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<?php
class Custom_Image_Header
{
public $admin_header_callback;
public $admin_image_div_callback;
public $default_headers = array();
private $updated;
public function __construct($admin_header_callback, $admin_image_div_callback = '')
{
$this->admin_header_callback = $admin_header_callback;
$this->admin_image_div_callback = $admin_image_div_callback;
add_action('admin_menu', array($this, 'init'));
add_action('customize_save_after', array($this, 'customize_set_last_used'));
add_action('wp_ajax_custom-header-crop', array($this, 'ajax_header_crop'));
add_action('wp_ajax_custom-header-add', array($this, 'ajax_header_add'));
add_action('wp_ajax_custom-header-remove', array($this, 'ajax_header_remove'));
}
public function init()
{
$page = add_theme_page(__('Header'), __('Header'), 'edit_theme_options', 'custom-header', array($this, 'admin_page'));
if (!$page) {
return;
}
add_action("admin_print_scripts-{$page}", array($this, 'js_includes'));
add_action("admin_print_styles-{$page}", array($this, 'css_includes'));
add_action("admin_head-{$page}", array($this, 'help'));
add_action("admin_head-{$page}", array($this, 'take_action'), 50);
add_action("admin_head-{$page}", array($this, 'js'), 50);
if ($this->admin_header_callback) {
add_action("admin_head-{$page}", $this->admin_header_callback, 51);
}
}
public function help()
{
get_current_screen()->add_help_tab(array('id' => 'overview', 'title' => __('Overview'), 'content' => '<p>' . __('This screen is used to customize the header section of your theme.') . '</p>' . '<p>' . __('You can choose from the theme’s default header images, or use one of your own. You can also customize how your Site Title and Tagline are displayed.') . '<p>'));
get_current_screen()->add_help_tab(array('id' => 'set-header-image', 'title' => __('Header Image'), 'content' => '<p>' . __('You can set a custom image header for your site. Simply upload the image and crop it, and the new header will go live immediately. Alternatively, you can use an image that has already been uploaded to your Media Library by clicking the “Choose Image” button.') . '</p>' . '<p>' . __('Some themes come with additional header images bundled. If you see multiple images displayed, select the one you’d like and click the “Save Changes” button.') . '</p>' . '<p>' . __('If your theme has more than one default header image, or you have uploaded more than one custom header image, you have the option of having WordPress display a randomly different image on each page of your site. Click the “Random” radio button next to the Uploaded Images or Default Images section to enable this feature.') . '</p>' . '<p>' . __('If you don’t want a header image to be displayed on your site at all, click the “Remove Header Image” button at the bottom of the Header Image section of this page. If you want to re-enable the header image later, you just have to select one of the other image options and click “Save Changes”.') . '</p>'));
get_current_screen()->add_help_tab(array('id' => 'set-header-text', 'title' => __('Header Text'), 'content' => '<p>' . sprintf(__('For most themes, the header text is your Site Title and Tagline, as defined in the <a href="%s">General Settings</a> section.'), admin_url('options-general.php')) . '</p>' . '<p>' . __('In the Header Text section of this page, you can choose whether to display this text or hide it. You can also choose a color for the text by clicking the Select Color button and either typing in a legitimate HTML hex value, e.g. “#ff0000” for red, or by choosing a color using the color picker.') . '</p>' . '<p>' . __('Don’t forget to click “Save Changes” when you’re done!') . '</p>'));
get_current_screen()->set_help_sidebar('<p><strong>' . __('For more information:') . '</strong></p>' . '<p>' . __('<a href="https://codex.wordpress.org/Appearance_Header_Screen">Documentation on Custom Header</a>') . '</p>' . '<p>' . __('<a href="https://wordpress.org/support/">Support</a>') . '</p>');
}
public function step()
{
if (!isset($_GET['step'])) {
return 1;
}
$step = (int) $_GET['step'];
if ($step < 1 || 3 < $step || 2 == $step && !wp_verify_nonce($_REQUEST['_wpnonce-custom-header-upload'], 'custom-header-upload') || 3 == $step && !wp_verify_nonce($_REQUEST['_wpnonce'], 'custom-header-crop-image')) {
return 1;
}
return $step;
}
public function js_includes()
{
$step = $this->step();
