/// <summary>
/// This function adds a string to the group box, in the specified writing system
/// </summary>
public ViewBuilder AddString(Expression <Func <string> > fetchString, int ws)
{
var fetcher = fetchString.Compile();
var run = new StringClientRun(fetcher(), NestedBoxStyles.WithWs(ws));
return(AddStringClientRun(run, fetchString, fetcher));
}
public void InsertCharInEmptyLine()
{
string contents = "";
var engine = new FakeRenderEngine()
{
Ws = 34, SegmentHeight = 13
};
var factory = new FakeRendererFactory();
factory.SetRenderer(34, engine);
var styles = new AssembledStyles().WithWs(34);
var clientRuns = new List <IClientRun>();
var run = new StringClientRun(contents, styles);
clientRuns.Add(run);
var data1 = new MockData1(34, 35);
data1.SimpleThree = contents;
var source = new TextSource(clientRuns, null);
var para = new ParaBox(styles, source);
var hookup = new StringHookup(this, () => data1.SimpleThree, hook => data1.SimpleThreeChanged += hook.StringPropChanged,
hook => data1.SimpleThreeChanged -= hook.StringPropChanged, para);
hookup.Writer = newVal => data1.SimpleThree = newVal;
run.Hookup = hookup;
var root = new RootBox(styles);
var block = new BlockBox(styles, Color.Red, 20000, 10000);
root.AddBox(block);
root.AddBox(para);
var layoutArgs = MakeLayoutInfo(Int32.MaxValue / 2, m_gm.VwGraphics, factory);
root.Layout(layoutArgs);
Assert.That(root.Height, Is.EqualTo(13 + block.Height));
Assert.That(para.Width, Is.EqualTo(FakeRenderEngine.SimulatedWidth(contents)));
Assert.That(root.Width, Is.EqualTo(block.Width));
int simulatedWidth = FakeRenderEngine.SimulatedWidth("x");
Assert.That(root.Width, Is.GreaterThan(para.Width + simulatedWidth));
PaintTransform ptrans = new PaintTransform(2, 4, 96, 100, 0, 10, 120, 128);
MockSite site = new MockSite();
site.m_transform = ptrans;
site.m_vwGraphics = m_gm.VwGraphics;
root.Site = site;
var oldRootWidth = root.Width;
var ip = root.SelectAtEnd();
ip.InsertText("x");
Assert.That(root.Height, Is.EqualTo(13 + block.Height));
Assert.That(root.Width, Is.EqualTo(oldRootWidth));
Assert.That(para.Width, Is.EqualTo(simulatedWidth));
var expectedInvalidate = new Rectangle(-RootBox.InvalidateMargin,
-RootBox.InvalidateMargin + block.Height,
simulatedWidth + RootBox.InvalidateMargin * 2,
13 + 2 * RootBox.InvalidateMargin);
Assert.That(site.RectsInvalidatedInRoot, Has.Member(expectedInvalidate));
}
public void OrcBoxRun()
{
// Run 0
string part0 = "abc";
string part1 = "\xfffc";
string part2 = "defg";
AssembledStyles styles = new AssembledStyles().WithWs(wsEn);
StringClientRun clientRun0 = new StringClientRun(part0 + part1 + part2, styles);
var clientRuns = new List <IClientRun>();
clientRuns.Add(clientRun0);
BlockBox box = new BlockBox(styles.WithWs(wsFrn), Color.Red, 72000, 36000);
TextSource source = new TextSource(clientRuns, (run, offset) => box);
MapRun[] runs = source.Runs;
Assert.AreEqual(3, runs.Length);
VerifyRun(0, clientRun0, 0, 0, part0, runs[0], "first run of complex source with box");
int len = part0.Length;
VerifyRun(len, box, len, part0.Length, part1, runs[1], "2nd run of complex source with box");
len += 1;
VerifyRun(len, clientRun0, len, part0.Length + 1, part2, runs[2], "3rd run of complex source with box");
len += part2.Length;
Assert.AreEqual(len, source.Length, "length of complex source with box");
VerifyCharProps(source, part0.Length, wsFrn, part0.Length, part0.Length + 1, "props of box");
}
/// <summary>
/// The common logic of the two versions of AddString.
