mirror of
https://github.com/greenshot/greenshot.git
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105 lines
3.4 KiB
C#
105 lines
3.4 KiB
C#
/*
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* Greenshot - a free and open source screenshot tool
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* Copyright (C) 2007-2021 Thomas Braun, Jens Klingen, Robin Krom
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*
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* For more information see: http://getgreenshot.org/
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* The Greenshot project is hosted on GitHub https://github.com/greenshot/greenshot
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Globalization;
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using System.Reflection;
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using System.Windows.Data;
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using GreenshotPlugin.Core;
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namespace GreenshotConfluencePlugin {
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public class EnumDisplayer : IValueConverter {
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private Type _type;
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private IDictionary _displayValues;
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private IDictionary _reverseValues;
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public EnumDisplayer() {
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}
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public EnumDisplayer(Type type) {
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Type = type;
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}
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public Type Type {
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get { return _type; }
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set {
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if (!value.IsEnum) {
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throw new ArgumentException("parameter is not an Enumerated type", nameof(value));
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}
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_type = value;
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}
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}
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public ReadOnlyCollection<string> DisplayNames {
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get {
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var genericTypeDefinition = typeof(Dictionary<,>).GetGenericTypeDefinition();
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if (genericTypeDefinition != null)
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{
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_reverseValues = (IDictionary) Activator.CreateInstance(genericTypeDefinition.MakeGenericType(typeof(string),_type));
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}
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var typeDefinition = typeof(Dictionary<,>).GetGenericTypeDefinition();
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if (typeDefinition != null)
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{
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_displayValues = (IDictionary)Activator.CreateInstance(typeDefinition.MakeGenericType(_type, typeof(string)));
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}
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var fields = _type.GetFields(BindingFlags.Public | BindingFlags.Static);
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foreach (var field in fields) {
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DisplayKeyAttribute[] a = (DisplayKeyAttribute[])field.GetCustomAttributes(typeof(DisplayKeyAttribute), false);
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string displayKey = GetDisplayKeyValue(a);
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object enumValue = field.GetValue(null);
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string displayString;
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if (displayKey != null && Language.HasKey(displayKey)) {
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displayString = Language.GetString(displayKey);
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}
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displayString = displayKey ?? enumValue.ToString();
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_displayValues.Add(enumValue, displayString);
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_reverseValues.Add(displayString, enumValue);
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}
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return new List<string>((IEnumerable<string>)_displayValues.Values).AsReadOnly();
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}
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}
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private static string GetDisplayKeyValue(DisplayKeyAttribute[] a) {
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if (a == null || a.Length == 0) {
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return null;
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}
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DisplayKeyAttribute dka = a[0];
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return dka.Value;
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}
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object IValueConverter.Convert(object value, Type targetType, object parameter, CultureInfo culture) {
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return _displayValues[value];
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}
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object IValueConverter.ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) {
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return _reverseValues[value];
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}
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}
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}
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