[11700] | 1 | #region License
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| 2 | // Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
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| 3 | // This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
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| 4 | #endregion
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| 5 |
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| 6 | #region License Information
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| 7 | /* HeuristicLab
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| 8 | * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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| 9 | *
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| 10 | * This file is part of HeuristicLab.
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| 11 | *
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| 12 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 13 | * it under the terms of the GNU General Public License as published by
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| 14 | * the Free Software Foundation, either version 3 of the License, or
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| 15 | * (at your option) any later version.
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| 16 | *
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| 17 | * HeuristicLab is distributed in the hope that it will be useful,
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| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 20 | * GNU General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 24 | */
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| 25 | #endregion
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| 26 |
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| 27 | using System;
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| 28 | using System.Threading;
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| 29 | using System.Windows;
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| 30 | using System.Windows.Media;
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| 31 | using System.Windows.Media.Imaging;
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| 32 | using ICSharpCode.NRefactory.TypeSystem;
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| 33 |
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| 34 | namespace ICSharpCode.AvalonEdit.CodeCompletion {
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| 35 | /// <summary>
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| 36 | /// Provides icons for code-completion.
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| 37 | /// </summary>
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| 38 | public class CompletionImage {
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| 39 | #region Non-Entity Images
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| 40 | static readonly BitmapImage namespaceImage = LoadBitmap("NameSpace");
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| 41 |
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| 42 | /// <summary>
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| 43 | /// Gets the image for namespaces.
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| 44 | /// </summary>
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| 45 | public static ImageSource NamespaceImage {
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| 46 | get { return namespaceImage; }
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| 47 | }
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| 48 |
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| 49 | static BitmapImage LoadBitmap(string name) {
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| 50 | BitmapImage image = new BitmapImage(new Uri("pack://application:,,,/HeuristicLab.CodeEditor-3.4;component/LanguageFeatures/CodeCompletion/CSharp/CompletionData/Images/" + name + ".png"));
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| 51 | image.Freeze();
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| 52 | return image;
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| 53 | }
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| 54 | #endregion
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| 55 |
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| 56 | #region Entity Images
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| 57 | static readonly CompletionImage imageClass = new CompletionImage("Class", false);
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| 58 | static readonly CompletionImage imageStruct = new CompletionImage("Struct", false);
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| 59 | static readonly CompletionImage imageInterface = new CompletionImage("Interface", false);
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| 60 | static readonly CompletionImage imageDelegate = new CompletionImage("Delegate", false);
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| 61 | static readonly CompletionImage imageEnum = new CompletionImage("Enum", false);
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| 62 | static readonly CompletionImage imageStaticClass = new CompletionImage("StaticClass", false);
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| 63 |
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| 64 | /// <summary>Gets the image used for non-static classes.</summary>
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| 65 | public static CompletionImage Class { get { return imageClass; } }
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| 66 |
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| 67 | /// <summary>Gets the image used for structs.</summary>
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| 68 | public static CompletionImage Struct { get { return imageStruct; } }
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| 69 |
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| 70 | /// <summary>Gets the image used for interfaces.</summary>
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| 71 | public static CompletionImage Interface { get { return imageInterface; } }
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| 72 |
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| 73 | /// <summary>Gets the image used for delegates.</summary>
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| 74 | public static CompletionImage Delegate { get { return imageDelegate; } }
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| 75 |
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| 76 | /// <summary>Gets the image used for enums.</summary>
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| 77 | public static CompletionImage Enum { get { return imageEnum; } }
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| 78 |
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| 79 | /// <summary>Gets the image used for modules/static classes.</summary>
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| 80 | public static CompletionImage StaticClass { get { return imageStaticClass; } }
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| 81 |
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| 82 | static readonly CompletionImage imageField = new CompletionImage("Field", true);
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| 83 | static readonly CompletionImage imageFieldReadOnly = new CompletionImage("FieldReadOnly", true);
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| 84 | static readonly CompletionImage imageLiteral = new CompletionImage("Literal", false);
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| 85 | static readonly CompletionImage imageEnumValue = new CompletionImage("EnumValue", false);
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| 86 |
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| 87 | /// <summary>Gets the image used for non-static classes.</summary>
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| 88 | public static CompletionImage Field { get { return imageField; } }
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| 89 |
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| 90 | /// <summary>Gets the image used for structs.</summary>
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| 91 | public static CompletionImage ReadOnlyField { get { return imageFieldReadOnly; } }
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| 92 |
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| 93 | /// <summary>Gets the image used for constants.</summary>
