// Function to show the dictionary.
public static void ShowDic(MyDictionary <int, State> myDictionary)
{
Console.Clear();
if (myDictionary.Count != 0)
{
for (int i = 0; i < myDictionary.Capacity; i++)
{
Console.WriteLine("INDEX: {0}", i);
if (myDictionary.Table[i] != null && myDictionary.Table[i].value != null)
{
DicPoint <int, State> curr = myDictionary.Table[i];
curr.value.Show();
while (curr.next != null)
{
curr.next.value.Show();
curr = curr.next;
}
}
}
}
else
{
Console.WriteLine("The dictionary is empty");
}
Console.WriteLine("Press ENTER to continue");
Console.ReadLine();
}
// Clear the dictionary.
public void Clear()
{
Table = new DicPoint <K, T> [100];
Capacity = 100;
Count = 0;
Keys = null;
Values = null;
}
// Constructor with a capacity parameter.
public MyDictionary(int capacity)
{
Table = new DicPoint <K, T> [capacity];
for (int i = 0; i < Table.Length; i++)
{
Table[i] = new DicPoint <K, T>();
}
this.Capacity = capacity;
Count = 0;
Keys = null;
Values = null;
}
// Redefinition of the Equals method.
public override bool Equals(object obj)
{
DicPoint <K, T> buf = (DicPoint <K, T>)obj;
if (value.Equals(buf.value) && key.Equals(buf.key))
{
return(true);
}
else
{
return(false);
}
}
// Constructor without parameters.
public MyDictionary()
{
// Initital capacity is 100.
Table = new DicPoint <K, T> [100];
for (int i = 0; i < Table.Length; i++)
{
Table[i] = new DicPoint <K, T>();
}
Capacity = 100;
Count = 0;
Keys = null;
Values = null;
}
// Redefinition of the GetEnumerator method.
public IEnumerator GetEnumerator()
{
for (int i = 0; i < Capacity; i++)
{
DicPoint <K, T> curr = Table[i];
while (curr != null)
{
yield return(curr);
curr = curr.next;
}
}
}
// Adds an element to the dictionary.
public virtual bool Add(object key, object value)
{
// Creating an object with wanted key and value.
DicPoint <K, T> dicPointBuffer = new DicPoint <K, T>((K)key, (T)value);
// Getting index.
int index = GetIndex(key);
// If there are no objects with this index.
if (Table[index] == null || Table[index].value == null)
{
DicPoint <K, T> buf = new DicPoint <K, T>((K)key, (T)value);
Table[index] = buf;
}
else
{
// The first object in the list of this index.
DicPoint <K, T> current = Table[index];
// If there is the same object.
if (current.Equals(dicPointBuffer))
{
return(false);
}
// Finding the end of the list or the same object.
while (current.next != null)
{
if (current.next.Equals(dicPointBuffer))
{
return(false);
}
current = current.next;
}
// Adding the element to the table.
current.next = dicPointBuffer;
}
// Adding the key and the value to the arrays and increasing the count.
AddKey((K)key);
AddValue((T)value);
Count++;
return(true);
}
// Constructor with a MyDictionary object parameter.
public MyDictionary(MyDictionary <K, T> dic)
{
Table = new DicPoint <K, T> [dic.Table.Length];
for (int i = 0; i < dic.Table.Length; i++)
{
this.Table[i] = dic.Table[i];
}
this.Keys = new K[dic.Keys.Length];
for (int i = 0; i < dic.Keys.Length; i++)
{
this.Keys[i] = dic.Keys[i];
}
this.Values = new T[dic.Values.Length];
for (int i = 0; i < dic.Values.Length; i++)
{
this.Values[i] = dic.Values[i];
}
Capacity = dic.capacity;
Count = dic.count;
}
// Constructor with a T parameter.
public DicPoint(K key, T ob)
{
value = ob;
this.key = key;
next = null;
}
// Constructor without parameters
public DicPoint()
{
value = default(T);
key = default(K);
next = null;
}
public static void EventsDemo()
{
Console.Clear();
// The first collection.
MyNewDictionary <int, State> dic1 = new MyNewDictionary <int, State>();
MyDictionary <int, State> buf = new MyDictionary <int, State>(4);
MyDicDemo.FillDic(ref buf);
dic1 = new MyNewDictionary <int, State>(buf);
dic1.Name = "dic1";
// The second collection.
MyNewDictionary <int, State> dic2 = new MyNewDictionary <int, State>(4);
buf = new MyDictionary <int, State>(4);
MyDicDemo.FillDic(ref buf);
dic2 = new MyNewDictionary <int, State>(buf);
dic2.Name = "dic2";
// The first journal.
Journal journal1 = new Journal();
// The second journal.
Journal journal2 = new Journal();
// Subscription of the first journal.
dic1.CollectionCountChanged += new CollectionHandler(journal1.CollectionCountChanged);
dic1.CollectionReferenceChanged += new CollectionHandler(journal1.CollectionReferenceChanged);
// Subscription of the second journal.
dic1.CollectionReferenceChanged += new CollectionHandler(journal2.CollectionReferenceChanged);
dic2.CollectionReferenceChanged += new CollectionHandler(journal2.CollectionReferenceChanged);
// Generating a random state object.
State rnd = MyDicDemo.RandomState();
// Adding the elem to the 1st collection.
dic1.Add(rnd.Name.Length, rnd);
// Removing an object from the 1st collection.
dic1.Remove(0);
// Changing a value int the 1st collection.
dic1.Remove(rnd);
DicPoint <int, State> dicPointBuf = new DicPoint <int, State>(rnd.Name.Length, rnd);
dic1[0] = dicPointBuf;
// Adding the elem to the 2nd collection.
dic2.Add(rnd.Name.Length, rnd);
// Removing an object from the 2nd collection.
dic2.Remove(0);
// Changing a value int the 2nd collection.
dic2.Remove(rnd);
dicPointBuf = new DicPoint <int, State>(rnd.Name.Length, rnd);
dic2[0] = dicPointBuf;
Console.WriteLine(journal1.ToString());
Console.WriteLine(journal2.ToString());
Console.WriteLine("Press ENTER to continue");
Console.ReadLine();
}
// Removing an object with the wanted value (parameter).
public bool Remove(object value)
{
// Index of the element.
int ind = -1;
if (Values != null)
{
// Getting the index.
for (int i = 0; i < Values.Length; i++)
{
if (Values[i].Equals((T)value))
{
ind = i;
break;
}
}
}
// If the elemet exists.
if (ind > -1)
{
// Getting the key of the object.
object key = Keys[ind];
// Getting the index og the object.
int index = GetIndex(key);
// Deleting it from the Keys.
DelFromKeys(ind);
// Deleting it from the Values.
DelFromValues(ind);
DicPoint <K, T> current = Table[index];
// IF it's the first in the list.
if (current.value.Equals((T)value))
{
Table[index] = null;
Count--;
}
else
{
// Looking till the end of the list.
while (current.next != null)
{
// If found.
if (current.next.value.Equals((T)value))
{
current.next = current.next.next;
Count--;
return(true);
}
current = current.next;
}
}
return(true);
}
else
{
return(false);
}
}
