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meta-boxes.php
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<?php
if ( ! defined( 'ABSPATH' ) ) { exit; }
// 网址
$new_meta_sites_boxes =
array(
"visible" => array(
"name" => "_visible",
"title" => "仅管理员可见",
"type"=>"checkbox"),
"sites_link" => array(
"name" => "_sites_link",
"std" => "",
"title" => "输入网址链接，需包含 http(s)://<br><span style='font-weight: normal;color: crimson;margin-top: 10px;display: block;'>注意：“网址”和“公众号二维码”两者可同时填写，但是至少填一项。</span>",
"type"=>"text"),
"sites_sescribe" => array(
"name" => "_sites_sescribe",
"std" => "",
"title" => "描叙",
"type"=>"text"),
"order" => array(
"name" => "_sites_order",
"std" => "0",
"title" => "网址排序数值越大越靠前",
"type"=>"text"),
"thumbnail" => array(
"name" => "_thumbnail",
"std" => "",
"title" => "添加图标地址，调用自定义图标",
"size" => "",
'button_text' => '添加图标',
"type"=>"upload"),
"wechat_qr" => array(
"name" => "_wechat_qr",
"std" => "",
"title" => "添加公众号二维码",
"size" => "",
'button_text' => '添加二维码',
"type"=>"upload"),
);
// 面板内容
function new_meta_sites_boxes() {
global $post, $new_meta_sites_boxes;
//获取保存
foreach ($new_meta_sites_boxes as $meta_box) {
$meta_box_value = get_post_meta($post->ID, $meta_box['name'] , true);
if ($meta_box_value != "")
//将默认值替换为已保存的值
$meta_box['std'] = $meta_box_value;
echo '<input type="hidden" name="' . $meta_box['name'] . '_noncename" id="' . $meta_box['name'] . '_noncename" value="' . wp_create_nonce(plugin_basename(__FILE__)) . '" />';
//选择类型输出不同的html代码
switch ($meta_box['type']) {
case 'title':
echo '<h4>' . $meta_box['title'] . '</h4>';
break;
case 'text':
echo '<h4 style="margin-bottom: 0;">' . $meta_box['title'] . '</h4>';
echo '<span class="form-field"><input type="text" size="40" name="' . $meta_box['name'] . '" value="' . $meta_box['std'] . '" /></span><br />';
break;
case 'textarea':
echo '<h4 style="margin-bottom: 0;">' . $meta_box['title'] . '</h4>';
echo '<textarea id="seo-excerpt" cols="40" rows="2" name="' . $meta_box['name'] . '">' . $meta_box['std'] . '</textarea><br />';
break;
case 'radio':
echo '<h4 style="margin-bottom: 0;">' . $meta_box['title'] . '</h4>';
$counter = 1;
foreach ($meta_box['buttons'] as $radiobutton) {
$checked = "";
if (isset($meta_box['std']) && $meta_box['std'] == $counter) {
$checked = 'checked = "checked"';
}
echo '<input ' . $checked . ' type="radio" class="kcheck" value="' . $counter . '" name="' . $meta_box['name'] . '_value"/>' . $radiobutton;
$counter++;
}
break;
case 'checkbox':
if (isset($meta_box['std']) && $meta_box['std'] == 'true') $checked = 'checked = "checked"';
else $checked = '';
echo '<br /><label><input type="checkbox" name="' . $meta_box['name'] . '" value="true" ' . $checked . ' />';
echo '' . $meta_box['title'] . '</label><br /><br />';
break;
case 'upload':
$button_text = (isset($meta_box['button_text'])) ? $meta_box['button_text'] : 'Upload';
echo '<h4 style="margin-bottom: 0;">' . $meta_box['title'] . '</h4>';
echo '<input class="damiwp_url_input" style="width: 95%;margin-bottom: 10px;" type="text" id="'.$meta_box['name'].'_input" size="'.$meta_box['size'].'" value="'.$meta_box['std'].'" name="'.$meta_box['name'].'"/><br><a href="#" id="'.$meta_box['name'].'" class="dami_upload_button button">'.$button_text.'</a>';
break;
}
}
}
function create_meta_sites_box() {
global $theme_name;
if (function_exists('add_meta_box')) {
add_meta_box('new-meta-boxes', '网址链接属性', 'new_meta_sites_boxes', 'sites', 'normal', 'high');
}
}
function save_sites_postdata($post_id) {
global $post, $new_meta_sites_boxes;
foreach ($new_meta_sites_boxes as $meta_box) {
if (!wp_verify_nonce((@$_POST[$meta_box['name'] . '_noncename']), plugin_basename(__FILE__))) {
return $post_id;
}
if ('page' == $_POST['post_type']) {
if (!current_user_can('edit_page', $post_id)) return $post_id;
} else {
if (!current_user_can('edit_post', $post_id)) return $post_id;
}
$data = $_POST[$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));
}
}
add_action('admin_menu', 'create_meta_sites_box');
add_action('save_post', 'save_sites_postdata');
add_action( 'admin_footer', 'add_script_and_styles' );
function add_script_and_styles() {
// 增加位置判断
$current_screen = get_current_screen();
if (!is_object($current_screen) || ($current_screen->id != 'sites') || ($current_screen->post_type != 'sites')) return;
echo "<script>
jQuery(document).ready(function(){
var dami_upload_frame;
var value_id;
jQuery('.dami_upload_button').live('click',function(event){
value_id =jQuery( this ).attr('id');
event.preventDefault();
if( dami_upload_frame ){
dami_upload_frame.open();
return;
}
dami_upload_frame = wp.media({
title: '上传图片',
button: {
text: '确定',
},
multiple: false
});
dami_upload_frame.on('select',function(){
attachment = dami_upload_frame.state().get('selection').first().toJSON();
//jQuery('#'+value_id+'_input').val(attachment.url).trigger('change');
jQuery('input[name='+value_id+']').val(attachment.url).trigger('change');});dami_upload_frame.open();});});
</script>";
}