using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using LSCollections;
namespace SkipListDemo
{
/// <summary>
/// SkipList demo form.
/// </summary>
public class DemoForm : System.Windows.Forms.Form
{
private System.Windows.Forms.GroupBox groupBox1;
private System.Windows.Forms.TextBox keyTextBox;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.TextBox valueTextBox;
private System.Windows.Forms.RadioButton addRButton;
private System.Windows.Forms.RadioButton containsRButton;
private System.Windows.Forms.RadioButton removeRButton;
private System.Windows.Forms.Button executeButton;
private System.Windows.Forms.RadioButton itemRButton;
private System.Windows.Forms.GroupBox groupBox2;
private System.Windows.Forms.Button idicEnumButton;
private System.Windows.Forms.Button idicEnumMoveNext;
private System.Windows.Forms.Button idicEnumReset;
private System.Windows.Forms.Button clearButton;
private System.Windows.Forms.ListBox keysListBox;
private System.Windows.Forms.Button keysButton;
private System.Windows.Forms.Button valuesButton;
private System.Windows.Forms.ListBox valuesListBox;
private System.Windows.Forms.GroupBox groupBox3;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.Label countLabel;
private System.Windows.Forms.Button copyToButton;
private System.Windows.Forms.ListBox elementsListBox;
private System.Windows.Forms.GroupBox groupBox4;
private System.Windows.Forms.TextBox currentTextBox;
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.Container components = null;
private SkipList list;
private IDictionaryEnumerator dicEnum;
private System.Windows.Forms.Button icolEnumReset;
private System.Windows.Forms.Button icolEnumMoveNext;
private System.Windows.Forms.Button icolEnumButton;
private IEnumerator colEnum;
public DemoForm()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
list = new SkipList();
countLabel.Text = list.Count.ToString();
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.groupBox1 = new System.Windows.Forms.GroupBox();
this.valuesButton = new System.Windows.Forms.Button();
this.valuesListBox = new System.Windows.Forms.ListBox();
this.keysButton = new System.Windows.Forms.Button();
this.keysListBox = new System.Windows.Forms.ListBox();
this.clearButton = new System.Windows.Forms.Button();
this.groupBox2 = new System.Windows.Forms.GroupBox();
this.idicEnumReset = new System.Windows.Forms.Button();
this.idicEnumMoveNext = new System.Windows.Forms.Button();
this.idicEnumButton = new System.Windows.Forms.Button();
this.itemRButton = new System.Windows.Forms.RadioButton();
this.executeButton = new System.Windows.Forms.Button();
this.removeRButton = new System.Windows.Forms.RadioButton();
this.containsRButton = new System.Windows.Forms.RadioButton();
this.addRButton = new System.Windows.Forms.RadioButton();
this.label2 = new System.Windows.Forms.Label();
this.valueTextBox = new System.Windows.Forms.TextBox();
this.label1 = new System.Windows.Forms.Label();
this.keyTextBox = new System.Windows.Forms.TextBox();
this.groupBox3 = new System.Windows.Forms.GroupBox();
this.groupBox4 = new System.Windows.Forms.GroupBox();
this.currentTextBox = new System.Windows.Forms.TextBox();
this.icolEnumReset = new System.Windows.Forms.Button();
this.icolEnumMoveNext = new System.Windows.Forms.Button();
this.icolEnumButton = new System.Windows.Forms.Button();
this.copyToButton = new System.Windows.Forms.Button();
this.elementsListBox = new System.Windows.Forms.ListBox();
this.countLabel = new System.Windows.Forms.Label();
this.label3 = new System.Windows.Forms.Label();
this.groupBox1.SuspendLayout();
this.groupBox2.SuspendLayout();
this.groupBox3.SuspendLayout();
