Add pattern import and display logic #4

libs/class-oik-patterns-import.php

@@ -0,0 +1,188 @@
+<?php
+
+/**
+ * @copyright (C) Copyright Bobbing Wide 2022
+ * @package oik-patterns
+ *
+ */
+
+class OIK_patterns_import {
+
+
+    private $patterns = [];
+    private $patterns_json = null;
+    private $theme;
+
+
+    function __construct($theme = null)
+    {
+        $this->theme = $theme;
+        if ($theme) {
+            //echo "Importing cached patterns for: $theme";
+        } else {
+            //echo "Importing patterns for current theme";
+        }
+    }
+
+    function display_cached_patterns() {
+        //e( "Cached patterns");
+        $this->load_patterns_json();
+        if ( $this->patterns_json ) {
+            // There could be some cached patterns.
+            // The array may be empty though.
+            e(sprintf(_n('%$1s pattern', '%1$s patterns', 'oik-themes'), count($this->patterns)));
+            $this->accordion_start();
+            foreach ( $this->patterns as $pattern ) {
+               $this->display_pattern($pattern);
+            }
+            $this->accordion_end();
+        }
+        return bw_ret();
+    }
+
+    function display_pattern( $pattern ) {
+
+        h3( $pattern->title );
+        sdiv( 'pattern');
+
+        $cached_pattern = $this->get_cached_file( $pattern );
+        e( $cached_pattern );
+        p( $pattern->name );
+        if ( isset( $pattern->categories )) {
+            p(implode(',', $pattern->categories));
+        }
+        stag( 'pre', 'pattern', null, 'style="font-size:12px;"');
+        e( esc_html( $cached_pattern ));
+        etag( 'pre');
+        ediv();
+    }
+
+    function get_cached_file( $pattern ) {
+        $file = $this->get_pattern_filename( $pattern );
+        if ( file_exists( $file )) {
+            $cached_pattern = file_get_contents( $file );
+        } else {
+            $cached_pattern = "Missing pattern. File $file doesn't exist";
+        }
+        return $cached_pattern;
+    }
+
+    function accordion_start() {
+        oik_require("shortcodes/oik-jquery.php");
+        bw_jquery_enqueue_script("jquery-ui-accordion");
+        bw_jquery_enqueue_style("jquery-ui-accordion");
+        $selector = $this->bw_accordion_id();
+        bw_jquery("#$selector", "accordion", '{ heightStyle: "content"}');
+        $class = "bw_accordion";
+        sdiv( $class, $selector );
+    }
+
+    /**
+     * Returns the next selector for [bw_accordion]
+     *
+     * $inc  | action | return
+     * ----  | ------ | ------
+     * true  | $accordion_id++ | next value
+     * false | nop    | current value
+     * null  | 0    | current value	= 0
+     *
+     * @param bool|null $inc - increment the id?
+     * @return string - tab selector ID
+     */
+    function bw_accordion_id( $inc=true ) {
+        static $accordion_id = 0;
+        if ( $inc ) {
+            $accordion_id++;
+        } elseif ( null === $inc ) {
+            $accordion_id = 0;
+        }
+        return( "bw_accordion-$accordion_id" );
+    }
+
+    function accordion_end() {
+        ediv();
+    }
+
+
+    function format_accordion( $file, $type=null ) {
+        //bw_format_accordion()
+        h3( basename( $file ) );
+        $contents = file_get_contents( $file );
+        $contents = str_replace( '[', '&#091;', $contents);
+        //bw_geshi_it()
+        sdiv();
+        if ( 'patterns' === $type ) {
+            $this->preview_pattern($file, $contents);
+        }
+        stag( 'pre', 'pattern');
+        e( esc_html( $contents ));
+        etag( 'pre');
+
+        ediv();
+
+
+    }
+
+
+
+    /**
+     * Returns the file name for the pattern.json file for this theme.
+     *
+     * @return mixed
+     */
+    function get_patterns_json_file() {
+        $pattern_json_parts = [ WP_LANG_DIR ];
+        $pattern_json_parts[] = 'themes';
+        $pattern_json_parts[] = $this->theme;
+        $pattern_json_parts[] = get_locale();
+        $pattern_json_file = implode( '/', $pattern_json_parts );
+        //wp_mkdir_p( $pattern_json_file );
+        $pattern_json_file .= '/patterns.json';
+        return $pattern_json_file;
+    }
+
+    function load_patterns_json() {
+        $patterns_json_file = $this->get_patterns_json_file();
+        //e( $patterns_json_file );
+        if ( file_exists( $patterns_json_file )) {
+            $this->patterns_json = file_get_contents( $patterns_json_file );
+            $patterns = json_decode( $this->patterns_json);
+            $this->patterns = $patterns;
+        }
+    }
+
+    /**
+     * Determines the pattern filename.
+     *
+     * Takes into account the categories.
+     *
+     * @param $pattern
+     */
+    function get_pattern_filename( $pattern ) {
+        $pattern_filename_parts = [ WP_LANG_DIR ];
+        $pattern_filename_parts[] = 'themes';
+        $pattern_filename_parts[] = $this->theme;
+        $pattern_filename_parts[] = get_locale();
+
+        if ( isset( $pattern->categories)) {
+            foreach ($pattern->categories as $category) {
+                $pattern_filename_parts[] = $category;
+            }
+        }
+
+        $pattern_name_parts = explode( '/', $pattern->name);
+        $pattern_file_name = array_pop( $pattern_name_parts ); // Discard the filename
+        array_shift( $pattern_name_parts );  // Discard the theme name
+        foreach ( $pattern_name_parts as $subdir ) {
+            $pattern_filename_parts[] = $subdir;
+        }
+        $pattern_folder = implode( '/', $pattern_filename_parts );
+        //echo "Pattern filename: " . $pattern_filename;
+        //wp_mkdir_p( $pattern_folder );
+        $pattern_filename = $pattern_folder . '/' . $pattern_file_name . '.html';
+        //echo "Pattern file name: " . $pattern_filename;
+        return $pattern_filename;
+
+    }
+
+}