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/*! | |
* jQuery TextChange Plugin | |
* http://www.zurb.com/playground/jquery-text-change-custom-event | |
* | |
* Copyright 2010, ZURB | |
* Released under the MIT License | |
*/ | |
(function ($) { | |
$.event.special.textchange = { | |
setup: function (data, namespaces) { | |
$(this).data('lastValue', this.contentEditable === 'true' ? $(this).html() : $(this).val()); | |
$(this).bind('keyup.textchange', $.event.special.textchange.handler); | |
$(this).bind('cut.textchange paste.textchange input.textchange', $.event.special.textchange.delayedHandler); | |
}, | |
teardown: function (namespaces) { | |
$(this).unbind('.textchange'); | |
}, | |
handler: function (event) { | |
$.event.special.textchange.triggerIfChanged($(this)); | |
}, | |
delayedHandler: function (event) { | |
var element = $(this); | |
setTimeout(function () { | |
$.event.special.textchange.triggerIfChanged(element); | |
}, 25); | |
}, | |
triggerIfChanged: function (element) { | |
var current = element[0].contentEditable === 'true' ? element.html() : element.val(); | |
if (current !== element.data('lastValue')) { | |
element.trigger('textchange', [element.data('lastValue')]); | |
element.data('lastValue', current); | |
} | |
} | |
}; | |
$.event.special.hastext = { | |
setup: function (data, namespaces) { | |
$(this).bind('textchange', $.event.special.hastext.handler); | |
}, | |
teardown: function (namespaces) { | |
$(this).unbind('textchange', $.event.special.hastext.handler); | |
}, | |
handler: function (event, lastValue) { | |
if ((lastValue === '') && lastValue !== $(this).val()) { | |
$(this).trigger('hastext'); | |
} | |
} | |
}; | |
$.event.special.notext = { | |
setup: function (data, namespaces) { | |
$(this).bind('textchange', $.event.special.notext.handler); | |
}, | |
teardown: function (namespaces) { | |
$(this).unbind('textchange', $.event.special.notext.handler); | |
}, | |
handler: function (event, lastValue) { | |
if ($(this).val() === '' && $(this).val() !== lastValue) { | |
$(this).trigger('notext'); | |
} | |
} | |
}; | |
})(jQuery); |
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