Support for changing component names and properties, and some edit improvements.

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1067563 13f79535-47bb-0310-9956-ffa450edef68

18 files changed, 614 insertions, 158 deletions

diff --git a/sca-cpp/trunk/modules/edit/apps/relay/app.html b/sca-cpp/trunk/modules/edit/apps/relay/app.html
index 31ef5db0be..1b255b8199 100644
--- a/sca-cpp/trunk/modules/edit/apps/relay/app.html
+++ b/sca-cpp/trunk/modules/edit/apps/relay/app.html
@@ -18,10 +18,10 @@
 -->
 <div id="page">
 
-<span id="html" style="position:absolute; left: 0px; top: 0px"><input type="button" value="Sample HTML Request"/></span>
-<span id="jsontwit" style="position:absolute; left: 0px; top: 40px"><input type="button" value="Sample Twitter JSON Request"/></span>
-<span id="xmltwit" style="position:absolute; left: 0px; top: 80px"><input type="button" value="Sample Twitter XML Request"/></span>
-<span id="rsstwit" style="position:absolute; left: 0px; top: 120px"><input type="button" value="Sample Twitter RSS Request"/></span>
-<span id="jsonfb" style="position:absolute; left: 0px; top: 160px"><input type="button" value="Sample Facebook JSON Request"/></span>
+<span id="html" class="button" style="position:absolute; left: 0px; top: 0px"><input type="button" value="Sample HTML Request"/></span>
+<span id="jsontwit" class="button" style="position:absolute; left: 0px; top: 40px"><input type="button" value="Sample Twitter JSON Request"/></span>
+<span id="xmltwit" class="button" style="position:absolute; left: 0px; top: 80px"><input type="button" value="Sample Twitter XML Request"/></span>
+<span id="rsstwit" class="button" style="position:absolute; left: 0px; top: 120px"><input type="button" value="Sample Twitter RSS Request"/></span>
+<span id="jsonfb" class="button" style="position:absolute; left: 0px; top: 160px"><input type="button" value="Sample Facebook JSON Request"/></span>
 
 </div>
diff --git a/sca-cpp/trunk/modules/edit/apps/store/app.html b/sca-cpp/trunk/modules/edit/apps/store/app.html
index ba64d84958..3a57127751 100644
--- a/sca-cpp/trunk/modules/edit/apps/store/app.html
+++ b/sca-cpp/trunk/modules/edit/apps/store/app.html
@@ -18,15 +18,15 @@
 -->
 <div id="page">
 
-<span id="storeh1" style="position:absolute; left: 0px; top: 0px"><h1>Store</h1></span>
-<span id="catalogh2" style="position:absolute; left: 0px; top: 40px"><h2>Catalog</h2></span>
-<span id="addToCart" style="position:absolute; left: 0px; top: 160px"><input type="button" value="Add to Cart"/></span>
+<span id="storeh1" class="h1" style="position:absolute; left: 0px; top: 0px"><h1>Store</h1></span>
+<span id="catalogh2" class="h2" style="position:absolute; left: 0px; top: 40px"><h2>Catalog</h2></span>
+<span id="addToCart" class="button" style="position:absolute; left: 0px; top: 160px"><input type="button" value="Add to Cart"/></span>
   
-<span id="carth2" style="position:absolute; left: 0px; top: 200px"><h2>Your Shopping Cart</h2></span>
-<span id="total" style="position:absolute; left: 0px; top: 300px"><span>total</span></span>
+<span id="carth2" class="h2" style="position:absolute; left: 0px; top: 200px"><h2>Your Shopping Cart</h2></span>
+<span id="total" class="text" style="position:absolute; left: 0px; top: 300px"><span>total</span></span>
 
-<span id="checkout" style="position:absolute; left: 0px; top: 340px"><input type="button" value="Checkout"/></span>
-<span id="empty" style="position:absolute; left: 120px; top: 340px"><input type="button" value="Empty"/></span>
-<span id="feed" style="position:absolute; left: 240px; top: 340px"><a href="shoppingCart/"><span>(feed)</span></a></span>
+<span id="checkout" class="button" style="position:absolute; left: 0px; top: 340px"><input type="button" value="Checkout"/></span>
+<span id="empty" class="button" style="position:absolute; left: 120px; top: 340px"><input type="button" value="Empty"/></span>
+<span id="feed" class="link" style="position:absolute; left: 240px; top: 340px"><a href="shoppingCart/"><span>(feed)</span></a></span>
 
 </div>
diff --git a/sca-cpp/trunk/modules/edit/apps/store2/app.html b/sca-cpp/trunk/modules/edit/apps/store2/app.html
index ba64d84958..3a57127751 100644
--- a/sca-cpp/trunk/modules/edit/apps/store2/app.html
+++ b/sca-cpp/trunk/modules/edit/apps/store2/app.html
@@ -18,15 +18,15 @@
 -->
 <div id="page">
 
-<span id="storeh1" style="position:absolute; left: 0px; top: 0px"><h1>Store</h1></span>
-<span id="catalogh2" style="position:absolute; left: 0px; top: 40px"><h2>Catalog</h2></span>
-<span id="addToCart" style="position:absolute; left: 0px; top: 160px"><input type="button" value="Add to Cart"/></span>
+<span id="storeh1" class="h1" style="position:absolute; left: 0px; top: 0px"><h1>Store</h1></span>
+<span id="catalogh2" class="h2" style="position:absolute; left: 0px; top: 40px"><h2>Catalog</h2></span>
+<span id="addToCart" class="button" style="position:absolute; left: 0px; top: 160px"><input type="button" value="Add to Cart"/></span>
   
-<span id="carth2" style="position:absolute; left: 0px; top: 200px"><h2>Your Shopping Cart</h2></span>
-<span id="total" style="position:absolute; left: 0px; top: 300px"><span>total</span></span>
+<span id="carth2" class="h2" style="position:absolute; left: 0px; top: 200px"><h2>Your Shopping Cart</h2></span>
+<span id="total" class="text" style="position:absolute; left: 0px; top: 300px"><span>total</span></span>
 
-<span id="checkout" style="position:absolute; left: 0px; top: 340px"><input type="button" value="Checkout"/></span>
-<span id="empty" style="position:absolute; left: 120px; top: 340px"><input type="button" value="Empty"/></span>
-<span id="feed" style="position:absolute; left: 240px; top: 340px"><a href="shoppingCart/"><span>(feed)</span></a></span>
+<span id="checkout" class="button" style="position:absolute; left: 0px; top: 340px"><input type="button" value="Checkout"/></span>
+<span id="empty" class="button" style="position:absolute; left: 120px; top: 340px"><input type="button" value="Empty"/></span>
+<span id="feed" class="link" style="position:absolute; left: 240px; top: 340px"><a href="shoppingCart/"><span>(feed)</span></a></span>
 
 </div>
diff --git a/sca-cpp/trunk/modules/edit/apps/store3/app.html b/sca-cpp/trunk/modules/edit/apps/store3/app.html
index ba64d84958..3a57127751 100644
--- a/sca-cpp/trunk/modules/edit/apps/store3/app.html
+++ b/sca-cpp/trunk/modules/edit/apps/store3/app.html
@@ -18,15 +18,15 @@
 -->
 <div id="page">
 
-<span id="storeh1" style="position:absolute; left: 0px; top: 0px"><h1>Store</h1></span>
-<span id="catalogh2" style="position:absolute; left: 0px; top: 40px"><h2>Catalog</h2></span>
-<span id="addToCart" style="position:absolute; left: 0px; top: 160px"><input type="button" value="Add to Cart"/></span>
+<span id="storeh1" class="h1" style="position:absolute; left: 0px; top: 0px"><h1>Store</h1></span>
+<span id="catalogh2" class="h2" style="position:absolute; left: 0px; top: 40px"><h2>Catalog</h2></span>
+<span id="addToCart" class="button" style="position:absolute; left: 0px; top: 160px"><input type="button" value="Add to Cart"/></span>
   
