<?php

/**

 * WordPress Dashboard Widget Administration Panel API

 *

 * @package WordPress

 * @subpackage Administration

 */

/**

 * Registers dashboard widgets.

 *

 * handles POST data, sets up filters.

 *

 * @since unknown

 */

function wp_dashboard_setup() {

	global $wp_registered_widgets, $wp_registered_widget_controls, $wp_dashboard_control_callbacks;

	$wp_dashboard_control_callbacks = array();

	$update = false;

	$widget_options = get_option( 'dashboard_widget_options' );

	if ( !$widget_options || !is_array($widget_options) )

		$widget_options = array();

	/* Register Widgets and Controls */

	// Right Now

	wp_add_dashboard_widget( 'dashboard_right_now', __( 'Right Now' ), 'wp_dashboard_right_now' );

	// Recent Comments Widget

	$recent_comments_title = __( 'Recent Comments' );

	wp_add_dashboard_widget( 'dashboard_recent_comments', $recent_comments_title, 'wp_dashboard_recent_comments' );

	// Incoming Links Widget

	if ( !isset( $widget_options['dashboard_incoming_links'] ) || !isset( $widget_options['dashboard_incoming_links']['home'] ) || $widget_options['dashboard_incoming_links']['home'] != get_option('home') ) {

		$update = true;

		$widget_options['dashboard_incoming_links'] = array(

			'home' => get_option('home'),

			'link' => apply_filters( 'dashboard_incoming_links_link', 'http://blogsearch.google.com/blogsearch?hl=en&scoring=d&partner=wordpress&q=link:' . trailingslashit( get_option('home') ) ),

			'url' => isset($widget_options['dashboard_incoming_links']['url']) ? apply_filters( 'dashboard_incoming_links_feed', $widget_options['dashboard_incoming_links']['url'] ) : apply_filters( 'dashboard_incoming_links_feed', 'http://blogsearch.google.com/blogsearch_feeds?hl=en&scoring=d&ie=utf-8&num=20&output=rss&partner=wordpress&q=link:' . trailingslashit( get_option('home') ) ),

			'items' => isset($widget_options['dashboard_incoming_links']['items']) ? $widget_options['dashboard_incoming_links']['items'] : 10,

			'show_date' => isset($widget_options['dashboard_incoming_links']['show_date']) ? $widget_options['dashboard_incoming_links']['show_date'] : false

		);

	}

	wp_add_dashboard_widget( 'dashboard_incoming_links', __( 'Incoming Links' ), 'wp_dashboard_incoming_links', 'wp_dashboard_incoming_links_control' );

	// WP Plugins Widget

	if ( current_user_can( 'activate_plugins' ) )

		wp_add_dashboard_widget( 'dashboard_plugins', __( 'Plugins' ), 'wp_dashboard_plugins' );

	// QuickPress Widget

	if ( current_user_can('edit_posts') )

		wp_add_dashboard_widget( 'dashboard_quick_press', __( 'QuickPress' ), 'wp_dashboard_quick_press' );

	// Recent Drafts

	if ( current_user_can('edit_posts') )

		wp_add_dashboard_widget( 'dashboard_recent_drafts', __('Recent Drafts'), 'wp_dashboard_recent_drafts' );

	// Primary feed (Dev Blog) Widget

	if ( !isset( $widget_options['dashboard_primary'] ) ) {

		$update = true;

		$widget_options['dashboard_primary'] = array(

			'link' => apply_filters( 'dashboard_primary_link',  __( 'http://wordpress.org/development/' ) ),

			'url' => apply_filters( 'dashboard_primary_feed',  __( 'http://wordpress.org/development/feed/' ) ),

			'title' => apply_filters( 'dashboard_primary_title', __( 'WordPress Development Blog' ) ),

			'items' => 2,

			'show_summary' => 1,

			'show_author' => 0,

			'show_date' => 1

		);

	}

	wp_add_dashboard_widget( 'dashboard_primary', $widget_options['dashboard_primary']['title'], 'wp_dashboard_primary', 'wp_dashboard_primary_control' );