/// </summary>
private ViewBuilder AddStringClientRun(StringClientRun run, Expression <Func <string> > fetchString, Func <string> fetcher)
{
ParaBox para = InsertParaOrRun(run);
// Try to hook an event for notification of changes to the property.
var mexp = (fetchString.Body as MemberExpression);
var argExp = Expression.Lambda <Func <object> >(mexp.Expression);
Type type = mexp.Member.DeclaringType;
string name = mexp.Member.Name;
EventInfo einfo = type.GetEvent(name + "Changed");
if (einfo != null)
{
var target = argExp.Compile().Invoke();
var stringHookup = new StringHookup(target, fetcher,
hookup => einfo.AddEventHandler(target, new EventHandler <EventArgs>(hookup.StringPropChanged)),
hookup => einfo.RemoveEventHandler(target, new EventHandler <EventArgs>(hookup.StringPropChanged)),
para);
AddHookupToRun(run, stringHookup);
var propInfo = type.GetProperty(name);
if (propInfo.CanWrite)
{
stringHookup.Writer = newVal => propInfo.SetValue(target, newVal, null);
}
}
return(this);
}
public void StringRun()
{
string part1 = "abc def";
AssembledStyles styles = new AssembledStyles().WithWs(wsEn);
StringClientRun clientRun = new StringClientRun(part1, styles);
Assert.AreEqual(1, clientRun.UniformRunCount);
Assert.AreEqual(part1, clientRun.UniformRunText(0));
AssembledStyles style1 = clientRun.UniformRunStyles(0);
Assert.AreEqual(wsEn, style1.Ws);
Assert.AreEqual(0, clientRun.UniformRunStart(0));
Assert.AreEqual(part1.Length, clientRun.UniformRunLength(0));
}
public void SingleUniformRuns()
{
string part1 = "abc def";
var styles = new AssembledStyles().WithWs(wsEn);
var clientRun = new StringClientRun(part1, styles);
var clientRuns = new List <IClientRun>();
clientRuns.Add(clientRun);
TextSource source = new TextSource(clientRuns);
MapRun[] runs = source.Runs;
Assert.AreEqual(1, runs.Length);
VerifyRun(0, clientRun, 0, 0, part1, runs[0], "first run of simple source");
Assert.AreEqual(part1.Length, source.Length, "length of simple source");
}
ParaBox AddPara(string[] contents, AssembledStyles styles, RootBox root)
{
var clientRuns = new List <IClientRun>();
foreach (string item in contents)
{
var run = new StringClientRun(item, styles);
clientRuns.Add(run);
}
var source = new TextSource(clientRuns, null);
var para = new ParaBox(styles, source);
root.AddBox(para);
return(para);
}
// Add to the root a text paragraph which reflects the SimpleText property.
private void AddSimpleTextPara(AssembledStyles styles, int ws, RootBox root)
{
var items = new List <ClientRun>();
var run = new StringClientRun("This is the day that the Lord has made. We will rejoice and be glad in it",
styles.WithWs(ws));
items.Add(run);
TextSource source = new TextSource(items);
ParaBox para = new ParaBox(styles, source);
var hookup = new StringHookup(this, () => this.SimpleText,
hook => SimpleTextChanged += hook.StringPropChanged,
hook => SimpleTextChanged -= hook.StringPropChanged, para);
hookup.Writer = newVal => SimpleText = newVal;
run.Hookup = hookup;
root.AddBox(para);
}
/// <summary>
/// This function adds a (literal) string to the group box, in the specified writing system
/// (and returns the builder, in case we want to do more).
/// </summary>
public ViewBuilder AddString(string content, int ws)
{
var actualWs = ws;
if (ws == 0)
{
var factory = Root.RendererFactory;
if (factory != null)
{
actualWs = factory.UserWs;
}
}
var run = new StringClientRun(content, NestedBoxStyles.WithWs(actualWs));
ParaBox para = InsertParaOrRun(run);
return(this);
}
private ParaBox MakePara(MockSequenceHookup hookup, AssembledStyles styles, MockData1 itemNew, string contents, RootBox root)
{
var newItemHookup = new ItemHookup(itemNew, null);
hookup.InsertChildHookup(newItemHookup, 1);
// Give that hookup a stringhookup child, connected to a paragraph and root box.
