Club Drupal

/**

 * @file

 * Some basic behaviors and utility functions for Views UI.

 */

Drupal.viewsUi = {};

Drupal.behaviors.viewsUiEditView = {};

/**

 * Improve the user experience of the views edit interface.

 */

Drupal.behaviors.viewsUiEditView.attach = function (context, settings) {

  // Only show the SQL rewrite warning when the user has chosen the

  // corresponding checkbox.

  jQuery('#edit-query-options-disable-sql-rewrite').click(function () {

    jQuery('.sql-rewrite-warning').toggleClass('js-hide');

  });

};

Drupal.behaviors.viewsUiAddView = {};

/**

 * In the add view wizard, use the view name to prepopulate form fields such as

 * page title and menu link.

 */

Drupal.behaviors.viewsUiAddView.attach = function (context, settings) {

  var $ = jQuery;

  var exclude, replace, suffix;

  // Set up regular expressions to allow only numbers, letters, and dashes.

  exclude = new RegExp('[^a-z0-9\\-]+', 'g');

  replace = '-';

  // The page title, block title, and menu link fields can all be prepopulated

  // with the view name - no regular expression needed.

  var $fields = $(context).find('[id^="edit-page-title"], [id^="edit-block-title"], [id^="edit-page-link-properties-title"]');

  if ($fields.length) {

    if (!this.fieldsFiller) {

      this.fieldsFiller = new Drupal.viewsUi.FormFieldFiller($fields);

    }

    else {

      // After an AJAX response, this.fieldsFiller will still have event

      // handlers bound to the old version of the form fields (which don't exist

      // anymore). The event handlers need to be unbound and then rebound to the

      // new markup. Note that jQuery.live is difficult to make work in this

      // case because the IDs of the form fields change on every AJAX response.

      this.fieldsFiller.rebind($fields);

    }

  }

  // Prepopulate the path field with a URLified version of the view name.

  var $pathField = $(context).find('[id^="edit-page-path"]');

  if ($pathField.length) {

    if (!this.pathFiller) {

      this.pathFiller = new Drupal.viewsUi.FormFieldFiller($pathField, exclude, replace);

    }

    else {

      this.pathFiller.rebind($pathField);

    }

  }

  // Populate the RSS feed field with a URLified version of the view name, and

  // an .xml suffix (to make it unique).

  var $feedField = $(context).find('[id^="edit-page-feed-properties-path"]');

  if ($feedField.length) {

    if (!this.feedFiller) {

      suffix = '.xml';

      this.feedFiller = new Drupal.viewsUi.FormFieldFiller($feedField, exclude, replace, suffix);

    }

    else {

      this.feedFiller.rebind($feedField);

    }

  }

};

/**

 * Constructor for the Drupal.viewsUi.FormFieldFiller object.

 *

 * Prepopulates a form field based on the view name.

 *

 * @param $target

 *   A jQuery object representing the form field to prepopulate.

 * @param exclude

 *   Optional. A regular expression representing characters to exclude from the

 *   target field.

 * @param replace

 *   Optional. A string to use as the replacement value for disallowed

 *   characters.

 * @param suffix

 *   Optional. A suffix to append at the end of the target field content.

 */

Drupal.viewsUi.FormFieldFiller = function ($target, exclude, replace, suffix) {

  var $ = jQuery;

  this.source = $('#edit-human-name');

  this.target = $target;

  this.exclude = exclude || false;

  this.replace = replace || '';

  this.suffix = suffix || '';

  // Create bound versions of this instance's object methods to use as event

  // handlers. This will let us easily unbind those specific handlers later on.

  // NOTE: jQuery.proxy will not work for this because it assumes we want only

  // one bound version of an object method, whereas we need one version per

  // object instance.

  var self = this;

  this.populate = function () {return self._populate.call(self);};

  this.unbind = function () {return self._unbind.call(self);};

  this.bind();

  // Object constructor; no return value.

};

/**

 * Bind the form-filling behavior.

 */

Drupal.viewsUi.FormFieldFiller.prototype.bind = function () {

  this.unbind();

  // Populate the form field when the source changes.

  this.source.bind('keyup.viewsUi change.viewsUi', this.populate);

  // Quit populating the field as soon as it gets focus.

  this.target.bind('focus.viewsUi', this.unbind);

};

/**

 * Get the source form field value as altered by the passed-in parameters.

 */

Drupal.viewsUi.FormFieldFiller.prototype.getTransliterated = function () {

  var from = this.source.val();

  if (this.exclude) {

    from = from.toLowerCase().replace(this.exclude, this.replace);

  }

  return from + this.suffix;

};

/**

 * Populate the target form field with the altered source field value.

