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singledown-meta-box.php
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singledown-meta-box.php
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<?php
if ( !defined('ABSPATH') ) {exit;}
add_action( 'admin_menu', 'singledown_create_down_box' );
add_action( 'save_post', 'singledown_save_down_data' );
function singledown_create_down_box() {
add_meta_box( 'singledown_-post-meta-boxes','开启下载（请根据实际开启其中一种下载模式）', 'singledown_post_down_info', 'post', 'normal', 'high' );
}
function singledown_down_post_boxes() { //资源名称、资源大小、更新时间、适用版本、作者信息
$meta_boxes = array(
array(
"name" => "singledown_start",
"title" => "启用下载",
"desc" => "启用下载",
"type" => "checkbox",
"capability" => "manage_options"
),
array(
"name" => "singledown_name",
"title" => "资源名称",
"desc" => "",
"type" => "text",
"capability" => "manage_options"
),
array(
"name" => "singledown_size",
"title" => "资源大小",
"desc" => "",
"type" => "text",
"capability" => "manage_options"
),
array(
"name" => "singledown_date",
"title" => "更新时间",
"desc" => "",
"type" => "text",
"capability" => "manage_options"
),
array(
"name" => "singledown_version",
"title" => "适用版本",
"desc" => "",
"type" => "text",
"capability" => "manage_options"
),
array(
"name" => "singledown_author",
"title" => "作者信息",
"desc" => "",
"type" => "text",
"capability" => "manage_options"
),
array(
"name" => "singledown_guanfang",
"title" => "官方下载",
"desc" => "",
"type" => "text",
"capability" => "manage_options"
),
array(
"name" => "singledown_tianyi",
"title" => "天翼云盘",
"desc" => "",
"type" => "text",
"capability" => "manage_options"
),
array(
"name" => "singledown_tianyikey",
"title" => "提取码",
"desc" => "",
"type" => "text",
"capability" => "manage_options"
),
array(
"name" => "singledown_lanzouyun",
"title" => "蓝奏云",
"desc" => "",
"type" => "text",
"capability" => "manage_options"
),
array(
"name" => "singledown_lanzoukey",
"title" => "提取码",
"desc" => "",
"type" => "text",
"capability" => "manage_options"
),
array(
"name" => "singledown_chengtong",
"title" => "诚通网盘",
"desc" => "",
"type" => "text",
"capability" => "manage_options"
),
array(
"name" => "singledown_baidu",
"title" => "百度云盘",
"desc" => "",
"type" => "text",
"capability" => "manage_options"
),
array(
"name" => "singledown_baidukey",
"title" => "提取码",
"desc" => "",
"type" => "text",
"capability" => "manage_options"
),
array(
"name" => "singledown_demourl",
"title" => "在线演示",
"desc" => "",
"type" => "text",
"capability" => "manage_options"
)
);
return apply_filters( 'singledown_post_boxes', $meta_boxes );
}
function singledown_post_down_info() {
global $post;
$meta_boxes = singledown_down_post_boxes();
?>
<table class="form-table">
<?php foreach ( $meta_boxes as $meta ) :
$value = get_post_meta( $post->ID, $meta['name'], true );
if ( $meta['type'] == 'text' )
singledown_show_text_input( $meta, $value );
elseif ( $meta['type'] == 'textarea' )
singledown_show_textarea( $meta, $value );
elseif ( $meta['type'] == 'checkbox' )
singledown_show_checkbox( $meta, $value );
endforeach; ?>
</table>
<?php
}
function singledown_show_text_input( $args = array(), $value = false ) {
extract( $args ); ?>
<tr>
<th style="width:15%;">
<label for="<?php echo $name; ?>"><?php echo $title; ?></label>
</th>
<td>
<input type="text" name="<?php echo $name; ?>" id="<?php echo $name; ?>" value="<?php echo wp_specialchars( $value, 1 ); ?>" size="30" tabindex="30" style="width: 97%;" />
<input type="hidden" name="<?php echo $name; ?>_input_name" id="<?php echo $name; ?>_input_name" value="<?php echo wp_create_nonce( plugin_basename( __FILE__ ) ); ?>" />
</td>
</tr>
<?php
}
function singledown_show_textarea( $args = array(), $value = false ) {
extract( $args ); ?>
<tr>
<th style="width:10%;">
<label for="<?php echo $name; ?>"><?php echo $title; ?></label>
</th>
<td>
<textarea name="<?php echo $name; ?>" id="<?php echo $name; ?>" cols="60" rows="4" tabindex="30" style="width: 97%;"><?php echo wp_specialchars( $value, 1 ); ?></textarea>
<input type="hidden" name="<?php echo $name; ?>_input_name" id="<?php echo $name; ?>_input_name" value="<?php echo wp_create_nonce( plugin_basename( __FILE__ ) ); ?>" /> </td>
</tr>
<?php
}
function singledown_show_checkbox( $args = array(), $value = false ) {
extract( $args ); ?>
<tr>
<th style="width:10%;">
<label for="<?php echo $name; ?>"><?php echo $title; ?></label> </th>
<td>
<input type="checkbox" name="<?php echo $name; ?>" id="<?php echo $name; ?>" value="yes"
<?php if ( htmlentities( $value, 1 ) == 'yes' ) echo ' checked="checked"'; ?>
style="width: auto;" />
<input type="hidden" name="<?php echo $name; ?>_input_name" id="<?php echo $name; ?>_input_name" value="<?php echo wp_create_nonce( plugin_basename( __FILE__ ) ); ?>" />
</td>
</tr>
<?php }
function singledown_save_down_data( $post_id ) {
$meta_boxes = array_merge( singledown_down_post_boxes() );
foreach ( $meta_boxes as $meta_box ) :
if ( !wp_verify_nonce( $_POST[$meta_box['name'] . '_input_name'], plugin_basename( __FILE__ ) ) )
return $post_id;
if ( 'page' == $_POST['post_type'] && !current_user_can( 'edit_page', $post_id ) )
return $post_id;
elseif ( 'post' == $_POST['post_type'] && !current_user_can( 'edit_post', $post_id ) )
return $post_id;
$data = stripslashes( $_POST[$meta_box['name']] );
if ( get_post_meta( $post_id, $meta_box['name'] ) == '' )
add_post_meta( $post_id, $meta_box['name'], $data, true );
elseif ( $data != get_post_meta( $post_id, $meta_box['name'], true ) )
update_post_meta( $post_id, $meta_box['name'], $data );
elseif ( $data == '' )
delete_post_meta( $post_id, $meta_box['name'], get_post_meta( $post_id, $meta_box['name'], true ) );
endforeach;
}
?>