1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 |
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24 | namespace HeuristicLab.Core {
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25 | [AttributeUsage(AttributeTargets.Class, AllowMultiple = false, Inherited = false)]
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26 | public sealed class CreatableAttribute : Attribute {
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27 | private string category;
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28 | public string Category {
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29 | get {
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30 | return category;
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31 | }
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32 | set {
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33 | if (value == null) throw new ArgumentNullException("Category", "CreataleAttribute.Category must not be null");
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34 | category = value;
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35 | }
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36 | }
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37 |
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38 | public CreatableAttribute() {
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39 | Category = "Other Items";
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40 | }
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41 | public CreatableAttribute(string category)
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42 | : this() {
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43 | Category = category;
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44 | }
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45 |
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46 | public static bool IsCreatable(Type type) {
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47 | object[] attribs = type.GetCustomAttributes(typeof(CreatableAttribute), false);
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48 | return attribs.Length > 0;
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49 | }
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50 | public static string GetCategory(Type type) {
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51 | object[] attribs = type.GetCustomAttributes(typeof(CreatableAttribute), false);
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52 | if (attribs.Length > 0) return ((CreatableAttribute)attribs[0]).Category;
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53 | else return null;
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54 | }
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55 | }
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56 | }
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