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December 12, 2015 07:48
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CoffeeScript version done with js2coffee and some manual formatting ^ ^ )
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nonEmpty = (x) -> x and x.length > 0 | |
isChrome = navigator.userAgent.toLowerCase().indexOf("chrome") > -1 | |
Bacon.UI = {} | |
Bacon.UI.textFieldValue = (textfield, initValue) -> | |
getValue = -> | |
textfield.val() | |
autofillPoller = -> | |
if textfield.attr("type") is "password" | |
Bacon.interval 100 | |
else if isChrome | |
Bacon.interval(100).take(20).map(getValue).filter(nonEmpty).take 1 | |
else | |
Bacon.never() | |
textfield.val initValue if initValue isnt null | |
textfield.asEventStream("keyup input").merge(textfield.asEventStream("cut paste").delay(1)).merge(autofillPoller()).map(getValue).toProperty(getValue()).skipDuplicates() | |
Bacon.UI.optionValue = (option) -> | |
getValue = -> | |
option.val() | |
option.asEventStream("change").map(getValue).toProperty getValue() | |
Bacon.UI.checkBoxGroupValue = (checkboxes, initValue) -> | |
selectedValues = -> | |
checkboxes.filter(":checked").map((i, elem) -> | |
$(elem).val() | |
).toArray() | |
if initValue | |
checkboxes.each (i, elem) -> | |
$(elem).attr "checked", initValue.indexOf($(elem).val()) >= 0 | |
checkboxes.asEventStream("click").map(selectedValues).toProperty selectedValues() | |
Bacon.UI.ajax = (params) -> | |
Bacon.fromPromise $.ajax(params) | |
Bacon.Observable::awaiting = (response) -> | |
@map(true).merge(response.map(false)).toProperty(false).skipDuplicates() | |
Bacon.EventStream::ajax = -> | |
this["switch"] Bacon.UI.ajax | |
Bacon.UI.radioGroupValue = (radioButtons, init) -> | |
if init? | |
radioButtons.each (i, elem) -> | |
$(elem).attr 'checked', true if elem.value is init | |
else init = radioButtons.filter(':checked').first().val() | |
radioButtons.asEventStream('change').map((e) -> e.target.value).toProperty init | |
Bacon.UI.checkBoxValue = (checkbox, initValue) -> | |
isChecked = -> | |
!!checkbox.attr("checked") | |
checkbox.attr "checked", initValue if initValue isnt null | |
checkbox.asEventStream("change").map(isChecked).toProperty(isChecked()).skipDuplicates() | |
Bacon.UI.hash = (defaultValue) -> | |
defaultValue = "" if defaultValue is undefined | |
getHash = -> | |
(if !!document.location.hash then document.location.hash else defaultValue) | |
$(window).asEventStream("hashchange").map(getHash).toProperty(getHash()).skipDuplicates() |
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Done )