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<!DOCTYPE html>
<!--
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.    
-->
<div id="bodydiv" class="body">

<div id="viewform" class="viewform">

<form id="cloneAppForm">
<table style="width: 100%;">
<tr><td class="label">New URL:</td></tr>
<tr><td><span id="hostname" class="readentry"></span><input type="text" id="appName" class="flatentry" size="18" autocapitalize="off" placeholder="New app name"/></td></tr>
<tr><td style="padding-top: 20px;">
<input id="cloneAppOKButton" type="submit" class="bluebutton" style="font-weight: bold;" value="Clone" title="Clone this app"/>
<input id="cloneAppCancelButton" type="button" class="graybutton" value="Cancel"/>
</td></tr>
</table>
</form>
<br/>

</div>

<script type="text/javascript">
(function clonebody() {

/**
 * Get the app name.
 */
var appname = ui.fragmentParams(location)['app'];

/**
 * Setup page layout.
 */
(function layout() {
    document.title = config.windowtitle() + ' - ' + config.clone() + ' - ' + appname;
    $('viewhead').innerHTML = '<span class="smenu">' + config.clone() + ' ' + appname + '</span>';
    if (!ui.isMobile())
        $('viewform').className = 'viewform flatscrollbars';
    $('hostname').innerHTML = window.location.hostname + '/';
    $('cloneAppOKButton').value = config.clone();
    $('cloneAppOKButton').title = config.clone() + ' this app';
})();

/**
 * Initialize service references.
 */
var editorComp = sca.component("Editor");
var apps = sca.reference(editorComp, "apps");

/**
 * The current app entry and corresponding saved XML content.
 */
var appentry;
var savedappxml = '';

/**
 * Get and display the requested app.
 */
(function getapp() {
    if (isNull(appname))
        return false;
    workingstatus(true);
    showstatus('Loading');

    return apps.get(appname, function(doc) {

        // Stop now if we didn't get the app
        if (doc == null) {
            errorstatus('Couldn\'t get the app info');
            workingstatus(false);
            return false;
        }

        appentry = doc != null? car(elementsToValues(atom.readATOMEntry(mklist(doc)))) : mklist("'entry", mklist("'title", ''), mklist("'id", appname));
        var content = cadr(assoc("'content", appentry));
        savedappxml = car(atom.writeATOMEntry(valuesToElements(mklist(appentry))));

        onlinestatus();
        workingstatus(false);
        return true;
    });
})();

/**
 * Save an app.
 */
function saveapp(name, entryxml) {
    workingstatus(true);
    showstatus('Saving');

    savedappxml = entryxml;
    apps.put(name, savedappxml, function(e) {
        if (e) {
            if (e.code && e.code == 404) {
                errorstatus('App name is taken, please pick another name');
                workingstatus(false);
                return false;
            }
            showstatus('Local copy');
            workingstatus(false);
            return false;
        }
        showstatus('Saved');
        workingstatus(false);

        // Open the app in the page editor
        ui.navigate('/#view=info&app=' + name, '_view');
        return false;
    });
    return false;
}

/**
 * Clone an app.
 */
$('cloneAppForm').onsubmit = function() {

    // Validate app name
    var name = $('appName').value;
    if (name.length < 3 || name.length > 10) {
        errorstatus('App name must be between 3 and 10 characters');
        return false;
    }
    name = name.toLowerCase();
    var anum = name.split('').reduce(function(p, c, i, a) { return p && ((c >= 'a' && c <= 'z') || (c >= '0' && c<= '9')); }, true);
    if (!anum) {
        errorstatus('App name is taken, please pick another name');
        return false;
    }
    if (name.charAt(0) < 'a' || name.charAt(0) > 'z') {
        errorstatus('App name must start with a letter');
        return false;
    }

    // Check reserved app names
    var reserved = mklist('account', 'app', 'cache', 'clone', 'create', 'delete', 'graph', 'home', 'login', 'new', 'page', 'proxy', 'public', 'private', 'info', 'store');
    if (!isNull(assoc(name, map(function(r) { return mklist(r, r); }, reserved)))) {
        errorstatus('App name is taken, please pick another name');
        return false;
    }

    // Clone the app
    showstatus('Modified');
    appentry = mklist("'entry", mklist("'title", name), mklist("'id", appname), mklist("'author", username));
    var entryxml = car(atom.writeATOMEntry(valuesToElements(mklist(appentry))));
    return saveapp(name, entryxml);
};

/**
 * Cancel cloning an app.
 */
$('cloneAppCancelButton').onclick = function() {
    history.back();
};

})();
</script>

</div>