503 lines
14 KiB
PHP
503 lines
14 KiB
PHP
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<?php namespace ProcessWire;
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/**
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* InputfieldTinyMCEFormats
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*
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* Helper for managing TinyMCE style_formats and related settings
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*
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* ProcessWire 3.x, Copyright 2023 by Ryan Cramer
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* https://processwire.com
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*
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*/
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class InputfieldTinyMCEFormats extends InputfieldTinyMCEClass {
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/**
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* HTML5 inline elements that should be "inline" designation in style_formats
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*
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* Text can be highlighted and then applied to any of these selements from the Styles dropdown.
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* See also: notes in $inlineBlocks variable below.
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*
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* @var string
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*
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*/
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static protected $inlines =
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'/abbr/acronym/b/bdi/bdo/big/br/button/cite/code/' .
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'/del/dfn/em/i/ins/kbd/label/mark/meter/' .
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'/q/s/samp/small/span/strong/' .
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'/sub/sup/time/u/tt/var/wbr/';
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/**
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* HTML5 block elements that should use "block" designation in style_formats
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*
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* These elements can be inserted from Styles dropdown, if defined in style_formats.
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* Block elements not defined here must exist before the style can be applied.
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*
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* @var string
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*
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*/
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static protected $blocks =
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'/h1/h2/h3/h4/h5/h6/p/hr/';
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// '/address/article/aside/blockquote/dd/details/div/dl/dt/' .
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// '/footer/h1/h2/h3/h4/h5/h6/header/hgroup/hr/li/main/nav/ol/p/pre/' .
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// '/section/table/';
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/**
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* HTML5 block or inline elements that should use "selector" designation in style_formats
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*
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* These elements (and any others not defined above) cannot be inserted by selection but
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* existing elements can be applied. For reference only, nothing uses this variable.
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*
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* @var string
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*
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*/
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static protected $inlineBlocks =
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'/a/fieldset/figcaption/figure/form/dialog/form/' .
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'/audio/canvas/data/datalist/img/iframe/embed/input/map/noscript/object/output/' .
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'/picture/progress/ruby/select/slot/svg/template/textarea/video/';
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/**
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* Get block_formats
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*
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* @return string
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*
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*/
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public function getBlockFormats() {
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// 'block_formats' => 'Paragraph=p; Heading 1=h1; Heading 2=h2; Heading 3=h3; Heading 4=h4; Heading 5=h5; Heading 6=h6;',
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$values = array('Paragraph=p;');
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$headlines = $this->inputfield->get('headlines');
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foreach($headlines as $h) {
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$n = ltrim($h, 'h');
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$values[$h] = "Heading $n=$h;";
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}
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return implode(' ', $values);
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}
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/**
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* Get style_formats
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*
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* @param array $defaults
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* @return array|mixed
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*
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*/
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public function getStyleFormats(array $defaults) {
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/*
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'style_formats' => array(
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array(
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'title' => 'Headings',
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'items' => array(
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array('title' => 'Heading 1', 'format' => 'h1'),
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array('title' => 'Heading 2', 'format' => 'h2'),
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array('title' => 'Heading 3', 'format' => 'h3'),
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array('title' => 'Heading 4', 'format' => 'h4'),
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array('title' => 'Heading 5', 'format' => 'h5'),
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array('title' => 'Heading 6', 'format' => 'h6')
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)
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),
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*/
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$headlines = $this->inputfield->headlines;
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$headlines = array_flip($headlines);
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$formats = $defaults['style_formats'];
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foreach($formats as $key => $format) {
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if(!is_array($format)) continue;
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if($format['title'] === 'Headings') {
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foreach($format['items'] as $k => $item) {
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if(empty($item['format'])) continue;
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$tag = $item['format'];
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if(!isset($headlines[$tag])) unset($formats[$key]['items'][$k]);
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}
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$formats[$key]['items'] = array_values($formats[$key]['items']);
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break;
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}
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}
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return $formats;
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}
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/**
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* Merge the given style formats
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*
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* @param array $styleFormats
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* @param array $addFormats
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* @return array
