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<?php |
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/** |
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* Plugin Name: Child Theme Wizard |
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* Plugin URI: https://wpguru.tv |
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* Description: Creates a child theme from any theme you have installed |
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* Version: 1.3 |
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* Author: Jay Versluis |
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* Author URI: https://wpguru.tv |
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* License: GPL2 |
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* License URI: http://www.gnu.org/licenses/gpl-2.0.html |
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*/ |
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|
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/* Copyright 2013-2019 Jay Versluis (email support@wpguru.tv) |
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|
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License, version 2, as |
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published by the Free Software Foundation. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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|
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// add submenu page under Tools |
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function ctw_menu() { |
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global $starter_plugin_admin_page; |
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$starter_plugin_admin_page = add_submenu_page ('tools.php', __('Child Theme Wizard', 'ctw'), __('Child Theme Wizard', 'ctw'), 'manage_options', 'ChildThemeWizard', 'ctwMainFunction'); |
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} |
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add_action('admin_menu', 'ctw_menu'); |
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|
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|
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/////////////////////////////////////////////// |
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// main function that generates the admin page |
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function ctwMainFunction () { |
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|
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// check that the user has the required capability |
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if (!current_user_can('manage_options')) |
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{ |
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wp_die( __('You do not have sufficient privileges to access this page. Sorry!') ); |
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} |
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|
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/////////////////////////////////////// |
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// MAIN AMDIN CONTENT SECTION |
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/////////////////////////////////////// |
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|
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// display heading with icon WP style |
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?> |
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<div class="wrap"> |
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<div id="icon-index" class="icon32"><br></div> |
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<h2>Child Theme Wizard</h2> |
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|
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<?php |
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|
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// check if the button has been pressed |
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if( isset($_POST[ 'hiddenfield' ]) && $_POST[ 'hiddenfield' ] == 'Y' ) { |
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|
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// call function with sanitized values |
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$newchildtheme = array( |
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'parent' => $_POST['parent'], |
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'title' => sanitize_text_field($_POST['title']), |
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'description' => sanitize_text_field($_POST['description']), |
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'url' => sanitize_text_field($_POST['url']), |
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'author' => sanitize_text_field($_POST['author']), |
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'author-url' => sanitize_text_field($_POST['author-url']), |
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'version' => sanitize_text_field($_POST['version']), |
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'include-gpl' => $_POST['include-gpl'], |
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); |
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|
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// create child theme - let's see if this worked |
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$status = ctw_create_theme($newchildtheme); |
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// ctw_testing($newchildtheme); |
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|
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// Put a "settings updated" message on the screen |
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if ($status['alert'] == -1) { |
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// panic - there was an error |
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?> |
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<div class="error"> |
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<strong><p>Yikes - something went wrong:</p> |
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<?php echo $status['message']; ?> |
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</strong> |
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</div> |
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<div><strong><p>Would you like to <a href="<?php get_admin_url('tools.php?page=ChildThemeWizard'); ?>">try again?</a></p></strong></div> |
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|
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<?php |
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} else { |
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// everything went fine |
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?> |
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<div class="updated"> |
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<strong> |
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<?php echo $status['message']; ?> |
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<p> |
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<?php _e('Your Child Theme was created successfully!', 'ctw' ); ?> |
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</strong></p></div> |
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<div> |
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<p>Head over to <a href="<?php echo admin_url('themes.php'); ?>">Appearance - Themes</a> to activate it.</p> |
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<p>Add your custom styles in <a href="<?php echo admin_url('theme-editor.php'); ?>">Appearance - Editor</a>.</p> |
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</div> |
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<?php |
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} |
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} else { |
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|
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// display the new child theme dialogue |
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?> |
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|
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<p>This simple wizard will help you generate a new <a href="https://codex.wordpress.org/Child_Themes" target="_blank">Child Theme</a> with just one click. </p> |
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<p>Select which theme you want to use as a base, fill in the details and click "Create Child Theme".</p> |
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<hr> |
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<form name="ctwform" method="post" action=""> |
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<input type="hidden" name="hiddenfield" value="Y"> |
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|
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|
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<?php |
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|
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// fields for author and title |
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// we can pre-populate some data too |
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$current_user = wp_get_current_user(); |
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?> |
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<table width="600" border="0"> |
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<tr> |
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<td>Parent Theme</td> |
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<td><?php |
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// grab a list of all parent themes and iterate through them |
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// $themes = wp_get_themes(); |
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$themes = ctw_giveme_parents(); |
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$currentTheme = wp_get_theme(); |
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echo '<select name="parent">'; |
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foreach ($themes as $theme) { |
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// if it's the current theme, make it selected |
