D support added to RSyntaxTextArea

September 13th, 2014

RSyntaxTextArea now supports syntax highlighting and code folding for D.  Nestable comments are handled properly.  The screenshot below shows some of D’s unique syntax features:

D syntax highlighting

D syntax highlighting

Dart Support added to RSyntaxTextArea

September 1st, 2014

Syntax highlighting and code folding has just been added for Dart.  Dart aficionados, clone the RSTA repo and let me know if I’ve missed anything with the highlighting!

Dart Support

Dart Support

RSyntaxTextArea: Paste from Clipboard History

August 29th, 2014

Just committed to Git is a new feature:  Clipboard History.  Pressing Ctrl+Shift+V (Cmd+Shift+V on OS X) will cause the “clipboard history” popup to appear below the current caret position:

Clipboard History

Clipboard History

This popup displays the most recent snippets of text added to the clipboard.  This allows you to paste any text that was *recently* on the clipboard, not just what’s *currently* in the clipboard buffer.  This is pretty useful if you’re a frequent copy-paster.

The clipboard history is implemented as a singleton instance of the org.fife.ui.rtextarea.ClipboardHistory class.  You can access it, but currently the only interesting thing you can do is set its maximum size.  By default, it only remembers the 12 most recent entries on the clipboard that can be interpreted as plain text.

RSyntaxTextArea in a JavaFX app

August 5th, 2014

While I’ll certainly not put much time into learning JavaFX, I did poke around at it a little, and it is a nice API.  It’s better designed than Swing, and easier to write clean code in.  In any case, I decided to see how RSyntaxTextArea worked in a JavaFX app, now that JavaFX 8 “fully” supports embedding Swing components into JavaFX apps.

It was pretty easy to do, and at first glance, worked great:

RSTA in JavaFX

RSTA in JavaFX

However, I hit a big snag:  When I resized the window, (what seemed like) every other repaint resulted in everything *but* the Swing content being unpainted!

RSTA in JavaFX - Flicker

RSTA in JavaFX – Flicker

I say every other repaint, because slowly resizing the window you would see constant flicker, between blackness instead of JavaFX rendering, and the JavaFX goodness you were supposed to see.

I took out the RSyntaxTextArea, this does not happen.  So this does not seem to occur in JavaFX apps with no Swing embedded in them.

I added in a JButton instead of the RSyntaxTextArea.  The flicker did not happen.  So it seems to not be all Swing content that does this.

I replaced the JButton with a JTextArea.  The flicker came back.  Okay, so it’s only *certain* Swing components.

Note that there is flicker with stand-alone JTextAreas/RSyntaxTextAreas; JScrollPanes don’t have to be in the equation to see this issue.

So what’s the deal?  Somehow certain Swing content causes the JavaFX rendering pipeline to bug out.

RText 2.5.3 Released!

July 22nd, 2014

RText 2.5.3 was released on GitHub!  Precompiled binaries for major OSes are on SourceForge, as usual.  Here’s what’s new:

  1. JavaScript macros now work with Java 8+, in addition to Java 6 and 7 (updates to support Nashorn properly).
  2. Improvements to PHP syntax highlighting.
  3. In HTML and XML, “mark occurrences” should match tag names even when the caret is in an attribute, not just when it is in the tag name itself.
  4. Java syntax highlighting updated for Java 8 classes, interfaces, and enums.
  5. SQL: Matching opening/closing parens are now highlighted.
  6. Groovy macros now use Groovy 2.3.3.

 

RSyntaxTextArea 2.5.3 Released!

June 29th, 2014

RSyntaxTextArea 2.5.3 was just released on GitHub!  Here’s what’s new:

RSyntaxTextArea:

  1. Improvements to PHP syntax highlighting.
  2. In HTML and XML, “mark occurrences” should match tag names even when the caret is in an attribute, not just when it is in the tag name itself.
  3. Java syntax highlighting updated for Java 8 classes, interfaces, and enums.
  4. SQL: matching opening/closing parens are now highlighted.
  5. Fixed several bugs.

AutoComplete:

  • Only minor changes to support/stay in sync with RSyntaxTextArea 2.5.3.

RSTAUI:

  • Only minor changes to support/stay in sync with RSyntaxTextArea 2.5.3.

RSTALanguageSupport:

  1. Improvements to CSS code completion.
  2. Improvements to PHP code completion.  Documentation for many functions is now included.
  3. JavaScriptOutlineTree now understands basic JavaScript OO paradigms much better.

SpellChecker:

  • Only minor changes to support/stay in sync with RSyntaxTextArea 2.5.3.

TokenMakerMaker:

  • Added “Recent Files” sub-menu to the File menu.
  • Added an option to install a theme on the RSTA editor when previewing changes to a TokenMaker.
  • Bumped version number in the About dialog to “1.0″ to match that in the documentation.

Enjoy!

 

JavaScript Outline Tree is getting smarter

June 8th, 2014

The JavaScriptOutlineTree class is getting smarter in the next release of RSTALanguageSupport.

