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<!--
* 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.
-->
<html>
<head>
<link rel="stylesheet" type="text/css" href="/ui.css">
<script type="text/javascript" src="/util.js"></script>
<script type="text/javascript" src="/elemutil.js"></script>
<script type="text/javascript" src="/xmlutil.js"></script>
<script type="text/javascript" src="/atomutil.js"></script>
<script type="text/javascript" src="/scdl.js"></script>
<script type="text/javascript" src="/ui.js"></script>
<script type="text/javascript" src="/component.js"></script>
<script type="text/javascript" src="page.js"></script>
</head>
<body>
<div id="bodydiv" style="position: absolute; top: 0px; left: 0px; right: 0px;">
<table style="width: 100%;">
<tr>
<th class="thl" style="width: 225px; min-width: 225px;">Palette</th>
<th class="thr" style="padding-left: 4px; padding-top: 0px; padding-bottom: 0px;">
<input id="widgetName" type="text" value="widget name" style="position: relative; width: 200px;"/>
<input id="widgetText" type="text" value="widget text" style="position: relative; width: 300px;"/>
</th>
<th class="thl thr" style="padding-top: 0px; padding-bottom: 0px; padding-right: 0px; text-align: right;">
<span id="source" style="font-weight: normal;">[atom json]</span>
<input type="button" id="saveButton" style="font-weight: bold;" Value="Saved"/>
</th>
</tr>
<tr style="height: 5000px;"><td class="tdl"></td><td class="tdr" colspan="2"></td></tr>
</table>
<div id="page" style="position: absolute; top: 40px; left: 0px; width: 5000px; height: 5000px;">
<span class="h1" id="palette:h1" style="position: absolute; left: 0px; top: 0px;"><h1>Header1</h1></span>
<span class="h2" id="palette:h2" style="position: absolute; left: 0px; top: 40px;"><h2>Header2</h2></span>
<span class="button" id="palette:button" style="position: absolute; left: 0px; top: 80px;"><input type="button" value="button"/></span>
<span class="entry" id="palette:entry" style="position: absolute; left: 0px; top: 120px;"><input type="text" value="field" size="5"/></span>
<span class="password" id="palette:password" style="position: absolute; left: 0px; top: 160px;"><input type="password" value="password" size="5"/></span>
<span class="checkbox" id="palette:checkbox" style="position: absolute; left: 0px; top: 200px;"><input type="checkbox" value="checkbox"/><span>checkbox</span></span>
<span class="list" id="palette:list" style="position: absolute; left: 0px; top: 240px;"><select><option value="list">list</option></select></span>
<span class="link" id="palette:link" style="position: absolute; left: 0px; top: 280px;"><a href="/"><span>link</span></a></span>
<span class="text" id="palette:text" style="position: absolute; left: 0px; top: 320px;"><span>text</span></span>
<span class="img" id="palette:img" style="position: absolute; left: 0px; top: 360px;"><img src=""/></span>
</div>
<div id="buffer" style="visibility: hidden; width: 0px; height: 0px">
</div>
</div>
<script type="text/javascript">
if (ui.isIE()) $('bodydiv').style.right = -20;
var editWidget = sca.component("EditWidget");
var pages = sca.reference(editWidget, "pages");
/**
* The current app name.
*/
var appname = ui.queryParams()['app'];
$('source').innerHTML = '[<a href="/pages/' + appname + '">atom</a> <a href="/appcache/' + appname + '/app.html">json</a>]';
/**
* Return the page in an ATOM entry.
*/
function atompage(doc) {
var entry = atom.readATOMEntryDocument(doc);
var item = caddr(entry);
return cddr(item);
}
/**
* Track the current page saved XHTML content.
*/
var savedpagexhtml = '';
/**
* Get and display an app page.
*/
function getpage(name, edit) {
if (isNil(name))
return;
pages.get(name, function(doc) {
// Convert the page to XHTML and place it in a hidden buffer
var buffer = $('buffer');
var el = atompage(doc);
if (isNil(el)) {
// Create a default empty page if necessary
buffer.innerHTML = '<DIV id="page">\n</DIV>\n';
} else {
buffer.innerHTML = writeStrings(writeXML(atompage(doc), false));
}
// Append page nodes to editor
map(function(e) {
e.style.left = ui.csspos(e.style.left) + 250;
edit.appendChild(e);
return page.cover(e);
}, nodeList(buffer.childNodes[0].childNodes));
savedpagexhtml = pagexhtml();
});
}
/**
* Handle save button click event.
*/
$('saveButton').onclick = function(e) {
return save();
};
/**
* Return the current page XHTML content.
*/
function pagexhtml() {
// Copy page DOM to hidden buffer
var edit = $('page');
var buffer = $('buffer');
buffer.innerHTML = '<DIV id="page">\n</DIV>\n'
var div = buffer.childNodes[0];
div.innerHTML = edit.innerHTML;
// Remove nodes from palette and editor artifacts, which are
// not part of the page, as well as nodes positioned out of
// the editing area
map(function(e) {
if (isNil(e.id) || e.id == '' || e.id.substr(0, 8) == 'palette:') {
div.removeChild(e);
return e;
}
var x = ui.csspos(e.style.left) - 250;
if (x < 0 || ui.csspos(e.style.top) < 0) {
div.removeChild(e);
return e;
}
e.style.left = x;
return e;
}, nodeList(div.childNodes));
// Convert the page to XHTML
var lxhtml = readXHTMLElement(div);
var xhtml = writeStrings(writeXML(lxhtml, false));
return xhtml;
}
/**
* Save the current page.
*/
function save() {
$('saveButton').value = 'Saving';
// Get the current page XHTML content
savedpagexhtml = pagexhtml();
// Update the page ATOM entry
var entry = '<entry xmlns="http://www.w3.org/2005/Atom">' +
'<title type="text">' + appname + '</title><id>' + appname + '</id><content type="application/xml"><item>' +
savedpagexhtml + '</item></content></entry>';
pages.put(appname, entry, function(e) {
if (savedpagexhtml == pagexhtml())
$('saveButton').value = 'Saved';
return true;
});
return true;
};
/**
* Handle a page change event
*/
function onpagechange() {
if (savedpagexhtml == pagexhtml())
return false;
$('saveButton').value = 'Save now';
// Autosave after 3 seconds
setTimeout(function() {
if (savedpagexhtml == pagexhtml())
return false;
return save();
}, 3000);
return true;
}
// Initialize the page editor
var edit = $('page');
page.edit(edit, $('widgetName'), $('widgetText'), onpagechange);
// Get and display the current app page
getpage(appname, edit);
</script>
</body>
</html>
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