 */

Drupal.viewsUi.FormFieldFiller.prototype._populate = function () {

  var transliterated = this.getTransliterated();

  this.target.val(transliterated);

};

/**

 * Stop prepopulating the form fields.

 */

Drupal.viewsUi.FormFieldFiller.prototype._unbind = function () {

  this.source.unbind('keyup.viewsUi change.viewsUi', this.populate);

  this.target.unbind('focus.viewsUi', this.unbind);

};

/**

 * Bind event handlers to the new form fields, after they're replaced via AJAX.

 */

Drupal.viewsUi.FormFieldFiller.prototype.rebind = function ($fields) {

  this.target = $fields;

  this.bind();

}

Drupal.behaviors.addItemForm = {};

Drupal.behaviors.addItemForm.attach = function (context) {

  var $ = jQuery;

  // The add item form may have an id of views-ui-add-item-form--n.

  var $form = $(context).find('form[id^="views-ui-add-item-form"]').first();

  // Make sure we don't add more than one event handler to the same form.

  $form = $form.once('views-ui-add-item-form');

  if ($form.length) {

    new Drupal.viewsUi.addItemForm($form);

  }

}

Drupal.viewsUi.addItemForm = function($form) {

  this.$form = $form;

  this.$form.find('.views-filterable-options :checkbox').click(jQuery.proxy(this.handleCheck, this));

  // Find the wrapper of the displayed text.

  this.$selected_div = this.$form.find('.views-selected-options').parent();

  this.$selected_div.hide();

  this.checkedItems = [];

}

Drupal.viewsUi.addItemForm.prototype.handleCheck = function (event) {

  var $target = jQuery(event.target);

  var label = jQuery.trim($target.next().text());

  // Add/remove the checked item to the list.

  if ($target.is(':checked')) {

    this.$selected_div.show();

    this.checkedItems.push(label);

  }

  else {

    var length = this.checkedItems.length;

    var position = jQuery.inArray(label, this.checkedItems);

    // Delete the item from the list and take sure that the list doesn't have

    // undefined items left.

    for (var i = 0; i < this.checkedItems.length; i++) {

      if (i == position) {

        this.checkedItems.splice(i, 1);

        i--;

        break;

      }

    }

    // Hide it again if none item is selected.

    if (this.checkedItems.length == 0) {

      this.$selected_div.hide();

    }

  }

  this.refreshCheckedItems();

}

/**

 * Refresh the display of the checked items.

 */

Drupal.viewsUi.addItemForm.prototype.refreshCheckedItems = function() {

  // Perhaps we should precache the text div, too.

  this.$selected_div.find('.views-selected-options').html(Drupal.checkPlain(this.checkedItems.join(', ')));

  Drupal.viewsUi.resizeModal('', true);

}

/**

 * The input field items that add displays must be rendered as <input> elements.

 * The following behavior detaches the <input> elements from the DOM, wraps them

 * in an unordered list, then appends them to the list of tabs.

 */

Drupal.behaviors.viewsUiRenderAddViewButton = {};

Drupal.behaviors.viewsUiRenderAddViewButton.attach = function (context, settings) {

  var $ = jQuery;

  // Build the add display menu and pull the display input buttons into it.

  var $menu = $('#views-display-menu-tabs', context).once('views-ui-render-add-view-button-processed');

  if (!$menu.length) {

    return;

  }

  var $addDisplayDropdown = $('<li class="add"><a href="#"><span class="icon add"></span>' + Drupal.t('Add') + '</a><ul class="action-list" style="display:none;"></ul></li>');

  var $displayButtons = $menu.nextAll('.add-display').detach();

  $displayButtons.appendTo($addDisplayDropdown.find('.action-list')).wrap('<li>')

    .parent().first().addClass('first').end().last().addClass('last');

  // Remove the 'Add ' prefix from the button labels since they're being palced

  // in an 'Add' dropdown.

  // @todo This assumes English, but so does $addDisplayDropdown above. Add

  //   support for translation.

  $displayButtons.each(function () {

    var label = $(this).val();

    if (label.substr(0, 4) == 'Add ') {

      $(this).val(label.substr(4));

    }

  });

  $addDisplayDropdown.appendTo($menu);

  // Add the click handler for the add display button.

  $('li.add > a', $menu).bind('click', function (event) {

    event.preventDefault();

    var $trigger = $(this);

    Drupal.behaviors.viewsUiRenderAddViewButton.toggleMenu($trigger);

  });

  // Add a mouseleave handler to close the dropdown when the user mouses

  // away from the item. We use mouseleave instead of mouseout because

  // the user is going to trigger mouseout when she moves from the trigger

  // link to the sub menu items.

  //

  // We use the 'li.add' selector because the open class on this item will be

  // toggled on and off and we want the handler to take effect in the cases

  // that the class is present, but not when it isn't.

