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   1  // $Id: profile.js,v 1.2 2007/12/08 14:06:22 goba Exp $
   2  
   3  /**
   4   * Add functionality to the profile drag and drop table.
   5   *
   6   * This behavior is dependent on the tableDrag behavior, since it uses the
   7   * objects initialized in that behavior to update the row. It shows and hides
   8   * a warning message when removing the last field from a profile category.
   9   */
  10  Drupal.behaviors.profileDrag = function(context) {
  11    var table = $('#profile-fields');
  12    var tableDrag = Drupal.tableDrag['profile-fields']; // Get the profile tableDrag object.
  13  
  14    // Add a handler for when a row is swapped, update empty categories.
  15    tableDrag.row.prototype.onSwap = function(swappedRow) {
  16      var rowObject = this;
  17      $('tr.category-message', table).each(function() {
  18        // If the dragged row is in this category, but above the message row, swap it down one space.
  19        if ($(this).prev('tr').get(0) == rowObject.element) {
  20          // Prevent a recursion problem when using the keyboard to move rows up.
  21          if ((rowObject.method != 'keyboard' || rowObject.direction == 'down')) {
  22            rowObject.swap('after', this);
  23          }
  24        }
  25        // This category has become empty
  26        if ($(this).next('tr').is(':not(.draggable)') || $(this).next('tr').size() == 0) {
  27          $(this).removeClass('category-populated').addClass('category-empty');
  28        }
  29        // This category has become populated.
  30        else if ($(this).is('.category-empty')) {
  31          $(this).removeClass('category-empty').addClass('category-populated');
  32        }
  33      });
  34    };
  35  
  36    // Add a handler so when a row is dropped, update fields dropped into new categories.
  37    tableDrag.onDrop = function() {
  38      dragObject = this;
  39      if ($(dragObject.rowObject.element).prev('tr').is('.category-message')) {
  40        var categoryRow = $(dragObject.rowObject.element).prev('tr').get(0);
  41        var categoryNum = categoryRow.className.replace(/([^ ]+[ ]+)*category-([^ ]+)-message([ ]+[^ ]+)*/, '$2');
  42        var categoryField = $('select.profile-category', dragObject.rowObject.element);
  43        var weightField = $('select.profile-weight', dragObject.rowObject.element);
  44        var oldcategoryNum = weightField[0].className.replace(/([^ ]+[ ]+)*profile-weight-([^ ]+)([ ]+[^ ]+)*/, '$2');
  45  
  46        if (!categoryField.is('.profile-category-'+ categoryNum)) {
  47          categoryField.removeClass('profile-category-' + oldcategoryNum).addClass('profile-category-' + categoryNum);
  48          weightField.removeClass('profile-weight-' + oldcategoryNum).addClass('profile-weight-' + categoryNum);
  49  
  50          categoryField.val(categoryField[0].options[categoryNum].value);
  51        }
  52      }
  53    };
  54  };