60 lines
2.8 KiB
JavaScript
60 lines
2.8 KiB
JavaScript
$(function() {
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"use strict";
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// mergedHead will be turned to true the first time we receive something from a new host
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// It allows to transform the <head> only once
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var mergedHead = false;
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var current_client_url = "";
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var stop_longpolling = false;
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function longpolling() {
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$.ajax({
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type: 'POST',
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url: 'http://'+window.location.host+'/point_of_sale/get_serialized_order',
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dataType: 'json',
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beforeSend: function(xhr){xhr.setRequestHeader('Content-Type', 'application/json');},
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data: JSON.stringify({jsonrpc: '2.0'}),
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success: function(data) {
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if (typeof data.result.stop_longpolling !== 'undefined') {
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stop_longpolling = data.result.stop_longpolling;
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}
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if (data.result.ip_from && data.result.rendered_html) {
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var trimmed = $.trim(data.result.rendered_html);
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var $parsedHTML = $('<div>').html($.parseHTML(trimmed,true)); // WARNING: the true here will executes any script present in the string to parse
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var new_client_url = $parsedHTML.find(".resources > base").attr('href');
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if (!mergedHead || (current_client_url !== new_client_url)) {
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mergedHead = true;
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current_client_url = new_client_url;
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$("body").removeClass('original_body').addClass('ajax_got_body');
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$("head").children().not('.origin').remove();
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$("head").append($parsedHTML.find(".resources").html());
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}
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$(".container").html($parsedHTML.find('.pos-customer_facing_display').html());
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$(".container").attr('class', 'container').addClass($parsedHTML.find('.pos-customer_facing_display').attr('class'));
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var d = $('.pos_orderlines_list');
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d.scrollTop(d.prop("scrollHeight"));
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// Here we execute the code coming from the pos, apparently $.parseHTML() executes scripts right away,
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// Since we modify the dom afterwards, the script might not have any effect
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if (typeof foreign_js !== 'undefined' && $.isFunction(foreign_js)) {
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foreign_js();
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}
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}
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},
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complete: function(jqXHR,err) {
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if (!stop_longpolling) {
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longpolling();
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}
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},
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timeout: 30000,
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});
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};
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longpolling();
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}); |