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47 lines
1.3 KiB
47 lines
1.3 KiB
/** |
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* style加载管理器 |
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* |
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* Created by GUY on 2015/9/7. |
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* @class |
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*/ |
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BI.StyleLoaderManager = BI.inherit(BI.OB, { |
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_defaultConfig: function () { |
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return BI.extend(BI.StyleLoaderManager.superclass._defaultConfig.apply(this, arguments), {}); |
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}, |
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_init: function () { |
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BI.StyleLoaderManager.superclass._init.apply(this, arguments); |
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this.stylesManager = {}; |
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}, |
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loadStyle: function (name, styleString) { |
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var d = document, styles = d.createElement('style'); |
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d.getElementsByTagName('head')[0].appendChild(styles); |
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styles.setAttribute('type', 'text/css'); |
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if (styles.styleSheet) { |
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styles.styleSheet.cssText = styleString; |
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} else { |
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styles.appendChild(document.createTextNode(styleString)); |
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} |
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this.stylesManager[name] = styles; |
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return this; |
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}, |
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get: function (name) { |
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return this.stylesManager[name]; |
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}, |
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has: function (name) { |
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return this.stylesManager[name] != null; |
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}, |
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removeStyle: function (name) { |
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if (!this.has(name)) { |
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return this; |
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} |
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this.stylesManager[name].parentNode.removeChild(this.stylesManager[name]); |
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delete this.stylesManager[name]; |
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return this; |
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} |
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}); |