diff -r 058bb3dc685f -r 0b59724cb3f2 cubicweb/web/data/cubicweb.ajax.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cubicweb/web/data/cubicweb.ajax.js	Sat Jan 16 13:48:51 2016 +0100
@@ -0,0 +1,743 @@
+/* copyright 2003-2014 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+ * contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
+ *
+ * This file is part of CubicWeb.
+ *
+ * CubicWeb is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free
+ * Software Foundation, either version 2.1 of the License, or (at your option)
+ * any later version.
+ *
+ * CubicWeb is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License along
+ * with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * .. function:: Deferred
+ *
+ * dummy ultra minimalist implementation of deferred for jQuery
+ */
+
+cw.ajax = new Namespace('cw.ajax');
+
+function Deferred() {
+    this.__init__(this);
+}
+
+jQuery.extend(Deferred.prototype, {
+    __init__: function() {
+        this._onSuccess = [];
+        this._onFailure = [];
+        this._req = null;
+        this._result = null;
+        this._error = null;
+    },
+
+    addCallback: function(callback) {
+        if (this._req && (this._req.readyState == 4) && this._result) {
+            var args = [this._result, this._req];
+            jQuery.merge(args, cw.utils.sliceList(arguments, 1));
+            callback.apply(null, args);
+        }
+        else {
+            this._onSuccess.push([callback, cw.utils.sliceList(arguments, 1)]);
+        }
+        return this;
+    },
+
+    addErrback: function(callback) {
+        if (this._req && this._req.readyState == 4 && this._error) {
+            callback.apply(null, [this._error, this._req]);
+        }
+        else {
+            this._onFailure.push([callback, cw.utils.sliceList(arguments, 1)]);
+        }
+        return this;
+    },
+
+    success: function(result) {
+        this._result = result;
+        for (var i = 0; i < this._onSuccess.length; i++) {
+            var callback = this._onSuccess[i][0];
+            var args = [result, this._req];
+            jQuery.merge(args, this._onSuccess[i][1]);
+            callback.apply(null, args);
+        }
+    },
+
+    error: function(xhr, status, error) {
+        this._error = error;
+        for (var i = 0; i < this._onFailure.length; i++) {
+            var callback = this._onFailure[i][0];
+            var args = [error, this._req];
+            jQuery.merge(args, this._onFailure[i][1]);
+            if (callback !== undefined)
+                callback.apply(null, args);
+        }
+    }
+
+});
+
+var AJAX_PREFIX_URL = 'ajax';
+var JSON_BASE_URL = BASE_URL + 'json?';
+var AJAX_BASE_URL = BASE_URL + AJAX_PREFIX_URL + '?';
+
+
+jQuery.extend(cw.ajax, {
+    /* variant of jquery evalScript with cache: true in ajax call */
+    _evalscript: function ( i, elem ) {
+       var src = elem.getAttribute('src');
+       if (src) {
+           jQuery.ajax({
+               url: src,
+               async: false,
+               cache: true,
+               dataType: "script"
+           });
+       } else {
+           jQuery.globalEval( elem.text || elem.textContent || elem.innerHTML || "" );
+       }
+       if ( elem.parentNode ) {
+           elem.parentNode.removeChild( elem );
+       }
+    },
+
+    evalscripts: function ( scripts ) {
+        if ( scripts.length ) {
+            jQuery.each(scripts, cw.ajax._evalscript);
+        }
+    },
+
+    /**
+     * returns true if `url` is a mod_concat-like url
+     * (e.g. http://..../data??resource1.js,resource2.js)
+     */
+    _modconcatLikeUrl: function(url) {
+        var modconcat_rgx = new RegExp('(' + BASE_URL + 'data/([a-z0-9]+/)?)\\?\\?(.+)');
+        return modconcat_rgx.exec(url);
+    },
+
+    /**
+     * decomposes a mod_concat-like url into its corresponding list of
+     * resources' urls
+     * >>> _listResources('http://foo.com/data/??a.js,b.js,c.js')
+     * ['http://foo.com/data/a.js', 'http://foo.com/data/b.js', 'http://foo.com/data/c.js']
+     */
+    _listResources: function(src) {
+        var resources = [];
+        var groups = cw.ajax._modconcatLikeUrl(src);
+        if (groups == null) {
+            resources.push(src);
+        } else {
+            var dataurl = groups[1];
+            $.each(cw.utils.lastOf(groups).split(','),
