js/inserts.js

   1 var _focus;
   2 var _hotkeys = {
   3         'alt': false,   // whether is the Alt key pressed
   4         'focus': -1     // currently selected indeks of document.links
   5 };
   6
   7 function debug(msg) {
   8     box = document.getElementById('msgbox')
   9         box.innerHTML= box.innerHTML+'<br>'+msg
  10 }
  11
  12 function progbar() {
  13         box = document.getElementById('msgbox');
  14     box.innerHTML= "<center><table width='98%' border='1' cellpadding=3 "
  15         +"bordercolor='#007700' style='border-collapse: collapse'>"
  16         +"<tr><td align='center' bgcolor='#ccffcc' >"
  17                 +"<img src='"+user.theme+"images/progressbar.gif' alt='"
  18                 +user.loadtxt+"' /></td></tr></table></center><br>";
  19         box.style.display = 'block';
  20 }
  21
  22 function save_focus(e) {
  23   _focus = e.name||e.id;
  24   var h = document.getElementById('hints');
  25   if (h) {
  26         h.style.display = e.title && e.title.length ? 'inline' : 'none';
  27         h.innerHTML = e.title ? e.title : '';
  28   }
  29 }
  30
  31 function _expand(tabobj) {
  32
  33   var ul = tabobj.parentNode.parentNode;
  34   var alltabs=ul.getElementsByTagName("input");
  35   var frm = tabobj.form;
  36
  37   if (ul.getAttribute("rel")){
  38         for (var i=0; i<alltabs.length; i++){
  39           alltabs[i].className = "ajaxbutton"  //deselect all tabs
  40         }
  41         tabobj.className = "current";
  42         JsHttpRequest.request(tabobj)
  43   }
  44 }
  45
  46 //interface for selecting a tab (plus expand corresponding content)
  47 function expandtab(tabcontentid, tabnumber) {
  48   var tabs = document.getElementById(tabcontentid);
  49  _expand(tabs.getElementsByTagName("input")[tabnumber]);
  50 }
  51
  52 function _set_combo_input(e) {
  53                 e.setAttribute('_last', e.value);
  54                 e.onblur=function() {
  55                   var but_name = this.name.substring(0, this.name.length-4)+'button';
  56                   var button = document.getElementsByName(but_name)[0];
  57                   var select = document.getElementsByName(this.getAttribute('rel'))[0];
  58                   save_focus(select);
  59 // submit request if there is submit_on_change option set and
  60 // search field has changed.
  61                   if (button && (this.value != this.getAttribute('_last'))) {
  62                         JsHttpRequest.request(button);
  63                   } else if(this.className=='combo2') {
  64                                 this.style.display = 'none';
  65                                 select.style.display = 'inline';
  66                                 setFocus(select.name);
  67                   }
  68                   return false;
  69                 };
  70                 e.onkeyup = function(ev) {
  71                         var select = document.getElementsByName(this.getAttribute('rel'))[0];
  72                         if(select && select.selectedIndex>=0) {
  73                           var len = select.length;
  74                           var byid = this.className=='combo';
  75                           var ac = this.value.toUpperCase();
  76                           select.options[select.selectedIndex].selected = false;
  77                           for (i = 0; i < len; i++) {
  78                                 var txt = byid ? select.options[i].value : select.options[i].text;
  79                                 if (txt.toUpperCase().indexOf(ac) >= 0) {
  80                                   select.options[i].selected = true;
  81                                   break;
  82                                 }
  83                           }
  84                         }
  85                 };
  86         e.onkeydown = function(ev) {
  87                         ev = ev||window.event;
  88                         key = ev.keyCode||ev.which;
  89                         if(key == 13) {
  90                           this.blur();
  91                           return false;
  92                         }
  93                 }
  94 }
  95
  96 function _update_box(s) {
  97         var byid = s.className=='combo';
  98         var rel = s.getAttribute('rel');
  99         var box = document.getElementsByName(rel)[0];
 100                 if(box && s.selectedIndex>=0) {
 101                           var opt = s.options[s.selectedIndex];
 102                                 if(box) {
 103                                   box.value = byid ? opt.value : opt.text;
 104                                   box.setAttribute('_last', box.value);
 105                                 }
 106                 }
 107 }
 108
 109 function _set_combo_select(e) {
 110                 // When combo position is changed via js (eg from searchbox)
 111                 // no onchange event is generated. To ensure proper change
 112                 // signaling we must track selectedIndex in onblur handler.
