<?php /** * The custom header image script. * * @package WordPress * @subpackage Administration */ /** * The custom header image class. * * @since unknown * @package WordPress * @subpackage Administration */ class Custom_Image_Header { /** * Callback for administration header. * * @var callback * @since unknown * @access private */ var $admin_header_callback; /** * PHP4 Constructor - Register administration header callback. * * @since unknown * @param callback $admin_header_callback * @return Custom_Image_Header */ function Custom_Image_Header($admin_header_callback) { $this->admin_header_callback = $admin_header_callback; } /** * Setup the hooks for the Custom Header admin page. * * @since unknown */ function init() { $page = add_theme_page(__('Custom Image Header'), __('Custom Image Header'), 'edit_themes', 'custom-header', array(&$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('cropper'); } /** * Setup the enqueue for the CSS files * * @since 2.7 */ function css_includes() { $step = $this->step(); if ( 1 == $step ) { wp_enqueue_style('farbtastic'); } } /** * 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() { ?> <script type="text/javascript"> var buttons = ['#name', '#desc', '#pickcolor', '#defaultcolor']; var farbtastic; function pickColor(color) { jQuery('#name').css('color', color); jQuery('#desc').css('color', color); jQuery('#textcolor').val(color); farbtastic.setColor(color); } jQuery(document).ready(function() { jQuery('#pickcolor').click(function() { jQuery('#colorPickerDiv').show(); }); jQuery('#hidetext').click(function() { toggle_text(); }); farbtastic = jQuery.farbtastic('#colorPickerDiv', function(color) { pickColor(color); }); pickColor('#<?php echo get_theme_mod('header_textcolor', HEADER_TEXTCOLOR); ?>'); <?php if ( 'blank' == get_theme_mod('header_textcolor', HEADER_TEXTCOLOR) ) { ?> toggle_text(); <?php } ?> }); jQuery(document).mousedown(function(){ // Make the picker disappear, since we're using it in an independant div hide_picker(); }); function colorDefault() { pickColor('#<?php echo HEADER_TEXTCOLOR; ?>'); } function hide_picker(what) { var update = false; jQuery('#colorPickerDiv').each(function(){ var id = jQuery(this).attr('id'); if (id == what) { return; } var display = jQuery(this).css('display'); if (display == 'block') { jQuery(this).fadeOut(2); } }); } function toggle_text(force) { if(jQuery('#textcolor').val() == 'blank') { //Show text jQuery( buttons.toString() ).show(); jQuery('#textcolor').val('<?php echo HEADER_TEXTCOLOR; ?>'); jQuery('#hidetext').val('<?php _e('Hide Text'); ?>'); } else { //Hide text jQuery( buttons.toString() ).hide(); jQuery('#textcolor').val('blank'); jQuery('#hidetext').val('<?php _e('Show Text'); ?>'); } } </script> <?php } /** * Display Javascript based on Step 2. * * @since unknown */ function js_2() { ?> <script type="text/javascript"> function onEndCrop( coords, dimensions ) { jQuery( '#x1' ).val(coords.x1); jQuery( '#y1' ).val(coords.y1); jQuery( '#x2' ).val(coords.x2); jQuery( '#y2' ).val(coords.y2); jQuery( '#width' ).val(dimensions.width); jQuery( '#height' ).val(dimensions.height); } // with a supplied ratio jQuery(document).ready(function() { var xinit = <?php echo HEADER_IMAGE_WIDTH; ?>; var yinit = <?php echo HEADER_IMAGE_HEIGHT; ?>; var ratio = xinit / yinit; var ximg = jQuery('#upload').width(); var yimg = jQuery('#upload').height(); if ( yimg < yinit || ximg < xinit ) { if ( ximg / yimg > ratio ) { yinit = yimg; xinit = yinit * ratio; } else { xinit = ximg; yinit = xinit / ratio; } } new Cropper.Img( 'upload', { ratioDim: { x: xinit, y: yinit }, displayOnInit: true, onEndCrop: onEndCrop } ) }); </script> <?php } /** * Display first step of custom header image page. * * @since unknown */ function step_1() { if ( $_GET['updated'] ) { ?> <div id="message" class="updated fade"> <p><?php _e('Header updated.') ?></p> </div> <?php } ?> <div class="wrap"> <h2><?php _e('Your Header Image'); ?></h2> <p><?php _e('This is your header image. You can change the text color or upload and crop a new image.'); ?></p> <div id="headimg" style="background-image: url(<?php clean_url(header_image()) ?