Initial implementation of the InventoryController

src/scripts/controllers/inventory_controller.coffee

@@ -0,0 +1,164 @@
+###
+Crafting Guide - inventory_controller.coffee
+
+Copyright (c) 2014-2015 by Redwood Labs
+All rights reserved.
+###
+
+BaseController  = require './base_controller'
+{Duration}      = require '../constants'
+{Key}           = require '../constants'
+StackController = require './stack_controller'
+
+########################################################################################################################
+
+module.exports = class InventoryController extends BaseController
+
+    @ONLY_DIGITS = /^[0-9]*$/
+
+    constructor: (options={})->
+        if not options.model? then throw new Error 'options.model is required'
+        if not options.modPack? then throw new Error 'options.modPack is required'
+
+        options.icon         ?= '/images/chest_front.png'
+        options.editable     ?= true
+        options.templateName  = 'inventory'
+        options.title        ?= 'Inventory'
+        super options
+
+        @editable = options.editable
+        @icon     = options.icon
+        @modPack  = options.modPack
+        @title    = options.title
+
+        @_stackControllers = []
+
+        @listenTo @modPack, 'change', => @refresh()
+
+    # Event Methods ################################################################################
+
+    onAddButtonClicked: ->
+        item = @modPack.findItemByName @$nameField.val()
+        return unless item?
+
+        @model.add item.slug, parseInt(@$quantityField.val())
+        @$nameField.val ''
+        @$quantityField.val '1'
+
+        @$scrollbox.scrollTop @$scrollbox.prop 'scrollHeight'
+
+    onClearButtonClicked: ->
+        @model.clear()
+
+    onNameFieldBlur: ->
+        item = @modPack.findItemByName @$nameField.val()
+        @$nameField.val if item? then item.name else ''
+        @onNameFieldChanged()
+
+    onNameFieldChanged: ->
+        item = @modPack.findItemByName @$nameField.val()
+        @_updateButtonState()
+
+    onNameFieldFocused: ->
+        @$nameField.val ''
+        @$nameField.autocomplete('search')
+
+    onNameFieldKeyUp: (event)->
+        if event.which is Key.Return
+            @onAddButtonClicked()
+
+    onQuantityFieldBlur: ->
+        value = @$quantityField.val().replace /[^0-9]/g, ''
+        if value.length is 0 then value = '1'
+        @$quantityField.val value
+        @onQuantityFieldChanged()
+
+    onQuantityFieldChanged: ->
+        if not @$quantityField.val().match /^[0-9]*$/
+            @$quantityField.addClass 'error', 0
+            @$quantityField.addClass 'error-new', 0
+            @$quantityField.removeClass 'error-new', Duration.slow
+            @$quantityField.focus()
+            return
+
+        @$quantityField.removeClass 'error', Duration.fast
+        @$quantityField.removeClass 'error-new', Duration.fast
+        @_updateButtonState()
+
+    # BaseController Overrides #####################################################################
+
+    onDidRender: ->
+        @$addButton     = @$('button[name="add"]')
+        @$clearButton   = @$('button[name="clear"]')
+        @$icon          = @$('.icon')
+        @$editPanel     = @$('.edit')
+        @$nameField     = @$('input[name="name"]')
+        @$quantityField = @$('input[name="quantity"]')
+        @$scrollbox     = @$('.scrollbox')
+        @$table         = @$('table')
+        @$title         = @$('.title')
+        super
+
+    refresh: ->
+        display = if @editable then 'block' else 'none'
+        @$clearButton.css display:(if @editable then 'block' else 'none')
+        @$editPanel.css display:(if @editable then 'table-row' else 'none')
+
+        @$icon.attr 'src', @icon
+        @$title.html @title
+
+        if _.isEmpty(@$quantityField.val()) then @$quantityField.val '1'
+
+        @$table.find('tr:not(:last-child)').remove()
+        $lastRow = @$table.find 'tr:last-child'
+        @_stackControllers = []
+        @model.each (stack)=>
+            options =
+                model:   stack
+                modPack: @modPack
+                onRemove: if not @editable then null else (stack)=> @_removeStack(stack)
+
+            controller = new StackController options
+            controller.render()
+            controller.$el.insertBefore $lastRow
+            @_stackControllers.push controller
+
+        @_updateNameAutocomplete()
+        @_updateButtonState()
+
+        super
+
+    # Backbone.View Overrides ######################################################################
+
+    events:
+        'blur input[name="name"]':      'onNameFieldBlur'
+        'blur input[name="quantity"]':  'onQuantityFieldBlur'
+        'click button[name="add"]':     'onAddButtonClicked'
+        'click button[name="clear"]':   'onClearButtonClicked'
+        'focus input[name="name"]':     'onNameFieldFocused'
+        'input input[name="name"]':     'onNameFieldChanged'
+        'input input[name="quantity"]': 'onQuantityFieldChanged'
+        'keyup input[name="name"]':     'onNameFieldKeyUp'
+
+    # Private Methods ##############################################################################
+
+    _removeStack: (stack)->
+
+    _updateNameAutocomplete: ->
+        onChanged = => @onNameFieldChanged()
+
+        @$nameField.autocomplete
+            source:    @modPack.gatherRecipeNames()
+            delay:     0
+            minLength: 0
+            change:    onChanged
+            close:     onChanged
+            select:    onChanged
+
+    _updateButtonState: ->
+        if @model.isEmpty then @$clearButton.attr('disabled', 'disabled') else @$clearButton.removeAttr('disabled')
+
+        itemValid     = @modPack.findItemByName(@$nameField.val())?
+        quantityValid = @$quantityField.val().match(InventoryController.ONLY_DIGITS)
+        disable       = not (itemValid and quantityValid)
+        if disable then @$addButton.attr('disabled', 'disabled') else @$addButton.removeAttr('disabled')

src/scripts/controllers/item_page_controller.coffee

@@ -7,8 +7,9 @@ All rights reserved.
 
 BaseController          = require './base_controller'
 CraftingTableController = require './crafting_table_controller'
-ItemPage             = require '../models/item_page'
-ModPackController = require './mod_pack_controller'
+InventoryController     = require './inventory_controller'
+ItemPage                = require '../models/item_page'
+ModPackController       = require './mod_pack_controller'
 
 ########################################################################################################################
 
@@ -28,6 +29,17 @@ module.exports = class ItemPageController extends BaseController
     # BaseController Overrides #####################################################################
 
     onDidRender: ->
+        options = model:@model.table.have, modPack:@model.modPack, editable:true
+        @haveController = @addChild InventoryController, '.view__inventory.have', options
+
+        options =
+            editable: false
+            icon:     '/images/workbench_top.png',
+            model:    @model.table.want,
+            modPack:  @model.modPack,
+            title:    'Items to Craft'
+        @wantController = @addChild InventoryController, '.view__inventory.want', options
+
         @modPackController = @addChild ModPackController, '.view__mod_pack', model:@model.modPack
         @tableController = @addChild CraftingTableController, '.view__crafting_table', model:@model.table
         super

src/scripts/models/crafting_table.coffee

@@ -21,6 +21,7 @@ module.exports = class CraftingTable extends BaseModel
         attributes.includingTools ?= false
         attributes.have           ?= new Inventory
         attributes.plan           ?= null
+        attributes.want           ?= new Inventory
         super attributes, options
 
     # Public Methods ###############################################################################

src/scripts/models/inventory.coffee

@@ -44,6 +44,7 @@ module.exports = class Inventory extends BaseModel
     clear: ->
         @_stacks = {}
         @_slugs = []
+        @trigger 'change', self
 
     clone: ->
         inventory = new Inventory