168N/AYUI.add('pjax-base', function(Y) {

769N/A

769N/Avar win = Y.config.win,

168N/A originalRoot = getRoot(),

168N/A

168N/A CLASS_PJAX = Y.ClassNameManager.getClassName('pjax'),

168N/A EVT_NAVIGATE = 'navigate';

168N/A

168N/Afunction getRoot() {

168N/A var segments = (win && win.location.pathname.split('/')) || [];

168N/A segments.pop();

168N/A return segments.join('/');

168N/A}

168N/A

292N/Afunction PjaxBase() {}

168N/A

168N/APjaxBase.prototype = {

168N/A // -- Properties -----------------------------------------------------------

168N/A _resolved: {},

168N/A _regexUrl: /^((?:([^:]+):(?:\/\/)?|\/\/)[^\/]*)?([^?#]*)(.*)$/i,

168N/A

168N/A // -- Lifecycle Methods ----------------------------------------------------

168N/A initializer: function () {

168N/A this._pjaxRoot = originalRoot;

168N/A this.publish(EVT_NAVIGATE, {defaultFn: this._defNavigateFn});

168N/A this._pjaxBindUI();

168N/A },

168N/A

168N/A destructor: function () {

168N/A this._pjaxEvents && this._pjaxEvents.detach();

168N/A },

670N/A

769N/A // -- Public Prototype Methods ---------------------------------------------

168N/A navigate: function (url, options) {

670N/A options || (options = {});

526N/A options.url = url;

526N/A

526N/A this.fire(EVT_NAVIGATE, options);

526N/A },

670N/A

670N/A // -- Protected Prototype Methods ------------------------------------------

526N/A _getRoot: getRoot,

670N/A

526N/A _normalizePath: function (path) {

526N/A var dots = '..',

526N/A slash = '/',

168N/A i, len, normalized, parts, part, stack;

168N/A

670N/A if (!path) {

670N/A return path;

670N/A }

670N/A

168N/A parts = path.split(slash);

168N/A stack = [];

168N/A

168N/A for (i = 0, len = parts.length; i < len; ++i) {

613N/A part = parts[i];

613N/A

613N/A if (part === dots) {

168N/A stack.pop();

613N/A } else if (part) {

613N/A stack.push(part);

613N/A }

168N/A }

168N/A

168N/A normalized = stack.join(slash);

168N/A

168N/A // Append a slash if necessary.

168N/A if (path.charAt(path.length - 1) === slash) {

670N/A normalized += slash;

670N/A }

670N/A

670N/A return normalized;

670N/A },

670N/A

670N/A _pjaxBindUI: function () {

670N/A if (this.html5) {

670N/A this._pjaxEvents = Y.one('body').delegate('click',

670N/A this._onLinkClick, this.get('linkSelector'), this);

670N/A }

670N/A },

670N/A

670N/A _resolvePath: function (path) {

670N/A var root = this._pjaxRoot;

670N/A

670N/A if (!path) {

670N/A return root;

670N/A }

670N/A

670N/A // Path is host relative.

670N/A if (path.charAt(0) === '/') {

670N/A return path;

670N/A }

670N/A

670N/A return this._normalizePath(root + '/' + path);

670N/A },

670N/A

670N/A _resolveUrl: function (url) {

670N/A var self = this,

670N/A resolved = self._resolved,

670N/A resolvedUrl = resolved[url];

670N/A

670N/A if (resolvedUrl) {

670N/A return resolvedUrl;

670N/A }

670N/A

670N/A function resolve(match, prefix, scheme, path, suffix) {

670N/A if (scheme && scheme.toLowerCase().indexOf('http') !== 0) {

670N/A return match;

168N/A }

670N/A

670N/A return (prefix || '') + self._resolvePath(path) + (suffix || '');

670N/A }

670N/A

670N/A // Cache resolved URL.

670N/A resolvedUrl = resolved[url] = url.replace(self._regexUrl, resolve);

670N/A

670N/A return resolvedUrl;

670N/A },

670N/A

670N/A // -- Protected Event Handlers ---------------------------------------------

670N/A _defNavigateFn: function (e) {

168N/A this.save(this._resolveUrl(e.url));

168N/A

168N/A if (this.get('scrollToTop') && Y.config.win) {

168N/A // Scroll to the top of the page. The timeout ensures that the

168N/A // scroll happens after navigation begins, so that the current

670N/A // scroll position will be restored if the user clicks the back

670N/A // button.

670N/A setTimeout(function () {

670N/A Y.config.win.scroll(0, 0);

295N/A }, 1);

295N/A }

295N/A },

670N/A

295N/A _onLinkClick: function (e) {

295N/A var url = this._resolveUrl(e.currentTarget.get('href'));

295N/A

295N/A // Allow the native behavior on middle/right-click, or when Ctrl or

295N/A // Command are pressed.

295N/A if (e.button !== 1 || e.ctrlKey || e.metaKey) { return; }

295N/A

295N/A // Do nothing if there's no matching route for this URL.

295N/A if (!this.hasRoute(url)) { return; }

295N/A

670N/A e.preventDefault();

670N/A

670N/A this.navigate(url, {originEvent: e});

295N/A }

295N/A};

295N/A

295N/APjaxBase.ATTRS = {

295N/A

769N/A linkSelector: {

769N/A value : 'a.' + CLASS_PJAX,

295N/A writeOnce: 'initOnly'

769N/A },

670N/A

670N/A scrollToTop: {

670N/A value: true

670N/A }

670N/A};

670N/A

670N/AY.PjaxBase = PjaxBase;

670N/A

670N/A

670N/A}, '@VERSION@' ,{requires:['classnamemanager', 'controller', 'node-event-delegate']});

295N/A