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/*
        Copyright (c) 2004-2006, The Dojo Foundation
        All Rights Reserved.

        Licensed under the Academic Free License version 2.1 or above OR the
        modified BSD license. For more information on Dojo licensing, see:

                http://dojotoolkit.org/community/licensing.shtml
*/



dojo.hostenv.resetXd = function () {
        this.isXDomain = djConfig.useXDomain || false;
        this.xdTimer = 0;
        this.xdInFlight = {};
        this.xdOrderedReqs = [];
        this.xdDepMap = {};
        this.xdContents = [];
        this.xdDefList = [];
};
dojo.hostenv.resetXd();
dojo.hostenv.createXdPackage = function (contents, resourceName, resourcePath) {
        var deps = [];
        var depRegExp = /dojo.(requireLocalization|require|requireIf|requireAll|provide|requireAfterIf|requireAfter|kwCompoundRequire|conditionalRequire|hostenv\.conditionalLoadModule|.hostenv\.loadModule|hostenv\.moduleLoaded)\(([\w\W]*?)\)/mg;
        var match;
        while ((match = depRegExp.exec(contents)) != null) {
                if (match[1] == "requireLocalization") {
                        eval(match[0]);
                } else {
                        deps.push("\"" + match[1] + "\", " + match[2]);
                }
        }
        var output = [];
        output.push("dojo.hostenv.packageLoaded({\n");
        if (deps.length > 0) {
                output.push("depends: [");
                for (var i = 0; i < deps.length; i++) {
                        if (i > 0) {
                                output.push(",\n");
                        }
                        output.push("[" + deps[i] + "]");
                }
                output.push("],");
        }
        output.push("\ndefinePackage: function(dojo){");
        output.push(contents);
        output.push("\n}, resourceName: '" + resourceName + "', resourcePath: '" + resourcePath + "'});");
        return output.join("");
};
dojo.hostenv.loadPath = function (relpath, module, cb) {
        var colonIndex = relpath.indexOf(":");
        var slashIndex = relpath.indexOf("/");
        var uri;
        var currentIsXDomain = false;
        if (colonIndex > 0 && colonIndex < slashIndex) {
                uri = relpath;
                this.isXDomain = currentIsXDomain = true;
        } else {
                uri = this.getBaseScriptUri() + relpath;
                colonIndex = uri.indexOf(":");
                slashIndex = uri.indexOf("/");
                if (colonIndex > 0 && colonIndex < slashIndex && (!location.host || uri.indexOf("http://" + location.host) != 0)) {
                        this.isXDomain = currentIsXDomain = true;
                }
        }
        if (djConfig.cacheBust && dojo.render.html.capable) {
                uri += "?" + String(djConfig.cacheBust).replace(/\W+/g, "");
        }
        try {
                return ((!module || this.isXDomain) ? this.loadUri(uri, cb, currentIsXDomain, module) : this.loadUriAndCheck(uri, module, cb));
        }
        catch (e) {
                dojo.debug(e);
                return false;
        }
};
dojo.hostenv.loadUri = function (uri, cb, currentIsXDomain, module) {
        if (this.loadedUris[uri]) {
                return 1;
        }
        if (this.isXDomain && module) {
                if (uri.indexOf("__package__") != -1) {
                        module += ".*";
                }
                this.xdOrderedReqs.push(module);
                if (currentIsXDomain || uri.indexOf("/nls/") == -1) {
                        this.xdInFlight[module] = true;
                        this.inFlightCount++;
                }
                if (!this.xdTimer) {
                        this.xdTimer = setInterval("dojo.hostenv.watchInFlightXDomain();", 100);
                }
                this.xdStartTime = (new Date()).getTime();
        }
        if (currentIsXDomain) {
                var lastIndex = uri.lastIndexOf(".");
                if (lastIndex <= 0) {
                        lastIndex = uri.length - 1;
                }
                var xdUri = uri.substring(0, lastIndex) + ".xd";
                if (lastIndex != uri.length - 1) {
                        xdUri += uri.substring(lastIndex, uri.length);
                }
                var element = document.createElement("script");
                element.type = "text/javascript";
                element.src = xdUri;
                if (!this.headElement) {
                        this.headElement = document.getElementsByTagName("head")[0];
                        if (!this.headElement) {
                                this.headElement = document.getElementsByTagName("html")[0];
                        }
                }
                this.headElement.appendChild(element);
        } else {
                var contents = this.getText(uri, null, true);
                if (contents == null) {
                        return 0;
                }
                if (this.isXDomain && uri.indexOf("/nls/") == -1) {
                        var pkg = this.createXdPackage(contents, module, uri);
                        dj_eval(pkg);
                } else {
                        if (cb) {
                                contents = "(" + contents + ")";
                        }
                        var value = dj_eval(contents);
                        if (cb) {
                                cb(value);
                        }
                }
        }
        this.loadedUris[uri] = true;
        return 1;
};
dojo.hostenv.packageLoaded = function (pkg) {
        var deps = pkg.depends;
        var requireList = null;
        var requireAfterList = null;
        var provideList = [];
        if (deps && deps.length > 0) {
                var dep = null;
                var insertHint = 0;
                var attachedPackage = false;
                for (var i = 0; i < deps.length; i++) {
