162 lines
3.0 KiB
JavaScript
162 lines
3.0 KiB
JavaScript
(function(){
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var ns = __namespace( "Components.Vim.Actions" );
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/** @type {System.Debug} */
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var debug = __import( "System.Debug" );
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var Mesg = __import( "Components.Vim.Message" );
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var beep = __import( "Components.Vim.Beep" );
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var occurence = __import( "System.utils.Perf.CountSubstr" );
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/** @type {Components.Vim.IAction} */
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var YANK = function( Cursor )
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{
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/** @type {Components.Vim.Cursor} */
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this.__cursor = Cursor;
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this.__startX = Cursor.aPos;
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this.__msg = "";
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Cursor.suppressEvent();
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};
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YANK.prototype.allowMovement = true;
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YANK.prototype.dispose = function()
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{
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this.__cursor.unsuppressEvent();
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};
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YANK.prototype.handler = function( e, sp, newLine )
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{
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e.preventDefault();
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if( e.ModKeys || e.kMap( "i" ) ) return;
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/** @type {Components.Vim.State.Registers} */
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var reg = e.target.registers;
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var cur = this.__cursor;
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var feeder = cur.feeder;
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var Triggered = false;
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if( sp == undefined )
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{
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Triggered = true;
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sp = this.__startX;
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var currAp = cur.aPos;
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if( this.__startX != currAp )
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{
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// Remove to start
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if( e.kMap( "^" ) )
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{
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sp --;
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}
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// Remove char in cursor
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else if( e.kMap( "l" ) )
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{
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cur.moveX( -1 );
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}
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// Remove char before cursor
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else if( e.kMap( "h" ) )
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{
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sp = currAp;
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}
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// Remove the current and the following line
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else if( e.kMap( "j" ) )
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{
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newLine = true;
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cur.lineEnd( true );
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sp = cur.aPos;
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cur.moveY( -1 );
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cur.lineStart();
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this.__startX = cur.aPos;
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}
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// Remove the current and the preceding line
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else if( e.kMap( "k" ) )
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{
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newLine = true;
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cur.moveY( 1 );
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cur.lineEnd( true );
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sp = cur.aPos;
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cur.moveY( -1 );
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cur.lineStart();
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}
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else if( this.__startX < currAp )
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{
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// Swap the movement
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// This is to move the REDO / UNDO Cursor
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// position to the earlier position
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sp = currAp;
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cur.moveTo( this.__startX );
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}
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}
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// Remove the current line
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else
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{
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if( e.kMap( "y" ) )
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{
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newLine = true;
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cur.lineEnd( true );
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sp = cur.aPos;
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cur.lineStart();
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}
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else if( e.range )
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{
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sp = e.range.close;
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cur.moveTo( e.range.open, true );
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}
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else if( e.kMap( "^" ) )
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{
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// Do nothing as nothing can be removed
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// since there is no successful movement
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return true;
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}
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// this is the same as kMap( "h" ) above
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else if( e.kMap( "$" ) )
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{
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sp = cur.aPos;
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}
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else
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{
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beep();
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return true;
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}
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}
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}
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var s = sp;
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var e = cur.aPos;
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if( e < s )
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{
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s = cur.aPos;
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e = sp;
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}
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cur.moveTo( s );
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var yText = cur.feeder.content.substring( s, e + 1 );
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reg.yank( yText, newLine );
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var nline = occurence( yText, "\n" );
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if( nline )
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{
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this.__msg = Mesg( "LINES_YANKED", nline );
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}
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return Triggered;
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};
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YANK.prototype.getMessage = function()
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{
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return this.__msg;
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};
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ns[ NS_EXPORT ]( EX_CLASS, "YANK", YANK );
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})();
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