/*---------------------------------------------------------
 * OpenERP web library
 *---------------------------------------------------------*/

openerp.web.views = function(openerp) {

var _t = openerp.web._t;
var QWeb = openerp.web.qweb;

/**
 * Registry for all the client actions key: tag value: widget
 */
openerp.web.client_actions = new openerp.web.Registry();

openerp.web.ActionManager = openerp.web.Widget.extend({
    identifier_prefix: "actionmanager",
    init: function(parent) {
        this._super(parent);
        this.inner_viewmanager = null;
        this.dialog = null;
        this.dialog_viewmanager = null;
        this.client_widget = null;
        this.url = {}
    },
    render: function() {
        return "<div id='"+this.element_id+"'></div>";
    },
    dialog_stop: function () {
        if (this.dialog) {
            this.dialog_viewmanager.stop();
            this.dialog_viewmanager = null;
            this.dialog.stop();
            this.dialog = null;
        }
    },
    content_stop: function () {
        if (this.inner_viewmanager) {
            this.inner_viewmanager.stop();
            this.inner_viewmanager = null;
        }
        if (this.client_widget) {
            this.client_widget.stop();
            this.client_widget = null;
        }
    },
    url_update: function(action) {
        // this.url = {
        //     "model": action.model,
        //     "domain": action.domain,
        // };
        // action.res_model
        // action.domain
        // action.context
        // after
        // action.views
        // action.res_id
        // mode
        // menu
    },
    url_stringify: function(action) {
    },
    url_parse: function(action) {
    },
    on_url_update: function(url) {
    },
    do_url_action: function(url) {
    },
    do_action: function(action, on_close) {
        var type = action.type.replace(/\./g,'_');
        var popup = action.target === 'new';
        action.flags = _.extend({
            views_switcher : !popup,
            search_view : !popup,
            action_buttons : !popup,
            sidebar : !popup,
            pager : !popup
        }, action.flags || {});
        if (!(type in this)) {
            this.log("Action manager can't handle action of type " + action.type, action);
            return;
        }
        this[type](action, on_close);
    },
    ir_actions_act_window: function (action, on_close) {
        if (action.target === 'new') {
            if (this.dialog == null) {
                this.dialog = new openerp.web.Dialog(this, { title: action.name, width: '80%' });
                if(on_close)
                    this.dialog.on_close.add(on_close);
                this.dialog.start();
            } else {
                this.dialog_viewmanager.stop();
            }
            this.dialog_viewmanager = new openerp.web.ViewManagerAction(this, action);
            this.dialog_viewmanager.appendTo(this.dialog.$element);
            this.dialog.open();
        } else  {
            this.dialog_stop();
            this.content_stop();
            this.inner_viewmanager = new openerp.web.ViewManagerAction(this, action);
            this.inner_viewmanager.appendTo(this.$element);
            this.url_update(action);
        }
        /* new window code
            this.rpc("/web/session/save_session_action", { the_action : action}, function(key) {
                var url = window.location.protocol + "//" + window.location.host + window.location.pathname + "?" + jQuery.param({ s_action : "" + key });
                window.open(url,'_blank');
            });
        */
    },
    ir_actions_act_window_close: function (action, on_closed) {
        this.dialog_stop();
    },
    ir_actions_server: function (action, on_closed) {
        var self = this;
        this.rpc('/web/action/run', {
            action_id: action.id,
            context: action.context || {}
        }).then(function (action) {
            self.do_action(action, on_closed)
        });
    },
    ir_actions_client: function (action) {
        this.content_stop();
        var ClientWidget = openerp.web.client_actions.get_object(action.tag);
        (this.client_widget = new ClientWidget(this, action.params)).appendTo(this);
    },
    ir_actions_report_xml: function(action) {
        $.blockUI();
        this.session.get_file({
            url: '/web/report',
            data: {action: JSON.stringify(action)},
            complete: $.unblockUI
        });
    }
});

