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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="bodydiv" style="overflow: visible;">
<table style="width: 100%;">
<tr>
<td><h2><span id="appNameHeader"></span></h2></td>
<td style="vertical-align: middle; text-align: right; padding-right: 8px;"><span id="status" style="font-weight: bold; color: #808080;"></span></td>
</tr>
</table>
<table id="widgetValueBackground" style="width: 2500px; position: absolute; top: 59px; left: 0px; z-index: -1;">
<tr>
<th class="thr thl"><span style="display: inline-block; padding-top: 0px; padding-bottom: 0px; height: 24px;"></span></th>
</tr>
</table>
<table id="widgetValueTable" style="width: 100%;">
<tr>
<td class="thl thr" style="text-align: right; padding-right: 2px; vertical-align: top;">
<span id="deleteWidgetButton" title="Delete a Widget" class="graybutton" style="font-weight: bold; font-size: 16px; color: #808080; display: inline-block; width: 24px; height: 20px; padding-top: 0px; padding-bottom: 0px; text-align: center; margin-left: 0px; margin-right: 0px;">-</span>
<span id="copyWidgetButton" title="Copy a Widget" class="graybutton" style="font-weight: bold; font-size: 16px; color: #808080; display: inline-block; width: 24px; height: 20px; padding-top: 0px; padding-bottom: 0px; text-align: center; margin-left: 0px; margin-right: 0px;">c</span>
<span id="addWidgetButton" title="Add a Widget" class="graybutton" style="font-weight: bold; font-size: 16px; display: inline-block; width: 24px; height: 20px; padding-top: 0px; padding-bottom: 0px; middle; text-align: center; margin-left: 0px; margin-right: 0px;">+</span>
<span id="playPageButton" title="View page" class="graybutton" style="font-weight: bold; font-size: 16px; display: inline-block; width: 24px; height: 20px; padding-top: 0px; padding-bottom: 0px; middle; text-align: center; margin-left: 0px; margin-right: 0px;">></span>
</td>
<td class="thl thr" style="padding-left: 2px; padding-right: 2px; vertical-align: top; width: 100%;">
<input id="widgetValue" type="text" value="" title="Widget value" autocapitalize="off" placeholder="Value" style="position: relative; visibility: hidden; width: 100%;"/>
</td>
</tr>
</table>
<div id="contentdiv" style="margin-top: 4px; width: 2500px;">
<div id="editdiv" style="visibility: visible; position: relative; top: 0px; left: -2500px; width: 2500px; height: 5000px;">
<div style="position: relative; left: 2500px; top: 0px; right: 0px; height: 5000px; border:1px; border-style: solid; border-color: #a2bae7;"><span id="editgrid"></span></div>
<div class="guide" style="position: absolute; left: 2500px; top: 0px; width: 320px; height: 460px;"></div>
<div class="guide" style="position: absolute; left: 2500px; top: 0px; width: 480px; height: 300px;"></div>
<div class="guide" style="position: absolute; left: 2500px; top: 0px; width: 768px; height: 911px;"></div>
<div class="guide" style="position: absolute; left: 2500px; top: 0px; width: 1024px; height: 655px;"></div>
<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: 30px;"><h2>Header2</h2></span>
<span class="section" id="palette:section" style="position: absolute; left: 0px; top: 60px; width: 200px;"><span class="section">section</span></span>
<span class="button" id="palette:button" style="position: absolute; left: 0px; top: 90px;"><input type="button" value="button" class="graybutton"/></span>
<span class="entry" id="palette:entry" style="position: absolute; left: 0px; top: 120px;"><input type="text" value="field" size="20" autocapitalize="off"/></span>
<span class="password" id="palette:password" style="position: absolute; left: 0px; top: 150px;"><input type="password" value="password" size="20"/></span>
<span class="checkbox" id="palette:checkbox" style="position: absolute; left: 0px; top: 180px;"><input type="checkbox" value="checkbox"/><span>checkbox</span></span>
