demo/sample-load-errors.html from mar10/fancytree

demo/sample-load-errors.html
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<!DOCTYPE html>
<html>
<head>
    <meta http-equiv="content-type" content="text/html; charset=ISO-8859-1">
    <title>Fancytree - Example</title>

    <script src="../lib/jquery.js"></script>
    <script src="../src/jquery-ui-dependencies/jquery.fancytree.ui-deps.js"></script>

    <link href="../src/skin-win8/ui.fancytree.css" rel="stylesheet">
    <script src="../src/jquery.fancytree.js"></script>
    <script src="../src/jquery.fancytree.table.js"></script>

    <!-- Start_Exclude: This block is not part of the sample code -->
    <link href="../lib/prettify.css" rel="stylesheet">
    <script src="../lib/prettify.js"></script>
    <link href="sample.css" rel="stylesheet">
    <script src="sample.js"></script>
    <!-- End_Exclude -->

<script type="text/javascript">
    function createNode(e, ctx) {
        // add fake <input/> to the node
        var $input = $("<input/>").val(ctx.node.title);
        $("span.fancytree-title", ctx.node.li).before($input);
    }

    $(function () {
        var source = [
            { key: "ajax", title: "Successful lazy loading via Ajax", lazy: true },
            { key: "custom", title: "Successful lazy loading via custom source", lazy: true },
            { key: "ajax-error", title: "Ajax error while lazy loading", lazy: true },
            { key: "custom-error", title: "Custom error while lazy loading", lazy: true }
        ];

        function lazyLoad(event, data) {
            switch (data.node.key) {
                case "ajax":
                    data.result = { url: "ajax-sub2.json" /*, debugDelay: 5000*/ };
                    break;
                case "custom":
                    data.result = $.Deferred(function (dfd) {
                        setTimeout(function () {
                            dfd.resolve([
                                { title: "Sub item 1" },
                                { title: "Sub item 2" }
                            ]);
                        }, 1000);
                    });
                    break;
                case "ajax-error":
                    data.result = { url: "not-found.json" };
                    break;
                case "custom-error":
                    data.result = $.Deferred(function (dfd) {
                        setTimeout(function () {
                            dfd.reject(new Error("TEST ERROR"));
                        }, 1000);
                    });
                    break;
                default:
                    data.result = [];
            }
        }

        function loadError(e,data) {
            var error = data.error;
            if (error.status && error.statusText) {
                data.message = "Ajax error: " + data.message;
                data.details = "Ajax error: " + error.statusText + ", status code = " + error.status;
            } else {
                data.message = "Custom error: " + data.message;
                data.details = "An error occurred during loading: " + error;
            }
        }

        $("#tree1").fancytree({
            source: source,
            ajax: { debugDelay: 1000 },
            lazyLoad: lazyLoad
        });

        $("#tree2").fancytree({
            source: source,
            ajax: { debugDelay: 1000 },
            lazyLoad: lazyLoad,
            loadError: loadError
        });

        $("#table1").fancytree({
            source: source,
            ajax: { debugDelay: 1000 },
            lazyLoad: lazyLoad,
            extensions: ["table"]
        });

        $("#table2").fancytree({
            source: source,
            ajax: { debugDelay: 1000 },
            lazyLoad: lazyLoad,
            loadError: loadError,
            extensions: ["table"]
        });
    });
</script>
</head>

<body class="example">
    <h1>Example: lazy load errors handling</h1>
    <!-- Start_Exclude: This block is not part of the sample code -->
    <div class="description">
        This example demonstrates how to handle errors which can occur during lazy loading.
    </div>
    <div>
        <label for="skinswitcher">Skin:</label> <select id="skinswitcher"></select>
    </div>
    <hr>
    <!-- End_Exclude -->

    <div>
        <label>No 'loadError' handler:</label>
        <div id="tree1"></div>
    </div>
    <br/>

    <div>
        <label>'loadError' handler is specified:</label>
        <div id="tree2"></div>
    </div>
    <br/>

    <div>
        <label>No 'loadError' handler (table extension):</label>
        <table id="table1" style="width:100%">
            <thead style="display: none"><tr><th></th></tr>
            </thead>
            <tbody></tbody>
        </table>
    </div>
    <br/>

    <div>
        <label>'loadError' handler is specified (table extension):</label>
        <table id="table2" style="width:100%">
            <thead style="display: none"><tr><th></th></tr>
            </thead>
            <tbody></tbody>
        </table>
    </div>

    <!-- Start_Exclude: This block is not part of the sample code -->
    <p id="sampleButtons">
    </p>
    <hr>
    <p class="sample-links  no_code">
        <a class="hideInsideFS" href="https://github.com/mar10/fancytree/">Fancytree project home</a>
        <a class="hideOutsideFS" href="#">Link to this page</a>
        <a class="hideInsideFS" href="index.html">Example Browser</a>
        <a href="#" id="codeExample">View source code</a>
    </p>
    <pre id="sourceCode" class="prettyprint" style="display:none"></pre>
    <!-- End_Exclude -->
</body>
</html>