http://stackoverflow.com/questions/43214985/how-to-properly-create-pagination-with-knockout-js-component
by jlspake
HTML
<script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.4.1/knockout-min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/knockout.mapping/2.4.1/knockout.mapping.min.js"></script>
<div data-bind="component: { name: 'jPage', params: { Items: CustomerList(), PerPage: 1} }">
JavaScript
var viewModel = function(){
var self = this;
this.CustomerList = ko.observableArray([
{FirstName: "John", Email: "[email protected]"},
{FirstName: "Steve", Email: "[email protected]"},
{FirstName: "Jim", Email: "[email protected]"}
]);
}
ko.components.register("jPage", {
viewModel: function (params) {
var self = this;
self.Items = params.Items;
self.Keys = Object.keys(self.Items);
self.PerPage = params.PerPage;
self.Page = ko.observable(1);
self.PagesTotal = Math.ceil(self.Items.length / self.PerPage);
self.ItemsVisible = ko.computed(function () {
first = (self.Page() * self.PerPage) - self.PerPage;
return self.Items.slice(first, first + self.PerPage);
})
self.ChangePage = function (_page) {
if (_page < 1 || _page > self.PagesTotal) return;
this.Page(_page);
}.bind(this);
},
template:
'<div data-bind="foreach: ItemsVisible"> \
Display Table headers and data here <br>\
<span data-bind="text: $data[0]"> </span>\
</div>\
<nav aria-label="Page navigation">\
<ul class="pagination">\
<li data-bind="css:{disabled: Page() <= 1} ">\
<a aria-label="Previous" data-bind="click: ChangePage( Page() - 1 )">\
<span aria-hidden="true">«</span>\
</a>\
</li>\
<li><a data-bind="text: Page() -2, click: ChangePage( Page() - 2 ), visible: Page() > 2 "> </a></li>\
<li><a data-bind="text: Page() -1, click: ChangePage( Page() - 1 ), visible: Page() > 1 "> </a></li>\
<li class="active"><a data-bind="text: Page"> </a></li>\
<li><a data-bind="text: Page() +1, click: ChangePage( Page() + 1 ), visible: (PagesTotal > Page() +0) "></a></li>\
<li><a data-bind="text: Page() +2, click: ChangePage( Page() + 2 ), visible: (PagesTotal > Page() +1)"></a></li>\
<li data-bind="css: {disabled: (PagesTotal < Page() )}">\
<a aria-label="Next" data-bind="click:...