From 52e4733fcc4e2301ecc45ab2f946b33d4db04289 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=96=9F=E9=85=8C=20=E9=B5=AC=E5=85=84?= <tgckpg@gmail.com>
Date: Tue, 15 Mar 2016 03:06:16 +0800
Subject: [PATCH] Some interfaces

---
 botanjs/src/Components/Vim/Actions/INSERT.js | 38 ++++++++++++++++++++
 botanjs/src/Components/Vim/Cursor.js         | 20 +++++++++++
 botanjs/src/Components/Vim/StatusBar.js      |  2 ++
 botanjs/src/Components/Vim/VimArea.js        | 25 +++++++++++--
 4 files changed, 83 insertions(+), 2 deletions(-)
 create mode 100644 botanjs/src/Components/Vim/Actions/INSERT.js

diff --git a/botanjs/src/Components/Vim/Actions/INSERT.js b/botanjs/src/Components/Vim/Actions/INSERT.js
new file mode 100644
index 0000000..4757065
--- /dev/null
+++ b/botanjs/src/Components/Vim/Actions/INSERT.js
@@ -0,0 +1,38 @@
+(function(){
+	var ns = __namespace( "Components.Vim.Actions" );
+
+	/** @type {Dandelion} */
+	var Dand                                    = __import( "Dandelion" );
+	/** @type {Dandelion.IDOMElement} */
+	var IDOMElement                             = __import( "Dandelion.IDOMElement" );
+	/** @type {Dandelion.IDOMObject} */
+	var IDOMObject                              = __import( "Dandelion.IDOMObject" );
+	/** @type {System.Cycle} */
+	var Cycle                                   = __import( "System.Cycle" );
+	/** @type {System.Debug} */
+	var debug                                   = __import( "System.Debug" );
+
+	var Mesg = __import( "Components.Vim.Message" );
+
+	/** @type {Components.Vim.Cursor.IAction} */
+	var INSERT = function( Cursor )
+	{
+		/** @type {Components.Vim.Cursor} */
+		this.cursor = Cursor;
+	};
+
+	INSERT.prototype.dispose = function()
+	{
+	};
+
+	INSERT.prototype.getMessage = function()
+	{
+		var l = this.cursor.feeder.firstBuffer.cols;
+		var msg = Mesg( "INSERT" );
+
+		for( var i = msg.length; i < l; i ++ ) msg += " ";
+		return msg;
+	};
+
+	ns[ NS_EXPORT ]( EX_CLASS, "INSERT", INSERT );
+})();
diff --git a/botanjs/src/Components/Vim/Cursor.js b/botanjs/src/Components/Vim/Cursor.js
index eba3821..cb58611 100644
--- a/botanjs/src/Components/Vim/Cursor.js
+++ b/botanjs/src/Components/Vim/Cursor.js
@@ -12,6 +12,8 @@
 	/** @type {System.Debug} */
 	var debug                                   = __import( "System.Debug" );
 
+	var Actions = __import( "Components.Vim.Actions.*" );
+
 	var GetLine = function( buffs, l )
 	{
 		/** @type {Components.Vim.LineBuffer} */
@@ -76,6 +78,9 @@
 
 		// The resulting position
 		this.P = 0;
+
+		/** @type {Components.Vim.IAction} */
+		this.action = null;
 	};
 
 	// Can only be 1, -1
@@ -210,6 +215,15 @@
 		this.updatePosition();
 	};
 
+	Cursor.prototype.openInsert = function()
+	{
+		var feeder = this.feeder;
+		if( this.action ) this.action.dispose();
+		this.action = new Actions[ "INSERT" ];
+
+		feeder.dispatcher.dispatchEvent( new BotanEvent( "VisualUpdate" ) );
+	};
+
 	Cursor.prototype.getLine = function()
 	{
 		var feeder = this.feeder;
@@ -225,6 +239,12 @@
 		return line;
 	};
 
+	__readOnly( Cursor.prototype, "message", function()
+	{
+		return this.action && this.action.getMessage();
+	} );
+
+
 	__readOnly( Cursor.prototype, "position", function()
 	{
 		return {
diff --git a/botanjs/src/Components/Vim/StatusBar.js b/botanjs/src/Components/Vim/StatusBar.js
index 20424c8..ecdec78 100644
--- a/botanjs/src/Components/Vim/StatusBar.js
+++ b/botanjs/src/Components/Vim/StatusBar.js
@@ -38,6 +38,8 @@
 			if( text )
 			{
 				text = text();
+				if( text == undefined || text === "" ) continue;
+
 				display += text.substr( 0, avail );
 				i = display.length - 1;
 			}
diff --git a/botanjs/src/Components/Vim/VimArea.js b/botanjs/src/Components/Vim/VimArea.js
index a030595..e4d00c9 100644
--- a/botanjs/src/Components/Vim/VimArea.js
+++ b/botanjs/src/Components/Vim/VimArea.js
@@ -50,11 +50,13 @@
 		var kCode = e.keyCode + ( e.shiftKey ? 1000 : 0 );
 
 		var cfeeder = sender.contentFeeder;
+		var sfeeder = sender.statusFeeder;
 		switch( kCode )
 		{
 			// Cursor movements
+			case 8: // Backspace, go back 1 char, regardless of line
+				break;
 			case 72: // h
-			case 8: // Backspace
 				cfeeder.cursor.moveX( -1 );
 				break;
 			case 74: // j
@@ -67,9 +69,24 @@
 				cfeeder.cursor.moveX( 1 );
 				break;
 
+			// Insert
 			case 65: // a
-			case 1065: // A
+				cfeeder.cursor.openInsert();
 				break;
+
+			case 1065: // A, append at the line end
+				break;
+			case 73: // i
+				break;
+			case 1073: // I, append before the line start, after spaces
+				break;
+
+			// remove characters
+			case 88: // x, remove in cursor
+				break;
+			case 1088: // X, remove before cursor
+				break;
+
 			case 1072: // H, First line buffer
 				break;
 			case 1076: // L, Last line buffer
@@ -171,6 +188,10 @@
 			return mesg( cfeeder.docPos );
 		} );
 
+		statusBar.stamp( 0, function(){
+			return cfeeder.cursor.message;
+		} );
+
 		sfeeder.init( statusBar.statusText );
 
 		var Update = function()