Files
Disco/Disco.Web/ClientSource/Scripts/Modules/Silverlight.js
T
2013-11-12 12:12:54 +11:00

415 lines
14 KiB
JavaScript

///#source 1 1 /ClientSource/Scripts/Modules/Silverlight/Silverlight.js
if (!window.Silverlight) {
window.Silverlight = {};
}
// Silverlight control instance counter for memory mgt
Silverlight._silverlightCount = 0;
Silverlight.fwlinkRoot = 'http://go2.microsoft.com/fwlink/?LinkID=';
Silverlight.onGetSilverlight = null;
Silverlight.onSilverlightInstalled = function () { window.location.reload(false); };
//////////////////////////////////////////////////////////////////
// isInstalled, checks to see if the correct version is installed
//////////////////////////////////////////////////////////////////
Silverlight.isInstalled = function (version) {
var isVersionSupported = false;
var container = null;
try {
var control = null;
try {
control = new ActiveXObject('AgControl.AgControl');
if (version == null) {
isVersionSupported = true;
}
else if (control.IsVersionSupported(version)) {
isVersionSupported = true;
}
control = null;
}
catch (e) {
var plugin = navigator.plugins["Silverlight Plug-In"];
if (plugin) {
if (version === null) {
isVersionSupported = true;
}
else {
var actualVer = plugin.description;
if (actualVer === "1.0.30226.2")
actualVer = "2.0.30226.2";
var actualVerArray = actualVer.split(".");
while (actualVerArray.length > 3) {
actualVerArray.pop();
}
while (actualVerArray.length < 4) {
actualVerArray.push(0);
}
var reqVerArray = version.split(".");
while (reqVerArray.length > 4) {
reqVerArray.pop();
}
var requiredVersionPart;
var actualVersionPart
var index = 0;
do {
requiredVersionPart = parseInt(reqVerArray[index]);
actualVersionPart = parseInt(actualVerArray[index]);
index++;
}
while (index < reqVerArray.length && requiredVersionPart === actualVersionPart);
if (requiredVersionPart <= actualVersionPart && !isNaN(requiredVersionPart)) {
isVersionSupported = true;
}
}
}
}
}
catch (e) {
isVersionSupported = false;
}
if (container) {
document.body.removeChild(container);
}
return isVersionSupported;
}
Silverlight.WaitForInstallCompletion = function () {
if (!Silverlight.isBrowserRestartRequired && Silverlight.onSilverlightInstalled) {
try {
navigator.plugins.refresh();
}
catch (e) {
}
if (Silverlight.isInstalled(null)) {
Silverlight.onSilverlightInstalled();
}
else {
setTimeout(Silverlight.WaitForInstallCompletion, 3000);
}
}
}
Silverlight.__startup = function () {
Silverlight.isBrowserRestartRequired = Silverlight.isInstalled(null);//(!window.ActiveXObject || Silverlight.isInstalled(null));
if (!Silverlight.isBrowserRestartRequired) {
Silverlight.WaitForInstallCompletion();
}
if (window.removeEventListener) {
window.removeEventListener('load', Silverlight.__startup, false);
}
else {
window.detachEvent('onload', Silverlight.__startup);
}
}
if (window.addEventListener) {
window.addEventListener('load', Silverlight.__startup, false);
}
else {
window.attachEvent('onload', Silverlight.__startup);
}
///////////////////////////////////////////////////////////////////////////////
// createObject(); Params:
// parentElement of type Element, the parent element of the Silverlight Control
// source of type String
// id of type string
// properties of type String, object literal notation { name:value, name:value, name:value},
// current properties are: width, height, background, framerate, isWindowless, enableHtmlAccess, inplaceInstallPrompt: all are of type string
// events of type String, object literal notation { name:value, name:value, name:value},
// current events are onLoad onError, both are type string
// initParams of type Object or object literal notation { name:value, name:value, name:value}
// userContext of type Object
/////////////////////////////////////////////////////////////////////////////////
