/**
 * @file base.js
 *
 * Some basic behaviors and utility functions for Views.
 */
(function ($) {

Drupal.Views = {};

/**
 * jQuery UI tabs, Views integration component
 */
Drupal.behaviors.viewsTabs = {
  attach: function (context) {
    if ($.viewsUi && $.viewsUi.tabs) {
      $('#views-tabset').once('views-processed').viewsTabs({
        selectedClass: 'active'
      });
    }

    $('a.views-remove-link').once('views-processed').click(function(event) {
      var id = $(this).attr('id').replace('views-remove-link-', '');
      $('#views-row-' + id).hide();
      $('#views-removed-' + id).attr('checked', true);
      event.preventDefault();
   });
  /**
    * Here is to handle display deletion 
    * (checking in the hidden checkbox and hiding out the row) 
    */
  $('a.display-remove-link')
    .addClass('display-processed')
    .click(function() {
      var id = $(this).attr('id').replace('display-remove-link-', '');
      $('#display-row-' + id).hide();
      $('#display-removed-' + id).attr('checked', true);
      return false;
  });
  }
};

/**
 * Helper function to parse a querystring.
 */
Drupal.Views.parseQueryString = function (query) {
  var args = {};
  var pos = query.indexOf('?');
  if (pos != -1) {
    query = query.substring(pos + 1);
  }
  var pairs = query.split('&');
  for(var i in pairs) {
    if (typeof(pairs[i]) == 'string') {
      var pair = pairs[i].split('=');
      // Ignore the 'q' path argument, if present.
      if (pair[0] != 'q' && pair[1]) {
        args[decodeURIComponent(pair[0].replace(/\+/g, ' '))] = decodeURIComponent(pair[1].replace(/\+/g, ' '));
      }
    }
  }
  return args;
};

/**
 * Helper function to return a view's arguments based on a path.
 */
Drupal.Views.parseViewArgs = function (href, viewPath) {
  var returnObj = {};
  var path = Drupal.Views.getPath(href);
  // Ensure we have a correct path.
  if (viewPath && path.substring(0, viewPath.length + 1) == viewPath + '/') {
    var args = decodeURIComponent(path.substring(viewPath.length + 1, path.length));
    returnObj.view_args = args;
    returnObj.view_path = path;
  }
  return returnObj;
};

/**
 * Strip off the protocol plus domain from an href.
 */
Drupal.Views.pathPortion = function (href) {
  // Remove e.g. http://example.com if present.
  var protocol = window.location.protocol;
  if (href.substring(0, protocol.length) == protocol) {
    // 2 is the length of the '//' that normally follows the protocol
    href = href.substring(href.indexOf('/', protocol.length + 2));
  }
  return href;
};

/**
 * Return the Drupal path portion of an href.
 */
Drupal.Views.getPath = function (href) {
  href = Drupal.Views.pathPortion(href);
  href = href.substring(Drupal.settings.basePath.length, href.length);
  // 3 is the length of the '?q=' added to the url without clean urls.
  if (href.substring(0, 3) == '?q=') {
    href = href.substring(3, href.length);
  }
  var chars = ['#', '?', '&'];
  for (i in chars) {
    if (href.indexOf(chars[i]) > -1) {
      href = href.substr(0, href.indexOf(chars[i]));
    }
  }
  return href;
};

})(jQuery);
;
(function ($) {

/**
 * A progressbar object. Initialized with the given id. Must be inserted into
 * the DOM afterwards through progressBar.element.
 *
 * method is the function which will perform the HTTP request to get the
 * progress bar state. Either "GET" or "POST".
 *
 * e.g. pb = new progressBar('myProgressBar');
 *      some_element.appendChild(pb.element);
 */
Drupal.progressBar = function (id, updateCallback, method, errorCallback) {
  var pb = this;
  this.id = id;
  this.method = method || 'GET';
  this.updateCallback = updateCallback;
  this.errorCallback = errorCallback;

  // The WAI-ARIA setting aria-live="polite" will announce changes after users
  // have completed their current activity and not interrupt the screen reader.
  this.element = $('<div class="progress" aria-live="polite"></div>').attr('id', id);
  this.element.html('<div class="bar"><div class="filled"></div></div>' +
                    '<div class="percentage"></div>' +
                    '<div class="message">&nbsp;</div>');
};

/**
 * Set the percentage and status message for the progressbar.
 */
Drupal.progressBar.prototype.setProgress = function (percentage, message) {
  if (percentage >= 0 && percentage <= 100) {
    $('div.filled', this.element).css('width', percentage + '%');
    $('div.percentage', this.element).html(percentage + '%');
  }
  $('div.message', this.element).html(message);
  if (this.updateCallback) {
    this.updateCallback(percentage, message, this);
  }
};

/**
 * Start monitoring progress via Ajax.
 */
Drupal.progressBar.prototype.startMonitoring = function (uri, delay) {
  this.delay = delay;
  this.uri = uri;
  this.sendPing();
};

/**
 * Stop monitoring progress via Ajax.
 */
Drupal.progressBar.prototype.stopMonitoring = function () {
  clearTimeout(this.timer);
  // This allows monitoring to be stopped from within the callback.
  this.uri = null;
};

/**
 * Request progress data from server.
 */
Drupal.progressBar.prototype.sendPing = function () {
  if (this.timer) {
    clearTimeout(this.timer);
  }
  if (this.uri) {
    var pb = this;
    // When doing a post request, you need non-null data. Otherwise a
    // HTTP 411 or HTTP 406 (with Apache mod_security) error may result.
    $.ajax({
      type: this.method,
      url: this.uri,
      data: '',
      dataType: 'json',
      success: function (progress) {
        // Display errors.
        if (progress.status == 0) {
          pb.displayError(progress.data);
          return;
        }
        // Update display.
        pb.setProgress(progress.percentage, progress.message);
        // Schedule next timer.
        pb.timer = setTimeout(function () { pb.sendPing(); }, pb.delay);
      },
      error: function (xmlhttp) {
        pb.displayError(Drupal.ajaxError(xmlhttp, pb.uri));
      }
    });
  }
};

/**
 * Display errors on the page.
 */
Drupal.progressBar.prototype.displayError = function (string) {
  var error = $('<div class="messages error"></div>').html(string);
  $(this.element).before(error).hide();

  if (this.errorCallback) {
    this.errorCallback(this);
  }
};

})(jQuery);
;
/**
 * @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);
;