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 };