  $menu.delegate('li.add', 'mouseleave', function (event) {

    var $this = $(this);

    var $trigger = $this.children('a[href="#"]');

    if ($this.children('.action-list').is(':visible')) {

      Drupal.behaviors.viewsUiRenderAddViewButton.toggleMenu($trigger);

    }

  });

};

/**

 * @note [@jessebeach] I feel like the following should be a more generic function and

 * not written specifically for this UI, but I'm not sure where to put it.

 */

Drupal.behaviors.viewsUiRenderAddViewButton.toggleMenu = function ($trigger) {

  $trigger.parent().toggleClass('open');

  $trigger.next().slideToggle('fast');

}

Drupal.behaviors.viewsUiSearchOptions = {};

Drupal.behaviors.viewsUiSearchOptions.attach = function (context) {

  var $ = jQuery;

  // The add item form may have an id of views-ui-add-item-form--n.

  var $form = $(context).find('form[id^="views-ui-add-item-form"]').first();

  // Make sure we don't add more than one event handler to the same form.

  $form = $form.once('views-ui-filter-options');

  if ($form.length) {

    new Drupal.viewsUi.OptionsSearch($form);

  }

};

/**

 * Constructor for the viewsUi.OptionsSearch object.

 *

 * The OptionsSearch object filters the available options on a form according

 * to the user's search term. Typing in "taxonomy" will show only those options

 * containing "taxonomy" in their label.

 */

Drupal.viewsUi.OptionsSearch = function ($form) {

  this.$form = $form;

  // Add a keyup handler to the search box.

  this.$searchBox = this.$form.find('#edit-options-search');

  this.$searchBox.keyup(jQuery.proxy(this.handleKeyup, this));

  // Get a list of option labels and their corresponding divs and maintain it

  // in memory, so we have as little overhead as possible at keyup time.

  this.options = this.getOptions(this.$form.find('.filterable-option'));

  // Restripe on initial loading.

  this.handleKeyup();

  // Trap the ENTER key in the search box so that it doesn't submit the form.

  this.$searchBox.keypress(function(event) {

    if (event.which == 13) {

      event.preventDefault();

    }

  });

};

/**

 * Assemble a list of all the filterable options on the form.

 *

 * @param $allOptions

 *   A jQuery object representing the rows of filterable options to be

 *   shown and hidden depending on the user's search terms.

 */

Drupal.viewsUi.OptionsSearch.prototype.getOptions = function ($allOptions) {

  var $ = jQuery;

  var i, $label, $description, $option;

  var options = [];

  var length = $allOptions.length;

  for (i = 0; i < length; i++) {

    $option = $($allOptions[i]);

    $label = $option.find('label');

    $description = $option.find('div.description');

    options[i] = {

      // Search on the lowercase version of the label text + description.

      'searchText': $label.text().toLowerCase() + " " + $description.text().toLowerCase(),

      // Maintain a reference to the jQuery object for each row, so we don't

      // have to create a new object inside the performance-sensitive keyup

      // handler.

      '$div': $option

    }

  }

  return options;

};

/**

 * Keyup handler for the search box that hides or shows the relevant options.

 */

Drupal.viewsUi.OptionsSearch.prototype.handleKeyup = function (event) {

  var found, i, j, option, search, words, wordsLength, zebraClass, zebraCounter;

  // Determine the user's search query. The search text has been converted to

  // lowercase.

  search = (this.$searchBox.val() || '').toLowerCase();

  words = search.split(' ');

  wordsLength = words.length;

  // Start the counter for restriping rows.

  zebraCounter = 0;

  // Search through the search texts in the form for matching text.

  var length = this.options.length;

  for (i = 0; i < length; i++) {

    // Use a local variable for the option being searched, for performance.

    option = this.options[i];

    found = true;

    // Each word in the search string has to match the item in order for the

    // item to be shown.

    for (j = 0; j < wordsLength; j++) {

      if (option.searchText.indexOf(words[j]) === -1) {

        found = false;

      }

    }

    if (found) {

      // Show the checkbox row, and restripe it.

      zebraClass = (zebraCounter % 2) ? 'odd' : 'even';

      option.$div.show();

      option.$div.removeClass('even odd');

      option.$div.addClass(zebraClass);

      zebraCounter++;

    }

    else {

      // The search string wasn't found; hide this item.

      option.$div.hide();

    }

  }

};

Drupal.behaviors.viewsUiPreview = {};

Drupal.behaviors.viewsUiPreview.attach = function (context, settings) {

  var $ = jQuery;

  // Only act on the edit view form.

  var contextualFiltersBucket = $('.views-display-column .views-ui-display-tab-bucket.contextual-filters', context);

  if (contextualFiltersBucket.length == 0) {

    return;