-<span id="carth2" style="position:absolute; left: 0px; top: 200px"><h2>Your Shopping Cart</h2></span>
-<span id="total" style="position:absolute; left: 0px; top: 300px"><span>total</span></span>
+<span id="carth2" class="h2" style="position:absolute; left: 0px; top: 200px"><h2>Your Shopping Cart</h2></span>
+<span id="total" class="text" style="position:absolute; left: 0px; top: 300px"><span>total</span></span>
 
-<span id="checkout" style="position:absolute; left: 0px; top: 340px"><input type="button" value="Checkout"/></span>
-<span id="empty" style="position:absolute; left: 120px; top: 340px"><input type="button" value="Empty"/></span>
-<span id="feed" style="position:absolute; left: 240px; top: 340px"><a href="shoppingCart/"><span>(feed)</span></a></span>
+<span id="checkout" class="button" style="position:absolute; left: 0px; top: 340px"><input type="button" value="Checkout"/></span>
+<span id="empty" class="button" style="position:absolute; left: 120px; top: 340px"><input type="button" value="Empty"/></span>
+<span id="feed" class="link" style="position:absolute; left: 240px; top: 340px"><a href="shoppingCart/"><span>(feed)</span></a></span>
 
 </div>
diff --git a/sca-cpp/trunk/modules/edit/apps/travel/app.html b/sca-cpp/trunk/modules/edit/apps/travel/app.html
index e83ec5aedd..f016acfe51 100644
--- a/sca-cpp/trunk/modules/edit/apps/travel/app.html
+++ b/sca-cpp/trunk/modules/edit/apps/travel/app.html
@@ -18,7 +18,7 @@
 -->
 <div id="page">
 
-<span id="header" style="position:absolute; left: 0px; top: 0px"><h1>Welcome to SCATours Online Travel</h1></span>
-<span id="book" style="position:absolute; left: 0px; top: 60px"><input type="button" value="Book a Trip"/></span>
+<span id="header" class="h1" style="position:absolute; left: 0px; top: 0px"><h1>Welcome to SCATours Online Travel</h1></span>
+<span id="book" class="button" style="position:absolute; left: 0px; top: 60px"><input type="button" value="Book a Trip"/></span>
 
 </div>
diff --git a/sca-cpp/trunk/modules/edit/htdocs/app/app.html b/sca-cpp/trunk/modules/edit/htdocs/app/app.html
index 7a6330102a..7d95dcdd63 100644
--- a/sca-cpp/trunk/modules/edit/htdocs/app/app.html
+++ b/sca-cpp/trunk/modules/edit/htdocs/app/app.html
@@ -29,18 +29,31 @@
 </head>  
 <body>
 
-<div style="position: absolute; top: 0px; left: 0px; right: 0px;">
+<div id="bodydiv" style="position: absolute; top: 0px; left: 0px; right: 0px;">
 
-<table width="100%">
-<tr><th><span id="appname"></span><span style="padding-top: 0px; padding-bottom:0px; position: absolute; top: 2px; right: 8px;"><input type="button" id="saveButton" style="font-weight: bold;" Value="Save"/></span></th></tr>
+<table style="width: 100%;">
+<tr>
+<th class="thl thr">Properties</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]</span>
+<input type="button" id="saveButton" style="font-weight: bold;" Value="Save"/>
+</th>
+</tr>
 </table>
 <br>
 
 <div>
 <form id="appForm">
-<table width="100%">
+<table style="width: 100%;">
 <tr><tr><td><b>App Title:</b></td></tr>
 <tr><td><input type="text" id="appTitle" size="30"/></td></tr>
+<tr><tr><td><b>Category:</b></td></tr>
+<tr><td><input type="text" id="appCategory" size="15" value="Cool Apps"/></td></tr>
+<tr><tr><td><b>Updated:</b></td></tr>
+<tr><td><span id="appUpdated">Feb 4, 2011</span></td></tr>
+<tr><tr><td><b>Description:</b></td></tr>
+<tr><td><textarea id="appDescription" cols="30" rows="5">Enter a short description of your app here</textarea></td></tr>
 </table>
 </form>
 </div>
@@ -48,6 +61,7 @@
 </div>
 
 <script type="text/javascript">
+if (ui.isIE()) $('bodydiv').style.right = -20;
 
 // Init service references
 var editWidget = sca.component("EditWidget");
@@ -57,7 +71,7 @@ var dashboard = sca.reference(editWidget, "dashboard");
  * The current app name.
  */
 var appname = ui.queryParams()['app'];
-$('appname').innerHTML = 'App: ' + appname;
+$('source').innerHTML = '[<a href="/apps/' + appname + '">atom</a>]';
 
 /**
  * Get and display an app.
diff --git a/sca-cpp/trunk/modules/edit/htdocs/app/index.html b/sca-cpp/trunk/modules/edit/htdocs/app/index.html
index f79229d17e..b4478dc8dd 100644
--- a/sca-cpp/trunk/modules/edit/htdocs/app/index.html
+++ b/sca-cpp/trunk/modules/edit/htdocs/app/index.html
@@ -38,6 +38,9 @@ var appname = ui.queryParams()['app'];
 ui.loadwidget('menu', '/menu.html?app=' + appname);
 </script>
 
+<h1>App Edit <span id="appNameHeader" style="font-weight: normal;"></span></h1>
+<br/>
+
 <div id="app"></div>
 
 <script type="text/javascript">
@@ -52,6 +55,8 @@ function editapp(name) {
 }
 
 // Display the editor for the current app
+document.title = 'App - ' + appname;
+$('appNameHeader').innerHTML = ' - ' + appname;
 editapp(appname);
 
 </script>
diff --git a/sca-cpp/trunk/modules/edit/htdocs/dash/dashboard.html b/sca-cpp/trunk/modules/edit/htdocs/dash/dashboard.html
index 5b5d758f31..11c0b95979 100644
--- a/sca-cpp/trunk/modules/edit/htdocs/dash/dashboard.html
+++ b/sca-cpp/trunk/modules/edit/htdocs/dash/dashboard.html
@@ -29,21 +29,22 @@
 </head>  
 <body>
 
-<div style="position: absolute; top: 0px; left: 0px; right: 0px;">
+<div id="bodydiv" style="position: absolute; top: 0px; left: 0px; right: 0px;">
 
 <div id="apps"></div>
 <br/>
 <input type="button" id="createAppButton" value="Create App"/>
+<br/>
+<br/>
 
 <div id="newApp" style="visibility: hidden;">
-<form id="newAppForm">
-<table width="100%">
-<tr><th>Create an App</th></tr>
+<table style="width: 100%;">
+<tr><th class="thl thr">Create an App</th></tr>
 <tr><td></td></tr>
 </table>
-<br>
+<br/>
 
-<table width="100%">
+<table style="width: 100%;">
 <tr><td><b>App Name:</b></td></tr>
 <tr><td><input type="text" id="appName" size="10"/></td></tr>
 <tr><tr><td><b>App Title:</b></td></tr>
@@ -53,12 +54,13 @@
 <input id="createAppCancelButton" type="button" value="Cancel"/>
 </td></tr>
 </table>
-</form>
 </div>
 
