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Show when a term is both a category and a tag, also when a child category is converted to a tag and then converted back, restore the child status, if the parent still exists. Props azaozz. fixes #6909

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git-svn-id: http://svn.automattic.com/wordpress/trunk@7897 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
ryan 2008-05-05 17:15:35 +00:00
parent 0b05038ebb
commit 04b03a7906
1 changed files with 240 additions and 51 deletions
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281
wp-admin/import/wp-cat2tag.php
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@ -3,50 +3,75 @@
class WP_Categories_to_Tags { class WP_Categories_to_Tags {
var $categories_to_convert = array(); var $categories_to_convert = array();
var $all_categories = array(); var $all_categories = array();
var $tags_to_convert = array();
var $all_tags = array();
var $hybrids_ids = array();
function header() { function header() {
echo '<div class="wrap">'; echo '<div class="wrap">';
echo '<h2>' . __('Convert Categories to Tags') . '</h2>'; if ( ! current_user_can('manage_categories') ) {
echo '<div class="narrow">';
echo '<p>' . __('Cheatin&#8217; uh?') . '</p>';
echo '</div>';
} else { ?>
<div class="tablenav"><p style="margin:4px"><a style="display:inline;" class="button-secondary" href="admin.php?import=wp-cat2tag">Categories to Tags</a>
<a style="display:inline;" class="button-secondary" href="admin.php?import=wp-cat2tag&amp;step=3">Tags to Categories</a></p></div>
<?php }
} }
function footer() { function footer() {
echo '</div>'; echo '</div>';
} }
function populate_all_categories() { function populate_cats() {
global $wpdb; global $wpdb;
$categories = get_categories('get=all'); $categories = get_categories('get=all');
foreach ( $categories as $category ) { foreach ( $categories as $category ) {
if ( !tag_exists($wpdb->escape($category->name)) )
$this->all_categories[] = $category; $this->all_categories[] = $category;
if ( tag_exists( $wpdb->escape($category->name) ) )
$this->hybrids_ids[] = $category->term_id;
} }
} }
function welcome() { function populate_tags() {
$this->populate_all_categories(); global $wpdb;
$tags = get_terms( array('post_tag'), 'get=all' );
foreach ( $tags as $tag ) {
$this->all_tags[] = $tag;
if ( $this->_category_exists($tag->term_id) )
$this->hybrids_ids[] = $tag->term_id;
}
}
function categories_tab() {
$this->populate_cats();
$cat_num = count($this->all_categories);
echo '<br class="clear" />';
if ( $cat_num > 0 ) {
echo '<h2>Convert Categories (' . $cat_num . ') to Tags.</h2>';
echo '<div class="narrow">'; echo '<div class="narrow">';
if (count($this->all_categories) > 0) {
echo '<p>' . __('Hey there. Here you can selectively converts existing categories to tags. To get started, check the categories you wish to be converted, then click the Convert button.') . '</p>'; echo '<p>' . __('Hey there. Here you can selectively converts existing categories to tags. To get started, check the categories you wish to be converted, then click the Convert button.') . '</p>';
echo '<p>' . __('Keep in mind that if you convert a category with child categories, the children become top-level orphans.') . '</p>'; echo '<p>' . __('Keep in mind that if you convert a category with child categories, the children become top-level orphans.') . '</p></div>';
$this->categories_form(); $this->categories_form();
} elseif ( $hyb_num > 0 ) {
echo '<p>' . __('You have no categories that can be converted. However some of your categories are both a tag and a category.') . '</p>';
} else { } else {