var clientRuns = new List <IClientRun>();
itemNew.SimpleThree = contents;
var run = new StringClientRun(contents, styles);
clientRuns.Add(run);
var source = new TextSource(clientRuns, null);
var para = new ParaBox(styles, source);
run.Hookup = new LiteralStringParaHookup(itemNew, para);
newItemHookup.InsertChildHookup(run.Hookup, 0);
root.AddBox(para);
return(para);
}
public void DragStartsOnMoveInSelection()
{
string contents = "This is the day.";
var engine = new FakeRenderEngine()
{
Ws = 34, SegmentHeight = 13
};
var factory = new FakeRendererFactory();
factory.SetRenderer(34, engine);
var styles = new AssembledStyles().WithWs(34);
var clientRuns = new List <IClientRun>();
var run = new StringClientRun(contents, styles);
clientRuns.Add(run);
var source = new TextSource(clientRuns, null);
var para = new ParaBox(styles, source);
var extraBox = new BlockBox(styles, Color.Red, 50, 72000); // tall, narrow spacer at top
var root = new RootBoxFdo(styles);
root.AddBox(extraBox);
root.AddBox(para);
var layoutArgs = MakeLayoutInfo(Int32.MaxValue / 2, m_gm.VwGraphics, factory);
root.Layout(layoutArgs);
Assert.That(root.Height, Is.EqualTo(96 + 13));
Assert.That(root.Width, Is.EqualTo(FakeRenderEngine.SimulatedWidth(contents)));
var ip1 = run.SelectAt(para, 5, false);
var ip2 = run.SelectAt(para, 7, true);
var range = new RangeSelection(ip1, ip2);
range.Install();
PaintTransform ptrans = new PaintTransform(2, 2, 96, 96, 0, 0, 96, 96);
var sbox = para.FirstBox as StringBox;
MockSite site = new MockSite();
site.m_transform = ptrans;
site.m_vwGraphics = m_gm.VwGraphics;
root.Site = site;
int indent = FakeRenderEngine.SimulatedWidth("This ");
root.OnMouseDown(new MouseEventArgs(MouseButtons.Left, 1, indent + 5, 100, 0), Keys.None, m_gm.VwGraphics, ptrans);
root.OnMouseMove(new MouseEventArgs(MouseButtons.Left, 1, indent + 5, 100, 0), Keys.None, m_gm.VwGraphics, ptrans);
Assert.That(GetStringDropData(site), Is.EqualTo("is"));
Assert.That(site.LastDoDragDropArgs.AllowedEffects, Is.EqualTo(DragDropEffects.Copy),
"editing not possible in this paragraph, we can only copy");
Assert.That(root.Selection, Is.EqualTo(range), "selection should not be changed by drag drop");
site.LastDoDragDropArgs = null;
root.OnMouseDown(new MouseEventArgs(MouseButtons.Left, 1, 3, 100, 0), Keys.None, m_gm.VwGraphics, ptrans);
Assert.That(site.LastDoDragDropArgs, Is.Null, "click outside selection should not initiate drag");
// Tack on an extra check that a read-only view does not handle drop.
var dataObj = new DataObject(DataFormats.StringFormat, "new ");
var dragArgs = new DragEventArgs(dataObj, (int)DragDropKeyStates.ControlKey, 10, 8,
DragDropEffects.Copy | DragDropEffects.Move,
DragDropEffects.None);
root.OnDragEnter(dragArgs, new Point(14, 8), m_gm.VwGraphics, ptrans);
Assert.That(dragArgs.Effect, Is.EqualTo(DragDropEffects.None));
Assert.That(root.DragState, Is.EqualTo(WindowDragState.DraggingHere));
}
public void StringChangedTests()
{
string part0 = "abc";
AssembledStyles styles = new AssembledStyles().WithWs(wsEn);
StringClientRun clientRun0 = new StringClientRun(part0, styles);
var clientRuns = new List <IClientRun>();
clientRuns.Add(clientRun0);
TextSource source = new TextSource(clientRuns);
List <IRenderRun> renderRuns = source.RenderRuns;
VerifyRenderRun(renderRuns[0], 0, 3, "initial state has all in one run");
var clientRun1 = new StringClientRun("abcd", styles);
var output1 = source.ClientRunChanged(0, clientRun1);
Assert.AreEqual(1, output1.NewSource.RenderRuns.Count, "replacing single run with simple string should produce single render run.");
VerifyRenderRun(output1.NewSource.RenderRuns[0], 0, 4, "replacing client run should make a new source with modified single run");
Assert.AreEqual(3, output1.StartChange);
Assert.AreEqual(0, output1.DeleteCount);
Assert.AreEqual(1, output1.InsertCount);
// try changing the middle of three runs, from a simple one to a complex one.
