From e2d425c404dc62f91d5705120d8244fdc4e6ac56 Mon Sep 17 00:00:00 2001
From: Llewellyn van der Merwe <llewellyn@vdm.io>
Date: Thu, 14 Oct 2021 16:31:26 +0200
Subject: [PATCH] first commit - v1.0.0

---
 componentbuilderexportcompiler.php            | 324 ++++++++++++++++++
 componentbuilderexportcompiler.xml            |  80 +++++
 index.html                                    |   1 +
 ...tension_componentbuilderexportcompiler.ini |  16 +
 ...ion_componentbuilderexportcompiler.sys.ini |  16 +
 script.php                                    |  57 +++
 6 files changed, 494 insertions(+)
 create mode 100644 componentbuilderexportcompiler.php
 create mode 100644 componentbuilderexportcompiler.xml
 create mode 100644 index.html
 create mode 100644 language/en-GB/en-GB.plg_extension_componentbuilderexportcompiler.ini
 create mode 100644 language/en-GB/en-GB.plg_extension_componentbuilderexportcompiler.sys.ini
 create mode 100644 script.php

diff --git a/componentbuilderexportcompiler.php b/componentbuilderexportcompiler.php
new file mode 100644
index 0000000..558fee2
--- /dev/null
+++ b/componentbuilderexportcompiler.php
@@ -0,0 +1,324 @@
+<?php
+/**
+ * @package    Joomla.Component.Builder
+ *
+ * @created    30th April, 2015
+ * @author     Llewellyn van der Merwe <http://www.joomlacomponentbuilder.com>
+ * @github     Joomla Component Builder <https://github.com/vdm-io/Joomla-Component-Builder>
+ * @copyright  Copyright (C) 2015 - 2020 Vast Development Method. All rights reserved.
+ * @license    GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+// No direct access to this file
+defined('_JEXEC') or die('Restricted access');
+
+use Joomla\CMS\Application\CMSApplication;
+use Joomla\CMS\Plugin\CMSPlugin;
+
+JLoader::register('ComponentbuilderHelper', JPATH_ADMINISTRATOR . '/components/com_componentbuilder/helpers/componentbuilder.php'); 
+/**
+ * Extension - Componentbuilder Export Compiler plugin.
+ *
+ * @package   ComponentbuilderExportCompiler
+ * @since     1.0.0
+ */
+class PlgExtensionComponentbuilderExportCompiler extends CMSPlugin
+{
+	/**
+	 * Application object
+	 *
+	 * @var    CMSApplication
+	 * @since  1.0.0
+	 */
+	protected  $app;
+
+	/**
+	 * Affects constructor behavior. If true, language files will be loaded automatically.
+	 *
+	 * @var    boolean
+	 * @since  1.0.0
+	 */
+	protected  $autoloadLanguage = true;
+
+	/**
+	 * The language string builder
+	 * 
+	 * @var     array
+	 */
+	protected $languageArray = array();
+
+	/**
+	 * The hash placeholder
+	 * 
+	 * @var     string
+	 */
+	protected $hhh = '#' . '#' . '#';
+
+	/**
+	 * The open bracket placeholder
+	 * 
+	 * @var     string
+	 */
+	protected $bbb = '[' . '[' . '[';
+
+	/**
+	 * The close bracket placeholder
+	 * 
+	 * @var     string
+	 */
+	protected $ddd = ']' . ']' . ']';
+
+	/**
+	 * The line numbers Switch
+	 * 
+	 * @var      boolean
+	 */
+	protected $debugLinenr = false;
+
+	/*
+	 * The lang prefix
+	 * 
+	 * @var      boolean
+	 */
+	protected $langPrefix;
+
+	/*
+	 * The Export Text Only switch
+	 * 
+	 * @var      int
+	 */
+	protected $exportTextOnly = 0;
+
+	/*
+	 * The Strict Field Export Permissions switch
+	 * 
+	 * @var      int
+	 */
+	protected $strictFieldExportPermissions = 0;
+
+	/**
+	 * Event Triggered in the compiler [on Before Get Component Data]
+	 *
+	 * @return  void
+	 *
+	 * @since   1.0
+	 */
+	public function jcb_ce_onAfterGetComponentData(&$context, $compiler)
+	{
+		if ($this->exportTextOnly && $this->componentActive($context))
+		{
+			// sync needed compiler properties with this plugin class
+			$this->debugLinenr = $compiler->debugLinenr;
+			$this->hhh = $compiler->hhh;
+			$this->bbb = $compiler->bbb;
+			$this->ddd = $compiler->ddd;
+			$this->langPrefix = $compiler->langPrefix;
+
