e0, neighbours)
 280 {
 281         var p0 = element_pos(e0);
 282         var t;
 283         var l=0;
 284         for(var i=0; i<neighbours.length; i++) {
 285                 var e = neighbours[i];
 286                 var p = element_pos(e);
 287                 if (p!=null && (e.className=='menu_option' || e.className=='printlink')) {
 288                         if (((dir==40) && (p.y>p0.y)) || (dir==38 && (p.y<p0.y))
 289                                 || ((dir==37) && (p.x<p0.x)) || ((dir==39 && (p.x>p0.x)))) {
 290                                         var l1 = (p.y-p0.y)*(p.y-p0.y)+(p.x-p0.x)*(p.x-p0.x);
 291                                         if ((l1<l) || (l==0)) {
 292                                                 l = l1; t = e;
 293                                         }
 294                         }
 295                 }
 296         }
 297         if (t)
 298                 setFocus(t);
 299         return t;
 300 }
 301
 302 var __isFireFox = navigator.userAgent.match(/gecko/i);
 303 //returns the absolute position of some element within document
 304 function element_pos(e) {
 305         var res = new Object();
 306                 res.x = 0; res.y = 0;
 307         if (e !== null) {
 308                 res.x = e.offsetLeft;
 309                 res.y = e.offsetTop;
 310                 var offsetParent = e.offsetParent;
 311                 var parentNode = e.parentNode;
 312
 313                 while (offsetParent !== null && offsetParent.style.display != 'none') {
 314                         res.x += offsetParent.offsetLeft;
 315                         res.y += offsetParent.offsetTop;
 316                         // the second case is for IE6/7 in some doctypes
 317                         if (offsetParent != document.body && offsetParent != document.documentElement) {
 318                                 res.x -= offsetParent.scrollLeft;
 319                                 res.y -= offsetParent.scrollTop;
 320                         }
 321                               //next lines are necessary to support FireFox problem with offsetParent
 322                         if (__isFireFox) {
 323                                 while (offsetParent != parentNode && parentNode !== null) {
 324                                         res.x -= parentNode.scrollLeft;
 325                                         res.y -= parentNode.scrollTop;
 326
 327                                         parentNode = parentNode.parentNode;
 328                                 }
 329                         }
 330                         parentNode = offsetParent.parentNode;
 331                         offsetParent = offsetParent.offsetParent;
 332                 }
 333         }
 334         // parentNode has style.display set to none
 335         if (parentNode != document.documentElement) return null;
 336         return res;
 337 }