jquery - 淘汰赛绑定和jquery对话窗口

Question

我正在尝试处理显示如何将 viewModel 绑定到 jquery 对话框窗口的敲除示例：http: //jsfiddle.net/rniemeyer/WpnTU/ 我正在尝试使此示例在 MVC4 Internet 应用程序中工作，我所做的只是将下面的代码复制到标准索引视图。但是当我点击按钮时，对话窗口没有打开。请告诉我，我做错了什么？

 @section scripts
{
    <script src="~/Scripts/jquery-2.0.3.js" type="text/javascript"></script>
    <script src="~/Scripts/jquery-ui-1.8.20.min.js" type="text/javascript"></script>
    <script src="~/Scripts/knockout-2.3.0.js" type="text/javascript"></script>

    <script type="text/javascript">

        //custom binding to initialize a jQuery UI dialog
        $(document).ready(function () {
            ko.bindingHandlers.jqDialog = {
                init: function (element, valueAccessor) {
                    var options = ko.utils.unwrapObservable(valueAccessor()) || {};

                    //handle disposal
                    ko.utils.domNodeDisposal.addDisposeCallback(element, function () {
                        $(element).dialog("destroy");
                    });

                    //dialog is moved to the bottom of the page by jQuery UI. Prevent initial pass of ko.applyBindings from hitting it
                    setTimeout(function () {
                        $(element).dialog(options);
                    }, 0);
                }
            };

            //custom binding handler that opens/closes the dialog
            ko.bindingHandlers.openDialog = {
                update: function (element, valueAccessor) {
                    var value = ko.utils.unwrapObservable(valueAccessor());
                    if (value) {
                        $(element).dialog("open");
                    } else {
                        $(element).dialog("close");
                    }
                }
            }

            //custom binding to initialize a jQuery UI button
            ko.bindingHandlers.jqButton = {
                init: function (element, valueAccessor) {
                    var options = ko.utils.unwrapObservable(valueAccessor()) || {};

                    //handle disposal
                    ko.utils.domNodeDisposal.addDisposeCallback(element, function () {
                        $(element).button("destroy");
                    });

                    $(element).button(options);
                }
            };

            var Product = function (id, name, isNew) {
                this.id = ko.observable(id);
                this.name = ko.observable(name);
                this.isNew = isNew;
                this.editId = ko.observable(id);
                this.editName = ko.observable(name);

                //persist edits to real values on accept
                this.accept = function () {
                    this.id(this.editId()).name(this.editName());
                }.bind(this);

                //reset to originals on cancel
                this.cancel = function () {
                    this.editId(this.id()).editName(this.name());
                }.bind(this);
            }

            var ViewModel = function () {
                var self = this;
                this.productList = ko.observableArray([
                    new Product(1, "one"),
                    new Product(2, "two"),
                    new Product(3, "three"),
                    new Product(4, "four")
                ]);

                this.selectedProduct = ko.observable();
                this.editProduct = function (productToEdit) {
                    self.selectedProduct(productToEdit);
                };
                this.addProduct = function () {
                    self.selectedProduct(new Product(0, "", true));
                },
                this.removeProduct = function (product) {
                    self.productList.remove(product);
                },
                this.accept = function () {
                    var selected = self.selectedProduct();
                    selected.accept();

                    if (selected.isNew) {
                        self.productList.push(new Product(selected.id(), selected.name()));
                    }

                    self.selectedProduct("");
                },
                this.cancel = function () {
                    self.selectedProduct().cancel();
                    self.selectedProduct("");
                };
            };

            ko.applyBindings(new ViewModel());
        })
    </script>
        }
<table>
    <tr>
        <th>Id</th>
        <th>Name</th>
        <th></th>
        <th></th>
    </tr>
    <tbody data-bind="foreach: productList">
        <tr>
            <td data-bind="text: id"></td>
            <td data-bind="text: name"></td> 
            <td>
                <button data-bind="click: $root.editProduct">Edit</button>
            </td>
            <td>
                <button data-bind="click: $root.removeProduct">Delete</button>
            </td>
        </tr>    
    </tbody>
</table>

<button data-bind="click: addProduct">Add Product</button>


<hr />

<div id="details" data-bind="jqDialog: { autoOpen: false, resizable: false, modal: true }, 
    template: { name: 'editTmpl', data: selectedProduct, if: selectedProduct }, openDialog: selectedProduct"> 
</div>

<script id="editTmpl" type="text/html">
    <p>
        <label>ID: </label>
        <input data-bind="value: editId"  />
    </p>
    <p>
        <label>Name: </label>
        <input data-bind="value: editName"  />
    </p>        
    <button data-bind="jqButton: {}, click: $root.accept">Accept</button>
    <button data-bind="jqButton: {}, click: $root.cancel">Cancel</button>
</script>

Answer 1

我认为问题是因为使用 jQuery 最新版本和 jQueryUI 旧版本尝试使用最新的 jQueryUI。