first commit

wp/wp-content/plugins/iper-medical/page-templater.php

@@ -0,0 +1,167 @@
+<?php
+
+class PageTemplater {
+
+	/**
+	 * A reference to an instance of this class.
+	 */
+	private static $instance;
+
+	/**
+	 * The array of templates that this plugin tracks.
+	 */
+	protected $templates;
+
+	/**
+	 * Returns an instance of this class.
+	 */
+	public static function get_instance() {
+
+		if ( null == self::$instance ) {
+			self::$instance = new PageTemplater();
+		}
+
+		return self::$instance;
+
+	}
+
+	/**
+	 * Initializes the plugin by setting filters and administration functions.
+	 */
+	private function __construct() {
+
+		$this->templates = array();
+
+
+		// Add a filter to the attributes metabox to inject template into the cache.
+		if ( version_compare( floatval( get_bloginfo( 'version' ) ), '4.7', '<' ) ) {
+
+			// 4.6 and older
+			add_filter(
+				'page_attributes_dropdown_pages_args',
+				array( $this, 'register_project_templates' )
+			);
+
+		} else {
+
+			// Add a filter to the wp 4.7 version attributes metabox
+			add_filter(
+				'theme_page_templates', array( $this, 'add_new_template' )
+			);
+
+		}
+
+		// Add a filter to the save post to inject out template into the page cache
+		add_filter(
+			'wp_insert_post_data',
+			array( $this, 'register_project_templates' )
+		);
+
+
+		// Add a filter to the template include to determine if the page has our
+		// template assigned and return it's path
+		add_filter(
+			'template_include',
+			array( $this, 'view_project_template')
+		);
+
+
+// Add your templates to this array.
+$this->templates = array(
+    'templates/template-medical-home.php' => 'Medical Home',
+    'templates/template-product.php' => 'Medical Product',
+    'templates/template-shipping.php' => 'Medical Shipping',
+    'templates/template-order.php' => 'Medical Order',
+    'templates/template-profile.php' => 'Medical Profile',
+    'templates/template-thank.php' => 'Medical Thank',
+    'templates/template-medical-accessories.php' => 'Medical Select Accessories'
+);
+
+
+	}
+
+	/**
+	 * Adds our template to the page dropdown for v4.7+
+	 *
+	 */
+	public function add_new_template( $posts_templates ) {
+		$posts_templates = array_merge( $posts_templates, $this->templates );
+		return $posts_templates;
+	}
+
+	/**
+	 * Adds our template to the pages cache in order to trick WordPress
+	 * into thinking the template file exists where it doens't really exist.
+	 */
+	public function register_project_templates( $atts ) {
+
+		// Create the key used for the themes cache
+		$cache_key = 'page_templates-' . md5( get_theme_root() . '/' . get_stylesheet() );
+
+		// Retrieve the cache list.
+		// If it doesn't exist, or it's empty prepare an array
+		$templates = wp_get_theme()->get_page_templates();
+		if ( empty( $templates ) ) {
+			$templates = array();
+		}
+
+		// New cache, therefore remove the old one
+		wp_cache_delete( $cache_key , 'themes');
+
+		// Now add our template to the list of templates by merging our templates
+		// with the existing templates array from the cache.
+		$templates = array_merge( $templates, $this->templates );
+
+		// Add the modified cache to allow WordPress to pick it up for listing
+		// available templates
+		wp_cache_add( $cache_key, $templates, 'themes', 1800 );
+
+		return $atts;
+
+	}
+
+	/**
+	 * Checks if the template is assigned to the page
+	 */
+	public function view_project_template( $template ) {
+		// Return the search template if we're searching (instead of the template for the first result)
+		if ( is_search() ) {
+			return $template;
+		}
+
+		// Get global post
+		global $post;
+
+		// Return template if post is empty
+		if ( ! $post ) {
+			return $template;
+		}
+
+		// Return default template if we don't have a custom one defined
+		if ( ! isset( $this->templates[get_post_meta(
+			$post->ID, '_wp_page_template', true
+		)] ) ) {
+			return $template;
+		}
+
+		// Allows filtering of file path
+		$filepath = apply_filters( 'page_templater_plugin_dir_path', plugin_dir_path( __FILE__ ) );
+
+		$file =  $filepath . get_post_meta(
+			$post->ID, '_wp_page_template', true
+		);
+
+		// Just to be safe, we check if the file exist first
+		if ( file_exists( $file ) ) {
+			return $file;
+		} else {
+			echo $file;
+		}
+
+		// Return template
+		return $template;
+
+	}
+
+}
+add_action( 'plugins_loaded', array( 'PageTemplater', 'get_instance' ) );