117 lines
3.2 KiB
JavaScript
117 lines
3.2 KiB
JavaScript
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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(function ($, dust, exports) {
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"use strict";
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var filters = {
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'fmt_bytes': function (v) {
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var UNITS = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'ZB'];
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var prev = 0, i = 0;
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while (Math.floor(v) > 0 && i < UNITS.length) {
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prev = v;
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v /= 1024;
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i += 1;
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}
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if (i > 0 && i < UNITS.length) {
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v = prev;
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i -= 1;
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}
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return Math.round(v * 100) / 100 + ' ' + UNITS[i];
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},
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'fmt_percentage': function (v) {
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return Math.round(v * 100) / 100 + '%';
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},
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'fmt_time': function (v) {
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var s = Math.floor(v / 1000), h = Math.floor(s / 3600);
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s -= h * 3600;
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var m = Math.floor(s / 60);
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s -= m * 60;
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var res = s + " sec";
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if (m !== 0) {
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res = m + " mins, " + res;
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}
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if (h !== 0) {
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res = h + " hrs, " + res;
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}
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return res;
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}
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};
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$.extend(dust.filters, filters);
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/**
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* Load templates from external sources in sequential orders, and
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* compile them. The loading order is important to resolve dependency.
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*
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* The code compile the templates on the client sides, which should be
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* precompiled once we introduce the infrastructure in the building
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* system.
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*
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* templates is an array of tuples in the format of {url, name}.
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*/
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function load_templates(dust, templates, success_cb, error_cb) {
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if (templates.length === 0) {
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success_cb();
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return;
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}
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var t = templates.shift();
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$.get(t.url, function (tmpl) {
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var c = dust.compile(tmpl, t.name);
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dust.loadSource(c);
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load_templates(dust, templates, success_cb, error_cb);
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}).error(function (jqxhr, text, err) {
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error_cb(t.url, jqxhr, text, err);
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});
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}
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/**
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* Load a sequence of JSON.
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*
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* beans is an array of tuples in the format of {url, name}.
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*/
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function load_json(beans, success_cb, error_cb) {
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var data = {}, error = false, to_be_completed = beans.length;
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$.each(beans, function(idx, b) {
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if (error) {
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return false;
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}
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$.get(b.url, function (resp) {
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data[b.name] = resp;
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to_be_completed -= 1;
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if (to_be_completed === 0) {
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success_cb(data);
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}
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}).error(function (jqxhr, text, err) {
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error = true;
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error_cb(b.url, jqxhr, text, err);
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});
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});
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}
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exports.load_templates = load_templates;
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exports.load_json = load_json;
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}($, dust, window));
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