Silverlight.createObject = function (source, parentElement, id, properties, events, initParams, userContext) {
var slPluginHelper = new Object();
var slProperties = properties;
var slEvents = events;
slPluginHelper.version = slProperties.version;
slProperties.source = source;
slPluginHelper.alt = slProperties.alt;
//rename properties to their tag property names
if (initParams)
slProperties.initParams = initParams;
if (slProperties.isWindowless && !slProperties.windowless)
slProperties.windowless = slProperties.isWindowless;
if (slProperties.framerate && !slProperties.maxFramerate)
slProperties.maxFramerate = slProperties.framerate;
if (id && !slProperties.id)
slProperties.id = id;
// remove elements which are not to be added to the instantiation tag
delete slProperties.ignoreBrowserVer;
delete slProperties.inplaceInstallPrompt;
delete slProperties.version;
delete slProperties.isWindowless;
delete slProperties.framerate;
delete slProperties.data;
delete slProperties.src;
delete slProperties.alt;
// detect that the correct version of Silverlight is installed, else display install
if (Silverlight.isInstalled(slPluginHelper.version)) {
//move unknown events to the slProperties array
for (var name in slEvents) {
if (slEvents[name]) {
if (name == "onLoad" && typeof slEvents[name] == "function" && slEvents[name].length != 1) {
var onLoadHandler = slEvents[name];
slEvents[name] = function (sender) { return onLoadHandler(document.getElementById(id), userContext, sender) };
}
var handlerName = Silverlight.__getHandlerName(slEvents[name]);
if (handlerName != null) {
slProperties[name] = handlerName;
slEvents[name] = null;
}
else {
throw "typeof events." + name + " must be 'function' or 'string'";
}
}
}
slPluginHTML = Silverlight.buildHTML(slProperties);
}
//The control could not be instantiated. Show the installation prompt
else {
slPluginHTML = Silverlight.buildPromptHTML(slPluginHelper);
}
// insert or return the HTML
if (parentElement) {
parentElement.innerHTML = slPluginHTML;
}
else {
return slPluginHTML;
}
}
///////////////////////////////////////////////////////////////////////////////
//
// create HTML that instantiates the control
//
///////////////////////////////////////////////////////////////////////////////
Silverlight.buildHTML = function (slProperties) {
var htmlBuilder = [];
htmlBuilder.push('<object type=\"application/x-silverlight\" data="data:application/x-silverlight,"');
if (slProperties.id != null) {
htmlBuilder.push(' id="' + slProperties.id + '"');
}
if (slProperties.width != null) {
htmlBuilder.push(' width="' + slProperties.width + '"');
}
if (slProperties.height != null) {
htmlBuilder.push(' height="' + slProperties.height + '"');
}
htmlBuilder.push(' >');
delete slProperties.id;
delete slProperties.width;
delete slProperties.height;
for (var name in slProperties) {
if (slProperties[name]) {
htmlBuilder.push('<param name="' + Silverlight.HtmlAttributeEncode(name) + '" value="' + Silverlight.HtmlAttributeEncode(slProperties[name]) + '" />');
}
}
htmlBuilder.push('<\/object>');
return htmlBuilder.join('');
}
// createObjectEx, takes a single parameter of all createObject parameters enclosed in {}
Silverlight.createObjectEx = function (params) {
var parameters = params;
var html = Silverlight.createObject(parameters.source, parameters.parentElement, parameters.id, parameters.properties, parameters.events, parameters.initParams, parameters.context);
if (parameters.parentElement == null) {
return html;
}
}
///////////////////////////////////////////////////////////////////////////////////////////////
// Builds the HTML to prompt the user to download and install Silverlight
///////////////////////////////////////////////////////////////////////////////////////////////
Silverlight.buildPromptHTML = function (slPluginHelper) {