 113                 e.setAttribute('_last', e.selectedIndex);
 114                 e.onblur = function() {
 115                         if(this.className=='combo')
 116                             _update_box(this);
 117                         if (this.selectedIndex != this.getAttribute('_last'))
 118                                 this.onchange();
 119                 }
 120                 e.onchange = function() {
 121                         var s = this;
 122                         this.setAttribute('_last', this.selectedIndex);
 123                         if(s.className=='combo')
 124                             _update_box(s);
 125                         if(s.selectedIndex>=0) {
 126                                  var sname = '_'+s.name+'_update';
 127                                  var update = document.getElementsByName(sname)[0];
 128                                  if(update) {
 129                                             JsHttpRequest.request(update);
 130                                 }
 131                         }
 132                         return true;
 133                 }
 134                 e.onkeydown = function(event) {
 135                     event = event||window.event;
 136                     key = event.keyCode||event.which;
 137                     var box = document.getElementsByName(this.getAttribute('rel'))[0];
 138                     if (box && key == 32 && this.className == 'combo2') {
 139                             this.style.display = 'none';
 140                             box.style.display = 'inline';
 141                                 box.value='';
 142                                 setFocus(box.name);
 143                             return false;
 144                          }
 145                         if (this.getAttribute('aspect') == 'editable' && key==115) {
 146                                 // F4: call related database editor - not available in non-js fallback mode
 147                                 JsHttpRequest.request('_'+this.name+'_editor', this.form);
 148                                 return false; // prevent default binding
 149                                 // TODO: stopPropagation when needed
 150                         }
 151                 }
 152 }
 153
 154 /*
 155  Behaviour definitions
 156 */
 157 var inserts = {
 158         'form': function(e) {
 159                 e.onkeydown = function(ev) {
 160                         ev = ev||window.event;
 161                         key = ev.keyCode||ev.which;
 162                         if((ev.ctrlKey && key == 13) || key == 27) {
 163                                 ev.cancelBubble = true;
 164                         if(ev.stopPropagation) ev.stopPropagation();
 165 // here ctrl-enter/escape support
 166                                 ev.returnValue = false;
 167                                 return false;
 168                         }
 169                         return true;
 170                 }
 171         },
 172         'input': function(e) {
 173                 if(e.onfocus==undefined) {
 174                         e.onfocus = function() {
 175                             save_focus(this);
 176                                 if (this.className == 'combo')
 177                                         this.select();
 178                         };
 179                 }
 180                 if (e.className == 'combo' || e.className == 'combo2') {
 181                                 _set_combo_input(e);
 182                 }
 183                 else
 184                 if(e.type == 'text' ) {
 185                                 e.onkeydown = function(ev) {
 186                                         ev = ev||window.event;
 187                                         key = ev.keyCode||ev.which;
 188                                         if(key == 13) {
 189                                                 if(e.className == 'searchbox') e.onblur();
 190                                                 return false;
 191                                         }
 192                                         return true;
 193                                 }
 194                         }
 195         },
 196         'input.combo2,input[aspect="fallback"]':
 197         function(e) {
 198             // this hides search button for js enabled browsers
 199             e.style.display = 'none';
 200         },
 201         'div.js_only':
 202         function(e) {
 203             // this shows divs for js enabled browsers only
 204             e.style.display = 'block';
 205         },
 206         'input.ajaxsubmit,button.ajaxsubmit,button.editbutton,button.navibutton':
 207         function(e) {
 208             e.onclick = function() {
 209                         if (this.getAttribute('aspect') == 'process')
 210                                 progbar();
 211                         JsHttpRequest.request(this);
 212                         return false;
 213             }
 214         },
 215     '.amount': function(e) {
 216                 if(e.onblur==undefined) {
 217                   e.onblur = function() {
 218                         var dec = this.getAttribute("dec");
 219                         price_format(this.name, get_amount(this.name), dec);
 220                   };
 221                 }
 222         },
 223         '.searchbox': // emulated onchange event handling for text inputs
 224                 function(e) {
 225                         e.setAttribute('_last_val', e.value);
 226                         e.setAttribute('autocomplete', 'off'); //must be off when calling onblur
 227                         e.onblur = function() {
 228                                 var val = this.getAttribute('_last_val');
