cms/drupal/misc/form.js
changeset 541 e756a8c72c3d
equal deleted inserted replaced
540:07239de796bb 541:e756a8c72c3d
       
     1 (function ($) {
       
     2 
       
     3 /**
       
     4  * Retrieves the summary for the first element.
       
     5  */
       
     6 $.fn.drupalGetSummary = function () {
       
     7   var callback = this.data('summaryCallback');
       
     8   return (this[0] && callback) ? $.trim(callback(this[0])) : '';
       
     9 };
       
    10 
       
    11 /**
       
    12  * Sets the summary for all matched elements.
       
    13  *
       
    14  * @param callback
       
    15  *   Either a function that will be called each time the summary is
       
    16  *   retrieved or a string (which is returned each time).
       
    17  */
       
    18 $.fn.drupalSetSummary = function (callback) {
       
    19   var self = this;
       
    20 
       
    21   // To facilitate things, the callback should always be a function. If it's
       
    22   // not, we wrap it into an anonymous function which just returns the value.
       
    23   if (typeof callback != 'function') {
       
    24     var val = callback;
       
    25     callback = function () { return val; };
       
    26   }
       
    27 
       
    28   return this
       
    29     .data('summaryCallback', callback)
       
    30     // To prevent duplicate events, the handlers are first removed and then
       
    31     // (re-)added.
       
    32     .unbind('formUpdated.summary')
       
    33     .bind('formUpdated.summary', function () {
       
    34       self.trigger('summaryUpdated');
       
    35     })
       
    36     // The actual summaryUpdated handler doesn't fire when the callback is
       
    37     // changed, so we have to do this manually.
       
    38     .trigger('summaryUpdated');
       
    39 };
       
    40 
       
    41 /**
       
    42  * Sends a 'formUpdated' event each time a form element is modified.
       
    43  */
       
    44 Drupal.behaviors.formUpdated = {
       
    45   attach: function (context) {
       
    46     // These events are namespaced so that we can remove them later.
       
    47     var events = 'change.formUpdated click.formUpdated blur.formUpdated keyup.formUpdated';
       
    48     $(context)
       
    49       // Since context could be an input element itself, it's added back to
       
    50       // the jQuery object and filtered again.
       
    51       .find(':input').andSelf().filter(':input')
       
    52       // To prevent duplicate events, the handlers are first removed and then
       
    53       // (re-)added.
       
    54       .unbind(events).bind(events, function () {
       
    55         $(this).trigger('formUpdated');
       
    56       });
       
    57   }
       
    58 };
       
    59 
       
    60 /**
       
    61  * Prepopulate form fields with information from the visitor cookie.
       
    62  */
       
    63 Drupal.behaviors.fillUserInfoFromCookie = {
       
    64   attach: function (context, settings) {
       
    65     $('form.user-info-from-cookie').once('user-info-from-cookie', function () {
       
    66       var formContext = this;
       
    67       $.each(['name', 'mail', 'homepage'], function () {
       
    68         var $element = $('[name=' + this + ']', formContext);
       
    69         var cookie = $.cookie('Drupal.visitor.' + this);
       
    70         if ($element.length && cookie) {
       
    71           $element.val(cookie);
       
    72         }
       
    73       });
       
    74     });
       
    75   }
       
    76 };
       
    77 
       
    78 })(jQuery);