改造FlexPaper

记录一下自己在改造FlexPaper的过程，
这是应用网站：http://www.uqbook.cn/，有兴趣可以看看。

1.下载FlexPaper源码；
2.新建Flex Libary工程（提供下载的工程就是Flex库工程），编译的是FlexPaper.swc；
3.新建Flex工程，引用FlexPaper.swc，最后编译成在HTML中使用的flash版本。但作者没有提供FlexPaperViewer.mxml源文件下载，所以，自己在摸索中写出了一个，用于编译flash版本。
Java代码
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
xmlns:fp="com.devaldi.controls.flexpaper.*"
layout="absolute" width="100%" height="100%"
applicationComplete="initApp();">

<mx:Script>
<![CDATA[
import mx.controls.Alert;

public var _aid = 0;//文档ID

[Bindable]
public var _Scale:Number = 1;//缩放比例

[Bindable]
public var _SwfFile:String = "";//SWF文件路径

[Bindable]
public var _ZoomTransition:String = "easeOut";

[Bindable]
public var _ZoomTime:Number = 0.6;

[Bindable]
public var _ZoomInterval:Number = 0.1;

[Bindable]
public var _FitPageOnLoad:Boolean = false;//加载后适合高度

[Bindable]
public var _FitWidthOnLoad:Boolean = false;//加载后适合宽度

[Bindable]
public var _PrintEnabled:Boolean = true;//是否支持打印

[Bindable]
public var _FullScreenAsMaxWindow:Boolean = false;//是否支付全屏

[Bindable]
public var _ProgressiveLoading:Boolean = false;//是否延迟加载

[Bindable]
public var _localeChain:String = "zh_CN";//语言

private var isFocus:Boolean = false;

//初始化参数
private function initApp():void{
var params:Object = Application.application.parameters;
_Scale = getNumber(params, "Scale", 1);
_SwfFile = getString(params, "SwfFile", "Paper.swf");
_ZoomTransition = getString(params, "ZoomTransition", "easeOut");
_ZoomTime = getNumber(params, "ZoomTime", 0.6);
_ZoomInterval = getNumber(params, "ZoomInterval", 0.1);
_FitPageOnLoad = getBoolean(params, "FitPageOnLoad", false);
_FitWidthOnLoad = getBoolean(params, "FitWidthOnLoad", false);
_PrintEnabled = getBoolean(params, "PrintEnabled", true);
_FullScreenAsMaxWindow = getBoolean(params, "FullScreenAsMaxWindow", false);
_ProgressiveLoading = getBoolean(params, "ProgressiveLoading", true);
_localeChain = params["localeChain"];

//注册事件监听
this.addEventListener(MouseEvent.MOUSE_OVER, onMouseOver);
this.addEventListener(MouseEvent.MOUSE_OUT, onMouseOut);

//开放给外部（javascript）调用
ExternalInterface.addCallback("hasFocus", hasFocus);
//ExternalInterface.addCallback("focus", focus);
ExternalInterface.addCallback("setViewerFocus", setViewerFocus);
}



private function onMouseOver(event:MouseEvent):void{
this.isFocus = true;
}

private function onMouseOut(event:MouseEvent):void{
this.isFocus = false;
}

public function hasFocus():Boolean{
//Alert.show("hasFocus");
return isFocus;
}

public function setViewerFocus(isFocus:Boolean):void{
//Alert.show("setViewerFocus");
this.paperViewer.setViewerFocus();
}

/**
*
* 获取String类型参数
* 如果没有，则返回默认值
**/
private function getString(params:Object, name:String, def:String):String{
if(params[name] != null){
return params[name];
}
return def;
}

private function getNumber(params:Object, name:String, def:Number):Number{
if(params[name] != null){
return params[name];
}
return def;
}

private function getBoolean(params:Object, name:String, def:Boolean):Boolean{
//Alert.show("比较："+name);
if(params[name] != null){
return params[name] == "true";
}
return def;
}
]]>
</mx:Script>
<!--mx:Panel x="165" y="76" width="250" height="200" layout="absolute" title="一个人">
<mx:Label x="59" y="37" text="{Scale}" width="88"/>
</mx:Panel-->

<fp:FlexPaperViewer id="paperViewer"
width="100%"
height="100%"
Scale="{_Scale}"
SwfFile="{_SwfFile}"
ZoomTransition="{_ZoomTransition}"
ZoomTime="{_ZoomTime}"
ZoomInterval="{_ZoomInterval}"
FitPageOnLoad="{_FitPageOnLoad}"
FitWidthOnLoad="{_FitWidthOnLoad}"
PrintEnabled="{_PrintEnabled}"
FullScreenAsMaxWindow="{_FullScreenAsMaxWindow}"
ProgressiveLoading="{_ProgressiveLoading}" />
</mx:Application>