Added footnote support

botanjs/src/Astro/Blog/AstroEdit/Visualizer/Snippet/Footnote.css

@@ -0,0 +1,3 @@
+.v_boundary[data-type="Footnote"] {
+	color: #f15a24;
+}

botanjs/src/Astro/Blog/AstroEdit/Visualizer/Snippet/Footnote.js

@@ -0,0 +1,97 @@
+(function ()
+{
+	var ns = __namespace( "Astro.Blog.AstroEdit.Visualizer.Snippet" );
+
+	/** @type {System.utils.IKey} */
+	var IKey                              = __import( "System.utils.IKey" );
+	/** @type {System.utils.DataKey} */
+	var DataKey                           = __import( "System.utils.DataKey" );
+	/** @type {Dandelion.IDOMElement} */
+	var IDOMElement                       = __import( "Dandelion.IDOMElement" );
+	/** @type {Dandelion} */
+	var Dand                              = __import( "Dandelion" );
+	/** @type {Components.MessageBox} */
+	var MessageBox                        = __import( "Components.MessageBox" );
+
+	var escapeStr = ns[ NS_INVOKE ]( "escapeStr" );
+
+	var footnote = function (insertSnippet, snippetWrap, createContext, override)
+	{
+		var temp, i, j
+		
+		, handler = function ()
+		{
+			// Input fields
+			var v_snippetInput = Dand.wrap( "textarea", null, "v_snippet_input" );
+			
+			if ( this._stage )
+			{
+				v_snippetInput.value = this._mText;
+			}
+			
+			// Popup MessageBox
+			new MessageBox(
+				"Insert Footnote"
+				, v_snippetInput
+				, "OK", "Cancel"
+				, visualizer.bind({ mText: v_snippetInput, stage: this._stage })
+			).show();
+		}
+		
+		, visualizer = function (submitted, override)
+		{
+			
+			var mText, stage = this.stage;
+			
+			mText = override ? override.value : this.mText.value;
+			
+			if (submitted && mText)
+			{
+				if (!stage)
+				{
+					// Visualize component
+					temp = Dand.wrapne( "span", "^", [
+						new DataKey( "value", mText )
+					]);
+
+					insertSnippet(
+						j = snippetWrap( "Footnote", temp, false, "span" )
+						, Boolean( override )
+					);
+				}
+				else
+				{
+					IDOMElement( stage ).setAttribute(new DataKey( "value", mText ));
+					temp = stage;
+				}
+				
+				i = { _mText: mText, _stage: temp };
+				
+				// Set context menu
+				createContext( i, j, handler );
+			}
+		};
+		
+		if ( override )
+		{
+			visualizer( true, override );
+			override = false;
+		}
+		else
+		{
+			return handler;
+		}
+		return true;
+	
+	};
+	
+	var compile = function (stage)
+	{
+		// [footnote][/footnote]
+		return "[footnote]" + escapeStr( IDOMElement(stage).getDAttribute("value") ) + "[/footnote]";
+	};
+
+	__static_method( footnote, "compile", compile );
+
+	ns[ NS_EXPORT ]( EX_CLASS, "Footnote", footnote );
+})();