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| 94 | public static CompletionImage Literal { get { return imageLiteral; } }
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| 95 |
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| 96 | /// <summary>Gets the image used for enum values.</summary>
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| 97 | public static CompletionImage EnumValue { get { return imageEnumValue; } }
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| 98 |
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| 99 | static readonly CompletionImage imageMethod = new CompletionImage("Method", true);
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| 100 | static readonly CompletionImage imageConstructor = new CompletionImage("Constructor", true);
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| 101 | static readonly CompletionImage imageVirtualMethod = new CompletionImage("VirtualMethod", true);
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| 102 | static readonly CompletionImage imageOperator = new CompletionImage("Operator", false);
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| 103 | static readonly CompletionImage imageExtensionMethod = new CompletionImage("ExtensionMethod", true);
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| 104 | static readonly CompletionImage imagePInvokeMethod = new CompletionImage("PInvokeMethod", true);
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| 105 | static readonly CompletionImage imageProperty = new CompletionImage("Property", true);
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| 106 | static readonly CompletionImage imageIndexer = new CompletionImage("Indexer", true);
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| 107 | static readonly CompletionImage imageEvent = new CompletionImage("Event", true);
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| 108 |
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| 109 | /// <summary>Gets the image used for methods.</summary>
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| 110 | public static CompletionImage Method { get { return imageMethod; } }
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| 111 |
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| 112 | /// <summary>Gets the image used for constructos.</summary>
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| 113 | public static CompletionImage Constructor { get { return imageConstructor; } }
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| 114 |
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| 115 | /// <summary>Gets the image used for virtual methods.</summary>
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| 116 | public static CompletionImage VirtualMethod { get { return imageVirtualMethod; } }
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| 117 |
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| 118 | /// <summary>Gets the image used for operators.</summary>
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| 119 | public static CompletionImage Operator { get { return imageOperator; } }
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| 120 |
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| 121 | /// <summary>Gets the image used for extension methods.</summary>
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| 122 | public static CompletionImage ExtensionMethod { get { return imageExtensionMethod; } }
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| 123 |
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| 124 | /// <summary>Gets the image used for P/Invoke methods.</summary>
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| 125 | public static CompletionImage PInvokeMethod { get { return imagePInvokeMethod; } }
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| 126 |
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| 127 | /// <summary>Gets the image used for properties.</summary>
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| 128 | public static CompletionImage Property { get { return imageProperty; } }
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| 129 |
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| 130 | /// <summary>Gets the image used for indexers.</summary>
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| 131 | public static CompletionImage Indexer { get { return imageIndexer; } }
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| 132 |
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| 133 | /// <summary>Gets the image used for events.</summary>
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| 134 | public static CompletionImage Event { get { return imageEvent; } }
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| 135 |
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| 136 | /// <summary>
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| 137 | /// Gets the CompletionImage instance for the specified entity.
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| 138 | /// Returns null when no image is available for the entity type.
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| 139 | /// </summary>
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| 140 | public static CompletionImage GetCompletionImage(IEntity entity) {
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| 141 | if (entity == null)
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| 142 | throw new ArgumentNullException("entity");
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| 143 | switch (entity.SymbolKind) {
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| 144 | case SymbolKind.TypeDefinition:
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| 145 | return GetCompletionImageForType(((ITypeDefinition)entity).Kind, entity.IsStatic);
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| 146 | case SymbolKind.Field:
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| 147 | IField field = (IField)entity;
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| 148 | if (field.IsConst) {
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| 149 | if (field.DeclaringTypeDefinition != null && field.DeclaringTypeDefinition.Kind == TypeKind.Enum)
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| 150 | return imageEnumValue;
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| 151 | else
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| 152 | return imageLiteral;
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| 153 | }
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| 154 | return field.IsReadOnly ? imageFieldReadOnly : imageField;
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| 155 | case SymbolKind.Method:
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| 156 | IMethod method = (IMethod)entity;
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| 157 | if (method.IsExtensionMethod)
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| 158 | return imageExtensionMethod;
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| 159 | else
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| 160 | return method.IsOverridable ? imageVirtualMethod : imageMethod;
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| 161 | case SymbolKind.Property:
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| 162 | return imageProperty;
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| 163 | case SymbolKind.Indexer:
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| 164 | return imageIndexer;
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| 165 | case SymbolKind.Event:
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| 166 | return imageEvent;
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| 167 | case SymbolKind.Operator:
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| 168 | case SymbolKind.Destructor:
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| 169 | return imageOperator;
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| 170 | case SymbolKind.Constructor:
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| 171 | return imageConstructor;
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| 172 | default:
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| 173 | return null;
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| 174 | }
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| 175 | }
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| 176 |
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| 177 | /// <summary>
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| 178 | /// Gets the CompletionImage instance for the specified entity.
