[Sommaire] [Imprimer]

   1  /**
   2    * Allows moving around inputs/select by Ctrl+arrows
   3    *
   4    * @param   object   event data
   5    */
   6  function onKeyDownArrowsHandler(e) {
   7      e = e||window.event;
   8      var o = (e.srcElement||e.target);
   9      if (!o) return;
  10      if (o.tagName != "TEXTAREA" && o.tagName != "INPUT" && o.tagName != "SELECT") return;
  11      if (navigator.userAgent.toLowerCase().indexOf('applewebkit/') != -1) {
  12          if (e.ctrlKey || e.shiftKey || !e.altKey) return;
  13      } else {
  14          if (!e.ctrlKey || e.shiftKey || e.altKey) return;
  15      }
  16      if (!o.id) return;
  17  
  18      var pos = o.id.split("_");
  19      if (pos[0] != "field" || typeof pos[2] == "undefined") return;
  20  
  21      var x = pos[2], y=pos[1];
  22  
  23      // skip non existent fields
  24      for (i=0; i<10; i++)
  25      {
  26          if (switch_movement) {
  27              switch(e.keyCode) {
  28                  case 38: x--; break; // up
  29                  case 40: x++; break; // down
  30                  case 37: y--; break; // left
  31                  case 39: y++; break; // right
  32                  default: return;
  33              }
  34          } else {
  35              switch(e.keyCode) {
  36                  case 38: y--; break; // up
  37                  case 40: y++; break; // down
  38                  case 37: x--; break; // left
  39                  case 39: x++; break; // right
  40                  default: return;
  41              }
  42          }
  43  
  44          var id = "field_" + y + "_" + x;
  45          var nO = document.getElementById(id);
  46          if (!nO) {
  47              var id = "field_" + y + "_" + x + "_0";
  48              var nO = document.getElementById(id);
  49          }
  50          if (nO) break;
  51      }
  52  
  53      if (!nO) return;
  54      nO.focus();
  55      if (nO.tagName != 'SELECT') {
  56          nO.select();
  57      }
  58      e.returnValue = false;
  59  }