2022-07-07 14:41:31 +02:00

220 lines
7.4 KiB
JavaScript

/**
* @file
* Facets views AJAX handling.
*/
(function ($, Drupal) {
'use strict';
/**
* Keep the original beforeSend method to use it later.
*/
var beforeSend = Drupal.Ajax.prototype.beforeSend;
/**
* Trigger views AJAX refresh on click.
*/
Drupal.behaviors.facetsViewsAjax = {
attach: function (context, settings) {
// Loop through all facets.
$.each(settings.facets_views_ajax, function (facetId, facetSettings) {
// Get the View for the current facet.
var view, current_dom_id, view_path;
if (settings.views && settings.views.ajaxViews) {
$.each(settings.views.ajaxViews, function (domId, viewSettings) {
// Check if we have facet for this view.
if (facetSettings.view_id == viewSettings.view_name && facetSettings.current_display_id == viewSettings.view_display_id) {
view = $('.js-view-dom-id-' + viewSettings.view_dom_id);
current_dom_id = viewSettings.view_dom_id;
view_path = facetSettings.ajax_path;
}
});
}
if (!view || view.length != 1) {
return;
}
// Update view on summary block click.
if (updateFacetsSummaryBlock() && (facetId === 'facets_summary_ajax')) {
$('[data-drupal-facets-summary-id=' + facetSettings.facets_summary_id + ']').children('ul').children('li').once().click(function (e) {
e.preventDefault();
var facetLink = $(this).find('a');
updateFacetsView(facetLink.attr('href'), current_dom_id, view_path);
});
}
// Update view on facet item click.
else {
$('[data-drupal-facet-id=' + facetId + ']').each(function (index, facet_item) {
if ($(facet_item).hasClass('js-facets-widget')) {
$(facet_item).unbind('facets_filter.facets');
$(facet_item).on('facets_filter.facets', function (event, url) {
$('.js-facets-widget').trigger('facets_filtering');
updateFacetsView(url, current_dom_id, view_path);
});
}
});
}
});
}
};
// Helper function to update views output & Ajax facets.
var updateFacetsView = function (href, current_dom_id, view_path) {
// Refresh view.
var views_parameters = Drupal.Views.parseQueryString(href);
var views_arguments = Drupal.Views.parseViewArgs(href, 'search');
var views_settings = $.extend(
{},
Drupal.views.instances['views_dom_id:' + current_dom_id].settings,
views_arguments,
views_parameters
);
// Update View.
var views_ajax_settings = Drupal.views.instances['views_dom_id:' + current_dom_id].element_settings;
views_ajax_settings.submit = views_settings;
views_ajax_settings.url = view_path + '?q=' + href;
Drupal.ajax(views_ajax_settings).execute();
// Update url.
window.historyInitiated = true;
window.history.pushState(null, document.title, href);
// ToDo: Update views+facets with ajax on history back.
// For now we will reload the full page.
window.addEventListener("popstate", function (e) {
if (window.historyInitiated) {
window.location.reload();
}
});
// Refresh facets blocks.
updateFacetsBlocks(href);
}
// Helper function, updates facet blocks.
var updateFacetsBlocks = function (href) {
var settings = drupalSettings;
var facets_blocks = facetsBlocks();
// Remove All Range Input Form Facet Blocks from being updated.
if(settings.facets && settings.facets.rangeInput) {
$.each(settings.facets.rangeInput, function (index, value) {
delete facets_blocks[value.facetId];
});
}
// Update facet blocks.
var facet_settings = {
url: Drupal.url('facets-block-ajax'),
submit: {
facet_link: href,
facets_blocks: facets_blocks
}
};
// Update facets summary block.
if (updateFacetsSummaryBlock()) {
var facet_summary_wrapper_id = $('[data-drupal-facets-summary-id=' + settings.facets_views_ajax.facets_summary_ajax.facets_summary_id + ']').attr('id');
var facet_summary_block_id = '';
if (facet_summary_wrapper_id.indexOf('--') !== -1) {
facet_summary_block_id = facet_summary_wrapper_id.substring(0, facet_summary_wrapper_id.indexOf('--')).replace('block-', '');
}
else {
facet_summary_block_id = facet_summary_wrapper_id.replace('block-', '');
}
facet_settings.submit.update_summary_block = true;
facet_settings.submit.facet_summary_block_id = facet_summary_block_id;
facet_settings.submit.facet_summary_wrapper_id = settings.facets_views_ajax.facets_summary_ajax.facets_summary_id;
}
Drupal.ajax(facet_settings).execute();
};
// Helper function to determine if we should update the summary block.
// Returns true or false.
var updateFacetsSummaryBlock = function () {
var settings = drupalSettings;
var update_summary = false;
if (settings.facets_views_ajax.facets_summary_ajax) {
update_summary = true;
}
return update_summary;
};
// Helper function, return facet blocks.
var facetsBlocks = function () {
// Get all ajax facets blocks from the current page.
var facets_blocks = {};
$('.block-facets-ajax').each(function (index) {
var block_id_start = 'js-facet-block-id-';
var block_id = $.map($(this).attr('class').split(' '), function (v, i) {
if (v.indexOf(block_id_start) > -1) {
return v.slice(block_id_start.length, v.length);
}
}).join();
var block_selector = '#' + $(this).attr('id');
facets_blocks[block_id] = block_selector;
});
return facets_blocks;
};
/**
* Overrides beforeSend to trigger facetblocks update on exposed filter change.
*
* @param {XMLHttpRequest} xmlhttprequest
* Native Ajax object.
* @param {object} options
* jQuery.ajax options.
*/
Drupal.Ajax.prototype.beforeSend = function (xmlhttprequest, options) {
// Update facet blocks as well.
// Get view from options.
if (typeof options.extraData !== 'undefined' && typeof options.extraData.view_name !== 'undefined') {
var href = window.location.href;
var settings = drupalSettings;
// TODO: Maybe we should limit facet block reloads by view?
var reload = false;
$.each(settings.facets_views_ajax, function (facetId, facetSettings) {
if (facetSettings.view_id == options.extraData.view_name && facetSettings.current_display_id == options.extraData.view_display_id) {
reload = true;
}
});
if (reload) {
href = addExposedFiltersToFacetsUrl(href, options.extraData.view_name, options.extraData.view_display_id);
updateFacetsBlocks(href);
}
}
// Call the original Drupal method with the right context.
beforeSend.apply(this, arguments);
}
// Helper function to add exposed form data to facets url
var addExposedFiltersToFacetsUrl = function (href, view_name, view_display_id) {
var $exposed_form = $('form#views-exposed-form-' + view_name.replace(/_/g, '-') + '-' + view_display_id.replace(/_/g, '-'));
var params = Drupal.Views.parseQueryString(href);
$.each($exposed_form.serializeArray(), function () {
params[this.name] = this.value;
});
return href.split('?')[0] + '?' + $.param(params);
};
})(jQuery, Drupal);