  }

  // If the display has no contextual filters, hide the form where you enter

  // the contextual filters for the live preview. If it has contextual filters,

  // show the form.

  var contextualFilters = $('.views-display-setting a', contextualFiltersBucket);

  if (contextualFilters.length) {

    $('#preview-args').parent().show();

  }

  else {

    $('#preview-args').parent().hide();

  }

  // Executes an initial preview.

  if ($('#edit-displays-live-preview').once('edit-displays-live-preview').is(':checked')) {

    $('#preview-submit').once('edit-displays-live-preview').click();

  }

};

Drupal.behaviors.viewsUiRearrangeFilter = {};

Drupal.behaviors.viewsUiRearrangeFilter.attach = function (context, settings) {

  var $ = jQuery;

  // Only act on the rearrange filter form.

  if (typeof Drupal.tableDrag == 'undefined' || typeof Drupal.tableDrag['views-rearrange-filters'] == 'undefined') {

    return;

  }

  var table = $('#views-rearrange-filters', context).once('views-rearrange-filters');

  var operator = $('.form-item-filter-groups-operator', context).once('views-rearrange-filters');

  if (table.length) {

    new Drupal.viewsUi.rearrangeFilterHandler(table, operator);

  }

};

/**

 * Improve the UI of the rearrange filters dialog box.

 */

Drupal.viewsUi.rearrangeFilterHandler = function (table, operator) {

  var $ = jQuery;

  // Keep a reference to the <table> being altered and to the div containing

  // the filter groups operator dropdown (if it exists).

  this.table = table;

  this.operator = operator;

  this.hasGroupOperator = this.operator.length > 0;

  // Keep a reference to all draggable rows within the table.

  this.draggableRows = $('.draggable', table);

  // Keep a reference to the buttons for adding and removing filter groups.

  this.addGroupButton = $('input#views-add-group');

  this.removeGroupButtons = $('input.views-remove-group', table);

  // Add links that duplicate the functionality of the (hidden) add and remove

  // buttons.

  this.insertAddRemoveFilterGroupLinks();

  // When there is a filter groups operator dropdown on the page, create

  // duplicates of the dropdown between each pair of filter groups.

  if (this.hasGroupOperator) {

    this.dropdowns = this.duplicateGroupsOperator();

    this.syncGroupsOperators();

  }

  // Add methods to the tableDrag instance to account for operator cells (which

  // span multiple rows), the operator labels next to each filter (e.g., "And"

  // or "Or"), the filter groups, and other special aspects of this tableDrag

  // instance.

  this.modifyTableDrag();

  // Initialize the operator labels (e.g., "And" or "Or") that are displayed

  // next to the filters in each group, and bind a handler so that they change

  // based on the values of the operator dropdown within that group.

  this.redrawOperatorLabels();

  $('.views-group-title select', table)

    .once('views-rearrange-filter-handler')

    .bind('change.views-rearrange-filter-handler', $.proxy(this, 'redrawOperatorLabels'));

  // Bind handlers so that when a "Remove" link is clicked, we:

  // - Update the rowspans of cells containing an operator dropdown (since they

  //   need to change to reflect the number of rows in each group).

  // - Redraw the operator labels next to the filters in the group (since the

  //   filter that is currently displayed last in each group is not supposed to

  //   have a label display next to it).

  $('a.views-groups-remove-link', this.table)

    .once('views-rearrange-filter-handler')

    .bind('click.views-rearrange-filter-handler', $.proxy(this, 'updateRowspans'))

    .bind('click.views-rearrange-filter-handler', $.proxy(this, 'redrawOperatorLabels'));

};

/**

 * Insert links that allow filter groups to be added and removed.

 */

Drupal.viewsUi.rearrangeFilterHandler.prototype.insertAddRemoveFilterGroupLinks = function () {

  var $ = jQuery;

  // Insert a link for adding a new group at the top of the page, and make it

  // match the action links styling used in a typical page.tpl.php. Note that

  // Drupal does not provide a theme function for this markup, so this is the

  // best we can do.

  $('<ul class="action-links"><li><a id="views-add-group-link" href="#">' + this.addGroupButton.val() + '</a></li></ul>')

    .prependTo(this.table.parent())

    // When the link is clicked, dynamically click the hidden form button for

    // adding a new filter group.

    .once('views-rearrange-filter-handler')

    .bind('click.views-rearrange-filter-handler', $.proxy(this, 'clickAddGroupButton'));

  // Find each (visually hidden) button for removing a filter group and insert

  // a link next to it.

  var length = this.removeGroupButtons.length;

  for (i = 0; i < length; i++) {

    var $removeGroupButton = $(this.removeGroupButtons[i]);

    var buttonId = $removeGroupButton.attr('id');

    $('<a href="#" class="views-remove-group-link">' + Drupal.t('Remove group') + '</a>')

      .insertBefore($removeGroupButton)

      // When the link is clicked, dynamically click the corresponding form

      // button.

