创建Silverlight 1.0 開發環境

建置 Silverlight 1.0 開發環境

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Chui-Wen Chiu
2007.07.26
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1. Sliverlight 1.0 Beta Runtime
2. Sliverlight SDK 1.0 beta
3. Microsoft Blend 2.0 Preview
4. Sliverlight SDK 1.1 alpha
安裝 Sliverlight 專案樣板
為了讓 VS 2005 能夠開發 Sliverlight,先下載 Sliverlight SDK(Silverlight1.0SDK.zip),取出其中的 SilverlightBetaToolsForVS2005.zip,將內容解開後放置在 %My Document%\Visual Studio 2005\Templates\ProjectTemplates\Sliverlight 1.0 beta,此時 VS2005 中可以使用 Sliverlight 專案,如下圖:

安裝 XAML IntelliSense
從 Silverlight1.0SDK.zip 中取出 silverlight.xsd,並放置在 C:\Program Files\Microsoft Visual Studio 8\Xml\Schemas 目錄下。
專案樣板程式碼研究
使用 Sliverlight 1.0 Beta 專案樣板產生的專案共會產生下面五個檔案:

Default.html -- HTML UI 定義

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3c.org/TR/1999/REC-html401-19991224/loose.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>SilverlightJSApplication1</title>
    <script type="text/javascript" src="Silverlight.js"></script>
    <script type="text/javascript" src="Default.html.js"></script>
    <script type="text/javascript" src="Scene.xaml.js"></script>
</head>
<body>
    <div id="SilverlightControlHost">
        <script type="text/javascript">
createSilverlight(); // 建立 Sliverlight
        </script>
    </div>
</body>
</html>

Default.html.js -- HTML 事件處理

/**
* 建立 Sliverlight
*
*/
function createSilverlight()
{
    var scene = new SilverlightJSApplication1.Scene();
    Sys.Silverlight.createObjectEx({
        source: "Scene.xaml",
        parentElement: document.getElementById("SilverlightControlHost"),
        id: "SilverlightControl",
        properties: {
            width: "400",
            height: "400",
            version: "0.9"
        },
        events: {
            onLoad: Sys.Silverlight.createDelegate(scene, scene.handleLoad)
        }
    });
}
if (!window.Sys)
    window.Sys = {};
if (!window.Silverlight)
    window.Silverlight = {};
/**
* 產生 create Delegate
*
* @param  instance   Scense 物件
* @param  method    instance 的 method
* @return  Function  呼叫 instance 的 member function 的 Function Object
*/
Sys.Silverlight.createDelegate = function(instance, method) {
    return function() {
        return method.apply(instance, arguments);
    }
}

