AstroJS/botanjs/src/Components/Vim/Actions/PUT.js

102 lines
1.9 KiB
JavaScript

(function(){
var ns = __namespace( "Components.Vim.Actions" );
/** @type {Components.Vim.State.Stator} */
var Stator = __import( "Components.Vim.State.Stator" );
/** @type {Components.Vim.State.Stack} */
var Stack = __import( "Components.Vim.State.Stack" );
var Mesg = __import( "Components.Vim.Message" );
var occurence = __import( "System.utils.Perf.CountSubstr" );
/** @type {Components.Vim.IAction} */
var PUT = function( Cursor )
{
/** @type {Components.Vim.Cursor} */
this.__cursor = Cursor;
this.__msg = "";
Cursor.suppressEvent();
};
PUT.prototype.allowMovement = false;
PUT.prototype.dispose = function()
{
this.__cursor.unsuppressEvent();
};
PUT.prototype.handler = function( e )
{
e.preventDefault();
// TODO: Get the input for determinating registers
var inputStack = false;
var cput = this.__cursor.Vim.registers.get( inputStack );
if( !cput ) return true;
var clen = cput.length;
var nLines = occurence( cput, "\n" );
var cur = this.__cursor;
var feeder = cur.feeder;
var newLine = cput.newLine;
// Compensation
var c = e.kMap( "P" ) ? 0 : -1;
if( newLine )
{
cur.moveY( -c );
cur.lineStart();
}
var stator = new Stator( cur );
var aP = cur.aPos;
feeder.content = feeder.content.substring( 0, aP )
+ cput
+ feeder.content.substring( aP );
feeder.pan();
cur.moveTo( 0 < nLines ? aP : aP + clen, true );
var stack = new Stack();
if( newLine )
{
var f = stator.save( clen, "" );
stack.store( function()
{
f();
cur.moveY( c );
} );
}
else
{
stack.store( stator.save( clen, "" ) );
}
cur.rec.record( stack );
this.__put = cput;
if( nLines )
{
this.__msg = Mesg( "LINES_MORE", nLines );
}
cur.moveX( -1 );
return true;
};
PUT.prototype.getMessage = function()
{
return this.__msg;
};
ns[ NS_EXPORT ]( EX_CLASS, "PUT", PUT );
})();