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oafselect.coffee
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oafselect.coffee
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@OafSelect = class OafSelect
constructor: (@instance) ->
@searchValue = new ReactiveVar()
@updateSearchValue = new ReactiveVar false
@index = new ReactiveVar 0
@selectedItems = new ReactiveVar []
@showDropdown = new ReactiveVar false
@instanceId = "oafselect-#{Random.id()}"
@data = new ReactiveVar @instance.data
@changesTriggeredByUser = 0
@lastIndex = new ReactiveVar()
@subscribe = (args...) => @instance.subscribe args...
@autorun = (fn) => @instance.autorun fn
@instance.autorun =>
if @changesTriggeredByUser > 0
@changesTriggeredByUser--
return
val = @data.get().value
values = if val instanceof Array then val else [val]
values = _.union values
selected = Tracker.nonreactive =>
@getSelectedItems().map (item) -> item.value
newValues = _.difference _.without(values, ''), selected
removedValues = _.difference selected, _.without(values, '')
if @data.get().atts?.multiple
@updateSelectedItems newValues, removedValues
else
@selectItem newValues[0], false if newValues.length
@unselectItem removedValues[0], false if removedValues.length
updateData: (data) -> @data.set data
getControls: ->
container: @instance.$('div.oafselect-container')
inputWrapper: @instance.$('.oafselect-input-wrapper')
selectedItems: @instance.$('.oafselect-selected-item')
input: @instance.$('.oafselect-input')
dropdown: @instance.$('.oafselect-dropdown')
dropdownGroups: @instance.$('.oafselect-dropdown-group')
dropdownItems: @instance.$('.oafselect-dropdown-item')
getOptions: ->
@data.get().atts.oafSelectOptions or {}
getAtts: ->
atts = _.omit @data.get().atts, 'oafSelectOptions'
atts = AutoForm.Utility.addClass atts, 'oafselect-container'
return atts
getCreateText: ->
searchvalue = @getSearchValue()
createText = @getOptions().createText
return unless createText?
return unless searchvalue?
return if searchvalue is ''
createText.call @, searchvalue
createItem: (viewCallback) ->
searchvalue = @getSearchValue()
create = @getOptions().create
return unless create?
return unless searchvalue?
return if searchvalue is ''
callback = (val) =>
Tracker.autorun (computation) =>
return unless val in _.pluck @getFlatItems(true), 'value'
computation.stop()
@selectItem val
viewCallback() if viewCallback?
value = create.call @, searchvalue, callback
callback value if value?
@setShowDropdown false
setShowDropdown: (value) ->
check value, Boolean
return if @showDropdown.get() is value
if value and not @getAtts().multiple
@unselectItem()
@showDropdown.set value
getShowDropdown: ->
thisContainer = $(@instance.firstNode)
visible = @showDropdown.get()
self = this
checkForHide = (event) ->
target = $(event.active)
container = target.closest '.oafselect-container'
return if container.is thisContainer
self.setShowDropdown false
return visible unless @instance.firstNode?
BlurActive.remove @instance.$('input.oafselect-input'), @instanceId
if visible
BlurActive.add @instance.$('input.oafselect-input'),
@instanceId,
checkForHide
return visible
getDropdownItems: ->
searchValue = @getSearchValue()
selected = @getSelectedItems()
selectedIds = selected.map (item) -> item.value
if @getOptions().autocomplete?
showall = false
if @getOptions().autocompleteShowAll?
if typeof @getOptions().autocompleteShowAll is 'function'
showall = @getOptions().autocompleteShowAll()
else
showall = @getOptions().autocompleteShowAll
return [] unless (searchValue? and searchValue isnt '') or showall
# return [] unless searchValue? and searchValue isnt ''
if not showall and @getOptions().autocompleteStartLimit?
return [] if searchValue.length < @getOptions().autocompleteStartLimit
options = @getOptions().autocomplete.call this, searchValue
else
# deep clone options
options = _.values $.extend(true, {}, @data.get().selectOptions)
options = _.reject options, (option) ->
if option.options?
option.options = _.reject option.options, (sub) ->
sub.value in selectedIds
return option.options.length <= 0
option.value in selectedIds
unless @getOptions().autocomplete?
searchOptions = (option) ->
return true unless searchValue?
return true if searchValue is ''
searchValueEscaped = searchValue.replace /[|\\{}()[\]^$+*?.]/g, '\\$&'
regex = new RegExp searchValueEscaped, 'i'
if option.options?
option.options = _.filter option.options, searchOptions
return true if option.options.length > 0
else if option.label?
option.label.match regex
options = _.filter options, searchOptions
if @getOptions().limitItems > 0
count = 0
limit = @getOptions().limitItems
limitOptions = (option) ->
overlimit = false
overlimit = true if count+1 > limit
count++
if option.options?
count--
option.options = _.filter option.options, limitOptions
return !overlimit
options = _.filter options, limitOptions
return @addIndexToOptions options
addIndexToOptions: (options) ->
index = 0
opts = options.map (opt) ->
opt._index = index++
return opt
@lastIndex.set index - 1
return opts
getSelectedItems: ->
@selectedItems.get()
setSearchValue: (value) ->
check value, String
@setIndex 0
@searchValue.set value
getSearchValue: ->
@searchValue.get()
selectItem: (value, triggeredByUser = true) ->
return unless value?
return if value is ''
@updateSearchValue.set true
@setSearchValue ''
items = @getFlatItems true
current = @selectedItems.get()
current = [] unless @data.get().atts?.multiple
for item in items when item.value is value
current.push item
@selectedItems.set current
if not @getAtts().multiple or @getOptions().autoclose
@setShowDropdown false
@changesTriggeredByUser++ if triggeredByUser
form = AutoForm.getCurrentDataForForm(@formId)
if form?.autosave or form?.autosaveOnKeyup
Meteor.setTimeout ->
$("##{form.id}").submit()
, 1
else
Meteor.setTimeout =>
$(@instance.firstNode).find('select').trigger 'change'
, 1
return
unselectItem: (value, triggeredByUser = true) ->
items = @selectedItems.get()
return unless items.length > 0
if value?
items = _.reject items, (item) -> item.value is value
else
items.pop()
@selectedItems.set items
@changesTriggeredByUser++ if triggeredByUser
form = AutoForm.getCurrentDataForForm(@formId)
if form?.autosave or form?.autosaveOnKeyup
$("##{form.id}").submit()
else
$(@instance.firstNode).find('select').trigger 'change'
updateSelectedItems: (newValues, removedValues) ->
return unless newValues.length or removedValues.length
current = Tracker.nonreactive => @selectedItems.get()
for value in removedValues
current = _.reject current, (item) -> item.value is value
items = Tracker.nonreactive => @getFlatItems true
for item in items when item.value in newValues
current.push item
@selectedItems.set current
Meteor.setTimeout =>
$(@instance.firstNode).find('select').trigger 'change'
, 1
getIndex: ->
@index.get()
setIndex: (value) ->
lastIndex = @lastIndex.get()
lastIndex++ if @getCreateText()?
value = 0 if value > lastIndex
value = lastIndex if value < 0
@index.set value
getItemAtIndex: (index) ->
items = @getFlatItems()
return items[index]
getFlatItems: (all) ->
newItems = []
if all
if @getOptions().autocomplete?
items = @getOptions().autocomplete.call this
else
items = @data.get().selectOptions or []
else
items = @getDropdownItems()
items.forEach (root) ->
if root.options?
root.options.forEach (child) ->
newItems.push _.extend child, optgroup: root.label
else
newItems.push root
return @addIndexToOptions newItems