+                 function() {
+                     resources.push(dataurl + this);
+                 }
+            );
+        }
+        return resources;
+    },
+
+    _buildMissingResourcesUrl: function(url, loadedResources) {
+        var resources = cw.ajax._listResources(url);
+        var missingResources = $.grep(resources, function(resource) {
+            return $.inArray(resource, loadedResources) == -1;
+        });
+        cw.utils.extend(loadedResources, missingResources);
+        var missingResourceUrl = null;
+        if (missingResources.length == 1) {
+            // only one resource missing: build a node with a single resource url
+            // (maybe the browser has it in cache already)
+            missingResourceUrl = missingResources[0];
+        } else if (missingResources.length > 1) {
+            // several resources missing: build a node with a concatenated
+            // resources url
+            var dataurl = cw.ajax._modconcatLikeUrl(url)[1];
+            var missing_path = $.map(missingResources, function(resource) {
+                return resource.substring(dataurl.length);
+            });
+            missingResourceUrl = dataurl + '??' + missing_path.join(',');
+        }
+        return missingResourceUrl;
+    },
+
+    _loadAjaxStylesheets: function($responseHead, $head) {
+        $responseHead.find('link[href]').each(function(i) {
+            var $srcnode = $(this);
+            var url = $srcnode.attr('href');
+            if (url) {
+                var missingStylesheetsUrl = cw.ajax._buildMissingResourcesUrl(url, cw.loaded_links);
+                // compute concat-like url for missing resources and append <link>
+                // element to $head
+                if (missingStylesheetsUrl) {
+                    // IE has problems with dynamic CSS insertions. One symptom (among others)
+                    // is a "1 item remaining" message in the status bar. (cf. #2356261)
+                    // document.createStyleSheet needs to be used for this, although it seems
+                    // that IE can't create more than 31 additional stylesheets with
+                    // document.createStyleSheet.
+                    if ($.browser.msie) {
+                        document.createStyleSheet(missingStylesheetsUrl);
+                    } else {
+                        $srcnode.attr('href', missingStylesheetsUrl);
+                        $srcnode.appendTo($head);
+                    }
+                }
+            }
+        });
+        $responseHead.find('link[href]').remove();
+    },
+
+    _loadAjaxScripts: function($responseHead, $head) {
+        $responseHead.find('cubicweb\\:script').each(function(i) {
+            var $srcnode = $(this);
+            var url = $srcnode.attr('src');
+            if (url) {
+                var missingScriptsUrl = cw.ajax._buildMissingResourcesUrl(url, cw.loaded_scripts);
+                if (missingScriptsUrl) {
+                    $srcnode.attr('src', missingScriptsUrl);
+                    /* special handling of <script> tags: script nodes appended by jquery
+                     * use uncached ajax calls and do not appear in the DOM
+                     * (See comments in response to Syt on // http://api.jquery.com/append/),
+                     * which cause undesired duplicated load in our case. We now handle
+                     * a list of already loaded resources, since bare DOM api gives bugs with the
+                     * server-response event, and we lose control on when the
+                     * script is loaded (jQuery loads it immediately). */
+                    cw.ajax.evalscripts($srcnode);
+                }
+            } else {
+                // <script> contains inlined javascript code, node content
+                // must be evaluated
+    	        jQuery.globalEval($srcnode.text());
+    	    }
+        });
+        $responseHead.find('cubicweb\\:script').remove();
+    }
+});
+
+//============= utility function handling remote calls responses. ==============//
+/**
+ * .. function:: function loadAjaxHtmlHead(response)
+ *
+ * inspect dom response (as returned by getDomFromResponse), search for
+ * a <div class="ajaxHtmlHead"> node and put its content into the real
+ * document's head.