openerp.web.ViewManager =  openerp.web.Widget.extend(/** @lends openerp.web.ViewManager# */{
    identifier_prefix: "viewmanager",
    template: "ViewManager",
    /**
     * @constructs openerp.web.ViewManager
     * @extends openerp.web.Widget
     *
     * @param parent
     * @param dataset
     * @param views
     */
    init: function(parent, dataset, views) {
        this._super(parent);
        this.model = dataset.model;
        this.dataset = dataset;
        this.searchview = null;
        this.active_view = null;
        this.views_src = _.map(views, function(x) {return x instanceof Array? {view_id: x[0], view_type: x[1]} : x;});
        this.views = {};
        this.flags = this.flags || {};
        this.registry = openerp.web.views;
    },
    render: function() {
        return QWeb.render(this.template, {"prefix": this.element_id, views: this.views_src})
    },
    /**
     * @returns {jQuery.Deferred} initial view loading promise
     */
    start: function() {
        this._super();
        var self = this;
        this.dataset.start();
        this.$element.find('.oe_vm_switch button').click(function() {
            self.on_mode_switch($(this).data('view-type'));
        });
        var views_ids = {};
        _.each(this.views_src, function(view) {
            self.views[view.view_type] = $.extend({}, view, {
                controller : null,
                options : _.extend({
                    sidebar_id : self.element_id + '_sidebar_' + view.view_type,
                    action : self.action,
                    action_views_ids : views_ids
                }, self.flags, view.options || {})
            });
            views_ids[view.view_type] = view.view_id;
        });
        if (this.flags.views_switcher === false) {
            this.$element.find('.oe_vm_switch').hide();
        }
        // switch to the first one in sequence
        return this.on_mode_switch(this.views_src[0].view_type);
    },
    /**
     * Asks the view manager to switch visualization mode.
     *
     * @param {String} view_type type of view to display
     * @returns {jQuery.Deferred} new view loading promise
     */
    on_mode_switch: function(view_type) {
        var self = this,
            view_promise;
        this.active_view = view_type;
        var view = this.views[view_type];
        if (!view.controller) {
            // Lazy loading of views
            var controllerclass = this.registry.get_object(view_type);
            var controller = new controllerclass(this, this.element_id + '_view_' + view_type,
                this.dataset, view.view_id, view.options);
            if (view.embedded_view) {
                controller.set_embedded_view(view.embedded_view);
            }
            controller.do_switch_view.add_last(this.on_mode_switch);
            if (view_type === 'list' && this.flags.search_view === false && this.action && this.action['auto_search']) {
                // In case the search view is not instantiated: manually call ListView#search
                var domains = !_(self.action.domain).isEmpty()
                                ? [self.action.domain] : [],
                   contexts = !_(self.action.context).isEmpty()
                                ? [self.action.context] : [];
                controller.on_loaded.add({
                    callback: function () {
                        controller.do_search(domains, contexts, []);
                    },
                    position: 'last',
                    unique: true
                });
            }
            view_promise = controller.start();
            $.when(view_promise).then(function() {
                self.on_controller_inited(view_type, controller);
            });
            this.views[view_type].controller = controller;
        }


        if (this.searchview) {
            if (view.controller.searchable === false) {
                this.searchview.hide();
            } else {
                this.searchview.show();
            }
        }

        this.$element
            .find('.views-switchers button').removeAttr('disabled')
            .filter('[data-view-type="' + view_type + '"]')
            .attr('disabled', true);

        for (var view_name in this.views) {
            if (!this.views.hasOwnProperty(view_name)) { continue; }
            if (this.views[view_name].controller) {
                if (view_name === view_type) {
                    $.when(view_promise).then(this.views[view_name].controller.do_show);
                } else {
                    this.views[view_name].controller.do_hide();
                }
            }
        }
        return view_promise;
    },
    /**
     * Event launched when a controller has been inited.
     *
     * @param {String} view_type type of view
     * @param {String} view the inited controller
     */
    on_controller_inited: function(view_type, view) {
    },
    /**
     * Sets up the current viewmanager's search view.
     *
     * @param {Number|false} view_id the view to use or false for a default one
     * @returns {jQuery.Deferred} search view startup deferred
     */
    setup_search_view: function(view_id, search_defaults) {
        var self = this;
        if (this.searchview) {
            this.searchview.stop();
        }
        this.searchview = new openerp.web.SearchView(
                this, this.element_id + "_search", this.dataset,
                view_id, search_defaults);

        this.searchview.on_search.add(function(domains, contexts, groupbys) {
            var controller = self.views[self.active_view].controller;
            controller.do_search.call(controller, domains, contexts, groupbys);
        });
        return this.searchview.start();
    },
    /**
     * Called when one of the view want to execute an action
     */
    on_action: function(action) {
    },
    on_create: function() {
    },
    on_remove: function() {
    },
    on_edit: function() {
    }
});