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| 179 | /// Returns null when no image is available for the entity type.
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| 180 | /// </summary>
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| 181 | public static CompletionImage GetCompletionImage(IUnresolvedEntity entity) {
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| 182 | if (entity == null)
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| 183 | throw new ArgumentNullException("entity");
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| 184 | switch (entity.SymbolKind) {
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| 185 | case SymbolKind.TypeDefinition:
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| 186 | return GetCompletionImageForType(((IUnresolvedTypeDefinition)entity).Kind, entity.IsStatic);
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| 187 | case SymbolKind.Field:
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| 188 | IUnresolvedField field = (IUnresolvedField)entity;
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| 189 | if (field.IsConst) {
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| 190 | if (field.DeclaringTypeDefinition != null && field.DeclaringTypeDefinition.Kind == TypeKind.Enum)
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| 191 | return imageEnumValue;
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| 192 | else
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| 193 | return imageLiteral;
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| 194 | }
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| 195 | return field.IsReadOnly ? imageFieldReadOnly : imageField;
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| 196 | case SymbolKind.Method:
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| 197 | IUnresolvedMethod method = (IUnresolvedMethod)entity;
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| 198 | return method.IsOverridable ? imageVirtualMethod : imageMethod;
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| 199 | case SymbolKind.Property:
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| 200 | return imageProperty;
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| 201 | case SymbolKind.Indexer:
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| 202 | return imageIndexer;
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| 203 | case SymbolKind.Event:
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| 204 | return imageEvent;
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| 205 | case SymbolKind.Operator:
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| 206 | case SymbolKind.Destructor:
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| 207 | return imageOperator;
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| 208 | case SymbolKind.Constructor:
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| 209 | return imageConstructor;
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| 210 | default:
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| 211 | return null;
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| 212 | }
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| 213 | }
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| 214 |
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| 215 | static CompletionImage GetCompletionImageForType(TypeKind typeKind, bool isStatic) {
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| 216 | switch (typeKind) {
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| 217 | case TypeKind.Interface:
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| 218 | return imageInterface;
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| 219 | case TypeKind.Struct:
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| 220 | case TypeKind.Void:
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| 221 | return imageStruct;
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| 222 | case TypeKind.Delegate:
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| 223 | return imageDelegate;
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| 224 | case TypeKind.Enum:
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| 225 | return imageEnum;
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| 226 | case TypeKind.Class:
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| 227 | return isStatic ? imageStaticClass : imageClass;
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| 228 | case TypeKind.Module:
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| 229 | return imageStaticClass;
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| 230 | default:
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| 231 | return null;
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| 232 | }
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| 233 | }
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| 234 |
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| 235 | /// <summary>
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| 236 | /// Gets the image for the specified entity.
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| 237 | /// Returns null when no image is available for the entity type.
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| 238 | /// </summary>
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| 239 | public static ImageSource GetImage(IEntity entity) {
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| 240 | CompletionImage image = GetCompletionImage(entity);
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| 241 | if (image != null)
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| 242 | return image.GetImage(entity.Accessibility, entity.IsStatic);
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| 243 | else
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| 244 | return null;
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| 245 | }
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| 246 |
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| 247 | /// <summary>
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| 248 | /// Gets the image for the specified entity.
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| 249 | /// Returns null when no image is available for the entity type.
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| 250 | /// </summary>
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| 251 | public static ImageSource GetImage(IUnresolvedEntity entity) {
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| 252 | CompletionImage image = GetCompletionImage(entity);
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| 253 | if (image != null)
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| 254 | return image.GetImage(entity.Accessibility, entity.IsStatic);
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| 255 | else
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| 256 | return null;
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| 257 | }
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| 258 | #endregion
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| 259 |
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| 260 | #region Overlays
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| 261 | static readonly BitmapImage overlayStatic = LoadBitmap("OverlayStatic");
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| 262 |
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| 263 | /// <summary>
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| 264 | /// Gets the overlay image for the static modifier.