if (1 == $step || 3 == $step) {
wp_enqueue_media();
wp_enqueue_script('custom-header');
if (current_theme_supports('custom-header', 'header-text')) {
wp_enqueue_script('wp-color-picker');
}
} elseif (2 == $step) {
wp_enqueue_script('imgareaselect');
}
}
public function css_includes()
{
$step = $this->step();
if ((1 == $step || 3 == $step) && current_theme_supports('custom-header', 'header-text')) {
wp_enqueue_style('wp-color-picker');
} elseif (2 == $step) {
wp_enqueue_style('imgareaselect');
}
}
public function take_action()
{
if (!current_user_can('edit_theme_options')) {
return;
}
if (empty($_POST)) {
return;
}
$this->updated = true;
if (isset($_POST['resetheader'])) {
check_admin_referer('custom-header-options', '_wpnonce-custom-header-options');
$this->reset_header_image();
return;
}
if (isset($_POST['removeheader'])) {
check_admin_referer('custom-header-options', '_wpnonce-custom-header-options');
$this->remove_header_image();
return;
}
if (isset($_POST['text-color']) && !isset($_POST['display-header-text'])) {
check_admin_referer('custom-header-options', '_wpnonce-custom-header-options');
set_theme_mod('header_textcolor', 'blank');
} elseif (isset($_POST['text-color'])) {
check_admin_referer('custom-header-options', '_wpnonce-custom-header-options');
$_POST['text-color'] = str_replace('#', '', $_POST['text-color']);
$color = preg_replace('/[^0-9a-fA-F]/', '', $_POST['text-color']);
if (strlen($color) == 6 || strlen($color) == 3) {
set_theme_mod('header_textcolor', $color);
} elseif (!$color) {
set_theme_mod('header_textcolor', 'blank');
}
}
if (isset($_POST['default-header'])) {
check_admin_referer('custom-header-options', '_wpnonce-custom-header-options');
$this->set_header_image($_POST['default-header']);
return;
}
}
public function process_default_headers()
{
global $_wp_default_headers;
if (!isset($_wp_default_headers)) {
return;
}
if (!empty($this->default_headers)) {
return;
}
$this->default_headers = $_wp_default_headers;
$template_directory_uri = get_template_directory_uri();
$stylesheet_directory_uri = get_stylesheet_directory_uri();
foreach (array_keys($this->default_headers) as $header) {
$this->default_headers[$header]['url'] = sprintf($this->default_headers[$header]['url'], $template_directory_uri, $stylesheet_directory_uri);
$this->default_headers[$header]['thumbnail_url'] = sprintf($this->default_headers[$header]['thumbnail_url'], $template_directory_uri, $stylesheet_directory_uri);
}
}
public function show_header_selector($type = 'default')
{
if ('default' === $type) {
$headers = $this->default_headers;
} else {
$headers = get_uploaded_header_images();
$type = 'uploaded';
}
if (1 < count($headers)) {
echo '<div class="random-header">';
echo '<label><input name="default-header" type="radio" value="random-' . $type . '-image"' . checked(is_random_header_image($type), true, false) . ' />';
_e('<strong>Random:</strong> Show a different image on each page.');
echo '</label>';
echo '</div>';
}
echo '<div class="available-headers">';
foreach ($headers as $header_key => $header) {
$header_thumbnail = $header['thumbnail_url'];
$header_url = $header['url'];
$header_alt_text = empty($header['alt_text']) ? '' : $header['alt_text'];
echo '<div class="default-header">';
echo '<label><input name="default-header" type="radio" value="' . esc_attr($header_key) . '" ' . checked($header_url, get_theme_mod('header_image'), false) . ' />';
$width = '';
if (!empty($header['attachment_id'])) {
$width = ' width="230"';
}
echo '<img src="' . set_url_scheme($header_thumbnail) . '" alt="' . esc_attr($header_alt_text) . '"' . $width . ' /></label>';
echo '</div>';
}
echo '<div class="clear"></div></div>';
}
public function js()
{
$step = $this->step();
if ((1 == $step || 3 == $step) && current_theme_supports('custom-header', 'header-text')) {
$this->js_1();
} elseif (2 == $step) {
$this->js_2();
}
}
public function js_1()
{
$default_color = '';
if (current_theme_supports('custom-header', 'default-text-color')) {
$default_color = get_theme_support('custom-header', 'default-text-color');
if ($default_color && false === strpos($default_color, '#')) {
$default_color = '#' . $default_color;
}
}
?>
<script type="text/javascript">
(function($){
var default_color = '<?php
echo esc_js($default_color);
?>',
header_text_fields;
function pickColor(color) {
$('#name').css('color', color);
$('#desc').css('color', color);
