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/*
* (c) Copyright 2015 Hewlett-Packard Development Company, L.P.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
(function () {
'use strict';
/**
* @ngdoc overview
* @name hz.filters
* @description
* hz.filters provides common filters to be used within Horizon.
*
*/
angular.module('hz.filters', [])
/**
* @ngdoc filter
* @name yesno
* @description
* Evaluates given input as boolean and returns translation
* of 'Yes' and 'No' for true/false respectively.
*/
.filter('yesno', function() {
return function(input) {
return (input ? gettext("Yes") : gettext("No"));
};
})
/**
* @ngdoc filter
* @name gb
* @description
* Expects numeric value and suffixes translated 'GB' with spacing.
* Returns empty string if input is not a number or is null.
*/
.filter('gb', function() {
return function(input) {
if (isNaN(input) || null === input) {
return '';
} else {
return input.toString() + " " + gettext("GB");
}
};
})
/**
* @ngdoc filter
* @name mb
* @description
* Expects numeric value and suffixes translated 'MB' with spacing.
* Returns empty string if input is not a number or is null.
*/
.filter('mb', function() {
return function(input) {
if (isNaN(input) || null === input) {
return '';
} else {
return input.toString() + " " + gettext("MB");
}
};
})
/**
* @ngdoc filter
* @name title
* @description
* Capitalizes leading characters of individual words.
*/
.filter('title', function() {
return function(input) {
if (typeof input !== 'string') {
return input;
}
return input.replace(/(?:^|\s)\S/g, function(a) {
return a.toUpperCase();
});
};
})
/**
* @ngdoc filter
* @name noUnderscore
* @description
* Replaces all underscores with spaces.
*/
.filter('noUnderscore', function() {
return function(input) {
if (typeof input !== 'string') {
return input;
}
return input.replace(/_/g, ' ');
};
})
/**
* @ngdoc filter
* @name decode
* @description
* Returns values based on key and given mapping. If key doesn't exist
* in given mapping, return key. This is useful when translations for
* codes are present.
*/
.filter('decode', function() {
return function(input, mapping) {
var val = mapping[input];
return angular.isDefined(val) ? val : input;
};
})
/**
* @ngdoc filter
* @name bytes
* @description
* Returns a human-readable approximation of the input of bytes,
* converted to a useful unit of measure. Uses 1024-based notation.
*/
.filter('bytes', function() {
return function(input) {
var kb = 1024;
var mb = kb*1024;
var gb = mb*1024;
var tb = gb*1024;
if (isNaN(input) || null === input || input < 0) {
return '';
} else if (input >= tb) {
return Number(input/tb).toFixed(2) + " " + gettext("TB");
} else if (input >= gb) {
return Number(input/gb).toFixed(2) + " " + gettext("GB");
} else if (input >= mb) {
return Number(input/mb).toFixed(2) + " " + gettext("MB");
} else if (input >= kb) {
return Number(input/kb).toFixed(2) + " " + gettext("KB");
} else {
return Math.floor(input) + " " + gettext("bytes");
}
};
})
;
}());
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