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dTui.editor

TOAST UI Editor 3 integration for Evolution CMS 3.5.7+.

The package replaces the manager rich text editor with a self-hosted TOAST UI Editor build and adds Evolution CMS conveniences on top: EVO resource links, manager image browser support, paste-to-upload images, UML diagrams, syntax highlighting, table merge support, multilingual UI assets, and theme-aware styling for the four Evolution manager themes.

Full dDocs-ready package documentation lives in docs/.

Features

• Markdown and WYSIWYG editing through TOAST UI Editor 3.2.2.
• Automatic rich text editor registration as dTuiEditor.
• Multiple editor fields on the same manager page, including repeated fields with the same legacy selector/name.
• Existing HTML content is converted into editable Markdown on load, then saved back as HTML for Evolution content fields.
• Evolution resource link picker with live resource search and placeholder output such as [~12~].
• Image insertion from the Evolution manager file browser.
• Image insertion from a direct URL through the default TOAST UI image dialog.
• Clipboard image paste and upload into the configured image directory.
• Editable UML diagrams through the TOAST UI UML plugin and a local Evolution route that can adapt PlantUML output for dark themes.
• Code block syntax highlighting through Prism and @toast-ui/editor-plugin-code-syntax-highlight.
• Color syntax, merged table cells, task lists, code blocks, and the standard TOAST UI toolbar.
• Multilingual editor UI packs for the configured manager language.
• Theme modes: auto, lightness, light, dark, and darkness.
• Compact Evolution-friendly toolbar styling.
• Configurable profiles and per-plugin enable flags from the Evolution interface settings.
• Self-hosted JS/CSS assets; no npm build or CDN is required at runtime.

Requirements

• PHP 8.3+
• Evolution CMS 3.5.7+
• Composer 2.2+
• A published assets/plugins/dTui.editor directory

Installation

From the Evolution core directory:

For local package development, the demo can use a Composer path/symlink install, for example:

Then publish the config and assets:

Or publish only one group:

Published files:

• core/custom/config/cms/settings/dTuiEditor.php
• core/custom/config/cms/settings/which_editor.php
• assets/plugins/dTui.editor

After publishing, select dTuiEditor as the rich text editor in Evolution manager settings.

Configuration

The main configuration file is:

Important defaults:

Editor Modes

dTui.editor supports three editor modes through the manager setting dtui_editor_mode, the config key default_editor_mode, or per-field/profile editorMode overrides. This setting chooses the initial state, and the editor renders its own three-button switcher so users can move between modes while editing:

Legacy aliases are normalized: md and markdown-only become markdown, vertical becomes split, and ww or wysiwyg-only become wysiwyg.

Routes used by package features:

The route values are relative to the site base URL and are passed to the browser during editor initialization.

Profiles

Profiles define toolbar options, editor options, and the plugin set used for a field.

Bundled profiles:

• full: full editor with syntax highlight, color syntax, merged table cells, UML, images, and EVO links.
• mini: compact editor with image and EVO link support.
• introtext: smaller editor for short content.
• custom: base profile for project-specific overrides.

The package removes scrollSync from toolbars because it does not fit the Evolution manager layout.

Plugins

All plugins are configured under plugins in dTuiEditor.php and can also be exposed as manager interface settings.

Default plugin state:

The chart assets are only loaded if the chart plugin is enabled and included in the active profile.

EVO Links

The evolinks plugin adds an E toolbar button. It opens an Evolution resource picker with search and inserts the selected resource as a link.

Default behavior:

• Search starts after minChars characters.
• Results are loaded from dtui-evo-link-search.
• Output mode is placeholder, so links are saved as Evolution placeholders such as [~2~].
• Placeholders are encoded while TOAST UI edits Markdown and decoded again before saving.

Supported output modes:

• placeholder: saves [~id~].
• relative: saves a site-relative URL.
• absolute: saves an absolute URL.

Images

Images can be inserted in three ways.

1. Paste an image from the clipboard with Ctrl+V or Command+V.
2. Use the default TOAST UI image dialog and paste a direct image URL.
3. Use the custom Img toolbar button to open the Evolution manager image browser.