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if($currentTheme->get('Name') == $theme->get('Name')) { |
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echo '<option value ="' . $theme->get_stylesheet() . '" selected>' . $theme->get('Name') . ' (currently active)</option>'; |
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} else { |
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echo '<option value ="' . $theme->get_stylesheet() . '">' . $theme->get('Name') . '</option>'; |
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} |
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} |
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echo '</select>'; |
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?></td> |
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<td><em></em></td> |
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</tr> |
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<tr> |
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<td>Title</td> |
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<td><input type="text" name="title" value="" size="20"></td> |
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<td><em>what's your new Child Theme called?</em></td> |
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</tr> |
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<tr> |
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<td>Description</td> |
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<td><input type="text" name="description" value="" size="20"></td> |
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<td><em>a few notes about your Child Theme</em></td> |
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</tr> |
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<tr> |
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<td>Child Theme URL</td> |
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<td><input type="text" name="url" value="" size="20"></td> |
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<td><em>does it have a website or release post?</em></td> |
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</tr> |
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<tr> |
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<td>Author</td> |
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<td><input type="text" name="author" value="<?php echo $current_user->display_name; ?>" size="20"></td> |
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<td><em>that's you</em></td> |
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</tr> |
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<tr> |
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<td>Author URL</td> |
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<td><input type="text" name="author-url" value="<?php echo $current_user->user_url; ?>" size="20"></td> |
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<td><em>that's your website</em></td> |
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</tr> |
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<tr> |
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<td>Version</td> |
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<td><input type="text" name="version" value="1.0" size="20"></td> |
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<td><em>start with 1.0 and work your way up</em></td> |
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</tr> |
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<tr> |
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<td>Include GPL License</td> |
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<td> |
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<select name="include-gpl"> |
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<option value="on">Yes Please!</option> |
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<option value="off">No Thanks</option> |
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</select> |
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</td> |
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<td><em></em></td> |
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</tr> |
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</table> |
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|
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<p class="submit"> |
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<input type="submit" name="Submit" class="button-primary" value="<?php esc_attr_e('Create Child Theme') ?>" /> |
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</p> |
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|
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<?php // end of else |
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} |
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?> |
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<br><hr><br> |
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|
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</div> <!-- end of main wrap --> |
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|
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<?php // display the footer ?> |
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<p><a href="https://wpguru.co.uk" target="_blank"><img src="<?php |
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echo plugins_url('images/guru-header-2013.png', __FILE__); ?>" width="300"></a> </p> |
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|
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<p><a href="https://wpguru.co.uk/2014/03/introducing-child-theme-wizard-for-wordpress/" target="_blank">Plugin by Jay Versluis</a> | <a href="https://github.com/versluis/Child-Theme-Wizard" target="_blank">Fork me or Contribute on GitHub</a> | <a href="https://patreon.com/versluis" target="_blank">Support me on Patreon</a></p> |
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|
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<p><span><!-- Social Buttons --> |
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|
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<!-- YouTube --> |
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<script src="https://apis.google.com/js/platform.js"></script> |
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<div class="g-ytsubscribe" data-channel="wphosting"></div> |
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|
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<!-- Place this tag after the last widget tag. --> |
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<script type="text/javascript"> |
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(function() { |
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var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true; |
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po.src = 'https://apis.google.com/js/platform.js'; |
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var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s); |
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})(); |
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</script> |
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|
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|
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|
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<!-- Twitter --> |
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<a href="https://twitter.com/versluis" class="twitter-follow-button" data-show-count="true">Follow @versluis</a> |
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<script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');</script> |
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|
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<!-- Facebook --> |
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<iframe src="//www.facebook.com/plugins/like.php?href=https%3A%2F%2Fwww.facebook.com%2Fpages%2FThe-WP-Guru%2F162188713810370&width&layout=button_count&action=like&show_faces=true&share=true&height=21&appId=186277158097599" scrolling="no" frameborder="0" style="border:none; overflow:hidden; height:21px;" allowTransparency="true"></iframe> |
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|
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</span></p> |
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|
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<?php |
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} // end of main function |
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|
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/* |
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* this function creates the new directory and file |
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*/ |
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|
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function ctw_create_theme($childtheme) { |
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|
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// add messages to this variable |
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$status = array(); |
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$status['alert'] = 0; |
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|
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// create the directory |
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$directory = get_theme_root() . '/' . sanitize_file_name($childtheme['title']); |
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// echo '<p>The child theme directory will be created at ' . $directory; |
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if (!mkdir($directory)) { |
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$status['message'] = "<p>Could not create directory. Does it exist already?</p>"; |
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$status['alert'] = -1; |
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return $status; |
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} else { |
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$status['message'] = "<p>Directory created successfully.</p>"; |
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} |
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|
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// create style.css in our directory |
