@kattrali Crafting iOS Dev Tools in Redcar, the Ruby Editor Delisa Mason 

@kattrali 

(Obligatory Adorable Animal) 

A journey to find better editors for Ruby 

@kattrali Why I like Redcar • It is written in Ruby • It is an editor for Ruby • Open source • Easily extensible • Lightweight • It was open source TextMate before TextMate was open source 

@kattrali Features • Source control integration • Support for TextMate bundles • Fast project navigation between files and methods • Ability to run shell commands and process the output • Syntax checking 

@kattrali So many features! • Two-way communication between javascript and ruby in embedded web views • Evaluates Ruby code in a REPL and change the editor itself in real time • Easy to test new feature ideas • Excellent RubyMotion support! ΁(◕. ◕ ΁ʣ 

@kattrali Under the Hood • Runs on JRuby • Uses Standard Widget Toolkit for GUI bindings • Adds functionality by composition • Everything is a plugin 

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@kattrali Plugin Format 

@kattrali Plugin Specification # plugin.rb Plugin.define do name "HTML View" version "0.3.2" object "Redcar::HtmlView" file "lib", "html_view" dependencies "core", ">0", "application", ">0", "application_swt", ">0", "edit_view", ">0" end 

@kattrali Event Hooks self.menus # Define Menu and Submenu Items self.keymaps # Define Keyboard Shortcuts for Menu Items self.toolbars # Define Toolbar Items and Icons self.storage # Define Settings and Defaults self.before_save # Perform an action before saving a tab self.after_save # Perform an action after saving a tab self.templates # Define File Templates under File > New... 

@kattrali Composing a Plugin module Redcar class TaskManager # ... class Controller include HtmlController # mix in core models to add functionality def title # override default method implementations "Tasks" end def index render :index end end end end 

@kattrali My Redcar plugins • help • web_bookmarks • tab_pane • line_tools • miniview • templates • groovy support • code-package-view • runnable • terminal • vimly • hotswap • inline documentation • storytracker • clipboard viewer • web bookmarks • grails integration • highlight-line • rubymotion 

iOS Development 

Xcode 

Xcode 

@kattrali Redcar and RubyMotion together at last 

Develop Ruby Apps in a Ruby editor written in Ruby 

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@kattrali Developing RubyMotion features for Redcar • Only 1,000 lines of code • Makes use of AppleScript for iOS Simulator manipulation • Uses SWT bindings for autocompletion http://cloc.sourceforge.net v 1.56 T=0.5 s (32.0 files/s, 2640.0 lines/s) ------------------------------------------------------------------------------- Language files blank comment code ------------------------------------------------------------------------------- Ruby 16 151 76 1093 ------------------------------------------------------------------------------- SUM: 16 151 76 1093 ------------------------------------------------------------------------------- 

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@kattrali Redcar RubyMotion Features • Build, Run and Test Projects • Inline syntax checking for MacRuby • Inline documentation lookup • View RubyMotion and iOS reference centers • Send support tickets • Save and install custom templates • View documentation for focused or selected text • Resource Manager pane for adding, removing and viewing project resources • Autocompletion of classes, method names, disturbingly long constants • Deploy and manage beta builds with TestFlight 

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Resource Management 

Autocompletion 

Documentation Reference (with ClamShell) 

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@kattrali Installation and upgrade • Download and drop into ~/.redcar/plugins • git checkout alternate branches for experimental features • Restart Redcar 

Future Plans for Redcar+RubyMotion 1.0+ • Stable integrated debugger • Commands for attaching profiling tools to a running application (e.g. Instruments) • Smarter autocompletion • Static analysis for Ruby • Better snippets and templates • More testing support 

Real World Applications? 

KanaGo, now in the App Store 

KanjiGo, also in the App Store 

@kattrali Questions?