Scense.xaml -- XAML UI 定義

<Canvas xmlns="http://schemas.microsoft.com/client/2007" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
  <Canvas.Resources>
    <Storyboard x:Name="mouseEnter">
      <ColorAnimation Duration="00:00:00.25" To="#3DFFFFFF" Storyboard.TargetName="highlightEllipse" Storyboard.TargetProperty="(Shape.Fill).(SolidColorBrush.Color)" />
    </Storyboard>
    <Storyboard x:Name="mouseDown">
      <ColorAnimation Duration="00:00:00.2" To="#22000000" Storyboard.TargetName="highlightEllipse" Storyboard.TargetProperty="(Shape.Fill).(SolidColorBrush.Color)" />
    </Storyboard>
    <Storyboard x:Name="mouseUp">
      <ColorAnimation Duration="00:00:00.2" To="#3DFFFFFF" Storyboard.TargetName="highlightEllipse" Storyboard.TargetProperty="(Shape.Fill).(SolidColorBrush.Color)" />
    </Storyboard>
    <Storyboard x:Name="mouseLeave">
      <ColorAnimation Duration="00:00:00.25" To="#00FFFFFF" Storyboard.TargetName="highlightEllipse" Storyboard.TargetProperty="(Shape.Fill).(SolidColorBrush.Color)" />
    </Storyboard>  
  </Canvas.Resources>
  <Canvas Width="120" Height="44">
    <Rectangle StrokeThickness="4" RadiusX="17" RadiusY="36" Width="120" Height="44" Stroke="#46000000">
      <Rectangle.Fill>
        <LinearGradientBrush EndPoint="0.5,-0.409" StartPoint="0.5,1.409">
          <GradientStop Color="#FFD3BE46" Offset="0.242"/>
          <GradientStop Color="#FFD79B03" Offset="0.333"/>
        </LinearGradientBrush>
      </Rectangle.Fill>
    </Rectangle>
<TextBlock Width="67" Height="23.2" Canvas.Left="29" Canvas.Top="10" Foreground="#FFEFEFEF" Text="Click Me" />
    <Rectangle StrokeThickness="4" RadiusX="16" RadiusY="36" Width="104" Height="32" Canvas.Left="8" Canvas.Top="1.3">
      <Rectangle.Fill>
        <LinearGradientBrush EndPoint="0.5,-0.409" StartPoint="0.5,1.409">
          <GradientStop Color="#00FFFFFF" Offset="0.13"/>
          <GradientStop Color="#FFFFFFFF" Offset="1"/>
        </LinearGradientBrush>
      </Rectangle.Fill>
    </Rectangle>
    <Rectangle RadiusX="17" RadiusY="36" Width="114" Height="38" Fill="#00FFFFFF" x:Name="highlightEllipse" Canvas.Left="3" Canvas.Top="3"/>
  </Canvas>
</Canvas>

Scense.xaml.js -- XAML 事件處理

if (!window.SilverlightJSApplication1)
    window.SilverlightJSApplication1 = {};
SilverlightJSApplication1.Scene = function()
{
}
SilverlightJSApplication1.Scene.prototype =
{
    /**
     * Sliverlight 事件載入完成的事件處理函式
     *
     * @param   control
     * @param   userContext
     * @param   rootElement
     */
    handleLoad: function(control, userContext, rootElement)
    {
        this.control = control;
        // Sample button event hookup: Find the button and then attach event handlers
        this.button = rootElement.children.getItem(0);  
        // 建立事件處理
        this.button.addEventListener("MouseEnter", Sys.Silverlight.createDelegate(this, this.handleMouseEnter));
        this.button.addEventListener("MouseLeftButtonDown", Sys.Silverlight.createDelegate(this, this.handleMouseDown));
        this.button.addEventListener("MouseLeftButtonUp", Sys.Silverlight.createDelegate(this, this.handleMouseUp));
        this.button.addEventListener("MouseLeave", Sys.Silverlight.createDelegate(this, this.handleMouseLeave));
    },
    /**
     * 處理 Mouse Enter 事件
     *
     * @param sender
     * @param eventArgs
     */
    handleMouseEnter: function(sender, eventArgs)
    {
        var mouseEnterAnimation = sender.findName("mouseEnter");
        mouseEnterAnimation.begin();
    },
    /**
     * 處理 Mouse Down 事件
     *
     * @param sender
     * @param eventArgs
     */   
    handleMouseDown: function(sender, eventArgs)
    {
        var mouseDownAnimation = sender.findName("mouseDown");
        mouseDownAnimation.begin();
    },
    /**
     * 處理 Mouse Up 事件
     *
     * @param sender
     * @param eventArgs
     */ 
    handleMouseUp: function(sender, eventArgs)
    {
        var mouseUpAnimation = sender.findName("mouseUp");
        mouseUpAnimation.begin();
        // Put clicked logic here
        alert("clicked");
    },
    /**
     * 處理 Mouse Leave 事件
     *
     * @param sender
     * @param eventArgs
     */   
    handleMouseLeave: function(sender, eventArgs)
    {
        var mouseLeaveAnimation = sender.findName("mouseLeave");
        mouseLeaveAnimation.begin();
    }
}