                        dep = deps[i];
                        if (dep[0] == "provide" || dep[0] == "hostenv.moduleLoaded") {
                                provideList.push(dep[1]);
                        } else {
                                if (!requireList) {
                                        requireList = [];
                                }
                                if (!requireAfterList) {
                                        requireAfterList = [];
                                }
                                var unpackedDeps = this.unpackXdDependency(dep);
                                if (unpackedDeps.requires) {
                                        requireList = requireList.concat(unpackedDeps.requires);
                                }
                                if (unpackedDeps.requiresAfter) {
                                        requireAfterList = requireAfterList.concat(unpackedDeps.requiresAfter);
                                }
                        }
                        var depType = dep[0];
                        var objPath = depType.split(".");
                        if (objPath.length == 2) {
                                dojo[objPath[0]][objPath[1]].apply(dojo[objPath[0]], dep.slice(1));
                        } else {
                                dojo[depType].apply(dojo, dep.slice(1));
                        }
                }
                var contentIndex = this.xdContents.push({content:pkg.definePackage, resourceName:pkg["resourceName"], resourcePath:pkg["resourcePath"], isDefined:false}) - 1;
                for (var i = 0; i < provideList.length; i++) {
                        this.xdDepMap[provideList[i]] = {requires:requireList, requiresAfter:requireAfterList, contentIndex:contentIndex};
                }
                for (var i = 0; i < provideList.length; i++) {
                        this.xdInFlight[provideList[i]] = false;
                }
        }
};
dojo.hostenv.xdLoadFlattenedBundle = function (moduleName, bundleName, locale, bundleData) {
        locale = locale || "root";
        var jsLoc = dojo.hostenv.normalizeLocale(locale).replace("-", "_");
        var bundlePackage = [moduleName, "nls", bundleName].join(".");
        var bundle = dojo.hostenv.startPackage(bundlePackage);
        bundle[jsLoc] = bundleData;
        var mapName = [moduleName, jsLoc, bundleName].join(".");
        var bundleMap = dojo.hostenv.xdBundleMap[mapName];
        if (bundleMap) {
                for (var param in bundleMap) {
                        bundle[param] = bundleData;
                }
        }
};
dojo.hostenv.xdBundleMap = {};
dojo.xdRequireLocalization = function (moduleName, bundleName, locale, availableFlatLocales) {
        var locales = availableFlatLocales.split(",");
        var jsLoc = dojo.hostenv.normalizeLocale(locale);
        var bestLocale = "";
        for (var i = 0; i < locales.length; i++) {
                if (jsLoc.indexOf(locales[i]) == 0) {
                        if (locales[i].length > bestLocale.length) {
                                bestLocale = locales[i];
                        }
                }
        }
        var fixedBestLocale = bestLocale.replace("-", "_");
        var bundlePackage = dojo.evalObjPath([moduleName, "nls", bundleName].join("."));
        if (bundlePackage && bundlePackage[fixedBestLocale]) {
                bundle[jsLoc.replace("-", "_")] = bundlePackage[fixedBestLocale];
        } else {
                var mapName = [moduleName, (fixedBestLocale || "root"), bundleName].join(".");
                var bundleMap = dojo.hostenv.xdBundleMap[mapName];
                if (!bundleMap) {
                        bundleMap = dojo.hostenv.xdBundleMap[mapName] = {};
                }
                bundleMap[jsLoc.replace("-", "_")] = true;
                dojo.require(moduleName + ".nls" + (bestLocale ? "." + bestLocale : "") + "." + bundleName);
        }
};
(function () {
        var extra = djConfig.extraLocale;
        if (extra) {
                if (!extra instanceof Array) {
                        extra = [extra];
                }
                dojo._xdReqLoc = dojo.xdRequireLocalization;
                dojo.xdRequireLocalization = function (m, b, locale, fLocales) {
                        dojo._xdReqLoc(m, b, locale, fLocales);
                        if (locale) {
                                return;
                        }
                        for (var i = 0; i < extra.length; i++) {
                                dojo._xdReqLoc(m, b, extra[i], fLocales);
                        }
                };
        }
})();
dojo.hostenv.unpackXdDependency = function (dep) {
        var newDeps = null;
        var newAfterDeps = null;
        switch (dep[0]) {
          case "requireIf":
          case "requireAfterIf":
          case "conditionalRequire":
                if ((dep[1] === true) || (dep[1] == "common") || (dep[1] && dojo.render[dep[1]].capable)) {
                        newDeps = [{name:dep[2], content:null}];
                }
                break;
          case "requireAll":
                dep.shift();
                newDeps = dep;
                dojo.hostenv.flattenRequireArray(newDeps);
                break;
          case "kwCompoundRequire":
          case "hostenv.conditionalLoadModule":
                var modMap = dep[1];
                var common = modMap["common"] || [];
                var newDeps = (modMap[dojo.hostenv.name_]) ? common.concat(modMap[dojo.hostenv.name_] || []) : common.concat(modMap["default"] || []);
                dojo.hostenv.flattenRequireArray(newDeps);
                break;
          case "require":
          case "requireAfter":
          case "hostenv.loadModule":
                newDeps = [{name:dep[1], content:null}];
                break;
        }
        if (dep[0] == "requireAfterIf" || dep[0] == "requireIf") {