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*
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*/
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public function mergeStyleFormats(array $styleFormats, array $addFormats) {
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$a = array();
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foreach($styleFormats as $value) {
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if(empty($value['title'])) continue;
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$title = $value['title'];
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$a[$title] = $value;
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}
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$styleFormats = $a;
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foreach($addFormats as $value) {
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if(empty($value['title'])) continue;
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$title = $value['title'];
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if(isset($styleFormats[$title])) {
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if(isset($styleFormats[$title]['items'])) {
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if(isset($value['items'])) {
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$styleFormats[$title]['items'] = array_merge($styleFormats[$title]['items'], $value['items']);
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}
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} else {
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$styleFormats[$title] = array(
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'title' => $title,
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'items' => $value,
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);
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}
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} else {
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$styleFormats[$title] = $value;
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}
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}
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return array_values($styleFormats);
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}
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/**
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* Add CSS that converts to style_formats and content_style
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*
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* Easier-to-use alternative to the importcss plugin
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*
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* @param string $css From the styleFormatsCSS setting
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* @param array $settings
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* @param array $defaults
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*
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*/
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public function applyStyleFormatsCSS($css, array &$settings, $defaults) {
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$contentStyle = ''; // output for content_style
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// ensures each CSS rule has its own line
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$css = trim(str_replace('}', "}\n", $css));
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// converts each CSS rule to be on single line with no newlines between "key:value;" rules
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//$css = preg_replace('!\s*([{;:]|/\*|\*/)\s*!s', '\1', $css);
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$css = preg_replace('!\s*([{;:]|/\*)\s*!s', '\1', $css);
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//$css = preg_replace('!\}\s+/\*!s', '}/*', $css);
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$lines = explode("\n", $css);
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$numRemove = 0;
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$formats = array(
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// 'Headings' => array(),
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// 'Blocks' => array(),
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// 'Inline' => array(),
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// 'Align' => array(),
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// 'Other' => array(), // converts to root level (no parent)
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);
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while(count($lines)) {
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$line = array_shift($lines);
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$line = trim($line);
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$title = '';
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if(empty($line)) continue;
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if(strpos($line, '{') && strpos($line, '}') === false) {
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// grab next line if a rule was started but not closed
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$line .= array_shift($lines);
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}
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if(strpos($line, '{') === false) continue; // line does not start a rule
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if(strpos($line, '/*') && preg_match('!/\*(.+)?\*/!', $line, $matches)) {
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// line has comment indicating text label
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$title = trim($matches[1]);
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$line = str_replace($matches[0], '', $line);
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}
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list($selector, $styles) = explode('{', $line, 2);
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list($styles,) = explode('}', $styles, 2);
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$selector = trim($selector);
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if(strpos($selector, '(') !== false) {
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// Alternate title assignment i.e. #Align(Center)
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list($selector, $title2) = explode('(', $selector, 2);
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list($title2, $selector2) = explode(')', $title2, 2);
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$selector = trim("$selector $selector2");
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if(!empty($title2)) $title = trim($title2);
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}
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if(strpos($selector, '#') === 0) {
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// indicates a submenu parent, i.e. #Blocks
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if(strpos($selector, ' ')) {
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list($parent, $selector) = explode(' ', $selector, 2);
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} else {
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list($parent, $selector) = array($selector, '');
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}
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$selector = trim($selector);
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$parent = ucfirst(strtolower(ltrim($parent, '#')));
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} else {
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$parent = 'Other';
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}
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if(strpos($selector, '.') !== false) {
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// element with class, i.e. span.red-text or just .red-text
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list($element, $class) = explode('.', $selector, 2);
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$class = str_replace('.', ' ', $class);
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} else {
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// element only (no class), i.e. ins or del
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$element = $selector;
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$class = '';
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}
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$stylesStr = ''; // minified styles string
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$inlineStyles = array(); // styles to also forced as inline styles on element
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foreach(explode(';', $styles) as $style) {
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// i.e. color: red
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if(strpos($style, ':') === false) continue;
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list($k, $v) = explode(':', $style);
