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// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)

using System;
using System.Text;
using System.Windows.Input;
using Tango.Scripting.Editors.Document;

namespace Tango.Scripting.Editors.Snippets
{
	/// <summary>
	/// Inserts the previously selected text at the selection marker.
	/// </summary>
	[Serializable]
	public class SnippetSelectionElement : SnippetElement
	{
		/// <summary>
		/// Gets/Sets the new indentation of the selected text.
		/// </summary>
		public int Indentation { get; set; }
		
		/// <inheritdoc/>
		public override void Insert(InsertionContext context)
		{
			StringBuilder tabString = new StringBuilder();
			
			for (int i = 0; i < Indentation; i++) {
				tabString.Append(context.Tab);
			}
			
			string indent = tabString.ToString();
			
			string text = context.SelectedText.TrimStart(' ', '\t');
			
			text = text.Replace(context.LineTerminator,
			                             context.LineTerminator + indent);
			
			context.Document.Insert(context.InsertionPosition, text);
			context.InsertionPosition += text.Length;
			
			if (string.IsNullOrEmpty(context.SelectedText))
				SnippetCaretElement.SetCaret(context);
		}
	}
}
c1">// 0.1 -> 0.5 // 0.5 -> 0.5 // 0.9 -> 0.5 // 1 -> 1.5 return pixelSize * (Math.Round((value / pixelSize) + 0.5) - 0.5); } /// <summary> /// Aligns the borders of rect on the middles of pixels. /// </summary> public static Rect PixelAlign(Rect rect, Size pixelSize) { rect.X = PixelAlign(rect.X, pixelSize.Width); rect.Y = PixelAlign(rect.Y, pixelSize.Height); rect.Width = Round(rect.Width, pixelSize.Width); rect.Height = Round(rect.Height, pixelSize.Height); return rect; } /// <summary> /// Rounds <paramref name="point"/> to whole number of pixels. /// </summary> public static Point Round(Point point, Size pixelSize) { return new Point(Round(point.X, pixelSize.Width), Round(point.Y, pixelSize.Height)); } /// <summary> /// Rounds val to whole number of pixels. /// </summary> public static Rect Round(Rect rect, Size pixelSize) { return new Rect(Round(rect.X, pixelSize.Width), Round(rect.Y, pixelSize.Height), Round(rect.Width, pixelSize.Width), Round(rect.Height, pixelSize.Height)); } /// <summary> /// Rounds <paramref name="value"/> to a whole number of pixels. /// </summary> public static double Round(double value, double pixelSize) { return pixelSize * Math.Round(value / pixelSize); } /// <summary> /// Rounds <paramref name="value"/> to an whole odd number of pixels. /// </summary> public static double RoundToOdd(double value, double pixelSize) { return Round(value - pixelSize, pixelSize * 2) + pixelSize; } } }