2012年12月12日星期三

WordPress admin_bar 显示和自定义菜单

你有想要跟本站一样，不使用插件来让管理栏一直显示吗？然后自定义自己的按钮，来美化主题呢？

首先我们需要认识一下管理工具栏（admin_bar.php），他主要有/wp-includes/admin-bar.php.

通过查看admin_bar.php和修改主题中的functions.php来达到对admin_bar.php自定义设定。

1. 永远显示admin_bar.php

找到你的主题文件夹下的functions.php文件，直接添加代码：

在修改任何代码前注意备份您的文件，并添加备注

//Always Show the WordPress Admin Bar

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function OXP_login_adminbar( $wp_admin_bar) {
 if ( !is_user_logged_in() )
 $wp_admin_bar->add_menu( array(
'title' => __( 'Log In' ),
'href' => wp_login_url() ) );
}
add_action( 'admin_bar_menu', 'OXP_login_adminbar' );
add_filter( 'show_admin_bar', '__return_true' , 1000 );

2. 添加自定义链接到admin_bar.php

2.1 添加"Visit Site/访问网站"到admin_bar.php

//Add "Visit Site" Link and link to homepage

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function OXP_admin_bar_edit() {
    global $wp_admin_bar;
    $wp_admin_bar->add_menu( array(
'id' => 'view-site', //the view-site ID that refers to what we are doing.
'title' => __( 'Visit Site' ), //the anchor text that links to homepage.
'href' => home_url() ) ); //the homepage URL to which the anchor text will connect.
}
add_action( 'wp_before_admin_bar_render', 'OXP_admin_bar_edit' );
 

2.2 添加更多网站和添加二级菜单到"Add New"菜单

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function OXP_admin_bar_edit() {
    global $wp_admin_bar;
    $wp_admin_bar->add_menu( array( 
'id' => 'my-blogs',
'title' => __( 'My Sites' ), 
'href' => admin_url( 'my-sites.php' ) ) );
}
add_action( 'wp_before_admin_bar_render', 'OXP_admin_bar_edit' );

 

//Add sub-menu item in "Add New" menu

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function OXP_admin_bar_edit() {
    global $wp_admin_bar;
    $wp_admin_bar->add_menu( array(
        'parent' => 'new-content', // new-content is the ID for "Add New" menu so we use it as parent ID.
        'id' => 'new_media', // You can add any value here as you are adding something very new here.
        'title' => __('Media'), // The anchor text.
        'href' => admin_url( 'media-new.php') // name of file to which you will link to.
}
add_action( 'wp_before_admin_bar_render', 'OXP_admin_bar_edit' );

 

3. 如何来移除admin_bar中的菜单呢？

3.1移除Name Menu和他的二级菜单

同样适用修改主题文件的functions.php文件来到达效果，修改前注意备份和添加批注

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function OXP_admin_bar_edit() {
    global $wp_admin_bar;
    $wp_admin_bar->remove_menu('my-account-with-avatar'); // This (when used individually with other "remove menu" lines removed) will hide the menu item with author name.
    $wp_admin_bar->remove_menu('edit-profile'); // This (when used individually with other "remove menu" lines removed) will remove the sub-part "Edit My Profile".
    $wp_admin_bar->remove_menu('logout'); // This (when used individually with other "remove menu" lines removed) will remove the sub-part "Logout".
}
add_action( 'wp_before_admin_bar_render', 'OXP_admin_bar_edit' );

 

3.2移除"Dashboard"链接

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function OXP_admin_bar_edit() {
    global $wp_admin_bar;
    $wp_admin_bar->remove_menu('dashboard');
}
add_action( 'wp_before_admin_bar_render', 'OXP_admin_bar_edit' );

 

3.3移除"Add New"菜单和他的二级菜单

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function OXP_admin_bar_edit() {
    global $wp_admin_bar;
    $wp_admin_bar->remove_menu('new-content'); // This removes the complete menu "Add New". You will not require the below "remove_menu" if you using this line.
    $wp_admin_bar->remove_menu('new-post'); // This (when used individually with other "remove menu" lines removed) will hide the menu item "Post".
    $wp_admin_bar->remove_menu('new-page'); // This (when used individually with other "remove menu" lines removed) will hide the menu item "Page".
    $wp_admin_bar->remove_menu('new-media'); // This (when used individually with other "remove menu" lines removed) will hide the menu item "Media".
    $wp_admin_bar->remove_menu('new-link'); // This (when used individually with other "remove menu" lines removed) will hide the menu item "Link".
    $wp_admin_bar->remove_menu('new-user'); // This (when used individually with other "remove menu" lines removed) will hide the menu item "User".
    $wp_admin_bar->remove_menu('new-theme'); // This (when used individually with other "remove menu" lines removed) will hide the menu item "Theme".
    $wp_admin_bar->remove_menu('new-plugin'); // This (when used individually with other "remove menu" lines removed) will hide the menu item "Plugin".
}
add_action( 'wp_before_admin_bar_render', 'OXP_admin_bar_edit' );

3.4移除"Comments"菜单

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function OXP_admin_bar_edit() {
    global $wp_admin_bar;
    $wp_admin_bar->remove_menu('comments');
}
add_action( 'wp_before_admin_bar_render', 'OXP_admin_bar_edit' );

3.5移除"Appearance"菜单和他的二级菜单

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function OXP_admin_bar_edit() {
    global $wp_admin_bar;
    $wp_admin_bar->remove_menu('appearance'); // This removes the complete menu "Appearance". You will not require the below "remove_menu" if you using this line.
    $wp_admin_bar->remove_menu('new-themes'); // This (when used individually with other "remove menu" lines removed) will hide the menu item "Themes".
    $wp_admin_bar->remove_menu('new-widgets'); // This (when used individually with other "remove menu" lines removed) will hide the menu item "Widgets".
    $wp_admin_bar->remove_menu('new-menus'); // This (when used individually with other "remove menu" lines removed) will hide the menu item "Menus".
}

3.6移除"Updates"菜单

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function OXP_admin_bar_edit() {
    global $wp_admin_bar;
    $wp_admin_bar->remove_menu('updates');
}

3.7移除"Shortlink"菜单

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function OXP_admin_bar_edit() {
    global $wp_admin_bar;
    $wp_admin_bar->remove_menu('get-shortlink');
}

3.8移除插件安装的菜单

这里我们首先要查看admin_bar.php有插件安装的菜单，记录菜单的ID来修改functions.php文件达到移除插件菜单的效果，这里以stats plugin为例：

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function stats_admin_bar_menu( &$wp_admin_bar ) {
    $blog_id = stats_get_option('blog_id');
    $url = add_query_arg( 'page', 'stats', admin_url() );
    $img_src = add_query_arg(array('noheader'=>'', 'proxy'=>'', 'chart'=>'admin-bar-hours', 'height'=>20, 'hours'=>48), $url);
    $title = __('Views over 48 hours. Click for more Site Stats.', 'stats');
    $menu = array( 'id' => 'stats', 'title' => "<img style='width:95px;height:20px' src='$img_src' alt='$title' title='$title' />", 'href' => $url );
    $wp_admin_bar->add_menu( $menu );
}

然后以下是我自定义菜单的代码供大家参考，大家有什么不懂的请直接留言：

// always show admin bar
 function pjw_login_adminbar( $wp_admin_bar) {
     if ( !is_user_logged_in() )
     $wp_admin_bar->add_menu( array( 'title' => __( 'Log In' ), 'href' => wp_login_url() ) );
 }
 add_action( 'admin_bar_menu', 'pjw_login_adminbar' );
 add_filter( 'show_admin_bar', '__return_true' , 1000 );
 function OXP_admin_bar_edit() {
     global $wp_admin_bar;
     $wp_admin_bar->remove_menu('site-name');
     $wp_admin_bar->remove_menu('wp-logo-external');
     $wp_admin_bar->remove_menu('wp-logo');
     $wp_admin_bar->add_menu( array(
 'id' => 'home', //the view-site ID that refers to what we are doing.
 'title' => __( 'HOME' ), //the anchor text that links to homepage.
 'href' => home_url() ) ); //the homepage URL to which the anchor text will connect.
     $wp_admin_bar->add_menu( array(
 'id' => 'labmates',
 'title' => __( 'Labmates' ),
 'href' => __('http://labmates.cn/labmates/'),
 ) ); 
     $wp_admin_bar->add_menu( array(
         'parent'    => 'labmates',
         'id'        => 'install',
         'title'     => __('install'),
         'href'      => __('http://labmates.cn/install/'),
 ) );
     $wp_admin_bar->add_menu( array(
         'parent'    => 'labmates',
         'id'        => 'config',
         'title'     => __('Config'),
         'href'      => __('http://labmates.cn/config/'),
 ) );
     $wp_admin_bar->add_menu( array(
         'parent'    => 'labmates',
         'id'        => 'project',
         'title'     => __('Project'),
         'href'      => __('http://labmates.cn/project/'),
 ) );
     $wp_admin_bar->add_menu( array(
         'parent'    => 'labmates',
         'id'        => 'primer',
         'title'     => __('Primer'),
         'href'      => __('http://labmates.cn/primer1/'),
 ) );
 $wp_admin_bar->add_menu( array(
 'id' => 'guide',
 'title' => __( 'Guide' ),
 'href' => __('http://labmates.cn/primer/'),
 'meta' => array('target' => '_blank'),
 ) );
 $wp_admin_bar->add_menu( array(
 'id' => 'forum',
 'title' => __( 'Forum' ),
 'href' => __('http://labmates.cn/BBS/'),
 'meta' => array('target' => '_blank'),
 ) );
 $wp_admin_bar->add_menu( array(
 'id' => 'me',
 'title' => __( 'About Me' ),
 'href' => __('http://labmates.cn/about-me/'),
 ) );
 }
 add_action( 'wp_before_admin_bar_render', 'OXP_admin_bar_edit' );
希望这个博文对大家有帮助。
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