 </div>
 
 <script type="text/javascript">
+if (ui.isIE()) $('bodydiv').style.right = -20;
+
 // Init service references
 var editWidget = sca.component("EditWidget");
 var dashboard = sca.reference(editWidget, "dashboard");
@@ -68,8 +70,13 @@ var dashboard = sca.reference(editWidget, "dashboard");
  */
 function getapps(sync) {
     function display(doc) {
-        var apps = '<table width="100%">';
-        apps += '<tr><th>App</th><th>Title</th></tr>';
+        var apps = '<table style="width: 100%;">';
+        apps += '<tr><th class="thl thr">App</th>' +
+            '<th class="thr thl">Title</th>' +
+            '<th class="thr thl" style="padding-top: 4px; padding-bottom: 4px; padding-right: 2px; text-align: right;">' +
+            '<span style="font-weight: normal;">' + 
+            '[<a href="/dashboard">atom</a> <a href="/dashboardcache/joe@localhost">json</a>]' +
+            '</span></th></tr>';
 
         var entries = cddr(atom.readATOMFeedDocument(doc));
         for (var i = 0; i < length(entries); i++) {
@@ -84,7 +91,7 @@ function getapps(sync) {
             apps += '<tr>';
             //apps += '<td><input name="apps" type="checkbox" value="' + name + '">' + '<a href=\"' + '/app/?app=' + name + '\">' + name + '</a></td>';
             apps += '<td><a href=\"' + '/app/?app=' + name + '\" target=\"_parent\">' + name + '</a></td>';
-            apps += '<td class="tdw">' + title + '</td>';
+            apps += '<td class="tdw" colspan="2">' + title + '</td>';
             apps += '</tr>';
         }
         apps += '</table>';
@@ -104,8 +111,7 @@ function getapps(sync) {
  * Display create app form.
  */
 $('createAppButton').onclick = function() {
-    var div = $('newApp');
-    div.style.visibility = 'visible';
+    $('newApp').style.visibility = 'visible';
     $('appName').focus();
     return false;
 };
@@ -130,8 +136,7 @@ $('createAppOKButton').onclick = function() {
  * Cancel creating an app.
  */
 $('createAppCancelButton').onclick = function() {
-    var div = $('newApp');
-    div.style.visibility = 'hidden';
+    $('newApp').style.visibility = 'hidden';
     $('appName').value = '';
     $('appTitle').title = '';
     return false;
diff --git a/sca-cpp/trunk/modules/edit/htdocs/dash/index.html b/sca-cpp/trunk/modules/edit/htdocs/dash/index.html
index d3add792d6..834bca6201 100644
--- a/sca-cpp/trunk/modules/edit/htdocs/dash/index.html
+++ b/sca-cpp/trunk/modules/edit/htdocs/dash/index.html
@@ -35,6 +35,9 @@
 ui.loadwidget('menu', '/menu.html');
 </script>
 
+<h1>App Edit</h1>
+<br/>
+
 <div id="dashboard"></div>
 
 <script type="text/javascript">
diff --git a/sca-cpp/trunk/modules/edit/htdocs/graph/graph.html b/sca-cpp/trunk/modules/edit/htdocs/graph/graph.html
index 1572262627..3ca104a122 100644
--- a/sca-cpp/trunk/modules/edit/htdocs/graph/graph.html
+++ b/sca-cpp/trunk/modules/edit/htdocs/graph/graph.html
@@ -30,15 +30,31 @@
 </head>  
 <body>
 
-<div style="position: absolute; top: 0px; left: 0px; right: 0px;">
+<div id="bodydiv" style="position: absolute; top: 0px; left: 0px; right: 0px;">
 
-<table width="100%">
-<tr><th style="width: 338px;">Components</th><th style="padding-top: 0px; padding-bottom: 0px;"><span id="appname"></span><span style="position: absolute; top: 2px; right: 8px;"><input type="button" id="saveButton" style="font-weight: bold;" Value="Save"/></span></th></tr>
+<table style="width: 100%;">
+<tr>
+<th class="thl" style="width: 330px; min-width: 330px;">Palette</th><th class="ths" style="width: 3px; min-width: 3px;"></th>
+
+<th class="thr" style="padding-top: 0px; padding-bottom: 0px;">
+<input id="compName" type="text" value="component name" style="position: relative; width: 200px;"/>
+<input id="propValue" type="text" value="property value" 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="Save"/>
+</th>
+</tr>
+
+<tr style="height: 5000px;"><td class="tdl"></td><th class="ths"></th><td class="tdr" colspan="2"></td></tr>
 </table>
 
 </div>
 
 <script type="text/javascript">
+if (ui.isIE()) $('bodydiv').style.right = -20;
+
 var editWidget = sca.component("EditWidget");
 var palettes = sca.reference(editWidget, "palettes");
 var apps = sca.reference(editWidget, "apps");
@@ -50,7 +66,7 @@ var apps = sca.reference(editWidget, "apps");
  * The current app name.
  */
 var appname = ui.queryParams()['app'];
-$('appname').innerHTML = 'Composition: ' + appname;
+$('source').innerHTML = '[<a href="/apps/' + appname + '">atom</a> <a href="/appcache/' + appname + '/app.composite">json</a>]';
 
 /**
  * The current app composite.
@@ -122,17 +138,17 @@ $('saveButton').onclick = function(e) {
 };
 
 // Create editor graph area
-var g = graph.mkgraph(graph.mkpath().move(0,50));
+var g = graph.mkgraph(graph.mkpath().move(0,40), $('compName'), $('propValue'));
 var bg = graph.mkgroup(graph.mkpath());
 
-// Install the palettes.
+// Install the palettes
 var gpalettes = new Array();
-var spalette = 'variables';
-installpalette('variables', graph.mkpath().move(0,10), g, bg, spalette, gpalettes);
-installpalette('control', graph.mkpath().move(0,80), g, bg, spalette, gpalettes);
-installpalette('operators', graph.mkpath().move(0,150), g, bg, spalette, gpalettes);
-installpalette('social', graph.mkpath().move(0,220), g, bg, spalette, gpalettes);
-installpalette('sensors', graph.mkpath().move(0,290), g, bg, spalette, gpalettes);
+var spalette = 'values';
+installpalette('values', graph.mkpath().move(0,10), g, bg, spalette, gpalettes);
+installpalette('control', graph.mkpath().move(0,60), g, bg, spalette, gpalettes);
+installpalette('operators', graph.mkpath().move(0,110), g, bg, spalette, gpalettes);
+installpalette('social', graph.mkpath().move(0,160), g, bg, spalette, gpalettes);
+installpalette('sensors', graph.mkpath().move(0,210), g, bg, spalette, gpalettes);
 
 // Get and display the current app
 getapp(appname, g);
diff --git a/sca-cpp/trunk/modules/edit/htdocs/graph/graph.js b/sca-cpp/trunk/modules/edit/htdocs/graph/graph.js
index 8c0419c8bd..e73c178267 100644
--- a/sca-cpp/trunk/modules/edit/htdocs/graph/graph.js
+++ b/sca-cpp/trunk/modules/edit/htdocs/graph/graph.js
@@ -31,6 +31,7 @@ graph.colors.black = '#000000';
 graph.colors.blue = '#0000ff';
 graph.colors.cyan = '#00ffff';
 graph.colors.gray = '#808080'
+graph.colors.lightgray = '#dcdcdc'
 graph.colors.green = '#00ff00';
 graph.colors.magenta = '#ff00ff';
 graph.colors.orange = '#ffa500';
@@ -101,7 +102,7 @@ if (ui.isIE()) {
     /**
      * Make a VML graph.
      */
-    graph.mkgraph = function(pos) {
+    graph.mkgraph = function(pos, cname, pvalue) {
 
         // Create div element to host the graph
         var div = document.createElement('div');
@@ -118,8 +119,9 @@ if (ui.isIE()) {
         vmlg.coordsize = '5000,5000';
         div.appendChild(vmlg);
 
-        // Keep track of the current dragged element
+        // Track element dragging and selection
         graph.dragging = null;
+        graph.selected = null;
 
         /**
          * Find the first draggable element in a hierarchy of elements.
@@ -140,18 +142,25 @@ if (ui.isIE()) {
 
             // Find draggable element
             graph.dragging = draggable(window.event.srcElement);
-            if (graph.dragging == null)
+            graph.selected = graph.dragging;
+            if (graph.dragging == null) {
+
+                // Reset current selection
+                cname.value = '';
+                pvalue.value = '';
                 return false;
+            }
 
