setup-python/node_modules/cssom/lib/CSSStyleSheet.js
Danny McCormick 39c08a0eaa Initial pass
2019-06-26 21:12:00 -04:00

89 lines
2.4 KiB
JavaScript

//.CommonJS
var CSSOM = {
StyleSheet: require("./StyleSheet").StyleSheet,
CSSStyleRule: require("./CSSStyleRule").CSSStyleRule
};
///CommonJS
/**
* @constructor
* @see http://www.w3.org/TR/DOM-Level-2-Style/css.html#CSS-CSSStyleSheet
*/
CSSOM.CSSStyleSheet = function CSSStyleSheet() {
CSSOM.StyleSheet.call(this);
this.cssRules = [];
};
CSSOM.CSSStyleSheet.prototype = new CSSOM.StyleSheet();
CSSOM.CSSStyleSheet.prototype.constructor = CSSOM.CSSStyleSheet;
/**
* Used to insert a new rule into the style sheet. The new rule now becomes part of the cascade.
*
* sheet = new Sheet("body {margin: 0}")
* sheet.toString()
* -> "body{margin:0;}"
* sheet.insertRule("img {border: none}", 0)
* -> 0
* sheet.toString()
* -> "img{border:none;}body{margin:0;}"
*
* @param {string} rule
* @param {number} index
* @see http://www.w3.org/TR/DOM-Level-2-Style/css.html#CSS-CSSStyleSheet-insertRule
* @return {number} The index within the style sheet's rule collection of the newly inserted rule.
*/
CSSOM.CSSStyleSheet.prototype.insertRule = function(rule, index) {
if (index < 0 || index > this.cssRules.length) {
throw new RangeError("INDEX_SIZE_ERR");
}
var cssRule = CSSOM.parse(rule).cssRules[0];
cssRule.parentStyleSheet = this;
this.cssRules.splice(index, 0, cssRule);
return index;
};
/**
* Used to delete a rule from the style sheet.
*
* sheet = new Sheet("img{border:none} body{margin:0}")
* sheet.toString()
* -> "img{border:none;}body{margin:0;}"
* sheet.deleteRule(0)
* sheet.toString()
* -> "body{margin:0;}"
*
* @param {number} index within the style sheet's rule list of the rule to remove.
* @see http://www.w3.org/TR/DOM-Level-2-Style/css.html#CSS-CSSStyleSheet-deleteRule
*/
CSSOM.CSSStyleSheet.prototype.deleteRule = function(index) {
if (index < 0 || index >= this.cssRules.length) {
throw new RangeError("INDEX_SIZE_ERR");
}
this.cssRules.splice(index, 1);
};
/**
* NON-STANDARD
* @return {string} serialize stylesheet
*/
CSSOM.CSSStyleSheet.prototype.toString = function() {
var result = "";
var rules = this.cssRules;
for (var i=0; i<rules.length; i++) {
result += rules[i].cssText + "\n";
}
return result;
};
//.CommonJS
exports.CSSStyleSheet = CSSOM.CSSStyleSheet;
CSSOM.parse = require('./parse').parse; // Cannot be included sooner due to the mutual dependency between parse.js and CSSStyleSheet.js
///CommonJS