<?php

/**

 * Template WordPress Administration API.

 *

 * A Big Mess. Also some neat functions that are nicely written.

 *

 * @package WordPress

 * @subpackage Administration

 */

// Ugly recursive category stuff.

/**

 * {@internal Missing Short Description}}

 *

 * @since unknown

 *

 * @param unknown_type $parent

 * @param unknown_type $level

 * @param unknown_type $categories

 * @param unknown_type $page

 * @param unknown_type $per_page

 */

function cat_rows( $parent = 0, $level = 0, $categories = 0, $page = 1, $per_page = 20 ) {

	$count = 0;

	if ( empty($categories) ) {

		$args = array('hide_empty' => 0);

		if ( !empty($_GET['s']) )

			$args['search'] = $_GET['s'];

		$categories = get_categories( $args );

		if ( empty($categories) )

			return false;

	}

	$children = _get_term_hierarchy('category');

	_cat_rows( $parent, $level, $categories, $children, $page, $per_page, $count );

}

/**

 * {@internal Missing Short Description}}

 *

 * @since unknown

 *

 * @param unknown_type $categories

 * @param unknown_type $count

 * @param unknown_type $parent

 * @param unknown_type $level

 * @param unknown_type $page

 * @param unknown_type $per_page

 * @return unknown

 */

function _cat_rows( $parent = 0, $level = 0, $categories, &$children, $page = 1, $per_page = 20, &$count ) {

	$start = ($page - 1) * $per_page;

	$end = $start + $per_page;

	ob_start();

	foreach ( $categories as $key => $category ) {

		if ( $count >= $end )

			break;

		if ( $category->parent != $parent && empty($_GET['s']) )

			continue;

		// If the page starts in a subtree, print the parents.

		if ( $count == $start && $category->parent > 0 ) {

			$my_parents = array();

			$p = $category->parent;

			while ( $p ) {

				$my_parent = get_category( $p );

				$my_parents[] = $my_parent;

				if ( $my_parent->parent == 0 )

					break;

				$p = $my_parent->parent;

			}

			$num_parents = count($my_parents);

			while( $my_parent = array_pop($my_parents) ) {

				echo "\t" . _cat_row( $my_parent, $level - $num_parents );

				$num_parents--;

			}

		}

		if ( $count >= $start )

			echo "\t" . _cat_row( $category, $level );

		unset( $categories[ $key ] );

		$count++;

		if ( isset($children[$category->term_id]) )

			_cat_rows( $category->term_id, $level + 1, $categories, $children, $page, $per_page, $count );

	}

	$output = ob_get_contents();

	ob_end_clean();

	echo $output;

}

/**

 * {@internal Missing Short Description}}

 *

 * @since unknown

 *

 * @param unknown_type $category

 * @param unknown_type $level

 * @param unknown_type $name_override

 * @return unknown

 */

function _cat_row( $category, $level, $name_override = false ) {

	static $row_class = '';

	$category = get_category( $category, OBJECT, 'display' );

	$default_cat_id = (int) get_option( 'default_category' );

	$pad = str_repeat( '— ', max(0, $level) );

	$name = ( $name_override ? $name_override : $pad . ' ' . $category->name );

	$edit_link = "categories.php?action=edit&cat_ID=$category->term_id";

	if ( current_user_can( 'manage_categories' ) ) {

		$edit = "<a class='row-title' href='$edit_link' title='" . esc_attr(sprintf(__('Edit &#8220;%s&#8221;'), $category->name)) . "'>" . esc_attr( $name ) . '</a><br />';

		$actions = array();

		$actions['edit'] = '<a href="' . $edit_link . '">' . __('Edit') . '</a>';

		$actions['inline hide-if-no-js'] = '<a href="#" class="editinline">' . __('Quick&nbsp;Edit') . '</a>';

		if ( $default_cat_id != $category->term_id )

			$actions['delete'] = "<a class='delete:the-list:cat-$category->term_id submitdelete' href='" . wp_nonce_url("categories.php?action=delete&amp;cat_ID=$category->term_id", 'delete-category_' . $category->term_id) . "'>" . __('Delete') . "</a>";

		$actions = apply_filters('cat_row_actions', $actions, $category);

		$action_count = count($actions);

		$i = 0;

		$edit .= '<div class="row-actions">';

		foreach ( $actions as $action => $link ) {

			++$i;

			( $i == $action_count ) ? $sep = '' : $sep = ' | ';

			$edit .= "<span class='$action'>$link$sep</span>";

		}

		$edit .= '</div>';

	} else {

		$edit = $name;

	}

	$row_class = 'alternate' == $row_class ? '' : 'alternate';

