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