Sliverlight.js -- Sliverlight 核心

/**
*  Silverlight.js   version 0.9
*
*  This file is provided by Microsoft as a helper file for websites that
*  incorporate Silverlight Objects.  It must be used in conjunction with createSilverlight.js,
*  or alternatively, a custom .js file specific to your site.  The 0.9 version of this file is
*  hard coded to match Microsoft Silverlight v1.0 Beta, which exposes 0.9 as its version number.  
*  This file is provided as is.
*
*/
if (!window.Sys)
{
   window.Sys = { };
}
if (!window.Sys.Silverlight)
{
    window.Sys.Silverlight = { };
}
/**
* 檢查是否安裝符合指定的 Sliverlight 版本
*
* @param   version      版本
* @return                  true=已安裝, false=未安裝
*/
Sys.Silverlight.isInstalled = function(version)
{
    var uaString = navigator.userAgent;
    var reqVersionArray = version.split(".");
    reqMajorVer = (reqVersionArray[0] != null) ? reqVersionArray[0] : 0;
    reqMinorVer = (reqVersionArray[1] != null) ? reqVersionArray[1] : 9;
    reqBuildVer = (reqVersionArray[2] != null) ? reqVersionArray[2] : 0;   
    /**
     * 取得 Sliverlight 版本資訊
     *
     * @return 版本資訊
     */
    function detectAgControlVersion()
    {
        agVersion = -1;     
        if ((navigator.plugins != null) && (navigator.plugins.length > 0))
        {      
        if (document.getElementById && !document.all && navigator.plugins["WPFe Plug-In"] )
        {
            if (navigator.userAgent.indexOf("Firefox") != -1)
            {
                // ??
                var tmpAgObjectTag = '<object id="tmpSilverlightVersion" width="1" height="1" type="application/ag-plugin"/>';
                range = document.createRange();  
                range.selectNode(document.body);          
                range.setStartBefore(document.body);
                tmpAgControlDiv = document.createElement('DIV');
                document.body.appendChild(tmpAgControlDiv);
                tmpAgControlDiv.innerHTML=tmpAgObjectTag;
agVersionElement=document.getElementById("tmpSilverlightVersion");
agVersion=agVersionElement.settings.version;
                document.body.removeChild(tmpAgControlDiv);
            }
            else
            {
agVersion = navigator.plugins["WPFe Plug-In"].description;
            }
        }
        }
        else if ((navigator.userAgent.indexOf('Windows') != -1) && (navigator.appVersion.indexOf('MSIE') != -1) )
        {
            try
            {
var AgControl = new ActiveXObject("AgControl.AgControl");   
agVersion = AgControl.settings.version; 
                AgControl = null;
            }
            catch (e)
            {
                agVersion = -1;
            }
        }
        return agVersion;
    }
    var versionStr = detectAgControlVersion();
    if (versionStr == -1 )
    {
        return false;
    }
    else if (versionStr != 0)
    {
        versionArray = versionStr.split(".");
        var versionMajor = versionArray[0];
        var versionMinor = versionArray[1];
        var versionBuild = versionArray[2];
        if (versionMajor > parseFloat(reqMajorVer))
        {
            return true;
        }
        else if (versionMajor == parseFloat(reqMajorVer))
        {
            if (versionMinor > parseFloat(reqMinorVer))
            {
                return true;
            }
            else if (versionMinor == parseFloat(reqMinorVer))
            {
                if (versionBuild >= parseFloat(reqBuildVer))
                {
                    return true;
                }
            }
        }
        return false;
    }
}
/**
* Silverlight event instance counter for memory mgt
*
*/
Sys.Silverlight._counterL = 0;
/**
* 建立 Sliverlight
*
* @param   source          xaml 檔案來源
* @param   id                <object> 標籤的識別 id
* @param   properties      屬性集合,格式為 { name:value, name:value, name:value}
* @param   events          事件集合,格式為 { name:value, name:value, name:value}
* @param   initParams      <param> 參數設定,格式為 { name:value, name:value, name:value}
* @param   userContext 
* @return                       Plugin 字串
*/
Sys.Silverlight.createObject = function(source, parentElement, id, properties, events, initParams, userContext)
{
    var slPluginHelper = new Object();
    var slProperties = properties;      
    var slEvents = events;
    slPluginHelper.source = source;
    slPluginHelper.parentElement = parentElement;
    slPluginHelper.id = id;       
    slPluginHelper.width = slProperties.width;
    slPluginHelper.height = slProperties.height;
    slPluginHelper.background = slProperties.background;      
    slPluginHelper.isWindowless = slProperties.isWindowless;
    slPluginHelper.framerate = slProperties.framerate;
    slPluginHelper.ignoreBrowserVer = slProperties.ignoreBrowserVer;  
    slPluginHelper.inplaceInstallPrompt = slProperties.inplaceInstallPrompt;
    slPluginHelper.enableHtmlAccess = slProperties.enableHtmlAccess;
    slPluginHelper.initParams = initParams;      
    //memory management for onLoad event    
    if (slEvents.onLoad)
    {
       var uniqueID = '_sl' + (Sys.Silverlight._counterL++);
       slPluginHelper.loadedHandlerName = 'javascript:' + uniqueID;
       function _dispose()
       {
        if (window.detachEvent)
        {
            window.detachEvent('onunload', _dispose);
        }
        else
        {
            window.removeEventListener('unload', _dispose, false);
        }
        window[uniqueID] = null;
       }
        function _loadedHandler(sender)
        {
            slEvents.onLoad(document.getElementById(slPluginHelper.id), userContext, sender);
            _dispose();
        }
        window[uniqueID] = _loadedHandler;
        if (window.attachEvent)
        {
            window.attachEvent('onunload', _dispose);
        }
        else
        {
            window.addEventListener('unload', _dispose, false);
        }
    }
    //set error handler
    if (!slEvents.onError)
    {
        slPluginHelper.onError = "default_error_handler";
    }
    else
    {
        slPluginHelper.onError = slEvents.onError;
    }        
    var slPluginHTML = "";
    //direct download pointer
    var directDownload;
    if (navigator.userAgent.indexOf('Windows') != -1)
    {
directDownload = "http://go.microsoft.com/fwlink/?LinkID=86008";
    }
    else if (navigator.userAgent.indexOf('PPC Mac OS X') != -1)
    {
directDownload = "http://go.microsoft.com/fwlink/?LinkID=87380";
    }
    else if (navigator.userAgent.indexOf('Intel Mac OS X') != -1)
    {
directDownload = "http://go.microsoft.com/fwlink/?LinkID=87384";
    }
    //point to correct image/landing page for Alpha (0.95.x) and Beta (0.90.x)
    var inDirectDownloadPage, inDirectDownloadImage;
    var curVer = slProperties.version.split(".");
        majorVer = curVer[0];
        minorVer = curVer[1];
    //if Alpha, disallow inPlaceInstall
    if (minorVer == "95")
    {
        slPluginHelper.inplaceInstallPrompt = false;
inDirectDownloadPage = "http://go.microsoft.com/fwlink/?LinkID=88363";
inDirectDownloadImage = "http://go.microsoft.com/fwlink/?LinkID=88365";
    }
    else
    {
inDirectDownloadPage = "http://go.microsoft.com/fwlink/?LinkID=86009";
inDirectDownloadImage = "http://go.microsoft.com/fwlink/?LinkID=87023";
    }
    // text for Silverlight image link, used for non-inplaceInstallPrompt and unsupported browser