echo '<p>'.__('You have no categories to convert!').'</p>'; echo '<p>'.__('You have no categories to convert!').'</p>';
} }
echo '</div>';
} }
function categories_form() { function categories_form() { ?>
?>
<script type="text/javascript"> <script type="text/javascript">
<!-- /* <![CDATA[ */
var checkflag = "false"; var checkflag = "false";
function check_all_rows() { function check_all_rows() {
field = document.formlist; field = document.catlist;
if ( 'false' == checkflag ) { if ( 'false' == checkflag ) {
for ( i = 0; i < field.length; i++ ) { for ( i = 0; i < field.length; i++ ) {
if ( 'cats_to_convert[]' == field[i].name ) if ( 'cats_to_convert[]' == field[i].name )
@ -63,54 +88,153 @@ function check_all_rows() {
return '<?php _e('Check All') ?>'; return '<?php _e('Check All') ?>';
} }
} }
/* ]]> */
// -->
</script> </script>
<?php
echo '<form name="formlist" id="formlist" action="admin.php?import=wp-cat2tag&amp;step=2" method="post">
<p><input type="button" class="button-secondary" value="' . __('Check All') . '"' . ' onClick="this.value=check_all_rows()"></p>';
wp_nonce_field('import-cat2tag');
echo '<ul style="list-style:none">';
<form name="catlist" id="catlist" action="admin.php?import=wp-cat2tag&amp;step=2" method="post">
<p><input type="button" class="button-secondary" value="<?php _e('Check All'); ?>" onclick="this.value=check_all_rows()">
<?php wp_nonce_field('import-cat2tag'); ?></p>
<ul style="list-style:none">
<?php
$hier = _get_term_hierarchy('category'); $hier = _get_term_hierarchy('category');
foreach ($this->all_categories as $category) { foreach ($this->all_categories as $category) {
$category = sanitize_term( $category, 'category', 'display' ); $category = sanitize_term( $category, 'category', 'display' );
if ( (int) $category->parent == 0 ) { if ( (int) $category->parent == 0 ) {
echo '<li><label><input type="checkbox" name="cats_to_convert[]" value="' . intval($category->term_id) . '" /> ' . $category->name . ' (' . $category->count . ')</label>'; if ( in_array( intval($category->term_id), $this->hybrids_ids ) ) {
?>
<li style="color:#777;padding-left:1.3em;"><?php echo $category->name . ' (' . $category->count . ') *'; ?></li>
<?php
} else {
?>
<li><label><input type="checkbox" name="cats_to_convert[]" value="<?php echo intval($category->term_id); ?>" /> <?php echo $category->name . ' (' . $category->count . ')'; ?></label><?php
if (isset($hier[$category->term_id])) { if ( isset($hier[$category->term_id]) )
$this->_category_children($category, $hier); $this->_category_children($category, $hier);
?></li>
<?php
}
}
}
?>
</ul>
<?php
if ( ! empty($this->hybrids_ids) ) {
echo '<p>' . __('* This category is also a tag. It cannot be convert again.') . '</p>';
}
?>
<p class="submit"><input type="submit" name="submit" class="button" value="<?php _e('Convert Categories to Tags'); ?>" /></p>
</form>
<?php
} }
echo '</li>'; function tags_tab() {
$this->populate_tags();
$tags_num = count($this->all_tags);
echo '<br class="clear" />';
if ( $tags_num > 0 ) {
echo '<h2>Convert Tags (' . $tags_num . ') to Categories.</h2>';
echo '<div class="narrow">';
echo '<p>' . __('Here you can selectively converts existing tags to categories. To get started, check the tags you wish to be converted, then click the Convert button.') . '</p>';
echo '<p>' . __('The newly created categories will still be associated with the same posts.') . '</p></div>';
$this->tags_form();
} elseif ( $hyb_num > 0 ) {
echo '<p>' . __('You have no tags that can be converted. However some of your tags are both a tag and a category.') . '</p>';
} else {
echo '<p>'.__('You have no tags to convert!').'</p>';
} }
} }
