/**
 * @file ajaxView.js
 *
 * Handles AJAX fetching of views, including filter submission and response.
 */
(function ($) {

/**
 * Attaches the AJAX behavior to Views exposed filter forms and key View links.
 */
Drupal.behaviors.ViewsAjaxView = {};
Drupal.behaviors.ViewsAjaxView.attach = function() {
  if (Drupal.settings && Drupal.settings.views && Drupal.settings.views.ajaxViews) {
    $.each(Drupal.settings.views.ajaxViews, function(i, settings) {
      // @todo: Figure out where to store the object.
      new Drupal.views.ajaxView(settings);
    });
  }
};

Drupal.views = {};

/**
 * Javascript object for a certain view.
 */
Drupal.views.ajaxView = function(settings) {
  var selector = '.view-dom-id-' + settings.view_dom_id;
  this.$view = $(selector);

  // Retrieve the path to use for views' ajax.
  var ajax_path = Drupal.settings.views.ajax_path;

  // If there are multiple views this might've ended up showing up multiple times.
  if (ajax_path.constructor.toString().indexOf("Array") != -1) {
    ajax_path = ajax_path[0];
  }

  this.element_settings = {
    url: ajax_path,
    submit: settings,
    setClick: true,
    event: 'click',
    selector: selector,
    progress: { type: 'throbber' }
  };

  this.settings = settings;

  // Add the ajax to exposed forms.
  this.$exposed_form = $('form#views-exposed-form-'+ settings.view_name.replace(/_/g, '-') + '-' + settings.view_display_id.replace(/_/g, '-'));
  this.$exposed_form.once(jQuery.proxy(this.attachExposedFormAjax, this));

  // Add the ajax to pagers.
  this.$view
    // Don't attach to nested views. Doing so would attach multiple behaviors
    // to a given element.
    .filter(jQuery.proxy(this.filterNestedViews, this))
    .once(jQuery.proxy(this.attachPagerAjax, this));
};

Drupal.views.ajaxView.prototype.attachExposedFormAjax = function() {
  var button = $('input[type=submit], input[type=image]', this.$exposed_form);
  button = button[0];

  this.exposedFormAjax = new Drupal.ajax($(button).attr('id'), button, this.element_settings);
};

Drupal.views.ajaxView.prototype.filterNestedViews= function() {
  // If there is at least one parent with a view class, this view
  // is nested (e.g., an attachment). Bail.
  return !this.$view.parents('.view').size();
};

/**
 * Attach the ajax behavior to each link.
 */
Drupal.views.ajaxView.prototype.attachPagerAjax = function() {
  this.$view.find('ul.pager > li > a, th.views-field a, .attachment .views-summary a')
  .each(jQuery.proxy(this.attachPagerLinkAjax, this));
};

/**
 * Attach the ajax behavior to a singe link.
 */
Drupal.views.ajaxView.prototype.attachPagerLinkAjax = function(id, link) {
  var $link = $(link);
  var viewData = {};
  var href = $link.attr('href');
  // Construct an object using the settings defaults and then overriding
  // with data specific to the link.
  $.extend(
    viewData,
    this.settings,
    Drupal.Views.parseQueryString(href),
    // Extract argument data from the URL.
    Drupal.Views.parseViewArgs(href, this.settings.view_base_path)
  );

  // For anchor tags, these will go to the target of the anchor rather
  // than the usual location.
  $.extend(viewData, Drupal.Views.parseViewArgs(href, this.settings.view_base_path));

  this.element_settings.submit = viewData;
  this.pagerAjax = new Drupal.ajax(false, $link, this.element_settings);
};

})(jQuery);
;
//
// Note: This file depends on the jQuery library.
//

// Module pattern:
// http://yuiblog.com/blog/2007/06/12/module-pattern/
var FORMALIZE = (function($, window, document, undefined) {
	// Private constants.
	var PLACEHOLDER_SUPPORTED = 'placeholder' in document.createElement('input');
	var AUTOFOCUS_SUPPORTED = 'autofocus' in document.createElement('input');
	var WEBKIT = 'webkitAppearance' in document.createElement('select').style;
	var IE6 = !!($.browser.msie && parseInt($.browser.version, 10) === 6);
	var IE7 = !!($.browser.msie && parseInt($.browser.version, 10) === 7);

