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

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

     [ https://issues.apache.org/jira/browse/AMBARI-13971?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Oleg Nechiporenko updated AMBARI-13971:
---------------------------------------
    Attachment: AMBARI-13971.patch

> 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
>
>         Attachments: AMBARI-13971.patch
>
>
> ||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}



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