+ * This enables dynamic css and js loading and is used by replacePageChunk
+ */
+function loadAjaxHtmlHead(response) {
+    var $head = jQuery('head');
+    var $responseHead = jQuery(response).find('div.ajaxHtmlHead');
+    // no ajaxHtmlHead found, no processing required
+    if (!$responseHead.length) {
+        return response;
+    }
+    cw.ajax._loadAjaxStylesheets($responseHead, $head);
+    cw.ajax._loadAjaxScripts($responseHead, $head);
+    // add any remaining children (e.g. meta)
+    $responseHead.children().appendTo($head);
+    // remove original container, which is now empty
+    $responseHead.remove();
+    // if there was only one actual node in the reponse besides
+    // the ajaxHtmlHead, then remove the wrapper created by
+    // getDomFromResponse() and return this single element
+    // For instance :
+    // 1/ CW returned the following content :
+    //    <div>the-actual-content</div><div class="ajaxHtmlHead">...</div>
+    // 2/ getDomFromReponse() wrapped this into a single DIV to hold everything
+    //    in one, unique, dom element
+    // 3/ now that we've removed the ajaxHtmlHead div, the only
+    //    node left in the wrapper if the 'real' node built by the view,
+    //    we can safely return this node. Otherwise, the view itself
+    //    returned several 'root' nodes and we need to keep the wrapper
+    //    created by getDomFromResponse()
+    if (response.childNodes.length == 1 && response.getAttribute('cubicweb:type') == 'cwResponseWrapper') {
+        return response.firstChild;
+    }
+    return response;
+}
+
+function _postAjaxLoad(node) {
+    // find textareas and wrap them if there are some
+    if (typeof(FCKeditor) != 'undefined') {
+        buildWysiwygEditors();
+    }
+    if (typeof initFacetBoxEvents != 'undefined') {
+        initFacetBoxEvents(node);
+    }
+    if (typeof buildWidgets != 'undefined') {
+        buildWidgets(node);
+    }
+    if (typeof roundedCorners != 'undefined') {
+        roundedCorners(node);
+    }
+    _loadDynamicFragments(node);
+    jQuery(cw).trigger('server-response', [true, node]);
+    jQuery(node).trigger('server-response', [true, node]);
+}
+
+function remoteCallFailed(err, req) {
+    cw.log(err);
+    if (req.status == 500) {
+        updateMessage(err);
+    } else {
+        updateMessage(_("an error occurred while processing your request"));
+    }
+}
+
+//============= base AJAX functions to make remote calls =====================//
+/**
+ * .. function:: ajaxFuncArgs(fname, form, *args)
+ *
+ * extend `form` parameters to call the js_`fname` function of the json
+ * controller with `args` arguments.
+ */
+function ajaxFuncArgs(fname, form /* ... */) {
+    form = form || {};
+    $.extend(form, {
+        'fname': fname,
+        'pageid': pageid,
+        'arg': $.map(cw.utils.sliceList(arguments, 2), JSON.stringify)
+    });
+    return form;
+}
+
+/**
+ * .. function:: loadxhtml(url, form, reqtype='get', mode='replace', cursor=false)
+ *
+ * build url given by absolute or relative `url` and `form` parameters
+ * (dictionary), fetch it using `reqtype` method, then evaluate the
+ * returned XHTML and insert it according to `mode` in the
+ * document. Possible modes are :
+ *
+ *    - 'replace' to replace the node's content with the generated HTML
+ *    - 'swap' to replace the node itself with the generated HTML
+ *    - 'append' to append the generated HTML to the node's content
+ *
+ * If `cursor`, turn mouse cursor into 'progress' cursor until the remote call
+ * is back.
+ */
+jQuery.fn.loadxhtml = function(url, form, reqtype, mode, cursor) {
+    if (this.size() > 1) {
+        cw.log('loadxhtml called with more than one element');
+    } else if (this.size() < 1) {
+        cw.log('loadxhtml called without an element');
+    }
+    var node = this.get(0); // only consider the first element
+    if (cursor) {
+        setProgressCursor();
+    }
+    var d = loadRemote(url, form, reqtype);
+    d.addCallback(function(response) {
+        var domnode = getDomFromResponse(response);
+        domnode = loadAjaxHtmlHead(domnode);
+        mode = mode || 'replace';
+        // make sure the component is visible
+        $(node).removeClass("hidden");
+        if (mode == 'swap') {
+            var origId = node.id;
+            node = cw.swapDOM(node, domnode);
+            if (!node.id) {
+                node.id = origId;
+            }
+        } else if (mode == 'replace') {
+            jQuery(node).empty().append(domnode);
+        } else if (mode == 'append') {
+            jQuery(node).append(domnode);
+        }
+        _postAjaxLoad(node);
+    });
+    d.addErrback(remoteCallFailed);
+    if (cursor) {
+        d.addCallback(resetCursor);
+        d.addErrback(resetCursor);
+    }
+    return d;
+}
+
+/**
+ * .. function:: loadRemote(url, form, reqtype='POST', sync=false)
+ *
+ * Asynchronously (unless `sync` argument is set to true) load a URL or path
+ * and return a deferred whose callbacks args are decoded according to the
+ * Content-Type response header. `form` should be additional form params
+ * dictionary, `reqtype` the HTTP request type (get 'GET' or 'POST').