<span class="select" id="palette:select" style="position: absolute; left: 0px; top: 210px;"><select><option value="select">select</option></select></span>
<span class="list" id="palette:list" style="position: absolute; left: 0px; top: 240px; width: 200px;">
<table class="datatable" style="width: 200px;"><tr><td class="datatd">list</td></tr><tr><td class="datatd">...</td></tr></table>
</span>
<span class="table" id="palette:table" style="position: absolute; left: 0px; top: 290px; width: 200px;">
<table class="datatable" style="width: 200px;"><tr><td class="datatdl">table</td><td class="datatdr">...</td></tr><tr><td class="datatdl">...</td><td class="datatdr">...</td></tr></table>
</span>
<span class="link" id="palette:link" style="position: absolute; left: 0px; top: 340px;"><a href="/"><span>link</span></a></span>
<span class="text" id="palette:text" style="position: absolute; left: 0px; top: 370px;"><span>text</span></span>
<span class="iframe fakeframe" id="palette:iframe" style="position: absolute; left: 0px; top: 400px; width: 200px;"><a href="/public/iframe-min.html"><span class="fakeframe"><span>frame ...</span></span></a></span>
<span class="img" id="palette:img" style="position: absolute; left: 0px; top: 430px;"><img id="imgimg"/></span>
</div>
<div id="playdiv" style="visibility: hidden; position: absolute; top: 0px; left: 0px; width: 2500px; height: 5000px;">
</div>
</div>
<div id="buffer" style="visibility: hidden; width: 0px; height: 0px"></div>
<script type="text/javascript">
// Get the app name
var appname = ui.fragmentParams(location)['app'];
/**
* Return the link to an app.
*/
function applink(appname) {
var protocol = location.protocol;
var host = location.hostname;
var port = ':' + location.port;
if (port == ':80' || port == ':443' || port == ':')
port = '';
var link = protocol + '//' + host + port + '/' + appname + '/';
return link;
}
// Set page titles
document.title = ui.windowtitle(location.hostname) + ' - Page - ' + appname;
$('appNameHeader').innerHTML = '<a href=\"/' + appname + '/\" target=\"' + '_blank' + '\">' + appname + '</a>';
/**
* Page editor area, widget value field, add, delete and play page buttons.
*/
var cdiv = $('contentdiv');
var ediv = $('editdiv');
var evisible = true;
var pdiv = $('playdiv');
var wvalue = $('widgetValue');
var wadd = $('addWidgetButton');
var wdelete = $('deleteWidgetButton');
var wcopy = $('copyWidgetButton');
var pplay = $('playPageButton');
// Set images
$('editgrid').parentNode.style.background = 'url(\'' + ui.b64img(appcache.get('/public/grid72.b64')) + '\')';
$('imgimg').src = ui.b64img(appcache.get('/public/img.b64'));
// Position edit and play divs inside the content div
ediv.style.position = 'absolute';
ediv.style.top = cdiv.offsetTop + 'px';
pdiv.style.position = 'absolute';
pdiv.style.top = cdiv.offsetTop + 'px';
// Position background divs
var wvbackground = $('widgetValueBackground');
var wvtable = $('widgetValueTable');
wvbackground.style.top = ui.pixpos(wvtable.offsetTop);
/**
* Adjust widget value field size.
*/
function resizeFields() {
wvalue.style.width = '0px';
wvalue.style.width = ui.pixpos(wvalue.parentNode.clientWidth - 18);
return true;
}
resizeFields();
window.onresize = resizeFields;
// Init component references
var editWidget = sca.component('EditWidget');
var pages = sca.reference(editWidget, 'pages');
/**
* Page editing functions.
*/
var page = {};
/**
* Default positions and sizes.
*/
page.palcx = 2500;
/**
* Init a page editor. Works with all browsers except IE.
*/
page.edit = function(elem, wvalue, wadd, wcopy, wdelete, onchange, onselect) {
// Track element dragging and selection
page.dragging = null;
page.selected = null;
wvalue.disabled = true;
wvalue.style.visibility = 'hidden';
wcopy.disabled = true;
wdelete.disabled = true;
// Trigger widget select and page change events
page.onpagechange = onchange;
page.onwidgetselect = onselect;
/**
* Handle a mouse down event.