      .once('views-rearrange-filter-handler')

      .bind('click.views-rearrange-filter-handler', {buttonId: buttonId}, $.proxy(this, 'clickRemoveGroupButton'));

  }

};

/**

 * Dynamically click the button that adds a new filter group.

 */

Drupal.viewsUi.rearrangeFilterHandler.prototype.clickAddGroupButton = function () {

  // Due to conflicts between Drupal core's AJAX system and the Views AJAX

  // system, the only way to get this to work seems to be to trigger both the

  // .mousedown() and .submit() events.

  this.addGroupButton.mousedown();

  this.addGroupButton.submit();

  return false;

};

/**

 * Dynamically click a button for removing a filter group.

 *

 * @param event

 *   Event being triggered, with event.data.buttonId set to the ID of the

 *   form button that should be clicked.

 */

Drupal.viewsUi.rearrangeFilterHandler.prototype.clickRemoveGroupButton = function (event) {

  // For some reason, here we only need to trigger .submit(), unlike for

  // Drupal.viewsUi.rearrangeFilterHandler.prototype.clickAddGroupButton()

  // where we had to trigger .mousedown() also.

  jQuery('input#' + event.data.buttonId, this.table).submit();

  return false;

};

/**

 * Move the groups operator so that it's between the first two groups, and

 * duplicate it between any subsequent groups.

 */

Drupal.viewsUi.rearrangeFilterHandler.prototype.duplicateGroupsOperator = function () {

  var $ = jQuery;

  var dropdowns, newRow;

  var titleRows = $('tr.views-group-title'), titleRow;

  // Get rid of the explanatory text around the operator; its placement is

  // explanatory enough.

  this.operator.find('label').add('div.description').addClass('element-invisible');

  this.operator.find('select').addClass('form-select');

  // Keep a list of the operator dropdowns, so we can sync their behavior later.

  dropdowns = this.operator;

  // Move the operator to a new row just above the second group.

  titleRow = $('tr#views-group-title-2');

  newRow = $('<tr class="filter-group-operator-row"><td colspan="5"></td></tr>');

  newRow.find('td').append(this.operator);

  newRow.insertBefore(titleRow);

  var i, length = titleRows.length;

  // Starting with the third group, copy the operator to a new row above the

  // group title.

  for (i = 2; i < length; i++) {

    titleRow = $(titleRows[i]);

    // Make a copy of the operator dropdown and put it in a new table row.

    var fakeOperator = this.operator.clone();

    fakeOperator.attr('id', '');

    newRow = $('<tr class="filter-group-operator-row"><td colspan="5"></td></tr>');

    newRow.find('td').append(fakeOperator);

    newRow.insertBefore(titleRow);

    dropdowns = dropdowns.add(fakeOperator);

  }

  return dropdowns;

};

/**

 * Make the duplicated groups operators change in sync with each other.

 */

Drupal.viewsUi.rearrangeFilterHandler.prototype.syncGroupsOperators = function () {

  if (this.dropdowns.length < 2) {

    // We only have one dropdown (or none at all), so there's nothing to sync.

    return;

  }

  this.dropdowns.change(jQuery.proxy(this, 'operatorChangeHandler'));

};

/**

 * Click handler for the operators that appear between filter groups.

 *

 * Forces all operator dropdowns to have the same value.

 */

Drupal.viewsUi.rearrangeFilterHandler.prototype.operatorChangeHandler = function (event) {

  var $ = jQuery;

  var $target = $(event.target);

  var operators = this.dropdowns.find('select').not($target);

  // Change the other operators to match this new value.

  operators.val($target.val());

};

Drupal.viewsUi.rearrangeFilterHandler.prototype.modifyTableDrag = function () {

  var tableDrag = Drupal.tableDrag['views-rearrange-filters'];

  var filterHandler = this;

  /**

   * Override the row.onSwap method from tabledrag.js.

   *

   * When a row is dragged to another place in the table, several things need

   * to occur.

   * - The row needs to be moved so that it's within one of the filter groups.

   * - The operator cells that span multiple rows need their rowspan attributes

   *   updated to reflect the number of rows in each group.

   * - The operator labels that are displayed next to each filter need to be

   *   redrawn, to account for the row's new location.

