JSFiddle - React, Tailwind, and code Playground

by Mladen Mihajlovic

HTML

<link rel="stylesheet" href="//netdna.bootstrapcdn.com/twitter-bootstrap/2.2.1/css/bootstrap-combined.min.css">
<script src="http://code.jquery.com/jquery-1.8.3.min.js"></script>
<script src="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.2.1/js/bootstrap.min.js"></script>
<!-- Modal template -->
<script id="myModal" type="text/html">
  <div class="modal-header">
    <button type="button" class="close" data-bind="click:close" aria-hidden="true">&times;</button>
    <h3 data-bind="html:header"></h3>
  </div>
  <div class="modal-body" data-bind="html:body"></div>
  <div class="modal-footer">
    <a href="#" class="btn" data-bind="click:close,html:closeLabel"></a>
    <a href="#" class="btn btn-primary" data-bind="click:action,html:primaryLabel"></a>
  </div>
</script>

<!-- Create a modal via custom binding -->
<div data-bind="bootstrapModal:modal" data-keyboard="false" data-backdrop="static"></div>

<!-- Basic form for editing modal values -->
<input data-bind="value:modal.header"></input>
<textarea data-bind="value:modal.body"></textarea>
<input data-bind="value:modal.closeLabel"></input>
<input data-bind="value:modal.primaryLabel"></input>
<button data-bind="click:showModal">Show Modal</input>

CSS

input, textarea, button {
 display:block;
 margin:5px;
}

JavaScript

/* Custom binding for making modals */
ko.bindingHandlers.bootstrapModal = {
    init: function(element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
        var props = valueAccessor(),
            vm = bindingContext.createChildContext(viewModel);
        ko.utils.extend(vm, props);
        vm.close = function() {
            vm.show(false);
            vm.onClose();
        };
        vm.action = function() {
            vm.onAction();
        }
        ko.utils.toggleDomNodeCssClass(element, "modal hide fade", true);
        ko.renderTemplate("myModal", vm, null, element);
        var showHide = ko.computed(function() {
            $(element).modal(vm.show() ? 'show' : 'hide');
        });
        return {
            controlsDescendantBindings: true
        };
    }
}

/* Demo ViewModel */
var viewModel = {};

/* Settings for the bootstrapModal binding...
   NOTE you could also set these up in an object literal within the data-bind */
viewModel.modal = {
    header: ko.observable("This is a modal"),
    body: ko.observable("Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum."),
    closeLabel: "Close",
    primaryLabel: "Do Something",
    show: ko.observable(false), /* Set to true to show initially */
    onClose: function() {
        viewModel.onModalClose();
    },
    onAction: function() {
        viewModel.onModalAction();
    }
}

viewModel.showModal = function() {
    viewModel.modal.show(true);
}

viewModel.onModalClose = function() {
    alert("CLOSE!");
}
viewModel.onModalAction = function() {
   ...