/// <summary>
/// This setup method for para builder is also useful for testing stuff related to the paragraph itself.
/// For example, we take advantage of it for testing backspace at start of client run.
/// </summary>
internal static RootBox MakeTestParaThreeStrings(IVwGraphics vg, MockBreakOption breakOption, out ParaBox para)
{
var styles = new AssembledStyles().WithWs(s_simpleStringWs);
var styles2 = new AssembledStyles().WithWs(s_secondGroupWs);
string contents1 = AssembleStrings(s_firstGroupWords);
string contents2 = AssembleStrings(s_secondGroupWords);
string contents3 = AssembleStrings(s_thirdGroupWords);
var clientRuns = new List<IClientRun>();
clientRuns.Add(new StringClientRun(contents1, styles));
clientRuns.Add(new StringClientRun(contents2, styles2));
clientRuns.Add(new StringClientRun(contents3, styles));
var source = new TextSource(clientRuns, null);
para = new ParaBox(styles, source);
var root = new RootBox(styles);
root.AddBox(para);
var layoutArgs = MakeLayoutInfo(Int32.MaxValue / 2, vg);
int totalLength = contents1.Length + contents2.Length + contents3.Length;
// Arrange the following line breaks.
// First the builder will ask to break the whole string, it puts the first three words on a line and indicates it is full.
SetupMockEngineForThreeStringsPara(s_firstGroupWords, s_secondGroupWords, s_thirdGroupWords, layoutArgs);
root.Layout(layoutArgs);
return root;
}
/// <summary>
/// The setup method for para builder is also useful for testing stuff related to the paragraph itself.
/// </summary>
/// <param name="vg"></param>
/// <param name="para"></param>
/// <returns></returns>
internal static RootBox MakeTestParaSimpleString(IVwGraphics vg, MockBreakOption breakOption, out ParaBox para)
{
var styles = new AssembledStyles().WithWs(s_simpleStringWs);
string contents = AssembleStrings(s_simpleStringWords);
var clientRuns = new List<IClientRun>();
clientRuns.Add(new StringClientRun(contents, styles));
var source = new TextSource(clientRuns, null);
para = new ParaBox(styles, source);
var root = new RootBox(styles);
root.AddBox(para);
var layoutArgs = MakeLayoutInfo(Int32.MaxValue / 2, vg);
var engine = layoutArgs.GetRenderer(1) as MockRenderEngine;
switch (breakOption)
{
case MockBreakOption.ThreeOkayBreaks:
// This option generates three lines as long as the width is sufficient because
// Asked to break the whole string we answer a segment that has the first three words.
engine.AddMockSeg(0, contents.Length, SumStringLengths(s_simpleStringWords, 0, 3), s_widthFirstMockSeg, s_simpleStringWs,
LgEndSegmentType.kestOkayBreak);
// Asked to break the rest of the line we answer a segment with the next three.
engine.AddMockSeg(SumStringLengths(s_simpleStringWords, 0, 3), contents.Length, SumStringLengths(s_simpleStringWords, 3, 6),
s_widthSecondMockSeg, s_simpleStringWs, LgEndSegmentType.kestOkayBreak);
// Asked to break the rest of the line we answer a segment with the last three.
engine.AddMockSeg(SumStringLengths(s_simpleStringWords, 0, 6), contents.Length, SumStringLengths(s_simpleStringWords, 6, 9),
s_widthThirdMockSeg, s_simpleStringWs, LgEndSegmentType.kestNoMore);
break;
case MockBreakOption.FourSegsThreeLines:
// Asked to break the whole string we answer a segment that has the first two words but allows more.
engine.AddMockSeg(0, contents.Length, SumStringLengths(s_simpleStringWords, 0, 2), 50, s_simpleStringWs,
LgEndSegmentType.kestOkayBreak);
// Asked to break the rest of the line we give one more word and say it fills the line.
engine.AddMockSeg(SumStringLengths(s_simpleStringWords, 0, 2), contents.Length, SumStringLengths(s_simpleStringWords, 0, 3), 20, s_simpleStringWs,
LgEndSegmentType.kestMoreLines);
// Asked to break the rest of the line we answer a segment with the next three and say it fills the line.
engine.AddMockSeg(SumStringLengths(s_simpleStringWords, 0, 3), contents.Length, SumStringLengths(s_simpleStringWords, 3, 6),
s_widthSecondMockSeg, s_simpleStringWs, LgEndSegmentType.kestMoreLines);
// Asked to break the rest of the line we answer a segment with the last three.
engine.AddMockSeg(SumStringLengths(s_simpleStringWords, 0, 6), contents.Length, SumStringLengths(s_simpleStringWords, 6, 9),
s_widthThirdMockSeg, s_simpleStringWs, LgEndSegmentType.kestNoMore);
// Asked to do anything else
engine.OtherSegPolicy = UnexpectedSegments.MakeOneCharSeg;
break;
case MockBreakOption.ThreeFullLines:
// Asked to break the whole string we answer a segment that has the first three words.
SetupMockEngineForThreeLines(contents, engine, s_simpleStringWords);
break;
}
root.Layout(layoutArgs);
return root;
}