echo '</ul>'; function tags_form() { ?>
echo '<p class="submit"><input type="submit" name="submit" class="button" value="' . __('Convert Tags') . '" /></p>'; <script type="text/javascript">
/* <![CDATA[ */
var checktags = "false";
function check_all_tagrows() {
field = document.taglist;
if ( 'false' == checktags ) {
for ( i = 0; i < field.length; i++ ) {
if ( 'tags_to_convert[]' == field[i].name )
field[i].checked = true;
}
checktags = 'true';
return '<?php _e('Uncheck All') ?>';
} else {
for ( i = 0; i < field.length; i++ ) {
if ( 'tags_to_convert[]' == field[i].name )
field[i].checked = false;
}
checktags = 'false';
return '<?php _e('Check All') ?>';
}
}
/* ]]> */
</script>
echo '</form>'; <form name="taglist" id="taglist" action="admin.php?import=wp-cat2tag&amp;step=4" method="post">
<p><input type="button" class="button-secondary" value="<?php _e('Check All'); ?>" onclick="this.value=check_all_tagrows()">
<?php wp_nonce_field('import-cat2tag'); ?></p>
<ul style="list-style:none">
<?php
foreach ( $this->all_tags as $tag ) {
if ( in_array( intval($tag->term_id), $this->hybrids_ids ) ) {
?>
<li style="color:#777;padding-left:1.3em;"><?php echo attribute_escape($tag->name) . ' (' . $tag->count . ') *'; ?></li>
<?php
} else {
?>
<li><label><input type="checkbox" name="tags_to_convert[]" value="<?php echo intval($tag->term_id); ?>" /> <?php echo attribute_escape($tag->name) . ' (' . $tag->count . ')'; ?></label></li>
<?php
}
}
?>
</ul>
<?php
if ( ! empty($this->hybrids_ids) )
echo '<p>' . __('* This tag is also a category. It cannot be converted again.') . '</p>';
?>
<p class="submit"><input type="submit" name="submit_tags" class="button" value="<?php _e('Convert Tags to Categories'); ?>" /></p>
</form>
<?php
} }
function _category_children($parent, $hier) { function _category_children($parent, $hier) {
echo '<ul style="list-style:none">'; ?>
<ul style="list-style:none">
<?php
foreach ($hier[$parent->term_id] as $child_id) { foreach ($hier[$parent->term_id] as $child_id) {
$child =& get_category($child_id); $child =& get_category($child_id);
echo '<li><label><input type="checkbox" name="cats_to_convert[]" value="' . intval($child->term_id) . '" /> ' . $child->name . ' (' . $child->count . ')</label>'; if ( in_array( intval($child->term_id), $this->hybrids_ids ) ) {
?>
<li style="color:#777;padding-left:1.3em;"><?php echo $child->name . ' (' . $child->count . ') *'; ?></li>
<?php
} else {
?>
<li><label><input type="checkbox" name="cats_to_convert[]" value="<?php echo intval($child->term_id); ?>" /> <?php echo $child->name . ' (' . $child->count . ')'; ?></label>
<?php
if (isset($hier[$child->term_id])) { if ( isset($hier[$child->term_id]) )
$this->_category_children($child, $hier); $this->_category_children($child, $hier);
?> </li>
<?php
} }
echo '</li>';
} }
?>
echo '</ul>'; </ul>
<?php
} }
function _category_exists($cat_id) { function _category_exists($cat_id) {
@ -125,7 +249,7 @@ function check_all_rows() {
} }
} }
function convert_them() { function convert_categories() {
global $wpdb; global $wpdb;
if ( (!isset($_POST['cats_to_convert']) || !is_array($_POST['cats_to_convert'])) && empty($this->categories_to_convert)) { if ( (!isset($_POST['cats_to_convert']) || !is_array($_POST['cats_to_convert'])) && empty($this->categories_to_convert)) {
@ -135,7 +259,6 @@ function check_all_rows() {
return; return;
} }
if ( empty($this->categories_to_convert) ) if ( empty($this->categories_to_convert) )
$this->categories_to_convert = $_POST['cats_to_convert']; $this->categories_to_convert = $_POST['cats_to_convert'];
$hier = _get_term_hierarchy('category'); $hier = _get_term_hierarchy('category');