As previously reported a little while ago, the outline tree has recently been able to recognize JS classes created by defining members on a prototype.  That functionality has just been extended in a couple of ways:  first, defining an entire prototype at once is now handled correctly (e.g. adding all fields to a prototype at once):

Recognizing prototypes

Recognizing prototypes

Next, Object.create() is parsed properly; all property descriptors passed in as the second argument to the method are properly added to the desired prototype:

Recognizing Object.create()

Recognizing Object.create()

Further, as the JS parser is smart enough to figure this stuff out now, you can quickly navigate to these newly-identified class members via Ctrl+Shift+O.  Pretty nice!

Only a couple of new things might get added before the next release – code completion for built-in objects such as Math, Object, JSON, etc.  Beyond that, I’d like to add some form of language support for Angular and possibly jQuery, but we’ll see.  As a large part of the JS language support was written by someone other than myself, who hasn’t been active recently, it might take a little bit of time for me to figure out the best way to add such features in (the JS language support is currently designed to support code completion for server-side scripting as well as browser-based JS work, so things aren’t as simple as they might seem).

RText 2.5.2 Released

March 14th, 2014

RText 2.5.2 has been released on SourceForge and GitHub!  This release primarily brings the goodness from the RSTA libraries’ 2.5.2 update.  Here’s what’s new:

  • You can now configure RText to use JSHint for JavaScript error checking.
  • Added .htaccess file syntax highlighting.
  • Auto-indentation improved for file types with multiple “languages,” for example, CSS and JavaScript in an HTML file.
  • Updated RSyntaxTextArea libraries to 2.5.2.

Enjoy!

RSyntaxTextArea 2.5.2 Released!

March 9th, 2014

RSyntaxTexArea 2.5.2 was just released on GitHub!  Here’s what’s new:

RSyntaxTextArea:

  1. Whether or not curly braces denote code blocks is now handled on a language-index level, not per TokenMaker. This means TokenMakers such as HTML, JSP, and PHP can provide auto-indentation and curly brace closing for ‘sub-languages’ such as JSP and CSS.
  2. Java syntax highlighting updated for Java 8 classes, interfaces, and enums.
  3. Added “mark occurrences” support for HTML.
  4. Curly braces can now be automatically closed when editing CSS.
  5. The SearchEngine class now automatically selects the next match after a Replace operation.
  6. Fixed errors when loading/saving Theme XML.
  7. Fixed several bugs.

AutoComplete:

  • Only minor changes to support/stay in sync with RSyntaxTextArea 2.5.2.

RSTAUI:

  • After doing a “replace” operation with the Replace tool bar, the next valid replacement region is selected in the editor.

RSTALanguageSupport:

  1. The JavaScript language support can now use JSHint for its squiggle underlining of errors and warnings. A .jshintrc file can be specified to override the default JSHint behavior.
  2. CSS code completion.
  3. Fixing bug in XML outline tree for XML files with DTDs specified.

The SpellChecker library was not updated; the 2.5.1 release is still the most current, and is compatible with RSTA 2.5.2.  The idea is that the most recent 2.5.x versions of all of the sister libraries are all compatible with one another.

Enjoy!

JSHint integration and more JS features in Language Support

February 7th, 2014

There are a few handy new features coming for JavaScript developers in RSTALanguageSupport.

Probably the coolest feature is JSHint integration.  By default, the JS support uses Rhino to provide syntax checking, code completion, and an outline tree view of code.  This continues to be the case, but you can now configure RSTA to use JSHint for syntax checking (code completion and outline views are still handled via the AST created by Rhino).  To do this, you can use the following new methods in the JavaScriptLanguageSupport class:

LanguageSupportFactory lsf = LanguageSupportFactory.get();
JavaScriptLanguageSupport jspf = (JavaScriptLanguageSupport)lsf.getSupportFor(SyntaxConstants.SYNTAX_STYLE_JAVASCRIPT);
jspf.setErrorParser(JsErrorParser.JSHINT);
jspf.setJsHintRCFile(new File("path/to/.jshintrc")); // This is optional

JsErrorParser is a simple enum that allows you to toggle between Rhino and JSHint for error checking.  Once JSHint is enabled, you can optionally point to a .jshintrc file to dictate what errors/warnings should be flagged.  If you don’t do this, JSHint’s defaults are used, but doing so allows you to fully tailor your JS editing experience.

Here’s an example screenshot showing some warnings and errors identified by JSHint, some of which aren’t caught by Rhino:

JSHint Warnings

JSHint Warnings

A word of caution:  currently, the JSHint parser is executed on the EDT.  This means there could be performance issues (most likely just a short pause when the code is re-parsed).  In the next release I plan on rejiggering the RSTA parsing API so such things can be done off the EDT.  But for typical JavaScript files (under a couple of thousand lines) the pause is pretty negligible, and you can always switch back to Rhino in the short term if it is an issue.

Next, the JS outline tree now recognizes JavaScript “classes” built by extending a prototype:

Prototype Support

Prototype Support

This is the first step in making the Outline Tree for JavaScript code smarter and smarter.

Finally, the current function scope of the caret position in a JavaScript file is now outlined in the gutter, similar to what is done for Java.  This is just a small but useful visual cue as to what scope you’re currently working on in the file:

Current Scope in the Gutter

Current Scope in the Gutter

Hopefully the next RSTA/AutoComplete/LanguageSupport release will be in the next couple of weeks.  Look for it soon!