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list($k, $v) = array(trim($k), trim($v));
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if(strtoupper($k) === $k) {
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// uppercase styles i.e. 'COLOR: red' become inline styles of element
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$k = strtolower($k);
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$inlineStyles[$k] = $v;
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}
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$stylesStr .= "$k:$v;";
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}
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$contentStyleSelector = ($class ? "$element." . str_replace(' ', '.', $class) : $element);
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if(stripos($stylesStr, 'display:none') !== false) {
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$numRemove++;
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if(empty($title)) $title = '*'; // indicates remove all in parent
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$remove = true;
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} else {
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$contentStyle .= "$contentStyleSelector { $stylesStr } ";
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$remove = false;
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}
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if(empty($element)) $element = '*';
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$format = array(
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'title' => ($title ? $title : $selector)
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);
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if($remove) {
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$format['remove'] = true;
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} else if(stripos(self::$inlines, "/$element/") !== false) {
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$format['inline'] = $element;
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} else if(strpos(self::$blocks, "/$element/") !== false) {
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$format['block'] = $element;
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} else {
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$format['selector'] = $element;
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}
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if($class) $format['classes'] = $class;
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if(count($inlineStyles)) $format['styles'] = $inlineStyles;
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if(!isset($formats[$parent])) $formats[$parent] = array();
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$formats[$parent][] = $format;
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}
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$styleFormats = array();
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foreach($formats as $parent => $format) {
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if($parent === 'Other') {
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$styleFormats[$parent] = $format;
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} else if(!isset($styleFormats[$parent])) {
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$styleFormats[$parent] = array(
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'title' => $parent,
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'items' => $format,
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);
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}
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}
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$other = isset($styleFormats['Other']) ? $styleFormats['Other'] : array();
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unset($styleFormats['Other']);
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$styleFormats = array_values($styleFormats);
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if(count($other)) $styleFormats = array_merge($styleFormats, $other);
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// add to settings
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if(isset($settings['style_formats'])) {
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$settings['style_formats'] = $this->mergeStyleFormats($settings['style_formats'], $styleFormats);
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} else if(isset($defaults['style_formats'])) {
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$settings['style_formats'] = $this->mergeStyleFormats($defaults['style_formats'], $styleFormats);
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} else {
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$settings['style_formats'] = $styleFormats;
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}
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if(isset($settings['content_style'])) {
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$settings['content_style'] .= $contentStyle;
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} else if(isset($defaults['content_style'])) {
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$settings['content_style'] = $defaults['content_style'] . $contentStyle;
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} else {
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$settings['content_style'] = $contentStyle;
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}
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if($numRemove) {
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$settings['style_formats'] = $this->applyRemoveStyleFormats($settings['style_formats']);
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}
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// reindex to ensure keys remain numeric and in order so json_encode doesn’t use string keys
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$settings['style_formats'] = array_values($settings['style_formats']);
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}
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/**
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* Remove style formats that have a 'remove=true' property
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*
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* @param array $styleFormats
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* @return array
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*
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*/
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protected function applyRemoveStyleFormats(array $styleFormats) {
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foreach($styleFormats as $key => $styleFormat) {
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if(!empty($styleFormat['remove'])) {
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// remove all in format or remove root level format
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unset($styleFormats[$key]);
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continue;
|
|||
|
|
} else if(empty($styleFormat['items'])) {
|
|||
|
|
// root level format with no items
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
$removeTitles = array();
|
|||
|
|
|
|||
|
|
foreach($styleFormat['items'] as $item) {
|
|||
|
|
if(empty($item['remove'])) continue;
|
|||
|
|
$title = strtolower($item['title']);
|
|||
|
|
if($title === '*') {
|
|||
|
|
unset($styleFormats[$key]); // remove all in parent
|
|||
|
|
} else {
|
|||
|
|
$removeTitles[$title] = $title; // remove by title
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if(empty($styleFormats[$key]) || empty($removeTitles)) continue;
|
|||
|
|
|
|||
|
|
foreach($styleFormat['items'] as $itemKey => $item) {
|
|||
|
|
$title = strtolower($item['title']);
|
|||
|
|
if(!isset($removeTitles[$title])) continue;
|
|||
|
|
unset($styleFormats[$key]['items'][$itemKey]); // remove item matching title
|
|||
|
|
if(empty($styleFormats[$key]['items'])) {
|
|||
|
|
unset($styleFormats[$key]); // remove parent when it has no items
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// reindex to prevent json_encode from converting keys to strings
|
|||
|
|
if(isset($styleFormats[$key]['items'])) {
|
|||
|
|
$styleFormats[$key]['items'] = array_values($styleFormats[$key]['items']);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return $styleFormats;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Get TinyMCE "invalid_styles" setting and prepare as array value
|
|||
|
|
*
|
|||
|
|
* Parses value in space-separated string format (commas optional):
|
|||
|
|
* ~~~~~
|
|||
|
|
* line-height, color, a=background|background-color, td=height
|
|||
|
|
* ~~~~~
|
|||
|
|
* In the above, line-height and color are disabled for all elements,
|
|||
|
|
* background and background color are disabled for "a" elements,
|
|||
|
|
* and height is disabled for "td" elements.
|
|||
|
|
*
|
|||
|
|
* @param string|array $value
|
|||
|
|
* @param array|string $defaultValue
|
|||
|
|
* @param bool $merge Merge with given defaultValue?