             // Clone component from the palette
-            if (graph.dragging.id.substring(0, 8) == 'palette:')
-                graph.dragging = graph.clonepalette(graph.dragging);
+            var compos = scdl.composite(vmlg.compos);
+            if (graph.dragging.id.substring(0, 8) == 'palette:') {
+                graph.dragging = graph.clonepalette(graph.dragging, compos);
+                graph.selected = graph.dragging;
+            }
 
             // Cut wire to component
-            if (graph.dragging.parentNode != vmlg) {
-                var compos = scdl.composite(vmlg.compos);
+            if (graph.dragging.parentNode != vmlg)
                 setElement(compos, graph.cutwire(graph.dragging, compos, vmlg));
-            }
 
             // Bring component to the top
             graph.bringtotop(graph.dragging, vmlg);
@@ -160,6 +169,10 @@ if (ui.isIE()) {
             graph.dragX = window.event.clientX;
             graph.dragY = window.event.clientY;
             vmlg.setCapture();
+
+            // Update the component name and property value fields
+            cname.value = graph.selected.id;
+            pvalue.value = graph.property(graph.selected.comp);
             return false;
         };
 
@@ -172,7 +185,11 @@ if (ui.isIE()) {
 
             if (graph.dragging.parentNode == vmlg && graph.dragging.id.substring(0, 8) != 'palette:') {
                 var gpos = graph.relpos(graph.dragging);
-                if (pos.xpos() >= 350) {
+                if (gpos.xpos() >= 330) {
+
+                    // If component close enough to editing area, move it there
+                    if (gpos.xpos() < 350)
+                        graph.move(graph.dragging, graph.mkpath().move(350, gpos.ypos()));
 
                     // Add new dragged component to the composite
                     if (isNil(graph.dragging.compos)) {
@@ -198,6 +215,11 @@ if (ui.isIE()) {
                         var compos = scdl.composite(vmlg.compos);
                         setElement(compos, graph.removecomp(graph.dragging.comp, compos));
                     }
+
+                    // Reset current selection
+                    graph.selected = null;
+                    cname.value = '';
+                    pvalue.value = '';
                 }
             }
 
@@ -205,10 +227,8 @@ if (ui.isIE()) {
             graph.dragging = null;
             vmlg.releaseCapture();
 
-            // Remove and refresh the composite
-            map(function(n) { if (!isNil(n.comp) && n.id.substr(0, 8) != 'palette:') { vmlg.removeChild(n); } return n; }, nodeList(vmlg.childNodes));
-            graph.display(graph.composite(vmlg.compos, graph.mkpath().move(350,0)), vmlg);
-
+            // Refresh the composite
+            graph.refresh(vmlg);
             return false;
         };
 
@@ -238,8 +258,38 @@ if (ui.isIE()) {
             return false;
         };
 
+        /**
+         * Handle field on change events.
+         */
+        cname.onchange = function() {
+            if (graph.selected == null)
+                return false;
+
+            // Change component name and refactor references to it
+            var compos = scdl.composite(svg.compos);
+            cname.value = graph.ucid(cname.value, compos);
+            graph.selected.id = cname.value;
+            setElement(compos, graph.renamecomp(graph.selected.comp, compos, cname.value));
+
+            // Refresh the composite
+            graph.refresh(svg);
+            return false;
+        };
+
+        pvalue.onchange = function() {
+            if (graph.selected == null)
+                return false;
+
+            // Change the component property value
+            graph.setproperty(graph.selected.comp, pvalue.value);
+
+            // Refresh the composite
+            graph.refresh(svg);
+            return false;
+        };
+
         // Create hidden spans to help compute the width of
-        // component and reference titles
+        // component, reference and property titles
         graph.comptitlewidthdiv = document.createElement('span');
         graph.comptitlewidthdiv.style.visibility = 'hidden'
         graph.comptitlewidthdiv.style.fontWeight = 'bold'
@@ -249,6 +299,10 @@ if (ui.isIE()) {
         graph.reftitlewidthdiv.style.visibility = 'hidden'
         div.appendChild(graph.reftitlewidthdiv);
 
+        graph.proptitlewidthdiv = document.createElement('span');
+        graph.proptitlewidthdiv.style.visibility = 'hidden'
+        div.appendChild(graph.proptitlewidthdiv);
+
         return vmlg;
     };
 
@@ -293,9 +347,10 @@ if (ui.isIE()) {
      */
     graph.mktitle = function(t, bold, pos) {
         var title = document.createElement('v:textbox');
+        title.style.position = 'absolute';
         title.style.left = pos.xpos();
         title.style.top = pos.ypos();
-        title.style.position = 'absolute';
+        title.inset = '' + 4 + 'px ' + pos.ypos() + 'px 0px 0px';
         if (bold)
             title.style.fontWeight = 'bold';
         var tnode = document.createTextNode(t);
@@ -325,6 +380,27 @@ if (ui.isIE()) {
     };
 
     /**
+     * Return an element representing the value of a property.
+     */
+    graph.proptitle = function(comp) {
+        var tsvcs = graph.tsvcs(comp);
+        var lsvcs = graph.lsvcs(comp);
+        var pos = graph.mkpath().move(isNil(lsvcs)? 5 : 25, isNil(tsvcs)? 20 : 40);
+        return graph.mktitle(graph.property(comp), false, pos);
+    };
+
+    /**
+     * Return the width of the value of a property.
+     */
+    graph.proptitlewidth = function(comp) {
+        var t = graph.property(comp);
+        graph.proptitlewidthdiv.innerHTML = t;
+        var twidth = graph.proptitlewidthdiv.offsetWidth;
+        graph.proptitlewidthdiv.innerHTML = '';
+        return twidth;
+    };
+
+    /**
      * Return an element representing the title of a reference.
      */
     graph.reftitle = function(ref) {
@@ -347,8 +423,9 @@ if (ui.isIE()) {
      */
     graph.compnode = function(comp, cassoc, pos) {
 
-        // Make the component title element
+        // Make the component and property title elements
         var title = graph.comptitle(comp);
+        var prop = graph.proptitle(comp);
 
         // Compute the component shape path
         var path = graph.comppath(comp, cassoc);
@@ -388,13 +465,14 @@ if (ui.isIE()) {
         g.style.top = pos.ypos();
         g.appendChild(shape);
         shape.appendChild(title);
+        shape.appendChild(prop);
         g.appendChild(contour)
 
         // Store the component and the positions of its services
         // and references in the component shape
         g.comp = comp;
-        g.refpos = path.refpos;
-        g.svcpos = path.svcpos;
+        g.refpos = reverse(path.refpos);
+        g.svcpos = reverse(path.svcpos);
 
         return g;
     };
@@ -426,7 +504,7 @@ if (ui.isIE()) {
         shape.style.height = 5000;
         shape.coordsize = '5000,5000';
         shape.path = path;
-        shape.fillcolor = graph.colors.blue1;
+        shape.fillcolor = graph.colors.lightgray;
         shape.stroked = 'false';
 
         // Create an overlay contour shape
@@ -484,7 +562,7 @@ if (ui.isIE()) {
     /**
      * Make an SVG graph.
      */
-    graph.mkgraph = function(pos) {
+    graph.mkgraph = function(pos, cname, pvalue) {
 
         // Create a div element to host the graph
         var div = document.createElement('div');
@@ -501,8 +579,9 @@ if (ui.isIE()) {
         svg.style.width = 5000;
         div.appendChild(svg);
 
-        // Keep track of current dragged element
+        // Track element dragging and selection
         graph.dragging = null;
+        graph.selected = null;
 
         /**
          * Find the first draggable element in a hierarchy of elements.
@@ -526,18 +605,25 @@ if (ui.isIE()) {
 
             // Find draggable component
             graph.dragging = draggable(e.target);
-            if (graph.dragging == null)
+            graph.selected = graph.dragging;
+            if (graph.dragging == null) {
+
+                // Reset current selection
+                cname.value = '';
+                pvalue.value = '';
                 return false;
+            }
 
