Settings > Advanced Dates.) w/ special thanks to Ryan Jarrett Version: 1.0 Author: Studio Hyperset, Inc. Author URI: http://studiohyperset.com/posts License: GPL3 */ // Add css function admin_register_head() { $siteurl = get_option('siteurl'); $url = $siteurl . '/wp-content/plugins/' . basename(dirname(__FILE__)) . '/css/style.css'; echo "\n"; } add_action('admin_head', 'admin_register_head'); // Add JavaScript wp_enqueue_script('functions', '/wp-content/plugins/advanced-dates/js/functions.js'); // Add "Settings" link to installed plugins page function add_settings_link($links, $file) { static $this_plugin; if (!$this_plugin) $this_plugin = plugin_basename(__FILE__); if ($file == $this_plugin){ $settings_link = ''.__("Settings", "advanced_dates").''; array_unshift($links, $settings_link); } return $links; } add_filter('plugin_action_links', 'add_settings_link', 10, 2 ); // Define admin option group add_action('admin_init', 'advanceddates_group_init' ); function advanceddates_group_init(){ register_setting( 'advanceddates_group', 'advanceddates_global' ); register_setting( 'advanceddates_group', 'advanceddates_differential' ); register_setting( 'advanceddates_group', 'advanceddates_bypost' ); register_setting( 'advanceddates_group', 'advanceddates_freeze_global' ); } // New get_the_date function function get_advanced_dates($the_date) { global $post, $prefix; if (get_option('advanceddates_bypost') && get_post_meta($post->ID,$prefix.'post_enable',true)) { if (!get_post_meta($post->ID,$prefix.'post_freeze',true)) $year = date('Y') + get_post_meta($post->ID,$prefix.'post_differential',true); else $year = mysql2date('Y', $post->post_date) + get_post_meta($post->ID,$prefix.'post_differential',true); $the_date = str_replace(mysql2date("Y", $post->post_date),$year,$the_date); } elseif (get_option('advanceddates_global')) { if (!get_option('advanceddates_freeze_global')) $year = date('Y') + get_option('advanceddates_differential'); else $year = mysql2date('Y', $post->post_date) + get_option('advanceddates_differential'); $the_date = str_replace(mysql2date("Y", $post->post_date),$year,$the_date); } return $the_date; } add_filter('get_the_date', 'get_advanced_dates'); add_filter('the_date', 'get_advanced_dates'); // Add same functionality to the_time and get_the_time functions add_filter('get_the_time', 'get_advanced_dates'); add_filter('the_time', 'get_advanced_dates'); // Setup Advanced Dates metabox $prefix = 'advanceddates_meta_'; // a custom prefix to help us avoid pulling data from the wrong meta box $meta_box = array( 'id' => 'advanceddates_metabox', // the id of our meta box 'title' => 'Advanced Dates', // the title of the meta box 'page' => 'post', // display this meta box on post editing screens 'context' => 'side', 'priority' => 'default', // high, core, default or low 'fields' => array( // all of the options inside of our meta box array( 'name' => 'Enable?', 'id' => $prefix . 'post_enable', 'type' => 'checkbox', 'std' => '' ), array( 'name' => 'Differential:', 'id' => $prefix . 'post_differential', 'type' => 'text', 'std' => '0' ), array( 'name' => 'Freeze?', 'id' => $prefix . 'post_freeze', 'type' => 'checkbox', 'std' => '' ) ) ); function add_metaboxes() { global $meta_box; if (get_option('advanceddates_bypost')) { add_meta_box($meta_box['id'], $meta_box['title'], 'mytheme_show_box', $meta_box['page'], $meta_box['context'], $meta_box['priority']); add_meta_box($meta_box['id'], $meta_box['title'], 'mytheme_show_box', 'page', $meta_box['context'], $meta_box['priority']); } } add_action('admin_menu', 'add_metaboxes'); function mytheme_show_box() { global $meta_box, $post; // Use nonce for verification echo ''; echo ''; foreach ($meta_box['fields'] as $field) { // get current post meta data $meta = get_post_meta($post->ID, $field['id'], true); echo '', '', '

', $field['name'], '

