public int CompareEndpoints(TextPatternRangeEndpoint endpoint, ITextRangeProvider targetRange, TextPatternRangeEndpoint targetEndpoint)
{
FooTextBoxRangeProvider other = targetRange as FooTextBoxRangeProvider;
if (other == null)
{
throw new ArgumentException("");
}
if (endpoint == TextPatternRangeEndpoint.Start)
{
if (targetEndpoint == TextPatternRangeEndpoint.Start)
{
return(this.Compare(this.start, other.start));
}
if (targetEndpoint == TextPatternRangeEndpoint.End)
{
return(this.Compare(this.start, other.end));
}
}
if (endpoint == TextPatternRangeEndpoint.End)
{
if (targetEndpoint == TextPatternRangeEndpoint.Start)
{
return(this.Compare(this.start, other.end));
}
if (targetEndpoint == TextPatternRangeEndpoint.End)
{
return(this.Compare(this.end, other.end));
}
}
throw new ArgumentException("endpointに未知の値が指定されました");
}
public ITextRangeProvider[] GetSelection()
{
ITextRangeProvider[] ret = new ITextRangeProvider[1];
int selStart = this.fooTextBox.Selection.Index;
int selLength = this.fooTextBox.Selection.Length;
ret[0] = new FooTextBoxRangeProvider(this.fooTextBox, selStart, selLength, this);
return(ret);
}
public bool Compare(ITextRangeProvider o)
{
FooTextBoxRangeProvider other = o as FooTextBoxRangeProvider;
if (other == null)
{
throw new ArgumentNullException("null以外の値を指定してください");
}
if (this.start == other.start && this.end == other.end)
{
return(true);
}
else
{
return(false);
}
}
public ITextRangeProvider[] GetVisibleRanges()
{
ITextRangeProvider[] ret = new ITextRangeProvider[1];
if (this.fooTextBox.LayoutLineCollection.Count == 0)
{
ret[0] = new FooTextBoxRangeProvider(this.fooTextBox, 0, 0, this);
}
else
{
EditView view = this.fooTextBox.View;
int startIndex = view.GetIndexFromLayoutLine(new TextPoint(view.Src.Row, 0));
int endIndex = view.GetIndexFromLayoutLine(new TextPoint(view.Src.Row + view.LineCountOnScreen, 0));
ret[0] = new FooTextBoxRangeProvider(this.fooTextBox, startIndex, endIndex - startIndex, this);
}
return(ret);
}
public void MoveEndpointByRange(TextPatternRangeEndpoint endpoint, ITextRangeProvider targetRange, TextPatternRangeEndpoint targetEndpoint)
{
FooTextBoxRangeProvider other = targetRange as FooTextBoxRangeProvider;
if (other == null)
{
throw new ArgumentException("");
}
if (endpoint == TextPatternRangeEndpoint.Start)
{
if (targetEndpoint == TextPatternRangeEndpoint.Start)
{
this.start = other.start;
}
if (targetEndpoint == TextPatternRangeEndpoint.End)
{
this.start = other.end;
}
if (this.start > this.end)
{
this.end = this.start;
}
return;
}
if (endpoint == TextPatternRangeEndpoint.End)
{
if (targetEndpoint == TextPatternRangeEndpoint.Start)
{
this.end = other.start;
}
if (targetEndpoint == TextPatternRangeEndpoint.End)
{
this.end = other.end;
}
return;
}
throw new ArgumentException("endpointに未知の値が指定されました");
}