|
|||
|
|
* @return array|string
|
|||
|
|
*
|
|||
|
|
*/
|
|||
|
|
public function getInvalidStyles($value, $defaultValue, $merge = false) {
|
|||
|
|
|
|||
|
|
if(!is_array($defaultValue)) $defaultValue = array('*' => $defaultValue);
|
|||
|
|
if($value === null) $value = $this->inputfield->invalid_styles;
|
|||
|
|
if($value === 'default') return $defaultValue;
|
|||
|
|
if(is_string($value) && strpos($value, ',') !== false) $value = str_replace(',', ' ', $value);
|
|||
|
|
|
|||
|
|
if($merge) {
|
|||
|
|
if(is_string($defaultValue)) {
|
|||
|
|
$defaultValue = $this->invalidStylesStrToArray($defaultValue);
|
|||
|
|
}
|
|||
|
|
if(is_array($value)) {
|
|||
|
|
$invalidStyles = array_merge($defaultValue, $value);
|
|||
|
|
} else {
|
|||
|
|
$invalidStyles = $this->invalidStylesStrToArray("$value", $defaultValue);
|
|||
|
|
}
|
|||
|
|
} else if(is_array($value)) {
|
|||
|
|
$invalidStyles = $value;
|
|||
|
|
} else {
|
|||
|
|
$invalidStyles = $this->invalidStylesStrToArray("$value");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return $invalidStyles;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Convert invalid_styles string to array
|
|||
|
|
*
|
|||
|
|
* @param string $value i.e. "line-height color a=background|background-color td=height"
|
|||
|
|
* @param array $a Optionally merge with these styles
|
|||
|
|
* @return array
|
|||
|
|
*
|
|||
|
|
*/
|
|||
|
|
public function invalidStylesStrToArray($value, array $a = array()) {
|
|||
|
|
// $value i.e. "line-height color a=background|background-color td=height"
|
|||
|
|
if(strpos($value, ',') !== false) $value = str_replace(',', ' ', $value);
|
|||
|
|
if(strpos($value, "\n") !== false) $value = str_replace("\n", ' ', $value);
|
|||
|
|
foreach(explode(' ', strtolower($value)) as $style) {
|
|||
|
|
if(empty($style)) continue;
|
|||
|
|
if(strpos($style, '=')) {
|
|||
|
|
list($element, $style) = explode('=', $style, 2);
|
|||
|
|
$styleNames = explode('|', $style);
|
|||
|
|
} else {
|
|||
|
|
$element = '*';
|
|||
|
|
$styleNames[] = $style;
|
|||
|
|
}
|
|||
|
|
if(strpos($element, '|')) {
|
|||
|
|
$elements = explode('|', $element);
|
|||
|
|
} else {
|
|||
|
|
$elements = array($element);
|
|||
|
|
}
|
|||
|
|
foreach($elements as $element) {
|
|||
|
|
if(isset($invalidStyles[$element])) {
|
|||
|
|
$a[$element] = array_unique(array_merge($a[$element], $styleNames));
|
|||
|
|
} else {
|
|||
|
|
$a[$element] = $styleNames;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
foreach($a as $element => $styles) {
|
|||
|
|
$a[$element] = implode(' ', $styles); // convert to string
|
|||
|
|
}
|
|||
|
|
return $a;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Convert invalid_styles array to string
|
|||
|
|
*
|
|||
|
|
* @param array $a
|
|||
|
|
* @return string
|
|||
|
|
*
|
|||
|
|
*/
|
|||
|
|
public function invalidStylesArrayToStr(array $a) {
|
|||
|
|
$str = '';
|
|||
|
|
$elementsByStyle = array();
|
|||
|
|
foreach($a as $element => $styles) {
|
|||
|
|
if($element === '*') {
|
|||
|
|
$str .= " $styles";
|
|||
|
|
} else if(strpos($styles, ' ') === false) {
|
|||
|
|
if(!isset($elementsByStyle[$styles])) $elementsByStyle[$styles] = array();
|
|||
|
|
$elementsByStyle[$styles][] = $element;
|
|||
|
|
} else {
|
|||
|
|
$str .= " $element=" . str_replace(' ', '|', $styles);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
foreach($elementsByStyle as $style => $elements) {
|
|||
|
|
$str .= " " . implode('|', $elements) . "=$style";
|
|||
|
|
}
|
|||
|
|
return trim($str);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|