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$filename = $directory . '/' . 'style.css'; |
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$handle = fopen($filename, 'w'); |
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|
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// add meta data |
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$data = "/* \n Theme Name: " . $childtheme['title']; |
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$data = $data . "\n Theme URI: " . $childtheme['url']; |
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$data = $data . "\n Description: " . $childtheme['description']; |
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$data = $data . "\n Author: " . $childtheme['author']; |
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$data = $data . "\n Author URI: " . $childtheme['author-url']; |
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$data = $data . "\n Template: " . $childtheme['parent']; |
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$data = $data . "\n Version: " . $childtheme['version']; |
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|
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// insert GPL License Terms |
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if ($childtheme['include-gpl'] == 'on') { |
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$data = $data . "\n License: GNU General Public License v2 or later"; |
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$data = $data . "\n License URI: http://www.gnu.org/licenses/gpl-2.0.html"; |
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} |
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|
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// adding the call to the parent style sheet in CSS is no longer best practice |
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// $data = $data . "\n*/\n\n" . '@import url("../' . $childtheme['parent'] . '/style.css");'; |
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$data = $data . "\n\n /* == Add your own styles below this line =="; |
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$data = $data . "\n--------------------------------------------*/\n\n"; |
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|
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// write data and close the file |
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if (fwrite($handle, $data) == false) { |
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$status['message'] = $status['message'] . "<p>There was a problem writing data to style.css.</p>"; |
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$status['alert'] = -1; |
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return $status; |
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} else { |
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$status['message'] = $status['message'] . "<p>Writing data to style.css...</p>"; |
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} |
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fclose($handle); |
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|
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// create functions.php |
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$filename = $directory . '/' . 'functions.php'; |
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$handle = fopen($filename, 'w'); |
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|
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// add some meta data |
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$data = "<?php /*\n\n This file is part of a child theme called " . $childtheme['title'] . "."; |
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$data = $data . "\n Functions in this file will be loaded before the parent theme's functions."; |
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$data = $data . "\n For more information, please read https://developer.wordpress.org/themes/advanced-topics/child-themes/"; |
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$data = $data . "\n\n*/"; |
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|
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// add call to enqueue parent style sheet via functions.php |
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$data = $data . "\n\n// this code loads the parent's stylesheet (leave it in place unless you know what you're doing)"; |
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$data = $data . "\n\nfunction your_theme_enqueue_styles() {"; |
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$data = $data . "\n wp_enqueue_style( 'parent-style', \n"; |
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$data = $data . " get_template_directory_uri() . '/style.css'); \n"; |
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|
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$data = $data . "\n wp_enqueue_style( 'child-style', \n"; |
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$data = $data . " get_stylesheet_directory_uri() . '/style.css', \n"; |
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$data = $data . " array(". '$parent_style' ."), \n"; |
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$data = $data . " wp_get_theme()->get('Version') \n"; |
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$data = $data . " );\n}"; |
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$data = $data . "\n\nadd_action('wp_enqueue_scripts', 'your_theme_enqueue_styles');"; |
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|
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$data = $data . "\n\n/* Add your own functions below this line."; |
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$data = $data . "\n ======================================== */ \n\n"; |
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|
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// write data and close the file |
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if (fwrite($handle, $data) == false) { |
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$status['message'] = $status['message'] . "<p>There was a problem writing data to functions.php.</p>"; |
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$status['alert'] = -1; |
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return $status; |
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} else { |
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$status['message'] = $status['message'] . "<p>Writing data to functions.php...</p>"; |
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} |
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fclose($handle); |
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|
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// create a nice screenshot |
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$thumbnail_status = ctw_make_thumbnail($directory); |
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$status['message'] = $status['message'] . $thumbnail_status; |
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|
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return $status; |
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} |
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|
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// return an array only of parent themes |
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function ctw_giveme_parents() { |
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|
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// first we'll grab all installed themes |
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$allThemes = wp_get_themes(); |
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$parentThemes = array(); |
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|
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// next we'll add all parents and return the result |
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foreach ($allThemes as $theme) { |
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|
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if ($theme->parent() == false) { |
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$parentThemes[] = $theme; |
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} |
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} |
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|
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return $parentThemes; |
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} |
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|
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// create a new thumbnail |
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function ctw_make_thumbnail($childpath) { |
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|
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// for now we'll just copy an existing image |
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$thumbnail = plugins_url('images/screenshot.png', __FILE__); |
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$destination = $childpath . '/screenshot.png'; |
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if (!copy($thumbnail, $destination)) { |
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return "<p>Could not copy thumbnail image :-(</p>"; |
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} else { |
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return "<p>Copied thumbnail file over - looking good!</p>"; |
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} |
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} |
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|
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// quick tests go here |
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function ctw_testing($childtheme) { |
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|
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$directory = get_theme_root() . '/' . sanitize_file_name($childtheme['title']); |
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ctw_make_thumbnail($directory); |
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} |
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|
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?> |
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|
