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+/////////////////////////////////////////////////////////////////////////////////////////
+// Copyright (c) 2017 Koren Lev (Cisco Systems), Yaron Yogev (Cisco Systems) and others /
+// /
+// All rights reserved. This program and the accompanying materials /
+// are made available under the terms of the Apache License, Version 2.0 /
+// which accompanies this distribution, and is available at /
+// http://www.apache.org/licenses/LICENSE-2.0 /
+/////////////////////////////////////////////////////////////////////////////////////////
+/*
+ * Template Component: Pager
+ */
+
+//import { Meteor } from 'meteor/meteor';
+import * as R from 'ramda';
+import { Template } from 'meteor/templating';
+import { SimpleSchema } from 'meteor/aldeed:simple-schema';
+import { ReactiveDict } from 'meteor/reactive-dict';
+
+import './pager.html';
+
+/*
+ * Lifecycles
+ */
+
+Template.Pager.onCreated(function() {
+ var instance = this;
+ instance.state = new ReactiveDict();
+ instance.state.setDefault({
+ pagesButtons: [{ label: '1', number: 1 }],
+ currentPage: 1,
+ });
+
+ instance.autorun(function () {
+ let data = Template.currentData();
+ new SimpleSchema({
+ disableNext: { type: Boolean },
+ disablePrev: { type: Boolean },
+ totalPages: { type: Number },
+ currentPage: { type: Number },
+ onReqNext: { type: Function },
+ onReqPrev: { type: Function },
+ onReqPage: { type: Function },
+ onReqFirst: { type: Function },
+ onReqLast: { type: Function },
+ }).validate(data);
+
+ instance.state.set('totalPages', data.totalPages);
+ instance.state.set('currentPage', data.currentPage);
+ });
+
+ instance.autorun(function () {
+ let numOfPagesInPager = 5;
+ let totalPages = instance.state.get('totalPages');
+ let currentPage = instance.state.get('currentPage');
+ let first = R.ifElse((x) => x < 1, R.always(1), R.identity)(currentPage - numOfPagesInPager + 1);
+ let last = R.ifElse((x) => x > totalPages, R.always(totalPages + 1), R.identity)(
+ first + numOfPagesInPager);
+
+ let pagesButtons = R.map((pageNumber) => {
+ return {
+ label: R.toString(pageNumber), number: pageNumber
+ };
+ }, R.range(first, last));
+
+ instance.state.set('pagesButtons', pagesButtons);
+ });
+});
+
+/*
+Template.Pager.rendered = function() {
+};
+*/
+
+/*
+ * Events
+ */
+
+Template.Pager.events({
+ 'click .sm-prev-button': function (_event, _instance) {
+ let data = Template.currentData();
+ data.onReqPrev();
+ },
+
+ 'click .sm-next-button': function (_event, _instance) {
+ let data = Template.currentData();
+ data.onReqNext();
+ },
+
+ 'click .sm-first-button': function (_event, _instance) {
+ let data = Template.currentData();
+ data.onReqFirst();
+ },
+
+ 'click .sm-last-button': function (_event, _instance) {
+ let data = Template.currentData();
+ data.onReqLast();
+ },
+
+ 'click .sm-page-button': function (event, _instance) {
+ let data = Template.currentData();
+ let pageNumber = parseInt(event.target.dataset.pageNumber);
+ data.onReqPage(pageNumber);
+ },
+
+
+});
+
+/*
+ * Helpers
+ */
+
+Template.Pager.helpers({
+ pagesButtons: function () {
+ let instance = Template.instance();
+ return instance.state.get('pagesButtons');
+ },
+
+ isCurrentPage: function (pageNum, currentPage) {
+ return pageNum === currentPage;
+ },
+}); // end: helpers
+
+