 229                                 if (val != this.value) {
 230                                         this.setAttribute('_last_val', this.value);
 231                                         JsHttpRequest.request('_'+this.name+'_changed', this.form);
 232                                 }
 233                         }
 234 /*              e.onkeydown = function(ev) {
 235                                 ev = ev||window.event;
 236                                 key = ev.keyCode||ev.which;
 237                                 if (key == 13 && (this.value != this.getAttribute('_last_val'))) {
 238                                         this.blur();
 239                                         return false;
 240                                 }
 241                         }
 242 */              },
 243         'select': function(e) {
 244                 if(e.onfocus==undefined) {
 245                         e.onfocus = function() {
 246                             save_focus(this);
 247                         };
 248                   var c = e.className;
 249                   if (c == 'combo' || c == 'combo2')
 250                         _set_combo_select(e);
 251                 }
 252         },
 253         'textarea,a': function(e) {
 254                 if(e.onfocus==undefined) {
 255                         e.onfocus = function() {
 256                             save_focus(this);
 257                         };
 258                 }
 259         },
 260         'ul.ajaxtabs':  function(ul) {
 261             var ulist=ul.getElementsByTagName("li");
 262             for (var x=0; x<ulist.length; x++){ //loop through each LI e
 263                 var ulistlink=ulist[x].getElementsByTagName("input")[0];
 264                 if(ulistlink.onclick==undefined) {
 265 // ?  var modifiedurl=ulistlink.getAttribute("href").replace(/^http:\/\/[^\/]+\//i, "http://"+window.location.hostname+"/")
 266                     var url = ulistlink.form.action
 267                     ulistlink.onclick=function(){
 268                         _expand(this);
 269                         return false;
 270                     }
 271                 }
 272             }
 273         },
 274         '#msgbox': function(e) {
 275         // this is to avoid changing div height after ajax update in IE7
 276           e.style.display = e.innerHTML.length ? 'block' : 'none';
 277         }
 278 /* TODO
 279         'a.date_picker':  function(e) {
 280             // this un-hides data picker for js enabled browsers
 281             e.href = date_picker(this.getAttribute('rel'));
 282             e.style.display = '';
 283             e.tabindex = -1; // skip in tabbing order
 284         }
 285 */
 286 };
 287 function stopEv(ev) {
 288                         ev.returnValue = false;
 289                         ev.cancelBubble = true;
 290                         if(ev.preventDefault) ev.preventDefault();
 291                         return false;
 292 }
 293 /*
 294         Modified accesskey system. While Alt key is pressed letter keys moves
 295         focus to next marked link. Alt key release activates focused link.
 296 */
 297 function setHotKeys() {
 298         document.onkeydown = function(ev) {
 299                 ev = ev||window.event;
 300                 key = ev.keyCode||ev.which;
 301                 if (key == 18) {        // start selection
 302                         _hotkeys.alt = true;
 303                         _hotkeys.focus = -1;
 304                         return stopEv(ev);
 305                 } else
 306                 if (key == 27) { // cancel selection
 307                         _hotkeys.alt = false;
 308                         _hotkeys.focus = -1;
 309                         return stopEv(ev);
 310                 }
 311                 else if (_hotkeys.alt && ((key>47 && key<58) || (key>64 && key<91))) {
 312                         var n = _hotkeys.focus;
 313                         var l = document.links;
 314                         var cnt = l.length;
 315                         key = String.fromCharCode(key);
 316                         for (var i=0; i<cnt; i++) {
 317                                 n = (n+1)%cnt;
 318                                 // check also if the link is visible
 319                                 if (l[n].accessKey==key && l[n].scrollWidth) {
 320                                         _hotkeys.focus = n;
 321             // The timeout is needed to prevent unpredictable behaviour on IE.
 322                                         var tmp = function() {document.links[_hotkeys.focus].focus();};
 323                                         setTimeout(tmp, 0);
 324                                         break;
 325                                 }
 326                         }
 327                         return stopEv(ev);
 328                 }
 329                 return true;
 330         };
 331         document.onkeyup = function(ev) {
 332                 if (_hotkeys.alt==true) {
 333                         ev = ev||window.event;
 334                         key = ev.keyCode||ev.which;
 335
 336                         if (key == 18) {
 337                                 _hotkeys.alt = false;
 338                                 if (_hotkeys.focus>=0) {
 339                                         window.location = document.links[_hotkeys.focus].href;
 340                                 }
 341                         }
 342                         return stopEv(ev);
 343                 }
 344                 return true;
 345         }
 346 }
 347
 348 Behaviour.register(inserts);
 349
 350 Behaviour.addLoadEvent(setFocus);
 351 Behaviour.addLoadEvent(setHotKeys);