admin_header_callback = $admin_header_callback;
$this->admin_image_div_callback = $admin_image_div_callback;
}
/**
* Setup the hooks for the Custom Header admin page.
*
* @since unknown
*/
function init() {
$page = add_theme_page(__('Custom Header'), __('Custom Header'), 'edit_themes', 'custom-header', array(&$this, 'admin_page'));
add_action("admin_print_scripts-$page", array(&$this, 'js_includes'));
add_action("admin_print_styles-$page", array(&$this, 'css_includes'));
add_action("admin_head-$page", array(&$this, 'take_action'), 50);
add_action("admin_head-$page", array(&$this, 'js'), 50);
add_action("admin_head-$page", $this->admin_header_callback, 51);
}
/**
* Get the current step.
*
* @since unknown
*
* @return int Current step
*/
function step() {
if ( ! isset( $_GET['step'] ) )
return 1;
$step = (int) $_GET['step'];
if ( $step < 1 || 3 < $step )
$step = 1;
return $step;
}
/**
* Setup the enqueue for the JavaScript files.
*
* @since unknown
*/
function js_includes() {
$step = $this->step();
if ( 1 == $step )
wp_enqueue_script('farbtastic');
elseif ( 2 == $step )
wp_enqueue_script('jcrop');
}
/**
* Setup the enqueue for the CSS files
*
* @since 2.7
*/
function css_includes() {
$step = $this->step();
if ( 1 == $step )
wp_enqueue_style('farbtastic');
elseif ( 2 == $step )
wp_enqueue_style('jcrop');
}
/**
* Execute custom header modification.
*
* @since unknown
*/
function take_action() {
if ( isset( $_POST['textcolor'] ) ) {
check_admin_referer('custom-header');
if ( 'blank' == $_POST['textcolor'] ) {
set_theme_mod('header_textcolor', 'blank');
} else {
$color = preg_replace('/[^0-9a-fA-F]/', '', $_POST['textcolor']);
if ( strlen($color) == 6 || strlen($color) == 3 )
set_theme_mod('header_textcolor', $color);
}
}
if ( isset($_POST['resetheader']) ) {
check_admin_referer('custom-header');
remove_theme_mods();
}
}
/**
* Execute Javascript depending on step.
*
* @since unknown
*/
function js() {
$step = $this->step();
if ( 1 == $step )
$this->js_1();
elseif ( 2 == $step )
$this->js_2();
}
/**
* Display Javascript based on Step 1.
*
* @since unknown
*/
function js_1() { ?>
Visit your site to see how it looks.'), home_url()); ?>
admin_image_div_callback ) {
call_user_func($this->admin_image_div_callback);
} else {
?>
%1$d x %2$d pixels will be used as-is.'), HEADER_IMAGE_WIDTH, HEADER_IMAGE_HEIGHT); ?>
false);
$file = wp_handle_upload($_FILES['import'], $overrides);
if ( isset($file['error']) )
die( $file['error'] );
$url = $file['url'];
$type = $file['type'];
$file = $file['file'];
$filename = basename($file);
// Construct the object array
$object = array(
'post_title' => $filename,
'post_content' => $url,
'post_mime_type' => $type,
'guid' => $url);
// Save the data
$id = wp_insert_attachment($object, $file);
list($width, $height, $type, $attr) = getimagesize( $file );
if ( $width == HEADER_IMAGE_WIDTH && $height == HEADER_IMAGE_HEIGHT ) {
// Add the meta-data
wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $file ) );
set_theme_mod('header_image', esc_url($url));
do_action('wp_create_file_in_uploads', $file, $id); // For replication
return $this->finished();
} elseif ( $width > HEADER_IMAGE_WIDTH ) {
$oitar = $width / HEADER_IMAGE_WIDTH;
$image = wp_crop_image($file, 0, 0, $width, $height, HEADER_IMAGE_WIDTH, $height / $oitar, false, str_replace(basename($file), 'midsize-'.basename($file), $file));
if ( is_wp_error( $image ) )
wp_die( __( 'Image could not be processed. Please go back and try again.' ), __( 'Image Processing Error' ) );
$image = apply_filters('wp_create_file_in_uploads', $image, $id); // For replication
$url = str_replace(basename($url), basename($image), $url);
$width = $width / $oitar;
$height = $height / $oitar;
} else {
$oitar = 1;
}
?>
1 ) {
$_POST['x1'] = $_POST['x1'] * $_POST['oitar'];
$_POST['y1'] = $_POST['y1'] * $_POST['oitar'];
$_POST['width'] = $_POST['width'] * $_POST['oitar'];
$_POST['height'] = $_POST['height'] * $_POST['oitar'];
}
$original = get_attached_file( $_POST['attachment_id'] );
$cropped = wp_crop_image($_POST['attachment_id'], $_POST['x1'], $_POST['y1'], $_POST['width'], $_POST['height'], HEADER_IMAGE_WIDTH, HEADER_IMAGE_HEIGHT);
if ( is_wp_error( $cropped ) )
wp_die( __( 'Image could not be processed. Please go back and try again.' ), __( 'Image Processing Error' ) );
$cropped = apply_filters('wp_create_file_in_uploads', $cropped, $_POST['attachment_id']); // For replication
$parent = get_post($_POST['attachment_id']);
$parent_url = $parent->guid;
$url = str_replace(basename($parent_url), basename($cropped), $parent_url);
// Construct the object array
$object = array(
'ID' => $_POST['attachment_id'],
'post_title' => basename($cropped),
'post_content' => $url,
'post_mime_type' => 'image/jpeg',
'guid' => $url
);
// Update the attachment
wp_insert_attachment($object, $cropped);
wp_update_attachment_metadata( $_POST['attachment_id'], wp_generate_attachment_metadata( $_POST['attachment_id'], $cropped ) );
set_theme_mod('header_image', $url);
// cleanup
$medium = str_replace(basename($original), 'midsize-'.basename($original), $original);
@unlink( apply_filters( 'wp_delete_file', $medium ) );
@unlink( apply_filters( 'wp_delete_file', $original ) );
return $this->finished();
}
/**
* Display last step of custom header image page.
*
* @since unknown
*/
function finished() {
$_GET['updated'] = 1;
$this->step_1();
}
/**
* Display the page based on the current step.
*
* @since unknown
*/
function admin_page() {
$step = $this->step();
if ( 1 == $step )
$this->step_1();
elseif ( 2 == $step )
$this->step_2();
elseif ( 3 == $step )
$this->step_3();
}
}
?>