Created
September 2, 2016 01:20
Star
You must be signed in to star a gist
Edit Style Sheet Javascript
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
/* | |
var name = 'nav-bar'; | |
var selector = '.nav-bar > ul.active'; | |
var key = 'transform'; | |
getRule(name, selector, key, function (sTransform) { | |
var values = getTranslateValues(sTransform); | |
var x = values[0] - 100; | |
var y = values[1]; | |
var z = values[2]; | |
setRule(name, selector, key, 'translate3d('+ x +'%,'+ y +'%,'+ z +')', function () { | |
}); | |
}); | |
*/ | |
function getStyleSheet (title) { | |
var styleSheets = document.styleSheets; | |
for (var i = 0, l = styleSheets.length; i < l; i++) { | |
if (styleSheets[i].title === title) return styleSheets[i]; | |
} | |
return null; | |
} | |
function getRulesList(title) { | |
var styleSheet = getStyleSheet(title); | |
return styleSheet.cssRules; | |
} | |
function setRule(title, selector, key, value, callback) { | |
var rules = getRulesList(title); | |
each(rules, function (rule) { | |
if (rule.constructor === CSSMediaRule) { | |
each(rule.cssRules, function (mRule) { | |
if (mRule.selectorText === selector) { | |
mRule.style[key] = value; | |
return callback(); | |
} | |
}); | |
} else if (rule.constructor === CSSStyleRule) { | |
if (rule.selectorText === selector) { | |
rule.style[key] = value; | |
return callback(); | |
} | |
} | |
}); | |
} | |
function getRule(title, selector, key, callback) { | |
var rules = getRulesList(title); | |
each(rules, function (rule) { | |
if (rule.constructor === CSSMediaRule) { | |
each(rule.cssRules, function (mRule) { | |
if (mRule.selectorText === selector && mRule.style[key]) return callback(mRule.style[key]); | |
}); | |
} else if (rule.constructor === CSSStyleRule) { | |
if (rule.selectorText === selector && rule.style[key]) return callback(rule.style[key]); | |
} | |
}); | |
} | |
function each (array, callback, scope) { | |
for (var i = 0, l = array.length; i < l; i++) { | |
var statment = callback.call(scope, array[i], i); | |
if (statment === 'break') break; | |
else if (statment === 'continue') continue; | |
} | |
} | |
// internal | |
function getTranslateValues (string) { | |
string = string.replace(/(-o-)|(-ms-)|(-moz-)|(-webkit-)|(translate)|(X)|(Y)|(3d)|(%)|(px)|(\()|(\))|(;)/g, ''); | |
var values = string.split(','); | |
each(values, function (value, index) { | |
values[index] = value.trim(); | |
values[index] = parseInt(values[index]); | |
}); | |
return values; | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment