public void TestCopyRange()
{
var line = new LineSegment();
line.InsertAfter(new Run("0123456789"));
line.InsertAfter(new Run("0123456789"));
line.InsertAfter(new Run("0123456789"));
var copy = default(LineSegment);
/// 最初
copy = ((LineSegment)line.CopyRange(new Range(0, 5)));
Assert.AreEqual("01234\r", copy.Text);
/// rangeが一つのInline内
copy = ((LineSegment)line.CopyRange(new Range(2, 3)));
Assert.AreEqual("234\r", copy.Text);
/// ひとつまたぐ
copy = ((LineSegment)line.CopyRange(new Range(7, 5)));
Assert.AreEqual("78901\r", copy.Text);
/// 一つcontains
copy = ((LineSegment)line.CopyRange(new Range(7, 15)));
Assert.AreEqual("789012345678901\r", copy.Text);
/// 最後のLineBreakは範囲に入っていてもいなくても結果が同じになる
copy = ((LineSegment)line.CopyRange(new Range(25, 5)));
Assert.AreEqual("56789\r", copy.Text);
copy = ((LineSegment)line.CopyRange(new Range(25, 6)));
Assert.AreEqual("56789\r", copy.Text);
}
/// <summary>
/// targetにmergedの内容を追加してmergedを削除する．
/// </summary>
public void MergeLineSegments(LineSegment target, LineSegment merged)
{
Contract.Requires(target != null && merged != null);
var mergedInlines = new List <Inline>();
foreach (var inline in merged._Inlines)
{
if (!inline.IsLineEndCharacter)
{
mergedInlines.Add(inline);
}
}
mergedInlines.ForEach(
inline => {
merged.Remove(inline);
target.InsertAfter(inline);
}
);
var parent = merged.Parent as Block;
if (parent != null)
{
parent.Remove(merged);
}
}
/// <summary>
/// splittedには以前MergeLineSegments()に渡したmergedを渡す．
/// undoでのmergeとの対称性のため．
/// </summary>
public LineSegment SplitLineSegment(LineSegment line, int inlineIndexInLine, LineSegment splitted)
{
Contract.Requires(line != null);
var parent = line.Parent as Block;
var lineIndex = parent._Lines.IndexOf(line);
var moveds = new List <Inline>();
for (int i = inlineIndexInLine, len = line._Inlines.Count; i < len - 1; ++i)
{
/// 最後のline breakは移動しなくてよい
moveds.Add(line._Inlines[i]);
}
moveds.ForEach(
moved => {
line.Remove(moved);
splitted.InsertAfter(moved);
}
);
parent.Insert(lineIndex + 1, splitted);
return(splitted);
}
public void TestCopyInlines()
{
var line = new LineSegment();
line.InsertAfter(new Run("0123456789"));
line.InsertAfter(new Run("0123456789"));
line.InsertAfter(new Run("0123456789"));
var copy = default(IEnumerable <Inline>);
/// 最初
copy = line.CopyInlines(new Range(0, 5));
Assert.AreEqual(1, copy.Count());
Assert.AreEqual("01234", copy.ElementAt(0).Text);
/// rangeが一つのInline内
copy = line.CopyInlines(new Range(2, 3));
Assert.AreEqual(1, copy.Count());
Assert.AreEqual("234", copy.ElementAt(0).Text);
/// ひとつまたぐ
copy = line.CopyInlines(new Range(7, 5));
Assert.AreEqual(2, copy.Count());
Assert.AreEqual("789", copy.ElementAt(0).Text);
Assert.AreEqual("01", copy.ElementAt(1).Text);
/// 一つ含んでまたぐ
copy = line.CopyInlines(new Range(7, 15));
Assert.AreEqual(3, copy.Count());
Assert.AreEqual("789", copy.ElementAt(0).Text);
Assert.AreEqual("0123456789", copy.ElementAt(1).Text);
Assert.AreEqual("01", copy.ElementAt(2).Text);
/// 最後
copy = line.CopyInlines(new Range(25, 5));
Assert.AreEqual(1, copy.Count());
Assert.AreEqual("56789", copy.ElementAt(0).Text);
copy = line.CopyInlines(new Range(25, 6));
Assert.AreEqual(2, copy.Count());
Assert.AreEqual("56789", copy.ElementAt(0).Text);
Assert.AreEqual("\r", copy.ElementAt(1).Text);
}