inc/plugin_admin.js

   1 /**
   2  * Change the position counter of a row.
   3  *
   4  * @param elem  Element Node to change.
   5  * @param toPos int     New position.
   6  */
   7 function changePos(elem, toPos)
   8 {
   9     var elemName = elem.getAttribute('data-line')
  10
  11     elem.setAttribute('data-order', toPos);
  12     var hiddenInput = document.querySelector('[name="order_'+ elemName +'"]');
  13     hiddenInput.setAttribute('value', toPos);
  14 }
  15
  16 /**
  17  * Move a row up or down.
  18  *
  19  * @param pos  Element Node to move.
  20  * @param move int     Move: +1 (down) or -1 (up)
  21  */
  22 function changeOrder(pos, move)
  23 {
  24     var newpos = parseInt(pos) + move;
  25     var lines = document.querySelectorAll('[data-order="'+ pos +'"]');
  26     var changelines = document.querySelectorAll('[data-order="'+ newpos +'"]');
  27
  28     // If we go down reverse lines to preserve the rows order
  29     if (move > 0) {
  30         lines = [].slice.call(lines).reverse();
  31     }
  32
  33     for (var i = 0 ; i < lines.length ; i++) {
  34         var parent = changelines[0].parentNode;
  35         changePos(lines[i], newpos);
  36         changePos(changelines[i], parseInt(pos));
  37         var changeItem = move < 0 ? changelines[0] : changelines[changelines.length - 1].nextSibling;
  38         parent.insertBefore(lines[i], changeItem);
  39     }
  40
  41 }
  42
  43 /**
  44  * Move a row up in the table.
  45  *
  46  * @param pos int row counter.
  47  *
  48  * @returns false
  49  */
  50 function orderUp(pos)
  51 {
  52     if (pos == 0) {
  53         return false;
  54     }
  55     changeOrder(pos, -1);
  56     return false;
  57 }
  58
  59 /**
  60  * Move a row down in the table.
  61  *
  62  * @param pos int row counter.
  63  *
  64  * @returns false
  65  */
  66 function orderDown(pos)
  67 {
  68     var lastpos = document.querySelector('[data-order]:last-child').getAttribute('data-order');
  69     if (pos == lastpos) {
  70         return false;
  71     }
  72
  73     changeOrder(pos, +1);
  74     return false;
  75 }