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Silverlight File Manager

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1 Aug 2010Ms-PL12 min read 136.5K   3.5K   94  
An implementation of the View Model Style pattern to create a simple Silverlight 4 File Manager
Here is an implementation of the View Model Style pattern to create a simple Silverlight File Manager. This Silverlight project is not a full featured file manager, but, it actually works and hopefully demonstrates a non-trivial example of a View Model Style Silverlight project.
//v2.0.30511.0
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a};Silverlight.WaitForInstallCompletion=function(){if(!Silverlight.isBrowserRestartRequired&&Silverlight.onSilverlightInstalled){try{navigator.plugins.refresh()}catch(a){}if(Silverlight.isInstalled(null)&&!Silverlight.__onSilverlightInstalledCalled){Silverlight.onSilverlightInstalled();Silverlight.__onSilverlightInstalledCalled=true}else setTimeout(Silverlight.WaitForInstallCompletion,3e3)}};Silverlight.__startup=function(){navigator.plugins.refresh();Silverlight.isBrowserRestartRequired=Silverlight.isInstalled(null);if(!Silverlight.isBrowserRestartRequired){Silverlight.WaitForInstallCompletion();if(!Silverlight.__installationEventFired){Silverlight.onInstallRequired();Silverlight.__installationEventFired=true}}else if(window.navigator.mimeTypes){var b=navigator.mimeTypes["application/x-silverlight-2"],c=navigator.mimeTypes["application/x-silverlight-2-b2"],d=navigator.mimeTypes["application/x-silverlight-2-b1"],a=d;if(c)a=c;if(!b&&(d||c)){if(!Silverlight.__installationEventFired){Silverlight.onUpgradeRequired();Silverlight.__installationEventFired=true}}else if(b&&a)if(b.enabledPlugin&&a.enabledPlugin)if(b.enabledPlugin.description!=a.enabledPlugin.description)if(!Silverlight.__installationEventFired){Silverlight.onRestartRequired();Silverlight.__installationEventFired=true}}if(!Silverlight.disableAutoStartup)if(window.removeEventListener)window.removeEventListener("load",Silverlight.__startup,false);else window.detachEvent("onload",Silverlight.__startup)};if(!Silverlight.disableAutoStartup)if(window.addEventListener)window.addEventListener("load",Silverlight.__startup,false);else window.attachEvent("onload",Silverlight.__startup);Silverlight.createObject=function(m,f,e,k,l,h,j){var d={},a=k,c=l;d.version=a.version;a.source=m;d.alt=a.alt;if(h)a.initParams=h;if(a.isWindowless&&!a.windowless)a.windowless=a.isWindowless;if(a.framerate&&!a.maxFramerate)a.maxFramerate=a.framerate;if(e&&!a.id)a.id=e;delete a.ignoreBrowserVer;delete a.inplaceInstallPrompt;delete a.version;delete a.isWindowless;delete a.framerate;delete a.data;delete a.src;delete a.alt;if(Silverlight.isInstalled(d.version)){for(var b in c)if(c[b]){if(b=="onLoad"&&typeof c[b]=="function"&&c[b].length!=1){var i=c[b];c[b]=function(a){return i(document.getElementById(e),j,a)}}var g=Silverlight.__getHandlerName(c[b]);if(g!=null){a[b]=g;c[b]=null}else throw"typeof events."+b+" must be 'function' or 'string'";}slPluginHTML=Silverlight.buildHTML(a)}else slPluginHTML=Silverlight.buildPromptHTML(d);if(f)f.innerHTML=slPluginHTML;else return slPluginHTML};Silverlight.buildHTML=function(a){var b=[];b.push('<object type="application/x-silverlight" data="data:application/x-silverlight,"');if(a.id!=null)b.push(' id="'+Silverlight.HtmlAttributeEncode(a.id)+'"');if(a.width!