MultilineText

tf.mouseEnabled = false;
tf.wordWrap = true;

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favorite:4
lines:102
license : All rights reserved
modified : 2008-12-17 20:09:27

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package
{
import caurina.transitions.Tweener;
import flash.display.Sprite;
import flash.text.TextField;
import flash.text.TextFormat;

[SWF(width="465", height="465", backgroundColor="0x000000", frameRate="30")]
public class MultilineText extends Sprite
{
    public function MultilineText() 
    {
        var tf:TextField = new TextField();
        tf.defaultTextFormat = new TextFormat("_typewriter", 12, 0xFF0000);
        tf.width = stage.stageWidth;
        tf.height = stage.stageHeight;
        //tf.mouseEnabled = false;
        tf.multiline = true;
        //tf.wordWrap = true;
        tf.text = getText();
        tf.autoSize = "left";
        
        addChild(tf);
        
        showText(tf);
    }
    
    public function showText(target:TextField):void
    {
        var lines:Array = target.text.split("\r");
        var n:uint = Math.min(lines.length, 40);
        var str:String = "";
        for (var i:uint = 0; i < n;i++ )
        {
            str += "\r";
            Tweener.addTween( 
            {
                index      : 0,
                rows       : i,
                target     : target,
                text       : lines[i]
            }, 
            {
                index      : lines[i].length,
                time       : 1.0,
                delay      : i * 0.25 + 3,
                transition : "easeoutsine",
                onComplete : function():void
                {
                    
                },
                onUpdate   : function():void
                {
                    updateHandler(this);
                }
            });
        }
        target.text = str;
    }
    
    private function updateHandler(info:Object):void
    {
        var tf    :TextField = info.target;
        var str   :String    = info.text;
        
        var begin :int       = tf.getLineOffset(info.rows);
        var end   :int       = begin + tf.getLineLength(info.rows) - 1;
        
        tf.replaceText(begin, end, str.substr(0, info.index));
    }
    
    private function getText():String
    {
        return String(<![CDATA[package             
{
import caurina.transitions.Tweener;
import flash.display.Sprite;
import flash.text.TextField;
import flash.text.TextFormat;

]]>);
    }

}
}

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