<?xml version="1.0" encoding="utf-8"?>
<mx:WindowedApplication xmlns:mx="http://www.adobe.com/2006/mxml"
                        layout="absolute"
                        width="420"
                        height="238">
    <mx:TitleWindow layout="absolute"
                    left="43"
                    top="22"
                    bottom="27"
                    right="43"
                    title="MP3打包程序"
                    fontSize="12">
        <mx:TextInput x="10"
                      y="10"
                      width="190"
                      height="22"
                      id="fileName"/>
        <mx:Button x="208"
                   y="10"
                   label="浏览"
                   width="60"
                   fontSize="12"
                   fontFamily="Arial"
                   fontWeight="normal"
                   height="22"
                   click="browseFile(event);"
                   id="browse"/>
        <mx:Button x="218"
                   y="61"
                   label="打包"
                   fontSize="12"
                   fontFamily="Arial"
                   fontWeight="normal"
                   click="zipFile(event);"
                   id="pack"/>
        <mx:Text x="10"
                 y="40"
                 text="请选择文件!"
                 width="190"
                 color="#CF1C1C"
                 fontSize="12"
                 fontFamily="Arial"
                 height="95"
                 id="tip"/>
    </mx:TitleWindow>
    <mx:Script>
        <![CDATA[
            import deng.fzip.FZipFile;
            import deng.fzip.FZipErrorEvent;
            import deng.fzip.FZip;

            private var mp3file:File=new File();
            private var mp3filefilter:FileFilter=new FileFilter("mp3", "*");
            private var mp3Stream:FileStream=new FileStream();
            private var mp3ByteArray:ByteArray=new ByteArray();
            private var selected:Boolean=false;
            private var zipName:String;

            //
            private var zipfile:File;
            private var zipStream:FileStream;

            //
            private var zipMp3:FZip;

            //
            private function browseFile(evt:Event):void
            {
                mp3file.browseForOpen("mp3文件", [mp3filefilter]);
                mp3file.addEventListener(Event.Select, fileSelectHandle);
                mp3file.addEventListener(Event.CANCEL, selectCancel);
            }

            //
            private function selectCancel(evt:Event):void
            {

                tip.text="没有选择MP3文件。";
                selected=false
            }

//
            private function fileSelectHandle(evt:Event):void
            {
                tip.text="选择了文件：" + mp3file.name;
                fileName.text=mp3file.nativePath;
                selected=true;
            }

            //
            private function zipFile(evt:Event):void
            {
                if (selected)
                {
                    mp3Stream.open(mp3file, FileMode.READ);
                    mp3Stream.readBytes(mp3ByteArray);
                    mp3Stream.close();
                    zipMp3=new FZip();
                    tip.text="文件压缩中.....";
                    zipMp3.addFileAt(0,mp3file.name, mp3ByteArray);
                    zipMp3.close();
                    mp3ziped();
                }
                else
                {
                    tip.text="你还没有选择要打开的文件。";
                    fileName.text="";
                }
            }

            private function mp3ziped():void
            {
                zipfile=File.documentsDirectory;
                zipfile.browseForSave("保存为文件");
                zipfile.addEventListener(Event.Select, savezip);
            }

            private function savezip(evt:Event):void
            {
                var zipStream:FileStream=new FileStream();
                var zipByteArray:ByteArray=new ByteArray();
                var file:File=new File(File.desktopDirectory.nativePath);
                file=file.resolvePath("temp.abc");
                tip.text="正写入文件";
                
                zipMp3.serialize(zipByteArray);
                zipStream.open(file, FileMode.WRITE);
                zipStream.writeBytes(zipByteArray);
                zipStream.close();
                file.moveTo(zipfile, true);
                tip.text="已经生成文件：" + zipfile.nativePath;
                fileName.text="";
            }

            private function ioerr(evt:IOErrorEvent):void
            {
                tip.text="错误：" + evt.type;
            }
        ]]>
    </mx:Script>
</mx:WindowedApplication>