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