*/
elem.onmousedown = function(e) {
// On mouse controlled devices, engage the click component selection
// logic right away
if (typeof e.touches == 'undefined')
elem.onclick(e);
// Find a draggable element
var dragging = page.draggable(e.target, elem);
if (dragging == null || dragging != page.selected)
return true;
page.dragging = dragging;
// Remember mouse position
var pos = typeof e.touches != "undefined"? e.touches[0] : e;
page.dragX = pos.screenX;
page.dragY = pos.screenY;
if (e.preventDefault)
e.preventDefault();
else
e.returnValue = false;
return true;
};
// Support touch devices
elem.ontouchstart = elem.onmousedown;
/**
* Handle a mouse up event.
*/
elem.onmouseup = function(e) {
if (page.dragging == null)
return true;
// Snap to grid
var newX = page.gridsnap(ui.numpos(page.dragging.style.left));
var newY = page.gridsnap(ui.numpos(page.dragging.style.top));
page.dragging.style.left = ui.pixpos(newX);
page.dragging.style.top = ui.pixpos(newY);
page.dragging.cover.style.left = ui.pixpos(newX);
page.dragging.cover.style.top = ui.pixpos(newY);
// Fixup widget style
page.fixupwidget(page.dragging);
// Forget dragged element
page.dragging = null;
// Trigger page change event
page.onpagechange(false);
return true;
};
// Support touch devices
elem.ontouchend = elem.onmouseup;
/**
* Handle a mouse move event.
*/
window.onmousemove = function(e) {
if (page.dragging == null)
return true;
// Get the mouse position
var pos = typeof e.touches != "undefined"? e.touches[0] : e;
if (pos.screenX == page.dragX && pos.screenY == page.dragY)
return true;
// Compute position of dragged element
var curX = ui.numpos(page.dragging.style.left);
var curY = ui.numpos(page.dragging.style.top);
var newX = curX + (pos.screenX - page.dragX);
var newY = curY + (pos.screenY - page.dragY);
if (newX >= page.palcx)
page.dragX = pos.screenX;
else
newX = page.palcx;
if (newY >= 0)
page.dragY = pos.screenY;
else
newY = 0;
// Move the dragged element
page.dragging.style.left = ui.pixpos(newX);
page.dragging.style.top = ui.pixpos(newY);
page.dragging.cover.style.left = ui.pixpos(newX);
page.dragging.cover.style.top = ui.pixpos(newY);
return true;
};
// Support touch devices
elem.ontouchmove = window.onmousemove;
/**
* Handle a mouse click event.
*/
elem.onclick = function(e) {
// Find selected element
var selected = page.draggable(e.target, elem);
if (selected == null) {
if (page.selected != null) {
// Reset current selection
page.widgetselect(page.selected, false, wvalue, wcopy, wdelete);
page.selected = null;
// Trigger widget select event
page.onwidgetselect(null);
}
// Dismiss the palette
if (ui.numpos(elem.style.left) != (page.palcx * -1))
elem.style.left = ui.pixpos(page.palcx * -1);
return true;
}
// Deselect the previously selected element
page.widgetselect(page.selected, false, wvalue, wcopy, wdelete);
// Clone element dragged from palette
if (selected.id.substring(0, 8) == 'palette:') {
page.selected = page.clone(selected);
// Move into the editing area and hide the palette
page.selected.style.left = ui.pixpos(ui.numpos(page.selected.style.left) + page.palcx);
page.selected.cover.style.left = ui.pixpos(ui.numpos(page.selected.cover.style.left) + page.palcx);
elem.style.left = ui.pixpos(page.palcx * -1);
// Bring it to the top
page.bringtotop(page.selected);
// Trigger page change event
page.onpagechange(true);
} else {
// Bring selected element to the top
page.selected = selected;
page.bringtotop(page.selected);
}
// Select the element
page.widgetselect(page.selected, true, wvalue, wcopy, wdelete);
// Trigger widget select event
page.onwidgetselect(page.selected);
return true;
};
/**
* Handle field on change events.