clientRuns = new List <IClientRun>();
clientRuns.Add(clientRun0);
string part2 = "def";
var clientRun2 = new StringClientRun(part2, styles);
clientRuns.Add(clientRun2);
string part3 = " mnop";
var clientRun3 = new StringClientRun(part3, styles);
clientRuns.Add(clientRun3);
source = new TextSource(clientRuns, MockInterpretOrc);
string part4 = "q\xfffc";
var clientRun4 = new StringClientRun(part4, styles);
var output2 = source.ClientRunChanged(1, clientRun4);
Assert.AreEqual(3, output2.NewSource.RenderRuns.Count,
"three render runs because ORC interprets as french string.");
VerifyRenderRun(output2.NewSource.RenderRuns[0], 0, part0.Length + 1, "first run up to ORC");
VerifyRenderRun(output2.NewSource.RenderRuns[1], part0.Length + 1, orcText.Length, "second run is French from ORC");
VerifyRenderRun(output2.NewSource.RenderRuns[2], part0.Length + 1 + orcText.Length, part3.Length, "third run is stuff after ORC");
VerifyFetch(output2.NewSource, 0, output2.NewSource.Length, part0 + "q" + orcText + part3);
Assert.AreEqual(part0.Length, output2.StartChange);
Assert.AreEqual(part2.Length, output2.DeleteCount);
Assert.AreEqual(1 + orcText.Length, output2.InsertCount);
// Now do a variation where some of the new run survives at each end.
// To catch a tricky special case, we want to replace some regular text with an ORC
// that expands to the same thing.
var bldr = tsf.MakeString("de" + orcText, wsEn).GetBldr();
bldr.SetIntPropValues(2, 2 + orcText.Length, (int)FwTextPropType.ktptWs,
(int)FwTextPropVar.ktpvDefault, wsFrn);
var clientRunFakeOrc = new TssClientRun(bldr.GetString(), styles);
clientRuns = new List <IClientRun>();
clientRuns.Add(clientRun0);
clientRuns.Add(clientRunFakeOrc);
clientRuns.Add(clientRun3);
source = new TextSource(clientRuns, MockInterpretOrc);
string partDeqOrc = "deq\xfffc";
var clientRun5 = new StringClientRun(partDeqOrc, styles);
var output3 = source.ClientRunChanged(1, clientRun5);
Assert.AreEqual(3, output3.NewSource.RenderRuns.Count,
"three render runs because ORC interprets as french string.");
VerifyRenderRun(output3.NewSource.RenderRuns[0], 0, part0.Length + 3, "first run up to ORC");
VerifyRenderRun(output3.NewSource.RenderRuns[1], part0.Length + 3, orcText.Length, "second run is French from ORC");
VerifyRenderRun(output3.NewSource.RenderRuns[2], part0.Length + 3 + orcText.Length, part3.Length, "third run is stuff after ORC");
VerifyFetch(output3.NewSource, 0, output3.NewSource.Length, part0 + "deq" + orcText + part3);
// This should be interpreted as inserting the "q" after the "de" and before the orc text.
Assert.AreEqual(part0.Length + 2, output3.StartChange);
Assert.AreEqual(0, output3.DeleteCount);
Assert.AreEqual(1, output3.InsertCount);
// special case where nothing changes.
clientRuns = new List <IClientRun>();
clientRuns.Add(clientRun0);
clientRuns.Add(clientRun2);
source = new TextSource(clientRuns, MockInterpretOrc);
var output4 = source.ClientRunChanged(1, clientRun2);
Assert.AreEqual(1, output4.NewSource.RenderRuns.Count, "two client runs collapse to one render");
VerifyRenderRun(output4.NewSource.RenderRuns[0], 0, part0.Length + part2.Length, "run has expected length");
VerifyFetch(output4.NewSource, 0, output4.NewSource.Length, part0 + part2);
Assert.AreEqual(part0.Length, output4.StartChange);
Assert.AreEqual(0, output4.DeleteCount);
Assert.AreEqual(0, output4.InsertCount);
}
public void RenderRuns()
{
string part0 = "abc def";
AssembledStyles styles = new AssembledStyles().WithWs(wsEn);
StringClientRun clientRun0 = new StringClientRun(part0, styles);
var clientRuns = new List <IClientRun>();
clientRuns.Add(clientRun0);
string part0a = " frn";
StringClientRun clientRun0a = new StringClientRun(part0a, styles.WithWs(wsFrn));
clientRuns.Add(clientRun0a);
// Run 1
string part1 = " ghijk"; // english
string part2 = " lmno"; // french
ITsString tss = tsf.MakeString(part1, wsEn);
ITsStrBldr bldr = tss.GetBldr();
bldr.Replace(bldr.Length, bldr.Length, part2, ttpFrn);
TssClientRun clientRun1 = new TssClientRun(bldr.GetString(), styles);
clientRuns.Add(clientRun1);
// Run 2a
string part2a = " french insert";
string part2b = " insert"; // english
ITsString tssInsert = tsf.MakeString(part2b, wsEn);
bldr = tssInsert.GetBldr();
bldr.Replace(0, 0, part2a, ttpFrn);
TssClientRun clientRun2b = new TssClientRun(bldr.GetString(), styles);
clientRuns.Add(clientRun2b);
// IRuntem 2
string part3 = " pq";
string part4 = "\xfffc";
StringClientRun clientRun2 = new StringClientRun(part3 + part4, styles);
clientRuns.Add(clientRun2);
// Run 3
string part5 = "more french";
string part6 = "\xfffc";
StringClientRun clientRun3 = new StringClientRun(part5 + part6, styles.WithWs(wsFrn));
clientRuns.Add(clientRun3);
// Run 4
string part7 = "English";
StringClientRun clientRun4 = new StringClientRun(part7, styles.WithWs(wsFrn));
clientRuns.Add(clientRun4);
BlockBox box = new BlockBox(styles.WithWs(wsFrn), Color.Red, 72000, 36000);
TextSource source = new TextSource(clientRuns, (run, offset) => (run == clientRun2 ? new StringClientRun(orcText, run.UniformRunStyles(0).WithWs(wsFrn)) : (IClientRun)box));
List <IRenderRun> renderRuns = source.RenderRuns;
VerifyRenderRun(renderRuns[0], 0, part0.Length, "first - en");
int len = part0.Length;
VerifyRenderRun(renderRuns[1], len, part0a.Length, "0a - frn");
len += part0a.Length;
VerifyRenderRun(renderRuns[2], len, part1.Length, "part1 - en");
len += part1.Length;
VerifyRenderRun(renderRuns[3], len, part2.Length + part2a.Length, "part2 & 2a (french)");
len += part2.Length + part2a.Length;
VerifyRenderRun(renderRuns[4], len, part2b.Length + part3.Length, "2b and 2 (Eng)");
len += part2b.Length + part3.Length;
VerifyRenderRun(renderRuns[5], len, orcText.Length + part5.Length, "orc + other french");
len += orcText.Length + part5.Length;
VerifyRenderRun(renderRuns[6], len, 1, "single box");
len += 1;
VerifyRenderRun(renderRuns[7], len, part7.Length, "run with same props as preceding box");
Assert.AreEqual(8, renderRuns.Count);
}
public void InsertGrowsPara()
{
string contents = "This is the day.";
var engine = new FakeRenderEngine()
{
Ws = 34, SegmentHeight = 13
};
var factory = new FakeRendererFactory();
factory.SetRenderer(34, engine);
var styles = new AssembledStyles().WithWs(34);
var clientRuns = new List <IClientRun>();
var run = new StringClientRun(contents, styles);
clientRuns.Add(run);
var data1 = new MockData1(34, 35);
data1.SimpleThree = contents;
var source = new TextSource(clientRuns, null);
var para = new ParaBox(styles, source);
