141 lines
3.0 KiB
PHP
141 lines
3.0 KiB
PHP
<?php namespace Backend\FormWidgets;
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use Html;
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use Markdown;
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use BackendAuth;
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use Backend\Classes\FormWidgetBase;
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/**
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* Code Editor
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* Renders a code editor field.
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*
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* @package october\backend
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* @author Alexey Bobkov, Samuel Georges
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*/
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class MarkdownEditor extends FormWidgetBase
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{
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//
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// Configurable properties
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//
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/**
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* @var string Display mode: split, tab.
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*/
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public $mode = 'tab';
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/**
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* @var bool Render preview with safe markdown.
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*/
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public $safe = false;
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/**
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* @var bool If true, the editor is set to read-only mode
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*/
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public $readOnly = false;
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/**
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* @var bool If true, the editor is set to read-only mode
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*/
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public $disabled = false;
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//
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// Object properties
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//
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/**
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* {@inheritDoc}
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*/
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protected $defaultAlias = 'markdown';
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/**
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* {@inheritDoc}
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*/
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public function init()
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{
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$this->fillFromConfig([
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'mode',
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'safe',
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'readOnly',
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'disabled',
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]);
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}
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/**
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* {@inheritDoc}
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*/
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public function render()
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{
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$this->prepareVars();
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return $this->makePartial('markdowneditor');
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}
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/**
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* Prepares the widget data
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*/
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public function prepareVars()
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{
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$this->vars['mode'] = $this->mode;
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$this->vars['stretch'] = $this->formField->stretch;
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$this->vars['size'] = $this->formField->size;
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$this->vars['name'] = $this->getFieldName();
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$this->vars['value'] = $this->getLoadValue();
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$this->vars['readOnly'] = $this->readOnly;
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$this->vars['disabled'] = $this->disabled;
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$this->vars['useMediaManager'] = BackendAuth::getUser()->hasAccess('media.manage_media');
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}
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/**
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* {@inheritDoc}
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*/
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protected function loadAssets()
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{
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$this->addCss('css/markdowneditor.css', 'core');
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$this->addJs('js/markdowneditor.js', 'core');
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$this->addJs('/modules/backend/formwidgets/codeeditor/assets/js/build-min.js', 'core');
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}
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/**
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* Check to see if the generated HTML should be cleaned to remove any potential XSS
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*
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* @return boolean
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*/
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protected function shouldCleanHtml()
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{
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$user = BackendAuth::getUser();
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return !$user || !$user->hasAccess('backend.allow_unsafe_markdown');
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}
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/**
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* {@inheritDoc}
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*/
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public function getSaveValue($value)
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{
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if ($this->shouldCleanHtml()) {
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$value = Html::clean($value);
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}
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return $value;
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}
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/**
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* AJAX handler to render the markdown as HTML
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*
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* @return array ['preview' => $generatedHTML]
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*/
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public function onRefresh()
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{
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$value = post($this->getFieldName());
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$previewHtml = $this->safe
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? Markdown::parseSafe($value)
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: Markdown::parse($value);
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if ($this->shouldCleanHtml()) {
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$previewHtml = Html::clean($previewHtml);
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}
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return [
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'preview' => $previewHtml
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];
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}
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}
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