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- <?
- $prefix = 'fds_';
- $meta_box = array(
- 'id' => 'thumb-box',
- 'title' => '首頁縮圖設定',
- 'page' => 'post',
- 'context' => 'normal',
- 'priority' => 'high',
- 'fields' => array(
- array(
- 'name' => '首頁縮圖寬度',
- 'desc' => '填入數值,不需單位',
- 'id' => $prefix . 'thumb_width',
- 'type' => 'text',
- 'std' => '200'
- ),
- array(
- 'name' => '首頁縮圖高度',
- 'desc' => '填入數值,不需單位',
- 'id' => $prefix . 'thumb_height',
- 'type' => 'text',
- 'std' => '150'
- )
- )
- );
- add_action('admin_menu', 'mytheme_add_box');
- // Add meta box
- function mytheme_add_box() {
- global $meta_box;
- add_meta_box($meta_box['id'], $meta_box['title'], 'mytheme_show_box', $meta_box['page'], $meta_box['context'], $meta_box['priority']);
- }
- // Callback function to show fields in meta box
- function mytheme_show_box() {
- global $meta_box, $post;
- // Use nonce for verification
- echo '<input type="hidden" name="mytheme_meta_box_nonce" value="', wp_create_nonce(basename(__FILE__)), '" />';
- echo '<table class="form-table">';
- foreach ($meta_box['fields'] as $field) {
- // get current post meta data
- $meta = get_post_meta($post->ID, $field['id'], true);
- echo '<tr>',
- '<th style="width:20%"><label for="', $field['id'], '">', $field['name'], '</label></th>',
- '<td>';
- switch ($field['type']) {
- case 'text':
- echo '<input type="text" name="', $field['id'], '" id="', $field['id'], '" value="', $meta ? $meta : $field['std'], '" size="30" style="width:97%" />', '<br />', $field['desc'];
- break;
- case 'textarea':
- echo '<textarea name="', $field['id'], '" id="', $field['id'], '" cols="60" rows="4" style="width:97%">', $meta ? $meta : $field['std'], '</textarea>', '<br />', $field['desc'];
- 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" name="', $field['id'], '" id="', $field['id'], '"', $meta ? ' checked="checked"' : '', ' />';
- break;
- }
- echo '<td>',
- '</tr>';
- }
- echo '</table>';
- }
- add_action('save_post', 'mytheme_save_data');
- // Save data from meta box
- function mytheme_save_data($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);
- }
- }
- }
- if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
- return $post_id;
- }
- ?>
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