>);"> <h1><a onclick="return false;" href="<?php bloginfo('url'); ?>" title="<?php bloginfo('name'); ?>" id="name"><?php bloginfo('name'); ?></a></h1> <div id="desc"><?php bloginfo('description');?></div> </div> <?php if ( !defined( 'NO_HEADER_TEXT' ) ) { ?> <form method="post" action="<?php echo admin_url('themes.php?page=custom-header&updated=true') ?>"> <input type="button" value="<?php _e('Hide Text'); ?>" onclick="hide_text()" id="hidetext" /> <input type="button" value="<?php _e('Select a Text Color'); ?>" id="pickcolor" /><input type="button" value="<?php _e('Use Original Color'); ?>" onclick="colorDefault()" id="defaultcolor" /> <?php wp_nonce_field('custom-header') ?> <input type="hidden" name="textcolor" id="textcolor" value="#<?php attribute_escape(header_textcolor()) ?>" /><input name="submit" type="submit" value="<?php _e('Save Changes'); ?>" /></form> <?php } ?> <div id="colorPickerDiv" style="z-index: 100;background:#eee;border:1px solid #ccc;position:absolute;display:none;"> </div> </div> <div class="wrap"> <h2><?php _e('Upload New Header Image'); ?></h2><p><?php _e('Here you can upload a custom header image to be shown at the top of your blog instead of the default one. On the next screen you will be able to crop the image.'); ?></p> <p><?php printf(__('Images of exactly <strong>%1$d x %2$d pixels</strong> will be used as-is.'), HEADER_IMAGE_WIDTH, HEADER_IMAGE_HEIGHT); ?></p> <form enctype="multipart/form-data" id="uploadForm" method="POST" action="<?php echo attribute_escape(add_query_arg('step', 2)) ?>" style="margin: auto; width: 50%;"> <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') ?> <p class="submit"> <input type="submit" value="<?php _e('Upload'); ?>" /> </p> </form> </div> <?php if ( get_theme_mod('header_image') || get_theme_mod('header_textcolor') ) : ?> <div class="wrap"> <h2><?php _e('Reset Header Image and Color'); ?></h2> <p><?php _e('This will restore the original header image and color. You will not be able to retrieve any customizations.') ?></p> <form method="post" action="<?php echo attribute_escape(add_query_arg('step', 1)) ?>"> <?php wp_nonce_field('custom-header'); ?> <input type="submit" name="resetheader" value="<?php _e('Restore Original Header'); ?>" /> </form> </div> <?php endif; } /** * Display second step of custom header image page. * * @since unknown */ function step_2() { check_admin_referer('custom-header'); $overrides = array('test_form' => 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, $file ) ); set_theme_mod('header_image', clean_url($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)); $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; } ?> <div class="wrap"> <form method="POST" action="<?php echo attribute_escape(add_query_arg('step', 3)) ?>"> <p><?php _e('Choose the part of the image you want to use as your header.'); ?></p> <div id="testWrap" style="position: relative"> <img src="<?php echo $url; ?>" id="upload" width="<?php echo $width; ?>" height="<?php echo $height; ?>" /> </div> <p class="submit"> <input type="hidden" name="x1" id="x1" /> <input type="hidden" name="y1" id="y1" /> <input type="hidden" name="x2" id="x2" /> <input type="hidden" name="y2" id="y2" /> <input type="hidden" name="width" id="width" /> <input type="hidden" name="height" id="height" /> <input type="hidden" name="attachment_id" id="attachment_id" value="<?php echo $id; ?>" /> <input type="hidden" name="oitar" id="oitar" value="<?php echo $oitar; ?>" /> <?php wp_nonce_field('custom-header') ?> <input type="submit" value="<?php _e('Crop Header'); ?>" /> </p> </form> </div> <?php } /** * Display third step of custom header image page. * * @since unknown */ function step_3() { check_admin_referer('custom-header'); 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']; } $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); $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() { ?> <div class="wrap"> <h2><?php _e('Header complete!'); ?></h2> <p><?php _e('Visit your site and you should see the new header now.'); ?></p> </div> <?php } /** * 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(); } } ?>