	// Expose innards of FORMALIZE.
	return {
		// FORMALIZE.go
		go: function() {
			for (var i in FORMALIZE.init) {
				FORMALIZE.init[i]();
			}
		},
		// FORMALIZE.init
		init: {
			// FORMALIZE.init.detect_webkit
			detect_webkit: function() {
				if (!WEBKIT) {
					return;
				}

				// Tweaks for Safari + Chrome.
				$('html').addClass('is_webkit');
			},
			// FORMALIZE.init.full_input_size
			full_input_size: function() {
				if (!IE7 || !$('textarea, input.input_full').length) {
					return;
				}

				// This fixes width: 100% on <textarea> and class="input_full".
				// It ensures that form elements don't go wider than container.
				$('textarea, input.input_full').wrap('<span class="input_full_wrap"></span>');
			},
			// FORMALIZE.init.ie6_skin_inputs
			ie6_skin_inputs: function() {
				// Test for Internet Explorer 6.
				if (!IE6 || !$('input, select, textarea').length) {
					// Exit if the browser is not IE6,
					// or if no form elements exist.
					return;
				}

				// For <input type="submit" />, etc.
				var button_regex = /button|submit|reset/;

				// For <input type="text" />, etc.
				var type_regex = /date|datetime|datetime-local|email|month|number|password|range|search|tel|text|time|url|week/;

				$('input').each(function() {
					var el = $(this);

					// Is it a button?
					if (this.getAttribute('type').match(button_regex)) {
						el.addClass('ie6_button');

						/* Is it disabled? */
						if (this.disabled) {
							el.addClass('ie6_button_disabled');
						}
					}
					// Or is it a textual input?
					else if (this.getAttribute('type').match(type_regex)) {
						el.addClass('ie6_input');

						/* Is it disabled? */
						if (this.disabled) {
							el.addClass('ie6_input_disabled');
						}
					}
				});

				$('textarea, select').each(function() {
					/* Is it disabled? */
					if (this.disabled) {
						$(this).addClass('ie6_input_disabled');
					}
				});
			},
			// FORMALIZE.init.autofocus
			autofocus: function() {
				if (AUTOFOCUS_SUPPORTED || !$(':input[autofocus]').length) {
					return;
				}

				$(':input[autofocus]:visible:first').focus();
			},
			// FORMALIZE.init.placeholder
			placeholder: function() {
				if (PLACEHOLDER_SUPPORTED || !$(':input[placeholder]').length) {
					// Exit if placeholder is supported natively,
					// or if page does not have any placeholder.
					return;
				}

				FORMALIZE.misc.add_placeholder();

				$(':input[placeholder]').each(function() {
					var el = $(this);
					var text = el.attr('placeholder');

					el.focus(function() {
						if (el.val() === text) {
							el.val('').removeClass('placeholder_text');
						}
					}).blur(function() {
						FORMALIZE.misc.add_placeholder();
					});

					// Prevent <form> from accidentally
					// submitting the placeholder text.
					el.closest('form').submit(function() {
						if (el.val() === text) {
							el.val('').removeClass('placeholder_text');
						}
					}).bind('reset', function() {
						setTimeout(FORMALIZE.misc.add_placeholder, 50);
					});
				});
			}
		},
		// FORMALIZE.misc
		misc: {
			// FORMALIZE.misc.add_placeholder
			add_placeholder: function() {
				if (PLACEHOLDER_SUPPORTED || !$(':input[placeholder]').length) {
					// Exit if placeholder is supported natively,
					// or if page does not have any placeholder.
					return;
				}

				$(':input[placeholder]').each(function() {
					var el = $(this);
					var text = el.attr('placeholder');

					if (!el.val() || el.val() === text) {
						el.val(text).addClass('placeholder_text');
					}
				});
			}
		}
	};
// Alias jQuery, window, document.
})(jQuery, this, this.document);

// Automatically calls all functions in FORMALIZE.init
jQuery(document).ready(function() {
	FORMALIZE.go();
});;