Ticket #3465: custom-header.diff

wp-includes/theme.php

@@ -461 +461 @@
         delete_option("mods_$theme");
 }
 
+function header_textcolor() {
+        echo get_theme_mod('header_textcolor', HEADER_TEXTCOLOR);
+}
+
+function header_image() {
+        echo get_theme_mod('header_image', HEADER_IMAGE);
+}
+
+function add_custom_header_admin_page($admin_header_callback) {
+        if ( ! is_admin() )
+                return;
+        global $customheader;
+        require_once('./custom-header.php');
+        $customheader =& new CustomHeader($admin_header_callback);
+        add_action('admin_menu', array($customheader, 'init'));
+}
+
 ?>
+ No newline at end of file

wp-admin/admin-functions.php

@@ -2045 +2045 @@
                 $file = get_attached_file( $file );
 
         if ( !file_exists( $file ) )
-                return "File '$file' doesn't exist?";
+                return sprintf(__("File '%s' doesn't exist?"), $file);
 
+        if ( ! function_exists('imagecreatefromstring') )
+                return __('The GD image library is not installed.');
+
         $contents = file_get_contents( $file );
 
         $image = imagecreatefromstring( $contents );
 
         if ( !is_resource( $image ) )
-                return "File '$file' is not image?";
+                return sprintf(__("File '%s' is not an image."), $file);
 
