xenadmin/XenAdmin/Dialogs/ThreeButtonDialog.cs
Mihaela Stoica bd36a85bff CP-4816: Initial commit to git repo
Signed-off-by: Mihaela Stoica <mihaela.stoica@citrix.com>
2013-06-24 12:41:48 +01:00

417 lines
16 KiB
C#

/* Copyright (c) Citrix Systems Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms,
* with or without modification, are permitted provided
* that the following conditions are met:
*
* * Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
using System;
using System.Drawing;
using System.Windows.Forms;
using System.Threading;
using System.Collections.Generic;
namespace XenAdmin.Dialogs
{
public partial class ThreeButtonDialog : XenDialogBase
{
private string helpName = "DefaultHelpTopic";
/// <summary>
/// Gives you a dialog with a single OK button.
/// </summary>
/// <param name="properties"></param>
/// <param name="helpName"></param>
public ThreeButtonDialog(Details properties, string helpName)
: this(properties, ButtonOK)
{
this.helpName = helpName;
HelpButton = true;
}
/// <summary>
/// Gives you a dialog with the specified buttons.
/// </summary>
/// <param name="properties"></param>
/// <param name="helpName"></param>
/// <param name="buttons">Must be between 1 and 3 buttons</param>
public ThreeButtonDialog(Details properties, string helpName, params TBDButton[] buttons)
: this(properties, buttons)
{
this.helpName = helpName;
HelpButton = true;
}
/// <summary>
/// Gives you a dialog with a single OK button.
/// </summary>
/// <param name="properties"></param>
/// <param name="helpName"></param>
public ThreeButtonDialog(Details properties)
: this(properties, ButtonOK)
{
}
/// <summary>
/// Gives you a dialog with the specified buttons.
/// </summary>
/// <param name="properties"></param>
/// <param name="buttons">>Must be between 1 and 3 buttons</param>
public ThreeButtonDialog(Details properties, params TBDButton[] buttons)
{
System.Diagnostics.Trace.Assert(buttons.Length > 0 && buttons.Length < 4, "Three button dialog can only have between 1 and 3 buttons.");
InitializeComponent();
if (properties.Icon == null)
pictureBoxIcon.Visible = false;
else
pictureBoxIcon.Image = properties.Icon.ToBitmap();
labelMessage.Text = properties.MainMessage;
if (properties.linkLength > 0)
labelMessage.Links.Add(new LinkLabel.Link(properties.linkStart, properties.linkLength, properties.linkUrl));
if (properties.WindowTitle != null)
this.Text = properties.WindowTitle;
button1.Visible = true;
button1.Text = buttons[0].label;
button1.DialogResult = buttons[0].result;
if (buttons[0].defaultAction == ButtonType.ACCEPT)
{
AcceptButton = button1;
if (buttons.Length == 1)
CancelButton = button1;
}
else if (buttons[0].defaultAction == ButtonType.CANCEL)
CancelButton = button1;
if (buttons[0].selected)
button1.Select();
if (buttons.Length > 1)
{
button2.Visible = true;
button2.Text = buttons[1].label;
button2.DialogResult = buttons[1].result;
if (buttons[1].defaultAction == ButtonType.ACCEPT)
AcceptButton = button2;
else if (buttons[1].defaultAction == ButtonType.CANCEL)
CancelButton = button2;
if (buttons[1].selected)
button2.Select();
}
else
{
button2.Visible = false;
}
if (buttons.Length > 2)
{
button3.Visible = true;
button3.Text = buttons[2].label;
button3.DialogResult = buttons[2].result;
if (buttons[2].defaultAction == ButtonType.ACCEPT)
AcceptButton = button3;
else if (buttons[2].defaultAction == ButtonType.CANCEL)
CancelButton = button3;
if (buttons[2].selected)
button3.Select();
}
else
{
button3.Visible = false;
}
}
/// <summary>
/// The message displayed on the dialog
/// </summary>
public String Message
{
get { return labelMessage.Text; }
}
/// <summary>
/// A list of buttons on the page
/// </summary>
public List<Button> Buttons
{
get
{
return new List<Button>()
{
button1,
button2,
button3
};
}
}
/// <summary>
/// A list of buttons on the page that have been set visible
/// </summary>
public List<Button> VisibleButtons
{
get
{
List<Button> visibleButtonList = new List<Button>();
Buttons.ForEach(button => AddButtonIfVisible(visibleButtonList, button));
return visibleButtonList;
}
}
private void AddButtonIfVisible( List<Button> buttonList, Button button )
{
if( button.Visible )
buttonList.Add( button );
}
internal override string HelpName
{
get
{
return helpName;
}
}
public class TBDButton
{
public string label;
public DialogResult result;
public ButtonType defaultAction = ButtonType.NONE;
public bool selected = false;
/// <summary>
/// Describes a button for the three button dialog. This constructor infers the dialogs default button from
/// the result type you give it.
///
/// To override this behaviour use another constructor.
/// </summary>
/// <param name="label">The label for the button</param>
/// <param name="result">The result to return on click. Setting result to be OK or Yes results in the dialog choosing this button as the DefaultAcceptButton,
/// and No or Cancel sets it as the DefaultCancelButton.</param>
public TBDButton(string label, DialogResult result)
{
this.label = label;
this.result = result;
if (result == DialogResult.OK || result == DialogResult.Yes)
defaultAction = ButtonType.ACCEPT;
if (result == DialogResult.No || result == DialogResult.Cancel)
defaultAction = ButtonType.CANCEL;
}
/// <summary>
/// This constructor allows you to override how the threebuttondialog interprets the dialogresult of this button.
