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e0fbaa83b0
Allow templates to be loaded via the text plugin, which in turn will allow these to be built into the final JS artifact.
99 lines
3.8 KiB
JavaScript
99 lines
3.8 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,Promise*/
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/**
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* Module defining MCTInclude. Created by vwoeltje on 11/7/14.
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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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* Defines the mct-include directive. This acts like the
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* ng-include directive, except it accepts a symbolic
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* key which can be exposed by bundles, instead of requiring
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* an explicit path.
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*
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* This directive uses two-way binding for three attributes:
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*
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* * `key`, matched against the key of a defined template extension
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* in order to determine which actual template to include.
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* * `ng-model`, populated as `ngModel` in the loaded template's
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* scope; used for normal ng-model purposes (e.g. if the
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* included template is meant to two-way bind to a data model.)
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* * `parameters`, used to communicate display parameters to
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* the included template (e.g. title.) The difference between
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* `parameters` and `ngModel` is intent: Both are two-way
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* bound, but `ngModel` is useful for data models (more like
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* an output) and `parameters` is meant to be useful for
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* display parameterization (more like an input.)
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*
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* @memberof platform/representation
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* @constructor
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* @param {TemplateDefinition[]} templates an array of
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* template extensions
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*/
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function MCTInclude(templates, templateLinker) {
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var templateMap = {};
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function link(scope, element) {
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var changeTemplate = templateLinker.link(
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scope,
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element,
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scope.key && templateMap[scope.key]
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);
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scope.$watch('key', function (key) {
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changeTemplate(key && templateMap[key]);
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});
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}
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// Prepopulate templateMap for easy look up by key
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templates.forEach(function (template) {
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var key = template.key;
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// First found should win (priority ordering)
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templateMap[key] =
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templateMap[key] || template;
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});
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return {
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// Only show at the element level
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restrict: "E",
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// Use the included controller to populate scope
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link: link,
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// May hide the element, so let other directives act first
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priority: -1000,
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// Two-way bind key, ngModel, and parameters
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scope: { key: "=", ngModel: "=", parameters: "=" }
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};
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}
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return MCTInclude;
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}
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);
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