openerp.web.ViewManagerAction = openerp.web.ViewManager.extend(/** @lends oepnerp.web.ViewManagerAction# */{
    template:"ViewManagerAction",
    /**
     * @constructs openerp.web.ViewManagerAction
     * @extends openerp.web.ViewManager
     *
     * @param {openerp.web.ActionManager} parent parent object/widget
     * @param {Object} action descriptor for the action this viewmanager needs to manage its views.
     */
    init: function(parent, action) {
        this.action = action;
        var dataset = new openerp.web.DataSetSearch(this, action.res_model, action.context, action.domain);
        if (action.res_id) {
            dataset.ids.push(action.res_id);
            dataset.index = 0;
        }
        this._super(parent, dataset, action.views);
        this.flags = this.action.flags || {};
        if (action.res_model == 'board.board' && action.views.length == 1 && action.views) {
            // Not elegant but allows to avoid flickering of SearchView#do_hide
            this.flags.search_view = this.flags.pager = this.flags.sidebar = this.flags.action_buttons = false;
        }
    },
    /**
     * Initializes the ViewManagerAction: sets up the searchview (if the
     * searchview is enabled in the manager's action flags), calls into the
     * parent to initialize the primary view and (if the VMA has a searchview)
     * launches an initial search after both views are done rendering.
     */
    start: function() {
        var searchview_loaded;
        if (this.flags.search_view !== false) {
            var search_defaults = {};
            _.each(this.action.context, function (value, key) {
                var match = /^search_default_(.*)$/.exec(key);
                if (match) {
                    search_defaults[match[1]] = value;
                }
            });
            // init search view
            var searchview_id = this.action['search_view_id'] && this.action['search_view_id'][0];

            searchview_loaded = this.setup_search_view(
                    searchview_id || false, search_defaults);
        }

        var main_view_loaded = this._super();

        var manager_ready = $.when(searchview_loaded, main_view_loaded);
        if (searchview_loaded && this.action['auto_search']) {
            // schedule auto_search
            manager_ready.then(this.searchview.do_search);
        }
        return manager_ready;
    },
    on_mode_switch: function (view_type) {
        return $.when(
            this._super(view_type),
            this.shortcut_check(this.views[view_type]));
    },
    shortcut_check : function(view) {
        var self = this;
        var grandparent = this.widget_parent && this.widget_parent.widget_parent;
        // display shortcuts if on the first view for the action
        var $shortcut_toggle = this.$element.find('.oe-shortcut-toggle');
        if (!(grandparent instanceof openerp.web.WebClient) ||
            !(view.view_type === this.views_src[0].view_type
                && view.view_id === this.views_src[0].view_id)) {
            $shortcut_toggle.hide();
            return;
        }
        $shortcut_toggle.removeClass('oe-shortcut-remove').show();
        if (_(this.session.shortcuts).detect(function (shortcut) {
                    return shortcut.res_id === self.session.active_id; })) {
            $shortcut_toggle.addClass("oe-shortcut-remove");
        }
        this.shortcut_add_remove();
    },
    shortcut_add_remove: function() {
        var self = this;
        var $shortcut_toggle = this.$element.find('.oe-shortcut-toggle');
        $shortcut_toggle
            .unbind("click")
            .click(function() {
                if ($shortcut_toggle.hasClass("oe-shortcut-remove")) {
                    $(self.session.shortcuts.binding).trigger('remove-current');
                    $shortcut_toggle.removeClass("oe-shortcut-remove");
                } else {
                    $(self.session.shortcuts.binding).trigger('add', {
                        'user_id': self.session.uid,
                        'res_id': self.session.active_id,
                        'resource': 'ir.ui.menu',
                        'name': self.action.name
                    });
                    $shortcut_toggle.addClass("oe-shortcut-remove");
                }
            });
    }
});

