1 | let url = window.location.href.toString().split(window.location.host)[1].split("?")[0];
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2 |
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3 | let pages = parseInt(document.getElementById("helper").getAttribute("data-pages"));
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4 | let currentPage = parseInt(findGetParameter("page"));
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5 | let sort = findGetParameter("sort");
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6 | let order = findGetParameter("order");
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7 | let group = findGetParameter("groupBy")
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8 |
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9 | let sortByInput = document.getElementById("sortBy");
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10 | sortByInput.value = sort;
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11 |
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12 | let orderInput = document.getElementById("order");
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13 | orderInput.value = order;
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14 |
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15 | let groupByInput = document.getElementById("groupBy") === null ? document.createElement("input") : document.getElementById("groupBy");
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16 | groupByInput.value = group;
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17 |
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18 | sortByInput.addEventListener("change", function () {
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19 | window.location.href = url + "?page=" + currentPage + "&sort=" + sortByInput.value + "&order=" + orderInput.value + "&groupBy=" + groupByInput.value;
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20 | })
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21 |
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22 | orderInput.addEventListener("change", function() {
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23 | window.location.href = url + "?page=" + currentPage + "&sort=" + sortByInput.value + "&order=" + orderInput.value + "&groupBy=" + groupByInput.value;
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24 | })
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25 |
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26 | groupByInput.addEventListener("change", function () {
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27 | window.location.href = url + "?page=" + 1 + "&sort=" + sortByInput.value + "&order=" + orderInput.value + "&groupBy=" + groupByInput.value;
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28 | })
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29 |
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30 | document.getElementById('pagination').innerHTML = createPagination(pages, currentPage);
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31 |
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32 | function createPagination(pages, page) {
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33 | let str = '<ul class="pagination justify-content-center">';
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34 | let active;
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35 | let pagesBefore = page - 1;
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36 | let pagesAfter = page + 1;
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37 |
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38 | if (page > 1) {
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39 | str += '<li class="page-item"><a class="page-link" href="'+url+'?page='+(page-1)+'&sort='+sort+'&order='+order+'&groupBy='+group+'">Previous</a></li>';
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40 | }
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41 |
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42 | if (pages < 6) {
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43 | for (let p = 1; p <= pages; p++) {
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44 | active = page == p ? "active" : "";
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45 | str += '<li class="page-item '+active+'"><a class="page-link" href="'+url+'?page='+p+'&sort='+sort+'&order='+order+'&groupBy='+group+'">'+ p +'</a></li>';
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46 | }
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47 | }
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48 |
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49 | else {
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50 | if (page > 2) {
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51 | str += '<li class="page-item"><a class="page-link" href="'+url+'?page=1&sort='+sort+'&order='+order+'&groupBy='+group+'">1</a></li>';
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52 | if (page > 3) {
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53 | str += '<li class="page-item"><a class="page-link" href="'+url+'?page='+(page-2)+'&sort='+sort+'&order='+order+'&groupBy='+group+'">...</a></li>';
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54 | }
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55 | }
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56 |
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57 | if (page === 1) {
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58 | pagesAfter += 2;
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59 | } else if (page === 2) {
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60 | pagesAfter += 1;
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61 | }
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62 |
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63 | if (page === pages) {
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64 | pagesBefore -= 2;
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65 | } else if (page === pages-1) {
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66 | pagesBefore -= 1;
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67 | }
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68 |
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69 | for (let p = pagesBefore; p <= pagesAfter; p++) {
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70 | if (p === 0) {
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71 | p += 1;
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72 | }
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73 | if (p > pages) {
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74 | continue
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75 | }
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76 | active = page == p ? "active" : "";
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77 | str += '<li class="page-item '+active+'"><a class="page-link" href="'+url+'?page='+p+'&sort='+sort+'&order='+order+'&groupBy='+group+'">'+ p +'</a></li>';
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78 | }
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79 |
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80 | if (page < pages-1) {
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81 | if (page < pages-2) {
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82 | str += '<li class="page-item"><a class="page-link" href="'+url+'?page='+(page+2)+'&sort='+sort+'&order='+order+'&groupBy='+group+'">...</a></li>';
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83 | }
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84 | str += '<li class="page-item"><a class="page-link" href="'+url+'?page='+pages+'&sort='+sort+'&order='+order+'&groupBy='+group+'">'+pages+'</a></li>';
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85 | }
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86 | }
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87 |
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88 | if (page < pages) {
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89 | str += '<li class="page-item"><a class="page-link" href="'+url+'?page='+(page+1)+'&sort='+sort+'&order='+order+'&groupBy='+group+'">Next</a></li>';
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90 | }
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91 | str += '</ul>';
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92 |
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93 | return str;
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94 | }
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95 |
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96 | function findGetParameter(parameterName) {
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97 | let result = null,
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98 | tmp = [];
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99 | location.search
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100 | .substr(1)
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101 | .split("&")
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102 | .forEach(function (item) {
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103 | tmp = item.split("=");
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104 | if (tmp[0] === parameterName) result = tmp[1];
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105 | });
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106 | return result;
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107 | } |
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