$('#text-color').val(color);
}
function toggle_text() {
var checked = $('#display-header-text').prop('checked'),
text_color;
header_text_fields.toggle( checked );
if ( ! checked )
return;
text_color = $('#text-color');
if ( '' === text_color.val().replace('#', '') ) {
text_color.val( default_color );
pickColor( default_color );
} else {
pickColor( text_color.val() );
}
}
$(document).ready(function() {
var text_color = $('#text-color');
header_text_fields = $('.displaying-header-text');
text_color.wpColorPicker({
change: function( event, ui ) {
pickColor( text_color.wpColorPicker('color') );
},
clear: function() {
pickColor( '' );
}
});
$('#display-header-text').click( toggle_text );
<?php
if (!display_header_text()) {
?>
toggle_text();
<?php
}
?>
});
})(jQuery);
</script>
<?php
}
public function js_2()
{
?>
<script type="text/javascript">
function onEndCrop( coords ) {
jQuery( '#x1' ).val(coords.x);
jQuery( '#y1' ).val(coords.y);
jQuery( '#width' ).val(coords.w);
jQuery( '#height' ).val(coords.h);
}
jQuery(document).ready(function() {
var xinit = <?php
echo absint(get_theme_support('custom-header', 'width'));
?>;
var yinit = <?php
echo absint(get_theme_support('custom-header', 'height'));
?>;
var ratio = xinit / yinit;
var ximg = jQuery('img#upload').width();
var yimg = jQuery('img#upload').height();
if ( yimg < yinit || ximg < xinit ) {
if ( ximg / yimg > ratio ) {
yinit = yimg;
xinit = yinit * ratio;
} else {
xinit = ximg;
yinit = xinit / ratio;
}
}
jQuery('img#upload').imgAreaSelect({
handles: true,
keys: true,
show: true,
x1: 0,
y1: 0,
x2: xinit,
y2: yinit,
<?php
if (!current_theme_supports('custom-header', 'flex-height') && !current_theme_supports('custom-header', 'flex-width')) {
?>
aspectRatio: xinit + ':' + yinit,
<?php
}
if (!current_theme_supports('custom-header', 'flex-height')) {
?>
maxHeight: <?php
echo get_theme_support('custom-header', 'height');
?>,
<?php
}
if (!current_theme_supports('custom-header', 'flex-width')) {
?>
maxWidth: <?php
echo get_theme_support('custom-header', 'width');
?>,
<?php
}
?>
onInit: function () {
jQuery('#width').val(xinit);
jQuery('#height').val(yinit);
},
onSelectChange: function(img, c) {
jQuery('#x1').val(c.x1);
jQuery('#y1').val(c.y1);
jQuery('#width').val(c.width);
jQuery('#height').val(c.height);
}
});
});
</script>
<?php
}
public function step_1()
{
$this->process_default_headers();
?>
<div class="wrap">
<h1><?php
_e('Custom Header');
?></h1>
<?php
if (current_user_can('customize')) {
?>
<div class="notice notice-info hide-if-no-customize">
<p>
<?php
printf(__('You can now manage and live-preview Custom Header in the <a href="%s">Customizer</a>.'), admin_url('customize.php?autofocus[control]=header_image'));
?>
</p>
</div>
<?php
}
?>
<?php
if (!empty($this->updated)) {
?>
<div id="message" class="updated">
<p>
<?php
printf(__('Header updated. <a href="%s">Visit your site</a> to see how it looks.'), home_url('/'));
?>
</p>
</div>
<?php
}
?>
<h2><?php
_e('Header Image');
?></h2>
<table class="form-table" role="presentation">
<tbody>
<?php
if (get_custom_header() || display_header_text()) {
?>
<tr>
<th scope="row"><?php
_e('Preview');
?></th>
<td>
<?php
if ($this->admin_image_div_callback) {
call_user_func($this->admin_image_div_callback);
} else {
$custom_header = get_custom_header();
$header_image = get_header_image();
if ($header_image) {
$header_image_style = 'background-image:url(' . esc_url($header_image) . ');';
} else {
$header_image_style = '';
}
if ($custom_header->width) {
$header_image_style .= 'max-width:' . $custom_header->width . 'px;';
}
if ($custom_header->height) {
$header_image_style .= 'height:' . $custom_header->height . 'px;';
}
?>
<div id="headimg" style="<?php
echo $header_image_style;
?>">
<?php
if (display_header_text()) {
$style = ' style="color:#' . get_header_textcolor() . ';"';
} else {
$style = ' style="display:none;"';
}
?>
<h1><a id="name" class="displaying-header-text" <?php
echo $style;
?> onclick="return false;" href="<?php
bloginfo('url');
?>" tabindex="-1"><?php
bloginfo('name');
?></a></h1>
<div id="desc" class="displaying-header-text" <?php
echo $style;
?>><?php
bloginfo('description');
?></div>
</div>
<?php
}
?>
</td>
</tr>
<?php
}
?>
<?php
if (current_user_can('upload_files') && current_theme_supports('custom-header', 'uploads')) {
?>
<tr>
<th scope="row"><?php
_e('Select Image');
?></th>
<td>
<p><?php
