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FlexibleMessageBox.cs
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FlexibleMessageBox.cs
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using System;
using System.Diagnostics;
using System.Drawing;
using System.Globalization;
using System.Linq;
using System.Windows.Forms;
namespace JR.Utils.GUI.Forms
{
/* FlexibleMessageBox – A flexible replacement for the .NET MessageBox
*
* Author: Jörg Reichert ([email protected])
* Contributors: Thanks to: David Hall, Roink
* Version: 1.3
* Published at: http://www.codeproject.com/Articles/601900/FlexibleMessageBox
*
************************************************************************************************************
* Features:
* - It can be simply used instead of MessageBox since all important static "Show"-Functions are supported
* - It is small, only one source file, which could be added easily to each solution
* - It can be resized and the content is correctly word-wrapped
* - It tries to auto-size the width to show the longest text row
* - It never exceeds the current desktop working area
* - It displays a vertical scrollbar when needed
* - It does support hyperlinks in text
*
* Because the interface is identical to MessageBox, you can add this single source file to your project
* and use the FlexibleMessageBox almost everywhere you use a standard MessageBox.
* The goal was NOT to produce as many features as possible but to provide a simple replacement to fit my
* own needs. Feel free to add additional features on your own, but please left my credits in this class.
*
************************************************************************************************************
* Usage examples:
*
* FlexibleMessageBox.Show("Just a text");
*
* FlexibleMessageBox.Show("A text",
* "A caption");
*
* FlexibleMessageBox.Show("Some text with a link: www.google.com",
* "Some caption",
* MessageBoxButtons.AbortRetryIgnore,
* MessageBoxIcon.Information,
* MessageBoxDefaultButton.Button2);
*
* var dialogResult = FlexibleMessageBox.Show("Do you know the answer to life the universe and everything?",
* "One short question",
* MessageBoxButtons.YesNo);
*
************************************************************************************************************
* THE SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS", WITHOUT WARRANTY
* OF ANY KIND, EXPRESS OR IMPLIED. IN NO EVENT SHALL THE AUTHOR BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OF THIS
* SOFTWARE.
*
************************************************************************************************************
* History:
* Version 1.3 - 19.Dezember 2014
* - Added refactoring function GetButtonText()
* - Used CurrentUICulture instead of InstalledUICulture
* - Added more button localizations. Supported languages are now: ENGLISH, GERMAN, SPANISH, ITALIAN
* - Added standard MessageBox handling for "copy to clipboard" with <Ctrl> + <C> and <Ctrl> + <Insert>
* - Tab handling is now corrected (only tabbing over the visible buttons)
* - Added standard MessageBox handling for ALT-Keyboard shortcuts
* - SetDialogSizes: Refactored completely: Corrected sizing and added caption driven sizing
*
* Version 1.2 - 10.August 2013
* - Do not ShowInTaskbar anymore (original MessageBox is also hidden in taskbar)
* - Added handling for Escape-Button
* - Adapted top right close button (red X) to behave like MessageBox (but hidden instead of deactivated)
*
* Version 1.1 - 14.June 2013
* - Some Refactoring
* - Added internal form class
* - Added missing code comments, etc.
*
* Version 1.0 - 15.April 2013
* - Initial Version
*/
public class FlexibleMessageBox
{
#region Public statics
/// <summary>
/// Defines the maximum width for all FlexibleMessageBox instances in percent of the working area.
///
/// Allowed values are 0.2 - 1.0 where:
/// 0.2 means: The FlexibleMessageBox can be at most half as wide as the working area.
/// 1.0 means: The FlexibleMessageBox can be as wide as the working area.
///
/// Default is: 70% of the working area width.
/// </summary>
public static double MAX_WIDTH_FACTOR = 0.7;
/// <summary>
/// Defines the maximum height for all FlexibleMessageBox instances in percent of the working area.
///
/// Allowed values are 0.2 - 1.0 where:
/// 0.2 means: The FlexibleMessageBox can be at most half as high as the working area.
/// 1.0 means: The FlexibleMessageBox can be as high as the working area.
///
/// Default is: 90% of the working area height.
/// </summary>
public static double MAX_HEIGHT_FACTOR = 0.9;
/// <summary>
/// Defines the font for all FlexibleMessageBox instances.
///
/// Default is: SystemFonts.MessageBoxFont
/// </summary>
public static Font FONT = SystemFonts.MessageBoxFont;
#endregion
#region Public show functions
/// <summary>
/// Shows the specified message box.
