<?php
class PriceItem extends DataObject {

    private static $db = array(
        'Title' => 'Varchar(255)',
        'SubTitle' => 'Varchar(255)',
        'Price' => 'Int',
        'Increment' => 'Varchar(255)',
        'Billing' => 'Varchar(255)',
        'Description' => 'Varchar(255)'
    );

    private static $has_one = array(
        'PricingHolder' => 'PricingHolder'
    );

    private static $has_many = array(
        'PriceFeatures' => 'PriceFeature'
    );

    private static $summary_fields = array();

    function getCMSFields() {

        $fields = parent::getCMSFields();

        $gridField = new GridField('PriceFeatures', 'Price Features', $this->PriceFeatures(), GridFieldConfig_RelationEditor::create());
        $fields->addFieldToTab('Root.PriceFeatures', $gridField);

        $fields->addFieldToTab('Root.Main', new TextField('Title', 'Title e.g Medium'));
        $fields->addFieldToTab('Root.Main', new TextField('SubTitle', 'Subtitle e.g Most Popular'));
        $fields->addFieldToTab('Root.Main', new TextField('Price', 'Price e.g $100'));
        $fields->addFieldToTab('Root.Main', new DropdownField('Increment', 'Increment', array(
            '/mo' => '/mo',
            '/yr' => '/yr'
        )));
        $fields->addFieldToTab('Root.Main', new TextField('Billing', 'Billing e.g billed annually'));
        $fields->addFieldToTab('Root.Main', new TextField('Description', 'Description e.g $100 billed monthly'));

        return $fields;

    }

}
class PriceItem_Controller extends ContentController {}