   */

  tableDrag.row.prototype.onSwap = function () {

    if (filterHandler.hasGroupOperator) {

      // Make sure the row that just got moved (this.group) is inside one of

      // the filter groups (i.e. below an empty marker row or a draggable). If

      // it isn't, move it down one.

      var thisRow = jQuery(this.group);

      var previousRow = thisRow.prev('tr');

      if (previousRow.length && !previousRow.hasClass('group-message') && !previousRow.hasClass('draggable')) {

        // Move the dragged row down one.

        var next = thisRow.next();

        if (next.is('tr')) {

          this.swap('after', next);

        }

      }

      filterHandler.updateRowspans();

    }

    // Redraw the operator labels that are displayed next to each filter, to

    // account for the row's new location.

    filterHandler.redrawOperatorLabels();

  };

  /**

   * Override the onDrop method from tabledrag.js.

   */

  tableDrag.onDrop = function () {

    var $ = jQuery;

    // If the tabledrag change marker (i.e., the "*") has been inserted inside

    // a row after the operator label (i.e., "And" or "Or") rearrange the items

    // so the operator label continues to appear last.

    var changeMarker = $(this.oldRowElement).find('.tabledrag-changed');

    if (changeMarker.length) {

      // Search for occurrences of the operator label before the change marker,

      // and reverse them.

      var operatorLabel = changeMarker.prevAll('.views-operator-label');

      if (operatorLabel.length) {

        operatorLabel.insertAfter(changeMarker);

      }

    }

    // Make sure the "group" dropdown is properly updated when rows are dragged

    // into an empty filter group. This is borrowed heavily from the block.js

    // Implements tableDrag.onDrop().

    var groupRow = $(this.rowObject.element).prevAll('tr.group-message').get(0);

    var groupName = groupRow.className.replace(/([^ ]+[ ]+)*group-([^ ]+)-message([ ]+[^ ]+)*/, '$2');

    var groupField = $('select.views-group-select', this.rowObject.element);

    if ($(this.rowObject.element).prev('tr').is('.group-message') && !groupField.is('.views-group-select-' + groupName)) {

      var oldGroupName = groupField.attr('class').replace(/([^ ]+[ ]+)*views-group-select-([^ ]+)([ ]+[^ ]+)*/, '$2');

      groupField.removeClass('views-group-select-' + oldGroupName).addClass('views-group-select-' + groupName);

      groupField.val(groupName);

    }

  };

};

/**

 * Redraw the operator labels that are displayed next to each filter.

 */

Drupal.viewsUi.rearrangeFilterHandler.prototype.redrawOperatorLabels = function () {

  var $ = jQuery;

  for (i = 0; i < this.draggableRows.length; i++) {

    // Within the row, the operator labels are displayed inside the first table

    // cell (next to the filter name).

    var $draggableRow = $(this.draggableRows[i]);

    var $firstCell = $('td:first', $draggableRow);

    if ($firstCell.length) {

      // The value of the operator label ("And" or "Or") is taken from the

      // first operator dropdown we encounter, going backwards from the current

      // row. This dropdown is the one associated with the current row's filter

      // group.

      var operatorValue = $draggableRow.prevAll('.views-group-title').find('option:selected').html();

      var operatorLabel = '<span class="views-operator-label">' + operatorValue + '</span>';

      // If the next visible row after this one is a draggable filter row,

      // display the operator label next to the current row. (Checking for

      // visibility is necessary here since the "Remove" links hide the removed

      // row but don't actually remove it from the document).

      var $nextRow = $draggableRow.nextAll(':visible').eq(0);

      var $existingOperatorLabel = $firstCell.find('.views-operator-label');

      if ($nextRow.hasClass('draggable')) {

        // If an operator label was already there, replace it with the new one.

        if ($existingOperatorLabel.length) {

          $existingOperatorLabel.replaceWith(operatorLabel);

        }

        // Otherwise, append the operator label to the end of the table cell.

        else {

          $firstCell.append(operatorLabel);

        }

      }

      // If the next row doesn't contain a filter, then this is the last row

      // in the group. We don't want to display the operator there (since

      // operators should only display between two related filters, e.g.

      // "filter1 AND filter2 AND filter3"). So we remove any existing label

      // that this row has.

      else {

        $existingOperatorLabel.remove();

      }

    }

  }

};

/**

 * Update the rowspan attribute of each cell containing an operator dropdown.

 */

Drupal.viewsUi.rearrangeFilterHandler.prototype.updateRowspans = function () {

  var $ = jQuery;

  var i, $row, $currentEmptyRow, draggableCount, $operatorCell;

  var rows = $(this.table).find('tr');

  var length = rows.length;

  for (i = 0; i < length; i++) {

    $row = $(rows[i]);

    if ($row.hasClass('views-group-title')) {

      // This row is a title row.

      // Keep a reference to the cell containing the dropdown operator.

      $operatorCell = $($row.find('td.group-operator'));

      // Assume this filter group is empty, until we find otherwise.

      draggableCount = 0;

      $currentEmptyRow = $row.next('tr');

      $currentEmptyRow.removeClass('group-populated').addClass('group-empty');

      // The cell with the dropdown operator should span the title row and

      // the "this group is empty" row.