/// </summary>
/// <param name="text">The text.</param>
/// <returns>The dialog result.</returns>
public static DialogResult Show(string text)
{
return FlexibleMessageBoxForm.Show(null, text, string.Empty, MessageBoxButtons.OK, MessageBoxIcon.None, MessageBoxDefaultButton.Button1);
}
/// <summary>
/// Shows the specified message box.
/// </summary>
/// <param name="owner">The owner.</param>
/// <param name="text">The text.</param>
/// <returns>The dialog result.</returns>
public static DialogResult Show(IWin32Window owner, string text)
{
return FlexibleMessageBoxForm.Show(owner, text, string.Empty, MessageBoxButtons.OK, MessageBoxIcon.None, MessageBoxDefaultButton.Button1);
}
/// <summary>
/// Shows the specified message box.
/// </summary>
/// <param name="text">The text.</param>
/// <param name="caption">The caption.</param>
/// <returns>The dialog result.</returns>
public static DialogResult Show(string text, string caption)
{
return FlexibleMessageBoxForm.Show(null, text, caption, MessageBoxButtons.OK, MessageBoxIcon.None, MessageBoxDefaultButton.Button1);
}
/// <summary>
/// Shows the specified message box.
/// </summary>
/// <param name="owner">The owner.</param>
/// <param name="text">The text.</param>
/// <param name="caption">The caption.</param>
/// <returns>The dialog result.</returns>
public static DialogResult Show(IWin32Window owner, string text, string caption)
{
return FlexibleMessageBoxForm.Show(owner, text, caption, MessageBoxButtons.OK, MessageBoxIcon.None, MessageBoxDefaultButton.Button1);
}
/// <summary>
/// Shows the specified message box.
/// </summary>
/// <param name="text">The text.</param>
/// <param name="caption">The caption.</param>
/// <param name="buttons">The buttons.</param>
/// <returns>The dialog result.</returns>
public static DialogResult Show(string text, string caption, MessageBoxButtons buttons)
{
return FlexibleMessageBoxForm.Show(null, text, caption, buttons, MessageBoxIcon.None, MessageBoxDefaultButton.Button1);
}
/// <summary>
/// Shows the specified message box.
/// </summary>
/// <param name="owner">The owner.</param>
/// <param name="text">The text.</param>
/// <param name="caption">The caption.</param>
/// <param name="buttons">The buttons.</param>
/// <returns>The dialog result.</returns>
public static DialogResult Show(IWin32Window owner, string text, string caption, MessageBoxButtons buttons)
{
return FlexibleMessageBoxForm.Show(owner, text, caption, buttons, MessageBoxIcon.None, MessageBoxDefaultButton.Button1);
}
/// <summary>
/// Shows the specified message box.
/// </summary>
/// <param name="text">The text.</param>
/// <param name="caption">The caption.</param>
/// <param name="buttons">The buttons.</param>
/// <param name="icon">The icon.</param>
/// <returns></returns>
public static DialogResult Show(string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon)
{
return FlexibleMessageBoxForm.Show(null, text, caption, buttons, icon, MessageBoxDefaultButton.Button1);
}
/// <summary>
/// Shows the specified message box.
/// </summary>
/// <param name="owner">The owner.</param>
/// <param name="text">The text.</param>
/// <param name="caption">The caption.</param>
/// <param name="buttons">The buttons.</param>
/// <param name="icon">The icon.</param>
/// <returns>The dialog result.</returns>
public static DialogResult Show(IWin32Window owner, string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon)
{
return FlexibleMessageBoxForm.Show(owner, text, caption, buttons, icon, MessageBoxDefaultButton.Button1);
}
/// <summary>
/// Shows the specified message box.
/// </summary>
/// <param name="text">The text.</param>
/// <param name="caption">The caption.</param>
/// <param name="buttons">The buttons.</param>
/// <param name="icon">The icon.</param>
/// <param name="defaultButton">The default button.</param>
/// <returns>The dialog result.</returns>
public static DialogResult Show(string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon, MessageBoxDefaultButton defaultButton)
{
return FlexibleMessageBoxForm.Show(null, text, caption, buttons, icon, defaultButton);
}
/// <summary>
/// Shows the specified message box.
/// </summary>
/// <param name="owner">The owner.</param>
/// <param name="text">The text.</param>
/// <param name="caption">The caption.</param>
/// <param name="buttons">The buttons.</param>
/// <param name="icon">The icon.</param>
/// <param name="defaultButton">The default button.</param>
/// <returns>The dialog result.</returns>
public static DialogResult Show(IWin32Window owner, string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon, MessageBoxDefaultButton defaultButton)
{
return FlexibleMessageBoxForm.Show(owner, text, caption, buttons, icon, defaultButton);
}
#endregion
#region Internal form class
/// <summary>
/// The form to show the customized message box.
/// It is defined as an internal class to keep the public interface of the FlexibleMessageBox clean.
/// </summary>
class FlexibleMessageBoxForm : Form
{
#region Form-Designer generated code
/// <summary>
/// Erforderliche Designervariable.
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// Verwendete Ressourcen bereinigen.
/// </summary>
/// <param name="disposing">True, wenn verwaltete Ressourcen gelöscht werden sollen; andernfalls False.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
/// <summary>
/// Erforderliche Methode für die Designerunterstützung.
/// Der Inhalt der Methode darf nicht mit dem Code-Editor geändert werden.
/// </summary>
private void InitializeComponent()
{
this.components = new System.ComponentModel.Container();
this.button1 = new System.Windows.Forms.Button();
this.richTextBoxMessage = new System.Windows.Forms.RichTextBox();
this.FlexibleMessageBoxFormBindingSource = new System.Windows.Forms.BindingSource(this.components);
this.panel1 = new System.Windows.Forms.Panel();
this.pictureBoxForIcon = new System.Windows.Forms.PictureBox();
this.button2 = new System.Windows.Forms.Button();
this.button3 = new System.Windows.Forms.Button();
((System.ComponentModel.ISupportInitialize)(this.FlexibleMessageBoxFormBindingSource)).BeginInit();
this.panel1.SuspendLayout();
((System.ComponentModel.ISupportInitialize)(this.pictureBoxForIcon)).BeginInit();
this.SuspendLayout();
//
// button1
//
this.button1.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.button1.AutoSize = true;
this.button1.DialogResult = System.Windows.Forms.DialogResult.OK;
this.button1.Location = new System.Drawing.Point(11, 67);
this.button1.MinimumSize = new System.Drawing.Size(0, 24);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(75, 24);
this.button1.TabIndex = 2;
this.button1.Text = "OK";
this.button1.UseVisualStyleBackColor = true;
this.button1.Visible = false;
//
// richTextBoxMessage
//
this.richTextBoxMessage.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.richTextBoxMessage.BackColor = System.Drawing.Color.White;
this.richTextBoxMessage.BorderStyle = System.Windows.Forms.BorderStyle.None;
this.richTextBoxMessage.DataBindings.Add(new System.Windows.Forms.Binding("Text", this.FlexibleMessageBoxFormBindingSource, "MessageText", true, System.Windows.Forms.DataSourceUpdateMode.OnPropertyChanged));
this.richTextBoxMessage.Font = new System.Drawing.Font("Microsoft Sans Serif", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.richTextBoxMessage.Location = new System.Drawing.Point(50, 26);
this.richTextBoxMessage.Margin = new System.Windows.Forms.Padding(0);
this.richTextBoxMessage.Name = "richTextBoxMessage";
this.richTextBoxMessage.ReadOnly = true;
this.richTextBoxMessage.ScrollBars = System.Windows.Forms.RichTextBoxScrollBars.Vertical;
this.richTextBoxMessage.Size = new System.Drawing.Size(200, 20);
this.richTextBoxMessage.TabIndex = 0;
this.richTextBoxMessage.TabStop = false;
this.richTextBoxMessage.Text = "<Message>";
this.richTextBoxMessage.LinkClicked += new System.Windows.Forms.LinkClickedEventHandler(this.richTextBoxMessage_LinkClicked);
//
// panel1
//
this.panel1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.panel1.BackColor = System.Drawing.Color.White;
this.panel1.Controls.Add(this.pictureBoxForIcon);
this.panel1.Controls.Add(this.richTextBoxMessage);
this.panel1.Location = new System.Drawing.Point(-3, -4);
this.panel1.Name = "panel1";
this.panel1.Size = new System.Drawing.Size(268, 59);
this.panel1.TabIndex = 1;
//
// pictureBoxForIcon
//
this.pictureBoxForIcon.BackColor = System.Drawing.Color.Transparent;
this.pictureBoxForIcon.Location = new System.Drawing.Point(15, 19);
this.pictureBoxForIcon.Name = "pictureBoxForIcon";
this.pictureBoxForIcon.Size = new System.Drawing.Size(32, 32);
this.pictureBoxForIcon.TabIndex = 8;
this.pictureBoxForIcon.TabStop = false;
//
// button2
//
this.button2.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.button2.DialogResult = System.Windows.Forms.DialogResult.OK;
this.button2.Location = new System.Drawing.Point(92, 67);
this.button2.MinimumSize = new System.Drawing.Size(0, 24);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(75, 24);
this.button2.TabIndex = 3;
this.button2.Text = "OK";
this.button2.UseVisualStyleBackColor = true;
this.button2.Visible = false;
//
// button3
//
this.button3.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.button3.AutoSize = true;
this.button3.DialogResult = System.Windows.Forms.DialogResult.OK;
this.button3.Location = new System.Drawing.Point(173, 67);
this.button3.MinimumSize = new System.Drawing.Size(0, 24);
this.button3.Name = "button3";
this.button3.Size = new System.Drawing.Size(75, 24);
this.button3.TabIndex = 0;
this.button3.Text = "OK";
this.button3.UseVisualStyleBackColor = true;
this.button3.Visible = false;
//
// FlexibleMessageBoxForm
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(260, 102);
this.Controls.Add(this.button3);
this.Controls.Add(this.button2);
this.Controls.Add(this.panel1);
this.Controls.Add(this.button1);
this.DataBindings.Add(new System.Windows.Forms.Binding("Text", this.FlexibleMessageBoxFormBindingSource, "CaptionText", true));
this.MaximizeBox = false;
this.MinimizeBox = false;
this.MinimumSize = new System.Drawing.Size(276, 140);
this.Name = "FlexibleMessageBoxForm";
this.ShowIcon = false;
this.SizeGripStyle = System.Windows.Forms.SizeGripStyle.Show;
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
this.Text = "<Caption>";
this.Shown += new System.EventHandler(this.FlexibleMessageBoxForm_Shown);
((System.ComponentModel.ISupportInitialize)(this.FlexibleMessageBoxFormBindingSource)).EndInit();
this.panel1.ResumeLayout(false);
((System.ComponentModel.ISupportInitialize)(this.pictureBoxForIcon)).EndInit();
this.ResumeLayout(false);
this.PerformLayout();
}
private System.Windows.Forms.Button button1;
private System.Windows.Forms.BindingSource FlexibleMessageBoxFormBindingSource;
private System.Windows.Forms.RichTextBox richTextBoxMessage;
private System.Windows.Forms.Panel panel1;
private System.Windows.Forms.PictureBox pictureBoxForIcon;
private System.Windows.Forms.Button button2;
private System.Windows.Forms.Button button3;
#endregion
#region Private constants
//These separators are used for the "copy to clipboard" standard operation, triggered by Ctrl + C (behavior and clipboard format is like in a standard MessageBox)
private static readonly String STANDARD_MESSAGEBOX_SEPARATOR_LINES = "---------------------------\n";
private static readonly String STANDARD_MESSAGEBOX_SEPARATOR_SPACES = " ";
//These are the possible buttons (in a standard MessageBox)
private enum ButtonID { OK = 0, CANCEL, YES, NO, ABORT, RETRY, IGNORE };
//These are the buttons texts for different languages.
//If you want to add a new language, add it here and in the GetButtonText-Function
private enum TwoLetterISOLanguageID { en, de, es, it };
private static readonly String[] BUTTON_TEXTS_ENGLISH_EN = { "OK", "Cancel", "&Да", "&Нет", "&Abort", "&Retry", "&Ignore" }; //Note: This is also the fallback language
private static readonly String[] BUTTON_TEXTS_GERMAN_DE = { "OK", "Abbrechen", "&Ja", "&Nein", "&Abbrechen", "&Wiederholen", "&Ignorieren" };
private static readonly String[] BUTTON_TEXTS_SPANISH_ES = { "Aceptar", "Cancelar", "&Sí", "&No", "&Abortar", "&Reintentar", "&Ignorar" };
private static readonly String[] BUTTON_TEXTS_ITALIAN_IT = { "OK", "Annulla", "&Sì", "&No", "&Interrompi", "&Riprova", "&Ignora" };
#endregion
#region Private members
private MessageBoxDefaultButton defaultButton;
private int visibleButtonsCount;
private TwoLetterISOLanguageID languageID = TwoLetterISOLanguageID.en;
#endregion
#region Private constructor
/// <summary>
/// Initializes a new instance of the <see cref="FlexibleMessageBoxForm"/> class.
/// </summary>
private FlexibleMessageBoxForm()
{
InitializeComponent();
//Try to evaluate the language. If this fails, the fallback language English will be used
Enum.TryParse<TwoLetterISOLanguageID>(CultureInfo.CurrentUICulture.TwoLetterISOLanguageName, out this.languageID);
this.KeyPreview = true;
this.KeyUp += FlexibleMessageBoxForm_KeyUp;
}
#endregion
#region Private helper functions
/// <summary>
/// Gets the string rows.
/// </summary>
/// <param name="message">The message.</param>
/// <returns>The string rows as 1-dimensional array</returns>
private static string[] GetStringRows(string message)
{
if (string.IsNullOrEmpty(message)) return null;
var messageRows = message.Split(new char[] { '\n' }, StringSplitOptions.None);
return messageRows;
}
/// <summary>
/// Gets the button text for the CurrentUICulture language.
/// Note: The fallback language is English
/// </summary>
/// <param name="buttonID">The ID of the button.</param>
/// <returns>The button text</returns>
private string GetButtonText(ButtonID buttonID)
{
var buttonTextArrayIndex = Convert.ToInt32(buttonID);
switch (this.languageID)
{
case TwoLetterISOLanguageID.de: return BUTTON_TEXTS_GERMAN_DE[buttonTextArrayIndex];
case TwoLetterISOLanguageID.es: return BUTTON_TEXTS_SPANISH_ES[buttonTextArrayIndex];
case TwoLetterISOLanguageID.it: return BUTTON_TEXTS_ITALIAN_IT[buttonTextArrayIndex];
default: return BUTTON_TEXTS_ENGLISH_EN[buttonTextArrayIndex];
}
}
/// <summary>
/// Ensure the given working area factor in the range of 0.2 - 1.0 where:
///
/// 0.2 means: 20 percent of the working area height or width.
/// 1.0 means: 100 percent of the working area height or width.
/// </summary>
/// <param name="workingAreaFactor">The given working area factor.</param>
/// <returns>The corrected given working area factor.</returns>
private static double GetCorrectedWorkingAreaFactor(double workingAreaFactor)
{
const double MIN_FACTOR = 0.2;
const double MAX_FACTOR = 1.0;
if (workingAreaFactor < MIN_FACTOR) return MIN_FACTOR;
if (workingAreaFactor > MAX_FACTOR) return MAX_FACTOR;
return workingAreaFactor;
}
/// <summary>
/// Set the dialogs start position when given.
/// Otherwise center the dialog on the current screen.
/// </summary>
/// <param name="flexibleMessageBoxForm">The FlexibleMessageBox dialog.</param>
/// <param name="owner">The owner.</param>
private static void SetDialogStartPosition(FlexibleMessageBoxForm flexibleMessageBoxForm, IWin32Window owner)
{
//If no owner given: Center on current screen
if (owner == null)
{
var screen = Screen.FromPoint(Cursor.Position);
flexibleMessageBoxForm.StartPosition = FormStartPosition.Manual;
flexibleMessageBoxForm.Left = screen.Bounds.Left + screen.Bounds.Width / 2 - flexibleMessageBoxForm.Width / 2;
flexibleMessageBoxForm.Top = screen.Bounds.Top + screen.Bounds.Height / 2 - flexibleMessageBoxForm.Height / 2;
}
}
/// <summary>
/// Calculate the dialogs start size (Try to auto-size width to show longest text row).
/// Also set the maximum dialog size.
/// </summary>
/// <param name="flexibleMessageBoxForm">The FlexibleMessageBox dialog.</param>
/// <param name="text">The text (the longest text row is used to calculate the dialog width).</param>
/// <param name="text">The caption (this can also affect the dialog width).</param>
private static void SetDialogSizes(FlexibleMessageBoxForm flexibleMessageBoxForm, string text, string caption)
{
//First set the bounds for the maximum dialog size
flexibleMessageBoxForm.MaximumSize = new Size(Convert.ToInt32(SystemInformation.WorkingArea.Width * FlexibleMessageBoxForm.GetCorrectedWorkingAreaFactor(MAX_WIDTH_FACTOR)),
Convert.ToInt32(SystemInformation.WorkingArea.Height * FlexibleMessageBoxForm.GetCorrectedWorkingAreaFactor(MAX_HEIGHT_FACTOR)));
//Get rows. Exit if there are no rows to render...
var stringRows = GetStringRows(text);
if (stringRows == null) return;
//Calculate whole text height
var textHeight = TextRenderer.MeasureText(text, FONT).Height;
//Calculate width for longest text line
const int SCROLLBAR_WIDTH_OFFSET = 15;
var longestTextRowWidth = stringRows.Max(textForRow => TextRenderer.MeasureText(textForRow, FONT).Width);
var captionWidth = TextRenderer.MeasureText(caption, SystemFonts.CaptionFont).Width;
var textWidth = Math.Max(longestTextRowWidth + SCROLLBAR_WIDTH_OFFSET, captionWidth);
//Calculate margins
var marginWidth = flexibleMessageBoxForm.Width - flexibleMessageBoxForm.richTextBoxMessage.Width;
var marginHeight = flexibleMessageBoxForm.Height - flexibleMessageBoxForm.richTextBoxMessage.Height;
//Set calculated dialog size (if the calculated values exceed the maximums, they were cut by windows forms automatically)
flexibleMessageBoxForm.Size = new Size(textWidth + marginWidth,
textHeight + marginHeight);
}
/// <summary>
/// Set the dialogs icon.
/// When no icon is used: Correct placement and width of rich text box.
/// </summary>
/// <param name="flexibleMessageBoxForm">The FlexibleMessageBox dialog.</param>
/// <param name="icon">The MessageBoxIcon.</param>
private static void SetDialogIcon(FlexibleMessageBoxForm flexibleMessageBoxForm, MessageBoxIcon icon)
{
switch (icon)
{
case MessageBoxIcon.Information:
flexibleMessageBoxForm.pictureBoxForIcon.Image = SystemIcons.Information.ToBitmap();
break;
case MessageBoxIcon.Warning:
flexibleMessageBoxForm.pictureBoxForIcon.Image = SystemIcons.Warning.ToBitmap();
break;
case MessageBoxIcon.Error:
flexibleMessageBoxForm.pictureBoxForIcon.Image = SystemIcons.Error.ToBitmap();
break;
case MessageBoxIcon.Question:
flexibleMessageBoxForm.pictureBoxForIcon.Image = SystemIcons.Question.ToBitmap();
break;
default:
//When no icon is used: Correct placement and width of rich text box.
flexibleMessageBoxForm.pictureBoxForIcon.Visible = false;
flexibleMessageBoxForm.richTextBoxMessage.Left -= flexibleMessageBoxForm.pictureBoxForIcon.Width;
flexibleMessageBoxForm.richTextBoxMessage.Width += flexibleMessageBoxForm.pictureBoxForIcon.Width;
break;
}
}
/// <summary>
/// Set dialog buttons visibilities and texts.
/// Also set a default button.
/// </summary>
/// <param name="flexibleMessageBoxForm">The FlexibleMessageBox dialog.</param>
/// <param name="buttons">The buttons.</param>
/// <param name="defaultButton">The default button.</param>
private static void SetDialogButtons(FlexibleMessageBoxForm flexibleMessageBoxForm, MessageBoxButtons buttons, MessageBoxDefaultButton defaultButton)
{
//Set the buttons visibilities and texts
switch (buttons)
{
case MessageBoxButtons.AbortRetryIgnore:
flexibleMessageBoxForm.visibleButtonsCount = 3;
flexibleMessageBoxForm.button1.Visible = true;
flexibleMessageBoxForm.button1.Text = flexibleMessageBoxForm.GetButtonText(ButtonID.ABORT);
flexibleMessageBoxForm.button1.DialogResult = DialogResult.Abort;
flexibleMessageBoxForm.button2.Visible = true;
flexibleMessageBoxForm.button2.Text = flexibleMessageBoxForm.GetButtonText(ButtonID.RETRY);
flexibleMessageBoxForm.button2.DialogResult = DialogResult.Retry;
flexibleMessageBoxForm.button3.Visible = true;
flexibleMessageBoxForm.button3.Text = flexibleMessageBoxForm.GetButtonText(ButtonID.IGNORE);
flexibleMessageBoxForm.button3.DialogResult = DialogResult.Ignore;
flexibleMessageBoxForm.ControlBox = false;
break;
case MessageBoxButtons.OKCancel:
flexibleMessageBoxForm.visibleButtonsCount = 2;
flexibleMessageBoxForm.button2.Visible = true;
flexibleMessageBoxForm.button2.Text = flexibleMessageBoxForm.GetButtonText(ButtonID.OK);
flexibleMessageBoxForm.button2.DialogResult = DialogResult.OK;
flexibleMessageBoxForm.button3.Visible = true;
flexibleMessageBoxForm.button3.Text = flexibleMessageBoxForm.GetButtonText(ButtonID.CANCEL);
flexibleMessageBoxForm.button3.DialogResult = DialogResult.Cancel;
flexibleMessageBoxForm.CancelButton = flexibleMessageBoxForm.button3;
break;
case MessageBoxButtons.RetryCancel:
flexibleMessageBoxForm.visibleButtonsCount = 2;
flexibleMessageBoxForm.button2.Visible = true;
flexibleMessageBoxForm.button2.Text = flexibleMessageBoxForm.GetButtonText(ButtonID.RETRY);
flexibleMessageBoxForm.button2.DialogResult = DialogResult.Retry;
flexibleMessageBoxForm.button3.Visible = true;
flexibleMessageBoxForm.button3.Text = flexibleMessageBoxForm.GetButtonText(ButtonID.CANCEL);
flexibleMessageBoxForm.button3.DialogResult = DialogResult.Cancel;
flexibleMessageBoxForm.CancelButton = flexibleMessageBoxForm.button3;
break;
case MessageBoxButtons.YesNo:
flexibleMessageBoxForm.visibleButtonsCount = 2;
flexibleMessageBoxForm.button2.Visible = true;
flexibleMessageBoxForm.button2.Text = flexibleMessageBoxForm.GetButtonText(ButtonID.YES);
flexibleMessageBoxForm.button2.DialogResult = DialogResult.Yes;
flexibleMessageBoxForm.button3.Visible = true;
flexibleMessageBoxForm.button3.Text = flexibleMessageBoxForm.GetButtonText(ButtonID.NO);
flexibleMessageBoxForm.button3.DialogResult = DialogResult.No;
flexibleMessageBoxForm.ControlBox = false;
break;
case MessageBoxButtons.YesNoCancel:
flexibleMessageBoxForm.visibleButtonsCount = 3;
flexibleMessageBoxForm.button1.Visible = true;
flexibleMessageBoxForm.button1.Text = flexibleMessageBoxForm.GetButtonText(ButtonID.YES);
flexibleMessageBoxForm.button1.DialogResult = DialogResult.Yes;
flexibleMessageBoxForm.button2.Visible = true;
flexibleMessageBoxForm.button2.Text = flexibleMessageBoxForm.GetButtonText(ButtonID.NO);
flexibleMessageBoxForm.button2.DialogResult = DialogResult.No;
flexibleMessageBoxForm.button3.Visible = true;
flexibleMessageBoxForm.button3.Text = flexibleMessageBoxForm.GetButtonText(ButtonID.CANCEL);
flexibleMessageBoxForm.button3.DialogResult = DialogResult.Cancel;
flexibleMessageBoxForm.CancelButton = flexibleMessageBoxForm.button3;
break;
case MessageBoxButtons.OK:
default:
flexibleMessageBoxForm.visibleButtonsCount = 1;
flexibleMessageBoxForm.button3.Visible = true;
flexibleMessageBoxForm.button3.Text = flexibleMessageBoxForm.GetButtonText(ButtonID.OK);
flexibleMessageBoxForm.button3.DialogResult = DialogResult.OK;
flexibleMessageBoxForm.CancelButton = flexibleMessageBoxForm.button3;
break;
}
//Set default button (used in FlexibleMessageBoxForm_Shown)
flexibleMessageBoxForm.defaultButton = defaultButton;
}
#endregion
#region Private event handlers
/// <summary>
/// Handles the Shown event of the FlexibleMessageBoxForm control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
private void FlexibleMessageBoxForm_Shown(object sender, EventArgs e)
{
int buttonIndexToFocus = 1;
Button buttonToFocus;
//Set the default button...
switch (this.defaultButton)
{
case MessageBoxDefaultButton.Button1:
default:
buttonIndexToFocus = 1;
break;
case MessageBoxDefaultButton.Button2:
buttonIndexToFocus = 2;
break;
case MessageBoxDefaultButton.Button3:
buttonIndexToFocus = 3;
break;
}
if (buttonIndexToFocus > this.visibleButtonsCount) buttonIndexToFocus = this.visibleButtonsCount;
if (buttonIndexToFocus == 3)
{
buttonToFocus = this.button3;
}
else if (buttonIndexToFocus == 2)
{
buttonToFocus = this.button2;
}
else
{
buttonToFocus = this.button1;
}
buttonToFocus.Focus();
}
/// <summary>
/// Handles the LinkClicked event of the richTextBoxMessage control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.Windows.Forms.LinkClickedEventArgs"/> instance containing the event data.</param>
private void richTextBoxMessage_LinkClicked(object sender, LinkClickedEventArgs e)
{
try
{
Cursor.Current = Cursors.WaitCursor;
Process.Start(e.LinkText);
}
catch (Exception)
{
//Let the caller of FlexibleMessageBoxForm decide what to do with this exception...
throw;
}
finally
{
Cursor.Current = Cursors.Default;
}
}
/// <summary>
/// Handles the KeyUp event of the richTextBoxMessage control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.Windows.Forms.KeyEventArgs"/> instance containing the event data.</param>
void FlexibleMessageBoxForm_KeyUp(object sender, KeyEventArgs e)
{
//Handle standard key strikes for clipboard copy: "Ctrl + C" and "Ctrl + Insert"
if (e.Control && (e.KeyCode == Keys.C || e.KeyCode == Keys.Insert))
{
var buttonsTextLine = (this.button1.Visible ? this.button1.Text + STANDARD_MESSAGEBOX_SEPARATOR_SPACES : string.Empty)
+ (this.button2.Visible ? this.button2.Text + STANDARD_MESSAGEBOX_SEPARATOR_SPACES : string.Empty)
+ (this.button3.Visible ? this.button3.Text + STANDARD_MESSAGEBOX_SEPARATOR_SPACES : string.Empty);
//Build same clipboard text like the standard .Net MessageBox
var textForClipboard = STANDARD_MESSAGEBOX_SEPARATOR_LINES
+ this.Text + Environment.NewLine
+ STANDARD_MESSAGEBOX_SEPARATOR_LINES
+ this.richTextBoxMessage.Text + Environment.NewLine
+ STANDARD_MESSAGEBOX_SEPARATOR_LINES
+ buttonsTextLine.Replace("&", string.Empty) + Environment.NewLine
+ STANDARD_MESSAGEBOX_SEPARATOR_LINES;
//Set text in clipboard
Clipboard.SetText(textForClipboard);
}
}
#endregion
#region Properties (only used for binding)
/// <summary>
/// The text that is been used for the heading.
/// </summary>
public string CaptionText { get; set; }
/// <summary>
/// The text that is been used in the FlexibleMessageBoxForm.
/// </summary>
public string MessageText { get; set; }
#endregion
#region Public show function
/// <summary>
/// Shows the specified message box.
/// </summary>
/// <param name="owner">The owner.</param>
/// <param name="text">The text.</param>
/// <param name="caption">The caption.</param>
/// <param name="buttons">The buttons.</param>
/// <param name="icon">The icon.</param>
/// <param name="defaultButton">The default button.</param>
/// <returns>The dialog result.</returns>
public static DialogResult Show(IWin32Window owner, string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon, MessageBoxDefaultButton defaultButton)
{
//Create a new instance of the FlexibleMessageBox form
var flexibleMessageBoxForm = new FlexibleMessageBoxForm();
flexibleMessageBoxForm.ShowInTaskbar = false;
//Bind the caption and the message text
flexibleMessageBoxForm.CaptionText = caption;
flexibleMessageBoxForm.MessageText = text;
flexibleMessageBoxForm.FlexibleMessageBoxFormBindingSource.DataSource = flexibleMessageBoxForm;
//Set the buttons visibilities and texts. Also set a default button.
SetDialogButtons(flexibleMessageBoxForm, buttons, defaultButton);
//Set the dialogs icon. When no icon is used: Correct placement and width of rich text box.
SetDialogIcon(flexibleMessageBoxForm, icon);
//Set the font for all controls
flexibleMessageBoxForm.Font = FONT;
flexibleMessageBoxForm.richTextBoxMessage.Font = FONT;
//Calculate the dialogs start size (Try to auto-size width to show longest text row). Also set the maximum dialog size.
SetDialogSizes(flexibleMessageBoxForm, text, caption);
//Set the dialogs start position when given. Otherwise center the dialog on the current screen.
SetDialogStartPosition(flexibleMessageBoxForm, owner);
//Show the dialog
return flexibleMessageBoxForm.ShowDialog(owner);
}
#endregion
} //class FlexibleMessageBoxForm
#endregion
}
}