jsomPublishingAttts.js

    /*
    Web Property:
    __PageLayouts
    
    Web Property Value:
    <pagelayouts>
        <layout guid="e87b7c1d-4a23-4ca1-8fb8-36314cabb7c4" url="_catalogs/masterpage/NewsArticlePage.aspx" />
    </pagelayouts>
    */
    var setAvailablePageLayouts = function (availablePageLayoutFilenames, onSuccess, onFailure) {
        var ctx = SP.ClientContext.get_current();
        var web = ctx.get_web();

        if (jQuery.isArray(availablePageLayoutFilenames) && availablePageLayoutFilenames.length > 0) {
            var gallery = ctx.get_site().get_rootWeb().get_lists().getByTitle("Master Page Gallery");
            getFilesByName(gallery, availablePageLayoutFilenames, availablePageLayoutFilenames.length, function (listItems) {
                var lis = CC.CORE.Utilities.CastSPCollectionToArray(listItems);
                if (lis.length < 1) {
                    onFailure("Found " + lis.length + " page layouts with filenames: " + availablePageLayoutFilenames.join(", "));
                }
                else {
                    var xmlEl = jQuery("<pagelayouts></pagelayouts>");
                    _.each(lis, function (li) {
                        xmlEl.append(getLayoutXml(li));
                    });
                    updatePropertyBag(web, "__PageLayouts", xmlEl[0].outerHTML, onSuccess, onFailure);
                }
            },
            onFailure);
        }
        else {
            updatePropertyBag(web, "__PageLayouts", "__Inherit", onSuccess, onFailure);
        }
    };

    /*
    Web Property:
    __DefaultPageLayout
    
    Web Property Value:
    <layout guid="e87b7c1d-4a23-4ca1-8fb8-36314cabb7c4" url="_catalogs/masterpage/NewsArticlePage.aspx" />
    */
    var setDefaultPageLayout = function (defaultPageLayoutFilename, onSuccess, onFailure) {
        var ctx = SP.ClientContext.get_current();
        var web = ctx.get_web();

        if (typeof defaultPageLayoutFilename === "string" && defaultPageLayoutFilename.length > 0) {
            var gallery = ctx.get_site().get_rootWeb().get_lists().getByTitle("Master Page Gallery");
            getFilesByName(gallery, [defaultPageLayoutFilename], 1, function (listItems) {
                var lis = CC.CORE.Utilities.CastSPCollectionToArray(listItems);
                if (lis.length !== 1) {
                    onFailure("Found " + lis.length+ " page layouts with filename: " + defaultPageLayoutFilename);
                }
                else {
                    var li = lis[0];
                    var xml = getLayoutXml(li);
                    updatePropertyBag(web, "__DefaultPageLayout", xml, onSuccess, onFailure);
                }
            },
            onFailure);
        }
        else {
            updatePropertyBag(web, "__DefaultPageLayout", "__Inherit", onSuccess, onFailure);
        }
    };

    /*
    Web Property:
    __WebTemplates
    
    Web Property Value:
    <webtemplates>
        <lcid id="1033">
            <webtemplate name="{BDACFFF5-05DF-4446-9907-B4C39F15F1D7}#WT_NewsHubSite" />
        </lcid>
        <lcid id="all">
            <webtemplate name="{BDACFFF5-05DF-4446-9907-B4C39F15F1D7}#WT_NewsHubSite" />
        </lcid>
    </webtemplates>
    */
    var setAvailableWebTemplates = function (availableWebTemplates, onSuccess, onFailure) {
        var ctx = SP.ClientContext.get_current();
        var web = ctx.get_web();
        var xml = "";
        var inheritWebTemplates = "False";

        if (jQuery.isArray(availableWebTemplates) && availableWebTemplates.length > 0) {
            var xmlEl = jQuery("<webtemplates><lcid id='all'></lcid></webtemplates>");
            var lcidAll = xmlEl.find("lcid");
            _.each(availableWebTemplates, function (availableWebTemplate) {
                var wtEl = jQuery("<webtemplate />").attr("name", availableWebTemplate);
                lcidAll.append(wtEl);
            });
            xml = xmlEl[0].outerHTML;
        }
        else {
            xml = "";
            inheritWebTemplates = "True";
        }

        updatePropertyBag(web, "__WebTemplates", xml, function () {
            updatePropertyBag(web, "__InheritWebTemplates", inheritWebTemplates, onSuccess, onFailure);
        }, onFailure);
    };

   /*
   Utility methods to support the above
   */
    var getLayoutXml = function (li) {
        var xml = "<layout guid='" + li.get_item("UniqueId") + "' url='" + li.get_item("FileRef") + "' />";
        return xml;
    };

    var getFilesByName = function (list, filenames, rowLimit, onSuccess, onFailure) {
        var camlQuery = new SP.CamlQuery();
        var camlQueryXml = getViewXml("FileLeafRef", "Text", filenames, rowLimit);
        camlQuery.set_viewXml(camlQueryXml);
        var collListItem = list.getItems(camlQuery);
        ctx.load(collListItem, "Include(UniqueId, FileRef)");
        ctx.executeQueryAsync(function () {
            onSuccess(collListItem);
        },
        onFailure);
    };

    var getViewXml = function (fieldName, fieldType, fieldValues, rowLimit) {
        var caml = "<View><Query><Where><In><FieldRef Name='" + fieldName + "' /><Values>";
        _.each(fieldValues, function (fieldValue) {
            caml += "<Value Type='Text'>" + fieldValue + "</Value>";
        });
        caml += "</Values></In></Where></Query><RowLimit>" + rowLimit + "</RowLimit></View>";
        return caml;
    };
    
    var updatePropertyBag = function (propertyBagWeb, key, value, successCallback, failedCallback) {
        var ctx = SP.ClientContext.get_current();
        var properties = propertyBagWeb.get_allProperties();
        properties.set_item(key, value);
        propertyBagWeb.update();

        ctx.load(propertyBagWeb);
        ctx.load(properties);

        ctx.executeQueryAsync(successCallback, failedCallback);
    }