_e('You can select an image to be shown at the top of your site by uploading from your computer or choosing from your media library. After selecting an image you will be able to crop it.');
?><br />
<?php
if (!current_theme_supports('custom-header', 'flex-height') && !current_theme_supports('custom-header', 'flex-width')) {
printf(__('Images of exactly <strong>%1$d × %2$d pixels</strong> will be used as-is.') . '<br />', get_theme_support('custom-header', 'width'), get_theme_support('custom-header', 'height'));
} elseif (current_theme_supports('custom-header', 'flex-height')) {
if (!current_theme_supports('custom-header', 'flex-width')) {
printf(__('Images should be at least %s wide.') . ' ', sprintf('<strong>' . __('%d pixels') . '</strong>', get_theme_support('custom-header', 'width')));
}
} elseif (current_theme_supports('custom-header', 'flex-width')) {
if (!current_theme_supports('custom-header', 'flex-height')) {
printf(__('Images should be at least %s tall.') . ' ', sprintf('<strong>' . __('%d pixels') . '</strong>', get_theme_support('custom-header', 'height')));
}
}
if (current_theme_supports('custom-header', 'flex-height') || current_theme_supports('custom-header', 'flex-width')) {
if (current_theme_supports('custom-header', 'width')) {
printf(__('Suggested width is %s.') . ' ', sprintf('<strong>' . __('%d pixels') . '</strong>', get_theme_support('custom-header', 'width')));
}
if (current_theme_supports('custom-header', 'height')) {
printf(__('Suggested height is %s.') . ' ', sprintf('<strong>' . __('%d pixels') . '</strong>', get_theme_support('custom-header', 'height')));
}
}
?>
</p>
<form enctype="multipart/form-data" id="upload-form" class="wp-upload-form" method="post" action="<?php
echo esc_url(add_query_arg('step', 2));
?>">
<p>
<label for="upload"><?php
_e('Choose an image from your computer:');
?></label><br />
<input type="file" id="upload" name="import" />
<input type="hidden" name="action" value="save" />
<?php
wp_nonce_field('custom-header-upload', '_wpnonce-custom-header-upload');
?>
<?php
submit_button(__('Upload'), '', 'submit', false);
?>
</p>
<?php
$modal_update_href = esc_url(add_query_arg(array('page' => 'custom-header', 'step' => 2, '_wpnonce-custom-header-upload' => wp_create_nonce('custom-header-upload')), admin_url('themes.php')));
?>
<p>
<label for="choose-from-library-link"><?php
_e('Or choose an image from your media library:');
?></label><br />
<button id="choose-from-library-link" class="button"
data-update-link="<?php
echo esc_attr($modal_update_href);
?>"
data-choose="<?php
esc_attr_e('Choose a Custom Header');
?>"
data-update="<?php
esc_attr_e('Set as header');
?>"><?php
_e('Choose Image');
?></button>
</p>
</form>
</td>
</tr>
<?php
}
?>
</tbody>
</table>
<form method="post" action="<?php
echo esc_url(add_query_arg('step', 1));
?>">
<?php
submit_button(null, 'screen-reader-text', 'save-header-options', false);
?>
<table class="form-table" role="presentation">
<tbody>
<?php
if (get_uploaded_header_images()) {
?>
<tr>
<th scope="row"><?php
_e('Uploaded Images');
?></th>
<td>
<p><?php
_e('You can choose one of your previously uploaded headers, or show a random one.');
?></p>
<?php
$this->show_header_selector('uploaded');
?>
</td>
</tr>
<?php
}
if (!empty($this->default_headers)) {
?>
<tr>
<th scope="row"><?php
_e('Default Images');
?></th>
<td>
<?php
if (current_theme_supports('custom-header', 'uploads')) {
?>
<p><?php
_e('If you don‘t want to upload your own image, you can use one of these cool headers, or show a random one.');
?></p>
<?php
} else {
?>
<p><?php
_e('You can use one of these cool headers or show a random one on each page.');
?></p>
<?php
}
?>
<?php
$this->show_header_selector('default');
?>
</td>
</tr>
<?php
}
if (get_header_image()) {
?>
<tr>
<th scope="row"><?php
_e('Remove Image');
?></th>
<td>
<p><?php
_e('This will remove the header image. You will not be able to restore any customizations.');
?></p>
<?php
submit_button(__('Remove Header Image'), '', 'removeheader', false);
?>
</td>
</tr>
<?php
}
$default_image = sprintf(get_theme_support('custom-header', 'default-image'), get_template_directory_uri(), get_stylesheet_directory_uri());
if ($default_image && get_header_image() != $default_image) {
?>
<tr>
<th scope="row"><?php
_e('Reset Image');
?></th>
<td>
<p><?php
_e('This will restore the original header image. You will not be able to restore any customizations.');
?></p>
<?php
