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woocommerce
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implementing emogrifier email css inliner

This commit is contained in:
Patrick Rauland 2014-10-08 15:34:31 -06:00
parent fc630ca203
commit 4b30a2aed5
2 changed files with 26 additions and 167 deletions
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5
includes/class-wc-emails.php
View File

@ -116,6 +116,11 @@ class WC_Emails {
$this->emails['WC_Email_Customer_New_Account'] = include( 'emails/class-wc-email-customer-new-account.php' );
$this->emails = apply_filters( 'woocommerce_email_classes', $this->emails );
// include css inliner
if ( ! class_exists( 'Emogrifier' ) ) {
include_once( 'libraries/class-emogrifier.php' );
}
}
/**

188
includes/emails/class-wc-email.php
View File

@ -158,13 +158,8 @@ class WC_Email extends WC_Settings_API {
// For multipart messages
add_filter( 'phpmailer_init', array( $this, 'handle_multipart' ) );
// For default inline styles
add_filter( 'woocommerce_email_style_inline_tags', array( $this, 'style_inline_tags' ) );
add_filter( 'woocommerce_email_style_inline_h1_tag', array( $this, 'style_inline_h1_tag' ) );
add_filter( 'woocommerce_email_style_inline_h2_tag', array( $this, 'style_inline_h2_tag' ) );
add_filter( 'woocommerce_email_style_inline_h3_tag', array( $this, 'style_inline_h3_tag' ) );
add_filter( 'woocommerce_email_style_inline_a_tag', array( $this, 'style_inline_a_tag' ) );
add_filter( 'woocommerce_email_style_inline_img_tag', array( $this, 'style_inline_img_tag' ) );
// Inline CSS styles for html emails
add_filter( 'woocommerce_mail_content', array( $this, 'style_inline' ), 10 );
}
/**
@ -309,152 +304,12 @@ class WC_Email extends WC_Settings_API {
if ( $this->get_email_type() == 'plain' ) {
$email_content = preg_replace( $this->plain_search, $this->plain_replace, strip_tags( $this->get_content_plain() ) );
} else {
$email_content = $this->style_inline( $this->get_content_html() );
$email_content = $this->get_content_html();
}
return wordwrap( $email_content, 70 );
}
/**
* style_inline_tags function.
*
* @param array $tags
* @return array
*/
public function style_inline_tags( $tags ) {
return array_unique( array_merge( $tags, array( 'h1', 'h2', 'h3', 'a', 'img' ) ) );
}
/**
* style_inline_h1_tag function.
*
* @param array $styles
* @return array
*/
public function style_inline_h1_tag( $styles ) {
$styles['color'] = get_option( 'woocommerce_email_text_color' );
$styles['display'] = 'block';
$styles['font-family'] = 'Arial';
$styles['font-size'] = '34px';
$styles['font-weight'] = 'bold';
$styles['margin-top'] = '10px';
$styles['margin-right'] = '0';
$styles['margin-bottom'] = '10px';
$styles['margin-left'] = '0';
$styles['text-align'] = 'left';
$styles['line-height'] = '150%';
return $styles;
}
/**
* style_inline_h2_tag function.
*
* @param array $styles
* @return array
*/
public function style_inline_h2_tag( $styles ) {
$styles['color'] = get_option( 'woocommerce_email_text_color' );
$styles['display'] = 'block';
$styles['font-family'] = 'Arial';
$styles['font-size'] = '30px';
$styles['font-weight'] = 'bold';
$styles['margin-top'] = '10px';
$styles['margin-right'] = '0';
$styles['margin-bottom'] = '10px';
$styles['margin-left'] = '0';
$styles['text-align'] = 'left';
$styles['line-height'] = '150%';
return $styles;
}
/**
* style_inline_h3_tag function.
*
* @param array $styles
* @return array
*/
public function style_inline_h3_tag( $styles ) {
$styles['color'] = get_option( 'woocommerce_email_text_color' );
$styles['display'] = 'block';
$styles['font-family'] = 'Arial';
$styles['font-size'] = '26px';
$styles['font-weight'] = 'bold';
$styles['margin-top'] = '10px';
$styles['margin-right'] = '0';
$styles['margin-bottom'] = '10px';
$styles['margin-left'] = '0';
$styles['text-align'] = 'left';
$styles['line-height'] = '150%';
return $styles;
}
/**
* @param array $styles
* @return array
*/
public function style_inline_a_tag( $styles ) {
$styles['color'] = get_option( 'woocommerce_email_text_color' );
$styles['font-weight'] = 'normal';
$styles['text-decoration'] = 'underline';
return $styles;
}
/**
* style_inline_img_tag function.
*
* @param array $styles
* @return array
*/
public function style_inline_img_tag( $styles ) {
$styles['display'] = 'inline';
$styles['border'] = 'none';
$styles['font-size'] = '14px';
$styles['font-weight'] = 'bold';
$styles['height'] = 'auto';
$styles['line-height'] = '100%';
$styles['outline'] = 'none';
$styles['text-decoration'] = 'none';
$styles['text-transform'] = 'capitalize';
return $styles;
}
/**
* get_style_inline_tags function.
*
* @return array
*/
public function get_style_inline_tags() {
return apply_filters( 'woocommerce_email_style_inline_tags', array() );
}
/**
* get_style_inline_for_tag function.
*
* @param string $tag
* @return string
*/
public function get_style_inline_for_tag( $tag ) {
$styles = apply_filters( 'woocommerce_email_style_inline_' . $tag . '_tag', array() );
$css = array();
foreach( $styles as $property => $value ) {
$css[] = $property . ':' . $value;
}
return implode('; ', $css);
}
/**
* Apply inline styles to dynamic content.
*
@ -463,27 +318,19 @@ class WC_Email extends WC_Settings_API {
*/
public function style_inline( $content ) {
if ( ! class_exists( 'DOMDocument' ) ) {
return $content;
// make sure we only inline CSS for html emails
if ( 'text/html' == $this->get_content_type() ) {
// get CSS styles
ob_start();
wc_get_template( 'emails/email-styles.php' );
$css = apply_filters( 'woocommerce_email_styles', ob_get_clean() );
// apply CSS styles inline for picky email clients
$emogrifier = new Emogrifier( $content, $css );
$content = $emogrifier->emogrify();
}
$dom = new DOMDocument();
libxml_use_internal_errors( true );
@$dom->loadHTML( $content );
libxml_clear_errors();
foreach( $this->get_style_inline_tags() as $tag ) {
$nodes = $dom->getElementsByTagName($tag);
foreach( $nodes as $node ) {
if ( ! $node->hasAttribute( 'style' ) ) {
$node->setAttribute( 'style', $this->get_style_inline_for_tag($tag) );
}
}
}
$content = $dom->saveHTML();
return $content;
}
@ -535,6 +382,13 @@ class WC_Email extends WC_Settings_API {
add_filter( 'wp_mail_from_name', array( $this, 'get_from_name' ) );
add_filter( 'wp_mail_content_type', array( $this, 'get_content_type' ) );
/**
* Filter all WooCommerce mail content
*
* @hooked inline_styles - 10
*/
$message = apply_filters( 'woocommerce_mail_content', $message );
$return = wp_mail( $to, $subject, $message, $headers, $attachments );
remove_filter( 'wp_mail_from', array( $this, 'get_from_address' ) );