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/css/</a> share.js
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<div class='fl pad1y space-right2'>
<span class="strong">100% </span>
<span class="quiet">Statements</span>
<span class='fraction'>132/132</span>
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<span class="strong">98% </span>
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<span class="strong">100% </span>
<span class="quiet">Lines</span>
<span class='fraction'>132/132</span>
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<span class="strong">33 statements, 2 functions, 36 branches</span>
<span class="quiet">Ignored</span>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">import { avalon, oneObject, cssHooks, window } from '../../seed/core'
var cssMap = {
'float': 'cssFloat'
}
export {
cssMap,
cssHooks
}
avalon.cssNumber = oneObject('animationIterationCount,columnCount,order,flex,flexGrow,flexShrink,fillOpacity,fontWeight,lineHeight,opacity,orphans,widows,zIndex,zoom')
var prefixes = ['', '-webkit-', '-o-', '-moz-', '-ms-']
/* istanbul ignore next */
avalon.cssName = function (name, host, camelCase) {
if (cssMap[name]) {
return cssMap[name]
}
host = host || avalon.root.style || <span class="branch-2 cbranch-skip" title="branch not covered" >{}</span>
for (var i = 0, n = prefixes.length; i < n; i++) {
camelCase = avalon.camelize(prefixes[i] + name)
<span class="skip-if-branch" title="else path not taken" >E</span>if (camelCase in host) {
return (cssMap[name] = camelCase)
}
}
<span class="cstat-skip" title="statement not covered" > return null</span>
}
/* istanbul ignore next */
avalon.css = function (node, name, value, fn) {
//读写删除元素节点的样式
if (node instanceof avalon) {
node = node[0]
}
<span class="skip-if-branch" title="if path not taken" >I</span>if (node.nodeType !== 1) {
<span class="cstat-skip" title="statement not covered" > return</span>
}
var prop = avalon.camelize(name)
name = avalon.cssName(prop) || /* istanbul ignore next*/ <span class="branch-1 cbranch-skip" title="branch not covered" >prop</span>
if (value === void 0 || typeof value === 'boolean') { //获取样式
fn = cssHooks[prop + ':get'] || cssHooks['@:get']
<span class="skip-if-branch" title="if path not taken" >I</span>if (name === 'background') {
<span class="cstat-skip" title="statement not covered" > name = 'backgroundColor'</span>
}
var val = fn(node, name)
return value === true ? parseFloat(val) || 0 : val
} else if (value === '') { //请除样式
node.style[name] = ''
} else { //设置样式
<span class="skip-if-branch" title="if path not taken" >I</span>if (value == null || value !== value) {
<span class="cstat-skip" title="statement not covered" > return</span>
}
if (isFinite(value) && !avalon.cssNumber[prop]) {
value += 'px'
}
fn = cssHooks[prop + ':set'] || cssHooks['@:set']
fn(node, name, value)
}
}
/* istanbul ignore next */
avalon.fn.css = function (name, value) {
<span class="skip-if-branch" title="if path not taken" >I</span>if (avalon.isPlainObject(name)) {
<span class="cstat-skip" title="statement not covered" > for (var i in name) {</span>
<span class="cstat-skip" title="statement not covered" > avalon.css(this, i, name[i])</span>
}
} else {
var ret = avalon.css(this, name, value)
}
return ret !== void 0 ? ret : this
}
/* istanbul ignore next */
avalon.fn.position = function () {
var offsetParent, offset,
elem = this[0],
parentOffset = {
top: 0,
left: 0
}
<span class="skip-if-branch" title="if path not taken" >I</span>if (!elem) {
<span class="cstat-skip" title="statement not covered" > return parentOffset</span>
}
<span class="skip-if-branch" title="if path not taken" >I</span>if (this.css('position') === 'fixed') {
<span class="cstat-skip" title="statement not covered" > offset = elem.getBoundingClientRect()</span>
