47 lines
1.4 KiB
JavaScript
47 lines
1.4 KiB
JavaScript
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var rdash = /\(([^)]*)\)/
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var onDir = Anot.directive('on', {
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priority: 3000,
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init: function(binding) {
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var value = binding.expr
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binding.type = 'on'
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var eventType = binding.param.replace(/-\d+$/, '') // :on-mousemove-10
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if (typeof onDir[eventType + 'Hook'] === 'function') {
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onDir[eventType + 'Hook'](binding)
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}
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if (value.indexOf('(') > 0 && value.indexOf(')') > -1) {
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var matched = (value.match(rdash) || ['', ''])[1].trim()
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if (matched === '' || matched === '$event') {
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// aaa() aaa($event)当成aaa处理
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value = value.replace(rdash, '')
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}
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}
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binding.expr = value
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},
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update: function(callback) {
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var binding = this
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var elem = this.element
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callback = function(e) {
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var fn = binding.getter || noop
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return fn.apply(binding.args[0], binding.args.concat(e))
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}
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var eventType = binding.param.replace(/-\d+$/, '') // :on-mousemove-10
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if (eventType === 'scan') {
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callback.call(elem, {
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type: eventType
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})
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} else if (typeof binding.specialBind === 'function') {
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binding.specialBind(elem, callback)
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} else {
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var removeFn = Anot.bind(elem, eventType, callback)
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}
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binding.rollback = function() {
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if (typeof binding.specialUnbind === 'function') {
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binding.specialUnbind()
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} else {
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Anot.unbind(elem, eventType, removeFn)
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}
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}
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}
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})
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