submit_button(__('Restore Original Header Image'), '', 'resetheader', false);
?>
</td>
</tr>
<?php
}
?>
</tbody>
</table>
<?php
if (current_theme_supports('custom-header', 'header-text')) {
?>
<h2><?php
_e('Header Text');
?></h2>
<table class="form-table" role="presentation">
<tbody>
<tr>
<th scope="row"><?php
_e('Header Text');
?></th>
<td>
<p>
<label><input type="checkbox" name="display-header-text" id="display-header-text"<?php
checked(display_header_text());
?> /> <?php
_e('Show header text with your image.');
?></label>
</p>
</td>
</tr>
<tr class="displaying-header-text">
<th scope="row"><?php
_e('Text Color');
?></th>
<td>
<p>
<?php
$default_color = '';
if (current_theme_supports('custom-header', 'default-text-color')) {
$default_color = get_theme_support('custom-header', 'default-text-color');
if ($default_color && false === strpos($default_color, '#')) {
$default_color = '#' . $default_color;
}
}
$default_color_attr = $default_color ? ' data-default-color="' . esc_attr($default_color) . '"' : '';
$header_textcolor = display_header_text() ? get_header_textcolor() : get_theme_support('custom-header', 'default-text-color');
if ($header_textcolor && false === strpos($header_textcolor, '#')) {
$header_textcolor = '#' . $header_textcolor;
}
echo '<input type="text" name="text-color" id="text-color" value="' . esc_attr($header_textcolor) . '"' . $default_color_attr . ' />';
if ($default_color) {
echo ' <span class="description hide-if-js">' . sprintf(_x('Default: %s', 'color'), esc_html($default_color)) . '</span>';
}
?>
</p>
</td>
</tr>
</tbody>
</table>
<?php
}
do_action('custom_header_options');
wp_nonce_field('custom-header-options', '_wpnonce-custom-header-options');
?>
<?php
submit_button(null, 'primary', 'save-header-options');
?>
</form>
</div>
<?php
}
public function step_2()
{
check_admin_referer('custom-header-upload', '_wpnonce-custom-header-upload');
if (!current_theme_supports('custom-header', 'uploads')) {
wp_die('<h1>' . __('Something went wrong.') . '</h1>' . '<p>' . __('The current theme does not support uploading a custom header image.') . '</p>', 403);
}
if (empty($_POST) && isset($_GET['file'])) {
$attachment_id = absint($_GET['file']);
$file = get_attached_file($attachment_id, true);
$url = wp_get_attachment_image_src($attachment_id, 'full');
$url = $url[0];
} elseif (isset($_POST)) {
$data = $this->step_2_manage_upload();
$attachment_id = $data['attachment_id'];
$file = $data['file'];
$url = $data['url'];
}
if (file_exists($file)) {
list($width, $height, $type, $attr) = wp_getimagesize($file);
} else {
$data = wp_get_attachment_metadata($attachment_id);
$height = isset($data['height']) ? $data['height'] : 0;
$width = isset($data['width']) ? $data['width'] : 0;
unset($data);
}
$max_width = 0;
if (current_theme_supports('custom-header', 'flex-width')) {
$max_width = 1500;
}
if (current_theme_supports('custom-header', 'max-width')) {
$max_width = max($max_width, get_theme_support('custom-header', 'max-width'));
}
$max_width = max($max_width, get_theme_support('custom-header', 'width'));
if (!current_theme_supports('custom-header', 'flex-height') && !current_theme_supports('custom-header', 'flex-width') && get_theme_support('custom-header', 'width') == $width && get_theme_support('custom-header', 'height') == $height) {
if (file_exists($file)) {
wp_update_attachment_metadata($attachment_id, wp_generate_attachment_metadata($attachment_id, $file));
}
$this->set_header_image(compact('url', 'attachment_id', 'width', 'height'));
do_action('wp_create_file_in_uploads', $file, $attachment_id);
return $this->finished();
} elseif ($width > $max_width) {
$oitar = $width / $max_width;
$image = wp_crop_image($attachment_id, 0, 0, $width, $height, $max_width, $height / $oitar, false, str_replace(wp_basename($file), 'midsize-' . wp_basename($file), $file));
if (!$image || 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, $attachment_id);
$url = str_replace(wp_basename($url), wp_basename($image), $url);
$width = $width / $oitar;
$height = $height / $oitar;
} else {
$oitar = 1;
}
?>
<div class="wrap">
<h1><?php
_e('Crop Header Image');
?></h1>
<form method="post" action="<?php
echo esc_url(add_query_arg('step', 3));
?>">
<p class="hide-if-no-js"><?php
_e('Choose the part of the image you want to use as your header.');
?></p>
<p class="hide-if-js"><strong><?php
_e('You need JavaScript to choose a part of the image.');
?></strong></p>
