js/budget.js

   1 /**********************************************************************
   2     Copyright (C) FrontAccounting, LLC.
   3         Released under the terms of the GNU Affero General Public License,
   4         AGPL, as published by the Free Software Foundation, either version
   5         3 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/agpl-3.0.html>.
  10 ***********************************************************************/
  11 function focus_budget(i) {
  12     save_focus(i);
  13         i.setAttribute('_last', get_amount(i.name));
  14 }
  15
  16 function blur_budget(i) {
  17         var amount = get_amount(i.name);
  18         var total = get_amount('Total', 1);
  19
  20         if(amount<0) amount = 0;
  21         price_format(i.name, amount, 0);
  22         price_format('Total', total+amount-i.getAttribute('_last'), 0, 1, 1);
  23 }
  24
  25
  26 var budget_calc = {
  27         '.amount': function(e) {
  28                 e.onblur = function() {
  29                         blur_budget(this);
  30                   };
  31                 e.onfocus = function() {
  32                         focus_budget(this);
  33                 };
  34         }
  35 }
  36
  37 Behaviour.register(budget_calc);