*/
wvalue.onchange = wvalue.onblur = function() {
if (page.selected == null)
return false;
page.settext(page.selected, wvalue.value);
page.selected.cover.style.width = ui.pixpos(page.selected.clientWidth + 4);
page.selected.cover.style.height = ui.pixpos(page.selected.clientHeight + 4);
// Trigger page change event
page.onpagechange(true);
return false;
};
// Handle add widget event.
wadd.onclick = function() {
// Show the palette
elem.style.left = ui.pixpos(0);
return false;
};
// Handle delete event.
wdelete.onclick = function() {
if (page.selected == null)
return false;
// Reset current selection
page.widgetselect(page.selected, false, wvalue, wcopy, wdelete);
// Remove selected widget
page.selected.parentNode.removeChild(page.selected);
page.selected.cover.parentNode.removeChild(page.selected.cover);
page.selected = null;
// Trigger widget select event
page.onwidgetselect(null);
// Trigger page change event
page.onpagechange(true);
return false;
};
// Handle copy event.
wcopy.onclick = function() {
if (page.selected == null)
return false;
if (page.selected.id.substring(0, 8) == 'palette:')
return false;
// Reset current selection
page.widgetselect(page.selected, false, wvalue, wcopy, wdelete);
// Clone selected widget
page.selected = page.clone(page.selected);
// Move 10 pixels down right
page.selected.style.left = ui.pixpos(ui.numpos(page.selected.style.left) + 10);
page.selected.style.top = ui.pixpos(ui.numpos(page.selected.style.top) + 10);
page.selected.cover.style.left = ui.pixpos(ui.numpos(page.selected.cover.style.left) + 10);
page.selected.cover.style.top = ui.pixpos(ui.numpos(page.selected.cover.style.top) + 10);
// Bring it to the top
page.bringtotop(page.selected);
// Select the element
page.widgetselect(page.selected, true, wvalue, wcopy, wdelete);
// Trigger widget select event
page.onwidgetselect(page.selected);
// Trigger page change event
page.onpagechange(true);
return false;
};
// Cover child elements with span elements to prevent
// any input events to reach them
map(page.cover, nodeList(elem.childNodes));
return elem;
};
/**
* Return the text of a widget.
*/
page.text = function(e) {
function formula(e) {
var f = e.id;
if (f.substring(0, 5) != 'page:')
return '=' + f;
return '';
}
function constant(e, f) {
if (e.className == 'h1' || e.className == 'h2' || e.className == 'text' || e.className == 'section') {
var t = car(childElements(e)).innerHTML;
return t == f? '' : t;
}
if (e.className == 'button' || e.className == 'checkbox') {
var t = car(childElements(e)).value;
return t == f? '' : t;
}
if (e.className == 'entry' || e.className == 'password') {
var t = car(childElements(e)).defaultValue;
return t == f? '' : t;
}
if (e.className == 'select') {
var t = car(childElements(car(childElements(e)))).value;
return t == f? '' : t;
}
if (e.className == 'link') {
var lhr = car(childElements(e)).href;
var hr = lhr.substring(0, 5) == 'link:'? lhr.substring(5) : '';
var t = car(childElements(car(childElements(e)))).innerHTML;
return t == f? hr : (t == hr? hr : (t == ''? hr : hr + ',' + t));
}
if (e.className == 'img') {
var src = car(childElements(e)).src;
return src == location.href? '' : src;
}
if (e.className == 'iframe') {
var hr = car(childElements(e)).href;
return hr == location.href? '' : hr;
}
if (e.className == 'list')
return '';
if (e.className == 'table')
return '';
return '';
}
var f = formula(e);
var c = constant(e, f);
return f == ''? c : (c == ''? f : f + ',' + c);
};
/**
* Return true if a widget has editable text.
*/
page.hastext = function(e) {
if (e.className == 'h1' || e.className == 'h2' || e.className == 'text' || e.className == 'section')
return true;
if (e.className == 'button' || e.className == 'checkbox')
return true;
if (e.className == 'entry' || e.className == 'password')
return true;
if (e.className == 'select')
return false;
if (e.className == 'link')
return true;
if (e.className == 'img')
return true;
if (e.className == 'iframe')
return true;
if (e.className == 'list')
return false;
if (e.className == 'table')
return false;
return false;
};
/**
* Set the text of a widget.
