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using System;
using System.Text;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Content;
using Microsoft.Xna.Framework.Graphics;
using Ninject;
namespace V3.Widgets
{
public abstract class AbstractTextWidget : ITextWidget, IInitializable
{
private string mText;
public Vector2 Position { get; set; }
public Vector2 Size { get; set; }
public string Text
{
get { return mText; }
set { mText = ReplaceUmlauteWhenOnUnix(value); }
}
public float PaddingX { get; set; } = 80;
public float PaddingY { get; set; } = 5;
public Color Color { get; set; } = Color.Black;
public HorizontalOrientation HorizontalOrientation { get; set; } = HorizontalOrientation.Center;
public SpriteFont Font { get; set; }
private readonly ContentManager mContentManager;
public AbstractTextWidget(ContentManager contentManager)
{
mContentManager = contentManager;
Text = "";
}
public virtual void Initialize()
{
Font = mContentManager.Load<SpriteFont>("Fonts/MenuFont");
}
public virtual void Draw(SpriteBatch spriteBatch)
{
var calculatedSize = Font.MeasureString(Text);
var position = Position;
switch (HorizontalOrientation)
{
case HorizontalOrientation.Left:
position.X += PaddingX;
break;
case HorizontalOrientation.Center:
position.X += (Size - calculatedSize).X / 2;
break;
case HorizontalOrientation.Right:
position.X += (Size - calculatedSize).X;
position.X -= PaddingX;
break;
}
position.Y += (Size - calculatedSize).Y / 2;
spriteBatch.DrawString(Font, Text, position, GetColor());
}
public virtual Vector2 GetMinimumSize()
{
var size = Font.MeasureString(Text);
size.X += 2 * PaddingX;
size.Y += 2 * PaddingY;
return size;
}
public bool CheckSelected(Point position)
{
var rectangle = new Rectangle((int) Position.X, (int) Position.Y, (int) Size.X, (int) Size.Y);
return rectangle.Contains(position);
}
protected virtual Color GetColor()
{
return Color;
}
/// <summary>
/// Test if execution platform is UNIX and replace german Umlaute
/// accordingly because a strange ArgumentException is thrown otherwise.
/// </summary>
/// <param name="originalString">The original input string.</param>
/// <returns></returns>
private string ReplaceUmlauteWhenOnUnix(string originalString)
{
// Taken from <http://mono.wikia.com/wiki/Detecting_the_execution_platform>.
int p = (int) Environment.OSVersion.Platform;
if ((p == 4) || (p == 6) || (p == 128)) // Running on Unix
{
var sb = new StringBuilder();
foreach (char c in originalString)
{
if (c < 128)
{
sb.Append(c);
}
}
return sb.ToString();
}
// NOT running on Unix.
return originalString;
}
}
}
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