             // Clone component from the palette
-            if (graph.dragging.id.substring(0, 8) == 'palette:')
-                graph.dragging = graph.clonepalette(graph.dragging);
+            var compos = scdl.composite(svg.compos);
+            if (graph.dragging.id.substring(0, 8) == 'palette:') {
+                graph.dragging = graph.clonepalette(graph.dragging, compos);
+                graph.selected = graph.dragging;
+            }
 
             // Cut wire to component
-            if (graph.dragging.parentNode != svg) {
-                var compos = scdl.composite(svg.compos);
+            if (graph.dragging.parentNode != svg)
                 setElement(compos, graph.cutwire(graph.dragging, compos, svg));
-            }
 
             // Bring component to the top
             graph.bringtotop(graph.dragging, svg);
@@ -546,6 +632,10 @@ if (ui.isIE()) {
             var pos = typeof e.touches != "undefined" ? e.touches[0] : e;
             graph.dragX = pos.screenX;
             graph.dragY = pos.screenY;
+
+            // Update the component name and property value fields
+            cname.value = graph.selected.id;
+            pvalue.value = graph.property(graph.selected.comp);
             return false;
         };
 
@@ -561,7 +651,11 @@ if (ui.isIE()) {
 
             if (graph.dragging.parentNode == svg && graph.dragging.id.substring(0, 8) != 'palette:') {
                 var gpos = graph.relpos(graph.dragging);
-                if (gpos.xpos() >= 350) {
+                if (gpos.xpos() >= 330) {
+
+                    // If component close enough to editing area, move it there
+                    if (gpos.xpos() < 350)
+                        graph.move(graph.dragging, graph.mkpath().move(350, gpos.ypos()));
 
                     // Add new dragged component to the composite
                     if (isNil(graph.dragging.compos)) {
@@ -587,16 +681,19 @@ if (ui.isIE()) {
                         var compos = scdl.composite(svg.compos);
                         setElement(compos, graph.removecomp(graph.dragging.comp, compos));
                     }
+
+                    // Reset current selection
+                    graph.selected = null;
+                    cname.value = '';
+                    pvalue.value = '';
                 }
             }
 
             // Forget current dragged component
             graph.dragging = null;
 
-            // Remove and refresh the composite
-            map(function(n) { if (!isNil(n.comp) && n.id.substr(0, 8) != 'palette:') { svg.removeChild(n); } return n; }, nodeList(svg.childNodes));
-            graph.display(graph.composite(svg.compos, graph.mkpath().move(350,0)), svg);
-
+            // Refresh the composite
+            graph.refresh(svg);
             return false;
         };
 
@@ -645,6 +742,36 @@ if (ui.isIE()) {
         window.ontouchmove = window.onmousemove;
         window.top.ontouchmove = window.onmousemove;
 
+        /**
+         * Handle field on change events.
+         */
+        cname.onchange = function() {
+            if (graph.selected == null)
+                return false;
+
+            // Change component name and refactor references to it
+            var compos = scdl.composite(svg.compos);
+            cname.value = graph.ucid(cname.value, compos);
+            graph.selected.id = cname.value;
+            setElement(compos, graph.renamecomp(graph.selected.comp, compos, cname.value));
+
+            // Refresh the composite
+            graph.refresh(svg);
+            return false;
+        };
+        
+        pvalue.onchange = function() {
+            if (graph.selected == null)
+                return false;
+
+            // Change the component property value
+            graph.setproperty(graph.selected.comp, pvalue.value);
+
+            // Refresh the composite
+            graph.refresh(svg);
+            return false;
+        };
+
         // Create a hidden SVG element to help compute the width
         // of component and reference titles
         graph.titlewidthsvg = document.createElementNS(graph.svgns, 'svg');
@@ -743,12 +870,33 @@ if (ui.isIE()) {
     };
 
     /**
+     * Return an element representing the value of a property.
+     */
+    graph.proptitle = function(comp) {
+        var title = graph.mktitle(graph.property(comp), false);
+        title.setAttribute('y', 30);
+        return title;
+    };
+
+    /**
+     * Return the width of the title of a property.
+     */
+    graph.proptitlewidth = function(comp) {
+        var title = graph.proptitle(comp);
+        graph.titlewidthsvg.appendChild(title);
+        var width = title.getBBox().width;
+        graph.titlewidthsvg.removeChild(title);
+        return width;
+    };
+
+    /**
      * Return a node representing a component.
      */
     graph.compnode = function(comp, cassoc, pos) {
 
-        // Make the component title
+        // Make the component and property title elements
         var title = graph.comptitle(comp);
+        var prop = graph.proptitle(comp);
 
         // Compute the path of the component shape
         var path = graph.comppath(comp, cassoc);
@@ -775,6 +923,7 @@ if (ui.isIE()) {
         g.appendChild(shape);
         g.appendChild(contour);
         g.appendChild(title);
+        g.appendChild(prop);
 
         // Store the component and the positions of its services
         // and references in the component shape
@@ -808,7 +957,7 @@ if (ui.isIE()) {
         // Create the main button shape
         var shape = document.createElementNS(graph.svgns, 'path');
         shape.setAttribute('d', path);
-        shape.setAttribute('fill', graph.colors.blue1);
+        shape.setAttribute('fill', graph.colors.lightgray);
 
         // Create an overlay contour shape
         var contour = document.createElementNS(graph.svgns, 'path');
@@ -873,7 +1022,30 @@ graph.bringtotop = function(n, g) {
  */
 graph.title = function(e) {
     var d = scdl.documentation(e);
-    return d != null? d : scdl.name(e);
+    if (d != null)
+        return d;
+    return scdl.name(e);
+};
+
+/**
+ * Return the property value of a SCDL component.
+ */
+graph.property = function(e) {
+    var p = scdl.properties(e);
+    if (isNil(p))
+        return '';
+    return scdl.propertyValue(car(p));
+};
+
+/**
+ * Change the property value of a SCDL component.
+ */
+graph.setproperty = function(e, value) {
+    var p = scdl.properties(e);
+    if (isNil(p))
+        return '';
+    setElement(car(p), mklist(element, "'property", mklist(attribute, "'name", "property"), value));
+    return value;
 };
 
 /**
@@ -1040,7 +1212,7 @@ graph.rrefswidth = function(refs, cassoc) {
  */
 graph.compwidth = function(comp, cassoc) {
     return memo(comp, 'width', function() {
-        var twidth = graph.comptitlewidth(comp) + 20;
+        var twidth = Math.max(graph.comptitlewidth(comp), graph.proptitlewidth(comp)) + 20;
         var tsvcs = graph.tsvcs(comp);
         var tsvcsw = Math.max(1, length(tsvcs)) * 60 + 20;
         var brefs = graph.brefs(comp);
@@ -1176,7 +1348,7 @@ graph.comppath = function(comp, cassoc) {
  * Return a path representing a button node.
  */
 graph.buttonpath = function(t) {
-    var height = 60;
+    var height = 40;
     var width = 120;
     var path = graph.mkpath().move(10,0);
     path = path.line(width - 10,path.ypos()).rcurve(10,0,0,10);
@@ -1352,14 +1524,39 @@ graph.composite = function(compos, pos) {
 };
 
 /**
+ * Return a component unique id.
+ */
+graph.ucid = function(prefix, compos) {
+
+    // Build an assoc list keyed by component name
+    var comps = map(function(c) { return mklist(scdl.name(c), c); }, namedElementChildren("'component", compos));
+
+    /**
+     * Find a free component id.
+     */
+    function ucid(p, id) {
+        if (isNil(assoc(p + id, comps)))
+            return p + id;
+        return ucid(p, id + 1);
+    }
+
+    if (isNil(assoc(prefix, comps)))
+        return prefix;
+
+    return ucid(prefix == ''? 'comp' : prefix, 2);
+};
+
+/**
  * Clone a palette component node.
  */
-graph.clones = 0;
-graph.clonepalette = function(e) {
+graph.clonepalette = function(e, compos) {
 