*/
page.settext = function(e, t) {
function formula(t) {
if (t.length > 1 && t.substring(0, 1) == '=')
return car(t.split(','));
return '';
}
function constant(t) {
return t.length > 1 && t.substring(0, 1) == '='? cdr(t.split(',')) : t.split(',');
}
var f = formula(t);
var c = constant(t);
e.id = f != ''? f.substring(1) : ('page:' + e.className);
if (e.className == 'h1' || e.className == 'h2' || e.className == 'text' || e.className == 'section') {
car(childElements(e)).innerHTML = isNil(c)? f : car(c);
return t;
}
if (e.className == 'button' || e.className == 'entry' || e.className == 'password') {
car(childElements(e)).defaultValue = isNil(c)? f : car(c);
return t;
}
if (e.className == 'checkbox') {
car(childElements(e)).value = isNil(c)? f : car(c);
map(function(n) { if (n.nodeName == "SPAN") n.innerHTML = isNil(c)? f : car(c); return n; }, nodeList(e.childNodes));
return t;
}
if (e.className == 'select') {
var ce = car(childElements(car(childElements(e))));
ce.value = isNil(c)? f : car(c);
ce.innerHTML = isNil(c)? f : car(c);
return t;
}
if (e.className == 'list') {
e.innerHTML = '<table class="datatable" style="width: 100%;;"><tr><td class="datatd">' + (isNil(c)? f : car(c)) + '</td></tr><tr><td class="datatd">...</td></tr></table>';
return t;
}
if (e.className == 'table') {
e.innerHTML = '<table class="datatable" style="width: 100%;"><tr><td class="datatdl">' + (isNil(c)? f : car(c)) + '</td><td class="datatdr">...</td></tr><tr><td class="datatdl">...</td><td class="datatdr">...</td></tr></table>';
return t;
}
if (e.className == 'link') {
var ce = car(childElements(e));
ce.href = isNil(c)? 'link:/index.html' : ('link:' + car(c));
car(childElements(ce)).innerHTML = isNil(c)? (f != ''? f : '/index.html') : isNil(cdr(c))? (f != ''? f : car(c)) : cadr(c);
return t;
}
if (e.className == 'img') {
car(childElements(e)).src = isNil(c)? '/public/img.png' : car(c);
return t;
}
if (e.className == 'iframe') {
car(childElements(e)).href = isNil(c)? '/public/iframe-min.html' : car(c);
return t;
}
return '';
};
/**
* Initial fixup of a widget.
*/
page.fixupwidget = function(e) {
if (e.className == 'iframe') {
var f = car(childElements(e));
//e.innerHTML = '<iframe src="' + f.href + '" frameborder="no" scrolling="no"></iframe>';
return e;
}
if (e.className == 'section') {
e.style.width = '100%';
return e;
}
if (e.className == 'list') {
e.style.width = '100%';
car(childElements(e)).style.width = '100%';
return e;
}
if (e.className == 'table') {
e.style.width = '100%';
car(childElements(e)).style.width = '100%';
return e;
}
if (e.className == 'img') {
var i = car(childElements(e));
if (i.src != '' && i.src.substring(0, 5) == 'data:')
i.src = '/public/img.png';
return e;
}
return e;
}
/**
* Find a draggable element in a hierarchy of elements.
*/
page.draggable = function(n, e) {
if (n == e)
return null;
if (n.id != '')
return n;
if (n.covered)
return n.covered;
return page.draggable(n.parentNode, e);
}
/**
* Align a pos along a 9pixel grid.
*/
page.gridsnap = function(x) {
return Math.round(x / 9) * 9;
}
/**
* Bring an element and its parent to the top.
*/
page.bringtotop = function(n) {
n.parentNode.appendChild(n);
n.cover.parentNode.appendChild(n.cover);
}
/**
* Draw widget selection.
