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buttons.coffee
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goog.provide 'wzk.ui.form.buttons'
goog.require 'goog.dom.classes'
goog.require 'wzk.events.lst'
###*
@type {string}
###
wzk.ui.form.buttons.BUTTON_SELECTOR = '.form-btns button.btn.disable-on-submit'
###*
@type {string}
###
wzk.ui.form.buttons.SPINNER_CLS = 'btn-spinner'
###*
@param {Element} btn
@param {wzk.dom.DomHelper} dom
###
wzk.ui.form.buttons.enable = (btn, dom) ->
btn.removeAttribute('disabled')
spinner = dom.cls(wzk.ui.form.buttons.SPINNER_CLS, btn)
if spinner?
dom.removeNode(spinner)
###*
Enables buttons in a given `form`. Removes spinners and disable attributes from buttons.
@param {Element} form
@param {wzk.dom.DomHelper} dom
###
wzk.ui.form.buttons.enableInForm = (form, dom) ->
for btn in dom.all(wzk.ui.form.buttons.BUTTON_SELECTOR, form)
wzk.ui.form.buttons.enable(btn, dom)
###*
@private
@param {wzk.dom.DomHelper} dom
@return {Element}
###
wzk.ui.form.buildSpinner = (dom) ->
dom.el('i', 'fa fa-refresh fa-spin ' + wzk.ui.form.buttons.SPINNER_CLS)
###*
Prevents multi form submission by disabling buttons and adding a spinner into a submitter
@param {Element} form
@param {wzk.dom.DomHelper} dom
###
wzk.ui.form.buttons.preventMultiSubmission = (form, dom) ->
return if goog.dom.classes.has(form, wzk.ui.form.buttons.AJAX_CLS)
btns = dom.all(wzk.ui.form.buttons.BUTTON_SELECTOR, form)
handleClick = (e) ->
btn = (`/** @type {Element} */`) e.currentTarget
if not dom.cls(wzk.ui.form.buttons.SPINNER_CLS, btn)
dom.appendChild(btn, wzk.ui.form.buildSpinner(dom))
if e.target.name?
dom.appendChild(
e.target.parentNode,
dom.el('input', {type: 'hidden', name: e.target.name, value: e.target.value})
)
for btn in btns
wzk.events.lst.onClickOrEnter(btn, handleClick)
handleSubmit = ->
for btn in btns
btn.setAttribute('disabled', true)
goog.events.listen(form, goog.events.EventType.SUBMIT, handleSubmit)