Merge pull request #204 from ethereum/cleanup-udapp

Cleanup some bits of UDapp

assets/css/browser-solidity.css

@@ -305,16 +305,12 @@ body {
     content: "\25B6";
 }
 
-#output .poweredBy,
-#output .legend { display: none; }
-
 #output .udapp {
     border: 0 none;
     box-shadow: none;
     border-bottom: 3px solid #F4F6FF;
 }
 
-
 .crow {
     overflow: auto;
     display: block;

assets/css/universal-dapp.css

@@ -1,9 +1,8 @@
-
 .udapp {
 	padding: 1em;
 	border: 1px dotted #4D5686;
 	position: relative;
-	box-shadow: 0 0 5px rgba(0,0,0,0.3);
+	box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
 	box-sizing: border-box;
 	overflow: auto;
 }
@@ -25,7 +24,7 @@
 	width: 100%;
 	padding: 0.6em;
 	box-sizing: border-box;
-	border: 1px solid rgba( 0,0,0,0.3 );
+	border: 1px solid rgba(0, 0, 0, 0.3);
 	border-radius: 3px;
 }
 
@@ -55,7 +54,7 @@
 .udapp .title {
 	margin-bottom: 0.4em;
 	padding: 0.2em;
-	background-color: rgba( 255,255,255,0.5 );
+	background-color: rgba(255, 255, 255, 0.5);
 	display: block;
 	font-weight: bold;
 	padding-right: 2em;
@@ -90,7 +89,10 @@
 	white-space: pre;
 }
 
-.udapp .result { position: relative; }
+.udapp .result {
+	position: relative;
+}
+
 .udapp .output .result .returned,
 .udapp .output .result .value,
 .udapp .output .result .waiting,
@@ -100,14 +102,16 @@
 }
 
 .udapp .output .result .debugTx {
-    position: absolute;
-    top: 0.4em;
-    right: 1.4em;
-    height: 1.5em;
-    width: 2.5em;
+	position: absolute;
+	top: 0.4em;
+	right: 1.4em;
+	height: 1.5em;
+	width: 2.5em;
 }
 
-.udapp .output .result:last-child { margin: 0; }
+.udapp .output .result:last-child {
+	margin: 0;
+}
 
 .udapp .output:empty {
 	display: none;
@@ -162,13 +166,11 @@
 	content: "\25B6";
 }
 
-
 .udapp .contractProperty {
 	overflow: auto;
 	margin-bottom: 0.4em;
 }
 
-
 .udapp input,
 .udapp button {
 	width: 33%;
@@ -184,7 +186,10 @@
 	border-radius: 3px;
 }
 
-.udapp input { border-left: 0 none;}
+.udapp input {
+	border-left: 0 none;
+}
+
 .udapp button {
 	background-color: #666;
 	color: #4C4B4B;
@@ -269,9 +274,9 @@
 	white-space: pre;
 }
 
-.udapp .events .event .name { margin-right: 0.5em; }
-
-
+.udapp .events .event .name {
+	margin-right: 0.5em;
+}
 
 .udapp .legend {
 	font-size: 12px;
@@ -282,7 +287,9 @@
 .udapp .legend div {
 	display: inline-block;
 	margin-right: 0.5em;
+	margin-bottom: 1em;
 }
+
 .udapp .legend div:before {
 	content: ".";
 	color: transparent;
@@ -293,12 +300,14 @@
 	width: 1em;
 }
 
-.udapp .legend .attach:before { background-color: #62B762; }
-.udapp .legend .transact:before { background-color: #D42828; }
-.udapp .legend .call:before { background-color: #556DF3; }
+.udapp .legend .attach:before {
+	background-color: #62B762;
+}
 
-.udapp .poweredBy {
-	float: right;
-	color: #666;
-	font-size: 12px;
+.udapp .legend .transact:before {
+	background-color: #D42828;
+}
+
+.udapp .legend .call:before {
+	background-color: #556DF3;
 }

src/universal-dapp.js

@@ -135,6 +135,19 @@ UniversalDApp.prototype.getBalance = function (address, cb) {
 UniversalDApp.prototype.render = function () {
   var self = this;
 
+  // NOTE: don't display anything if there are no contracts to display
+  if (self.contracts.length === 0) {
+    return self.$el;
+  }
+
+  var $legend = $('<div class="legend" />')
+    .append($('<div class="attach"/>').text('Attach'))
+    .append($('<div class="transact"/>').text('Transact'))
+    .append($('<div class="call"/>').text('Call'));
+
+  self.$el.append($legend);
+
+  // NOTE: this might be used in the future
   if (self.contracts.length === 0) {
     self.$el.append(self.getABIInputForm());
   } else {
@@ -153,15 +166,7 @@ UniversalDApp.prototype.render = function () {
       self.$el.append(self.renderOutputModifier(self.contracts[c].name, $contractEl));
     }
   }
-  var $legend = $('<div class="legend" />')
-    .append($('<div class="attach"/>').text('Attach'))
-    .append($('<div class="transact"/>').text('Transact'))
-    .append($('<div class="call"/>').text('Call'));
 
-  self.$el.append($('<div class="poweredBy" />')
-    .html('<a href="http://github.com/d11e9/universal-dapp">Universal ÐApp</a> powered by The Blockchain'));
-
-  self.$el.append($legend);
   return self.$el;
 };
 
@@ -179,7 +184,7 @@ UniversalDApp.prototype.getABIInputForm = function (cb) {
   var self = this;
   var $el = $('<div class="udapp-setup" />');
   var $jsonInput = $('<textarea class="json" placeholder=\'[ { "name": name, "bytecode": bytecode, "interface": abi }, { ... } ]\'/>');
-  var $createButton = $('<button class="udapp-create"/>').text('Create a Universal ÐApp');
+  var $createButton = $('<button class="udapp-create"/>').text('Render ABI');
   $createButton.click(function (ev) {
     var contracts = $.parseJSON($jsonInput.val());
     if (cb) {