	$qe_data = get_category_to_edit($category->term_id);

	$category->count = number_format_i18n( $category->count );

	$posts_count = ( $category->count > 0 ) ? "<a href='edit.php?cat=$category->term_id'>$category->count</a>" : $category->count;

	$output = "<tr id='cat-$category->term_id' class='iedit $row_class'>";

	$columns = get_column_headers('categories');

	$hidden = get_hidden_columns('categories');

	foreach ( $columns as $column_name => $column_display_name ) {

		$class = "class=\"$column_name column-$column_name\"";

		$style = '';

		if ( in_array($column_name, $hidden) )

			$style = ' style="display:none;"';

		$attributes = "$class$style";

		switch ($column_name) {

			case 'cb':

				$output .= "<th scope='row' class='check-column'>";

				if ( $default_cat_id != $category->term_id ) {

					$output .= "<input type='checkbox' name='delete[]' value='$category->term_id' />";

				} else {

					$output .= " ";

				}

				$output .= '</th>';

				break;

			case 'name':

				$output .= "<td $attributes>$edit";

				$output .= '<div class="hidden" id="inline_' . $qe_data->term_id . '">';

				$output .= '<div class="name">' . $qe_data->name . '</div>';

				$output .= '<div class="slug">' . $qe_data->slug . '</div>';

				$output .= '<div class="cat_parent">' . $qe_data->parent . '</div></div></td>';

				break;

			case 'description':

				$output .= "<td $attributes>$category->description</td>";

				break;

			case 'slug':

				$output .= "<td $attributes>$category->slug</td>";

				break;

			case 'posts':

				$attributes = 'class="posts column-posts num"' . $style;

				$output .= "<td $attributes>$posts_count</td>\n";

				break;

			default:

				$output .= "<td $attributes>";

				$output .= apply_filters('manage_categories_custom_column', '', $column_name, $category->term_id);

				$output .= "</td>";

		}

	}

	$output .= '</tr>';

	return $output;

}

/**

 * {@internal Missing Short Description}}

 *

 * @since 2.7

 *

 * Outputs the HTML for the hidden table rows used in Categories, Link Caregories and Tags quick edit.

 *

 * @param string $type "tag", "category" or "link-category"

 * @return

 */

function inline_edit_term_row($type) {

	if ( ! current_user_can( 'manage_categories' ) )

		return;

	$is_tag = $type == 'edit-tags';

	$columns = get_column_headers($type);

	$hidden = array_intersect( array_keys( $columns ), array_filter( get_hidden_columns($type) ) );

	$col_count = count($columns) - count($hidden);

	?>

<form method="get" action=""><table style="display: none"><tbody id="inlineedit">

	<tr id="inline-edit" class="inline-edit-row" style="display: none"><td colspan="<?php echo $col_count; ?>">

		<fieldset><div class="inline-edit-col">

			<h4><?php _e( 'Quick Edit' ); ?></h4>

			<label>

				<span class="title"><?php _e( 'Name' ); ?></span>

				<span class="input-text-wrap"><input type="text" name="name" class="ptitle" value="" /></span>

			</label>

			<label>

				<span class="title"><?php _e( 'Slug' ); ?></span>

				<span class="input-text-wrap"><input type="text" name="slug" class="ptitle" value="" /></span>

			</label>

<?php if ( 'category' == $type ) : ?>

			<label>

				<span class="title"><?php _e( 'Parent' ); ?></span>

				<?php wp_dropdown_categories(array('hide_empty' => 0, 'name' => 'parent', 'orderby' => 'name', 'hierarchical' => 1, 'show_option_none' => __('None'))); ?>

			</label>

<?php endif; // $type ?>

		</div></fieldset>

<?php

	$core_columns = array( 'cb' => true, 'description' => true, 'name' => true, 'slug' => true, 'posts' => true );

	foreach ( $columns as $column_name => $column_display_name ) {

		if ( isset( $core_columns[$column_name] ) )

			continue;

		do_action( 'quick_edit_custom_box', $column_name, $type );

	}

?>

	<p class="inline-edit-save submit">

		<a accesskey="c" href="#inline-edit" title="<?php _e('Cancel'); ?>" class="cancel button-secondary alignleft"><?php _e('Cancel'); ?></a>

		<?php $update_text = ( $is_tag ) ? __( 'Update Tag' ) : __( 'Update Category' ); ?>

		<a accesskey="s" href="#inline-edit" title="<?php echo esc_attr( $update_text ); ?>" class="save button-primary alignright"><?php echo $update_text; ?></a>

		<img class="waiting" style="display:none;" src="images/wpspin_light.gif" alt="" />

