Some drafts

2016-03-13 03:30:33 +08:00
commit d6bbf245c6
5 changed files with 454 additions and 0 deletions
@@ -0,0 +1,163 @@
+(function(){
+	var ns = __namespace( "Components.Vim" );
+
+	/** @type {Dandelion} */
+	var Dand                                    = __import( "Dandelion" );
+	/** @type {Dandelion.IDOMElement} */
+	var IDOMElement                             = __import( "Dandelion.IDOMElement" );
+	/** @type {Dandelion.IDOMObject} */
+	var IDOMObject                              = __import( "Dandelion.IDOMObject" );
+	/** @type {System.utils.DataKey} */
+	var DataKey                                 = __import( "System.utils.DataKey" );
+	/** @type {System.Cycle} */
+	var Cycle                                   = __import( "System.Cycle" );
+	/** @type {System.Debug} */
+	var debug                                   = __import( "System.Debug" );
+
+	/** @type {Components.VimArea.LineFeeder} */
+	var LineFeeder = ns[ NS_INVOKE ]( "LineFeeder" );
+	var StatusBar = ns[ NS_INVOKE ]( "StatusBar" );
+
+	var KeyHandler = function( sender, handler )
+	{
+		return function( e )
+		{
+			e = e || window.event;
+			if ( e.keyCode ) code = e.keyCode;
+			else if ( e.which ) code = e.which;
+
+			handler( sender, e );
+		};
+	};
+
+	var VimControls = function( sender, e )
+	{
+		e.preventDefault();
+		if( e.ctrlKey )
+		{
+			VimComboFunc( sender, e );
+			return;
+		}
+
+		var kCode = e.KeyCode + ( e.shiftKey ? 1000 : 0 );
+		switch( e.KeyCode )
+		{
+			case 65: // a
+			case 1065: // A
+				break;
+			case 72: // h
+			case 1072: // H
+				break;
+			case 74: // j
+			case 1074: // J
+				break;
+			case 75: // k
+			case 1075: // K
+				break;
+			case 76: // l
+			case 1076: // L
+				break;
+			case 1053: // %
+			case 1054: // ^
+				break;
+		}
+	};
+
+	/* stage @param {Dandelion.IDOMElement} */
+	var VimArea = function( stage )
+	{
+		if( !stage ) return;
+
+		var element = stage.element;
+
+		if( element.nodeName != "TEXTAREA" )
+		{
+			debug.Error( "Element is not compatible for VimArea" );
+			return;
+		}
+
+		stage.setAttribute( new DataKey( "vimarea", 1 ) );
+
+		this.stage = stage;
+		this.rows = element.rows;
+		this.cols = element.cols;
+
+		this.PosX = 1;
+		this.PosY = 1;
+
+		stage.addEventListener( "KeyDown", KeyHandler( this, VimControls ) );
+
+		// Init
+		this.content = element.value;
+		this.VisualizeVimFrame();
+	};
+
+	VimArea.prototype.startInput = function( mode )
+	{
+		
+	};
+
+	VimArea.prototype.cursor = function( x, y )
+	{
+		return this.__cursor();
+	};
+
+	VimArea.prototype.flashCursor = function()
+	{
+		var _self = this;
+		var textarea = this.stage.element;
+		Cycle.perma( "VimCursorFlashCycle", function()
+		{
+			var cursor = _self.cursor();
+			if( cursor )
+			{
+				textarea.selectionStart = cursor.start;
+				textarea.selectionEnd = cursor.end;
+			}
+		}, 600 );
+	};
+
+	VimArea.prototype.VisualizeVimFrame = function()
+	{
+		var element = this.stage.element;
+		var r = this.rows;
+		var c = this.cols;
+
+		// Content feeder
+		var cfeeder = new LineFeeder( r, c );
+
+		cfeeder.init( this.content );
+
+		// Status feeder
+		sfeeder = new LineFeeder( r, c );
+		sfeeder.setRender( false );
+
+		var statusBar = new StatusBar( c );
+		statusBar.stamp( -18, function(){
+			return "1,1-1";
+		});
+
+		statusBar.stamp( -3, function(){
+			return "All";
+		});
+
+		sfeeder.init( statusBar.statusText );
+
+		element.value = cfeeder.render( 0, r - sfeeder.linesOccupied ) + "\n" + sfeeder.render();
+
+		this.contentFeeder = cfeeder;
+		this.statusFeeder = sfeeder;
+
+		var f = true;
+		this.__cursor = function()
+		{
+			if( f = !f )
+				return this.contentFeeder.cursor( 0 );
+			else return { start: 0, end: 0 };
+		}
+
+		this.flashCursor();
+	};
+
+	ns[ NS_EXPORT ]( EX_CLASS, "VimArea", VimArea );
+})();