BotanJS/botanjs/src/Components/Vim/Actions/TO.js

81 lines
1.4 KiB
JavaScript

(function(){
var ns = __namespace( "Components.Vim.Actions" );
/** @type {System.Debug} */
var debug = __import( "System.Debug" );
var beep = __import( "Components.Vim.Beep" );
/** @type {Components.Vim.IAction} */
var TO = function( Cursor )
{
/** @type {Components.Vim.Cursor} */
this.__cursor = Cursor;
this.__msg = "<TO COMMAND>";
Cursor.suppressEvent();
};
TO.prototype.dispose = function()
{
this.__cursor.unsuppressEvent();
};
TO.prototype.handler = function( em, et )
{
et.preventDefault();
var cur = this.__cursor;
var f = cur.feeder;
var n = cur.getLine().lineNum;
var p = 0;
for( i = 0; p != -1 && i < n; i ++ )
{
p = f.content.indexOf( "\n", p + 1 );
}
var upperLimit = f.content.indexOf( "\n", p + 1 );
if( 0 < n ) p ++;
var lowerLimit = p;
var Char = et.key;
if( et.kMap( "Tab" ) )
{
Char = "\t";
}
if( 1 < Char.length )
{
beep();
return;
}
var tX = -1;
// Forward
if( em.kMap( "t" ) || em.kMap( "f" ) )
{
tX = f.content.indexOf( Char, cur.aPos + 1 );
}
// backward
else
{
tX = f.content.lastIndexOf( Char, cur.aPos - 1 );
}
if( lowerLimit <= tX && tX < upperLimit )
{
cur.moveTo( tX );
}
else beep();
};
TO.prototype.getMessage = function()
{
return this.__msg;
};
ns[ NS_EXPORT ]( EX_CLASS, "TO", TO );
})();