/// <summary>
/// show form as dialog with given parameters
/// </summary>
/// <param name="AMessage">Message to be displayed to the user</param>
/// <param name="ACaption">Caption of the dialog window</param>
/// <param name="AChkOptionText">Text to be shown with check box (check box hidden if text empty)</param>
/// <param name="AButtons">Button set to be displayed</param>
/// <param name="ADefaultButton">The button with a default action</param>
/// <param name="AIcon">Icon to be displayed</param>
/// <param name="AOptionSelected">initial value for option check box</param>
/// <returns></returns>
public TFrmExtendedMessageBox.TResult ShowDialog(string AMessage, string ACaption, string AChkOptionText,
TFrmExtendedMessageBox.TButtons AButtons,
TFrmExtendedMessageBox.TDefaultButton ADefaultButton,
TFrmExtendedMessageBox.TIcon AIcon,
bool AOptionSelected)
{
string ResourceDirectory;
string IconFileName;
ToolTip ButtonTooltip = new ToolTip();
// initialize return values
FResult = TResult.embrUndefined;
FOptionSelected = AOptionSelected;
txtMessage.Text = AMessage;
txtMessage.BorderStyle = BorderStyle.FixedSingle;
txtMessage.HideSelection = true;
txtMessage.SelectionStart = 0;
txtMessage.SelectionLength = 0;
txtMessage.Font = new System.Drawing.Font(txtMessage.Font, FontStyle.Regular);
pnlLeftButtons.MinimumSize = new Size(btnHelp.Width + btnCopy.Width + 10, pnlLeftButtons.Height);
ButtonTooltip.SetToolTip(btnHelp, "Help");
ButtonTooltip.SetToolTip(btnCopy, "Copy to Clipboard");
this.Text = ACaption;
chkOption.Text = AChkOptionText;
if (AChkOptionText.Length == 0)
{
chkOption.Visible = false;
}
chkOption.Checked = AOptionSelected;
this.MinimumSize = new System.Drawing.Size(pnlLeftButtons.Width + pnlRightButtons.Width, 250);
btnYes.Visible = false;
btnYesToAll.Visible = false;
btnNo.Visible = false;
btnNoToAll.Visible = false;
btnOK.Visible = false;
btnCancel.Visible = false;
FDefaultButton = ADefaultButton;
switch (AButtons)
{
case TButtons.embbYesYesToAllNoCancel:
btnYes.Visible = true;
btnYesToAll.Visible = true;
btnNo.Visible = true;
btnCancel.Visible = true;
break;
case TButtons.embbYesYesToAllNoNoToAllCancel:
btnYes.Visible = true;
btnYesToAll.Visible = true;
btnNo.Visible = true;
btnNoToAll.Visible = true;
btnCancel.Visible = true;
break;
case TButtons.embbYesYesToAllNoNoToAll:
btnYes.Visible = true;
btnYesToAll.Visible = true;
btnNo.Visible = true;
btnNoToAll.Visible = true;
break;
case TButtons.embbYesNo:
btnYes.Visible = true;
btnNo.Visible = true;
break;
case TButtons.embbYesNoCancel:
btnYes.Visible = true;
btnNo.Visible = true;
btnCancel.Visible = true;
break;
case TButtons.embbOK:
btnOK.Visible = true;
break;
case TButtons.embbOKCancel:
btnOK.Visible = true;
btnCancel.Visible = true;
break;
default:
break;
}
// dispose of items in case they were used already earlier
if (FBitmap != null)
{
FBitmap.Dispose();
}
// find the right icon name
switch (AIcon)
{
case TIcon.embiQuestion:
IconFileName = "Help.ico";
break;
case TIcon.embiInformation:
IconFileName = "PetraInformation.ico";
break;
case TIcon.embiWarning:
IconFileName = "Warning.ico";
break;
case TIcon.embiError:
IconFileName = "Error.ico";
break;
default:
IconFileName = "";
break;
}
if (FIconControl == null)
{
FIconControl = new PictureBox();
// Stretches the image to fit the pictureBox.