Clipboard uploads use dtui-image-upload and save files under the configured relative path:

Uploaded filenames are prefixed with dtui- and include a timestamp/hash to avoid collisions. uploadPath is resolved under the Evolution base path and only accepts safe relative path segments.

Set plugins.image.options.pasteUpload to false to disable clipboard uploads while keeping the image picker. Set plugins.image.options.uploadPath to change the upload directory.

UML

The uml plugin adds a toolbar button and supports TOAST UI custom block syntax:

`

In light themes, diagrams use the configured PlantUML renderer directly. In dark and darkness, dTui.editor routes diagrams through:

That route decodes the PlantUML payload, injects a dark PlantUML skin, re-encodes the diagram, and redirects to the configured renderer. Invalid UML payloads return 404.

dTui.editor keeps UML editable after save. TOAST UI runtime UML blocks are stored as a normal image plus the original PlantUML source:

data-uml stores the original PlantUML source as base64url. When the resource is opened again, the package restores it back to $$uml ... $$ before the editor is shown, so diagrams are not one-way image exports.

Use plugins.uml.options.rendererURL to change the PlantUML renderer. Set plugins.uml.options.darkTheme to false to always use that renderer directly.

Code Highlighting

Code highlighting is enabled through Prism. Use fenced code blocks with a language name:

`

Bundled Prism assets are intentionally limited to common web/content languages: HTML/XML, CSS, SCSS, JavaScript, TypeScript, PHP, Blade, SQL, JSON, Markdown, Bash, and YAML. The package uses the lean TOAST UI code syntax plugin with a local Prism highlighter instead of the all-languages bundle, which keeps Safari and Evolution manager pages responsive. Aliases such as js, ts, laravel-blade, bladephp, md, sh, shell, yml, markup, and xml still work for fenced code blocks without expanding the visible language list.

Dark manager themes remove Prism text shadows so code stays readable inside Evolution's dark editor surface.

Languages

dTui.editor maps Evolution manager languages to TOAST UI language packs.

English is built into TOAST UI. Bundled UI packs include common Evolution manager languages such as uk-UA, ru-RU, de-DE, fr-FR, es-ES, it-IT, pl-PL, pt-BR, ja-JP, ko-KR, and zh-CN. The package first checks fe_editor_lang, then manager_language, then falls back to default_language.

Themes

Supported manager theme modes are auto, lightness, light, dark, and darkness. In auto mode the editor follows the Evolution manager theme through EVO_themeMode and MODX_themeMode cookies/classes. The CSS covers toolbar buttons, EVO link dialogs, editor surfaces, code blocks, and Prism tokens for both dark themes.

HTML and Markdown Roundtrip

Evolution content fields usually store HTML, while TOAST UI edits Markdown internally.

dTui.editor handles that bridge automatically:

• On load, existing HTML is injected with setHTML, so the Markdown pane shows editable Markdown instead of raw tags.
• Before save, editor content is serialized with getHTML.
• EVO placeholders are decoded back from safe editor URLs.
• Broken escaped image Markdown is normalized to <img>.
• TOAST UI runtime attributes such as contenteditable="false" and UML helper tool markup are stripped before the value is written back to the original textarea.

This keeps saved Evolution content clean while still giving editors Markdown/WYSIWYG editing.

JavaScript API

The browser API is exposed as window.dTuiEditor.

Available methods:

boot is called automatically by the Evolution plugin. The other methods are useful for custom manager screens and dynamic field integrations.

Assets

Runtime assets are published to:

The package loads only the assets needed by the active profile/plugin set and deduplicates each CSS/JS file when multiple editor init events run on one page.

When assets change during development, republish them:

Development Smoke Checks

Useful checks before committing package changes:

Route checks against a local demo:

Expected behavior:

• Valid PlantUML input returns a redirect to the configured renderer.
• Invalid PlantUML input returns 404.
• Unauthenticated POST requests to dtui-image-upload return 403.

Notes

• TOAST UI chart support is included but disabled by default.
• The package is designed for Evolution manager forms and rich text editor events, not for public frontend rendering.
• If the Evolution image browser is unavailable, the package can fall back to MCPUK when configured.