this.groupBox4.SuspendLayout();
this.SuspendLayout();
//
// groupBox1
//
this.groupBox1.Controls.Add(this.valuesButton);
this.groupBox1.Controls.Add(this.valuesListBox);
this.groupBox1.Controls.Add(this.keysButton);
this.groupBox1.Controls.Add(this.keysListBox);
this.groupBox1.Controls.Add(this.clearButton);
this.groupBox1.Controls.Add(this.groupBox2);
this.groupBox1.Controls.Add(this.itemRButton);
this.groupBox1.Controls.Add(this.executeButton);
this.groupBox1.Controls.Add(this.removeRButton);
this.groupBox1.Controls.Add(this.containsRButton);
this.groupBox1.Controls.Add(this.addRButton);
this.groupBox1.Controls.Add(this.label2);
this.groupBox1.Controls.Add(this.valueTextBox);
this.groupBox1.Controls.Add(this.label1);
this.groupBox1.Controls.Add(this.keyTextBox);
this.groupBox1.Location = new System.Drawing.Point(8, 8);
this.groupBox1.Name = "groupBox1";
this.groupBox1.Size = new System.Drawing.Size(520, 232);
this.groupBox1.TabIndex = 0;
this.groupBox1.TabStop = false;
this.groupBox1.Text = "IDictionary ";
//
// valuesButton
//
this.valuesButton.Location = new System.Drawing.Point(400, 192);
this.valuesButton.Name = "valuesButton";
this.valuesButton.TabIndex = 9;
this.valuesButton.Text = "Values";
this.valuesButton.Click += new System.EventHandler(this.valuesButton_Click);
//
// valuesListBox
//
this.valuesListBox.Location = new System.Drawing.Point(376, 128);
this.valuesListBox.Name = "valuesListBox";
this.valuesListBox.SelectionMode = System.Windows.Forms.SelectionMode.None;
this.valuesListBox.Size = new System.Drawing.Size(120, 56);
this.valuesListBox.TabIndex = 10;
//
// keysButton
//
this.keysButton.Location = new System.Drawing.Point(400, 88);
this.keysButton.Name = "keysButton";
this.keysButton.TabIndex = 8;
this.keysButton.Text = "Keys";
this.keysButton.Click += new System.EventHandler(this.keysButton_Click);
//
// keysListBox
//
this.keysListBox.Location = new System.Drawing.Point(376, 24);
this.keysListBox.Name = "keysListBox";
this.keysListBox.SelectionMode = System.Windows.Forms.SelectionMode.None;
this.keysListBox.Size = new System.Drawing.Size(120, 56);
this.keysListBox.TabIndex = 12;
//
// clearButton
//
this.clearButton.Location = new System.Drawing.Point(264, 192);
this.clearButton.Name = "clearButton";
this.clearButton.TabIndex = 7;
this.clearButton.Text = "Clear";
this.clearButton.Click += new System.EventHandler(this.clearButton_Click);
//
// groupBox2
//
this.groupBox2.Controls.Add(this.idicEnumReset);
this.groupBox2.Controls.Add(this.idicEnumMoveNext);
this.groupBox2.Controls.Add(this.idicEnumButton);
this.groupBox2.Location = new System.Drawing.Point(16, 96);
this.groupBox2.Name = "groupBox2";
this.groupBox2.Size = new System.Drawing.Size(232, 120);
this.groupBox2.TabIndex = 9;
this.groupBox2.TabStop = false;
this.groupBox2.Text = "IDictionaryEnumerator";
//
// idicEnumReset
//
this.idicEnumReset.Location = new System.Drawing.Point(72, 80);
this.idicEnumReset.Name = "idicEnumReset";
this.idicEnumReset.Size = new System.Drawing.Size(88, 23);
this.idicEnumReset.TabIndex = 2;
this.idicEnumReset.Text = "Reset";
this.idicEnumReset.Click += new System.EventHandler(this.idicEnumReset_Click);
//
// idicEnumMoveNext
//
this.idicEnumMoveNext.Location = new System.Drawing.Point(120, 32);
this.idicEnumMoveNext.Name = "idicEnumMoveNext";
this.idicEnumMoveNext.Size = new System.Drawing.Size(96, 23);
this.idicEnumMoveNext.TabIndex = 1;
this.idicEnumMoveNext.Text = "Move Next";
this.idicEnumMoveNext.Click += new System.EventHandler(this.idicEnumMoveNext_Click);
//
// idicEnumButton
//
this.idicEnumButton.Location = new System.Drawing.Point(16, 32);
this.idicEnumButton.Name = "idicEnumButton";