openerp.web.Sidebar = openerp.web.Widget.extend({
    init: function(parent, element_id) {
        this._super(parent, element_id);
        this.items = {};
        this.sections = {};
    },
    start: function() {
        this._super(this);
        var self = this;
        this.$element.html(QWeb.render('Sidebar'));
        this.$element.find(".toggle-sidebar").click(function(e) {
            self.do_toggle();
        });
    },
    add_toolbar: function(toolbar) {
        var self = this;
        _.each([['print', "Reports"], ['action', "Actions"], ['relate', "Links"]], function(type) {
            var items = toolbar[type[0]];
            if (items.length) {
                for (var i = 0; i < items.length; i++) {
                    items[i] = {
                        label: items[i]['name'],
                        action: items[i],
                        classname: 'oe_sidebar_' + type[0]
                    }
                }
                self.add_section(type[0], type[1], items);
            }
        });
    },
    add_section: function(code, name, items) {
        // For each section, we pass a name/label and optionally an array of items.
        // If no items are passed, then the section will be created as a custom section
        // returning back an element_id to be used by a custom controller.
        // Else, the section is a standard section with items displayed as links.
        // An item is a dictonary : {
        //    label: label to be displayed for the link,
        //    action: action to be launch when the link is clicked,
        //    callback: a function to be executed when the link is clicked,
        //    classname: optional dom class name for the line,
        //    title: optional title for the link
        // }
        // Note: The item should have one action or/and a callback
        var self = this,
            section_id = _.uniqueId(this.element_id + '_section_' + code + '_');
        if (items) {
            for (var i = 0; i < items.length; i++) {
                items[i].element_id = _.uniqueId(section_id + '_item_');
                this.items[items[i].element_id] = items[i];
            }
        }
        var $section = $(QWeb.render("Sidebar.section", {
            section_id: section_id,
            name: name,
            classname: 'oe_sidebar_' + code,
            items: items
        }));
        if (items) {
            $section.find('a.oe_sidebar_action_a').click(function() {
                var item = self.items[$(this).attr('id')];
                if (item.callback) {
                    item.callback();
                }
                if (item.action) {
                    var ids = self.widget_parent.get_selected_ids();
                    if (ids.length == 0) {
                        //TODO: make prettier warning?
                        $("<div />").text(_t("You must choose at least one record.")).dialog({
                            title: _t("Warning"),
                            modal: true
                        });
                        return false;
                    }
                    var additional_context = {
                        active_id: ids[0],
                        active_ids: ids,
                        active_model: self.widget_parent.dataset.model
                    };
                    self.rpc("/web/action/load", {
                        action_id: item.action.id,
                        context: additional_context
                    }, function(result) {
                        result.result.context = _.extend(result.result.context || {},
                            additional_context);
                        result.result.flags = result.result.flags || {};
                        result.result.flags.new_window = true;
                        self.do_action(result.result);
                    });
                }
                return false;
            });
        }
        $section.appendTo(this.$element.find('div.sidebar-actions'));
        this.sections[code] = $section;
        return section_id;
    },
    do_fold: function() {
        this.$element.addClass('closed-sidebar').removeClass('open-sidebar');
    },
    do_unfold: function() {
        this.$element.addClass('open-sidebar').removeClass('closed-sidebar');
    },
    do_toggle: function() {
        this.$element.toggleClass('open-sidebar closed-sidebar');
    }
});

