Release 5.1.16

25th April 2018 at 3:56pm

Improved CodeMirror Plugins

The CodeMirror plugin has undergone a substantial rewrite, with many new improvements:

Upgrade to CodeMirror version v5.37.0
Now modularised into:
- Base plugin: basic lightweight configuration, approximately 240KB
- Add-on plugins:
  - Search and Replace
  - Auto-completion
  - Fullscreen editing
  - Auto-close brackets
  - Auto-close tags
  - SublimeText keymap
  - Emacs keymap
  - Vim keymap
  - Highlighting modes: Javascript, Xml, Html (htmlmixed), Html (htmlembedded), Css, Markdown, X-Tiddlywiki
Automatic configuration (the configuration tiddler is not needed anymore)
- - CodeMirror (engine.js) builds the configuration using information within the installed CodeMirror plugins
New control panel configuration tab:
- Line numbers
- Theme:
  - Editor font family (same as native TiddlyWiki)
  - Cursor settings
  - Line wrapping
- Active line highlighting
  - Autocompletion on/off (if installed)
- Keymap

New Dynaview Plugin makes it possible to build user interfaces that dynamically respond to changes in scrolling or zooming
Improved Text-Slicer Plugin with customisable JSON rules
Updated KaTeX Plugin to latest v0.9.0

New and improved translations:

New Slovenian translation
New Português (Brasil) translation
Improved Dutch translation
Improved French translation
Improved German translation
Improved Traditional and Simplified Chinese translations
- These translations now also reset the minimum search length to one character

Added new DiffTextWidget, and integrated it into the import listing and as a preview pane
Added selectable previews to the import listing
Added new editor toolbar buttons for wrapping the selection with double square and curly brackets
Added new sortan Operator for sorting alphanumeric values such as "Apple 6", "Apple 7", "Apple 8", "Apple 9", "Apple 10", "Apple 20", "Apple 30", "Apple 100"
Improved default fonts for readability as advised by GitHub
Added an editor toolbar button for stamping fragments of formulae for the KaTeX Plugin
Simplified the page scrolling behaviour: navigating to a tiddler now scrolls the top of the tiddler to the top of the viewport
Added WidgetMessage: tm-copy-to-clipboard and also copy-to-clipboard Macro for copying text directly to the clipboard
Added a hint to the field list dropdown
Added a control panel setting for the default tab in the More sidebar
Added a control panel setting for the titles of new tiddlers
Added "rotate left" button to bitmap editor toolbar
Improved criteria under which certain editor toolbar buttons are displayed
Added support for a minimum length for the new tag field before the dropdown is shown
Improved consistency and reusability of the palette, language and theme switchers
Added support for retaining tab content in the tabs Macro
Added support for adding links via the enter key

Added support for comparison operators to the RevealWidget
Added support for StartupActions to execute action widgets at startup
Extended ServerCommand to allow the port number to be specified as an environment variable
Added screen width/height to platform information exposed at startup
Extended DroppableWidget to pass modifier keys in a variable
Extended DraggableWidget with actions for drag start and drag end
Added a new TaskManagementExample (Draggable)
Added new 'Stylesheets' tab to control panel
Added new 'emptyMessage' parameter to list-links Macro and list-tagged-draggable Macro
Added new th-page-refreshed hook
Enhanced macro evaluation by making parameters available as variables - see "Parameters as Variables" in Macro Definitions in WikiText
Enhanced LinkWidget to allow better customisation of CSS classes
Added new "value" suffix for the each Operator
Added new subtiddler attribute to the SetWidget
Added new subtiddlerfields Operator for extracting the fields from tiddlers within plugins
Added ability to trigger actions on unchecking the CheckboxWidget
Added support for a checked class to the RadioWidget
Extended the is Operator to allow multiple types to be specified
Added data attributes to ViewTemplate (see Custom data-styles)
Added new RangeWidget

Removed superfluous list item at the end of list-links-draggable macro
Fixed problem with the content area of vertical tabs sometimes overflowing their right hand margin
Fixed problem with double quotes within the new journal template
Fixed problem with dragging inside a textarea
Fixed usage of "default" attribute of SelectWidget when "index" attribute is used
Fixed problem with crash when dragging over TiddlyWiki on some browsers
Fixed issue with new journal button
Fixed problem with filter and value attributes of SetWidget
Fixed problem with numeric operands in the Extended Listops Filters
Fixed problem with "put" saver and 412 return codes
Fixed problem with variable references in field values in the edit template
Extended behaviour of list-after field so that the tiddler is placed at the end of the list if the list-after field is present but empty

Added plugin-priority field to core plugins
Fixed problems with plugin ordering
Several optimisations to the tiddler store:
- Avoiding slow Object.keys calls - saving 50% of some operations
- Optimising the tag filter - saving 50% on some tag operations
- Minor improvements to tiddler deletion
Added support for custom boot paths
Added new navigation hooks: th-cancelling-tiddler, th-new-tiddler and th-renaming-tiddler
Added new hook when the HTTP server starts th-server-command-post-start

@Jermolene would like to thank the contributors to this release who have generously given their time to help improve TiddlyWiki: