Add "Make this tool" button

src/coffee/controllers/craft_page_controller.coffee

@@ -34,6 +34,9 @@ module.exports = class CraftPageController extends PageController
         @modPack     = options.modPack
         @storage     = options.storage
 
+        @model.craftsman.want.on Event.change, => @onWantInventoryChanged()
+        @model.craftsman.have.on Event.change, => @onHaveInventoryChanged()
+
     # Event Methods ################################################################################
 
     onHaveInventoryChanged: ->
@@ -42,30 +45,20 @@ module.exports = class CraftPageController extends PageController
     onMoveNeedToHave: (itemSlug)->
         quantity = @needInventoryController.model.quantityOf itemSlug
         @model.craftsman.have.add itemSlug, quantity
-        @onHaveInventoryChanged()
 
     onRemoveFromHaveInventory: (itemSlug)->
         @model.craftsman.have.remove itemSlug
-        @onHaveInventoryChanged()
 
     onRemoveFromWant: (itemSlug)->
         @model.craftsman.want.remove itemSlug
-        @onWantInventoryChange()
 
-    onStepComplete: (stepController)->
-        step = stepController.model
-        for stack in step.recipe.output
-            @model.craftsman.have.add stack.itemSlug, stack.quantity * step.multiplier
-        @onHaveInventoryChanged()
-
-    onWantInventoryChange: ->
+    onWantInventoryChanged: ->
         text = @model.craftsman.want.unparse()
         url = Url.crafting inventoryText:text
         router.navigate url
 
         if @model.craftsman.want.isEmpty
             @model.craftsman.have.clear()
-            @onHaveInventoryChanged()
 
     # PageController Overrides #####################################################################
 
@@ -87,7 +80,7 @@ module.exports = class CraftPageController extends PageController
             modPack:         @modPack
             firstButtonType: 'remove'
         @wantInventoryController.on Event.button.first, (c, s)=> @onRemoveFromWant(s)
-        @wantInventoryController.on Event.change, (c)=> @onWantInventoryChange()
+        @wantInventoryController.on Event.change, (c)=> @onWantInventoryChanged()
 
         @haveInventoryController = @addChild InventoryController, '.have .view__inventory',
             imageLoader:     @imageLoader
@@ -140,8 +133,31 @@ module.exports = class CraftPageController extends PageController
 
     # Private Methods ################################################################################
 
+    _addTools: (controller)->
+        controller.model.addToolsTo @model.craftsman.want
+
+    _completeStep: (controller)->
+        controller.model.completeInto @model.craftsman.have
+
+    _isAddingToolsPossible: (controller)->
+        tools = controller.model.recipe.tools
+        return false unless tools.length > 0
+
+        have = @model.craftsman.have
+        want = @model.craftsman.want
+
+        for stack in tools
+            return false if have.hasAtLeast stack.itemSlug
+            return false if want.hasAtLeast stack.itemSlug
+
+        return true
+
     _isStepCompletable: (controller)->
-        return not @model.craftsman.want.hasAtLeast controller.model.outputItemSlug
+        recipe = controller.model.recipe
+        for stack in recipe.output
+            return false if @model.craftsman.want.hasAtLeast stack.itemSlug
+
+        return true
 
     _refreshSectionVisibility: ->
         return unless @_rendered
@@ -174,11 +190,13 @@ module.exports = class CraftPageController extends PageController
             controller = @_stepControllers[index]
             if not controller?
                 controller = new StepController
-                    canComplete: (controller)=> @_isStepCompletable(controller)
+                    canAddTools: (controller)=> @_isAddingToolsPossible controller
+                    canComplete: (controller)=> @_isStepCompletable controller
+                    onComplete:  (controller)=> @_completeStep controller
+                    onAddTools:  (controller)=> @_addTools controller
                     imageLoader: @imageLoader
                     model:       step
                     modPack:     @modPack
-                controller.on Event.button.complete, (c)=> @onStepComplete(c)
                 controller.render()
 