openerp.web.TranslateDialog = openerp.web.Dialog.extend({
    dialog_title: _t("Translations"),
    init: function(view) {
        // TODO fme: should add the language to fields_view_get because between the fields view get
        // and the moment the user opens the translation dialog, the user language could have been changed
        this.view_language = view.session.user_context.lang;
        this['on_button' + _t("Save")] = this.on_button_Save;
        this['on_button' + _t("Close")] = this.on_button_Close;
        this._super(view, {
            width: '80%',
            height: '80%'
        });
        this.view = view;
        this.view_type = view.fields_view.type || '';
        this.$fields_form = null;
        this.$view_form = null;
        this.$sidebar_form = null;
        this.translatable_fields_keys = _.map(this.view.translatable_fields || [], function(i) { return i.name });
        this.languages = null;
        this.languages_loaded = $.Deferred();
        (new openerp.web.DataSetSearch(this, 'res.lang', this.view.dataset.get_context(),
            [['translatable', '=', '1']])).read_slice(['code', 'name'], { sort: 'id' }, this.on_languages_loaded);
    },
    start: function() {
        var self = this;
        this._super();
        $.when(this.languages_loaded).then(function() {
            self.$element.html(QWeb.render('TranslateDialog', { widget: self }));
            self.$element.tabs();
            if (!(self.view.translatable_fields && self.view.translatable_fields.length)) {
                self.hide_tabs('fields');
                self.select_tab('view');
            }
            self.$fields_form = self.$element.find('.oe_translation_form');
            self.$fields_form.find('.oe_trad_field').change(function() {
                $(this).toggleClass('touched', ($(this).val() != $(this).attr('data-value')));
            });
        });
        return this;
    },
    on_languages_loaded: function(langs) {
        this.languages = langs;
        this.languages_loaded.resolve();
    },
    do_load_fields_values: function(callback) {
        var self = this,
            deffered = [];
        this.$fields_form.find('.oe_trad_field').val('').removeClass('touched');
        _.each(self.languages, function(lg) {
            var deff = $.Deferred();
            deffered.push(deff);
            var callback = function(values) {
                _.each(self.translatable_fields_keys, function(f) {
                    self.$fields_form.find('.oe_trad_field[name="' + lg.code + '-' + f + '"]').val(values[0][f] || '').attr('data-value', values[0][f] || '');
                });
                deff.resolve();
            };
            if (lg.code === self.view_language) {
                var values = {};
                _.each(self.translatable_fields_keys, function(field) {
                    values[field] = self.view.fields[field].get_value();
                });
                callback([values]);
            } else {
                self.rpc('/web/dataset/get', {
                    model: self.view.dataset.model,
                    ids: [self.view.datarecord.id],
                    fields: self.translatable_fields_keys,
                    context: self.view.dataset.get_context({
                        'lang': lg.code
                    })}, callback);
            }
        });
        $.when.apply(null, deffered).then(callback);
    },
    show_tabs: function() {
        for (var i = 0; i < arguments.length; i++) {
            this.$element.find('ul.oe_translate_tabs li a[href$="' + arguments[i] + '"]').parent().show();
        }
    },
    hide_tabs: function() {
        for (var i = 0; i < arguments.length; i++) {
            this.$element.find('ul.oe_translate_tabs li a[href$="' + arguments[i] + '"]').parent().hide();
        }
    },
    select_tab: function(name) {
        this.show_tabs(name);
        var index = this.$element.find('ul.oe_translate_tabs li a[href$="' + arguments[i] + '"]').parent().index() - 1;
        this.$element.tabs('select', index);
    },
    open: function(field) {
        var self = this,
            sup = this._super;
        $.when(this.languages_loaded).then(function() {
            if (self.view.translatable_fields && self.view.translatable_fields.length) {
                self.do_load_fields_values(function() {
                    sup.call(self);
                    if (field) {
                        // TODO: focus and scroll to field
                    }
                });
            } else {
                sup.call(self);
            }
        });
    },
    on_button_Save: function() {
        var trads = {},
            self = this;
        self.$fields_form.find('.oe_trad_field.touched').each(function() {
            var field = $(this).attr('name').split('-');
            if (!trads[field[0]]) {
                trads[field[0]] = {};
            }
            trads[field[0]][field[1]] = $(this).val();
        });
        _.each(trads, function(data, code) {
            if (code === self.view_language) {
                _.each(data, function(value, field) {
                    self.view.fields[field].set_value(value);
                });
            } else {
                self.view.dataset.write(self.view.datarecord.id, data, { 'lang': code });
            }
        });
        this.close();
    },
    on_button_Close: function() {
        this.close();
    }
});

/**
 * @class
 * @extends openerp.web.Widget
 */
openerp.web.View = openerp.web.Widget.extend(/** @lends openerp.web.View# */{
    set_default_options: function(options) {
        this.options = options || {};
        _.defaults(this.options, {
            // All possible views options should be defaulted here
            sidebar_id: null,
            sidebar: true,
            action: null,
            action_views_ids: {}
        });
    },
    open_translate_dialog: function(field) {
        if (!this.translate_dialog) {
            this.translate_dialog = new openerp.web.TranslateDialog(this).start();
        }
        this.translate_dialog.open(field);
    },
    /**
     * Fetches and executes the action identified by ``action_data``.
     *
     * @param {Object} action_data the action descriptor data
     * @param {String} action_data.name the action name, used to uniquely identify the action to find and execute it
     * @param {String} [action_data.special=null] special action handlers (currently: only ``'cancel'``)
     * @param {String} [action_data.type='workflow'] the action type, if present, one of ``'object'``, ``'action'`` or ``'workflow'``
     * @param {Object} [action_data.context=null] additional action context, to add to the current context
     * @param {openerp.web.DataSet} dataset a dataset object used to communicate with the server
     * @param {Object} [record_id] the identifier of the object on which the action is to be applied
     * @param {Function} on_closed callback to execute when dialog is closed or when the action does not generate any result (no new action)
     */
    execute_action: function (action_data, dataset, record_id, on_closed) {
        var self = this;
        var handler = function (r) {
            var action = r.result;
            if (action && action.constructor == Object) {
                action.context = action.context || {};
                _.extend(action.context, {
                    active_id: record_id || false,
                    active_ids: [record_id || false],
                    active_model: dataset.model
                });
                action.context = new openerp.web.CompoundContext(dataset.get_context(), action.context);
                self.do_action(action, on_closed);
            } else if (on_closed) {
                on_closed(action);
            }
        };