var slPluginHTML = "";
var urlRoot = Silverlight.fwlinkRoot;
var shortVer = slPluginHelper.version;
if (slPluginHelper.alt) {
slPluginHTML = slPluginHelper.alt;
}
else {
if (!shortVer) {
shortVer = "";
}
slPluginHTML = "<a href='javascript:Silverlight.getSilverlight(\"{1}\");' style='text-decoration: none;'><img src='{2}' alt='Get Microsoft Silverlight' style='border-style: none'/></a>";
slPluginHTML = slPluginHTML.replace('{1}', shortVer);
slPluginHTML = slPluginHTML.replace('{2}', urlRoot + '108181');
}
return slPluginHTML;
}
Silverlight.getSilverlight = function (version) {
if (Silverlight.onGetSilverlight) {
Silverlight.onGetSilverlight();
}
var shortVer = "";
var reqVerArray = String(version).split(".");
if (reqVerArray.length > 1) {
var majorNum = parseInt(reqVerArray[0]);
if (isNaN(majorNum) || majorNum < 2) {
shortVer = "1.0";
}
else {
shortVer = reqVerArray[0] + '.' + reqVerArray[1];
}
}
var verArg = "";
if (shortVer.match(/^\d+\056\d+$/)) {
verArg = "&v=" + shortVer;
}
Silverlight.followFWLink("114576" + verArg);
}
///////////////////////////////////////////////////////////////////////////////////////////////
/// Navigates to a url based on fwlinkid
///////////////////////////////////////////////////////////////////////////////////////////////
Silverlight.followFWLink = function (linkid) {
top.location = Silverlight.fwlinkRoot + String(linkid);
}
///////////////////////////////////////////////////////////////////////////////////////////////
/// Encodes special characters in input strings as charcodes
///////////////////////////////////////////////////////////////////////////////////////////////
Silverlight.HtmlAttributeEncode = function (strInput) {
var c;
var retVal = '';
if (strInput == null) {
return null;
}
for (var cnt = 0; cnt < strInput.length; cnt++) {
c = strInput.charCodeAt(cnt);
if (((c > 96) && (c < 123)) ||
((c > 64) && (c < 91)) ||
((c > 43) && (c < 58) && (c != 47)) ||
(c == 95)) {
retVal = retVal + String.fromCharCode(c);
}
else {
retVal = retVal + '&#' + c + ';';
}
}
return retVal;
}
///////////////////////////////////////////////////////////////////////////////
//
// Default error handling function to be used when a custom error handler is
// not present
//
///////////////////////////////////////////////////////////////////////////////
Silverlight.default_error_handler = function (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);
}
///////////////////////////////////////////////////////////////////////////////////////////////
/// Releases event handler resources when the page is unloaded
///////////////////////////////////////////////////////////////////////////////////////////////
Silverlight.__cleanup = function () {
for (var i = Silverlight._silverlightCount - 1; i >= 0; i--) {
window['__slEvent' + i] = null;
}
Silverlight._silverlightCount = 0;
if (window.removeEventListener) {
window.removeEventListener('unload', Silverlight.__cleanup, false);
}
else {
window.detachEvent('onunload', Silverlight.__cleanup);
}
}
///////////////////////////////////////////////////////////////////////////////////////////////
/// Releases event handler resources when the page is unloaded
///////////////////////////////////////////////////////////////////////////////////////////////
Silverlight.__getHandlerName = function (handler) {
var handlerName = "";
if (typeof handler == "string") {
handlerName = handler;
}
else if (typeof handler == "function") {
if (Silverlight._silverlightCount == 0) {
if (window.addEventListener) {
window.addEventListener('onunload', Silverlight.__cleanup, false);
}
else {
window.attachEvent('onunload', Silverlight.__cleanup);
}
}
var count = Silverlight._silverlightCount++;
handlerName = "__slEvent" + count;
window[handlerName] = handler;
}
else {
handlerName = null;
}
return handlerName;
}