FIconControl.SizeMode = PictureBoxSizeMode.StretchImage;
FIconControl.ClientSize = new Size(30, 30);
pnlIcon.Padding = new Padding(3, 3, 3, 3);
}
// load and set the image
ResourceDirectory = TAppSettingsManager.GetValue("Resource.Dir");
if ((AIcon != TIcon.embiNone) &&
System.IO.File.Exists(ResourceDirectory + System.IO.Path.DirectorySeparatorChar + IconFileName))
{
pnlIcon.Visible = true;
FBitmap = new System.Drawing.Bitmap(ResourceDirectory + System.IO.Path.DirectorySeparatorChar + IconFileName);
FIconControl.Image = (Image)FBitmap;
if (!pnlIcon.Controls.Contains(FIconControl))
{
pnlIcon.Controls.Add(FIconControl);
}
}
else
{
// remove icon panel if it already exists
if (pnlIcon.Controls.Contains(FIconControl))
{
pnlIcon.Controls.Remove(FIconControl);
}
pnlIcon.Visible = false;
}
// remove the controlbox as we do not need these options (min, max and close_
this.ControlBox = false;
// now show the actual dialog
this.StartPosition = FormStartPosition.CenterScreen;
this.ShowDialog();
// FResult is initialized when buttons are pressed
return(FResult);
}
void TFrmExtendedMessageBox_Shown(object sender, EventArgs e)
{
// Set the button positions based on their visibilty
// Note - we have to do this in _Shown because before then we cannot check for Visible
// We treat OK Cancel as being in a separate group so they get a bit more space between them and the others.
// We rely on the fact that not all the buttons will be visible - true because we do not offer OK at the same time as Yes(ToAll) No(ToAll)
int distance = btnYesToAll.Left - btnYes.Left;
bool bDoneSmallDistance = false;
bool bHasOkOrCancel = (btnOK.Visible || btnCancel.Visible);
// We ignore btnApply - it was set to invisible at design time so never was placed on the button panel
Button[] buttons =
{
btnYes, btnYesToAll, btnNo, btnNoToAll, btnOK, btnCancel
};
// Go through the buttons starting on the right
for (int btnID = 5; btnID >= 0; btnID--)
{
if (!buttons[btnID].Visible)
{
if (bDoneSmallDistance || !bHasOkOrCancel)
{
// Move the button a standard distance to the right
for (int k = 0; k < btnID; k++)
{
buttons[k].Left += distance;
}
}
else
{
// We need to move the left group of buttons a smaller distance to the right because we want to get a gap between the two groups
for (int k = 0; (k < btnID) && (k < 4); k++)
{
buttons[k].Left += (distance - 20);
}
for (int k = 4; k < btnID; k++)
{
buttons[k].Left += distance;
}
// set the flag because we only want to do this smaller distance once
bDoneSmallDistance = true;
}
}
}
// Set up the default button if one was specified.
if (FDefaultButton != TDefaultButton.embdDefButtonNone)
{
// This is a 'counter'
TDefaultButton currentDefID = TDefaultButton.embdDefButtonNone;
for (int btnID = 0; btnID < buttons.Length; btnID++)
{
if (buttons[btnID].Visible)
{
// increment the counter and see if we have reached the one we are looking for
currentDefID++;
if (currentDefID == FDefaultButton)
{
// Set the accept button for the form and focus it.
this.FindForm().AcceptButton = buttons[btnID];
buttons[btnID].Focus();
break;
}
}
}
}
// Calculate the size required for the message, assuming the width is as it is
SizeF size = txtMessage.CreateGraphics().MeasureString(txtMessage.Text, txtMessage.Font, pnlMessage.Width - 20);
// Will it fit on the screen??
int screenHeight = Screen.PrimaryScreen.WorkingArea.Height;
int maxHeight = Convert.ToInt32(0.8 * screenHeight);
if (size.Height > maxHeight)
{
size.Height = Convert.ToInt32(0.75 * maxHeight);
this.txtMessage.ScrollBars = ScrollBars.Vertical;
}
// Now set the height of the form based on allowing enough height for the message
Form myForm = this.FindForm();
int checkBoxAllowance = (chkOption.Visible) ? chkOption.Height + 5 : 0;
myForm.Size = new Size(this.FindForm().Width, Convert.ToInt32(size.Height) + pnlLeftButtons.Height + 120 + checkBoxAllowance);
// Centre the form vertically
myForm.Location = new Point(myForm.Location.X, (screenHeight - myForm.Height) / 2);
// Now center the message in its panel and anchor it
txtMessage.Size = new Size(pnlMessage.Width - 20, pnlMessage.Height - 20);
txtMessage.Location = new Point((pnlMessage.Width - txtMessage.Width) / 2, (pnlMessage.Height - txtMessage.Height) / 2);
txtMessage.Anchor = AnchorStyles.Left | AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Right;
}
/// <summary>
/// show form as dialog with given parameters
/// </summary>
/// <param name="AMessage">Message to be displayed to the user</param>
/// <param name="ACaption">Caption of the dialog window</param>
/// <param name="AChkOptionText">Text to be shown with check box (check box hidden if text empty)</param>
/// <param name="AButtons">Button set to be displayed</param>
/// <param name="ADefaultButton">The button with a default action</param>
/// <param name="AIcon">Icon to be displayed</param>
/// <param name="AOptionSelected">initial value for option check box</param>
/// <returns></returns>
public TFrmExtendedMessageBox.TResult ShowDialog(string AMessage, string ACaption, string AChkOptionText,
TFrmExtendedMessageBox.TButtons AButtons,
TFrmExtendedMessageBox.TDefaultButton ADefaultButton,
TFrmExtendedMessageBox.TIcon AIcon,
bool AOptionSelected)
{
string ResourceDirectory;
string IconFileName;
ToolTip ButtonTooltip = new ToolTip();
// initialize return values
FResult = TResult.embrUndefined;
FOptionSelected = AOptionSelected;
txtMessage.Text = AMessage;
txtMessage.BorderStyle = BorderStyle.FixedSingle;
txtMessage.HideSelection = true;
txtMessage.SelectionStart = 0;
txtMessage.SelectionLength = 0;
txtMessage.Font = new System.Drawing.Font(txtMessage.Font, FontStyle.Regular);
pnlLeftButtons.MinimumSize = new Size(btnHelp.Width + btnCopy.Width + 10, pnlLeftButtons.Height);
ButtonTooltip.SetToolTip(btnHelp, "Help");
ButtonTooltip.SetToolTip(btnCopy, "Copy to Clipboard");
this.Text = ACaption;
chkOption.Text = AChkOptionText;
if (AChkOptionText.Length == 0)
{
chkOption.Visible = false;
}
chkOption.Checked = AOptionSelected;
this.MinimumSize = new System.Drawing.Size(pnlLeftButtons.Width + pnlRightButtons.Width, 250);
btnYes.Visible = false;
btnYesToAll.Visible = false;
btnNo.Visible = false;
btnNoToAll.Visible = false;
btnOK.Visible = false;
btnCancel.Visible = false;
FDefaultButton = ADefaultButton;
switch (AButtons)
{
case TButtons.embbYesYesToAllNoCancel:
btnYes.Visible = true;
btnYesToAll.Visible = true;
btnNo.Visible = true;
btnCancel.Visible = true;
break;
case TButtons.embbYesYesToAllNoNoToAllCancel:
btnYes.Visible = true;
btnYesToAll.Visible = true;
btnNo.Visible = true;
btnNoToAll.Visible = true;
btnCancel.Visible = true;
break;
case TButtons.embbYesYesToAllNoNoToAll:
btnYes.Visible = true;
btnYesToAll.Visible = true;
btnNo.Visible = true;
btnNoToAll.Visible = true;
break;
case TButtons.embbYesNo:
btnYes.Visible = true;
btnNo.Visible = true;
break;
case TButtons.embbYesNoCancel:
btnYes.Visible = true;
btnNo.Visible = true;
btnCancel.Visible = true;
break;
case TButtons.embbOK:
btnOK.Visible = true;
break;
case TButtons.embbOKCancel:
btnOK.Visible = true;
btnCancel.Visible = true;
break;
default:
break;
}
// dispose of items in case they were used already earlier
if (FBitmap != null)
{
FBitmap.Dispose();
}
// find the right icon name
switch (AIcon)
{
case TIcon.embiQuestion:
IconFileName = "Help.ico";
break;
case TIcon.embiInformation:
IconFileName = "PetraInformation.ico";
break;
case TIcon.embiWarning:
IconFileName = "Warning.ico";
break;
case TIcon.embiError:
IconFileName = "Error.ico";
break;
default:
IconFileName = "";
break;
}
if (FIconControl == null)
{
FIconControl = new PictureBox();
// Stretches the image to fit the pictureBox.
FIconControl.SizeMode = PictureBoxSizeMode.StretchImage;
FIconControl.ClientSize = new Size(30, 30);
pnlIcon.Padding = new Padding(3, 3, 3, 3);
}
// load and set the image
ResourceDirectory = TAppSettingsManager.GetValue("Resource.Dir");
if ((AIcon != TIcon.embiNone)
&& System.IO.File.Exists(ResourceDirectory + System.IO.Path.DirectorySeparatorChar + IconFileName))
{
pnlIcon.Visible = true;
FBitmap = new System.Drawing.Bitmap(ResourceDirectory + System.IO.Path.DirectorySeparatorChar + IconFileName);
FIconControl.Image = (Image)FBitmap;
if (!pnlIcon.Controls.Contains(FIconControl))
{
pnlIcon.Controls.Add(FIconControl);
}
}
else
{
// remove icon panel if it already exists
if (pnlIcon.Controls.Contains(FIconControl))
{
pnlIcon.Controls.Remove(FIconControl);
}
pnlIcon.Visible = false;
}
// remove the controlbox as we do not need these options (min, max and close_
this.ControlBox = false;
// now show the actual dialog
this.StartPosition = FormStartPosition.CenterScreen;
this.ShowDialog();
// FResult is initialized when buttons are pressed
return FResult;
}