+ */
+function loadRemote(url, form, reqtype, sync) {
+    if (!url.toLowerCase().startswith(BASE_URL.toLowerCase())) {
+        url = BASE_URL + url;
+    }
+    if (!sync) {
+        var deferred = new Deferred();
+        jQuery.ajax({
+            url: url,
+            type: (reqtype || 'POST').toUpperCase(),
+            data: form,
+            traditional: true,
+            async: true,
+
+            beforeSend: function(xhr) {
+                deferred._req = xhr;
+            },
+
+            success: function(data, status) {
+                deferred.success(data);
+            },
+
+            error: function(xhr, status, error) {
+                try {
+                    if (xhr.status == 500) {
+                        var reason_dict = cw.evalJSON(xhr.responseText);
+                        deferred.error(xhr, status, reason_dict['reason']);
+                        return;
+                    }
+                } catch(exc) {
+                    cw.log('error with server side error report:' + exc);
+                }
+                deferred.error(xhr, status, null);
+            }
+        });
+        return deferred;
+    } else {
+        var result;
+        // jQuery.ajax returns the XHR object, even for synchronous requests,
+        // but in that case, the success callback will be called before
+        // jQuery.ajax returns. The first argument of the callback will be
+        // the server result, interpreted by jQuery according to the reponse's
+        // content-type (i.e. json or xml)
+        jQuery.ajax({
+            url: url,
+            type: (reqtype || 'GET').toUpperCase(),
+            data: form,
+            traditional: true,
+            async: false,
+            success: function(res) {
+                result = res;
+            }
+        });
+        return result;
+    }
+}
+
+//============= higher level AJAX functions using remote calls ===============//
+
+var _i18ncache = {};
+
+/**
+ * .. function:: _(message)
+ *
+ * emulation of gettext's _ shortcut
+ */
+function _(message) {
+    var form;
+    if (!(message in _i18ncache)) {
+        form = ajaxFuncArgs('i18n', null, [message]);
+        _i18ncache[message] = loadRemote(AJAX_BASE_URL, form, 'GET', true)[0];
+    }
+    return _i18ncache[message];
+}
+
+/**
+ * .. function:: _loadDynamicFragments(node)
+ *
+ * finds each dynamic fragment in the page and executes the
+ * the associated RQL to build them (Async call)
+ */
+function _loadDynamicFragments(node) {
+    if (node) {
+        var fragments = jQuery(node).find('div.dynamicFragment');
+    } else {
+        var fragments = jQuery('div.dynamicFragment');
+    }
+    if (fragments.length == 0) {
+        return;
+    }
+    if (typeof LOADING_MSG == 'undefined') {
+        LOADING_MSG = 'loading'; // this is only a safety belt, it should not happen
+    }
+    for (var i = 0; i < fragments.length; i++) {
+        var fragment = fragments[i];
+        fragment.innerHTML = '<h3>' + LOADING_MSG + ' ... <img src="data/loading.gif" /></h3>';
+        var $fragment = jQuery(fragment);
+        // if cubicweb:loadurl is set, just pick the url et send it to loadxhtml
+        var url = $fragment.attr('cubicweb:loadurl');
+        if (url) {
+            $fragment.loadxhtml(url);
+            continue;
+        }
+        // else: rebuild full url by fetching cubicweb:rql, cubicweb:vid, etc.
