view builder

src/PluginViewBuilder.php

+<?php
+
+namespace WPDesk\View;
+
+use WPDesk\View\Renderer\SimplePhpRenderer;
+use WPDesk\View\Resolver\ChainResolver;
+use WPDesk\View\Resolver\DirResolver;
+use WPDesk\View\Resolver\WPThemeResolver;
+
+/**
+ * Facilitates building of the default plugin renderer.
+ *
+ * @package WPDesk\View
+ */
+class PluginViewBuilder {
+	/** @var string */
+	private $plugin_dir;
+
+	/** @var string[] */
+	private $template_dirs;
+
+	/**
+	 * @param string $plugin_dir Plugin directory path(absolute path)
+	 * @param string|string[] $template_dir Directory or list of directories with templates to render
+	 */
+	public function __construct( $plugin_dir, $template_dir = 'templates' ) {
+		$this->plugin_dir = $plugin_dir;
+		if ( ! is_array( $template_dir ) ) {
+			$this->template_dirs = [ $template_dir ];
+		} else {
+			$this->template_dirs = $template_dir;
+		}
+	}
+
+	/**
+	 * Creates simple renderer that search for the templates in plugin dir and in theme/child dir.
+	 *
+	 * For example if your plugin dir is /plugin, template dir is /templates, theme is /theme, and a child theme is /child
+	 * the templates will be loaded from(order is important):
+	 * - /child/plugin/*.php
+	 * - /theme/plugin/*.php
+	 * - /plugin/templates/*.php
+	 *
+	 * @return SimplePhpRenderer
+	 */
+	public function createSimpleRenderer() {
+		$resolver = new ChainResolver();
+		$resolver->appendResolver( new WPThemeResolver( basename( $this->plugin_dir ) ) );
+		foreach ( $this->template_dirs as $dir ) {
+			$dir = trailingslashit( $this->plugin_dir ) . trailingslashit( $dir );
+			$resolver->appendResolver( new DirResolver( $dir ) );
+		}
+		return new SimplePhpRenderer( $resolver );
+	}
+
+	/**
+	 * Load templates using simple renderer.
+	 *
+	 * @param string $name Name of the template
+	 * @param string $path Additional path of the template ie. for path "path" the templates would be loaded from /plugin/templates/path/*.php
+	 * @param array $args Arguments for templates to use
+	 *
+	 * @return string Rendered template.
+	 */
+	public function loadTemplate( $name, $path = '.', $args = array() ) {
+		$renderer = $this->createSimpleRenderer();
+
+		return $renderer->render( trailingslashit( $path ) . $name, $args );
+	}
+}
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