this.idicEnumButton.Size = new System.Drawing.Size(96, 23);
this.idicEnumButton.TabIndex = 0;
this.idicEnumButton.Text = "Get Enumerator";
this.idicEnumButton.Click += new System.EventHandler(this.idicEnumButton_Click);
//
// itemRButton
//
this.itemRButton.Location = new System.Drawing.Point(272, 120);
this.itemRButton.Name = "itemRButton";
this.itemRButton.Size = new System.Drawing.Size(48, 24);
this.itemRButton.TabIndex = 5;
this.itemRButton.Text = "Item";
//
// executeButton
//
this.executeButton.Location = new System.Drawing.Point(264, 152);
this.executeButton.Name = "executeButton";
this.executeButton.TabIndex = 6;
this.executeButton.Text = "Execute";
this.executeButton.Click += new System.EventHandler(this.executeButton_Click);
//
// removeRButton
//
this.removeRButton.Location = new System.Drawing.Point(272, 88);
this.removeRButton.Name = "removeRButton";
this.removeRButton.Size = new System.Drawing.Size(88, 24);
this.removeRButton.TabIndex = 4;
this.removeRButton.Text = "Remove";
//
// containsRButton
//
this.containsRButton.Location = new System.Drawing.Point(272, 56);
this.containsRButton.Name = "containsRButton";
this.containsRButton.Size = new System.Drawing.Size(88, 24);
this.containsRButton.TabIndex = 3;
this.containsRButton.Text = "Contains";
//
// addRButton
//
this.addRButton.Checked = true;
this.addRButton.Location = new System.Drawing.Point(272, 24);
this.addRButton.Name = "addRButton";
this.addRButton.Size = new System.Drawing.Size(56, 24);
this.addRButton.TabIndex = 2;
this.addRButton.TabStop = true;
this.addRButton.Text = "Add";
//
// label2
//
this.label2.Location = new System.Drawing.Point(176, 32);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(40, 16);
this.label2.TabIndex = 3;
this.label2.Text = "Value";
//
// valueTextBox
//
this.valueTextBox.Location = new System.Drawing.Point(144, 56);
this.valueTextBox.Name = "valueTextBox";
this.valueTextBox.TabIndex = 1;
this.valueTextBox.Text = "";
//
// label1
//
this.label1.Location = new System.Drawing.Point(56, 32);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(32, 16);
this.label1.TabIndex = 1;
this.label1.Text = "Key";
//
// keyTextBox
//
this.keyTextBox.Location = new System.Drawing.Point(16, 56);
this.keyTextBox.Name = "keyTextBox";
this.keyTextBox.TabIndex = 0;
this.keyTextBox.Text = "";
//
// groupBox3
//
this.groupBox3.Controls.Add(this.groupBox4);
this.groupBox3.Controls.Add(this.copyToButton);
this.groupBox3.Controls.Add(this.elementsListBox);
this.groupBox3.Controls.Add(this.countLabel);
this.groupBox3.Controls.Add(this.label3);
this.groupBox3.Location = new System.Drawing.Point(16, 248);
this.groupBox3.Name = "groupBox3";
this.groupBox3.Size = new System.Drawing.Size(512, 160);
this.groupBox3.TabIndex = 0;
this.groupBox3.TabStop = false;
this.groupBox3.Text = "ICollection";
//
// groupBox4
//
this.groupBox4.Controls.Add(this.currentTextBox);
this.groupBox4.Controls.Add(this.icolEnumReset);
this.groupBox4.Controls.Add(this.icolEnumMoveNext);
this.groupBox4.Controls.Add(this.icolEnumButton);
this.groupBox4.Location = new System.Drawing.Point(152, 24);
this.groupBox4.Name = "groupBox4";
this.groupBox4.Size = new System.Drawing.Size(232, 120);
this.groupBox4.TabIndex = 17;
this.groupBox4.TabStop = false;
this.groupBox4.Text = "ICollectionEnumerator";
//
// currentTextBox
//
this.currentTextBox.Location = new System.Drawing.Point(120, 80);
this.currentTextBox.Name = "currentTextBox";
this.currentTextBox.ReadOnly = true;
this.currentTextBox.Size = new System.Drawing.Size(96, 20);
this.currentTextBox.TabIndex = 3;
this.currentTextBox.Text = "";
//
// icolEnumReset
//
this.icolEnumReset.Location = new System.Drawing.Point(16, 80);
