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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
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