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80 lines
3.2 KiB
JavaScript
80 lines
3.2 KiB
JavaScript
/*****************************************************************************
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* Open MCT Web, Copyright (c) 2014-2015, United States Government
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* as represented by the Administrator of the National Aeronautics and Space
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* Administration. All rights reserved.
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*
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* Open MCT Web is licensed under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* Open MCT Web includes source code licensed under additional open source
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* licenses. See the Open Source Licenses file (LICENSES.md) included with
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* this source code distribution or the Licensing information page available
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* at runtime from the About dialog for additional information.
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*****************************************************************************/
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/*global define*/
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/**
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* This bundle provides various general-purpose UI elements, including
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* platform styling.
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* @namespace platform/commonUI/general
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*/
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define(
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[],
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function () {
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"use strict";
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/**
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* The StyleSheetLoader adds links to style sheets exposed from
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* various bundles as extensions of category `stylesheets`.
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* @memberof platform/commonUI/general
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* @constructor
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* @param {object[]} stylesheets stylesheet extension definitions
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* @param $document Angular's jqLite-wrapped document element
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* @param {string} activeTheme the theme in use
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*/
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function StyleSheetLoader(stylesheets, $document, activeTheme) {
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var head = $document.find('head'),
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document = $document[0];
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// Procedure for adding a single stylesheet
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function addStyleSheet(stylesheet) {
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// Create a link element, and construct full path
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var link = document.createElement('link'),
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path = [
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stylesheet.bundle.path,
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stylesheet.bundle.resources,
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stylesheet.stylesheetUrl
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].join("/");
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// Initialize attributes on the link
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link.setAttribute("rel", "stylesheet");
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link.setAttribute("type", "text/css");
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link.setAttribute("href", path);
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// Append the link to the head element
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head.append(link);
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}
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// Stylesheets which specify themes should only be applied
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// when that theme has been declared.
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function matchesTheme(stylesheet) {
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return stylesheet.theme === undefined ||
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stylesheet.theme === activeTheme;
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}
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// Add all stylesheets from extensions
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stylesheets.filter(matchesTheme).forEach(addStyleSheet);
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}
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return StyleSheetLoader;
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}
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);
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