     // Clone the SCDL component and give it a unique name
-    var comp = append(mklist(element, "'component", mklist(attribute, "'name", scdl.name(e.comp) + (++graph.clones))),
+    var comp = append(mklist(element, "'component", mklist(attribute, "'name", graph.ucid(scdl.name(e.comp), compos))),
                 filter(function(c) { return !(isAttribute(c) && attributeName(c) == "'name")}, elementChildren(e.comp)));
+    var x = '<composite xmlns:t="http://tuscany.apache.org/xmlns/sca/1.1">' + writeXML(mklist(comp), false) + '</composite>';
+    var compos = readXML(mklist(x));
+    comp = car(scdl.components(compos));
 
     // Make a component node
     var gcomp = graph.compnode(comp, mklist(), graph.mkpath());
@@ -1396,6 +1593,41 @@ graph.removecomp = function(comp, compos) {
 };
 
 /**
+ * Rename a component.
+ */
+graph.renamecomp = function(comp, compos, name) {
+
+    /**
+     * Refactor references to a component.
+     */
+    function refactorrefs(refs, oname, nname) {
+        if (isNil(refs))
+            return true;
+        var ref = car(refs);
+        if (scdl.target(ref) != oname)
+            return refactorrefs(cdr(refs), oname, nname);
+
+        // Change the reference's target attribute
+        setElement(ref, append(mklist(element, "'reference"), append(filter(function(e) { return !(isAttribute(e) && attributeName(e) == "'target"); }, elementChildren(ref)), mklist(mklist(attribute, "'target", nname)))));
+
+        return refactorrefs(cdr(refs), oname, nname);
+    }
+
+    // Refactor all the references to the renamed component
+    var oname = scdl.name(comp);
+    map(function(c) { return refactorrefs(scdl.references(c), oname, name); }, namedElementChildren("'component", compos));
+
+    // Rename the SCDL promoted service and component
+    var proms = filter(function(s) { return scdl.name(s) == oname }, scdl.services(compos));
+    if (!isNil(proms)) {
+        setElement(car(proms), mklist(element, "'service", mklist(attribute, "'name", name), mklist(attribute, "'promote", name)));
+    }
+    setElement(comp, append(mklist(element, "'component"), cons(mklist(attribute, "'name", name), filter(function(e) { return !(isAttribute(e) && attributeName(e) == "'name"); }, elementChildren(comp)))));
+
+    return append(mklist(element, "'composite"), elementChildren(compos));
+};
+
+/**
  * Cut the wire to a component node and make that node a
  * top level component node.
  */
@@ -1429,7 +1661,6 @@ graph.cutwire = function(node, compos, g) {
     return append(mklist(element, "'composite"), append(filter(function(c) {return !(isElement(c) && scdl.name(c) == name); }, elementChildren(compos)), mklist(prom, comp)));
 }
 
-
 /**
  * Wire a component to the closest neighbor reference.
  */
@@ -1513,10 +1744,21 @@ graph.display = function(nodes, g) {
 };
 
 /**
+ * Refresh a graph.
+ */
+graph.refresh = function(g) {
+
+    // Remove nodes and redisplay the composite associated with the graph
+    map(function(n) { if (!isNil(n.comp) && n.id.substr(0, 8) != 'palette:') { g.removeChild(n); } return n; }, nodeList(g.childNodes));
+    graph.display(graph.composite(g.compos, graph.mkpath().move(350,0)), g);
+    return g;
+};
+
+/**
  * Display and enable editing of a composite and the graphical
  * nodes that represent it.
  */
-graph.edit = function(compos, nodes, g) {
+graph.edit = function(compos, nodes, g, cname, pvalue) {
 
     // Store the composite in the graphical canvas
     g.compos = compos;
diff --git a/sca-cpp/trunk/modules/edit/htdocs/graph/index.html b/sca-cpp/trunk/modules/edit/htdocs/graph/index.html
index dbe16d06bf..ac9cf2f3b1 100644
--- a/sca-cpp/trunk/modules/edit/htdocs/graph/index.html
+++ b/sca-cpp/trunk/modules/edit/htdocs/graph/index.html
@@ -38,6 +38,9 @@ var appname = ui.queryParams()['app'];
 ui.loadwidget('menu', '/menu.html?app=' + appname);
 </script>
 
+<h1>App Edit <span id="appNameHeader" style="font-weight: normal;"></span></h1>
+<br/>
+
 <div id="graph"></div>
 
 <script type="text/javascript">
@@ -55,6 +58,8 @@ function editapp(name) {
 }
 
 // Display the editor for the current app
+document.title = 'Composition - ' + appname;
+$('appNameHeader').innerHTML = ' - ' + appname;
 editapp(appname);
 
 </script>
diff --git a/sca-cpp/trunk/modules/edit/htdocs/index.html b/sca-cpp/trunk/modules/edit/htdocs/index.html
index db5764781a..6a4c055295 100644
--- a/sca-cpp/trunk/modules/edit/htdocs/index.html
+++ b/sca-cpp/trunk/modules/edit/htdocs/index.html
@@ -18,7 +18,7 @@
 -->
 <html>
 <head>
-<title>App Edit Tools</title>
+<title>App Edit</title>
 <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0"/> 
 <meta name="apple-mobile-web-app-capable" content="yes"/>
 <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent"/>
@@ -35,8 +35,7 @@
 ui.loadwidget('menu', '/menu.html');
 </script>
 
-<br/>
-<h1>App Edit Tools</h1>
+<h1>App Edit</h1>
 <br/>
 
 <div id="main"></div>
diff --git a/sca-cpp/trunk/modules/edit/htdocs/main.html b/sca-cpp/trunk/modules/edit/htdocs/main.html
index 65909c1a94..819af53c52 100644
--- a/sca-cpp/trunk/modules/edit/htdocs/main.html
+++ b/sca-cpp/trunk/modules/edit/htdocs/main.html
@@ -24,9 +24,10 @@
 </head>  
 <body>
 
-<div style="position: absolute; top: 0px; left: 0px; right: 0px;">
+<div id="bodydiv" style="position: absolute; top: 0px; left: 0px; right: 0px;">
 
-<div>This module implements simple tools to help you create Tuscany apps.</div>
+<div>This module implements simple App editing tools to help you create Tuscany apps.</div>
+<div>The user interface is minimalistic, by design.</div>
 <br/>
 
 <h2>App Dashboard</h2>
@@ -36,12 +37,16 @@
 <p>Try the <a href="app/?app=store" target="_parent">App Editor</a> to edit an app.</p>
 
 <h2>Composition Editor</h2>
-<p>Try the <a href="graph/?app=store" target="_parent">Composition Editor</a> to compose an app.</p>
+<p>Try the <a href="graph/?app=store" target="_parent">Composition Editor</a> to compose the logic of an app.</p>
 
 <h2>Page Editor</h2>
 <p>Try the <a href="page/?app=store" target="_parent">Page Editor</a> to draw an app page.</p>
 
 </div>
 
+<script type="text/javascript">
+if (ui.isIE()) $('bodydiv').style.right = -20;
+</script>
+
 </body>
 </html>
diff --git a/sca-cpp/trunk/modules/edit/htdocs/page/index.html b/sca-cpp/trunk/modules/edit/htdocs/page/index.html
index f8bfa273c7..23aeeb9e2a 100644
--- a/sca-cpp/trunk/modules/edit/htdocs/page/index.html
+++ b/sca-cpp/trunk/modules/edit/htdocs/page/index.html
@@ -38,6 +38,9 @@ var appname = ui.queryParams()['app'];
 ui.loadwidget('menu', '/menu.html?app=' + appname);
 </script>
 
+<h1>App Edit <span id="appNameHeader" style="font-weight: normal;"></span></h1>
+<br/>
+
 <div id="page"></div>
 
 <script type="text/javascript">
@@ -55,6 +58,8 @@ function editapp(name) {
 }
 
 // Display the editor for the current app
+document.title = 'Page - ' + appname;
+$('appNameHeader').innerHTML = ' - ' + appname;
 editapp(appname);
 