    var silverlightLink = '<div style="width: 205px; height: 67px; background-color: #FFFFFF"><a href="'+inDirectDownloadPage+'"><img style="border:0";  src="'+inDirectDownloadImage+'"/></a></div>'
    // detect supported browser version & that the correct version of WPF/e is installed, else display install
    if (browserIsSupportedVersion(slPluginHelper))
    { 
        if (Sys.Silverlight.isInstalled(slProperties.version))
        {
            slPluginHTML = buildHTML(slPluginHelper);
        }
        else if (!slPluginHelper.inplaceInstallPrompt)
        {
            slPluginHTML = silverlightLink;
        }
        else  //inPlaceInstallPrompt
        {
            slPluginHTML += '<div style="width: 205px; height: 101px background-color: #FFFFFF;"><a href="'+directDownload+'"><img style="border:0"; SRC="http://go.microsoft.com/fwlink/?LinkID=87024"></a>';              
            slPluginHTML += '<div style="margin-top: -60px;text-align: center;color: #FFFFFF; font-size: 10px;font-family: Arial ">By clicking <b>Get Microsoft Silverlight</b> you accept the ';
            slPluginHTML += '<a href="http://go.microsoft.com/fwlink/?LinkID=87025" style="text-decoration: underline;color: #FFFFFF;">Silverlight license agreement.</a></div>';              
            slPluginHTML += '<div style="margin-top: 8px;text-align: center;color: #FFFFFF; font-family: Arial; font-size: 10px;">Silverlight updates automatically, <a href="http://go.microsoft.com/fwlink/?LinkID=87026" style="text-decoration: underline;color: #FFFFFF;">learn more.</a></div></div>';
        }
    }
    else
    {
        slPluginHTML = silverlightLink;
    }      
    // insert the HTML into the requested host element or return <object> tag.
    if(parentElement != null)
    {
        parentElement.innerHTML = slPluginHTML;
    }
    else
    {
        return slPluginHTML;
    }
}
/**
*  檢測瀏覽器是否支援 Sliverlight
*
* @param   slPluginHelper     Plugin 參數
* @return                         true=支援, false=不支援
*/
function browserIsSupportedVersion(slPluginHelper)
{
    var supportedBrowser = true;
    if (slPluginHelper.ignoreBrowserVer == true)
    {
        return supportedBrowser;
    }
    else
    {  
        var supportedBrowser = false;        
    }   
    // detection for Internet Explorer 6.0+, 32-bit only
    if (navigator.userAgent.indexOf('MSIE') != -1)
    {
        if (navigator.userAgent.indexOf('Win64') == -1)
        {         
            var tempVersion = navigator.userAgent.split("MSIE");
            browserMajorVersion = parseInt(tempVersion[1]);
                if (browserMajorVersion >= 6.0)
                {
                    supportedBrowser = true;
                }
        }
    }
    // detection for Firefox 1.5+ and 2.0
    else if (navigator.userAgent.indexOf("Firefox") != -1)
    {
        var tempVersion = navigator.userAgent.split("Firefox/");
        tempVersion = tempVersion[1].split(".");
        browserMajorVersion = parseFloat(tempVersion[0]);
        browserMinorVersion = parseFloat(tempVersion[1]);
        if (browserMajorVersion >= 2)
        {
            supportedBrowser = true;
        }
        else
        {
            if ((browserMinorVersion >= 5))
            {
                supportedBrowser = true;
            }
        }
    }
    else if (navigator.userAgent.indexOf("Safari") != -1)
    {
        supportedBrowser = true;
    }
    return supportedBrowser;
}
/**
*  建立控制像實體的 HTML
*
*  預設範例動態產生如下的 HTML
*  <OBJECT id="SilverlightControl" type="application/ag-plugin" height="400" width="400">
*      <PARAM value="Scene.xaml" name="source" />
