Add a side menu for sub-snippets

Subsnippets can be added to snippets as an additional property "subsnippets" which is an array of more snippets.

client/homebrew/editor/snippetbar/snippetbar.jsx

@@ -163,15 +163,22 @@ const SnippetGroup = createClass({
 			onSnippetClick : function(){},
 		};
 	},
-	handleSnippetClick : function(snippet){
+	handleSnippetClick : function(e, snippet){
+		e.stopPropagation();
 		this.props.onSnippetClick(execute(snippet.gen, this.props.brew));
 	},
-	renderSnippets : function(){
-		return _.map(this.props.snippets, (snippet)=>{
-			return <div className='snippet' key={snippet.name} onClick={()=>this.handleSnippetClick(snippet)}>
+	renderSnippets : function(snippets){
+		return _.map(snippets, (snippet)=>{
+			return <div className='snippet' key={snippet.name} onClick={(e)=>this.handleSnippetClick(e, snippet)}>
 				<i className={snippet.icon} />
 				{snippet.name}
+				{snippet.subsnippets && <>
+					<i className='fas fa-caret-right'></i>
+					<div className='dropdown side'>
+						{this.renderSnippets(snippet.subsnippets)}
+					</div></>}
 			</div>;
+
 		});
 	},
 
@@ -182,7 +189,7 @@ const SnippetGroup = createClass({
 				<span className='groupName'>{this.props.groupName}</span>
 			</div>
 			<div className='dropdown'>
-				{this.renderSnippets()}
+				{this.renderSnippets(this.props.snippets)}
 			</div>
 		</div>;
 	},

client/homebrew/editor/snippetbar/snippetbar.less

@@ -83,7 +83,7 @@
 	.snippetGroup{
 		border-right   : 1px solid black;
 		&:hover{
-			.dropdown{
+			&>.dropdown{
 				visibility : visible;
 			}
 		}
@@ -97,15 +97,29 @@
 			background-color : #ddd;
 			.snippet{
 				.animate(background-color);
+				width     : max-content;
 				padding   : 5px;
 				cursor    : pointer;
 				font-size : 10px;
 				i{
 					margin-right : 8px;
 					font-size    : 1.2em;
+					&~i{
+						margin-right: 0;
+						margin-left: 8px;
+					}
 				}
 				&:hover{
 					background-color : #999;
+					&>.dropdown{
+						visibility : visible;
+						&.side {
+							left: 100%;
+							top: 0%;
+							margin-left:0;
+							box-shadow: -1px 1px 2px 0px #999;
+						}
+					}
 				}
 			}
 		}