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public/static/ext/diyview/js/async_load_css.js

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+/**
+ * 异步加载外部CSS文件，并且回调
+ */
+function styleOnload(node, callback) {
+	// for IE6-9 and Opera
+	if (node.attachEvent) {
+		node.attachEvent('onload', callback);
+		// NOTICE:
+		// 1. "onload" will be fired in IE6-9 when the file is 404, but in
+		// this situation, Opera does nothing, so fallback to timeout.
+		// 2. "onerror" doesn't fire in any browsers!
+	}
+	// polling for Firefox, Chrome, Safari
+	else {
+		setTimeout(function () {
+			poll(node, callback);
+		}, 0); // for cache
+	}
+}
+
+function poll(node, callback) {
+	if (callback.isCalled) {
+		return;
+	}
+	var isLoaded = false;
+	if (/webkit/i.test(navigator.userAgent)) {// webkit
+		if (node['sheet']) {
+			isLoaded = true;
+		}
+	}
+	// for Firefox
+	else if (node['sheet']) {
+		try {
+			if (node['sheet'].cssRules) {
+				isLoaded = true;
+			}
+		} catch (ex) {
+			// NS_ERROR_DOM_SECURITY_ERR
+			if (ex.code === 1000) {
+				isLoaded = true;
+			}
+		}
+	}
+	if (isLoaded) {
+		// give time to render.
+		setTimeout(function () {
+			callback();
+		}, 1);
+	} else {
+		setTimeout(function () {
+			poll(node, callback);
+		}, 1);
+	}
+}
+
+// 我的动态创建LINK函数
+function createLink(cssURL, lnkId, charset, media) {
+	var head = document.getElementsByTagName('head')[0], linkTag = null;
+	if (!cssURL) {
+		return false;
+	}
+	linkTag = document.createElement('link');
+	linkTag.setAttribute('id', (lnkId || 'dynamic-style'));
+	linkTag.setAttribute('rel', 'stylesheet');
+	linkTag.setAttribute('charset', (charset || 'utf-8'));
+	linkTag.setAttribute('media', (media || 'all'));
+	linkTag.setAttribute('type', 'text/css');
+	linkTag.href = cssURL;
+	head.appendChild(linkTag);
+	return linkTag;
+}
+
+/**
+ * demo
+ */
+//function loadcss() {
+//	var styleNode = createLink("http://localhost/niucloud/addon/system/DiyView/component/view/rubik_cube/css/rubik_cube.css");
+//	styleOnload(styleNode, function() {
+//		alert("loaded");
+//	});
+//}