xenadmin/XenAdmin/Core/ExtensionMethods.cs
Konstantina Chremmou 3283ca4737 CP-6317: Importing from branch clearwater-ln.
# HG changeset patch
# User Konstantina Chremmou <Konstantina.Chremmou@citrix.com>
# Date 1377010165 -3600
# Node ID 46350c8ef9df37a0c41d7a7245438948d261504b
# Parent  a1c6bcf2b4d3119cff54d87fb97bd2491c9d8f67
CA-112226: Ellipsization should use TextRenderer.MeasureText (GDI) rather than
Graphics.MeasureString (GDI+) since the controls use the default UseCompatibleTextRendering
value (false).

Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>
2013-09-26 14:35:57 +01:00

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/* 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,
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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using System.Drawing;
using System.Windows.Forms;
namespace XenAdmin.Core
{
internal static class ExtensionMethods
{
/// <summary>
/// Internationalization of True/False
/// </summary>
public static string ToStringI18n(this bool value)
{
return value ? Messages.TRUE : Messages.FALSE;
}
/// <summary>
/// Turns a bool to internationalized Yes/No (on occasion it's user friendlier than True/False)
/// </summary>
public static string ToYesNoStringI18n(this bool value)
{
return value ? Messages.YES : Messages.NO;
}
/// <summary>
/// This has the same bahvoiur as the standard ellipsise extension but this uses graphics
/// objects to scale the text. This performs a binary chop on the string to get the correct length
/// </summary>
/// <param name="text"></param>
/// <param name="g"></param>
/// <param name="rectangle"></param>
/// <param name="font"></param>
/// <returns></returns>
public static string Ellipsise(this string text, Rectangle rectangle, Font font)
{
int width = TextRenderer.MeasureText(text, font).Width;
if (width <= rectangle.Width)
return text;
int widthel = TextRenderer.MeasureText(Messages.ELLIPSIS, font).Width;
if (widthel > rectangle.Width)
return ".";
// Binary chop to set the string to the right size
int a = 0;
int b = text.Length;
int c;
for (c = (a + b) / 2; c > a; c = (a + b) / 2)
{
string sr = text.Ellipsise(c);
int srWidth = TextRenderer.MeasureText(sr, font).Width;
if (srWidth > rectangle.Width)
b = c;
else
a = c;
}
return text.Ellipsise(c);
}
}
}