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/* ===================================================
* jQuery SelectAll plugin
* ===================================================
* @author: https://gist.github.com/Leegorous
* @license: Licensed under the Apache License, Version 2.0 (the "License"),
* see http://www.apache.org/licenses/LICENSE-2.0
* ===================================================
*
* Example:
*
* HTML >>
* <div class="container">
* <div class="toolbar">
* <input type="checkbox" class="selector-all" /> ALL/None
* </div>
* <div class="row">
* <input type="checkbox" class="selector" /> Sth bala bala...
* </div>
* <!-- repeat .row -->
* </div>
*
*
* JS >>
* $('.container').selectAll({
* selectorAll: '.selector-all'
* , selector: '.selector'
* , controller: $('.container')
* })
*
* All options are optional.
*
* When user click on the the checkboxs, it will fire an event
* named "change:select" on $('.container'), with the following data:
*
* {
* total: 20
* , selected: 1
* }
*
* The "controller" should be an object like this:
* {
* trigger: function(eventName, data) {...}
* }
*/
!(function($) {
$.fn.selectAll = function(options) {
options = options || {}
var ctn = $(this)
, allSel = options.selectorAll || '.selector-all'
, sel = options.selector || '.selector'
function fireEvent(total, selected) {
if (options.controller && typeof options.controller.trigger === "function") {
options.controller.trigger('change:select', {
total: total
, selected: selected
})
}
}
ctn.on('click', allSel, function(evt) {
$(sel, ctn).prop('checked', $(evt.currentTarget).is(':checked'))
fireEvent($(sel, ctn).length, $(sel + ':checked', ctn).length)
})
ctn.on('click', sel, function(evt) {
var selected = $(sel + ':checked', ctn).length
, total = $(sel, ctn).length
$(allSel, ctn).prop('checked', selected === total)
fireEvent(total, selected)
})
return this
}
})(jQuery);

sconts commented Mar 29, 2014

thank you very much.

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