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BUGFIX: Fix edge-case bug with application of decorators
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/branches/2.3@77822 467b73ca-7a2a-4603-9d3b-597d59a354a9
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@ -23,12 +23,23 @@ abstract class Extension extends Object {
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* @var DataObject
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*/
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protected $owner;
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/**
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* The base class that this extension was applied to; $this->owner must be one of these
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* @var DataObject
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*/
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protected $ownerBaseClass;
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/**
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* Set the owner of this decorator.
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* @param DataObject $owner
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* @param Object $owner The owner object,
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* @param string $ownerBaseClass The base class that the extension is applied to; this may be
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* the class of owner, or it may be a parent. For example, if Versioned was applied to SiteTree,
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* and then a Page object was instantiated, $owner would be a Page object, but $ownerBaseClass
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* would be 'SiteTree'.
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*/
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function setOwner(Object $owner) {
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function setOwner(Object $owner, $ownerBaseClass = null) {
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$this->ownerBaseClass = $ownerBaseClass ? $ownerBaseClass : $owner->class;
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$this->owner = $owner;
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}
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@ -453,7 +453,7 @@ abstract class Object {
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// an $extension value can contain parameters as a string,
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// e.g. "Versioned('Stage','Live')"
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$instance = eval("return new $extension;");
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$instance->setOwner($this);
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$instance->setOwner($this, $class);
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$this->extension_instances[$instance->class] = $instance;
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}
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}
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@ -27,6 +27,8 @@ abstract class DataObjectDecorator extends Extension {
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'searchable_fields',
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);
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private static $extra_statics_loaded = array();
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/**
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* Set the owner of this decorator.
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* @param DataObject $owner
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@ -49,23 +51,23 @@ abstract class DataObjectDecorator extends Extension {
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* Load the extra database fields defined in extraStatics.
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*/
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function loadExtraStatics() {
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// Don't apply DB fields if the parent object has this extension too
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if(Object::has_extension($this->owner->parentClass(), $this->class)) return;
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if(!empty(self::$extra_statics_loaded[$this->ownerBaseClass][$this->class])) return;
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self::$extra_statics_loaded[$this->ownerBaseClass][$this->class] = true;
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if($fields = $this->extraStatics()) {
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foreach($fields as $relation => $fields) {
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if(in_array($relation, self::$decoratable_statics)) {
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// Can't use add_static_var() here as it would merge the array rather than replacing
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Object::set_static (
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$this->owner->class,
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$this->ownerBaseClass,
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$relation,
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array_merge((array) Object::get_static($this->owner->class, $relation), $fields)
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array_merge((array) Object::get_static($this->ownerBaseClass, $relation), $fields)
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);
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}
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}
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DataObject::$cache_has_own_table[$this->owner->class] = null;
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DataObject::$cache_has_own_table_field[$this->owner->class] = null;
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DataObject::$cache_has_own_table[$this->ownerBaseClass] = null;
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DataObject::$cache_has_own_table_field[$this->ownerBaseClass] = null;
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}
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}
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