正题：FlexPaper使用小记

主题：FlexPaper使用小记
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>
    

    <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>

正题：FlexPaper使用小记

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