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<?php |
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namespace SilverStripe\Widgets\Extensions; |
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use SilverStripe\Forms\CheckboxField; |
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use SilverStripe\Forms\FieldList; |
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use SilverStripe\ORM\DataExtension; |
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use SilverStripe\Widgets\Forms\WidgetAreaEditor; |
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use SilverStripe\Widgets\Model\WidgetArea; |
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/** |
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* Adds a single {@link WidgetArea} called "SideBar" to {@link Page} classes. |
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* Adjust your templates to render the resulting |
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* {@link WidgetArea} as required, through the $SideBarView placeholder. |
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* |
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* This extension is just an example on how to use the widgets functionality, |
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* feel free to create your own relationships, naming conventions, etc. |
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* without using this class. |
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*/ |
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class WidgetPageExtension extends DataExtension |
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{ |
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private static $db = array( |
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'InheritSideBar' => 'Boolean', |
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); |
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private static $defaults = array( |
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'InheritSideBar' => true |
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); |
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private static $has_one = array( |
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'SideBar' => WidgetArea::class |
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); |
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public function updateCMSFields(FieldList $fields) |
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{ |
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$fields->addFieldToTab( |
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"Root.Widgets", |
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new CheckboxField("InheritSideBar", 'Inherit Sidebar From Parent') |
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); |
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$fields->addFieldToTab( |
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"Root.Widgets", |
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new WidgetAreaEditor("SideBar") |
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); |
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} |
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/** |
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* @return WidgetArea |
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*/ |
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public function SideBarView() |
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{ |
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if ($this->owner->InheritSideBar |
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&& ($parent = $this->owner->getParent()) |
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&& $parent->hasMethod('SideBarView') |
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) { |
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return $parent->SideBarView(); |
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} elseif ($this->owner->SideBar()->exists()) { |
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return $this->owner->SideBar(); |
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} |
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} |
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public function onBeforeDuplicate($duplicatePage) |
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{ |
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if ($this->owner->hasField('SideBarID')) { |
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$sideBar = $this->owner->getComponent('SideBar'); |
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$duplicateWidgetArea = $sideBar->duplicate(); |
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foreach ($sideBar->Items() as $originalWidget) { |
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$widget = $originalWidget->duplicate(false); |
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$widget->ParentID = $duplicateWidgetArea->ID; |
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$widget->write(); |
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} |
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$duplicatePage->SideBarID = $duplicateWidgetArea->ID; |
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} |
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return $duplicatePage; |
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} |
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/** |
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* Support Translatable so that we don't link WidgetAreas across translations |
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*/ |
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public function onTranslatableCreate() |
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{ |
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//reset the sidebar ID |
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$this->owner->SideBarID = 0; |
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} |
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} |
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silverstripe /
silverstripe-widgets
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This check marks private properties in classes that are never used. Those properties can be removed.