webmaster@1: // $Id: profile.js,v 1.2 2007/12/08 14:06:22 goba Exp $
webmaster@1: 
webmaster@1: /**
webmaster@1:  * Add functionality to the profile drag and drop table.
webmaster@1:  *
webmaster@1:  * This behavior is dependent on the tableDrag behavior, since it uses the
webmaster@1:  * objects initialized in that behavior to update the row. It shows and hides
webmaster@1:  * a warning message when removing the last field from a profile category.
webmaster@1:  */
webmaster@1: Drupal.behaviors.profileDrag = function(context) {
webmaster@1:   var table = $('#profile-fields');
webmaster@1:   var tableDrag = Drupal.tableDrag['profile-fields']; // Get the profile tableDrag object.
webmaster@1: 
webmaster@1:   // Add a handler for when a row is swapped, update empty categories.
webmaster@1:   tableDrag.row.prototype.onSwap = function(swappedRow) {
webmaster@1:     var rowObject = this;
webmaster@1:     $('tr.category-message', table).each(function() {
webmaster@1:       // If the dragged row is in this category, but above the message row, swap it down one space.
webmaster@1:       if ($(this).prev('tr').get(0) == rowObject.element) {
webmaster@1:         // Prevent a recursion problem when using the keyboard to move rows up.
webmaster@1:         if ((rowObject.method != 'keyboard' || rowObject.direction == 'down')) {
webmaster@1:           rowObject.swap('after', this);
webmaster@1:         }
webmaster@1:       }
webmaster@1:       // This category has become empty
webmaster@1:       if ($(this).next('tr').is(':not(.draggable)') || $(this).next('tr').size() == 0) {
webmaster@1:         $(this).removeClass('category-populated').addClass('category-empty');
webmaster@1:       }
webmaster@1:       // This category has become populated.
webmaster@1:       else if ($(this).is('.category-empty')) {
webmaster@1:         $(this).removeClass('category-empty').addClass('category-populated');
webmaster@1:       }
webmaster@1:     });
webmaster@1:   };
webmaster@1: 
webmaster@1:   // Add a handler so when a row is dropped, update fields dropped into new categories.
webmaster@1:   tableDrag.onDrop = function() {
webmaster@1:     dragObject = this;
webmaster@1:     if ($(dragObject.rowObject.element).prev('tr').is('.category-message')) {
webmaster@1:       var categoryRow = $(dragObject.rowObject.element).prev('tr').get(0);
webmaster@1:       var categoryNum = categoryRow.className.replace(/([^ ]+[ ]+)*category-([^ ]+)-message([ ]+[^ ]+)*/, '$2');
webmaster@1:       var categoryField = $('select.profile-category', dragObject.rowObject.element);
webmaster@1:       var weightField = $('select.profile-weight', dragObject.rowObject.element);
webmaster@1:       var oldcategoryNum = weightField[0].className.replace(/([^ ]+[ ]+)*profile-weight-([^ ]+)([ ]+[^ ]+)*/, '$2');
webmaster@1: 
webmaster@1:       if (!categoryField.is('.profile-category-'+ categoryNum)) {
webmaster@1:         categoryField.removeClass('profile-category-' + oldcategoryNum).addClass('profile-category-' + categoryNum);
webmaster@1:         weightField.removeClass('profile-weight-' + oldcategoryNum).addClass('profile-weight-' + categoryNum);
webmaster@1: 
webmaster@1:         categoryField.val(categoryField[0].options[categoryNum].value);
webmaster@1:       }
webmaster@1:     }
webmaster@1:   };
webmaster@1: };