Files
piratepoet/lib/Newsletter/Renderer/StylesHelper.php
2016-05-18 10:00:38 -04:00

104 lines
3.9 KiB
PHP

<?php
namespace MailPoet\Newsletter\Renderer;
class StylesHelper {
static $css_attributes = array(
'backgroundColor' => 'background-color',
'fontColor' => 'color',
'fontFamily' => 'font-family',
'textDecoration' => 'text-decoration',
'textAlign' => 'text-align',
'fontSize' => 'font-size',
'fontWeight' => 'font-weight',
'borderWidth' => 'border-width',
'borderStyle' => 'border-style',
'borderColor' => 'border-color',
'borderRadius' => 'border-radius',
'lineHeight' => 'line-height'
);
static $font = array(
'Arial' => "Arial, 'Helvetica Neue', Helvetica, sans-serif",
'Comic Sans MS' => "'Comic Sans MS', 'Marker Felt-Thin', Arial, sans-serif",
'Courier New' => "'Courier New', Courier, 'Lucida Sans Typewriter', 'Lucida Typewriter', monospace",
'Georgia' => "Georgia, Times, 'Times New Roman', serif",
'Lucida' => "'Lucida Sans Unicode', 'Lucida Grande', sans-serif",
'Tahoma' => 'Tahoma, Verdana, Segoe, sans-serif',
'Times New Roman' => "'Times New Roman', Times, Baskerville, Georgia, serif",
'Trebuchet MS' => "'Trebuchet MS', 'Lucida Grande', 'Lucida Sans Unicode', 'Lucida Sans', Tahoma, sans-serif",
'Verdana' => 'Verdana, Geneva, sans-serif'
);
static $line_height_multiplier = 1.6;
static $heading_margin_multiplier = 0.3;
static $padding_width = 20;
static function getBlockStyles($element, $ignore_specific_styles = false) {
if(!isset($element['styles']['block'])) {
return;
}
return self::getStyles($element['styles'], 'block', $ignore_specific_styles);
}
static function getStyles($data, $type, $ignore_specific_styles = false) {
$styles = array_map(function($attribute, $style) use ($ignore_specific_styles) {
if(!$ignore_specific_styles || !in_array($attribute, $ignore_specific_styles)) {
return self::translateCSSAttribute($attribute) . ': ' . $style . ' !important;';
}
}, array_keys($data[$type]), $data[$type]);
return implode('', $styles);
}
static function translateCSSAttribute($attribute) {
return (array_key_exists($attribute, self::$css_attributes)) ?
self::$css_attributes[$attribute] :
$attribute;
}
static function setStyle($style, $selector) {
$css = $selector . '{' . PHP_EOL;
$style = self::applyHeadingMargin($style, $selector);
$style = self::applyLineHeight($style, $selector);
foreach($style as $attribute => $individual_style) {
$individual_style = self::applyFontFamily($attribute, $individual_style);
$css .= self::translateCSSAttribute($attribute) . ':' . $individual_style . ';' . PHP_EOL;
}
$css .= '}' . PHP_EOL;
return $css;
}
static function applyTextAlignment($block) {
if(is_array($block)) {
$text_alignment = isset($block['styles']['block']['textAlign']) ?
strtolower($block['styles']['block']['textAlign']) :
false;
if(preg_match('/center|right|justify/i', $text_alignment)) {
return $block;
}
$block['styles']['block']['textAlign'] = 'left';
return $block;
}
return (preg_match('/text-align.*?[center|justify|right]/i', $block)) ?
$block :
$block . 'text-align:left;';
}
static function applyFontFamily($attribute, $style) {
if($attribute !== 'fontFamily') return $style;
return (isset(self::$font[$style])) ?
self::$font[$style] :
self::$font['Arial'];
}
static function applyHeadingMargin($style, $selector) {
if(!preg_match('/h[1-4]/i', $selector)) return $style;
$font_size = (int)$style['fontSize'];
$style['margin'] = sprintf('0 0 %spx 0', self::$heading_margin_multiplier * $font_size);
return $style;
}
static function applyLineHeight($style, $selector) {
if(!preg_match('/mailpoet_paragraph|h[1-4]/i', $selector)) return $style;
$font_size = (int)$style['fontSize'];
$style['lineHeight'] = sprintf('%spx', self::$line_height_multiplier * $font_size);
return $style;
}
}