Code coverage report for app/views/common/configs/config_diff_view.js

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All files » app/views/common/configs/ » config_diff_view.js
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'use strict';
 
;require.register("views/common/configs/config_diff_view", function (exports, require, module) {
  /**
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements. See the NOTICE file distributed with this
   * work for additional information regarding copyright ownership. The ASF
   * licenses this file to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
   * License for the specific language governing permissions and limitations under
   * the License.
   */
 
  var App = require('app');
 
  App.ConfigDiffView = Em.View.extend({
    template: Em.Handlebars.compile('{{view.diff}}'),
    diff: function () {
      var trimAndSort = function trimAndSort(value) {
        if (value == null) {
          return [];
        }
        var values = value.split("\n").filter(function (item) {
          return item != "";
        }).sort().join("\n");
        return difflib.stringAsLines(values);
      };
      var initialValues = trimAndSort(this.get('config.initialValue')),
          recommendedValues = trimAndSort(this.get('config.recommendedValue')),
          opcodes = new difflib.SequenceMatcher(initialValues, recommendedValues).get_opcodes();
      if (initialValues.length === 1 && recommendedValues.length === 1) {
        // changes in properties with single-line values shouldn't be highlighted
        opcodes[0][0] = 'equal';
      }
      if (!initialValues.length) {
        if (recommendedValues.length > 1) {
          // initial and recommended values should have the same number of rows
          initialValues = Array(recommendedValues.length - 1).join('.').split('.');
        }
        initialValues.unshift(Em.I18n.t('popup.dependent.configs.table.undefined'));
        opcodes[0][0] = 'not-defined'; // class name for cell corresponding to undefined property
        opcodes[0][2] = recommendedValues.length; // specifying rows number explicitly to avoid omitting of 'Property undefined' message
      }
      if (!recommendedValues.length) {
        if (initialValues.length > 1) {
          // initial and recommended values should have the same number of rows
          recommendedValues = Array(initialValues.length - 1).join('.').split('.');
        }
        recommendedValues.unshift(Em.I18n.t('popup.dependent.configs.table.removed'));
        opcodes[0][0] = 'is-removed'; // class name for cell corresponding to removed property
        opcodes[0][4] = initialValues.length; // specifying rows number explicitly to avoid omitting of 'Property removed' message
      }
      return new Handlebars.SafeString(diffview.buildView({
        baseTextLines: initialValues,
        newTextLines: recommendedValues,
        opcodes: opcodes
      }).outerHTML);
    }.property('config.initialValues', 'config.recommendedValues')
  });
});