[jira] [Created] (AMBARI-13971) Implement Em.computed macros (2)

["Oleg Nechiporenko (JIRA)" <ji...@apache.org>]

Oleg Nechiporenko created AMBARI-13971:
------------------------------------------

             Summary: Implement Em.computed macros (2)
                 Key: AMBARI-13971
                 URL: https://issues.apache.org/jira/browse/AMBARI-13971
             Project: Ambari
          Issue Type: Task
          Components: ambari-web
    Affects Versions: 2.2.0
            Reporter: Oleg Nechiporenko
            Assignee: Oleg Nechiporenko
             Fix For: 2.2.0


||Name (Em.computed.*)||Description||
|notExistsIn|A computed property that returns true if dependent property doesn't exist in the needed values|
|percents|A computed property that returns result of calculation {{dependentProperty1/dependentProperty2 * 100}}. If accuracy is 0 (by default), result is rounded to integer. Otherwise - result is float with provided accuracy|
|formatRole|A computed property that returns result of {{App.format.role}} for dependent value|
|sumBy|A computed property that returns sum of the named property in the each collection's item|
|i18nFormat|A computed property that returns I18n-string formatted with dependent properties|
|concat|A computed property that returns dependent values joined with separator|
|firstNotBlank|A computed property that returns first not blank value from dependent values. Based on {{Ember.isBlank}}. Dependent values order affects the result|

Add ability for {{`or`}}, {{`and`}} macros to handle dependent keys with inversion. Example:
{code}
var a = Em.Object.create({
  prop1: true,
  prop2: true,
  prop3: true,
  prop4: Em.computed.and('prop1', '!prop2', 'prop3')
});
a.get('prop4'); // `false`, because `prop2` is taken inverted
{code}



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)