<div id="crop_image" style="position: relative">
<img src="<?php
echo esc_url($url);
?>" id="upload" width="<?php
echo $width;
?>" height="<?php
echo $height;
?>" alt="" />
</div>
<input type="hidden" name="x1" id="x1" value="0"/>
<input type="hidden" name="y1" id="y1" value="0"/>
<input type="hidden" name="width" id="width" value="<?php
echo esc_attr($width);
?>"/>
<input type="hidden" name="height" id="height" value="<?php
echo esc_attr($height);
?>"/>
<input type="hidden" name="attachment_id" id="attachment_id" value="<?php
echo esc_attr($attachment_id);
?>" />
<input type="hidden" name="oitar" id="oitar" value="<?php
echo esc_attr($oitar);
?>" />
<?php
if (empty($_POST) && isset($_GET['file'])) {
?>
<input type="hidden" name="create-new-attachment" value="true" />
<?php
}
?>
<?php
wp_nonce_field('custom-header-crop-image');
?>
<p class="submit">
<?php
submit_button(__('Crop and Publish'), 'primary', 'submit', false);
?>
<?php
if (isset($oitar) && 1 == $oitar && (current_theme_supports('custom-header', 'flex-height') || current_theme_supports('custom-header', 'flex-width'))) {
submit_button(__('Skip Cropping, Publish Image as Is'), '', 'skip-cropping', false);
}
?>
</p>
</form>
</div>
<?php
}
public function step_2_manage_upload()
{
$overrides = array('test_form' => false);
$uploaded_file = $_FILES['import'];
$wp_filetype = wp_check_filetype_and_ext($uploaded_file['tmp_name'], $uploaded_file['name']);
if (!wp_match_mime_types('image', $wp_filetype['type'])) {
wp_die(__('The uploaded file is not a valid image. Please try again.'));
}
$file = wp_handle_upload($uploaded_file, $overrides);
if (isset($file['error'])) {
wp_die($file['error'], __('Image Upload Error'));
}
$url = $file['url'];
$type = $file['type'];
$file = $file['file'];
$filename = wp_basename($file);
$object = array('post_title' => $filename, 'post_content' => $url, 'post_mime_type' => $type, 'guid' => $url, 'context' => 'custom-header');
$attachment_id = wp_insert_attachment($object, $file);
return compact('attachment_id', 'file', 'filename', 'url', 'type');
}
public function step_3()
{
check_admin_referer('custom-header-crop-image');
if (!current_theme_supports('custom-header', 'uploads')) {
wp_die('<h1>' . __('Something went wrong.') . '</h1>' . '<p>' . __('The current theme does not support uploading a custom header image.') . '</p>', 403);
}
if (!empty($_POST['skip-cropping']) && !(current_theme_supports('custom-header', 'flex-height') || current_theme_supports('custom-header', 'flex-width'))) {
wp_die('<h1>' . __('Something went wrong.') . '</h1>' . '<p>' . __('The current theme does not support a flexible sized header image.') . '</p>', 403);
}
if ($_POST['oitar'] > 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'];
}
$attachment_id = absint($_POST['attachment_id']);
$original = get_attached_file($attachment_id);
$dimensions = $this->get_header_dimensions(array('height' => $_POST['height'], 'width' => $_POST['width']));
$height = $dimensions['dst_height'];
$width = $dimensions['dst_width'];
if (empty($_POST['skip-cropping'])) {
$cropped = wp_crop_image($attachment_id, (int) $_POST['x1'], (int) $_POST['y1'], (int) $_POST['width'], (int) $_POST['height'], $width, $height);
} elseif (!empty($_POST['create-new-attachment'])) {
$cropped = _copy_image_file($attachment_id);
} else {
$cropped = get_attached_file($attachment_id);
}
if (!$cropped || is_wp_error($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, $attachment_id);
$object = $this->create_attachment_object($cropped, $attachment_id);
if (!empty($_POST['create-new-attachment'])) {
unset($object['ID']);
}
$attachment_id = $this->insert_attachment($object, $cropped);
$url = wp_get_attachment_url($attachment_id);
$this->set_header_image(compact('url', 'attachment_id', 'width', 'height'));
$medium = str_replace(wp_basename($original), 'midsize-' . wp_basename($original), $original);
if (file_exists($medium)) {
wp_delete_file($medium);
}
if (empty($_POST['create-new-attachment']) && empty($_POST['skip-cropping'])) {
wp_delete_file($original);
}
return $this->finished();
}
public function finished()
{
$this->updated = true;
$this->step_1();
}
public function admin_page()
{
if (!current_user_can('edit_theme_options')) {
wp_die(__('Sorry, you are not allowed to customize headers.'));
}
$step = $this->step();
if (2 == $step) {
$this->step_2();
} elseif (3 == $step) {
$this->step_3();
} else {