 </script>
diff --git a/sca-cpp/trunk/modules/edit/htdocs/page/page.html b/sca-cpp/trunk/modules/edit/htdocs/page/page.html
index d0a26fdad0..f3fdb9def7 100644
--- a/sca-cpp/trunk/modules/edit/htdocs/page/page.html
+++ b/sca-cpp/trunk/modules/edit/htdocs/page/page.html
@@ -30,24 +30,38 @@
 </head>  
 <body>
 
-<div style="position: absolute; top: 0px; left: 0px; right: 0px;">
+<div id="bodydiv" style="position: absolute; top: 0px; left: 0px; right: 0px;">
 
-<table width="100%">
-<tr><th style="width: 338px;">Widgets</th><th style="padding-top: 0px; padding-bottom: 0px;"><span id="appname"></span><span style="position: absolute; top: 2px; right: 8px;"><input type="button" id="saveButton" style="font-weight: bold;" Value="Save"/></span></th></tr>
+<table style="width: 100%;">
+<tr>
+<th class="thl thr" style="width: 330px; min-width: 330px;">Palette</th><th class="ths" style="width: 3px; min-width: 3px;"></th>
+
+<th class="thl thr" style="padding-top: 0px; padding-bottom: 0px;">
+<input id="widgetName" type="text" value="widget name" style="position: relative; width: 150px;"/>
+<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="Save"/>
+</th>
+</tr>
+
+<tr style="height: 5000px;"><td class="tdl"></td><th class="ths"></th><td class="tdr" colspan="2"></td></tr>
 </table>
 
-<div id="page" style="position: absolute; top: 60px; left: 0px; width: 5000px; height: 5000px;">
+<div id="page" style="position: absolute; top: 40px; left: 0px; width: 5000px; height: 5000px;">
 
-<span id="palette:h1" style="position: absolute; left: 0px; top: 0px;"><h1>Header1</h1></span>
-<span id="palette:h2" style="position: absolute; left: 0px; top: 40px;"><h2>Header2</h2></span>
-<span id="palette:button" style="position: absolute; left: 0px; top: 80px;"><input type="button" value="button"/></span>
-<span id="palette:entry" style="position: absolute; left: 0px; top: 120px;"><input type="text" value="field" size="5"/></span>
-<span id="palette:password" style="position: absolute; left: 0px; top: 160px;"><input type="password" value="password" size="5"/></span>
-<span id="palette:checkbox" style="position: absolute; left: 0px; top: 200px;"><input type="checkbox" value="checkbox"></input><span>checkbox</span></span>
-<span id="palette:select" style="position: absolute; left: 0px; top: 240px;"><select><option value="list">list</option></select></span>
-<span id="palette:link" style="position: absolute; left: 0px; top: 280px;"><a href="/"><span>link</span></a></span>
-<span id="palette:text" style="position: absolute; left: 0px; top: 320px;"><span>text</span></span>
-<span id="palette:img" style="position: absolute; left: 0px; top: 360px;"><img/></span>
+<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"></input><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>
 
@@ -57,6 +71,8 @@
 </div>
 
 <script type="text/javascript">
+if (ui.isIE()) $('bodydiv').style.right = -20;
+
 var editWidget = sca.component("EditWidget");
 var pages = sca.reference(editWidget, "pages");
 
@@ -64,7 +80,7 @@ var pages = sca.reference(editWidget, "pages");
  * The current app name.
  */
 var appname = ui.queryParams()['app'];
-$('appname').innerHTML = 'Page: ' + appname;
+$('source').innerHTML = '[<a href="/pages/' + appname + '">atom</a> <a href="/appcache/' + appname + '/app.html">json</a>]';
 
 /**
  * Return the page in an ATOM entry.
@@ -142,7 +158,7 @@ $('saveButton').onclick = function(e) {
 
 // Initialize the page editor
 var edit = $('page');
-page.initpage(edit);
+page.edit(edit, $('widgetName'), $('widgetText'));
 
 // Get and display the current app page
 getpage(appname, edit);
diff --git a/sca-cpp/trunk/modules/edit/htdocs/page/page.js b/sca-cpp/trunk/modules/edit/htdocs/page/page.js
index 4628ec1235..41273d9824 100644
--- a/sca-cpp/trunk/modules/edit/htdocs/page/page.js
+++ b/sca-cpp/trunk/modules/edit/htdocs/page/page.js
@@ -27,10 +27,11 @@ if (ui.isIE()) {
     /**
      * Init a page editor. IE-specific implementation.
      */
-    page.initpage = function(elem) {
+    page.edit = function(elem, wname, wtext) {
 
-        // Keep track of the current dragged element
+        // Track element dragging and selection
         page.dragging = null;
+        page.selected = null;
 
         /**
          * Handle a mouse down event.
@@ -40,8 +41,20 @@ if (ui.isIE()) {
 
             // Find a draggable element
             page.dragging = page.draggable(window.event.srcElement, elem);
-            if (page.dragging == null)
+            page.selected = page.dragging;
+            if (page.dragging == null) {
+
+                // Reset current selection
+                wname.value = '';
+                wtext.value = '';
                 return false;
+            }
+
+            // Clone element dragged from palette
+            if (page.dragging.id.substring(0, 8) == 'palette:') {
+                page.dragging = page.clone(page.dragging);
+                page.selected = page.dragging;
+            }
 
             // Bring it to the top
             page.bringtotop(page.dragging);
@@ -50,6 +63,10 @@ if (ui.isIE()) {
             page.dragX = window.event.clientX;
             page.dragY = window.event.clientY;
             elem.setCapture();
+
+            // Update the widget name and text fields
+            wname.value = page.selected.id;
+            wtext.value = page.text(page.selected);
             return false;
         };
 
@@ -61,8 +78,21 @@ if (ui.isIE()) {
                 return false;
 
             // Discard element dragged out of page area
-            if (ui.csspos(page.dragging.style.left) < 350 && page.dragging.id.substring(0, 8) != 'palette:')
-                page.dragging.parentNode.removeChild(page.dragging);
+            if (ui.csspos(page.dragging.style.left) < 350 && page.dragging.id.substring(0, 8) != 'palette:') {
+                if (ui.csspos(page.dragging.style.left) >= 330) {
+
+                    // Unless it's close enough to page area, then move it there
+                    page.dragging.style.left = 350;
+                    page.dragging.cover.style.left = 350;
+                } else {
+                    page.dragging.parentNode.removeChild(page.dragging);
+
+                    // Reset current selection
+                    page.selected = null;
+                    wname.value = '';
+                    wtext.value = '';
+                }
+            }
 
             // Forget current dragged element
             page.dragging = null;
@@ -91,16 +121,29 @@ if (ui.isIE()) {
             else
                 newY = 0;
 
-            // Clone element dragged from palette
-            if (page.dragging.id.substring(0, 8) == 'palette:')
-                page.dragging = page.clone(page.dragging);
-
             // Move dragged element
             page.dragging.style.left = newX;
             page.dragging.style.top = newY;
             page.dragging.cover.style.left = newX;
             page.dragging.cover.style.top = newY;
+            return false;
+        };
+
+        /**
+         * Handle field on change events.
+         */
+        wname.onchange = wname.onblur = function() {
+            if (page.selected == null)
+                return false;
+            page.selected.id = wname.value;
+            return false;
+        };
 
+        wtext.onchange = wtext.onblur = function() {
+            if (page.selected == null)
+                return false;
+            page.settext(page.selected, wtext.value);
+            return false;
         };
 
         // Cover child elements with span elements to prevent
@@ -115,8 +158,11 @@ if (ui.isIE()) {
     /**
      * Init a page editor. Generic implementation for all other browsers.
      */
-    page.initpage = function(elem) {
+    page.edit = function(elem, wname, wtext) {
+
+        // Track element dragging and selection
         page.dragging = null;
+        page.selected = null;
 