'; switch ($field['type']) { case 'text': echo '', ' '; break; case 'textarea': echo '', '<br />'; break; case 'select': echo '<select name="', $field['id'], '" id="', $field['id'], '">'; foreach ($field['options'] as $option) { echo '<option', $meta == $option ? ' selected="selected"' : '', '>', $option, '</option>'; } echo '</select>'; break; case 'radio': foreach ($field['options'] as $option) { echo '<input type="radio" name="', $field['id'], '" value="', $option['value'], '"', $meta == $option['value'] ? ' checked="checked"' : '', ' />', $option['name']; } break; case 'checkbox': echo '<input type="checkbox" onclick="uncheck2(); uncheck3();" name="', $field['id'], '" id="', $field['id'], '"', $meta ? ' checked="checked"' : '', ' />'; break; } echo '<td>', '</tr>'; if ($field['desc']) { echo "<tr><td colspan='2'>".$field['desc']."</td></tr>"; } } echo '<tr id="spacer"><td></td></tr></table> <a href="http://studiohyperset.com" target="_blank" title="Studio Hyperset, Inc."><img src="http://studiohyperset.com/wp-content/uploads/2011/03/logo-lg.png" id="logo2" /></a> <p class="learn-more"><a id="instructions" href="javascript:toggle();">Instructions & Links</a></p> <div id="meta-instructions"> <p class="p"><strong>Differential</strong><br />Enter + <span class="x">x</span> if you want your page/post to appear as if it's been written in the future (e.g., +150) and - <span class="x">x</span> if you want it to appear as if it's been written in the past (e.g, -150). If you omit the "+" or "-," the plugin defaults to the former ("+").</p> <p class="p"><strong>Freezing Dates</strong><br />This prevents the server from adjusting the date of a page/post when the calendar year rolls over. With this option enabled, a given page/post's date will always read <span class="x">x</span> +/- the original publication year (where <span class="x">x</span> = your differential). Without this option enabled, your page/post date will increase by one year every time a new calendar year begins.</p> <p class="p-small"><strong>Links</strong><br /> <a href="http://wordpress.org/extend/plugins/advanced-dates/" target="_blank">Advanced Dates</a> :: <a href="http://studiohyperset.com/wordpress-advanced-dates-plugin/4016" target="_blank">Discussion</a> | <a href="http://getsatisfaction.com/studio_hyperset/products/studio_hyperset_wordpress_plugins" target="_blank">Support</a> | <a href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=C2KQADH2TGTS4" target="_blank">Donate</a> <br /><a href="http://studiohyperset.com" target="_blank">SH</a> :: <a href="http://studiohyperset.com/projects/wordpress-plugins" target="_blank">WordPress Plugins</a> | <a href="http://www.facebook.com/pages/Studio-Hyperset-Inc/10395843341" target="_blank">Facebook</a> | <a href="http://twitter.com/#!/studiohyperset" target="_blank">Twitter</a></p> </div> <p class="learn-more"><a href="options-general.php?page=advanced_dates">Settings » Advanced Dates</a></p>'; } add_action('save_post', 'advanceddates_save_data'); // Save data from meta box function advanceddates_save_data($post_id) { global $meta_box; // verify nonce if (!wp_verify_nonce($_POST['mytheme_meta_box_nonce'], basename(__FILE__))) { return $post_id; } // check autosave if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) { return $post_id; } // check permissions if ('page' == $_POST['post_type']) { if (!current_user_can('edit_page', $post_id)) { return $post_id; } } elseif (!current_user_can('edit_post', $post_id)) { return $post_id; } foreach ($meta_box['fields'] as $field) { $old = get_post_meta($post_id, $field['id'], true); $new = $_POST[$field['id']]; if ($new && $new != $old) { update_post_meta($post_id, $field['id'], $new); } elseif ('' == $new && $old) { delete_post_meta($post_id, $field['id'], $old); } } } // Setup Advanced Dates admin menu add_action('admin_menu', 'advanced_dates_menu'); function advanced_dates_menu() { add_options_page('Advanced Dates Configuration', 'Advanced Dates', 'manage_options', 'advanced_dates', 'advanced_dates_options'); } function advanced_dates_options() { if (!current_user_can('manage_options')) { wp_die( __('You do not have sufficient permissions to access this page.') ); } ?> <div class="wrap"> <h2>Advanced Dates</h2> <div class="border"></div> <div id="logo-wrap"><a href="http://studiohyperset.com" target="_blank"><img src="http://studiohyperset.com/wp-content/uploads/2011/03/logo-lg.png" id="logo" /></a><a href="http://studiohyperset.com" target="_blank">studiohyperset.com</a></div> <p id="intro">Extending the literary, documentary, and archival potential of WordPress, <a href="http://studiohyperset.com" target="_blank">Studio Hyperset</a>'s "Advanced Dates" WordPress plugin allows publishers to easily customize the publication year of posts and pages.