	// Secondary Feed (Planet) Widget

	if ( !isset( $widget_options['dashboard_secondary'] ) ) {

		$update = true;

		$widget_options['dashboard_secondary'] = array(

			'link' => apply_filters( 'dashboard_secondary_link',  __( 'http://planet.wordpress.org/' ) ),

			'url' => apply_filters( 'dashboard_secondary_feed',  __( 'http://planet.wordpress.org/feed/' ) ),

			'title' => apply_filters( 'dashboard_secondary_title', __( 'Other WordPress News' ) ),

			'items' => 5

		);

	}

	wp_add_dashboard_widget( 'dashboard_secondary', $widget_options['dashboard_secondary']['title'], 'wp_dashboard_secondary', 'wp_dashboard_secondary_control' );

	// Hook to register new widgets

	do_action( 'wp_dashboard_setup' );

	// Filter widget order

	$dashboard_widgets = apply_filters( 'wp_dashboard_widgets', array() );

	foreach ( $dashboard_widgets as $widget_id ) {

		$name = empty( $wp_registered_widgets[$widget_id]['all_link'] ) ? $wp_registered_widgets[$widget_id]['name'] : $wp_registered_widgets[$widget_id]['name'] . " <a href='{$wp_registered_widgets[$widget_id]['all_link']}' class='edit-box open-box'>" . __('View all') . '</a>';

		wp_add_dashboard_widget( $widget_id, $name, $wp_registered_widgets[$widget_id]['callback'], $wp_registered_widget_controls[$widget_id]['callback'] );

	}

	if ( 'POST' == $_SERVER['REQUEST_METHOD'] && isset($_POST['widget_id']) ) {

		ob_start(); // hack - but the same hack wp-admin/widgets.php uses

		wp_dashboard_trigger_widget_control( $_POST['widget_id'] );

		ob_end_clean();

		wp_redirect( remove_query_arg( 'edit' ) );

		exit;

	}

	if ( $update )

		update_option( 'dashboard_widget_options', $widget_options );

	do_action('do_meta_boxes', 'dashboard', 'normal', '');

	do_action('do_meta_boxes', 'dashboard', 'side', '');

}

function wp_add_dashboard_widget( $widget_id, $widget_name, $callback, $control_callback = null ) {

	global $wp_dashboard_control_callbacks;

	if ( $control_callback && current_user_can( 'edit_dashboard' ) && is_callable( $control_callback ) ) {

		$wp_dashboard_control_callbacks[$widget_id] = $control_callback;

		if ( isset( $_GET['edit'] ) && $widget_id == $_GET['edit'] ) {

			list($url) = explode( '#', add_query_arg( 'edit', false ), 2 );

			$widget_name .= ' <span class="postbox-title-action"><a href="' . esc_url( $url ) . '">' . __( 'Cancel' ) . '</a></span>';

			add_meta_box( $widget_id, $widget_name, '_wp_dashboard_control_callback', 'dashboard', 'normal', 'core' );

			return;

		}

		list($url) = explode( '#', add_query_arg( 'edit', $widget_id ), 2 );

		$widget_name .= ' <span class="postbox-title-action"><a href="' . esc_url( "$url#$widget_id" ) . '" class="edit-box open-box">' . __( 'Configure' ) . '</a></span>';

	}

	$side_widgets = array('dashboard_quick_press', 'dashboard_recent_drafts', 'dashboard_primary', 'dashboard_secondary');

	$location = 'normal';

	if ( in_array($widget_id, $side_widgets) )

		$location = 'side';

	add_meta_box( $widget_id, $widget_name , $callback, 'dashboard', $location, 'core' );

}

function _wp_dashboard_control_callback( $dashboard, $meta_box ) {

	echo '<form action="" method="post" class="dashboard-widget-control-form">';

	wp_dashboard_trigger_widget_control( $meta_box['id'] );

	echo "<p class='submit'><input type='hidden' name='widget_id' value='" . esc_attr($meta_box['id']) . "' /><input type='submit' value='" . esc_attr__( 'Submit' ) . "' /></p>";

	echo '</form>';

}

/**

 * Displays the dashboard.

 *

 * @since unknown

 */

function wp_dashboard() {

	global $screen_layout_columns;

	$hide2 = $hide3 = $hide4 = '';

	switch ( $screen_layout_columns ) {

		case 4:

			$width = 'width:24.5%;';

			break;

		case 3:

			$width = 'width:32.67%;';

			$hide4 = 'display:none;';

			break;

		case 2:

			$width = 'width:49%;';

			$hide3 = $hide4 = 'display:none;';

			break;

		default:

			$width = 'width:98%;';

			$hide2 = $hide3 = $hide4 = 'display:none;';

	}

?>

<div id='dashboard-widgets' class='metabox-holder'>

<?php

	echo "\t<div class='postbox-container' style='$width'>\n";

	do_meta_boxes( 'dashboard', 'normal', '' );

	echo "\t</div><div class='postbox-container' style='{$hide2}$width'>\n";

	do_meta_boxes( 'dashboard', 'side', '' );

	echo "\t</div><div class='postbox-container' style='{$hide3}$width'>\n";

	do_meta_boxes( 'dashboard', 'column3', '' );

	echo "\t</div><div class='postbox-container' style='{$hide4}$width'>\n";

	do_meta_boxes( 'dashboard', 'column4', '' );

?>

</div></div>

<form style='display: none' method='get' action=''>

	<p>

<?php

	wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false );

	wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false );

?>

	</p>

</form>

<?php

}

/* Dashboard Widgets */

function wp_dashboard_right_now() {

	global $wp_registered_sidebars;

	$num_posts = wp_count_posts( 'post' );

	$num_pages = wp_count_posts( 'page' );

	$num_cats  = wp_count_terms('category');

	$num_tags = wp_count_terms('post_tag');

	$num_comm = wp_count_comments( );

	echo "\n\t".'<p class="sub">' . __('At a Glance') . '</p>';

	echo "\n\t".'<div class="table">'."\n\t".'<table>';

	echo "\n\t".'<tr class="first">';

	// Posts

	$num = number_format_i18n( $num_posts->publish );

	$text = _n( 'Post', 'Posts', intval($num_posts->publish) );

	if ( current_user_can( 'edit_posts' ) ) {

		$num = "<a href='edit.php'>$num</a>";

		$text = "<a href='edit.php'>$text</a>";

	}

	echo '<td class="first b b-posts">' . $num . '</td>';

	echo '<td class="t posts">' . $text . '</td>';

	/* TODO: Show status breakdown on hover

	if ( $can_edit_pages && !empty($num_pages->publish) ) { // how many pages is not exposed in feeds.  Don't show if !current_user_can

		$post_type_texts[] = '<a href="edit-pages.php">'.sprintf( _n( '%s page', '%s pages', $num_pages->publish ), number_format_i18n( $num_pages->publish ) ).'</a>';

	}

	if ( $can_edit_posts && !empty($num_posts->draft) ) {

		$post_type_texts[] = '<a href="edit.php?post_status=draft">'.sprintf( _n( '%s draft', '%s drafts', $num_posts->draft ), number_format_i18n( $num_posts->draft ) ).'</a>';

	}

	if ( $can_edit_posts && !empty($num_posts->future) ) {

		$post_type_texts[] = '<a href="edit.php?post_status=future">'.sprintf( _n( '%s scheduled post', '%s scheduled posts', $num_posts->future ), number_format_i18n( $num_posts->future ) ).'</a>';

	}

	if ( current_user_can('publish_posts') && !empty($num_posts->pending) ) {

		$pending_text = sprintf( _n( 'There is <a href="%1$s">%2$s post</a> pending your review.', 'There are <a href="%1$s">%2$s posts</a> pending your review.', $num_posts->pending ), 'edit.php?post_status=pending', number_format_i18n( $num_posts->pending ) );

	} else {

		$pending_text = '';

	}

	*/

	// Total Comments

	$num = number_format_i18n($num_comm->total_comments);

	$text = _n( 'Comment', 'Comments', $num_comm->total_comments );

	if ( current_user_can( 'moderate_comments' ) ) {

		$num = "<a href='edit-comments.php'>$num</a>";

		$text = "<a href='edit-comments.php'>$text</a>";

	}

	echo '<td class="b b-comments">' . $num . '</td>';

	echo '<td class="last t comments">' . $text . '</td>';

	echo '</tr><tr>';

	// Pages

	$num = number_format_i18n( $num_pages->publish );

	$text = _n( 'Page', 'Pages', $num_pages->publish );

	if ( current_user_can( 'edit_pages' ) ) {

		$num = "<a href='edit-pages.php'>$num</a>";

		$text = "<a href='edit-pages.php'>$text</a>";

	}

	echo '<td class="first b b_pages">' . $num . '</td>';

	echo '<td class="t pages">' . $text . '</td>';

	// Approved Comments

	$num = number_format_i18n($num_comm->approved);

	$text = _nc( 'Approved|Right Now', 'Approved', $num_comm->approved );

	if ( current_user_can( 'moderate_comments' ) ) {

		$num = "<a href='edit-comments.php?comment_status=approved'>$num</a>";

		$text = "<a class='approved' href='edit-comments.php?comment_status=approved'>$text</a>";

	}

	echo '<td class="b b_approved">' . $num . '</td>';

	echo '<td class="last t">' . $text . '</td>';

	echo "</tr>\n\t<tr>";

	// Categories

	$num = number_format_i18n( $num_cats );

	$text = _n( 'Category', 'Categories', $num_cats );

	if ( current_user_can( 'manage_categories' ) ) {

		$num = "<a href='categories.php'>$num</a>";

		$text = "<a href='categories.php'>$text</a>";

	}

	echo '<td class="first b b-cats">' . $num . '</td>';

	echo '<td class="t cats">' . $text . '</td>';

	// Pending Comments

	$num = number_format_i18n($num_comm->moderated);

	$text = _n( 'Pending', 'Pending', $num_comm->moderated );

	if ( current_user_can( 'moderate_comments' ) ) {

		$num = "<a href='edit-comments.php?comment_status=moderated'><span class='pending-count'>$num</span></a>";

		$text = "<a class='waiting' href='edit-comments.php?comment_status=moderated'>$text</a>";

	}

	echo '<td class="b b-waiting">' . $num . '</td>';

	echo '<td class="last t">' . $text . '</td>';

	echo "</tr>\n\t<tr>";

	// Tags

	$num = number_format_i18n( $num_tags );

	$text = _n( 'Tag', 'Tags', $num_tags );

	if ( current_user_can( 'manage_categories' ) ) {

		$num = "<a href='edit-tags.php'>$num</a>";

		$text = "<a href='edit-tags.php'>$text</a>";

	}

	echo '<td class="first b b-tags">' . $num . '</td>';

	echo '<td class="t tags">' . $text . '</td>';

	// Spam Comments

	$num = number_format_i18n($num_comm->spam);

	$text = _n( 'Spam', 'Spam', $num_comm->spam );

	if ( current_user_can( 'moderate_comments' ) ) {

		$num = "<a href='edit-comments.php?comment_status=spam'><span class='spam-count'>$num</span></a>";

		$text = "<a class='spam' href='edit-comments.php?comment_status=spam'>$text</a>";

	}

	echo '<td class="b b-spam">' . $num . '</td>';

	echo '<td class="last t">' . $text . '</td>';

	echo "</tr>";

	do_action('right_now_table_end');

	echo "\n\t</table>\n\t</div>";

	echo "\n\t".'<div class="versions">';

	$ct = current_theme_info();

	echo "\n\t<p>";

	if ( !empty($wp_registered_sidebars) ) {

		$sidebars_widgets = wp_get_sidebars_widgets();

		$num_widgets = 0;

		foreach ( (array) $sidebars_widgets as $k => $v ) {

			if ( 'wp_inactive_widgets' == $k )

				continue;

			if ( is_array($v) )

				$num_widgets = $num_widgets + count($v);

		}

		$num = number_format_i18n( $num_widgets );

		if ( current_user_can( 'switch_themes' ) ) {

			echo '<a href="themes.php" class="button rbutton">' . __('Change Theme') . '</a>';

			printf(_n('Theme <span class="b"><a href="themes.php">%1$s</a></span> with <span class="b"><a href="widgets.php">%2$s Widget</a></span>', 'Theme <span class="b"><a href="themes.php">%1$s</a></span> with <span class="b"><a href="widgets.php">%2$s Widgets</a></span>', $num_widgets), $ct->title, $num);

		} else {

			printf(_n('Theme <span class="b">%1$s</span> with <span class="b">%2$s Widget</span>', 'Theme <span class="b">%1$s</span> with <span class="b">%2$s Widgets</span>', $num_widgets), $ct->title, $num);

		}

	} else {

		if ( current_user_can( 'switch_themes' ) ) {

			echo '<a href="themes.php" class="button rbutton">' . __('Change Theme') . '</a>';

			printf('Theme <span class="b"><a href="themes.php">%1$s</a></span>', $ct->title);

		} else {

			printf('Theme <span class="b">%1$s</span>', $ct->title);

		}

	}

	echo '</p>';

	update_right_now_message();

	echo "\n\t".'<br class="clear" /></div>';

	do_action( 'rightnow_end' );

	do_action( 'activity_box_end' );

}

function wp_dashboard_quick_press() {

	$drafts = false;

	if ( 'post' === strtolower( $_SERVER['REQUEST_METHOD'] ) && isset( $_POST['action'] ) && 0 === strpos( $_POST['action'], 'post-quickpress' ) && (int) $_POST['post_ID'] ) {

		$view = get_permalink( $_POST['post_ID'] );

		$edit = esc_url( get_edit_post_link( $_POST['post_ID'] ) );

		if ( 'post-quickpress-publish' == $_POST['action'] ) {

			if ( current_user_can('publish_posts') )

				printf( '<div class="message"><p>' . __( 'Post Published. <a href="%s">View post</a> | <a href="%s">Edit post</a>' ) . '</p></div>', esc_url( $view ), $edit );

			else

				printf( '<div class="message"><p>' . __( 'Post submitted. <a href="%s">Preview post</a> | <a href="%s">Edit post</a>' ) . '</p></div>', esc_url( add_query_arg( 'preview', 1, $view ) ), $edit );

		} else {

			printf( '<div class="message"><p>' . __( 'Draft Saved. <a href="%s">Preview post</a> | <a href="%s">Edit post</a>' ) . '</p></div>', esc_url( add_query_arg( 'preview', 1, $view ) ), $edit );

			$drafts_query = new WP_Query( array(

				'post_type' => 'post',

				'post_status' => 'draft',

				'author' => $GLOBALS['current_user']->ID,

				'posts_per_page' => 1,

				'orderby' => 'modified',

				'order' => 'DESC'

			) );

			if ( $drafts_query->posts )

				$drafts =& $drafts_query->posts;

		}

		printf('<p class="textright">' . __('You can also try %s, easy blogging from anywhere on the Web.') . '</p>', '<a href="tools.php">' . __('Press This') . '</a>' );

		$_REQUEST = array(); // hack for get_default_post_to_edit()

	}

	$post = get_default_post_to_edit();

?>

	<form name="post" action="<?php echo esc_url( admin_url( 'post.php' ) ); ?>" method="post" id="quick-press">

		<h4 id="quick-post-title"><label for="title"><?php _e('Title') ?></label></h4>

		<div class="input-text-wrap">

			<input type="text" name="post_title" id="title" tabindex="1" autocomplete="off" value="<?php echo esc_attr( $post->post_title ); ?>" />

		</div>