From 26fff7a52e3cf0132ae9864497c15576623ce9cd Mon Sep 17 00:00:00 2001
From: ryan <ryan@1a063a9b-81f0-0310-95a4-ce76da25c4cd>
Date: Wed, 3 Jan 2007 23:49:34 +0000
Subject: [PATCH] Custom Image Header.  fixes #3465

git-svn-id: http://svn.automattic.com/wordpress/trunk@4673 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-admin/custom-header.php | 324 +++++++++++++++++++++++++++++++++++++
 wp-includes/theme.php      |  44 +++++
 2 files changed, 368 insertions(+)
 create mode 100644 wp-admin/custom-header.php

diff --git a/wp-admin/custom-header.php b/wp-admin/custom-header.php
new file mode 100644
index 0000000000..8bdd83d073
--- /dev/null
+++ b/wp-admin/custom-header.php
@@ -0,0 +1,324 @@
+<?php
+
+class Custom_Image_Header {
+	var $admin_header_callback;
+
+	function Custom_Image_Header($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 ( $_GET['updated'] ) { ?>
+<div id="message" class="updated fade">
+<p><?php _e('Header updated.') ?></p>
+</div>
+		<?php } ?>
+
+<div class="wrap">
+<h2><?php _e('Your Header Image'); ?></h2>
+<p><?php _e('This is your header image. You can change the text color or upload and crop a new image.'); ?></p>
+
+<div id="headimg" style="background: url(<?php header_image() ?>) no-repeat;">
+<h1><a onclick="return false;" href="<?php bloginfo('url'); ?>" title="<?php bloginfo('name'); ?>" id="name"><?php bloginfo('name'); ?></a></h1>
+<div id="desc"><?php bloginfo('description');?></div>
+</div>
+<?php if ( !defined( 'NO_HEADER_TEXT' ) ) { ?>
+<form method="post" action="<?php echo get_option('siteurl') ?>/wp-admin/themes.php?page=custom-header&amp;updated=true">
+<input type="button" value="<?php _e('Hide Text'); ?>" onclick="hide_text()" id="hidetext" />
+<input type="button" value="<?php _e('Select a Text Color'); ?>" onclick="colorSelect($('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 ) {
+			$this->step_3();
+		}
+
+	}
+
+}
+?>
diff --git a/wp-includes/theme.php b/wp-includes/theme.php
index 494f9cdfca..25c21dc23d 100644
--- a/wp-includes/theme.php
+++ b/wp-includes/theme.php
@@ -455,10 +455,54 @@ function set_theme_mod($name, $value) {
 	wp_cache_delete("mods_$theme", 'options');
 }
 
+function remove_theme_mod( $name ) {
+	$theme = get_current_theme();
+
+	$mods = get_option("mods_$theme");
+
+	if ( !isset($mods[$name]) )
+		return;
+
+	unset($mods[$name]);
+
+	if ( empty($mods) )
+		return remove_theme_mods();
+
+	update_option("mods_$theme", $mods);
+	wp_cache_delete("mods_$theme", 'options');
+}
+
 function remove_theme_mods() {
 	$theme = get_current_theme();
 
 	delete_option("mods_$theme");
 }
 
+function get_header_textcolor() {
+	return get_theme_mod('header_textcolor', HEADER_TEXTCOLOR);
+}
+
+function header_textcolor() {
+	echo get_header_textcolor();	
+}
+
+function get_header_image() {
+	return get_theme_mod('header_image', HEADER_IMAGE);
+}
+
+function header_image() {
+	echo get_header_image();	
+}
+
+function add_custom_image_header($header_callback, $admin_header_callback) {
+	if ( ! empty($header_callback) )
+		add_action('wp_head', $header_callback);
+
+	if ( ! is_admin() )
+		return;
+	require_once(ABSPATH . 'wp-admin/custom-header.php');
+	$GLOBALS['custom_image_header'] =& new Custom_Image_Header($admin_header_callback);
+	add_action('admin_menu', array(&$GLOBALS['custom_image_header'], 'init'));
+}
+
 ?>
\ No newline at end of file