+        var rql = $fragment.attr('cubicweb:rql');
+        var items = $fragment.attr('cubicweb:vid').split('&');
+        var vid = items[0];
+        var extraparams = {};
+        // case where vid='myvid&param1=val1&param2=val2': this is a deprecated abuse-case
+        if (items.length > 1) {
+            cw.log("[3.5] you're using extraargs in cubicweb:vid " +
+                   "attribute, this is deprecated, consider using " +
+                   "loadurl instead");
+            for (var j = 1; j < items.length; j++) {
+                var keyvalue = items[j].split('=');
+                extraparams[keyvalue[0]] = keyvalue[1];
+            }
+        }
+        var actrql = $fragment.attr('cubicweb:actualrql');
+        if (actrql) {
+            extraparams['actualrql'] = actrql;
+        }
+        var fbvid = $fragment.attr('cubicweb:fallbackvid');
+        if (fbvid) {
+            extraparams['fallbackvid'] = fbvid;
+        }
+        extraparams['rql'] = rql;
+        extraparams['vid'] = vid;
+        $fragment.loadxhtml(AJAX_BASE_URL, ajaxFuncArgs('view', extraparams));
+    }
+}
+function unloadPageData() {
+    // NOTE: do not make async calls on unload if you want to avoid
+    //       strange bugs
+    loadRemote(AJAX_BASE_URL, ajaxFuncArgs('unload_page_data'), 'POST', true);
+}
+
+function removeBookmark(beid) {
+    var d = loadRemote(AJAX_BASE_URL, ajaxFuncArgs('delete_bookmark', null, beid));
+    d.addCallback(function(boxcontent) {
+        $('#bookmarks_box').loadxhtml(AJAX_BASE_URL,
+                                      ajaxFuncArgs('render', null, 'ctxcomponents',
+                                                   'bookmarks_box'),
+                                      null, 'swap');
+        document.location.hash = '#header';
+        updateMessage(_("bookmark has been removed"));
+    });
+}
+
+
+//============= XXX move those functions? ====================================//
+function openHash() {
+    if (document.location.hash) {
+        var nid = document.location.hash.replace('#', '');
+        var node = jQuery('#' + nid);
+        if (node) {
+            $(node).removeClass("hidden");
+        }
+    };
+}
+jQuery(document).ready(openHash);
+
+/**
+ * .. function:: buildWysiwygEditors(parent)
+ *
+ *XXX: this function should go in edition.js but as for now, htmlReplace
+ * references it.
+ *
+ * replace all textareas with fckeditors.
+ */
+function buildWysiwygEditors(parent) {
+    jQuery('textarea').each(function() {
+        if (this.getAttribute('cubicweb:type') == 'wysiwyg') {
+            // mark editor as instanciated, we may be called a number of times
+            // (see _postAjaxLoad)
+            this.setAttribute('cubicweb:type', 'fckeditor');
+            if (typeof FCKeditor != "undefined") {
+                var fck = new FCKeditor(this.id);
+                fck.Config['CustomConfigurationsPath'] = fckconfigpath;
+                fck.Config['DefaultLanguage'] = fcklang;
+                fck.BasePath = BASE_URL + "fckeditor/";
+                fck.ReplaceTextarea();
+            } else {
+                cw.log('fckeditor could not be found.');
+            }
+        }
+    });
+}
+jQuery(document).ready(buildWysiwygEditors);
+
+/**
+ * .. function:: stripEmptyTextNodes(nodelist)
+ *
+ * takes a list of DOM nodes and removes all empty text nodes
+ */
+function stripEmptyTextNodes(nodelist) {
+    /* this DROPS empty text nodes */
+    var stripped = [];
+    for (var i = 0; i < nodelist.length; i++) {
+        var node = nodelist[i];
+        if (isTextNode(node)) {
+            /* all browsers but FF -> innerText, FF -> textContent  */
+            var text = node.innerText || node.textContent;
+            if (text && ! text.strip()) {
+                continue;
+            }
+        } else {
+            stripped.push(node);
+        }
+    }
+    return stripped;
+}
+
+/**
+ * .. function:: getDomFromResponse(response)
+ *
+ * convenience function that returns a DOM node based on req's result.
+ * XXX clarify the need to clone
+ * */
+function getDomFromResponse(response) {
+    if (typeof(response) == 'string') {
+        var doc = html2dom(response);
+    } else {
+        var doc = response.documentElement;
+    }
+    var children = doc.childNodes;
+    if (!children.length) {
+        // no child (error cases) => return the whole document
+        return jQuery(doc).clone().context;
+    }
+    children = stripEmptyTextNodes(children);
+    if (children.length == 1) {
+        // only one child => return it
+        return jQuery(children[0]).clone().context;
+    }
+    // several children => wrap them in a single node and return the wrap
+    return DIV({'cubicweb:type': "cwResponseWrapper"},
+               $.map(children, function(node) {
+                       return jQuery(node).clone().context;})
+               );
+}
+
+/* High-level functions *******************************************************/
+
+/**
+ * .. function:: reloadCtxComponentsSection(context, actualEid, creationEid=None)
+ *
+ * reload all components in the section for a given `context`.
+ *
+ * This is necessary for cases where the parent entity (on which the section
+ * apply) has been created during post, hence the section has to be reloaded to
+ * consider its new eid, hence the two additional arguments `actualEid` and
+ * `creationEid`: `actualEid` is the eid of newly created top level entity and
+ * `creationEid` the fake eid that was given as form creation marker (e.g. A).
+ *
+ * You can still call this function with only the actual eid if you're not in
+ * such creation case.