      $operatorCell.attr('rowspan', 2);

    }

    else if (($row).hasClass('draggable') && $row.is(':visible')) {

      // We've found a visible filter row, so we now know the group isn't empty.

      draggableCount++;

      $currentEmptyRow.removeClass('group-empty').addClass('group-populated');

      // The operator cell should span all draggable rows, plus the title.

      $operatorCell.attr('rowspan', draggableCount + 1);

    }

  }

};

Drupal.behaviors.viewsFilterConfigSelectAll = {};

/**

 * Add a select all checkbox, which checks each checkbox at once.

 */

Drupal.behaviors.viewsFilterConfigSelectAll.attach = function(context) {

  var $ = jQuery;

  // Show the select all checkbox.

  $('#views-ui-config-item-form div.form-item-options-value-all', context).once(function() {

    $(this).show();

  })

    .find('input[type=checkbox]')

    .click(function() {

      var checked = $(this).is(':checked');

      // Update all checkbox beside the select all checkbox.

      $(this).parents('.form-checkboxes').find('input[type=checkbox]').each(function() {

        $(this).attr('checked', checked);

      });

    });

  // Uncheck the select all checkbox if any of the others are unchecked.

  $('#views-ui-config-item-form div.form-type-checkbox').not($('.form-item-options-value-all')).find('input[type=checkbox]').each(function() {

    $(this).click(function() {

      if ($(this).is('checked') == 0) {

        $('#edit-options-value-all').removeAttr('checked');

      }

    });

  });

};

/**

 * Ensure the desired default button is used when a form is implicitly submitted via an ENTER press on textfields, radios, and checkboxes.

 *

 * @see http://www.w3.org/TR/html5/association-of-controls-and-forms.html#implicit-submission

 */

Drupal.behaviors.viewsImplicitFormSubmission = {};

Drupal.behaviors.viewsImplicitFormSubmission.attach = function (context, settings) {

  var $ = jQuery;

  $(':text, :password, :radio, :checkbox', context).once('viewsImplicitFormSubmission', function() {

    $(this).keypress(function(event) {

      if (event.which == 13) {

        var formId = this.form.id;

        if (formId && settings.viewsImplicitFormSubmission && settings.viewsImplicitFormSubmission[formId] && settings.viewsImplicitFormSubmission[formId].defaultButton) {

          event.preventDefault();

          var buttonId = settings.viewsImplicitFormSubmission[formId].defaultButton;

          var $button = $('#' + buttonId, this.form);

          if ($button.length == 1 && $button.is(':enabled')) {

            if (Drupal.ajax && Drupal.ajax[buttonId]) {

              $button.trigger(Drupal.ajax[buttonId].element_settings.event);

            }

            else {

              $button.click();

            }

          }

        }

      }

    });

  });

};

/**

 * Remove icon class from elements that are themed as buttons or dropbuttons.

 */

Drupal.behaviors.viewsRemoveIconClass = {};

Drupal.behaviors.viewsRemoveIconClass.attach = function (context, settings) {

  jQuery('.ctools-button', context).once('RemoveIconClass', function () {

    var $ = jQuery;

    var $this = $(this);

    $('.icon', $this).removeClass('icon');

    $('.horizontal', $this).removeClass('horizontal');

  });

};

/**

 * Change "Expose filter" buttons into checkboxes.

 */

Drupal.behaviors.viewsUiCheckboxify = {};

Drupal.behaviors.viewsUiCheckboxify.attach = function (context, settings) {

  var $ = jQuery;

  var $buttons = $('#edit-options-expose-button-button, #edit-options-group-button-button').once('views-ui-checkboxify');

  var length = $buttons.length;

  var i;

  for (i = 0; i < length; i++) {

    new Drupal.viewsUi.Checkboxifier($buttons[i]);

  }

};

/**

 * Change the default widget to select the default group according to the

 * selected widget for the exposed group.

 */

Drupal.behaviors.viewsUiChangeDefaultWidget = {};

Drupal.behaviors.viewsUiChangeDefaultWidget.attach = function (context, settings) {

  var $ = jQuery;

  function change_default_widget(multiple) {

    if (multiple) {

      $('input.default-radios').hide();

      $('td.any-default-radios-row').parent().hide();

      $('input.default-checkboxes').show();

    }

    else {

      $('input.default-checkboxes').hide();

      $('td.any-default-radios-row').parent().show();

      $('input.default-radios').show();

    }

  }

  // Update on widget change.

  $('input[name="options[group_info][multiple]"]').change(function() {

    change_default_widget($(this).attr("checked"));

  });

  // Update the first time the form is rendered.

