drupal/misc/form.js

// $Id: form.js,v 1.11 2009/08/31 05:51:07 dries Exp $
(function ($) {

/**
 * Retrieves the summary for the first element.
 */
$.fn.getSummary = function () {
  var callback = this.data('summaryCallback');
  return (this[0] && callback) ? $.trim(callback(this[0])) : '';
};

/**
 * Sets the summary for all matched elements.
 *
 * @param callback
 *   Either a function that will be called each time the summary is
 *   retrieved or a string (which is returned each time).
 */
$.fn.setSummary = function (callback) {
  var self = this;

  // To facilitate things, the callback should always be a function. If it's
  // not, we wrap it into an anonymous function which just returns the value.
  if (typeof callback != 'function') {
    var val = callback;
    callback = function () { return val; };
  }

  return this
    .data('summaryCallback', callback)
    // To prevent duplicate events, the handlers are first removed and then
    // (re-)added.
    .unbind('formUpdated.summary')
    .bind('formUpdated.summary', function () {
      self.trigger('summaryUpdated');
    })
    // The actual summaryUpdated handler doesn't fire when the callback is
    // changed, so we have to do this manually.
    .trigger('summaryUpdated');
};

/**
 * Sends a 'formUpdated' event each time a form element is modified.
 */
Drupal.behaviors.formUpdated = {
  attach: function (context) {
    // These events are namespaced so that we can remove them later.
    var events = 'change.formUpdated click.formUpdated blur.formUpdated keyup.formUpdated';
    $(context)
      // Since context could be an input element itself, it's added back to
      // the jQuery object and filtered again.
      .find(':input').andSelf().filter(':input')
      // To prevent duplicate events, the handlers are first removed and then
      // (re-)added.
      .unbind(events).bind(events, function () {
        $(this).trigger('formUpdated');
      });
  }
};

Drupal.behaviors.multiselectSelector = {
  attach: function (context, settings) {
    // Automatically selects the right radio button in a multiselect control.
    $('.multiselect select', context).once('multiselect').change(function () {
        $('.multiselect input:radio[value="' + this.id.substr(5) + '"]')
          .attr('checked', true);
    });
  }
};

/**
 * Automatically display the guidelines of the selected text format.
 */
Drupal.behaviors.filterGuidelines = {
  attach: function (context) {
    $('.filter-guidelines', context).once('filter-guidelines')
      .find('label').hide()
      .parents('.filter-wrapper').find('select.filter-list')
      .bind('change', function () {
        $(this).parents('.filter-wrapper')
          .find('.filter-guidelines-item').hide()
          .siblings('#filter-guidelines-' + this.value).show();
      })
      .change();
  }
};

/**
 * Prepopulate form fields with information from the visitor cookie.
 */
Drupal.behaviors.fillUserInfoFromCookie = {
  attach: function (context, settings) {
    $('form.user-info-from-cookie').once('user-info-from-cookie', function () {
      var formContext = this;
      $.each(['name', 'mail', 'homepage'], function () {
        var $element = $('[name=' + this + ']', formContext);
        var cookie = $.cookie('Drupal.visitor.' + this);
        if ($element.length && cookie) {
          $element.val(cookie);
        }
      });
    });
  }
};

})(jQuery);
1	// $Id: form.js,v 1.11 2009/08/31 05:51:07 dries Exp $
2	(function ($) {
3
4	/**
5	* Retrieves the summary for the first element.
6	*/
7	$.fn.getSummary = function () {
8	var callback = this.data('summaryCallback');
9	return (this[0] && callback) ? $.trim(callback(this[0])) : '';
10	};
11
12	/**
13	* Sets the summary for all matched elements.
14	*
15	* @param callback
16	* Either a function that will be called each time the summary is
17	* retrieved or a string (which is returned each time).
18	*/
19	$.fn.setSummary = function (callback) {
20	var self = this;
21
22	// To facilitate things, the callback should always be a function. If it's
23	// not, we wrap it into an anonymous function which just returns the value.
24	if (typeof callback != 'function') {
25	var val = callback;
26	callback = function () { return val; };
27	}
28
29	return this
30	.data('summaryCallback', callback)
31	// To prevent duplicate events, the handlers are first removed and then
32	// (re-)added.
33	.unbind('formUpdated.summary')
34	.bind('formUpdated.summary', function () {
35	self.trigger('summaryUpdated');
36	})
37	// The actual summaryUpdated handler doesn't fire when the callback is
38	// changed, so we have to do this manually.
39	.trigger('summaryUpdated');
40	};
41
42	/**
43	* Sends a 'formUpdated' event each time a form element is modified.
44	*/
45	Drupal.behaviors.formUpdated = {
46	attach: function (context) {
47	// These events are namespaced so that we can remove them later.
48	var events = 'change.formUpdated click.formUpdated blur.formUpdated keyup.formUpdated';
49	$(context)
50	// Since context could be an input element itself, it's added back to
51	// the jQuery object and filtered again.
52	.find(':input').andSelf().filter(':input')
53	// To prevent duplicate events, the handlers are first removed and then
54	// (re-)added.
55	.unbind(events).bind(events, function () {
56	$(this).trigger('formUpdated');
57	});
58	}
59	};
60
61	Drupal.behaviors.multiselectSelector = {
62	attach: function (context, settings) {
63	// Automatically selects the right radio button in a multiselect control.
64	$('.multiselect select', context).once('multiselect').change(function () {
65	$('.multiselect input:radio[value="' + this.id.substr(5) + '"]')
66	.attr('checked', true);
67	});
68	}
69	};
70
71	/**
72	* Automatically display the guidelines of the selected text format.
73	*/
74	Drupal.behaviors.filterGuidelines = {
75	attach: function (context) {
76	$('.filter-guidelines', context).once('filter-guidelines')
77	.find('label').hide()
78	.parents('.filter-wrapper').find('select.filter-list')
79	.bind('change', function () {
80	$(this).parents('.filter-wrapper')
81	.find('.filter-guidelines-item').hide()
82	.siblings('#filter-guidelines-' + this.value).show();
83	})
84	.change();
85	}
86	};
87
88	/**
89	* Prepopulate form fields with information from the visitor cookie.
90	*/
91	Drupal.behaviors.fillUserInfoFromCookie = {
92	attach: function (context, settings) {
93	$('form.user-info-from-cookie').once('user-info-from-cookie', function () {
94	var formContext = this;
95	$.each(['name', 'mail', 'homepage'], function () {
96	var $element = $('[name=' + this + ']', formContext);
97	var cookie = $.cookie('Drupal.visitor.' + this);
98	if ($element.length && cookie) {
99	$element.val(cookie);
100	}
101	});
102	});
103	}
104	};
105
106	})(jQuery);