+			// activate export text only
+		 	$compiler->exportTextOnly = $this->exportTextOnly;
+			// activate strict_permission_per_field if set in plugin (default true)
+		 	$compiler->strictFieldExportPermissions = $this->strictFieldExportPermissions;
+		}
+	}
+
+	/**
+	 * Event Triggered in the compiler [on After Model Component Data]
+	 *
+	 * @return  void
+	 *
+	 * @since   1.0
+	 */
+	public function jcb_ce_onAfterModelComponentData(&$context, &$component)
+	{
+		// check if we have export for any view
+		if ($this->componentActive($context))
+		{
+			// set the export/import option
+			if (isset($component->admin_views) && ComponentbuilderHelper::checkArray($component->admin_views))
+			{
+				foreach ($component->admin_views as $view)
+				{
+					if (!$this->exportTextOnly && (isset($view['port']) && $view['port'] || 1 == $view['settings']->add_custom_import))
+					{
+						$this->exportTextOnly = 1;
+						$this->strictFieldExportPermissions = $this->params->get('strict_permission_per_field', 1);
+					}
+				}
+			}
+		}
+	}
+
+	/**
+	 * Event Triggered in the compiler [on Before Set Lang File Data]
+	 *
+	 * @return  void
+	 *
+	 * @since   1.0
+	 */
+	public function jcb_ce_onBeforeSetLangFileData(&$context, $compiler)
+	{
+		if ($this->exportTextOnly && $this->componentActive($context) && ComponentbuilderHelper::checkArray($this->languageArray))
+		{
+			foreach($this->languageArray as $key => $string)
+			{
+				$compiler->setLangContent('adminsys', $key, $string);
+			}
+		}
+	}
+
+	/**
+	 * Event Triggered in the compiler [on Before Set Config Field sets]
+	 *
+	 * @return  void
+	 *
+	 * @since   1.0
+	 */
+	public function jcb_ce_onBeforeSetConfigFieldsets(&$context, &$timer, &$configFieldSets, &$configFieldSetsCustomField, &$componentDataConfig, &$extensionsParams, &$placeholders)
+	{
+		// only add fields after second time
+		if ($this->exportTextOnly && $this->componentActive($context) && $timer == 2)
+		{
+			// main lang prefix
+			$lang = $this->langPrefix . '_CONFIG';
+			// start building field set for config
+			$configFieldSets[] = $this->_t(1) . "<fieldset";
+			$configFieldSets[] = $this->_t(2) . 'name="export_text_only_config"';
+			$configFieldSets[] = $this->_t(2) . 'label="' . $lang . '_EXPORT_TEXT_ONLY_TAB_LABEL"';
+			$configFieldSets[] = $this->_t(2) . 'description="' . $lang . '_EXPORT_TEXT_ONLY_TAB_DESCRIPTION">';
+			// setup lang
+			$this->languageArray[$lang . '_EXPORT_TEXT_ONLY_TAB_LABEL'] = "Export Options";
+			$this->languageArray[$lang . '_EXPORT_TEXT_ONLY_TAB_DESCRIPTION'] = "Here are some extra option to adjust the export behavior of admin views.";
+			// add custom Export Options
+			if (isset($configFieldSetsCustomField['Export Options']) && ComponentbuilderHelper::checkArray($configFieldSetsCustomField['Export Options']))
+			{
+				$configFieldSets[] = implode("", $configFieldSetsCustomField['Export Options']);
+				unset($configFieldSetsCustomField['Export Options']);
+			}
+			else
+			{
+				$this->languageArray[$lang . '_EXPORT_TEXT_ONLY_LABEL'] = "Export Text Only";
+				$this->languageArray[$lang . '_EXPORT_TEXT_ONLY_DESCRIPTION'] = "This option enables the export of string/text instead of linked IDs in all admin views that have an export option.";
+
+				$this->languageArray[$lang . '_ACTIVATE'] = "Activate";
+				$this->languageArray[$lang . '_DEACTIVATE'] = "Deactivate";
+
+				$configFieldSets[] = PHP_EOL . $this->_t(2) . "<!--" . $this->setLine(__LINE__) . " Export Text Only Field. Type: Radio. (joomla) -->";
+				$configFieldSets[] = $this->_t(2) . "<field";
+				$configFieldSets[] = $this->_t(3) . "type=\"radio\"";
+				$configFieldSets[] = $this->_t(3) . "name=\"export_text_only\"";
+				$configFieldSets[] = $this->_t(3) . "label=\"" . $lang . "_EXPORT_TEXT_ONLY_LABEL\"";
