diff options
author | jsdelfino <jsdelfino@13f79535-47bb-0310-9956-ffa450edef68> | 2012-01-30 15:56:11 +0000 |
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committer | jsdelfino <jsdelfino@13f79535-47bb-0310-9956-ffa450edef68> | 2012-01-30 15:56:11 +0000 |
commit | f4c4803ce0c14585e3c2af3641d94b651877e04c (patch) | |
tree | 9f10df32f2d34a3c697aaee897bad0b180922095 /sca-cpp/trunk/hosting/server/htdocs/page/index.html | |
parent | 1b10f18fce6baeb721a725661ded630614831304 (diff) |
Refactor server hosting module, rename it and move it under a hosting dir, and refactor its datastore components into a single component.
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1237740 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sca-cpp/trunk/hosting/server/htdocs/page/index.html')
-rw-r--r-- | sca-cpp/trunk/hosting/server/htdocs/page/index.html | 987 |
1 files changed, 987 insertions, 0 deletions
diff --git a/sca-cpp/trunk/hosting/server/htdocs/page/index.html b/sca-cpp/trunk/hosting/server/htdocs/page/index.html new file mode 100644 index 0000000000..9482cb4e32 --- /dev/null +++ b/sca-cpp/trunk/hosting/server/htdocs/page/index.html @@ -0,0 +1,987 @@ +<!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> |