                newAfterDeps = newDeps;
                newDeps = null;
        }
        return {requires:newDeps, requiresAfter:newAfterDeps};
};
dojo.hostenv.xdWalkReqs = function () {
        var reqChain = null;
        var req;
        for (var i = 0; i < this.xdOrderedReqs.length; i++) {
                req = this.xdOrderedReqs[i];
                if (this.xdDepMap[req]) {
                        reqChain = [req];
                        reqChain[req] = true;
                        this.xdEvalReqs(reqChain);
                }
        }
};
dojo.hostenv.xdEvalReqs = function (reqChain) {
        while (reqChain.length > 0) {
                var req = reqChain[reqChain.length - 1];
                var pkg = this.xdDepMap[req];
                if (pkg) {
                        var reqs = pkg.requires;
                        if (reqs && reqs.length > 0) {
                                var nextReq;
                                for (var i = 0; i < reqs.length; i++) {
                                        nextReq = reqs[i].name;
                                        if (nextReq && !reqChain[nextReq]) {
                                                reqChain.push(nextReq);
                                                reqChain[nextReq] = true;
                                                this.xdEvalReqs(reqChain);
                                        }
                                }
                        }
                        var contents = this.xdContents[pkg.contentIndex];
                        if (!contents.isDefined) {
                                var content = contents.content;
                                content["resourceName"] = contents["resourceName"];
                                content["resourcePath"] = contents["resourcePath"];
                                this.xdDefList.push(content);
                                contents.isDefined = true;
                        }
                        this.xdDepMap[req] = null;
                        var reqs = pkg.requiresAfter;
                        if (reqs && reqs.length > 0) {
                                var nextReq;
                                for (var i = 0; i < reqs.length; i++) {
                                        nextReq = reqs[i].name;
                                        if (nextReq && !reqChain[nextReq]) {
                                                reqChain.push(nextReq);
                                                reqChain[nextReq] = true;
                                                this.xdEvalReqs(reqChain);
                                        }
                                }
                        }
                }
                reqChain.pop();
        }
};
dojo.hostenv.clearXdInterval = function () {
        clearInterval(this.xdTimer);
        this.xdTimer = 0;
};
dojo.hostenv.watchInFlightXDomain = function () {
        var waitInterval = (djConfig.xdWaitSeconds || 15) * 1000;
        if (this.xdStartTime + waitInterval < (new Date()).getTime()) {
                this.clearXdInterval();
                var noLoads = "";
                for (var param in this.xdInFlight) {
                        if (this.xdInFlight[param]) {
                                noLoads += param + " ";
                        }
                }
                dojo.raise("Could not load cross-domain packages: " + noLoads);
        }
        for (var param in this.xdInFlight) {
                if (this.xdInFlight[param]) {
                        return;
                }
        }
        this.clearXdInterval();
        this.xdWalkReqs();
        var defLength = this.xdDefList.length;
        for (var i = 0; i < defLength; i++) {
                var content = dojo.hostenv.xdDefList[i];
                if (djConfig["debugAtAllCosts"] && content["resourceName"]) {
                        if (!this["xdDebugQueue"]) {
                                this.xdDebugQueue = [];
                        }
                        this.xdDebugQueue.push({resourceName:content.resourceName, resourcePath:content.resourcePath});
                } else {
                        content(dojo);
                }
        }
        for (var i = 0; i < this.xdContents.length; i++) {
                var current = this.xdContents[i];
                if (current.content && !current.isDefined) {
                        current.content(dojo);
                }
        }
        this.resetXd();
        if (this["xdDebugQueue"] && this.xdDebugQueue.length > 0) {
                this.xdDebugFileLoaded();
        } else {
                this.xdNotifyLoaded();
        }
};
dojo.hostenv.xdNotifyLoaded = function () {
        this.inFlightCount = 0;
        if (this._djInitFired && !this.loadNotifying) {
                this.callLoaded();
        }
};
dojo.hostenv.flattenRequireArray = function (target) {
        if (target) {
                for (var i = 0; i < target.length; i++) {
                        if (target[i] instanceof Array) {
                                target[i] = {name:target[i][0], content:null};
                        } else {
                                target[i] = {name:target[i], content:null};
                        }
                }
        }
};
dojo.hostenv.xdHasCalledPreload = false;
dojo.hostenv.xdRealCallLoaded = dojo.hostenv.callLoaded;
dojo.hostenv.callLoaded = function () {
        if (this.xdHasCalledPreload || dojo.hostenv.getModulePrefix("dojo") == "src" || !this.localesGenerated) {
                this.xdRealCallLoaded();
        } else {
                if (this.localesGenerated) {
                        this.registerNlsPrefix = function () {
                                dojo.registerModulePath("nls", dojo.hostenv.getModulePrefix("dojo") + "/../nls");
                        };
                        this.preloadLocalizations();
                }
        }
        this.xdHasCalledPreload = true;
};