</p> <p id="list">» <a href="http://studiohyperset.com/wordpress-advanced-dates-plugin/4016" target="_blank">Share ideas and read more about</a> the "Advanced Dates" plugin.<br /> » Plugin <a href="http://getsatisfaction.com/studio_hyperset/products/studio_hyperset_wordpress_plugins" target="_blank">support, feedback, and troubleshooting</a>.<br /> » Browse <a href="http://studiohyperset.com/projects/wordpress-plugins" target="_blank">SH's other WordPress plugins</a>.<br /> » Like the plugin? <a href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=C2KQADH2TGTS4" target="_blank">Send a donation</a>.<br /> » <a href="http://studiohyperset.com/contact" target="_blank">Contact SH</a> and/or link up with us on <a href="http://www.facebook.com/pages/Studio-Hyperset-Inc/10395843341" target="_blank">Facebook</a> and <a href="http://twitter.com/#!/studiohyperset" target="_blank">Twitter</a>. </p> <div class="border2"></div> <form name="form" id="admin" method="post" action="options.php"> <?php settings_fields( 'advanceddates_group' ); ?> <table class="form-table"> <tr valign="top"> <th width="718" scope="row"><strong>OPTION 1: Customize Dates Sitewide</strong></th> <td width="413"><input type="checkbox" onclick="document.getElementById('advanceddates_bypost').checked=false; uncheck();" name="advanceddates_global" id="advanceddates_global" value="true" <?php if (get_option('advanceddates_global')) echo "checked"; ?> /></td> </tr> <tr valign="top"> <th scope="row">Default differential: </th> <td><input type="text" name="advanceddates_differential" id="advanceddates_differential" value="<?php echo get_option('advanceddates_differential'); ?>" /></td> </tr> <tr> <td colspan=2> <p class="adv">If you'd like to adjust your dates <span class="x">x</span> number of years site-wide, enter your standard differential above. For example, enter +150 if you want all your pages and posts to appear as if they were written 150 years in the future and -150 if you want them to appear as if they were written 150 years in the past. If you omit the "+" or "-," the plugin defaults to the former ("+").<br /><br /> <em><strong>Please note</strong>, all dates are adjusted per, and rendered according to, <a href="http://wwp.greenwichmeantime.com/" target="_blank">GMT</a> and the <a href="http://en.wikipedia.org/wiki/Gregorian_calendar" target="_blank">Gregorian calendar</a>: the internationally accepted civil calendar.</em></p> </td> </tr> <tr valign="top"> <th scope="row">Would you like to freeze these dates?</th> <td><input type="checkbox" name="advanceddates_freeze_global" onclick="document.getElementById('advanceddates_bypost').checked=false;document.getElementById('advanceddates_global').checked=true;" id="advanceddates_freeze_global" value="true" <?php if (get_option('advanceddates_freeze_global')) echo "checked"; ?> /></td> </tr> <tr> <td colspan=2> <p class="adv">Freezing dates prevents the server from adjusting the date of a page/post when the calendar year rolls over. With this option enabled, your page/post dates will always read <span class="x">x</span> +/- the original publication year (where <span class="x">x</span> = your differential). Without this option enabled, your page/post dates will increase by one year each time a new calendar year begins.</p> </td> </tr> <tr valign="top"> <th scope="row"><strong>OPTION 2: Customize Dates on Individual Posts & Pages</strong></th> <td><input type="checkbox" onclick="document.getElementById('advanceddates_freeze_global').checked=false; document.getElementById('advanceddates_global').checked=false;" name="advanceddates_bypost" id="advanceddates_bypost" value="true" <?php if (get_option('advanceddates_bypost')) echo "checked"; ?> /></td> </tr> <tr> <td colspan=2> <p class="adv">If you want to adjust your dates on a page-by-page and post-by-post basis, select this option, and click "Save Changes." You'll be able to selectively (de)activate the plugin, customize the annual differential, and (un)freeze dates on each page/post's editing screen.</p> </td> </tr> </table> <div class="submit"> <input type="submit" class="button-primary" value="<?php _e('Save Changes') ?>" /> </div> </form> </div> <?php } ?>