this.icolEnumReset.Name = "icolEnumReset";
this.icolEnumReset.Size = new System.Drawing.Size(88, 23);
this.icolEnumReset.TabIndex = 2;
this.icolEnumReset.Text = "Reset";
this.icolEnumReset.Click += new System.EventHandler(this.icolEnumReset_Click);
//
// icolEnumMoveNext
//
this.icolEnumMoveNext.Location = new System.Drawing.Point(120, 32);
this.icolEnumMoveNext.Name = "icolEnumMoveNext";
this.icolEnumMoveNext.Size = new System.Drawing.Size(96, 23);
this.icolEnumMoveNext.TabIndex = 1;
this.icolEnumMoveNext.Text = "Move Next";
this.icolEnumMoveNext.Click += new System.EventHandler(this.icolEnumMoveNext_Click);
//
// icolEnumButton
//
this.icolEnumButton.Location = new System.Drawing.Point(16, 32);
this.icolEnumButton.Name = "icolEnumButton";
this.icolEnumButton.Size = new System.Drawing.Size(96, 23);
this.icolEnumButton.TabIndex = 0;
this.icolEnumButton.Text = "Get Enumerator";
this.icolEnumButton.Click += new System.EventHandler(this.icolEnumButton_Click);
//
// copyToButton
//
this.copyToButton.Location = new System.Drawing.Point(40, 112);
this.copyToButton.Name = "copyToButton";
this.copyToButton.TabIndex = 0;
this.copyToButton.Text = "Copy To";
this.copyToButton.Click += new System.EventHandler(this.copyToButton_Click);
//
// elementsListBox
//
this.elementsListBox.Location = new System.Drawing.Point(16, 32);
this.elementsListBox.Name = "elementsListBox";
this.elementsListBox.SelectionMode = System.Windows.Forms.SelectionMode.None;
this.elementsListBox.Size = new System.Drawing.Size(120, 69);
this.elementsListBox.TabIndex = 0;
//
// countLabel
//
this.countLabel.Location = new System.Drawing.Point(440, 32);
this.countLabel.Name = "countLabel";
this.countLabel.Size = new System.Drawing.Size(64, 16);
this.countLabel.TabIndex = 1;
//
// label3
//
this.label3.Location = new System.Drawing.Point(392, 32);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(40, 16);
this.label3.TabIndex = 0;
this.label3.Text = "Count:";
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(536, 430);
this.Controls.Add(this.groupBox3);
this.Controls.Add(this.groupBox1);
this.Name = "Form1";
this.Text = "SkipList Demo";
this.groupBox1.ResumeLayout(false);
this.groupBox2.ResumeLayout(false);
this.groupBox3.ResumeLayout(false);
this.groupBox4.ResumeLayout(false);
this.ResumeLayout(false);
}
#endregion
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new DemoForm());
}
/// <summary>
/// Event handler for the Execute button.
/// </summary>
private void executeButton_Click(object sender, System.EventArgs e)
{
string key = keyTextBox.Text;
string val = valueTextBox.Text;
try
{
// If the add radio button is checked.
if(addRButton.Checked)
{
// Add item to skip list.
list.Add(key, val);
// Show the number of items in the skip list.
countLabel.Text = list.Count.ToString();
}
// Else if the contains radio button is checked.
else if(containsRButton.Checked)
{
//
// Check to see if it contains the key and display a
// message showing the results.
//
if(list.Contains(key))
{
MessageBox.Show("SkipList contains " + key);
}
else
{
MessageBox.Show("SkipList does not contain " + key);
}
}
// Else if the remove radio button is checked.
else if(removeRButton.Checked)
{
// Remove item from the skip list.
list.Remove(key);
// Show the number of items in the skip list.
countLabel.Text = list.Count.ToString();
}
// Else the item radio button is checked.
else
{
// Insert value into skip list.
list[key] = val;
// Show the number of items in the skip list.
countLabel.Text = list.Count.ToString();
}
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
/// <summary>
/// Event handler for the Clear button.