  $('input[name="options[group_info][multiple]"]').trigger('change');

};

/**

 * Attaches an expose filter button to a checkbox that triggers its click event.

 *

 * @param button

 *   The DOM object representing the button to be checkboxified.

 */

Drupal.viewsUi.Checkboxifier = function (button) {

  var $ = jQuery;

  this.$button = $(button);

  this.$parent = this.$button.parent('div.views-expose, div.views-grouped');

  this.$input = this.$parent.find('input:checkbox, input:radio');

  // Hide the button and its description.

  this.$button.hide();

  this.$parent.find('.exposed-description, .grouped-description').hide();

  this.$input.click($.proxy(this, 'clickHandler'));

};

/**

 * When the checkbox is checked or unchecked, simulate a button press.

 */

Drupal.viewsUi.Checkboxifier.prototype.clickHandler = function (e) {

  this.$button.mousedown();

  this.$button.submit();

};

/**

 * Change the Apply button text based upon the override select state.

 */

Drupal.behaviors.viewsUiOverrideSelect = {};

Drupal.behaviors.viewsUiOverrideSelect.attach = function (context, settings) {

  var $ = jQuery;

  $('#edit-override-dropdown', context).once('views-ui-override-button-text', function() {

    // Closures! :(

    var $submit = $('#edit-submit', context);

    var old_value = $submit.val();

    $submit.once('views-ui-override-button-text')

      .bind('mouseup', function() {

        $(this).val(old_value);

        return true;

      });

    $(this).bind('change', function() {

      if ($(this).val() == 'default') {

        $submit.val(Drupal.t('Apply (all displays)'));

      }

      else if ($(this).val() == 'default_revert') {

        $submit.val(Drupal.t('Revert to default'));

      }

      else {

        $submit.val(Drupal.t('Apply (this display)'));

      }

    })

      .trigger('change');

  });

};

Drupal.viewsUi.resizeModal = function (e, no_shrink) {

  var $ = jQuery;

  var $modal = $('.views-ui-dialog');

  var $scroll = $('.scroll', $modal);

  if ($modal.length == 0 || $modal.css('display') == 'none') {

    return;

  }

  var maxWidth = parseInt($(window).width() * .85);

  // 70% of window.

  var minWidth = parseInt($(window).width() * .6);

  // 70% of window.

  // Set the modal to the minwidth so that our width calculation of

  // children works.

  $modal.css('width', minWidth);

  var width = minWidth;

  // Don't let the window get more than 80% of the display high.

  var maxHeight = parseInt($(window).height() * .8);

  var minHeight = 200;

  if (no_shrink) {

    minHeight = $modal.height();

  }

  if (minHeight > maxHeight) {

    minHeight = maxHeight;

  }

  var height = 0;

  // Calculate the height of the 'scroll' region.

  var scrollHeight = 0;

  scrollHeight += parseInt($scroll.css('padding-top'));

  scrollHeight += parseInt($scroll.css('padding-bottom'));

  $scroll.children().each(function() {

    var w = $(this).innerWidth();

    if (w > width) {

      width = w;

    }

    scrollHeight += $(this).outerHeight(true);

  });

  // Now, calculate what the difference between the scroll and the modal

  // will be.

  var difference = 0;

  difference += parseInt($scroll.css('padding-top'));

  difference += parseInt($scroll.css('padding-bottom'));

  difference += $('.views-override').outerHeight(true) || 0;

  difference += $('.views-messages').outerHeight(true) || 0;

  difference += $('#views-ajax-title').outerHeight(true) || 0;

  difference += $('.views-add-form-selected').outerHeight(true) || 0;

  difference += $('.form-buttons', $modal).outerHeight(true) || 0;

  height = scrollHeight + difference;

  if (height > maxHeight) {

    height = maxHeight;

    scrollHeight = maxHeight - difference;

  }

  else if (height < minHeight) {

    height = minHeight;

    scrollHeight = minHeight - difference;

  }

  if (width > maxWidth) {

    width = maxWidth;

  }

  // Get where we should move content to.

  var top = ($(window).height() / 2) - (height / 2);

  var left = ($(window).width() / 2) - (width / 2);

  $modal.css({

    'top': top + 'px',

    'left': left + 'px',

    'width': width + 'px',

    'height': height + 'px'

  });

  // Ensure inner popup height matches.

  $(Drupal.settings.views.ajax.popup).css('height', height + 'px');

  $scroll.css({

    'height': scrollHeight + 'px',

    'max-height': scrollHeight + 'px'

  });

};

jQuery(function() {

  jQuery(window).bind('resize', Drupal.viewsUi.resizeModal);

  jQuery(window).bind('scroll', Drupal.viewsUi.resizeModal);

});