+ */
+function reloadCtxComponentsSection(context, actualEid, creationEid) {
+    // in this case, actualEid is the eid of newly created top level entity and
+    // creationEid the fake eid given as form creation marker (e.g. A)
+    if (!creationEid) { creationEid = actualEid ; }
+    var $compsholder = $('#' + context + creationEid);
+    // reload the whole components section
+    $compsholder.children().each(function (index) {
+	// XXX this.id[:-len(eid)]
+	var compid = this.id.replace("_", ".").rstrip(creationEid);
+	var params = ajaxFuncArgs('render', null, 'ctxcomponents',
+				  compid, actualEid);
+	$(this).loadxhtml(AJAX_BASE_URL, params, null, 'swap', true);
+    });
+    $compsholder.attr('id', context + actualEid);
+}
+
+
+/**
+ * .. function:: reload(domid, compid, registry, formparams, *render_args)
+ *
+ * `js_render` based reloading of views and components.
+ */
+function reload(domid, compid, registry, formparams  /* ... */) {
+    var ajaxArgs = ['render', formparams, registry, compid];
+    ajaxArgs = ajaxArgs.concat(cw.utils.sliceList(arguments, 4));
+    var params = ajaxFuncArgs.apply(null, ajaxArgs);
+    return $('#'+domid).loadxhtml(AJAX_BASE_URL, params, null, 'swap', true);
+}
+
+/* ajax tabs ******************************************************************/
+
+function setTab(tabname, cookiename) {
+    // set appropriate cookie
+    jQuery.cookie(cookiename, tabname, {path: '/'});
+    // trigger show + tabname event
+    triggerLoad(tabname);
+}
+
+function loadNow(eltsel, holesel, reloadable) {
+    var lazydiv = jQuery(eltsel);
+    var hole = lazydiv.children(holesel);
+    hole.show();
+    if ((hole.length == 0) && ! reloadable) {
+        /* the hole is already filed */
+        return;
+    }
+    lazydiv.loadxhtml(lazydiv.attr('cubicweb:loadurl'), {'pageid': pageid});
+}
+
+function triggerLoad(divid) {
+    jQuery('#lazy-' + divid).trigger('load_' + divid);
+}
+
+/* DEPRECATED *****************************************************************/
+
+// still used in cwo and keyword cubes at least
+reloadComponent = cw.utils.deprecatedFunction(
+    '[3.9] reloadComponent() is deprecated, use loadxhtml instead',
+    function(compid, rql, registry, nodeid, extraargs) {
+        registry = registry || 'components';
+        rql = rql || '';
+        nodeid = nodeid || (compid + 'Component');
+        extraargs = extraargs || {};
+        var node = cw.jqNode(nodeid);
+        return node.loadxhtml(AJAX_BASE_URL, ajaxFuncArgs('component', null, compid,
+                                                          rql, registry, extraargs));
+    }
+);
+
+
+function remoteExec(fname /* ... */) {
+    setProgressCursor();
+    var props = {
+        fname: fname,
+        pageid: pageid,
+        arg: $.map(cw.utils.sliceList(arguments, 1), JSON.stringify)
+    };
+    var result = jQuery.ajax({
+        url: AJAX_BASE_URL,
+        data: props,
+        async: false,
+        traditional: true
+    }).responseText;
+    if (result) {
+        result = cw.evalJSON(result);
+    }
+    resetCursor();
+    return result;
+}
+
+function asyncRemoteExec(fname /* ... */) {
+    setProgressCursor();
+    var props = {
+        fname: fname,
+        pageid: pageid,
+        arg: $.map(cw.utils.sliceList(arguments, 1), JSON.stringify)
+    };
+    // XXX we should inline the content of loadRemote here
+    var deferred = loadRemote(AJAX_BASE_URL, props, 'POST');
+    deferred = deferred.addErrback(remoteCallFailed);
+    deferred = deferred.addErrback(resetCursor);
+    deferred = deferred.addCallback(resetCursor);
+    return deferred;
+}
+
+jQuery(document).ready(function() {
+    _loadDynamicFragments();
+    // build loaded_scripts / loaded_links lists
+    cw.loaded_scripts = [];
+    jQuery('head script[src]').each(function(i) {
+        cw.utils.extend(cw.loaded_scripts, cw.ajax._listResources(this.getAttribute('src')));
+    });
+    cw.loaded_links = [];
+    jQuery('head link[href]').each(function(i) {
+        cw.utils.extend(cw.loaded_links, cw.ajax._listResources(this.getAttribute('href')));
+    });
+});