                 @$stepsContainer.append controller.$el

src/coffee/controllers/item_selector_controller.coffee

@@ -6,12 +6,12 @@ All rights reserved.
 ###
 
 $                             = require 'jquery'
-BaseController                = require './base_controller'
-ItemSelector                  = require '../models/item_selector'
-ItemSelectorElementController = require './item_selector_element_controller'
 _                             = require 'underscore'
+BaseController                = require './base_controller'
 {Duration}                    = require '../constants'
 {Event}                       = require '../constants'
+ItemSelector                  = require '../models/item_selector'
+ItemSelectorElementController = require './item_selector_element_controller'
 {Key}                         = require '../constants'
 
 ########################################################################################################################

src/coffee/controllers/minimal_recipe_controller.coffee

@@ -55,22 +55,21 @@ module.exports = class MinimalRecipeController extends BaseController
 
     # Property Methods #############################################################################
 
-    getMultiplier: ->
-        @_multiplier ?= 1
-        return @_multiplier
-
-    setMultiplier: (newMultiplier)->
-        oldMultiplier = @_multiplier
-        return if newMultiplier is oldMultiplier
-
-        @_multiplier = newMultiplier
-        @_refreshMultiplier()
-
-        @trigger Event.change + ':multiplier', this, oldMultiplier, newMultiplier
-        @trigger Event.change, this
-
     Object.defineProperties @prototype,
-        multiplier: {get:@prototype.getMultiplier, set:@prototype.setMultiplier}
+        multiplier:
+            get: ->
+                @_multiplier ?= 1
+                return @_multiplier
+
+            set: (newMultiplier)->
+                oldMultiplier = @_multiplier
+                return if newMultiplier is oldMultiplier
+
+                @_multiplier = newMultiplier
+                @_refreshMultiplier()
+
+                @trigger Event.change + ':multiplier', this, oldMultiplier, newMultiplier
+                @trigger Event.change, this
 
     # Backbone.View Methods ########################################################################
 

src/coffee/controllers/step_controller.coffee

@@ -22,15 +22,22 @@ module.exports = class StepController extends BaseController
         options.templateName = 'step'
         super options
 
+        @canAddTools = options.canAddTools or (controller)-> true
         @canComplete = options.canComplete or (controller)-> true
+        @onComplete  = options.onComplete or (controller)-> # do nothing
+        @onAddTools  = options.onAddTools or (controller)-> # do nothing
         @imageLoader = options.imageLoader
         @modPack     = options.modPack
 
     # Event Methods ################################################################################
 
-    onCompleteClicked: (event)->
-        event.preventDefault()
-        @trigger Event.button.complete, this
+    onCompleteButtonClicked: (event)->
+        return if @$completeButton.hasClass 'disabled'
+        @onComplete this
+
+    onToolButtonClicked: (event)->
+        return if @$toolButton.hasClass 'disabled'
+        @onAddTools this
 
     # BaseController Overrides #####################################################################
 
@@ -46,9 +53,10 @@ module.exports = class StepController extends BaseController
             model:       @model.recipe
             modPack:     @modPack
 
-        @$header        = @$('h3')
-        @$completePanel = @$('.complete')
-        @$completeImage = @$('.complete img')
+        @$completeButton  = @$('.button.complete')
+        @$header          = @$('h3')
+        @$toolButton      = @$('.button.tool')
+        @$toolButtonLabel = @$('.button.tool p')
         super
 
     onWillChangeModel: (oldModel, newModel)->
@@ -63,10 +71,8 @@ module.exports = class StepController extends BaseController
         @recipeController.model      = @model.recipe
         @recipeController.multiplier = @model.multiplier
 
-        if @canComplete(this)
-            @$completePanel.addClass 'disabled'
-        else
-            @$completePanel.removeClass 'disabled'
+        @_refreshCompleteButton()
+        @_refreshToolButton()
 
         super
 
@@ -74,4 +80,19 @@ module.exports = class StepController extends BaseController
 
     events: ->
         return _.extend super,
-            'click .complete a': 'onCompleteClicked'
+            'click .button.complete': 'onCompleteButtonClicked'
+            'click .button.tool':     'onToolButtonClicked'
+
+    # Private Methods ##############################################################################
+
+    _refreshToolButton: ->
+        if @canAddTools this
+            @$toolButton.removeClass 'disabled'
+        else
+            @$toolButton.addClass 'disabled'
+
+    _refreshCompleteButton: ->
+        if @canComplete this
+            @$completeButton.removeClass 'disabled'
+        else
+            @$completeButton.addClass 'disabled'