Adding dependency for New Relic system configs

Author: eduard13

app/code/Magento/NewRelicReporting/etc/adminhtml/system.xml

@@ -19,37 +19,61 @@
                 </field>
                 <field id="api_url" translate="label" type="text" sortOrder="2" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
                     <label>New Relic API URL</label>
+                    <depends>
+                        <field id="enable">1</field>
+                    </depends>
                 </field>
                 <field id="insights_api_url" translate="label comment" type="text" sortOrder="3" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
                     <label>Insights API URL</label>
                     <comment>Use %s to replace the account ID in the URL</comment>
+                    <depends>
+                        <field id="enable">1</field>
+                    </depends>
                 </field>
                 <field id="account_id" translate="label comment" type="text" sortOrder="4" showInDefault="1" showInWebsite="1" showInStore="1">
                     <label>New Relic Account ID</label>
                     <comment><![CDATA["Need a New Relic account? <a href="http://www.newrelic.com/magento" target="_blank">Click here to get one]]></comment>
+                    <depends>
+                        <field id="enable">1</field>
+                    </depends>
                 </field>
                 <field id="app_id" translate="label comment" type="text" sortOrder="5" showInDefault="1" showInWebsite="1" showInStore="1">
                     <label>New Relic Application ID</label>
                     <comment>This can commonly be found at the end of the URL when viewing the APM after "/applications/"</comment>
+                    <depends>
+                        <field id="enable">1</field>
+                    </depends>
                 </field>
                 <field id="api" translate="label comment" type="obscure" sortOrder="6" showInDefault="1" showInWebsite="1" showInStore="1">
                     <label>New Relic API Key</label>
                     <backend_model>Magento\Config\Model\Config\Backend\Encrypted</backend_model>
                     <comment>This is located by navigating to Events -> Deployments from the New Relic APM website</comment>
+                    <depends>
+                        <field id="enable">1</field>
+                    </depends>
                 </field>
                 <field id="insights_insert_key" translate="label comment" type="obscure" sortOrder="7" showInDefault="1" showInWebsite="1" showInStore="1">
                     <label>Insights API Key</label>
                     <backend_model>Magento\Config\Model\Config\Backend\Encrypted</backend_model>
                     <comment>Generated under Insights in Manage data -> API Keys -> Insert Keys</comment>
+                    <depends>
+                        <field id="enable">1</field>
+                    </depends>
                 </field>
                 <field id="app_name" translate="label comment" type="text" sortOrder="8" showInDefault="1" showInWebsite="1" showInStore="1">
                     <label>New Relic Application Name</label>
                     <comment>This is located by navigating to Settings from the New Relic APM website</comment>
+                    <depends>
+                        <field id="enable">1</field>
+                    </depends>
                 </field>
                 <field id="separate_apps" translate="label comment" type="select" sortOrder="9" showInDefault="1" showInWebsite="1" showInStore="1">
                     <label>Send Adminhtml and Frontend as Separate Apps</label>
                     <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
                     <comment>In addition to the main app (which includes all PHP execution), separate apps for adminhtml and frontend will be created. Requires New Relic Application Name to be set.</comment>
+                    <depends>
+                        <field id="enable">1</field>
+                    </depends>
                 </field>
             </group>
             <group id="cron" translate="label" type="text" sortOrder="2" showInDefault="1" showInWebsite="1" showInStore="1">