forked from: flash on 2012-11-21

/**
 * Copyright hemingway ( http://wonderfl.net/user/hemingway )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/fTyt
 */

// forked from DakeNemui's flash on 2012-11-21
package {
    import flash.display.*;
    import flash.events.*;
    import flash.text.*; 
    
    public class FlashTest extends Sprite {
        public function FlashTest() {
            // write as3 code here..
            
            
            //INPUT will be filtered with the string FILTER
            //Wanted to do it the C/C++ way but I figured out that OUTPUT[k] = INPUT[i] didn't work
            var INPUT:String = "";
            var FILTER:String = "";
            
            //Declarations,definitions
            var fTEXT:TextFormat = new TextFormat("Tahoma",12,false);
            var TEXT_1:TextField = new TextField();           
            var TEXT_2:TextField = new TextField();
            var TEXT_3:TextField = new TextField();

            TEXT_1.defaultTextFormat = fTEXT;
            TEXT_2.defaultTextFormat = fTEXT;
            TEXT_3.defaultTextFormat = fTEXT;
            
            //Input text to be filtered here and press enter to filter
            TEXT_1.text = "Input text here...";
            TEXT_1.type = TextFieldType.INPUT;
            TEXT_1.border = true;
            TEXT_1.width = 300;
            TEXT_1.height = 20;
            TEXT_1.x = 70;
            TEXT_1.y = 10;
            
            //The result will appear here
            TEXT_2.text = "OUTPUT";
            TEXT_2.selectable = false;
            TEXT_2.border = true;
            TEXT_2.width = 300;
            TEXT_2.height = 20;
            TEXT_2.x = 70;
            TEXT_2.y = 40;
            
            //The setting of the filter, ex. INPUT : TEST with FILTER : T gives an OUTPUT of : ES
            TEXT_3.text = "Input filter here...";
            TEXT_3.type = TextFieldType.INPUT;
            TEXT_3.border = true;
            TEXT_3.width = 300;
            TEXT_3.height = 20;
            TEXT_3.x = 70;
            TEXT_3.y = 70
            
            addChild(TEXT_1);
            addChild(TEXT_2);
            addChild(TEXT_3);
            
            TEXT_1.addEventListener(KeyboardEvent.KEY_UP,submit);
            TEXT_1.addEventListener(MouseEvent.CLICK,select);
            
            TEXT_3.addEventListener(MouseEvent.CLICK,select);
            
            //On Enter filter
            function submit(event:KeyboardEvent):void
            {
                if ( event.keyCode == 13 )
                {
                    INPUT = TEXT_1.text;
                    FILTER = TEXT_3.text;
                    TEXT_2.text = filter(TEXT_1,TEXT_3);
                }
            }
            
            //On the first click to the input/filter the whole text is selected and the listener is
            //then removed
            function select(event:MouseEvent):void
            {
                if ( event.target == TEXT_1 )
                {
                    TEXT_1.setSelection(0,TEXT_1.length);
                    TEXT_1.removeEventListener(MouseEvent.CLICK,select);
                }
                else if ( event.target == TEXT_3 )
                {
                    TEXT_3.setSelection(0,TEXT_3.length);
                    TEXT_3.removeEventListener(MouseEvent.CLICK,select);
                }

            }

            
            
            function filter(Input:TextField , Filter:TextField):String
            {
                //clear the last result
                var Result:TextField = new TextField();
                
                var OUTPUT:String = "";
                var INPUT:String = Input.text;
                var FILTER:String = Filter.text;
                
                var add_char:Boolean = true;
                
                for ( var i:int = 0 ; i < INPUT.length ; i++ )
                {
                    for ( var j:int = 0 ; j < FILTER.length ; j++ )
                    {
                        if ( INPUT.charAt(i) == FILTER.charAt(j) )
                            add_char = false;
                    }
                    
                    if ( add_char == true )
                        Result.appendText(INPUT.charAt(i));

                    else
                        add_char = true;
                }
                
                OUTPUT = Result.text;
                
                return OUTPUT;
                
            }
            
            //Does the same as the function above but doesn't receive any arguments
            //it takes the global? Variables, works only for them which is not what I find good
            //in some cases...
            /* function filter():void
            {
                //clear the last result
                TEXT_2.text = "";
                
                var add_char:Boolean = true;
                
                for ( var i:int = 0 ; i < INPUT.length ; i++ )
                {
                    for ( var j:int = 0 ; j < FILTER.length ; j++ )
                    {
                        if ( INPUT.charAt(i) == FILTER.charAt(j) )
                            add_char = false;
                    }
                    
                    if ( add_char == true )
                        TEXT_2.appendText(INPUT.charAt(i));

                    else
                        add_char = true;

                }
                
            }
            */


            
        }
    }
}