214 lines
6.0 KiB
JavaScript
214 lines
6.0 KiB
JavaScript
/*
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* (c) Copyright 2015 Hewlett-Packard Development Company, L.P.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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 () {
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'use strict';
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angular
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.module('horizon.framework.util.filters')
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.filter('yesno', yesNoFilter)
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.filter('gb', gbFilter)
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.filter('mb', mbFilter)
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.filter('title', titleFilter)
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.filter('noUnderscore', noUnderscoreFilter)
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.filter('noValue', noValueFilter)
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.filter('decode', decodeFilter)
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.filter('bytes', bytesFilter)
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.filter('itemCount', itemCountFilter);
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/**
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* @ngdoc filter
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* @name yesno
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* @description
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* Evaluates given input for standard truthiness and returns translation
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* of 'Yes' and 'No' for true/false respectively.
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*/
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yesNoFilter.$inject = ['horizon.framework.util.i18n.gettext'];
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function yesNoFilter(gettext) {
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return function (input) {
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return (input ? gettext("Yes") : gettext("No"));
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};
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}
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/**
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* @ngdoc filter
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* @name gb
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* @description
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* Expects numeric value and suffixes translated 'GB' with spacing.
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* Returns empty string if input is not a number or is null.
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*/
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function gbFilter() {
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return function (input) {
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var tb = 1024;
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if (isNaN(input) || null === input) {
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return '';
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} else if (input >= tb) {
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return interpolate(gettext("%s TB"), [parseFloat(Number(input / tb).toFixed(2))]);
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} else if (input === '') {
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return interpolate(gettext("0 GB"));
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} else {
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return interpolate(gettext("%s GB"), [input.toString()]);
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}
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};
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}
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/**
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* @ngdoc filter
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* @name mb
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* @description
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* Expects numeric value and suffixes translated 'MB' with spacing.
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* Returns empty string if input is not a number or is null.
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*/
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function mbFilter() {
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return function (input) {
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var gb = 1024;
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if (isNaN(input) || null === input) {
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return '';
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} else if (input >= gb) {
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return interpolate(gettext("%s GB"), [parseFloat(Number(input / gb).toFixed(2))]);
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} else if (input === '') {
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return interpolate(gettext("0 MB"));
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} else {
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return interpolate(gettext("%s MB"), [input.toString()]);
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}
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};
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}
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/**
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* @ngdoc filter
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* @name title
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* @description
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* Capitalizes leading characters of individual words.
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*/
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function titleFilter() {
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return function (input) {
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if (!angular.isString(input)) {
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return input;
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}
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return input.replace(/(?:^|\s)\S/g, function (a) {
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return a.toUpperCase();
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});
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};
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}
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/**
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* @ngdoc filter
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* @name noUnderscore
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* @description
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* Replaces all underscores with spaces.
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*/
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function noUnderscoreFilter() {
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return function (input) {
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if (!angular.isString(input)) {
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return input;
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}
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return input.replace(/_/g, ' ');
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};
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}
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/**
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* @ngdoc filter
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* @name noValue
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* @description
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* Replaces null / undefined / empty string with translated '-'.
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*/
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function noValueFilter() {
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return function (input) {
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if (input === null || angular.isUndefined(input) ||
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(angular.isString(input) && '' === input.trim())) {
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return gettext('-');
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} else {
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return input;
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}
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};
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}
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/**
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* @ngdoc filter
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* @name decode
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* @description
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* Returns values based on key and given mapping. If key doesn't exist
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* in given mapping, return key. This is useful when translations for
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* codes are present.
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*/
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function decodeFilter() {
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return function (input, mapping) {
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var val = mapping[input];
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return angular.isDefined(val) ? val : input;
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};
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}
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/**
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* @ngdoc filter
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* @name bytes
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* @description
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* Returns a human-readable approximation of the input of bytes,
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* converted to a useful unit of measure. Uses 1024-based notation.
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*/
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function bytesFilter() {
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return function (input) {
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var kb = 1024;
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var mb = kb * 1024;
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var gb = mb * 1024;
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var tb = gb * 1024;
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if (isNaN(input) || null === input || input < 0) {
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return '';
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} else if (input >= tb) {
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return interpolate(gettext("%s TB"), [Number(input / tb).toFixed(2)]);
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} else if (input >= gb) {
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return interpolate(gettext("%s GB"), [Number(input / gb).toFixed(2)]);
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} else if (input >= mb) {
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return interpolate(gettext("%s MB"), [Number(input / mb).toFixed(2)]);
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} else if (input >= kb) {
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return interpolate(gettext("%s KB"), [Number(input / kb).toFixed(2)]);
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} else {
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return interpolate(gettext("%s bytes"), [Math.floor(input)]);
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}
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};
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}
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/**
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* @ngdoc filter
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* @name itemCount
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* @description
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* Displays translated count in table footer.
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* Input should be the number shown; an optional parameter specifies how
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* large the total set is regardless of the number shown.
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*/
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function itemCountFilter() {
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function ensureNonNegative(input) {
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var isNumeric = (input !== null && isFinite(input));
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var number = isNumeric ? Math.round(input) : 0;
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return (number > 0) ? number : 0;
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}
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return function (input, totalInput) {
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var format;
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var count = ensureNonNegative(input);
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if (angular.isUndefined(totalInput)) {
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format = ngettext('Displaying %s item', 'Displaying %s items', count);
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return interpolate(format, [count]);
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} else {
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var total = ensureNonNegative(totalInput);
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format = gettext('Displaying %(count)s of %(total)s items');
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return interpolate(format, {count: count, total: total}, true);
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}
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};
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}
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})();
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