$this->step_1();
}
}
public function attachment_fields_to_edit($form_fields)
{
return $form_fields;
}
public function filter_upload_tabs($tabs)
{
return $tabs;
}
public final function set_header_image($choice)
{
if (is_array($choice) || is_object($choice)) {
$choice = (array) $choice;
if (!isset($choice['attachment_id']) || !isset($choice['url'])) {
return;
}
$choice['url'] = esc_url_raw($choice['url']);
$header_image_data = (object) array('attachment_id' => $choice['attachment_id'], 'url' => $choice['url'], 'thumbnail_url' => $choice['url'], 'height' => $choice['height'], 'width' => $choice['width']);
update_post_meta($choice['attachment_id'], '_wp_attachment_is_custom_header', get_stylesheet());
set_theme_mod('header_image', $choice['url']);
set_theme_mod('header_image_data', $header_image_data);
return;
}
if (in_array($choice, array('remove-header', 'random-default-image', 'random-uploaded-image'), true)) {
set_theme_mod('header_image', $choice);
remove_theme_mod('header_image_data');
return;
}
$uploaded = get_uploaded_header_images();
if ($uploaded && isset($uploaded[$choice])) {
$header_image_data = $uploaded[$choice];
} else {
$this->process_default_headers();
if (isset($this->default_headers[$choice])) {
$header_image_data = $this->default_headers[$choice];
} else {
return;
}
}
set_theme_mod('header_image', esc_url_raw($header_image_data['url']));
set_theme_mod('header_image_data', $header_image_data);
}
public final function remove_header_image()
{
$this->set_header_image('remove-header');
}
public final function reset_header_image()
{
$this->process_default_headers();
$default = get_theme_support('custom-header', 'default-image');
if (!$default) {
$this->remove_header_image();
return;
}
$default = sprintf($default, get_template_directory_uri(), get_stylesheet_directory_uri());
$default_data = array();
foreach ($this->default_headers as $header => $details) {
if ($details['url'] == $default) {
$default_data = $details;
break;
}
}
set_theme_mod('header_image', $default);
set_theme_mod('header_image_data', (object) $default_data);
}
public final function get_header_dimensions($dimensions)
{
$max_width = 0;
$width = absint($dimensions['width']);
$height = absint($dimensions['height']);
$theme_height = get_theme_support('custom-header', 'height');
$theme_width = get_theme_support('custom-header', 'width');
$has_flex_width = current_theme_supports('custom-header', 'flex-width');
$has_flex_height = current_theme_supports('custom-header', 'flex-height');
$has_max_width = current_theme_supports('custom-header', 'max-width');
$dst = array('dst_height' => null, 'dst_width' => null);
if ($has_flex_width) {
$max_width = 1500;
}
if ($has_max_width) {
$max_width = max($max_width, get_theme_support('custom-header', 'max-width'));
}
$max_width = max($max_width, $theme_width);
if ($has_flex_height && (!$has_flex_width || $width > $max_width)) {
$dst['dst_height'] = absint($height * ($max_width / $width));
} elseif ($has_flex_height && $has_flex_width) {
$dst['dst_height'] = $height;
} else {
$dst['dst_height'] = $theme_height;
}
if ($has_flex_width && (!$has_flex_height || $width > $max_width)) {
$dst['dst_width'] = absint($width * ($max_width / $width));
} elseif ($has_flex_width && $has_flex_height) {
$dst['dst_width'] = $width;
} else {
$dst['dst_width'] = $theme_width;
}
return $dst;
}
public final function create_attachment_object($cropped, $parent_attachment_id)
{
$parent = get_post($parent_attachment_id);
$parent_url = wp_get_attachment_url($parent->ID);
$url = str_replace(wp_basename($parent_url), wp_basename($cropped), $parent_url);
$size = wp_getimagesize($cropped);
$image_type = $size ? $size['mime'] : 'image/jpeg';
$object = array('ID' => $parent_attachment_id, 'post_title' => wp_basename($cropped), 'post_mime_type' => $image_type, 'guid' => $url, 'context' => 'custom-header', 'post_parent' => $parent_attachment_id);
return $object;
}
public final function insert_attachment($object, $cropped)
{
$parent_id = isset($object['post_parent']) ? $object['post_parent'] : null;
unset($object['post_parent']);
$attachment_id = wp_insert_attachment($object, $cropped);
$metadata = wp_generate_attachment_metadata($attachment_id, $cropped);
if ($parent_id) {
$metadata['attachment_parent'] = $parent_id;
}
$metadata = apply_filters('wp_header_image_attachment_metadata', $metadata);
wp_update_attachment_metadata($attachment_id, $metadata);
