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<?php

/**
 * MvcCore
 *
 * This source file is subject to the BSD 3 License
 * For the full copyright and license information, please view
 * the LICENSE.md file that are distributed with this source code.
 *
 * @copyright   Copyright (c) 2016 Tom Flidr (https://github.com/mvccore)
 * @license  https://mvccore.github.io/docs/mvccore/5.0.0/LICENCE.md
 */

namespace MvcCore\View;

trait Props {

    /**
     * Currently dispatched controller instance.
     * @var \MvcCore\Controller
     */
    protected $controller = NULL;

    /**
     * All other private properties.
     * @var array
     */
    protected $__protected = [
        /**
          * Rendered content.
          * @var string
          */
        'content'           => '',
        /**
          * Variables store, setted (always from controller)
          * through `__set()` magic function.
          * @var array
          */
        'store'             => [],
        /**
          * Helpers instances storage for current view instance.
          * Keys in array are helper method names.
          * Every view has it's own helpers storage to recognize
          * if helper has been already used inside current view or not.
          * @var array
          */
        'helpers'           => [],
        /**
          * Boolean about if build in helpers are initialized.
          * @var boolean
          */
        'buildInHelpersInit'=> FALSE,
        /**
          * `0` - Rendering mode switch to render views in two ways:
          *     `\MvcCore\IView::RENDER_WITH_OB_FROM_ACTION_TO_LAYOUT`:
          *       - Render action view first into output buffer, then render layout view
          *         wrapped around rendered action view string also into output buffer.
          *         Then set up rendered content from output buffer into response object
          *         and then send HTTP headers and content after all.
          *     `\MvcCore\IView::RENDER_WITHOUT_OB_CONTINUOUSLY`:
          *       - Special rendering mode to continuously sent larger data to client.
          *         Render layout view and render action view together inside it without
          *         output buffering. There is not used reponse object body property for
          *         this rendering mode. Http headers are sent before view rendering.
          * `1` - `string` - controller name dashed (or action name dashed).
          * `2` - `string` - action name dashed.
          * @var int
          */
        'renderArgs'        => [\MvcCore\IView::RENDER_WITH_OB_FROM_ACTION_TO_LAYOUT, NULL, NULL],
        /**
          * Currently rendered php/phtml file path(s).
          * @var \string[]
          */
        'renderedFullPaths' => [],
        /**
          * `\ReflectionClass` instances to get additional values
          * from controller or form or any other parent instance
          * by `__get()` method.
          * @var array
          */
        'reflectionTypes'   => [],
        /**
          * Currently searched reflection class property name.
          * @var string|NULL
          */
        'reflectionName'    => NULL,
    ];

    /**
     * View scripts files extension with leading dot char.
     * Default value: `".phtml"`.
     * @var string
     */
    protected static $extension = '.phtml';

    /**
     * Output document type (to automatically and optionally send proper
     * HTTP header `Content-Type`, if there is no `Content-Type` HTTP
     * header in response object yet).
     * This value could be used also for any other custom purposes.
     * Possible values:
     * - `HTML4` - `\MvcCore\IView::DOCTYPE_HTML4`
     * - `XHTML` - `\MvcCore\IView::DOCTYPE_XHTML`
     * - `HTML5` - `\MvcCore\IView::DOCTYPE_HTML5`
     * - `XML`   - `\MvcCore\IView::DOCTYPE_XML`
     * Default value: `HTML5`.
     * @var string
     */
    protected static $doctype = self::DOCTYPE_HTML5;

    /**
     * Layout templates directory placed by default
     * inside `"/App/Views"` directory. Default value
     * is `"Layouts"`, so layouts app path
     * is `"/App/Views/Layouts"`.
     * @var string
     */
    protected static $layoutsDir = 'Layouts';

    /**
     * Controller/action templates directory
     * placed by default inside `"/App/Views"` directory.
     * Default value is `"Scripts"`, so scripts app path
     * is `"/App/Views/Scripts"`.
     * @var string
     */
    protected static $scriptsDir = 'Scripts';

    /**
     * Views helpers directory placed by default
     * inside `"/App/Views"` directory.
     * Default value is `"Helpers"`, so scripts app path
     * is `"/App/Views/Helpers"`.
     * @var string
     */
    protected static $helpersDir = 'Helpers';

    /**
     * Helpers classes namespaces, where are all configured view helpers placed.
     * For read & write.
     * @var array
     */
    protected static $helpersNamespaces = [
        /*'\MvcCore\Ext\Views\Helpers\'*/
    ];

    /**
     * Global helpers instances storage.
     * Keys in array are helper method names.
     * These helpers instances are used for all views.
     * @var array
     */
    private static $_globalHelpers = [];

    /**
     * Cached base full path for repeat method calls `\MvcCore\View::GetViewScriptFullPath();`.
     * @var string
     */
    private static $_viewScriptsFullPathBase = NULL;

    /**
     * Reference to `\MvcCore\Application::GetInstance()->GetToolClass();`.
     * @var string|NULL
     */
    private static $_toolClass = NULL;
}