@ -199,27 +322,93 @@ function check_all_rows() {
echo '<p>' . sprintf( __('We&#8217;re all done here, but you can always <a href="%s">convert more</a>.'), 'admin.php?import=wp-cat2tag' ) . '</p>'; echo '<p>' . sprintf( __('We&#8217;re all done here, but you can always <a href="%s">convert more</a>.'), 'admin.php?import=wp-cat2tag' ) . '</p>';
} }
function convert_tags() {
global $wpdb;
if ( (!isset($_POST['tags_to_convert']) || !is_array($_POST['tags_to_convert'])) && empty($this->tags_to_convert)) {
echo '<div class="narrow">';
echo '<p>' . sprintf(__('Uh, oh. Something didn&#8217;t work. Please <a href="%s">try again</a>.'), 'admin.php?import=wp-cat2tag&amp;step=3') . '</p>';
echo '</div>';
return;
}
if ( empty($this->categories_to_convert) )
$this->tags_to_convert = $_POST['tags_to_convert'];
$clean_cache = array();
echo '<ul>';
foreach ( (array) $this->tags_to_convert as $tag_id) {
$tag_id = (int) $tag_id;
echo '<li>' . sprintf(__('Converting tag #%s ... '), $tag_id);
if ( ! is_term($tag_id, 'post_tag') ) {
_e('Tag doesn\'t exist!');
} else {
if ( is_term($tag_id, 'category') ) {
_e('This Tag is already a Category.');
echo '</li>';
continue;
}
$tt_ids = $wpdb->get_col( $wpdb->prepare("SELECT term_taxonomy_id FROM $wpdb->term_taxonomy WHERE term_id = %d AND taxonomy = 'post_tag'", $tag_id) );
if ( $tt_ids ) {
$posts = $wpdb->get_col("SELECT object_id FROM $wpdb->term_relationships WHERE term_taxonomy_id IN (" . join(',', $tt_ids) . ") GROUP BY object_id");
foreach ( (array) $posts as $post )
clean_post_cache($post);
}
// Change the tag to a category.
$parent = $wpdb->get_var( $wpdb->prepare("SELECT parent FROM $wpdb->term_taxonomy WHERE term_id = %d AND taxonomy = 'post_tag'", $tag_id) );
if ( 0 == $parent || (0 < (int) $parent && $this->_category_exists($parent)) )
$reset_parent = '';
else $reset_parent = ", parent = '0'";
$wpdb->query( $wpdb->prepare("UPDATE $wpdb->term_taxonomy SET taxonomy = 'category' $reset_parent WHERE term_id = %d AND taxonomy = 'post_tag'", $tag_id) );
// Clean the cache
$clean_cache[] = $tag_id;
_e('Converted successfully.');
}
echo '</li>';
}
clean_term_cache( $clean_cache, 'post_tag' );
delete_option('category_children');
echo '</ul>';
echo '<p>' . sprintf( __('We&#8217;re all done here, but you can always <a href="%s">convert more</a>.'), 'admin.php?import=wp-cat2tag&amp;step=3' ) . '</p>';
}
function init() { function init() {
$step = (isset($_GET['step'])) ? (int) $_GET['step'] : 1; $step = (isset($_GET['step'])) ? (int) $_GET['step'] : 1;
$this->header(); $this->header();
if (!current_user_can('manage_categories')) { if ( current_user_can('manage_categories') ) {
echo '<div class="narrow">';
echo '<p>' . __('Cheatin&#8217; uh?') . '</p>';
echo '</div>';
} else {
if ( $step > 1 )
check_admin_referer('import-cat2tag');
switch ($step) { switch ($step) {
case 1 : case 1 :
$this->welcome(); $this->categories_tab();
break; break;
case 2 : case 2 :
$this->convert_them(); check_admin_referer('import-cat2tag');
$this->convert_categories();
break;
case 3 :
$this->tags_tab();
break;
case 4 :
check_admin_referer('import-cat2tag');
$this->convert_tags();
break; break;
} }
} }
@ -234,6 +423,6 @@ function check_all_rows() {
$wp_cat2tag_importer = new WP_Categories_to_Tags(); $wp_cat2tag_importer = new WP_Categories_to_Tags();
register_importer('wp-cat2tag', __('Categories to Tags Converter'), __('Convert existing categories to tags, selectively.'), array(&$wp_cat2tag_importer, 'init')); register_importer('wp-cat2tag', __('Categories and Tags Converter'), __('Convert existing categories to tags or tags to categories, selectively.'), array(&$wp_cat2tag_importer, 'init'));
?> ?>