*/
page.widgetselect = function(n, s, wvalue, wcopy, wdelete) {
if (isNil(n) || !s) {
// Clear the widget value field
wvalue.value = '';
wvalue.disabled = true;
wvalue.style.visibility = 'hidden';
wcopy.disabled = true;
wdelete.disabled = true;
// Clear the widget outline
if (!isNil(n))
n.cover.style.borderWidth = '0px';
return true;
}
// Update the widget value field
wvalue.value = page.text(n);
wvalue.disabled = false;
wvalue.style.visibility = 'visible';
wcopy.disabled = false;
wdelete.disabled = false;
// Outline the widget
n.cover.style.borderWidth = '2px';
return true;
};
/**
* Cover a page element with a <span> element to prevent
* any input events to reach it.
*/
page.cover = function(e) {
if (e.id == '' || isNil(e.style))
return e;
var cover = document.createElement('div');
cover.style.position = 'absolute';
cover.style.left = ui.pixpos(ui.numpos(e.style.left) - 2);
cover.style.top = ui.pixpos(ui.numpos(e.style.top) - 2);
cover.style.width = ui.pixpos(e.clientWidth + 4);
cover.style.height = ui.pixpos(e.clientHeight + 4);
cover.style.visibility = 'inherit';
cover.style.borderStyle = 'solid';
cover.style.borderWidth = '0px';
cover.style.borderColor = '#598edd';
cover.style.padding = '0px';
cover.style.margin = '0px';
cover.covered = e;
e.cover = cover;
e.parentNode.appendChild(cover);
return e;
}
/**
* Clone a palette element.
*/
page.clone = function(e) {
/**
* Clone an element's HTML.
*/
function mkclone(e) {
var ne = document.createElement('span');
// Skip the palette: prefix
ne.id = 'page:' + e.id.substr(8);
// Copy the class and HTML content
ne.className = e.className;
ne.innerHTML = e.innerHTML;
// Fixup the widget style
page.fixupwidget(ne);
return ne;
}
/**
* Clone an element's position.
*/
function posclone(ne, e) {
ne.style.position = 'absolute';
ne.style.left = ui.pixpos(ui.numpos(e.style.left));
ne.style.top = ui.pixpos(ui.numpos(e.style.top));
e.parentNode.appendChild(ne);
page.cover(ne);
return ne;
}
return posclone(mkclone(e), e);
};
/**
* Return the page in an ATOM entry.
*/
function atompage(doc) {
var entry = atom.readATOMEntry(mklist(doc));
if (isNil(entry))
return mklist();
var content = namedElementChild("'content", car(entry));
if (content == null)
return mklist();
return elementChildren(content);
}
/**
* Track the current page saved XHTML content.
*/
var savedpagexhtml = '';
/**
* Track the current widget.
*/
var widget = null;
/**
* Get and display an app page.
*/
function getpage(name, ediv) {
if (isNil(name))
return false;
showStatus('Loading');
return pages.get(name, function(doc) {
// Stop now if we didn't get a page
if (doc == null) {
showStatus('No data');
return false;
}
showStatus(defaultStatus());
// Convert the page to XHTML and place it in a hidden buffer
var buffer = $('buffer');
var el = atompage(doc);
// Create a default empty page if necessary
if (isNil(el))
buffer.innerHTML = '<div id="page"></div>';
else
buffer.innerHTML = writeStrings(writeXML(el, false));
// Remove any existing page nodes from the editor div
var fnodes = filter(function(e) {
if (isNil(e.id) || e.id == '' || e.id.substr(0, 8) == 'palette:')
return false;
var x = ui.numpos(e.style.left) - 2500;
if (x < 0 || ui.numpos(e.style.top) < 0)
return false;
return true;
}, nodeList(ediv.childNodes));
map(function(e) {
ediv.removeChild(e);
}, fnodes);
// Append new page nodes to editor
map(function(e) {
ediv.appendChild(e);
if (!isNil(e.style))
e.style.left = ui.pixpos(ui.numpos(e.style.left) + 2500);
return page.cover(e);
}, nodeList(buffer.childNodes[0].childNodes));
savedpagexhtml = pagexhtml(ediv);
return true;
});
}
/**
* Handle add widget button click event.
*/
wadd.onclick = function(e) {
// Show the widget palette
ediv.style.left = ui.pixpos(0);
};
/**
* Return the current page XHTML content.
