GUI -- Cleanup in sample view, toolbar and button services.

Change-Id: I8e1f2cc344547f1a76681d74eec138495dd39bf6

@@ -32,11 +32,11 @@
 .toggleButton,
 .radioSet {
     display: inline-block;
-    padding: 0 4px 0 4px;
+    padding: 0 4px;
 }
 .radioButton {
     display: inline-block;
-    padding: 0 2px 0 2px;
+    padding: 0 2px;
 }
 
 .button svg.embeddedIcon,

@@ -20,8 +20,10 @@
 (function () {
     'use strict';
 
+    // injected refs
     var $log, fs, is;
 
+    // configuration
     var btnSize = 25,
         btnPadding = 4;
 
@@ -178,7 +180,9 @@
     }
 
     angular.module('onosWidget')
-        .factory('ButtonService', ['$log', 'FnService', 'IconService',
+    .factory('ButtonService',
+        ['$log', 'FnService', 'IconService',
+
         function (_$log_, _fs_, _is_) {
             $log = _$log_;
             fs = _fs_;

@@ -161,6 +161,7 @@
             width: width
         }
     }
+
     function destroyToolbar(id) {
         ps.destroyPanel(id);
         tbarDiv = null;
@@ -170,14 +171,17 @@
         tbarPanel.show(cb);
         rotateArrowLeft();
     }
+
     function hide(cb) {
         tbarPanel.hide(cb);
         rotateArrowRight();
     }
+
     function toggleTools(cb) {
         if (tbarPanel.isVisible()) { hide(cb); }
         else { show(cb) }
     }
+
     function displayTools() {
         if (settings.shown) { show(); }
         else { hide(); }
@@ -187,6 +191,7 @@
         if (w) { tbarPanel.width(w); }
         return tbarPanel.width();
     }
+
     function addToWidth(size) {
         if (!(settings.width > (fs.windowSize(0, 500).width))) {
             settings.width = width() + size + btnPadding;
@@ -195,8 +200,9 @@
     }
 
     angular.module('onosWidget')
-        .factory('ToolbarService', ['$log', 'FnService',
-            'PanelService', 'ButtonService', 'IconService',
+    .factory('ToolbarService',
+        ['$log', 'FnService', 'PanelService', 'ButtonService', 'IconService',
+
         function (_$log_, _fs_, _ps_, _bns_, _is_) {
             $log = _$log_;
             fs = _fs_;

@@ -20,24 +20,31 @@
 
 (function () {
     'use strict';
-    var $log, tbs, flash,
-        togFnDiv, radFnP;
+
+    // injected refs
+    var $log, tbs, flash;
+
+    // internal state
+    var togFnDiv, radFnP;
 
     function btnFn() {
         flash.flash('Hi there friends!');
     }
+
     function togFn(display) {
-        if (display) { togFnDiv.style('display', 'block'); }
-        else { togFnDiv.style('display', 'none'); }
+        togFnDiv.style('display', display ? 'block' : 'none');
     }
+
     function checkFn() {
         radFnP.text('Checkmark radio button active.')
             .style('color', 'green');
     }
+
     function xMarkFn() {
         radFnP.text('Xmark radio button active.')
             .style('color', 'red');
     }
+
     function birdFn() {
         radFnP.text('Bird radio button active.')
             .style('color', '#369');
@@ -46,7 +53,10 @@
     angular.module('ovSample', ['onosUtil'])
         .controller('OvSampleCtrl', ['$log', 'ToolbarService', 'FlashService',
             function (_$log_, _tbs_, _flash_) {
-                var self = this;
+                var self = this,
+                    toolbar,
+                    rset;
+
                 $log = _$log_;
                 tbs = _tbs_;
                 flash = _flash_;
@@ -57,25 +67,26 @@
                     .append('div')
                     .text('Look at me!')
                     .style({
-                        'display': 'none',
-                        'color': 'rgb(204, 89, 81)',
+                        display: 'none',
+                        color: 'rgb(204, 89, 81)',
                         'font-size': '20pt'
                     });
+
                 radFnP = d3.select('#ov-sample')
                     .append('p')
                     .style('font-size', '16pt');
 
-                var toolbar = tbs.createToolbar('sample'),
+                toolbar = tbs.createToolbar('sample');
                 rset = [
                     { gid: 'checkMark', cb: checkFn },
                     { gid: 'xMark', cb: xMarkFn },
                     { gid: 'bird', cb: birdFn }
                 ];
+
                 toolbar.addButton('demo-button', 'crown', btnFn);
                 toolbar.addToggle('demo-toggle', 'chain', false, togFn);
                 toolbar.addSeparator();
                 toolbar.addRadioSet('demo-radio', rset);
-                toolbar.addSeparator();
 
              $log.log('OvSampleCtrl has been created');
         }]);