return $attachment_id;
}
public function ajax_header_crop()
{
check_ajax_referer('image_editor-' . $_POST['id'], 'nonce');
if (!current_user_can('edit_theme_options')) {
wp_send_json_error();
}
if (!current_theme_supports('custom-header', 'uploads')) {
wp_send_json_error();
}
$crop_details = $_POST['cropDetails'];
$dimensions = $this->get_header_dimensions(array('height' => $crop_details['height'], 'width' => $crop_details['width']));
$attachment_id = absint($_POST['id']);
$cropped = wp_crop_image($attachment_id, (int) $crop_details['x1'], (int) $crop_details['y1'], (int) $crop_details['width'], (int) $crop_details['height'], (int) $dimensions['dst_width'], (int) $dimensions['dst_height']);
if (!$cropped || is_wp_error($cropped)) {
wp_send_json_error(array('message' => __('Image could not be processed. Please go back and try again.')));
}
$cropped = apply_filters('wp_create_file_in_uploads', $cropped, $attachment_id);
$object = $this->create_attachment_object($cropped, $attachment_id);
$previous = $this->get_previous_crop($object);
if ($previous) {
$object['ID'] = $previous;
} else {
unset($object['ID']);
}
$new_attachment_id = $this->insert_attachment($object, $cropped);
$object['attachment_id'] = $new_attachment_id;
$object['url'] = wp_get_attachment_url($new_attachment_id);
$object['width'] = $dimensions['dst_width'];
$object['height'] = $dimensions['dst_height'];
wp_send_json_success($object);
}
public function ajax_header_add()
{
check_ajax_referer('header-add', 'nonce');
if (!current_user_can('edit_theme_options')) {
wp_send_json_error();
}
$attachment_id = absint($_POST['attachment_id']);
if ($attachment_id < 1) {
wp_send_json_error();
}
$key = '_wp_attachment_custom_header_last_used_' . get_stylesheet();
update_post_meta($attachment_id, $key, time());
update_post_meta($attachment_id, '_wp_attachment_is_custom_header', get_stylesheet());
wp_send_json_success();
}
public function ajax_header_remove()
{
check_ajax_referer('header-remove', 'nonce');
if (!current_user_can('edit_theme_options')) {
wp_send_json_error();
}
$attachment_id = absint($_POST['attachment_id']);
if ($attachment_id < 1) {
wp_send_json_error();
}
$key = '_wp_attachment_custom_header_last_used_' . get_stylesheet();
delete_post_meta($attachment_id, $key);
delete_post_meta($attachment_id, '_wp_attachment_is_custom_header', get_stylesheet());
wp_send_json_success();
}
public function customize_set_last_used($wp_customize)
{
$header_image_data_setting = $wp_customize->get_setting('header_image_data');
if (!$header_image_data_setting) {
return;
}
$data = $header_image_data_setting->post_value();
if (!isset($data['attachment_id'])) {
return;
}
$attachment_id = $data['attachment_id'];
$key = '_wp_attachment_custom_header_last_used_' . get_stylesheet();
update_post_meta($attachment_id, $key, time());
}
public function get_default_header_images()
{
$this->process_default_headers();
$default = get_theme_support('custom-header', 'default-image');
if (!$default) {
return $this->default_headers;
}
$default = sprintf($default, get_template_directory_uri(), get_stylesheet_directory_uri());
$already_has_default = false;
foreach ($this->default_headers as $k => $h) {
if ($h['url'] === $default) {
$already_has_default = true;
break;
}
}
if ($already_has_default) {
return $this->default_headers;
}
$header_images = array();
$header_images['default'] = array('url' => $default, 'thumbnail_url' => $default, 'description' => 'Default');
return array_merge($header_images, $this->default_headers);
}
public function get_uploaded_header_images()
{
$header_images = get_uploaded_header_images();
$timestamp_key = '_wp_attachment_custom_header_last_used_' . get_stylesheet();
$alt_text_key = '_wp_attachment_image_alt';
foreach ($header_images as &$header_image) {
$header_meta = get_post_meta($header_image['attachment_id']);
$header_image['timestamp'] = isset($header_meta[$timestamp_key]) ? $header_meta[$timestamp_key] : '';
$header_image['alt_text'] = isset($header_meta[$alt_text_key]) ? $header_meta[$alt_text_key] : '';
}
return $header_images;
}
public function get_previous_crop($object)
{
$header_images = $this->get_uploaded_header_images();
if (empty($header_images)) {
return false;
}
$previous = false;
foreach ($header_images as $image) {
if ($image['attachment_parent'] === $object['post_parent']) {
$previous = $image['attachment_id'];
break;
}
}
return $previous;
}
}