} else {
offsetParent = this.offsetParent() //得到真正的offsetParent
offset = this.offset() // 得到正确的offsetParent
<span class="skip-if-branch" title="if path not taken" >I</span>if (offsetParent[0].tagName !== 'HTML') {
<span class="cstat-skip" title="statement not covered" > parentOffset = offsetParent.offset()</span>
}
parentOffset.top += avalon.css(offsetParent[0], 'borderTopWidth', true)
parentOffset.left += avalon.css(offsetParent[0], 'borderLeftWidth', true)
// Subtract offsetParent scroll positions
parentOffset.top -= offsetParent.scrollTop()
parentOffset.left -= offsetParent.scrollLeft()
}
return {
top: offset.top - parentOffset.top - avalon.css(elem, 'marginTop', true),
left: offset.left - parentOffset.left - avalon.css(elem, 'marginLeft', true)
}
}
/* istanbul ignore next */
avalon.fn.offsetParent = function () {
var offsetParent = this[0].offsetParent
while (offsetParent && <span class="branch-1 cbranch-skip" title="branch not covered" >avalon.css(offsetParent, 'position') === 'static')</span> {
<span class="cstat-skip" title="statement not covered" > offsetParent = offsetParent.offsetParent</span>
}
return avalon(offsetParent || avalon.root)
}
/* istanbul ignore next */
cssHooks['@:set'] = function (node, name, value) {
try {
//node.style.width = NaN;node.style.width = 'xxxxxxx';
//node.style.width = undefine 在旧式IE下会抛异常
node.style[name] = value
} catch (e) {
}
}
/* istanbul ignore next */
cssHooks['@:get'] = function (node, name) {
<span class="skip-if-branch" title="if path not taken" >I</span>if (!node || !node.style) {
<span class="cstat-skip" title="statement not covered" > throw new Error('getComputedStyle要求传入一个节点 ' + node)</span>
}
var ret, styles = window.getComputedStyle(node, null)
<span class="skip-if-branch" title="else path not taken" >E</span>if (styles) {
ret = name === 'filter' ? <span class="branch-0 cbranch-skip" title="branch not covered" >styles.getPropertyValue(name) </span>: styles[name]
<span class="skip-if-branch" title="if path not taken" >I</span>if (ret === '') {
<span class="cstat-skip" title="statement not covered" > ret = node.style[name] </span>//其他浏览器需要我们手动取内联样式
}
}
return ret
}
cssHooks['opacity:get'] = function (node) {
var ret = cssHooks['@:get'](node, 'opacity')
return ret === '' ? <span class="branch-0 cbranch-no" title="branch not covered" >'1' </span>: ret
}
'top,left'.replace(avalon.rword, function (name) {
cssHooks[name + ':get'] = function (node) {
var computed = cssHooks['@:get'](node, name)
return /px$/.test(computed) ? <span class="branch-0 cbranch-no" title="branch not covered" >computed </span>:
avalon(node).position()[name] + 'px'
}
})
var cssShow = {
position: 'absolute',
visibility: 'hidden',
display: 'block'
}
var rdisplayswap = /^(none|table(?!-c[ea]).+)/
/* istanbul ignore next */
function showHidden(node, array) {
//http://www.cnblogs.com/rubylouvre/archive/2012/10/27/2742529.html
<span class="skip-if-branch" title="if path not taken" >I</span>if (node.offsetWidth <= 0) { //opera.offsetWidth可能小于0
<span class="cstat-skip" title="statement not covered" > if (rdisplayswap.test(cssHooks['@:get'](node, 'display'))) {</span>
<span class="cstat-skip" title="statement not covered" > var obj = {</span>
node: node
}
<span class="cstat-skip" title="statement not covered" > for (var name in cssShow) {</span>
<span class="cstat-skip" title="statement not covered" > obj[name] = node.style[name]</span>
<span class="cstat-skip" title="statement not covered" > node.style[name] = cssShow[name]</span>
}
<span class="cstat-skip" title="statement not covered" > array.push(obj)</span>
}
<span class="cstat-skip" title="statement not covered" > var parent = node.parentNode</span>
<span class="cstat-skip" title="statement not covered" > if (parent && parent.nodeType === 1) {</span>