        var context = new openerp.web.CompoundContext(dataset.get_context(), action_data.context || {});

        if (action_data.special) {
            handler({result: {"type":"ir.actions.act_window_close"}});
        } else if (action_data.type=="object") {
            return dataset.call_button(action_data.name, [[record_id], context], handler);
        } else if (action_data.type=="action") {
            return this.rpc('/web/action/load', { action_id: parseInt(action_data.name, 10), context: context }, handler);
        } else  {
            return dataset.exec_workflow(record_id, action_data.name, handler);
        }
    },
    /**
     * Directly set a view to use instead of calling fields_view_get. This method must
     * be called before start(). When an embedded view is set, underlying implementations
     * of openerp.web.View must use the provided view instead of any other one.
     *
     * @param embedded_view A view.
     */
    set_embedded_view: function(embedded_view) {
        this.embedded_view = embedded_view;
        this.options.sidebar = false;
    },
    do_switch_view: function(view) {
    },
    set_common_sidebar_sections: function(sidebar) {
        sidebar.add_section('customize', "Customize", [
            {
                label: "Manage Views",
                callback: this.on_sidebar_manage_view,
                title: "Manage views of the current object"
            }, {
                label: "Edit Workflow",
                callback: this.on_sidebar_edit_workflow,
                title: "Manage views of the current object",
                classname: 'oe_hide oe_sidebar_edit_workflow'
            }, {
                label: "Customize Object",
                callback: this.on_sidebar_customize_object,
                title: "Manage views of the current object"
            }
        ]);
        sidebar.add_section('other', "Other Options", [
            {
                label: "Import",
                callback: this.on_sidebar_import
            }, {
                label: "Export",
                callback: this.on_sidebar_export
            }, {
                label: "Translate",
                callback: this.on_sidebar_translate,
                classname: 'oe_sidebar_translate oe_hide'
            }, {
                label: "View Log",
                callback: this.on_sidebar_view_log,
                classname: 'oe_hide oe_sidebar_view_log'
            }
        ]);
    },
    on_sidebar_manage_view: function() {
        if (this.fields_view && this.fields_view.arch) {
            $('<xmp>' + openerp.web.json_node_to_xml(this.fields_view.arch, true) + '</xmp>').dialog({ width: '95%', height: 600});
        } else {
            this.notification.warn("Manage Views", "Could not find current view declaration");
        }
    },
    on_sidebar_edit_workflow: function() {
        this.log('Todo');
    },
    on_sidebar_customize_object: function() {
        this.log('Todo');
    },
    on_sidebar_import: function() {
    },
    on_sidebar_export: function() {
        var export_view = new openerp.web.DataExport(this, this.dataset);
        export_view.start();
    },
    on_sidebar_translate: function() {
        this.open_translate_dialog();
    },
    on_sidebar_view_log: function() {
    }
});

/**
 * Registry for all the main views
 */
openerp.web.views = new openerp.web.Registry();

openerp.web.json_node_to_xml = function(node, single_quote, indent) {
    // For debugging purpose, this function will convert a json node back to xml
    // Maybe usefull for xml view editor

    if (typeof(node) === 'string') {
        return node;
    }
    else if (typeof(node.tag) !== 'string' || !node.children instanceof Array || !node.attrs instanceof Object) {
        throw("Node a json node");
    }
    indent = indent || 0;
    var sindent = new Array(indent + 1).join('\t'),
        r = sindent + '<' + node.tag;
    for (var attr in node.attrs) {
        var vattr = node.attrs[attr];
        if (typeof(vattr) !== 'string') {
            // domains, ...
            vattr = JSON.stringify(vattr);
        }
        vattr = vattr.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;');
        if (single_quote) {
            vattr = vattr.replace(/&quot;/g, "'");
        }
        r += ' ' + attr + '="' + vattr + '"';
    }
    if (node.children && node.children.length) {
        r += '>\n';
        var childs = [];
        for (var i = 0, ii = node.children.length; i < ii; i++) {
            childs.push(openerp.web.json_node_to_xml(node.children[i], single_quote, indent + 1));
        }
        r += childs.join('\n');
        r += '\n' + sindent + '</' + node.tag + '>';
        return r;
    } else {
        return r + '/>';
    }
}

};

// vim:et fdc=0 fdl=0 foldnestmax=3 fdm=syntax: