Added PasswordTextBox to FlagConsole project.

Added demo of PasswordTextBox to FlagConsole.Demo project.

FlagConsole/FlagConsole.Demo/DemoScreen.cs

@@ -26,10 +26,11 @@ public DemoScreen()
                 };
             this.mainMenuPanel.Controls.Add(mainMenuTextLabel);
 
-            this.mainMenu = new Menu<Action> { RelativeLocation = new Coordinate(0, 7), Size = new Size(15, 10) };
+            this.mainMenu = new Menu<Action> { RelativeLocation = new Coordinate(0, 7), Size = new Size(18, 10) };
             this.mainMenu.Items.Add(new MenuItem<Action>("Label", this.ShowLabelDemo));
             this.mainMenu.Items.Add(new MenuItem<Action>("ListView", this.ShowListViewDemo));
             this.mainMenu.Items.Add(new MenuItem<Action>("TextBox", this.ShowTextBoxDemo));
+            this.mainMenu.Items.Add(new MenuItem<Action>("PasswordTextBox", this.ShowPasswordTextBoxDemo));
             this.mainMenu.Items.Add(new MenuItem<Action>("Rectangle", this.ShowRectangleDemo));
             this.mainMenu.Items.Add(new MenuItem<Action>("Line", this.ShowLineDemo));
             this.mainMenu.Items.Add(new MenuItem<Action>("Ellipse", this.ShowEllipseDemo));
@@ -60,7 +61,7 @@ private void SwitchDemoPanel(Panel panel)
             this.Controls.Remove(this.presentationPanel);
             this.presentationPanel = panel;
             this.presentationPanel.Size = new Size(45, 40);
-            this.presentationPanel.RelativeLocation = new Coordinate(35, 7);
+            this.presentationPanel.RelativeLocation = new Coordinate(33, 7);
             this.Controls.Add(this.presentationPanel);
         }
 
@@ -81,6 +82,13 @@ private void ShowTextBoxDemo()
             panel.Activate();
         }
 
+        private void ShowPasswordTextBoxDemo()
+        {
+            var panel = new PasswordTextBoxDemoPanel();
+            this.SwitchDemoPanel(panel);
+            panel.Activate();
+        }
+
         private void ShowRectangleDemo()
         {
             this.SwitchDemoPanel(new RectangleDemoPanel());

FlagConsole/FlagConsole.Demo/FlagConsole.Demo.csproj

@@ -40,6 +40,7 @@
     <Compile Include="LabelDemoPanel.cs" />
     <Compile Include="LineDemoPanel.cs" />
     <Compile Include="ListViewDemoPanel.cs" />
+    <Compile Include="PasswordTextBoxDemoPanel.cs" />
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="DemoScreen.cs" />

FlagConsole/FlagConsole.Demo/PasswordTextBoxDemoPanel.cs

@@ -0,0 +1,41 @@
+using System;
+using FlagConsole.Controls;
+using FlagConsole.Drawing;
+
+namespace FlagConsole.Demo
+{
+    public class PasswordTextBoxDemoPanel : Panel
+    {
+        private readonly Label _descriptionLabel;
+        private readonly Label _textLabel;
+        private readonly PasswordTextBox _passwordTextBox;
+
+        public PasswordTextBoxDemoPanel()
+        {
+            _descriptionLabel = new Label
+                { Text = "Enter a password and press enter. The maximum length is set to 5 characters, but it has a width of 8. Of course, this limits can be increased." };
+            _descriptionLabel.Size = new Size(_descriptionLabel.Text.Length/3 + 1, 4);
+            Controls.Add(_descriptionLabel);
+
+            _passwordTextBox = new PasswordTextBox { Size = new Size(8, 1), MaxLength = 5, RelativeLocation = new Coordinate(0, 4) };
+            _passwordTextBox.TextSubmitted += PasswordTextBoxPasswordSubmitted;
+            Controls.Add(_passwordTextBox);
+
+            _textLabel = new Label { RelativeLocation = new Coordinate(0, 6) };
+            Controls.Add(_textLabel);
+        }
+
+        private void PasswordTextBoxPasswordSubmitted(object sender, EventArgs e)
+        {
+            _textLabel.Text = "You have entered: " + _passwordTextBox.Password;
+            _textLabel.Size = new Size(_textLabel.Text.Length, 1);
+
+            OnInvalidated(EventArgs.Empty);
+        }
+
+        public void Activate()
+        {
+            _passwordTextBox.Focus();
+        }
+    }
+}

FlagConsole/FlagConsole/Controls/PasswordTextBox.cs

@@ -0,0 +1,42 @@
+using System;
+
+namespace FlagConsole.Controls
+{
+    /// <summary>
+    /// Provides a TextBox control, where the user can type passwords.
+    /// </summary>
+    public class PasswordTextBox : TextBox
+    {
+        public PasswordTextBox()
+        {
+            Password = string.Empty;
+            TextChanged += OnTextChanged;
+        }
+
+        /// <summary>
+        /// Gets the current password of the <see cref="PasswordTextBox"/>.
+        /// </summary>
+        /// <value>
+        /// The current password of the <see cref="PasswordTextBox"/>.
+        /// </value>
+        public string Password { get; private set; }
+
+        /// <summary>
+        /// Replace the entered character in the <see cref="PasswordTextBox"/> if any with * and save in Password property.
+        /// If character is deleted from the <see cref="PasswordTextBox"/> the character is deleted from the Password property.
+        /// </summary>
+        private void OnTextChanged(object sender, EventArgs eventArgs)
+        {
+            if(Text.Length > Password.Length)
+            {
+                var lastChar = Text[Text.Length - 1];
+                Password += lastChar;
+                Text = Text.Replace(lastChar, '*');
+            }
+            else if(Text.Length < Password.Length)
+            {
+                Password = Password.Remove(Password.Length - 1);
+            }
+        }
+    }
+}

FlagConsole/FlagConsole/FlagConsole.csproj

@@ -48,6 +48,7 @@
     <Compile Include="Controls\MenuEventArgs.cs" />
     <Compile Include="Controls\MenuItem.cs" />
     <Compile Include="Controls\Panel.cs" />
+    <Compile Include="Controls\PasswordTextBox.cs" />
     <Compile Include="Controls\Screen.cs" />
     <Compile Include="Controls\TextBox.cs" />
     <Compile Include="Controls\TextField.cs" />