Add better support for turning mods on/off

* Make the Minecraft "mod" enabled at all times
* Sort the list of mods to move required mods to the top
* Automatically enable a mod which has a recipe selected (e.g., from
  a query param)

src/data/applied_energetics.json

@@ -11,7 +11,7 @@
             "tools": ["Crafting Table"]
         }, {
             "output": [[1, "Quartz Cutting Knife"]],
-            "input": [[1, "Iron"], [2, "Stick"], [2, "Certus Quartz"]],
+            "input": [[1, "Iron Ingot"], [2, "Stick"], [2, "Certus Quartz"]],
             "tools": ["Crafting Table"]
         }, 	{
             "output": [[1, "Basic Processor Assembly"]],

src/scripts/constants.coffee

@@ -35,6 +35,10 @@ exports.Opacity = Opacity = {}
 Opacity.hidden  = 1e-6
 Opacity.shown   = 1
 
+exports.RequiredMods = [
+    'Minecraft'
+]
+
 exports.UrlParam        = UrlParam = {}
 UrlParam.quantity       = 'count'
 UrlParam.recipe         = 'recipeName'

src/scripts/controllers/crafting_table_controller.coffee

@@ -110,10 +110,12 @@ module.exports = class CraftingTableController extends BaseController
     _craft: ->
         if @model.catalog.hasRecipe @model.name
             router.navigate "/item/#{encodeURIComponent(@model.name)}"
-            @model.craft()
         else
             router.navigate "/item"
 
+        @model.craft()
+        @refresh()
+
     _updateNameAutocomplete: ->
         onChanged = => @onNameFieldChanged()
 

src/scripts/controllers/recipe_book_controller.coffee

@@ -6,6 +6,7 @@
 ###
 
 BaseController = require './base_controller'
+{RequiredMods} = require '../constants'
 
 ########################################################################################################################
 
@@ -32,7 +33,13 @@ module.exports = class RecipeBookController extends BaseController
         super
 
     refresh: ->
-        if @model.enabled then @$enabled.attr('checked', 'checked') else @$enabled.removeAttr('checked')
+        if @model.modName in RequiredMods
+            @$enabled.attr 'checked', 'checked'
+            @$enabled.attr 'disabled', 'disabled'
+        else
+            @$enabled.removeAttr 'disabled'
+            if @model.enabled then @$enabled.attr('checked', 'checked') else @$enabled.removeAttr('checked')
+
         @$name.html "#{@model.modName} (#{@model.modVersion})"
         @$description.html "#{@model.description}"
 

src/scripts/models/crafting_table.coffee

@@ -26,13 +26,15 @@ module.exports = class CraftingTable extends BaseModel
     # Public Methods ###############################################################################
 
     craft: ->
-        if not @name?.length
+        if not @catalog.hasRecipe @name
             @plan = null
             return
 
         toolPhrase = if @includingTools then ' includingTools' else ''
         logger.verbose "calculating build plan for #{@quantity} #{@name}#{toolPhrase} with inventory: #{@have}"
 
+        @catalog.enableBooksForRecipe @name
+
         plan = new CraftingPlan @catalog, @includingTools
         plan.includingTools = @includingTools
         plan.craft @name, @quantity, @have

src/scripts/models/recipe_book.coffee

@@ -6,6 +6,7 @@
 ###
 
 BaseModel = require './base_model'
+{RequiredMods} = require '../constants'
 
 ########################################################################################################################
 
@@ -17,7 +18,7 @@ module.exports = class RecipeBook extends BaseModel
 
         attributes.description ?= ''
         attributes.recipes     ?= []
-        attributes.enabled     ?= true
+        attributes.enabled     ?= attributes.modName in RequiredMods
         super attributes, options
 
     # Public Methods ###############################################################################

src/scripts/models/recipe_catalog.coffee

@@ -8,6 +8,7 @@
 BaseModel        = require './base_model'
 {Event}          = require '../constants'
 RecipeBookParser = require './recipe_book_parser'
+{RequiredMods}   = require '../constants'
 
 ########################################################################################################################
 
@@ -21,6 +22,12 @@ module.exports = class RecipeCatalog extends BaseModel
 
     # Public Methods ###############################################################################
 
+    enableBooksForRecipe: (name)->
+        for book in @books
+            continue if book.enabled
+            if book.hasRecipe name
+                book.enabled = true
+
     gatherNames: ->
         nameData = {}
         for book in @books
@@ -59,9 +66,7 @@ module.exports = class RecipeCatalog extends BaseModel
     loadBookData: (data)->
         book = @_parser.parse data
         @books.push book
-        @books.sort (a, b)->
-            return 0 if a.modName is b.modName
-            return if a.modName < b.modName then -1 else +1
+        @_sortBooks()
         book.on Event.change, => @trigger Event.change, this
 
         return book
@@ -96,3 +101,19 @@ module.exports = class RecipeCatalog extends BaseModel
 
     toString: ->
         return "RecipeCatalog (#{@cid}) {books:#{@books.length} items}"
+
+    _sortBooks:->
+        @books.sort (a, b)->
+            if a.modName is b.modName then return 0
+
+            aRequired = a.modName in RequiredMods
+            bRequired = b.modName in RequiredMods
+
+            if aRequired and bRequired
+                return if a.modName < b.modName then -1 else +1
+            else if aRequired
+                return -1
+            else if bRequired
+                return +1
+            else
+                return if a.modName < b.modName then -1 else +1