+				$configFieldSets[] = $this->_t(3) . "description=\"" . $lang . "_EXPORT_TEXT_ONLY_DESCRIPTION\"";
+				$configFieldSets[] = $this->_t(3) . "class=\"btn-group btn-group-yesno\"";
+				$configFieldSets[] = $this->_t(3) . "default=\"0\">";
+				$configFieldSets[] = $this->_t(3) . "<!--" . $this->setLine(__LINE__) . " Option Set. -->";
+				$configFieldSets[] = $this->_t(3) . "<option value=\"1\">";
+				$configFieldSets[] = $this->_t(4) . $lang . "_ACTIVATE</option>";
+				$configFieldSets[] = $this->_t(3) . "<option value=\"0\">";
+				$configFieldSets[] = $this->_t(4) . $lang . "_DEACTIVATE</option>";
+				$configFieldSets[] = $this->_t(2) . "</field>";
+
+				// add  strict Field Export Permissions field
+				if ($this->strictFieldExportPermissions)
+				{
+					$this->languageArray[$lang . '_STRICT_PERMISSION_PER_FIELD_LABEL'] = "Use Strict Permission per/field";
+					$this->languageArray[$lang . '_STRICT_PERMISSION_PER_FIELD_DESCRIPTION'] = "Use strict permissions per/field in the export methods where there are fields permissions in a view.";
+
+					$configFieldSets[] = PHP_EOL . $this->_t(2) . "<!--" . $this->setLine(__LINE__) . " Strict_permission_per_field Field. Type: Radio. (joomla) -->";
+					$configFieldSets[] = $this->_t(2) . "<field";
+					$configFieldSets[] = $this->_t(3) . "type=\"radio\"";
+					$configFieldSets[] = $this->_t(3) . "name=\"strict_permission_per_field\"";
+					$configFieldSets[] = $this->_t(3) . "label=\"" . $lang . "_STRICT_PERMISSION_PER_FIELD_LABEL\"";
+					$configFieldSets[] = $this->_t(3) . "description=\"" . $lang . "_STRICT_PERMISSION_PER_FIELD_DESCRIPTION\"";
+					$configFieldSets[] = $this->_t(3) . "class=\"btn-group btn-group-yesno\"";
+					$configFieldSets[] = $this->_t(3) . "default=\"1\">";
+					$configFieldSets[] = $this->_t(3) . "<!--" . $this->setLine(__LINE__) . " Option Set. -->";
+					$configFieldSets[] = $this->_t(3) . "<option value=\"1\">";
+					$configFieldSets[] = $this->_t(4) . $lang . "_ACTIVATE</option>";
+					$configFieldSets[] = $this->_t(3) . "<option value=\"0\">";
+					$configFieldSets[] = $this->_t(4) . $lang . "_DEACTIVATE</option>";
+					$configFieldSets[] = $this->_t(2) . "</field>";
+				}
+			}
+			// close that fieldset
+			$configFieldSets[] = $this->_t(1) . "</fieldset>";
+		}
+	}
+
+	/**
+	 * Set the line number in comments
+	 * 
+	 * @param   int   $nr  The line number
+	 * 
+	 * @return  void
+	 * 
+	 */
+	protected function setLine($nr)
+	{
+		if ($this->debugLinenr)
+		{
+			return ' [Plugin-Privacy-Compiler ' . $nr . ']';
+		}
+		return '';
+	}
+
+	/**
+	 * Set the tab/space
+	 * 
+	 * @param   int   $nr  The number of tag/space
+	 * 
+	 * @return  string
+	 * 
+	 */
+	protected function _t($nr)
+	{
+		// use global method for conformity
+		return ComponentbuilderHelper::_t($nr);
+	}
+
+	/**
+	 * The array of active components
+	 * 
+	 * @var     array
+	 */
+	protected $componentsActive;
+
+	/**
+	 * The activate option
+	 * 
+	 * @var     int
+	 */
+	protected $activateOption = 0;
+
+	/**
+	 * Set the line number in comments
+	 * 
+	 * @param   string  $context  The context of the current executing component
+	 * 
+	 * @return  bool
+	 * 
+	 */
+	protected function componentActive(&$context)
+	{
+		// check the active option
+		if (!$this->activateOption)
+		{
+			$this->activateOption = $this->params->get('activate_option', 1);
+		}
+		elseif ($this->activateOption == 1)
+		{
+			return true;
+		}
+		// first check is we have the active components set
+		if ($this->activateOption == 2 && !ComponentbuilderHelper::checkArray($this->componentsActive))
+		{
+			$this->componentsActive = $this->params->get('components');
+		}
+		// only check if there are active
+		if (ComponentbuilderHelper::checkArray($this->componentsActive))
+		{
+			return in_array((int) filter_var($context, FILTER_SANITIZE_NUMBER_INT), $this->componentsActive);
+		}
+		return false;
+	}
+
+}
diff --git a/componentbuilderexportcompiler.xml b/componentbuilderexportcompiler.xml
new file mode 100644
index 0000000..ebde419
--- /dev/null
+++ b/componentbuilderexportcompiler.xml
@@ -0,0 +1,80 @@
+<?xml version="1.0" encoding="utf-8"?>
+<extension type="plugin" version="3.8" group="extension" method="upgrade">
+	<name>PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER</name>
+	<creationDate>3rd April, 2020</creationDate>
+	<author>Llewellyn van der Merwe</author>
+	<authorEmail>llewellyn@joomlacomponentbuilder.com</authorEmail>
+	<authorUrl>http://www.joomlacomponentbuilder.com</authorUrl>
+	<copyright>Copyright (C) 2015 - 2020 Vast Development Method. All rights reserved.</copyright>
+	<license>GNU General Public License version 2 or later; see LICENSE.txt</license>
+	<version>1.0.0</version>
+	<description>PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_XML_DESCRIPTION</description>
+
+	<!-- Scripts to run on installation -->
+	<scriptfile>script.php</scriptfile>
+
+	<!-- Language files -->
+	<languages folder="language">
+		<language tag="en-GB">en-GB/en-GB.plg_extension_componentbuilderexportcompiler.ini</language>
+		<language tag="en-GB">en-GB/en-GB.plg_extension_componentbuilderexportcompiler.sys.ini</language>
+	</languages>
+
+	<!-- Plugin files -->
+	<files>
+		<filename plugin="componentbuilderexportcompiler">componentbuilderexportcompiler.php</filename>
+		<filename>index.html</filename>
+		<folder>language</folder>
+	</files>
+
+	<!-- Config parameter -->
+	<config
+		addrulepath="/administrator/components/com_componentbuilder/models/rules"
+		addfieldpath="/administrator/components/com_componentbuilder/models/fields"
+	>
+	<fields name="params">
+	<fieldset name="basic" label="PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_SETTINGS">
+		<!-- Activate_option Field. Type: Radio. (joomla) -->
+		<field
+			type="radio"
+			name="activate_option"
+			label="PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_ACTIVATE_OPTION_LABEL"
+			description="PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_ACTIVATE_OPTION_DESCRIPTION"
+			class="btn-group btn-group-yesno"
+			default="1"
+			required="true">
+			<!-- Option Set. -->
+			<option value="1">
+				PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_ALL</option>
+			<option value="2">
+				PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_SELECTED</option>
+		</field>
+		<!-- Components Field. Type: Components. (custom) -->
+		<field
+			type="components"
+			name="components"
+			label="PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_COMPONENTS_LABEL"
+			description="PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_COMPONENTS_DESCRIPTION"
+			class="list_class"
+			multiple="true"
+			default="0"
+			showon="activate_option:2"
+			button="false"
+		/>
+		<!-- Strict_permission_per_field Field. Type: Radio. (joomla) -->
+		<field
+			type="radio"
+			name="strict_permission_per_field"
+			label="PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_STRICT_PERMISSION_PER_FIELD_LABEL"
+			description="PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_STRICT_PERMISSION_PER_FIELD_DESCRIPTION"
+			class="btn-group btn-group-yesno"
+			default="1">
+			<!-- Option Set. -->
+			<option value="0">
+				PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_NO</option>
+			<option value="1">
+				PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_YES</option>
+		</field>
+	</fieldset>
+	</fields>
+	</config>
+</extension>
\ No newline at end of file
diff --git a/index.html b/index.html
new file mode 100644