         return $image;
 }

wp-admin/custom-header.php

@@ +1 @@
+<?php
+
+class CustomHeader {
+        var $admin_header_callback;
+
+        function CustomHeader($admin_header_callback) {
+                $this->admin_header_callback = $admin_header_callback;
+        }
+
+        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_head-$page", array($this, 'js'), 50);
+                add_action("admin_head-$page", $this->admin_header_callback, 51);
+        }
+
+        function js_includes() {
+                wp_enqueue_script('cropper');
+                wp_enqueue_script('colorpicker');       
+        }
+
+        function js() {
+
+                if ( isset( $_POST['textcolor'] ) ) {
+                        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']) )
+                        remove_theme_mods();
+        ?>
+<script type="text/javascript">
+
+        function onEndCrop( coords, dimensions ) {
+                $( 'x1' ).value = coords.x1;
+                $( 'y1' ).value = coords.y1;
+                $( 'x2' ).value = coords.x2;
+                $( 'y2' ).value = coords.y2;
+                $( 'width' ).value = dimensions.width;
+                $( 'height' ).value = dimensions.height;
+        }
+
+        // with a supplied ratio
+        Event.observe(
+                window,
+                'load',
+                function() {
+                        var xinit = <?php echo HEADER_IMAGE_WIDTH; ?>;
+                        var yinit = <?php echo HEADER_IMAGE_HEIGHT; ?>;
+                        var ratio = xinit / yinit;
+                        var ximg = $('upload').width;
+                        var yimg = $('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
+                                }
+                        )
+                }
+        );
+
+        var cp = new ColorPicker();
+
+        function pickColor(color) {
+                $('name').style.color = color;
+                $('desc').style.color = color;
+                $('textcolor').value = color;
+        }
+        function PopupWindow_hidePopup(magicword) {
+                if ( magicword != 'prettyplease' )
+                        return false;
+                if (this.divName != null) {
+                        if (this.use_gebi) {
+                                document.getElementById(this.divName).style.visibility = "hidden";
+                        }
+                        else if (this.use_css) {
+                                document.all[this.divName].style.visibility = "hidden";
+                        }
+                        else if (this.use_layers) {
+                                document.layers[this.divName].visibility = "hidden";
+                        }
+                }
+                else {
+                        if (this.popupWindow && !this.popupWindow.closed) {
+                                this.popupWindow.close();
+                                this.popupWindow = null;
+                        }
+                }
+                return false;
+        }
+        function colorSelect(t,p) {
+                if ( cp.p == p && document.getElementById(cp.divName).style.visibility != "hidden" ) {
+                        cp.hidePopup('prettyplease');
+                } else {
+                        cp.p = p;
+                        cp.select(t,p);
+                }
+        }
+        function colorDefault() {
+                pickColor('<?php echo HEADER_TEXTCOLOR; ?>');
+        }
+        
+        function hide_text() {
+                $('name').style.display = 'none';
+                $('desc').style.display = 'none';
+                $('pickcolor').style.display = 'none';
+                $('defaultcolor').style.display = 'none';
+                $('textcolor').value = 'blank';
+                $('hidetext').value = '<?php _e('Show Text'); ?>';
+//              $('hidetext').onclick = 'show_text()';
+                Event.observe( $('hidetext'), 'click', show_text );
+        }
+        
+        function show_text() {
+                $('name').style.display = 'block';
+                $('desc').style.display = 'block';
+                $('pickcolor').style.display = 'inline';
+                $('defaultcolor').style.display = 'inline';
+                $('textcolor').value = '<?php echo HEADER_TEXTCOLOR; ?>';
+                $('hidetext').value = '<?php _e('Hide Text'); ?>';
+                Event.stopObserving( $('hidetext'), 'click', show_text );       
+                Event.observe( $('hidetext'), 'click', hide_text );
+        }
+
+        <?php if ( 'blank' == get_theme_mod('header_textcolor', HEADER_TEXTCOLOR) ) { ?>
+Event.observe( window, 'load', hide_text );
+        <?php } ?>
+
+</script>
+<?php
+        }
+
+        function step_1() {
+                if ( $_GET['updated'] ) { ?>
+<div id="message" class="updated fade">
+<p><?php _e('Header updated.') ?></p>
+</div>
+                <?php } ?>
+
+<div class="wrap">
+<h2><?php _e('Your Header Image'); ?></h2>
+<p><?php _e('This is your header image. You can change the text color or upload and crop a new image.'); ?></p>
+
+<div id="headimg" style="background: url(<?php header_image() ?>) no-repeat;">
+<h1><a onclick="return false;" href="<?php bloginfo('url'); ?>" title="<?php bloginfo('name'); ?>" id="name"><?php bloginfo('name'); ?></a></h1>
+<div id="desc"><?php bloginfo('description');?></div>
+</div>
+<?php if ( !defined( 'NO_HEADER_TEXT' ) ) { ?>
+<form method="post" action="/wp-admin/themes.php?page=custom-header&amp;updated=true">
+<input type="button" value="<?php _e('Hide Text'); ?>" onclick="hide_text()" id="hidetext" />
+<input type="button" value="<?php _e('Select a Text Color'); ?>" onclick="colorSelect($('textcolor'), 'pickcolor')" id="pickcolor" /><input type="button" value="<?php _e('Use Original Color'); ?>" onclick="colorDefault()" id="defaultcolor" />
+<input type="hidden" name="textcolor" id="textcolor" value="#<?php header_textcolor() ?>" /><input name="submit" type="submit" value="<?php _e('Save Changes'); ?> &raquo;" /></form>
+<?php } ?>
+
+<div id="colorPickerDiv" style="z-index: 100;background:#eee;border:1px solid #ccc;position:absolute;visibility:hidden;"> </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 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" />
+<p class="submit">
+<input type="submit" value="<?php _e('Upload'); ?> &raquo;" />
+</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 add_query_arg('step', 1) ?>">
+<input type="submit" name="resetheader" value="<?php _e('Restore Original Header'); ?>" />
+</form>
+</div>
+                <?php endif;
+
+        }
+
+        function step_2() {
+                $overrides = array('test_form' => false);
+                $file = wp_handle_upload($_FILES['import'], $overrides);
+
+                if ( isset($file['error']) )
+                die( $file['error'] );
+
+                $url = $file['url'];
+                $file = $file['file'];
+                $filename = basename($file);
+
+                // Construct the object array
+                $object = array(
+                'post_title' => $filename,
+                'post_content' => $url,
+                'post_mime_type' => 'import',
+                'guid' => $url);
+
+                // Save the data
+                $id = wp_insert_attachment($object, $file);
+
+                $upload = array('file' => $file, 'id' => $id);
+
+                list($width, $height, $type, $attr) = getimagesize( $file );
+
+                if ( $width == HEADER_IMAGE_WIDTH && $height == HEADER_IMAGE_HEIGHT ) {
+                        set_theme_mod('header_image', $url);
+                        $header = apply_filters('wp_create_file_in_uploads', $header); // 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); // 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 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">
+<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; ?>" />
+<input type="submit" value="<?php _e('Crop Header &raquo;'); ?>" />
+</p>
+
+</form>
+</div>
+                <?php
+        }
+
+        function step_3() {
+                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'];
+                }
+
+                $header = wp_crop_image($_POST['attachment_id'], $_POST['x1'], $_POST['y1'], $_POST['width'], $_POST['height'], HEADER_IMAGE_WIDTH, HEADER_IMAGE_HEIGHT);
+                $header = apply_filters('wp_create_file_in_uploads', $header); // For replication
+
+                $parent = get_post($_POST['attachment_id']);
+
+                $parent_url = $parent->guid;
+
+                $url = str_replace(basename($parent_url), basename($header), $parent_url);
+
+                set_theme_mod('header_image', $url);
+
+                // cleanup
+                $file = get_attached_file( $_POST['attachment_id'] );
+                $medium = str_replace(basename($file), 'midsize-'.basename($file), $file);
+                @unlink( $medium );
+                apply_filters( 'wp_delete_file', $medium );
+                wp_delete_attachment( $_POST['attachment_id'] );
+
+                return $this->finished();
+        }
+
+        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
+        }
+
+        function admin_page() {
+                if ( !isset( $_GET['step'] ) )
+                        $step = 1;
+                else
+                        $step = (int) $_GET['step'];
+
+                if ( 1 == $step ) {
+                        $this->step_1();
+                } elseif ( 2 == $step ) {
+                        $this->step_2();
+                } elseif ( 3 == $step ) {
+                        $this->step_3();
+                }
+
+        }
+
+}
+?>