var hookup = new StringHookup(this, () => data1.SimpleThree, hook => data1.SimpleThreeChanged += hook.StringPropChanged,
hook => data1.SimpleThreeChanged -= hook.StringPropChanged, para);
hookup.Writer = newVal => data1.SimpleThree = newVal;
run.Hookup = hookup;
var extraBox = new BlockBox(styles, Color.Red, 50, 72000);
var root = new RootBoxFdo(styles);
root.SizeChanged += root_SizeChanged;
root.AddBox(para);
root.AddBox(extraBox);
var layoutArgs = MakeLayoutInfo(Int32.MaxValue / 2, m_gm.VwGraphics, factory);
root.Layout(layoutArgs);
Assert.IsTrue(m_sizeChangedCalled);
Assert.That(root.Height, Is.EqualTo(13 + 96));
Assert.That(root.Width, Is.EqualTo(FakeRenderEngine.SimulatedWidth(contents)));
int widthThisIsThe = FakeRenderEngine.SimulatedWidth("This is the");
layoutArgs = MakeLayoutInfo(widthThisIsThe + 2, m_gm.VwGraphics, factory);
root.Layout(layoutArgs);
Assert.That(root.Height, Is.EqualTo(26 + 96), "two line para is twice the height");
Assert.That(root.Width, Is.EqualTo(widthThisIsThe + 2), "two-line para occupies full available width");
Assert.That(extraBox.Top, Is.EqualTo(26));
PaintTransform ptrans = new PaintTransform(2, 4, 96, 100, 0, 10, 120, 128);
MockSite site = new MockSite();
site.m_transform = ptrans;
site.m_vwGraphics = m_gm.VwGraphics;
root.Site = site;
m_sizeChangedCalled = false;
var ip = para.SelectAtEnd();
ip.InsertText(" We will be");
Assert.That(para.Height, Is.EqualTo(39), "inserted text makes para a line higher");
Assert.That(root.Height, Is.EqualTo(39 + 96), "root grows when para does");
Assert.That(root.Width, Is.EqualTo(widthThisIsThe + 2), "three-line para occupies full available width");
Assert.That(extraBox.Top, Is.EqualTo(39));
Assert.IsTrue(m_sizeChangedCalled);
}
public void MultiUniformRuns()
{
// Run 0
string part0 = "abc def";
AssembledStyles styles = new AssembledStyles().WithWs(wsEn);
StringClientRun clientRun0 = new StringClientRun(part0, styles);
var clientRuns = new List <IClientRun>();
clientRuns.Add(clientRun0);
// Run 1
string part1 = " ghijk";
string part2 = " lmno";
ITsString tss = tsf.MakeString(part2, wsEn);
ITsStrBldr bldr = tss.GetBldr();
bldr.Replace(0, 0, part1, ttpFrn);
TssClientRun clientRun1 = new TssClientRun(bldr.GetString(), styles);
clientRuns.Add(clientRun1);
// Run 2
string part3 = " pq";
string part4 = "\xfffc";
string part5 = "r";
StringClientRun clientRun2 = new StringClientRun(part3 + part4 + part5, styles);
clientRuns.Add(clientRun2);
TextSource source = new TextSource(clientRuns, MockInterpretOrc);
MapRun[] runs = source.Runs;
Assert.AreEqual(6, runs.Length);
VerifyRun(0, clientRun0, 0, 0, part0, runs[0], "first run of complex source (abcdef)");
int len = part0.Length;
VerifyRun(len, clientRun1, len, 0, part1, runs[1], "2nd run of complex source( ghijk)");
len += part1.Length;
VerifyRun(len, clientRun1, len, 0, 1, part2, runs[2], "3rd run of complex source( lmno)");
len += part2.Length;
VerifyRun(len, clientRun2, len, 0, part3, runs[3], "4th run of complex source (pq)");
len += part3.Length;
int orcPos = len;
VerifyRun(len, clientRun2, len, part3.Length, orcText, runs[4], "5th run of complex source (orc->xyz)");
int render = len + orcText.Length;
len += 1;
VerifyRun(len, clientRun2, render, part3.Length + part4.Length, part5, runs[5], "6th run of complex source(r)");
len += part5.Length;
render += part5.Length;
Assert.AreEqual(render, source.Length, "Length of complex source");
// LogToRen
Assert.AreEqual(0, source.LogToRen(0));
Assert.AreEqual(1, source.LogToRen(1));
Assert.AreEqual(part1.Length - 1, source.LogToRen(part1.Length - 1));
Assert.AreEqual(part1.Length, source.LogToRen(part1.Length));
Assert.AreEqual(part1.Length + 1, source.LogToRen(part1.Length + 1));
Assert.AreEqual(orcPos - 1, source.LogToRen(orcPos - 1));