/// </summary>
private void clearButton_Click(object sender, System.EventArgs e)
{
//
// Clear the skip list and the form.
//
list.Clear();
countLabel.Text = list.Count.ToString();
keysListBox.Items.Clear();
valuesListBox.Items.Clear();
elementsListBox.Items.Clear();
keyTextBox.Text = "";
valueTextBox.Text = "";
currentTextBox.Text = "";
}
/// <summary>
/// Event handler for the dictionary enumerator button.
/// </summary>
private void idicEnumButton_Click(object sender, System.EventArgs e)
{
// Get dictionary enumerator.
dicEnum = list.GetEnumerator();
}
/// <summary>
/// Event handler for the dictionary enumerator move next button.
/// </summary>
private void idicEnumMoveNext_Click(object sender, System.EventArgs e)
{
// If a dictionary enumerator exists.
if(dicEnum != null)
{
try
{
// Move to next element and display it.
if(dicEnum.MoveNext())
{
keyTextBox.Text = dicEnum.Entry.Key.ToString();
valueTextBox.Text = dicEnum.Entry.Value.ToString();
}
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
/// <summary>
/// Event handler for the dictionary enumerator reset button.
/// </summary>
private void idicEnumReset_Click(object sender, System.EventArgs e)
{
// If the dictionary enumerator exists.
if(dicEnum != null)
{
try
{
// Reset the enumerator.
dicEnum.Reset();
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
/// <summary>
/// Event handler for the Keys button.
/// </summary>
private void keysButton_Click(object sender, System.EventArgs e)
{
// Get the collection of keys from the skip list.
ICollection col = list.Keys;
// Get enumerator from collection.
IEnumerator en = col.GetEnumerator();
// Clear the keys list box.
keysListBox.Items.Clear();
// Fill keys list box with the keys from the collection.
while(en.MoveNext())
{
keysListBox.Items.Add(en.Current);
}
}
/// <summary>
/// Event handler for the Values button.
/// </summary>
private void valuesButton_Click(object sender, System.EventArgs e)
{
// Get the collection of values from the skip list.
ICollection col = list.Values;
// Get enumerator from the collection.
IEnumerator en = col.GetEnumerator();
// Clear values list box.
valuesListBox.Items.Clear();
// Fill values list box with the values from the collection.
while(en.MoveNext())
{
valuesListBox.Items.Add(en.Current);
}
}
/// <summary>
/// Event handler for the collection enumerator button.
/// </summary>
private void icolEnumButton_Click(object sender, System.EventArgs e)
{
// Get enumerator from the collection.
ICollection col = (ICollection)list;
colEnum = col.GetEnumerator();
}
/// <summary>
/// Event handler for the collection move next button.
/// </summary>
private void icolEnumMoveNext_Click(object sender, System.EventArgs e)
{
// If collection enumerator exists.
if(colEnum != null)
{
try
{
// Move to next element and display it.
if(colEnum.MoveNext())
{
currentTextBox.Text = colEnum.Current.ToString();
}
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
/// <summary>
/// Event handler for resetting the collection enumerator button.
/// </summary>
private void icolEnumReset_Click(object sender, System.EventArgs e)
{
// If a collection enumerator exists.
if(colEnum != null)
{
try
{
// Reset enumerator.
colEnum.Reset();
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
/// <summary>
/// Event handler for the CopyTo button.
/// </summary>
private void copyToButton_Click(object sender, System.EventArgs e)
{
// Array for holding the objects to be copied from the collection.
object[] elements = new object[list.Count];
// The collection for the CopyTo operation.
ICollection col = (ICollection)list;
// Clear list box for displaying the copied elements.
elementsListBox.Items.Clear();
try
{
// Copy objects to the array.
col.CopyTo(elements, 0);
// Add copied elements to the list box.
for(int i = 0; i < elements.Length; i++)
{
elementsListBox.Items.Add(elements[i]);
}
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
}
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