173 lines
3.3 KiB
C#
173 lines
3.3 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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namespace UIWidgets
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{
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public class DialogActions : IDictionary<string, Func<bool>>, IEnumerable, ICollection<KeyValuePair<string, Func<bool>>>, IEnumerable<KeyValuePair<string, Func<bool>>>
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{
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private List<string> keys = new List<string>();
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private List<Func<bool>> values = new List<Func<bool>>();
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private List<KeyValuePair<string, Func<bool>>> elements = new List<KeyValuePair<string, Func<bool>>>();
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public int Count
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{
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get
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{
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return elements.Count;
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}
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}
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public bool IsReadOnly
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{
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get
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{
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return false;
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}
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}
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public Func<bool> this[string key]
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{
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get
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{
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int index = keys.IndexOf(key);
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return elements[index].Value;
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}
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set
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{
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int index = keys.IndexOf(key);
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elements[index] = new KeyValuePair<string, Func<bool>>(key, value);
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}
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}
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public ICollection<string> Keys
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{
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get
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{
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return elements.Convert(GetKey);
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}
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}
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public ICollection<Func<bool>> Values
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{
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get
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{
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return elements.Convert(GetValue);
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}
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}
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private string GetKey(KeyValuePair<string, Func<bool>> item)
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{
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return item.Key;
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}
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private Func<bool> GetValue(KeyValuePair<string, Func<bool>> item)
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{
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return item.Value;
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}
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public void Add(KeyValuePair<string, Func<bool>> item)
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{
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Add(item.Key, item.Value);
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}
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public void Add(string key, Func<bool> value)
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{
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if (key == null)
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{
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throw new ArgumentNullException("key", "Key is null.");
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}
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if (ContainsKey(key))
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{
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throw new ArgumentException(string.Format("An element with the same key ({0}) already exists.", key));
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}
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keys.Add(key);
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values.Add(value);
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elements.Add(new KeyValuePair<string, Func<bool>>(key, value));
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}
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public void Clear()
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{
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keys.Clear();
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values.Clear();
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elements.Clear();
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}
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public bool Contains(KeyValuePair<string, Func<bool>> item)
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{
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return elements.Contains(item);
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}
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public bool ContainsKey(string key)
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{
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if (key == null)
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{
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throw new ArgumentNullException("key", "Key is null.");
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}
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return keys.Contains(key);
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}
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public void CopyTo(KeyValuePair<string, Func<bool>>[] array, int arrayIndex)
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{
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elements.CopyTo(array, arrayIndex);
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}
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public IEnumerator<KeyValuePair<string, Func<bool>>> GetEnumerator()
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{
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return elements.GetEnumerator();
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}
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IEnumerator IEnumerable.GetEnumerator()
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{
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return elements.GetEnumerator();
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}
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public bool Remove(KeyValuePair<string, Func<bool>> item)
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{
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if (!elements.Contains(item))
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{
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return false;
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}
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int index = elements.IndexOf(item);
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keys.RemoveAt(index);
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values.RemoveAt(index);
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elements.RemoveAt(index);
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return true;
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}
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public bool Remove(string key)
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{
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if (key == null)
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{
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throw new ArgumentNullException("key", "Key is null.");
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}
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if (!ContainsKey(key))
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{
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return false;
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}
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int index = keys.IndexOf(key);
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keys.RemoveAt(index);
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values.RemoveAt(index);
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elements.RemoveAt(index);
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return true;
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}
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public bool TryGetValue(string key, out Func<bool> value)
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{
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if (key == null)
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{
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throw new ArgumentNullException("key", "Key is null.");
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}
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if (!ContainsKey(key))
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{
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value = null;
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return false;
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}
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value = values[keys.IndexOf(key)];
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return true;
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}
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}
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}
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