index 0000000..fa6d84e
--- /dev/null
+++ b/index.html
@@ -0,0 +1 @@
+<html><body bgcolor="#FFFFFF"></body></html>
\ No newline at end of file
diff --git a/language/en-GB/en-GB.plg_extension_componentbuilderexportcompiler.ini b/language/en-GB/en-GB.plg_extension_componentbuilderexportcompiler.ini
new file mode 100644
index 0000000..062f438
--- /dev/null
+++ b/language/en-GB/en-GB.plg_extension_componentbuilderexportcompiler.ini
@@ -0,0 +1,16 @@
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER="Extension - Componentbuilder Export Compiler"
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_DESCRIPTION="This plugin is used to tweak the export options for your components during compilation. To activate it you must first enable it here. Then open your JCB component global options, and under the Global tab, select this plugin in the Activate Compiler Plugins field.
+Also be sure to activate the component/s that should be targeted with this added export feature under the Component Activation tab."
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_XML_DESCRIPTION="<h1>Extension - Componentbuilder Export Compiler (v.1.0.0)</h1> <div style='clear: both;'></div><p>This plugin is used to tweak the export options for your components during compilation. To activate it you must first enable it here. Then open your JCB component global options, and under the Global tab, select this plugin in the Activate Compiler Plugins field.
+Also be sure to activate the component/s that should be targeted with this added export feature under the Component Activation tab.</p><p>Created by <a href='http://www.joomlacomponentbuilder.com' target='_blank'>Llewellyn van der Merwe</a><br /><small>Development started 21st August, 2019</small></p>"
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_SETTINGS="Settings"
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_ACTIVATE_OPTION_LABEL="Activate Options"
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_ACTIVATE_OPTION_DESCRIPTION="You can select the kind of activation control you would like to use. <b>All</b> will target all components, and <b>Selected</b> will let you select only those you want to be active."
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_ALL="All"
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_SELECTED="Selected"
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_COMPONENTS_LABEL="Components"
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_COMPONENTS_DESCRIPTION="Select the components you would like to be targeted."
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_STRICT_PERMISSION_PER_FIELD_LABEL="Add Strict Permission per/field"
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_STRICT_PERMISSION_PER_FIELD_DESCRIPTION="You can add strict permissions per/field in the export method where there is field permissions in a view."
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_NO="No"
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_YES="Yes"
\ No newline at end of file
diff --git a/language/en-GB/en-GB.plg_extension_componentbuilderexportcompiler.sys.ini b/language/en-GB/en-GB.plg_extension_componentbuilderexportcompiler.sys.ini
new file mode 100644
index 0000000..062f438
--- /dev/null
+++ b/language/en-GB/en-GB.plg_extension_componentbuilderexportcompiler.sys.ini
@@ -0,0 +1,16 @@
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER="Extension - Componentbuilder Export Compiler"
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_DESCRIPTION="This plugin is used to tweak the export options for your components during compilation. To activate it you must first enable it here. Then open your JCB component global options, and under the Global tab, select this plugin in the Activate Compiler Plugins field.
+Also be sure to activate the component/s that should be targeted with this added export feature under the Component Activation tab."
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_XML_DESCRIPTION="<h1>Extension - Componentbuilder Export Compiler (v.1.0.0)</h1> <div style='clear: both;'></div><p>This plugin is used to tweak the export options for your components during compilation. To activate it you must first enable it here. Then open your JCB component global options, and under the Global tab, select this plugin in the Activate Compiler Plugins field.
+Also be sure to activate the component/s that should be targeted with this added export feature under the Component Activation tab.</p><p>Created by <a href='http://www.joomlacomponentbuilder.com' target='_blank'>Llewellyn van der Merwe</a><br /><small>Development started 21st August, 2019</small></p>"
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_SETTINGS="Settings"
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_ACTIVATE_OPTION_LABEL="Activate Options"
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_ACTIVATE_OPTION_DESCRIPTION="You can select the kind of activation control you would like to use. <b>All</b> will target all components, and <b>Selected</b> will let you select only those you want to be active."
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_ALL="All"
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_SELECTED="Selected"
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_COMPONENTS_LABEL="Components"
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_COMPONENTS_DESCRIPTION="Select the components you would like to be targeted."
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_STRICT_PERMISSION_PER_FIELD_LABEL="Add Strict Permission per/field"
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_STRICT_PERMISSION_PER_FIELD_DESCRIPTION="You can add strict permissions per/field in the export method where there is field permissions in a view."
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_NO="No"
+PLG_EXTENSION_COMPONENTBUILDEREXPORTCOMPILER_YES="Yes"
\ No newline at end of file
diff --git a/script.php b/script.php
new file mode 100644
index 0000000..01ac77a
--- /dev/null
+++ b/script.php
@@ -0,0 +1,57 @@
+<?php
+/**
+ * @package    Joomla.Component.Builder
+ *
+ * @created    30th April, 2015
+ * @author     Llewellyn van der Merwe <http://www.joomlacomponentbuilder.com>
+ * @github     Joomla Component Builder <https://github.com/vdm-io/Joomla-Component-Builder>
+ * @copyright  Copyright (C) 2015 - 2020 Vast Development Method. All rights reserved.
+ * @license    GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+// No direct access to this file
+defined('_JEXEC') or die('Restricted access');
+
+/**
+ * Extension - Componentbuilder Export Compiler script file.
+ *
+ * @package PlgExtensionComponentbuilderExportCompiler
+ */
+class plgExtensionComponentbuilderExportCompilerInstallerScript
+{
+
+	/**
+	 * Called before any type of action
+	 *
+	 * @param   string  $route  Which action is happening (install|uninstall|discover_install|update)
+	 * @param   JAdapterInstance  $adapter  The object responsible for running this script
+	 *
+	 * @return  boolean  True on success
+	 */
+	public function preflight($route, JAdapterInstance $adapter)
+	{
+		// get application
+		$app = JFactory::getApplication();
+
+		// the default for both install and update
+		$jversion = new JVersion();
+		if (!$jversion->isCompatible('3.8.0'))
+		{
+			$app->enqueueMessage('Please upgrade to at least Joomla! 3.8.0 before continuing!', 'error');
+			return false;
+		}
+
+		if ('install' === $route)
+		{
+			// check that componentbuilder is installed
+			$pathToCore = JPATH_ADMINISTRATOR . '/components/com_componentbuilder/helpers/componentbuilder.php';
+			if (!JFile::exists($pathToCore))
+			{
+				$app->enqueueMessage('Joomla Component Builder must first be installed from <a href="https://www.joomlacomponentbuilder.com/ " target="_blank">Joomla Component Builder</a>.', 'error');
+				return false;
+			}
+		}
+
+		return true;
+	}
+}