Proyectos de Subversion Moodle

{"version":3,"file":"ajax_response_renderer.min.js","sources":["../src/ajax_response_renderer.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Parse the response from the navblock ajax page and render the correct DOM\n * structure for the tree from it.\n *\n * @module     block_navigation/ajax_response_renderer\n * @copyright  2015 John Okely <john@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/templates',\n    'core/notification',\n    'core/url',\n    'core/aria',\n], function(\n    $,\n    Templates,\n    Notification,\n    Url,\n    Aria\n) {\n\n    // Mappings for the different types of nodes coming from the navigation.\n    // Copied from lib/navigationlib.php navigation_node constants.\n    var NODETYPE = {\n        // @type int Activity (course module) = 40.\n        ACTIVITY: 40,\n        // @type int Resource (course module = 50.\n        RESOURCE: 50,\n    };\n\n    /**\n     * Build DOM.\n     *\n     * @method buildDOM\n     * @param {Object} rootElement the root element of DOM.\n     * @param {object} nodes jquery object representing the nodes to be build.\n     */\n    function buildDOM(rootElement, nodes) {\n        var ul = $('<ul></ul>');\n        ul.attr('role', 'group');\n        Aria.hide(ul);\n\n        $.each(nodes, function(index, node) {\n            if (typeof node !== 'object') {\n                return;\n            }\n\n            var li = $('<li></li>');\n            var p = $('<p></p>');\n            var id = node.id || node.key + '_tree_item';\n            var icon = null;\n            var isBranch = (node.expandable || node.haschildren) ? true : false;\n\n            li.attr('role', 'treeitem');\n            p.addClass('tree_item');\n            p.attr('id', id);\n            // Negative tab index to allow it to receive focus.\n            p.attr('tabindex', '-1');\n\n            if (node.requiresajaxloading) {\n                li.attr('data-requires-ajax', true);\n                li.attr('data-node-id', node.id);\n                li.attr('data-node-key', node.key);\n                li.attr('data-node-type', node.type);\n            }\n\n            if (isBranch) {\n                li.addClass('collapsed contains_branch');\n                li.attr('aria-expanded', false);\n                p.addClass('branch');\n            }\n\n            var eleToAddIcon = null;\n            if (node.link) {\n                var link = $('<a title=\"' + node.title + '\" href=\"' + node.link + '\"></a>');\n\n                eleToAddIcon = link;\n                link.append('<span class=\"item-content-wrap\">' + node.name + '</span>');\n\n                if (node.hidden) {\n                    link.addClass('dimmed');\n                }\n\n                p.append(link);\n            } else {\n                var span = $('<span></span>');\n\n                eleToAddIcon = span;\n                span.append('<span class=\"item-content-wrap\">' + node.name + '</span>');\n\n                if (node.hidden) {\n                    span.addClass('dimmed');\n                }\n\n                p.append(span);\n            }\n\n            if (node.icon && (!isBranch || node.type === NODETYPE.ACTIVITY || node.type === NODETYPE.RESOURCE)) {\n                li.addClass('item_with_icon');\n                p.addClass('hasicon');\n\n                if (node.type === NODETYPE.ACTIVITY || node.type === NODETYPE.RESOURCE) {\n                    icon = $('<img/>');\n                    icon.attr('alt', node.icon.alt);\n                    icon.attr('title', node.icon.title);\n                    icon.attr('src', Url.imageUrl(node.icon.pix, node.icon.component));\n                    $.each(node.icon.classes, function(index, className) {\n                        icon.addClass(className);\n                    });\n                    eleToAddIcon.prepend(icon);\n                } else {\n                    if (node.icon.component == 'moodle') {\n                        node.icon.component = 'core';\n                    }\n                    Templates.renderPix(node.icon.pix, node.icon.component, node.icon.title).then(function(html) {\n                        // Prepend.\n                        eleToAddIcon.prepend(html);\n                        return;\n                    }).catch(Notification.exception);\n                }\n            }\n\n            li.append(p);\n            ul.append(li);\n\n            if (node.children && node.children.length) {\n                buildDOM(li, node.children);\n            } else if (isBranch && !node.requiresajaxloading) {\n                li.removeClass('contains_branch');\n                p.addClass('emptybranch');\n            }\n        });\n\n        rootElement.append(ul);\n        var id = rootElement.attr('id') + '_group';\n        ul.attr('id', id);\n        rootElement.attr('aria-owns', id);\n        rootElement.attr('role', 'treeitem');\n    }\n\n    return {\n        render: function(element, nodes) {\n            // The first element of the response is the existing node so we start with processing the children.\n            if (nodes.children && nodes.children.length) {\n                buildDOM(element, nodes.children);\n\n                var item = element.children(\"[role='treeitem']\").first();\n                var group = element.find('#' + item.attr('aria-owns'));\n\n                item.attr('aria-expanded', true);\n                Aria.unhide(group);\n            } else {\n                if (element.hasClass('contains_branch')) {\n                    element.removeClass('contains_branch');\n                    element.addClass('emptybranch');\n                }\n            }\n        }\n    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