		<span class="error" style="display:none;"></span>

		<?php wp_nonce_field( 'taxinlineeditnonce', '_inline_edit', false ); ?>

		<br class="clear" />

	</p>

	</td></tr>

	</tbody></table></form>

<?php

}

/**

 * {@internal Missing Short Description}}

 *

 * @since unknown

 *

 * @param unknown_type $category

 * @param unknown_type $name_override

 * @return unknown

 */

function link_cat_row( $category, $name_override = false ) {

	static $row_class = '';

	if ( !$category = get_term( $category, 'link_category', OBJECT, 'display' ) )

		return false;

	if ( is_wp_error( $category ) )

		return $category;

	$default_cat_id = (int) get_option( 'default_link_category' );

	$name = ( $name_override ? $name_override : $category->name );

	$edit_link = "link-category.php?action=edit&cat_ID=$category->term_id";

	if ( current_user_can( 'manage_categories' ) ) {

		$edit = "<a class='row-title' href='$edit_link' title='" . esc_attr(sprintf(__('Edit &#8220;%s&#8221;'), $category->name)) . "'>$name</a><br />";

		$actions = array();

		$actions['edit'] = '<a href="' . $edit_link . '">' . __('Edit') . '</a>';

		$actions['inline hide-if-no-js'] = '<a href="#" class="editinline">' . __('Quick&nbsp;Edit') . '</a>';

		if ( $default_cat_id != $category->term_id )

			$actions['delete'] = "<a class='delete:the-list:link-cat-$category->term_id submitdelete' href='" . wp_nonce_url("link-category.php?action=delete&amp;cat_ID=$category->term_id", 'delete-link-category_' . $category->term_id) . "'>" . __('Delete') . "</a>";

		$actions = apply_filters('link_cat_row_actions', $actions, $category);

		$action_count = count($actions);

		$i = 0;

		$edit .= '<div class="row-actions">';

		foreach ( $actions as $action => $link ) {

			++$i;

			( $i == $action_count ) ? $sep = '' : $sep = ' | ';

			$edit .= "<span class='$action'>$link$sep</span>";

		}

		$edit .= '</div>';

	} else {

		$edit = $name;

	}

	$row_class = 'alternate' == $row_class ? '' : 'alternate';

	$qe_data = get_term_to_edit($category->term_id, 'link_category');

	$category->count = number_format_i18n( $category->count );

	$count = ( $category->count > 0 ) ? "<a href='link-manager.php?cat_id=$category->term_id'>$category->count</a>" : $category->count;

	$output = "<tr id='link-cat-$category->term_id' class='iedit $row_class'>";

	$columns = get_column_headers('edit-link-categories');

	$hidden = get_hidden_columns('edit-link-categories');

	foreach ( $columns as $column_name => $column_display_name ) {

		$class = "class=\"$column_name column-$column_name\"";

		$style = '';

		if ( in_array($column_name, $hidden) )

			$style = ' style="display:none;"';

		$attributes = "$class$style";

		switch ($column_name) {

			case 'cb':

				$output .= "<th scope='row' class='check-column'>";

				if ( absint( get_option( 'default_link_category' ) ) != $category->term_id ) {

					$output .= "<input type='checkbox' name='delete[]' value='$category->term_id' />";

				} else {

					$output .= " ";

				}

				$output .= "</th>";

				break;

			case 'name':

				$output .= "<td $attributes>$edit";

				$output .= '<div class="hidden" id="inline_' . $qe_data->term_id . '">';

				$output .= '<div class="name">' . $qe_data->name . '</div>';

				$output .= '<div class="slug">' . $qe_data->slug . '</div>';

				$output .= '<div class="cat_parent">' . $qe_data->parent . '</div></div></td>';

				break;

			case 'description':

				$output .= "<td $attributes>$category->description</td>";

				break;

			case 'slug':

				$output .= "<td $attributes>$category->slug</td>";

				break;

			case 'links':

				$attributes = 'class="links column-links num"' . $style;

				$output .= "<td $attributes>$count</td>";

				break;

			default:

				$output .= "<td $attributes>";

				$output .= apply_filters('manage_link_categories_custom_column', '', $column_name, $category->term_id);

				$output .= "</td>";

		}

	}

	$output .= '</tr>';

	return $output;

}

/**

 * Outputs the html checked attribute.

 *

 * Compares the first two arguments and if identical marks as checked

 *

 * @since 2.8

 *

 * @param any $checked One of the values to compare

 * @param any $current (true) The other value to compare if not just true

 * @param bool $echo Whether or not to echo or just return the string

 */

function checked( $checked, $current = true, $echo = true) {

	return __checked_selected_helper( $checked, $current, $echo, 'checked' );

}

/**

 * Outputs the html selected attribute.

 *

 * Compares the first two arguments and if identical marks as selected

 *

 * @since 2.8

 *

 * @param any selected One of the values to compare

 * @param any $current (true) The other value to compare if not just true

 * @param bool $echo Whether or not to echo or just return the string

 */

function selected( $selected, $current = true, $echo = true) {

	return __checked_selected_helper( $selected, $current, $echo, 'selected' );

}

/**

 * Private helper function for checked and selected.

 *

 * Compares the first two arguments and if identical marks as $type

 *

 * @since 2.8

 * @access private

 *

 * @param any $helper One of the values to compare

 * @param any $current (true) The other value to compare if not just true

 * @param bool $echo Whether or not to echo or just return the string

 * @param string $type The type of checked|selected we are doing.

 */

function __checked_selected_helper( $helper, $current, $echo, $type) {

	if ( $helper == $current)

		$result = " $type='$type'";

	else

		$result = '';

	if ($echo)

		echo $result;

	return $result;

}

//

// Category Checklists

//

/**

 * {@internal Missing Short Description}}

 *

 * @since unknown

 * @deprecated Use {@link wp_link_category_checklist()}

 * @see wp_link_category_checklist()

 *

 * @param unknown_type $default

 * @param unknown_type $parent

 * @param unknown_type $popular_ids

 */

function dropdown_categories( $default = 0, $parent = 0, $popular_ids = array() ) {

	global $post_ID;

	wp_category_checklist($post_ID);

}

/**

 * {@internal Missing Short Description}}

 *

 * @since unknown

 */

class Walker_Category_Checklist extends Walker {

	var $tree_type = 'category';

	var $db_fields = array ('parent' => 'parent', 'id' => 'term_id'); //TODO: decouple this

	function start_lvl(&$output, $depth, $args) {

		$indent = str_repeat("\t", $depth);

		$output .= "$indent<ul class='children'>\n";

	}

	function end_lvl(&$output, $depth, $args) {

		$indent = str_repeat("\t", $depth);

		$output .= "$indent</ul>\n";

	}

	function start_el(&$output, $category, $depth, $args) {

		extract($args);

		$class = in_array( $category->term_id, $popular_cats ) ? ' class="popular-category"' : '';

		$output .= "\n<li id='category-$category->term_id'$class>" . '<label class="selectit"><input value="' . $category->term_id . '" type="checkbox" name="post_category[]" id="in-category-' . $category->term_id . '"' . (in_array( $category->term_id, $selected_cats ) ? ' checked="checked"' : "" ) . '/> ' . esc_html( apply_filters('the_category', $category->name )) . '</label>';

	}

	function end_el(&$output, $category, $depth, $args) {

		$output .= "</li>\n";

	}

}

/**

 * {@internal Missing Short Description}}

 *

 * @since unknown

 *

 * @param unknown_type $post_id

 * @param unknown_type $descendants_and_self

 * @param unknown_type $selected_cats

 * @param unknown_type $popular_cats

 */

function wp_category_checklist( $post_id = 0, $descendants_and_self = 0, $selected_cats = false, $popular_cats = false, $walker = null ) {

	if ( empty($walker) || !is_a($walker, 'Walker') )

		$walker = new Walker_Category_Checklist;

	$descendants_and_self = (int) $descendants_and_self;

	$args = array();

	if ( is_array( $selected_cats ) )

		$args['selected_cats'] = $selected_cats;

	elseif ( $post_id )

		$args['selected_cats'] = wp_get_post_categories($post_id);

	else

		$args['selected_cats'] = array();

	if ( is_array( $popular_cats ) )

		$args['popular_cats'] = $popular_cats;

	else

		$args['popular_cats'] = get_terms( 'category', array( 'fields' => 'ids', 'orderby' => 'count', 'order' => 'DESC', 'number' => 10, 'hierarchical' => false ) );

	if ( $descendants_and_self ) {

		$categories = get_categories( "child_of=$descendants_and_self&hierarchical=0&hide_empty=0" );

		$self = get_category( $descendants_and_self );

		array_unshift( $categories, $self );

	} else {

		$categories = get_categories('get=all');

	}

	// Post process $categories rather than adding an exclude to the get_terms() query to keep the query the same across all posts (for any query cache)

	$checked_categories = array();

	$keys = array_keys( $categories );

	foreach( $keys as $k ) {

		if ( in_array( $categories[$k]->term_id, $args['selected_cats'] ) ) {

			$checked_categories[] = $categories[$k];

			unset( $categories[$k] );

		}

	}

	// Put checked cats on top