<span class="cstat-skip" title="statement not covered" > showHidden(parent, array)</span>
}
}
}
/* istanbul ignore next*/
avalon.each({
Width: 'width',
Height: 'height'
}, function (name, method) {
var clientProp = 'client' + name,
scrollProp = 'scroll' + name,
offsetProp = 'offset' + name
cssHooks[method + ':get'] = function (node, which, override) {
var boxSizing = -4
<span class="skip-if-branch" title="if path not taken" >I</span>if (typeof override === 'number') {
<span class="cstat-skip" title="statement not covered" > boxSizing = override</span>
}
which = name === 'Width' ? ['Left', 'Right'] : ['Top', 'Bottom']
var ret = node[offsetProp] // border-box 0
<span class="skip-if-branch" title="if path not taken" >I</span>if (boxSizing === 2) { // margin-box 2
<span class="cstat-skip" title="statement not covered" > return ret + avalon.css(node, 'margin' + which[0], true) + avalon.css(node, 'margin' + which[1], true)</span>
}
<span class="skip-if-branch" title="else path not taken" >E</span>if (boxSizing < 0) { // padding-box -2
ret = ret - avalon.css(node, 'border' + which[0] + 'Width', true) - avalon.css(node, 'border' + which[1] + 'Width', true)
}
<span class="skip-if-branch" title="else path not taken" >E</span>if (boxSizing === -4) { // content-box -4
ret = ret - avalon.css(node, 'padding' + which[0], true) - avalon.css(node, 'padding' + which[1], true)
}
return ret
}
cssHooks[method + '&get'] = function (node) {
var hidden = []
showHidden(node, hidden)
var val = cssHooks[method + ':get'](node)
for (var i = 0, obj; obj = hidden[i++];) {
<span class="cstat-skip" title="statement not covered" > node = obj.node</span>
<span class="cstat-skip" title="statement not covered" > for (var n in obj) {</span>
<span class="cstat-skip" title="statement not covered" > if (typeof obj[n] === 'string') {</span>
<span class="cstat-skip" title="statement not covered" > node.style[n] = obj[n]</span>
}
}
}
return val
}
avalon.fn[method] = function (value) { //会忽视其display
var node = this[0]
<span class="skip-if-branch" title="else path not taken" >E</span>if (arguments.length === 0) {
<span class="skip-if-branch" title="if path not taken" >I</span>if (node.setTimeout) { //取得窗口尺寸
<span class="cstat-skip" title="statement not covered" > return node['inner' + name] ||</span>
node.document.documentElement[clientProp] ||
node.document.body[clientProp] //IE6下前两个分别为undefined,0
}
<span class="skip-if-branch" title="if path not taken" >I</span>if (node.nodeType === 9) { //取得页面尺寸
<span class="cstat-skip" title="statement not covered" > var doc = node.documentElement</span>
//FF chrome html.scrollHeight< body.scrollHeight
//IE 标准模式 : html.scrollHeight> body.scrollHeight
//IE 怪异模式 : html.scrollHeight 最大等于可视窗口多一点？
<span class="cstat-skip" title="statement not covered" > return Math.max(node.body[scrollProp], doc[scrollProp], node.body[offsetProp], doc[offsetProp], doc[clientProp])</span>
}
return cssHooks[method + '&get'](node)
} else {
<span class="cstat-skip" title="statement not covered" > return this.css(method, value)</span>
}
}
avalon.fn['inner' + name] = <span class="fstat-skip" title="function not covered" >function () {</span>
<span class="cstat-skip" title="statement not covered" > return cssHooks[method + ':get'](this[0], void 0, -2)</span>
}
avalon.fn['outer' + name] = <span class="fstat-skip" title="function not covered" >function (includeMargin) {</span>
<span class="cstat-skip" title="statement not covered" > return cssHooks[method + ':get'](this[0], void 0, includeMargin === true ? 2 : 0)</span>
}
})
export function getWindow(node) {
return node.window || node.defaultView || node.parentWindow || false
}
</pre></td></tr>
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