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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
48 lines
1.9 KiB
PHP
48 lines
1.9 KiB
PHP
<?php
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namespace SilverStripe\View;
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/**
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* Interface that is implemented by any classes that want to expose a method that can be called in any
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* scope in a template that returns values dependant on the state of the iterator of the current scope.
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*
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* SSViewer_BasicIteratorSupport is an example of this. See also @TemplateGlobalProvider
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*/
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interface TemplateIteratorProvider {
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/**
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* Called by SSViewer to get a list of iterator variables to expose to the template, the instance method to call
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* on an instance of this class to get the value for those variables, and the class to use for casting the returned
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* value for use in a template
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*
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* If the method to call is not included for a particular template variable, a method named the same as the
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* template variable will be called
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*
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* If the casting class is not specified for a particular template variable, ViewableData::$default_cast is used
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*
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* The first letter of the template variable is case-insensitive. However the method name is always case sensitive.
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*
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* @abstract
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* @return array Returns an array of items. Each key => value pair is one of three forms:
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* - template name (no key)
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* - template name => method name
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* - template name => array(), where the array can contain these key => value pairs
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* - "method" => method name
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* - "casting" => casting class to use (i.e., Varchar, HTMLFragment, etc)
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*/
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public static function get_template_iterator_variables();
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/**
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* Set the current iterator properties - where we are on the iterator.
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*
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* This is called by SSViewer prior to calling any of the variables exposed to the template (that is, as returned
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* from a call to get_template_iterator_variables)
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*
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* @abstract
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* @param int $pos position in iterator
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* @param int $totalItems total number of items
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*/
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public function iteratorProperties($pos, $totalItems);
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}
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