*      <PARAM value="default_error_handler" name="onError" />
*      <PARAM value="javascript:_sl0" name="onLoad" />
*  </OBJECT>
*
* @param   slPluginHelper     Plugin 參數
* @return                          HTML 字串
*/
function buildHTML(slPluginHelper)
{
    var slPluginHTML = '<object type="application/ag-plugin" id="'+slPluginHelper.id+'" width="'+slPluginHelper.width+'" height="'+slPluginHelper.height+'" >';
    if (slPluginHelper.source != null)
    {
        slPluginHTML += ' <param name="source" value="'+slPluginHelper.source+'" />';
    }
    if (slPluginHelper.framerate != null)
    {
        slPluginHTML += ' <param name="maxFramerate" value="'+slPluginHelper.framerate+'" />';
    }
    slPluginHTML += ' <param name="onError" value="'+slPluginHelper.onError+'" />';     
    if (slPluginHelper.background != null)
    {
        slPluginHTML += ' <param name="background" value="'+slPluginHelper.background+'" />';
    }
    if (slPluginHelper.isWindowless != null)
    {
        slPluginHTML += ' <param name="windowless" value="'+slPluginHelper.isWindowless+'" />';      
    }
    if (slPluginHelper.initParams != null)
    {
        slPluginHTML += ' <param name="initParams" value="'+slPluginHelper.initParams+'" />';      
    }
    if (slPluginHelper.enableHtmlAccess != null)
    {
        slPluginHTML += ' <param name="enableHtmlAccess" value="'+slPluginHelper.enableHtmlAccess+'" />';      
    }
    if (slPluginHelper.loadedHandlerName != null)
    {
        slPluginHTML += ' <param name="onLoad" value="'+slPluginHelper.loadedHandlerName+'" />';      
    }
    slPluginHTML += '<\/object>';
    if (navigator.userAgent.indexOf("Safari") != -1)
   {
        // disable Safari caching
        // for more information, see http://developer.apple.com/internet/safari/faq.html#anchor5
        slPluginHTML += "<iframe style='visibility:hidden;height:0;width:0'/>";
   }
    return slPluginHTML;
}
/**
*  預設錯誤處理函式
*
* @param   sender
* @param   args
*/
function default_error_handler(sender, args)
{
    var iErrorCode;
    var errorType = args.ErrorType;
    iErrorCode = args.ErrorCode;
    var errMsg = "\nSilverlight error message     \n" ;
    errMsg += "ErrorCode: "+ iErrorCode + "\n";
    errMsg += "ErrorType: " + errorType + "       \n";
    errMsg += "Message: " + args.ErrorMessage + "     \n";
    if (errorType == "ParserError")
    {
        errMsg += "XamlFile: " + args.xamlFile + "     \n";
        errMsg += "Line: " + args.lineNumber + "     \n";
        errMsg += "Position: " + args.charPosition + "     \n";
    }
    else if (errorType == "RuntimeError")
    {         
        if (args.lineNumber != 0)
        {
            errMsg += "Line: " + args.lineNumber + "     \n";
            errMsg += "Position: " +  args.charPosition + "     \n";
        }
        errMsg += "MethodName: " + args.methodName + "     \n";
    }
    alert(errMsg);
}
/**
* createObjectEx, takes a single parameter of all createObject parameters enclosed in {}     
*
* @param   params
* @return
*/
Sys.Silverlight.createObjectEx = function(params)
{      
    var parameters = params;
    var html = Sys.Silverlight.createObject(parameters.source, parameters.parentElement, parameters.id, parameters.properties, parameters.events, parameters.initParams, parameters.context);
    if (parameters.parentElement == null)
    {
        return html;
    }

執行結果
[Firefox 2.0.0.5]

[IE 6]


補充
1. Sliverlight 元件的 ProgID 為 AgControl.AgControl,元件檔案位於 C:\Program Files\Microsoft Silverlight\npctrl.dll,CLASS_ID 為 {32C73088-76AE-40F7-AC40-81F62CB2C1DA}

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