/// </summary>
/// <param name="label">The label for the button</param>
/// <param name="result">The result to return on click.</param>
/// <param name="isDefaultButton">The role the button plays in the dialog</param>
public TBDButton(string label, DialogResult result, ButtonType isDefaultButton)
: this(label, result)
{
defaultAction = isDefaultButton;
}
/// <summary>
/// This constructor allows you to override how the threebuttondialog interprets the dialogresult of this button and specify if the button is selected by default.
/// </summary>
/// <param name="label">The label for the button</param>
/// <param name="result">The result to return on click.</param>
/// <param name="isDefaultButton">The role the button plays in the dialog</param>
public TBDButton(string label, DialogResult result, ButtonType isDefaultButton, bool select)
: this(label, result, isDefaultButton)
{
selected = select;
}
}
/// <summary>
/// Using Accept results in this button becoming the DefaultAcceptButton, and Cancel sets it as the DefaultCancelButton
/// </summary>
public enum ButtonType { NONE, ACCEPT, CANCEL };
/// <summary>
/// Describes the main properties of a dialog
/// </summary>
public class Details
{
public Icon Icon;
public string WindowTitle = null;
public string MainMessage = "";
public int linkStart = 0;
public int linkLength = 0;
public string linkUrl = "";
public Details(Icon Icon, string MainMessage)
{
this.Icon = Icon;
this.MainMessage = MainMessage;
}
public Details(Icon Icon, string MainMessage, string WindowTitle)
: this(Icon, MainMessage)
{
this.WindowTitle = WindowTitle;
}
public Details(Icon Icon, string MainMessage, int linkStart, int linkLength, string linkUrl, string WindowTitle)
: this(Icon, MainMessage, WindowTitle)
{
this.linkStart = linkStart;
this.linkLength = linkLength;
this.linkUrl = linkUrl;
}
}
/// <summary>
/// Retrieves a button with label Messages.YES_BUTTON_CAPTION and result DialogResult.Yes
/// </summary>
public static TBDButton ButtonYes
{
get
{
return new TBDButton(Messages.YES_BUTTON_CAPTION, DialogResult.Yes);
}
}
/// <summary>
/// Retrieves a button with label Messages.NO_BUTTON_CAPTION and result DialogResult.No
/// </summary>
public static TBDButton ButtonNo
{
get
{
return new TBDButton(Messages.NO_BUTTON_CAPTION, DialogResult.No);
}
}
/// <summary>
/// Retrieves a button with label Messages.OK and result DialogResult.OK)
/// </summary>
public static TBDButton ButtonOK
{
get
{
return new TBDButton(Messages.OK, DialogResult.OK);
}
}
/// <summary>
/// Retrieves a button with label Messages.CANCEL and result DialogResult.Cancel
/// </summary>
public static TBDButton ButtonCancel
{
get
{
return new TBDButton(Messages.CANCEL, DialogResult.Cancel);
}
}
private void ThreeButtonDialog_FormClosing(object sender, FormClosingEventArgs e)
{
if (e.CloseReason == CloseReason.UserClosing)
{
if (!closedFromButton)
{
// User has closed without pressing a button (e.g. the cross)
// In the following scenarios we can predict what they mean:
if (CancelButton != null)
{
// There's a cancel button, this most closely maps to the desire of someone telling the window to get lost
DialogResult = CancelButton.DialogResult;
}
else if (VisibleButtons.Find(delegate(Button b) { return b.DialogResult == DialogResult.Cancel; }) != null)
{
// There's a cancel button, this most closely maps to the desire of someone telling the window to get lost
DialogResult = DialogResult.Cancel;
}
else if (VisibleButtons.Count == 1)
{
// Single button, they only had one choice anyway. 99% of the time this an OK prompt
DialogResult = VisibleButtons[0].DialogResult;
}
else if (VisibleButtons.Count == 2 && VisibleButtons[0].DialogResult == DialogResult.Yes && VisibleButtons[1].DialogResult == DialogResult.No)
{
// Another common scenario, a yes/no prompt. Slightly more dubious this one, but they most likely mean no.
// The following issues have been considered:
// - If we are performing a dangerous/significant/unreversable action then this should be an OK Cancel dialog anyway
// - You've got the Yes/No buttons the wrong way round
//
// ...either way you should go back to UI school :)
DialogResult = DialogResult.No;
}
else
{
// We can't figure out what they mean, and since people almost always only assume that the dialog only returns the results on
// the buttons we are going to block the close
// Set a CancelButton if you want to stop this happening
e.Cancel = true;
}
}
}
}
private bool closedFromButton = false;
private void button1_Click(object sender, EventArgs e)
{
closedFromButton = true;
Close();
}
private void button2_Click(object sender, EventArgs e)
{
closedFromButton = true;
Close();
}
private void button3_Click(object sender, EventArgs e)
{
closedFromButton = true;
Close();
}
private void labelMessage_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
try
{
System.Diagnostics.Process.Start(e.Link.LinkData.ToString());
}
catch { } // Best effort
}
}
}