=null)b.push(' width="'+a.width+'"');if(a.height!=null)b.push(' height="'+a.height+'"');b.push(" >");delete a.id;delete a.width;delete a.height;for(var c in a)if(a[c])b.push('<param name="'+Silverlight.HtmlAttributeEncode(c)+'" value="'+Silverlight.HtmlAttributeEncode(a[c])+'" />');b.push("</object>");return b.join("")};Silverlight.createObjectEx=function(b){var a=b,c=Silverlight.createObject(a.source,a.parentElement,a.id,a.properties,a.events,a.initParams,a.context);if(a.parentElement==null)return c};Silverlight.buildPromptHTML=function(b){var a="",d=Silverlight.fwlinkRoot,c=b.version;if(b.alt)a=b.alt;else{if(!c)c="";a="<a href='javascript:Silverlight.getSilverlight(\"{1}\");' style='text-decoration: none;'><img src='{2}' alt='Get Microsoft Silverlight' style='border-style: none'/></a>";a=a.replace("{1}",c);a=a.replace("{2}",d+"108181")}return a};Silverlight.getSilverlight=function(e){if(Silverlight.onGetSilverlight)Silverlight.onGetSilverlight();var b="",a=String(e).split(".");if(a.length>1){var c=parseInt(a[0]);if(isNaN(c)||c<2)b="1.0";else b=a[0]+"."+a[1]}var d="";if(b.match(/^\d+\056\d+$/))d="&v="+b;Silverlight.followFWLink("149156"+d)};Silverlight.followFWLink=function(a){top.location=Silverlight.fwlinkRoot+String(a)};Silverlight.HtmlAttributeEncode=function(c){var a,b="";if(c==null)return null;for(var d=0;d<c.length;d++){a=c.charCodeAt(d);if(a>96&&a<123||a>64&&a<91||a>43&&a<58&&a!=47||a==95)b=b+String.fromCharCode(a);else b=b+"&#"+a+";"}return b};Silverlight.default_error_handler=function(e,b){var d,c=b.ErrorType;d=b.ErrorCode;var a="\nSilverlight error message     \n";a+="ErrorCode: "+d+"\n";a+="ErrorType: "+c+"       \n";a+="Message: "+b.ErrorMessage+"     \n";if(c=="ParserError"){a+="XamlFile: "+b.xamlFile+"     \n";a+="Line: "+b.lineNumber+"     \n";a+="Position: "+b.charPosition+"     \n"}else 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a};Silverlight.onRequiredVersionAvailable=function(){};Silverlight.onRestartRequired=function(){};Silverlight.onUpgradeRequired=function(){};Silverlight.onInstallRequired=function(){};Silverlight.IsVersionAvailableOnError=function(d,a){var b=false;try{if(a.ErrorCode==8001&&!Silverlight.__installationEventFired){Silverlight.onUpgradeRequired();Silverlight.__installationEventFired=true}else if(a.ErrorCode==8002&&!Silverlight.__installationEventFired){Silverlight.onRestartRequired();Silverlight.__installationEventFired=true}else if(a.ErrorCode==5014||a.ErrorCode==2106){if(Silverlight.__verifySilverlight2UpgradeSuccess(a.getHost()))b=true}else b=true}catch(c){}return b};Silverlight.IsVersionAvailableOnLoad=function(b){var a=false;try{if(Silverlight.__verifySilverlight2UpgradeSuccess(b.getHost()))a=true}catch(c){}return a};Silverlight.__verifySilverlight2UpgradeSuccess=function(d){var 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License

This article, along with any associated source code and files, is licensed under The Microsoft Public License (Ms-PL)


Written By
Software Developer (Senior) http://ADefWebserver.com
United States United States
Michael Washington is a Microsoft MVP. He is a ASP.NET and
C# programmer.
He is the founder of
AiHelpWebsite.com,
LightSwitchHelpWebsite.com, and
HoloLensHelpWebsite.com.

He has a son, Zachary and resides in Los Angeles with his wife Valerie.

He is the Author of:

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