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https://github.com/silverstripe/silverstripe-framework
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8dd644d25d
Namespace all templates Move difflib and BBCodeParser2 to thirdparty Remove deprecated API marked for removal in 4.0
44 lines
1.1 KiB
PHP
44 lines
1.1 KiB
PHP
<?php
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namespace SilverStripe\ORM;
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/**
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* Additional interface for {@link SS_List} classes that are sortable.
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*
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* All methods in this interface are immutable - they should return new instances with the sort
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* applied, rather than applying the sort in place
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*
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* @see SS_List, SS_Filterable, SS_Limitable
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*/
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interface SS_Sortable extends SS_List {
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/**
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* Returns TRUE if the list can be sorted by a field.
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*
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* @param string $by
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* @return bool
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*/
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public function canSortBy($by);
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/**
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* Return a new instance of this list that is sorted by one or more fields. You can either pass in a single
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* field name and direction, or a map of field names to sort directions.
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*
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* @return static
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* @example $list = $list->sort('Name'); // default ASC sorting
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* @example $list = $list->sort('Name DESC'); // DESC sorting
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* @example $list = $list->sort('Name', 'ASC');
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* @example $list = $list->sort(array('Name'=>'ASC,'Age'=>'DESC'));
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*/
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public function sort();
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/**
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* Return a new instance of this list based on reversing the current sort.
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*
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* @return SS_Sortable
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* @example $list = $list->reverse();
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*/
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public function reverse();
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}
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