gistfile1.js

/**
Provides Pjax-style content fetching and handling for `Y.App`.

@module app
@submodule app-content
@since 3.6.0
**/

var Lang        = Y.Lang,
    PjaxContent = Y.PjaxContent;

/**
Provides Pjax-style content fetching and handling for `Y.App`.

@class App.Content
@uses Pjax.Content
@extensionfor App
@since 3.6.0
**/
function AppContent() {
    PjaxContent.apply(this, arguments);
}

AppContent.prototype = {
    // -- Public Methods -------------------------------------------------------

    serverContentRoute: function (view, config, options, callback) {
        var args = arguments,
            self = this;

        return function (req, res, next) {
            var viewInfo = Lang.isString(view) && self.getViewInfo(view);

            // If we're suppose to show a preserved view, just show it
            if (viewInfo && viewInfo.preserve && viewInfo.instance) {
                return self.showView.apply(self, args);
            }

            res.showContent = function (node) {
                var container;

                if (node.isFragment()) {
                    if (node.get('children').size() === 1) {
                        container = node.get('firstChild');
                    } else {
                        container = Y.Node.create('<div/>');
                        container.append(node);
                    }
                } else {
                    container = node;
                }

                view || (view = '');
                config || (config = {});

                config.container = container;

                self.showView(view, config, options, callback);
            };

            self._defaultRoute(req, res, next);
        };
    },

    // -- Event Handlers -------------------------------------------------------

    /**
    Default event handler for both the `error` and `load` events. Attempts to
    insert the loaded content into the `container` node and update the page's
    title.

    @method _defCompleteFn
    @param {EventFacade} e
    @protected
    @since 3.5.0
    **/
    _defCompleteFn: function (e) {
        var content = e.content,
            view, activeViewHandle;

        if (!content.node) { return; }

        if (content.title && Y.config.doc) {
            // Make sure the `activeView` does actually change before we go
            // messing with the page title.
            activeViewHandle = this.onceAfter('activeViewChange', function () {
                Y.config.doc.title = content.title;
            });
        }

        e.route.res.showContent(content.node);

        // Detach the handle just in case.
        activeViewHandle.detach();
    }
};

// Mix statics.
Y.mix(AppContent, PjaxContent);
// Mix prototype.
Y.mix(AppContent, PjaxContent, false, null, 1);

// -- Namespace ----------------------------------------------------------------
Y.App.Content = AppContent;
Y.Base.mix(Y.App, [AppContent]);