avalon2
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an elegant efficient express mvvm framework
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<a href="../../index.html">all files</a> / <a href="index.html">dom/val/</a> compact.js
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<div class='fl pad1y space-right2'>
<span class="strong">100% </span>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">import { avalon, msie } from '../../seed/core'
import { getDuplexType } from './getDuplexType'
import { getOption } from './option.compact'
export { getOption, getDuplexType }
var valHooks = {
'option:get': msie ? <span class="branch-0 cbranch-no" title="branch not covered" >getOption </span>: function (node) {
return node.value
},
'select:get': function (node, value) {
var option, options = node.options,
index = node.selectedIndex,
getter = valHooks['option:get'],
one = node.type === 'select-one' || index < 0,
values = one ? null : [],
max = one ? index + 1 : options.length,
i = index < 0 ? <span class="branch-0 cbranch-no" title="branch not covered" >max </span>: one ? index : 0
for (; i < max; i++) {
option = options[i]
//IE6-9在reset后不会改变selected，需要改用i === index判定
//我们过滤所有disabled的option元素，但在safari5下，
//如果设置optgroup为disable，那么其所有孩子都disable
//因此当一个元素为disable，需要检测其是否显式设置了disable及其父节点的disable情况
if ((option.selected || i === index) && !option.disabled &&
(!option.parentNode.disabled || option.parentNode.tagName !== 'OPTGROUP')
) {
value = getter(option)
if (one) {
return value
}
//收集所有selected值组成数组返回
values.push(value)
}
}
return values
},
'select:set': function (node, values, optionSet) {
values = [].concat(values) //强制转换为数组
var getter = valHooks['option:get']
for (var i = 0, el; el = node.options[i++];) {
if ((el.selected = values.indexOf(getter(el)) > -1)) {
optionSet = true
}
}
if (!optionSet) {
node.selectedIndex = -1
}
}
}
avalon.fn.val = function (value) {
var node = this[0]
<span class="missing-if-branch" title="else path not taken" >E</span>if (node && node.nodeType === 1) {
var get = arguments.length === 0
var access = get ? ':get' : ':set'
var fn = valHooks[getDuplexType(node) + access]
if (fn) {
var val = fn(node, value)
} else if (get) {
return (node.value || <span class="branch-1 cbranch-no" title="branch not covered" >'')</span>.replace(/\r/g, '')
} else {
node.value = value
}
}
return get ? val : this
}</pre></td></tr>
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Code coverage
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