         /**
          * Handle a mouse down event.
@@ -129,8 +175,20 @@ if (ui.isIE()) {
 
             // Find a draggable element
             page.dragging = page.draggable(e.target, elem);
-            if (page.dragging == null)
+            page.selected = page.dragging;
+            if (page.dragging == null) {
+
+                // Reset current selection
+                wname.value = '';
+                wtext.value = '';
                 return false;
+            }
+
+            // Clone element dragged from palette
+            if (page.dragging.id.substring(0, 8) == 'palette:') {
+                page.dragging = page.clone(page.dragging);
+                page.selected = page.dragging;
+            }
 
             // Bring it to the top
             page.bringtotop(page.dragging);
@@ -139,6 +197,10 @@ if (ui.isIE()) {
             var pos = typeof e.touches != "undefined" ? e.touches[0] : e;
             page.dragX = pos.screenX;
             page.dragY = pos.screenY;
+
+            // Update the widget name and text fields
+            wname.value = page.selected.id;
+            wtext.value = page.text(page.selected);
             return false;
         };
 
@@ -152,9 +214,22 @@ if (ui.isIE()) {
             if (page.dragging == null)
                 return false;
 
-            // Discard element if dragged out of page area
-            if (ui.csspos(page.dragging.style.left) < 350 && page.dragging.id.substring(0, 8) != 'palette:')
-                page.dragging.parentNode.removeChild(page.dragging);
+            // Discard element dragged out of page area
+            if (ui.csspos(page.dragging.style.left) < 350 && page.dragging.id.substring(0, 8) != 'palette:') {
+                if (ui.csspos(page.dragging.style.left) >= 330) {
+
+                    // Unless it's close enough to page area, then move it there
+                    page.dragging.style.left = 350;
+                    page.dragging.cover.style.left = 350;
+                } else {
+                    page.dragging.parentNode.removeChild(page.dragging);
+
+                    // Reset current selection
+                    page.selected = null;
+                    wname.value = '';
+                    wtext.value = '';
+                }
+            }
 
             // Forget dragged element
             page.dragging = null;
@@ -188,11 +263,6 @@ if (ui.isIE()) {
             else
                 newY = 0;
 
-            // Clone element dragged from palette
-            if (page.dragging.id.substring(0, 8) == 'palette:') {
-                page.dragging = page.clone(page.dragging);
-            }
-
             // Move the dragged element
             page.dragging.style.left = newX;
             page.dragging.style.top = newY;
@@ -206,6 +276,23 @@ if (ui.isIE()) {
         window.ontouchmove = window.onmousemove;
         window.top.ontouchmove = window.onmousemove;
 
+        /**
+         * Handle field on change events.
+         */
+        wname.onchange = wname.onblue = function() {
+            if (page.selected == null)
+                return false;
+            page.selected.id = wname.value;
+            return false;
+        };
+
+        wtext.onchange = wtext.onblur = function() {
+            if (page.selected == null)
+                return false;
+            page.settext(page.selected, wtext.value);
+            return false;
+        };
+
         // Cover child elements with span elements to prevent
         // any input events to reach them
         map(page.cover, nodeList(elem.childNodes));
@@ -215,6 +302,51 @@ if (ui.isIE()) {
 }
 
 /**
+ * Return the text of a widget.
+ */
+page.text = function(e) {
+    if (e.className == 'h1' || e.className == 'h2' || e.className == 'text')
+        return e.childNodes[0].innerHTML;
+    if (e.className == 'button' || e.className == 'entry' || e.className == 'password' || e.className == 'checkbox')
+        return e.childNodes[0].value;
+    if (e.className == 'list')
+        return e.childNodes[0].childNodes[0].value;
+    if (e.className == 'link')
+        return e.childNodes[0].childNodes[0].innerHTML;
+    return '';
+};
+
+/**
+ * Set the text of a widget.
+ */
+page.settext = function(e, t) {
+    if (e.className == 'h1' || e.className == 'h2' || e.className == 'text') {
+        e.childNodes[0].innerHTML = t;
+        return t;
+    }
+    if (e.className == 'button' || e.className == 'entry' || e.className == 'password') {
+        e.childNodes[0].value = t;
+        return t;
+    }
+    if (e.className == 'checkbox') {
+        e.childNodes[0].value = t;
+        map(function(n) { if (n.nodeName == "SPAN") n.innerHTML = t; return n; }, nodeList(e.childNodes));
+        return t;
+    }
+    if (e.className == 'list') {
+        e.childNodes[0].childNodes[0].value = t;
+        e.childNodes[0].childNodes[0].innerHTML = t;
+        return t;
+    }
+    if (e.className == 'link') {
+        e.childNodes[0].childNodes[0].href = t;
+        e.childNodes[0].childNodes[0].innerHTML = t;
+        return t;
+    }
+    return '';
+};
+
+/**
  * Find a draggable element in a hierarchy of elements.
  */
 page.draggable = function(n, e) {
@@ -269,7 +401,8 @@ page.clone = function(e) {
         // Skip the palette: prefix
         ne.id = e.id.substr(8);
 
-        // Copy the HTML content
+        // Copy the class and HTML content
+        ne.className = e.className;
         ne.innerHTML = e.innerHTML;
         return ne;
     }
diff --git a/sca-cpp/trunk/modules/edit/palettes/variables/palette.composite b/sca-cpp/trunk/modules/edit/palettes/values/palette.composite
index 1d10027f95..9a9ed0f087 100644
--- a/sca-cpp/trunk/modules/edit/palettes/variables/palette.composite
+++ b/sca-cpp/trunk/modules/edit/palettes/values/palette.composite
@@ -19,54 +19,62 @@
 -->
 <composite xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912"
   xmlns:t="http://tuscany.apache.org/xmlns/sca/1.1"
-  targetNamespace="http://variables"
+  targetNamespace="http://values"
   name="palette">
         
     <service name="number" promote="number"/>
     <service name="text" promote="text"/>
-    <service name="set" promote="set"/>
+    <service name="nothing" promote="nothing"/>
     <service name="list" promote="list"/>
     <service name="first" promote="first"/>
     <service name="rest" promote="rest"/>
+    <service name="append" promote="append"/>
 
     <component name="number" t:color="orange1">
         <t:implementation.python script="number.py"/>
         <service name="number"/>
+        <property name="property">0</property>
     </component>
     
     <component name="text" t:color="orange1">
         <t:implementation.python script="text.py"/>
         <service name="text"/>
+        <property name="property">abc</property>
     </component>
     
-    <component name="set" t:color="orange1">
-        <documentation>set variable</documentation>
-        <t:implementation.python script="set.py"/>
-        <service name="set"/>
-        <reference name="value"/>
-        <reference name="variable"/>
+    <component name="nothing" t:color="orange1">
+        <t:implementation.python script="text.py"/>
+        <service name="nothing"/>
     </component>
     
     <component name="list" t:color="orange1">
-        <documentation>make a list</documentation>
+        <documentation>list</documentation>
         <t:implementation.python script="list_.py"/>
         <service name="list"/>
-        <reference name="first"/>
         <reference name="rest"/>
+        <property name="property">abc</property>
     </component>
     
     <component name="first" t:color="orange1">
-        <documentation>first of a list</documentation>
+        <documentation>first of list</documentation>
         <t:implementation.python script="first.py"/>
         <service name="first"/>
         <reference name="value"/>
     </component>
     
     <component name="rest" t:color="orange1">
-        <documentation>rest of a list</documentation>
+        <documentation>rest of list</documentation>
         <t:implementation.python script="rest.py"/>
         <service name="rest"/>
         <reference name="value"/>
     </component>
     
+    <component name="append" t:color="orange1">
+        <documentation>append lists</documentation>
+        <t:implementation.python script="list_.py"/>
+        <service name="append"/>
+        <reference name="first"/>
+        <reference name="second"/>
+    </component>
+    
 </composite>