*/
function pagexhtml(ediv) {
// Copy page DOM to hidden buffer
var buffer = $('buffer');
buffer.innerHTML = '<div id="page"></div>'
var div = buffer.childNodes[0];
// Capture the nodes inside the page div
div.innerHTML = ediv.innerHTML;
var nodes = nodeList(div.childNodes);
map(function(e) {
div.removeChild(e);
return e;
}, nodes);
// Filter out palette and editor artifacts, which are not
// part of the page, as well as nodes positioned out the
// editing area
var fnodes = filter(function(e) {
if (isNil(e.id) || e.id == '' || e.id.substr(0, 8) == 'palette:')
return false;
var x = ui.numpos(e.style.left) - 2500;
if (x < 0 || ui.numpos(e.style.top) < 0)
return false;
return true;
}, nodes);
// Reposition nodes
map(function(e) {
var x = ui.numpos(e.style.left) - 2500;
e.style.left = ui.pixpos(x);
return e;
}, fnodes);
// Sort them by position
var snodes = fnodes.sort(function(a, b) {
var ay = ui.numpos(a.style.top);
var by = ui.numpos(b.style.top);
if (ay < by) return -1;
if (ay > by) return 1;
var ax = ui.numpos(a.style.left);
var bx = ui.numpos(b.style.left);
if (ax < bx) return -1;
if (ax > bx) return 1;
return 0;
});
// Append the sorted nodes back to the div in order
map(function(e) {
div.appendChild(e);
return e;
}, snodes);
// Convert the page to XHTML
var lxhtml = readXHTMLElement(div);
var xhtml = writeStrings(writeXML(lxhtml, false));
return xhtml;
}
/**
* Save the current page.
*/
function save(newxml) {
showStatus('Saving');
// Get the current page XHTML content
savedpagexhtml = newxml;
// 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">' +
newxml + '</content></entry>';
pages.put(appname, entry, function(e) {
if (e) {
showStatus('Local copy');
return false;
}
showStatus('Saved');
return false;
});
return true;
};
/**
* Handle a page change event
*/
function onpagechange(prop) {
var newxml = pagexhtml(ediv);
if (savedpagexhtml == newxml)
return false;
showStatus('Modified');
// Save property changes right away
if (prop)
return save(newxml);
// Autosave other changes after 1 second
setTimeout(function() {
if (savedpagexhtml == newxml) {
showStatus('Saved');
return false;
}
return save(newxml);
}, 1000);
return true;
}
/**
* Handle a widget select event.
*/
function onwidgetselect(w) {
if (w == widget)
return true;
widget = w;
function updateButton(b, v) {
b.style.color = v? '#000000' : '#808080';
}
updateButton(wdelete, !isNil(w));
updateButton(wcopy, !isNil(w));
return true;
}
/**
* Play page in a frame.
*/
function playpage() {
if (!evisible)
return true;
page.widgetselect(widget, false, wvalue, wcopy, wdelete);
page.selected = null;
wvalue.value = applink(appname);
pplay.innerHTML = '<';
evisible = false;
pdiv.style.visibility = 'visible';
pdiv.innerHTML = '';
pdiv.innerHTML = '<iframe id="playappframe" style="position: relative; height: 5000px; width: 2500px; border: 0px;" scrolling="no" frameborder="0" src="/' +
appname + '"></iframe>';
setTimeout(function() {
ediv.style.visibility = 'hidden'
}, 0);
return true;
}
/**
* Show the page editor.
*/
function showedit() {
if (evisible)
return true;
pplay.innerHTML = '>';
ediv.style.visibility = 'visible'
evisible = true;
page.widgetselect(widget, true, wvalue, wcopy, wdelete);
page.selected = widget;
setTimeout(function() {
pdiv.style.visibility = 'hidden';
pdiv.innerHTML = '';
}, 0);
return true;
}
/**
* Handle play page button event.
*/
pplay.onclick = function() {
if (!evisible)
return showedit();
return playpage();
}
// Initialize the page editor
page.edit(ediv, wvalue, wadd, wcopy, wdelete, onpagechange, onwidgetselect);
// Get and display the current app page
getpage(appname, ediv);
</script>
</div>
|