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| 265 | /// </summary>
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| 266 | public ImageSource StaticOverlay { get { return overlayStatic; } }
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| 267 |
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| 268 | const int AccessibilityOverlaysLength = 5;
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| 269 |
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| 270 | static readonly BitmapImage[] accessibilityOverlays = new BitmapImage[AccessibilityOverlaysLength] {
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| 271 | null,
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| 272 | LoadBitmap("OverlayPrivate"),
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| 273 | LoadBitmap("OverlayProtected"),
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| 274 | LoadBitmap("OverlayInternal"),
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| 275 | LoadBitmap("OverlayProtectedInternal")
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| 276 | };
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| 277 |
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| 278 | /// <summary>
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| 279 | /// Gets an overlay image for the specified accessibility.
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| 280 | /// Returns null if no overlay exists (for example, public members don't use overlays).
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| 281 | /// </summary>
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| 282 | public static ImageSource GetAccessibilityOverlay(Accessibility accessibility) {
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| 283 | return accessibilityOverlays[GetAccessibilityOverlayIndex(accessibility)];
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| 284 | }
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| 285 |
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| 286 | static int GetAccessibilityOverlayIndex(Accessibility accessibility) {
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| 287 | switch (accessibility) {
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| 288 | case Accessibility.Private:
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| 289 | return 1;
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| 290 | case Accessibility.Protected:
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| 291 | return 2;
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| 292 | case Accessibility.Internal:
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| 293 | return 3;
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| 294 | case Accessibility.ProtectedOrInternal:
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| 295 | case Accessibility.ProtectedAndInternal:
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| 296 | return 4;
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| 297 | default:
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| 298 | return 0;
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| 299 | }
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| 300 | }
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| 301 | #endregion
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| 302 |
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| 303 | #region Instance Members (add overlay to entity image)
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| 304 | readonly string imageName;
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| 305 | readonly bool showStaticOverlay;
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| 306 |
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| 307 | private CompletionImage(string imageName, bool showStaticOverlay) {
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| 308 | this.imageName = imageName;
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| 309 | this.showStaticOverlay = showStaticOverlay;
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| 310 | }
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| 311 |
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| 312 | ImageSource[] images = new ImageSource[2 * AccessibilityOverlaysLength];
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| 313 | // 0..N-1 = base image + accessibility overlay
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| 314 | // N..2N-1 = base image + static overlay + accessibility overlay
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| 315 |
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| 316 | /// <summary>
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| 317 | /// Gets the image without any overlays.
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| 318 | /// </summary>
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| 319 | public ImageSource BaseImage {
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| 320 | get {
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| 321 | ImageSource image = images[0];
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| 322 | if (image == null) {
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| 323 | image = LoadBitmap(imageName);
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| 324 | Thread.MemoryBarrier();
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| 325 | images[0] = image;
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| 326 | }
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| 327 | return image;
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| 328 | }
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| 329 | }
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| 330 |
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| 331 | /// <summary>
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| 332 | /// Gets this image combined with the specified accessibility overlay.
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| 333 | /// </summary>
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| 334 | public ImageSource GetImage(Accessibility accessibility, bool isStatic = false) {
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| 335 | int accessibilityIndex = GetAccessibilityOverlayIndex(accessibility);
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| 336 | int index;
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| 337 | if (isStatic && showStaticOverlay)
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| 338 | index = accessibilityOverlays.Length + accessibilityIndex;
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| 339 | else
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| 340 | index = accessibilityIndex;
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| 341 |
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| 342 | if (index == 0)
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| 343 | return this.BaseImage;
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| 344 |
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| 345 | ImageSource image = images[index];
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| 346 | if (image == null) {
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| 347 | DrawingGroup g = new DrawingGroup();
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| 348 | Rect iconRect = new Rect(0, 0, 16, 16);
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| 349 | g.Children.Add(new ImageDrawing(this.BaseImage, iconRect));
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| 350 |
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| 351 | if (accessibilityOverlays[accessibilityIndex] != null)
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| 352 | g.Children.Add(new ImageDrawing(accessibilityOverlays[accessibilityIndex], iconRect));
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| 353 |
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| 354 | image = new DrawingImage(g);
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| 355 | image.Freeze();
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| 356 | Thread.MemoryBarrier();
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| 357 | images[index] = image;
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| 358 | }
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| 359 | return image;
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| 360 | }
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| 361 |
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| 362 | /// <inheritdoc/>
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| 363 | public override string ToString() {
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| 364 | return "[CompletionImage " + imageName + "]";
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| 365 | }
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| 366 | #endregion
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| 367 | }
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| 368 | }
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