Assert.AreEqual(orcPos, source.LogToRen(orcPos));
int delta = orcText.Length - 1;
Assert.AreEqual(orcPos + 1 + delta, source.LogToRen(orcPos + 1));
Assert.AreEqual(len + delta, source.LogToRen(len));
Assert.AreEqual(len - 1 + delta, source.LogToRen(len - 1));
//RenToLog
Assert.AreEqual(0, source.RenToLog(0));
Assert.AreEqual(1, source.RenToLog(1));
Assert.AreEqual(part1.Length - 1, source.RenToLog(part1.Length - 1));
Assert.AreEqual(part1.Length, source.RenToLog(part1.Length));
Assert.AreEqual(part1.Length + 1, source.RenToLog(part1.Length + 1));
Assert.AreEqual(orcPos - 1, source.RenToLog(orcPos - 1));
Assert.AreEqual(orcPos, source.RenToLog(orcPos));
Assert.AreEqual(orcPos, source.RenToLog(orcPos + orcText.Length - 1));
Assert.AreEqual(orcPos + 1, source.RenToLog(orcPos + orcText.Length));
Assert.AreEqual(len, source.RenToLog(len + delta));
Assert.AreEqual(len - 1, source.RenToLog(len + delta - 1));
// Fetch
VerifyFetch(source, 0, 0, "");
VerifyFetch(source, 0, 1, "a");
VerifyFetch(source, 0, part0.Length, part0);
VerifyFetch(source, orcPos, orcPos + orcText.Length, orcText);
VerifyFetch(source, part0.Length, part0.Length + part1.Length, part1);
VerifyFetch(source, part0.Length + part1.Length - 2, part0.Length + part1.Length + 2, part1.Substring(part1.Length - 2) + part2.Substring(0, 2));
VerifyFetch(source, part0.Length, part0.Length + part1.Length + part2.Length + 1,
part1 + part2 + part3.Substring(0, 1));
VerifyFetch(source, orcPos + orcText.Length - 1, orcPos + orcText.Length + 1,
orcText.Substring(orcText.Length - 1) + part5);
// GetCharProps. (This test is too restrictive. In several cases, a larger range could be returned. OTOH it is weak
// in only verifying the writing system to check the properties returned.)
VerifyCharProps(source, 0, wsEn, 0, part0.Length, "props at 0 in complex string");
VerifyCharProps(source, 2, wsEn, 0, part0.Length, "props in middle of first run in complex string");
VerifyCharProps(source, part0.Length - 1, wsEn, 0, part0.Length, "props of last char of first run in complex string");
VerifyCharProps(source, part0.Length, wsFrn, part0.Length, part0.Length + part1.Length, "props at start of second run in complex string");
VerifyCharProps(source, orcPos - 1, wsEn, orcPos - part3.Length, orcPos, "props of last char before ORC");
VerifyCharProps(source, orcPos, wsFrn, orcPos, orcPos + orcText.Length, "props of first char of ORC expansion");
VerifyCharProps(source, orcPos + 1, wsFrn, orcPos, orcPos + orcText.Length, "props of mid char of ORC expansion");
VerifyCharProps(source, orcPos + orcText.Length - 1, wsFrn, orcPos, orcPos + orcText.Length, "props of last char of ORC expansion");
VerifyCharProps(source, orcPos + orcText.Length, wsEn, orcPos + orcText.Length, orcPos + orcText.Length + part5.Length,
"props of first char after ORC expansion");
}
public void ValidSelections()
{
AssembledStyles styles = new AssembledStyles();
var clientRuns = new List <IClientRun>();
var run0 = new StringClientRun("First run", styles);
var run1 = new StringClientRun("Middle run", styles);
BlockBox box0 = new BlockBox(styles, Color.Red, 72000, 36000);
var run2 = new StringClientRun("Last run", styles);
clientRuns.Add(run0);
clientRuns.Add(run1);
clientRuns.Add(box0);
clientRuns.Add(run2);
TextSource source = new TextSource(clientRuns, null);
ParaBox para0 = new ParaBox(styles, source);
run0.Hookup = new LiteralStringParaHookup(para0, para0);
run1.Hookup = new LiteralStringParaHookup(para0, para0);
run2.Hookup = new LiteralStringParaHookup(para0, para0);
DivBox div = new DivBox(styles);
RootBox root = new RootBox(styles);
para0.Container = div;
MockGraphics graphics = new MockGraphics();
LayoutInfo layoutArgs = ParaBuilderTests.MakeLayoutInfo(100, graphics);
root.Layout(layoutArgs);
root.AddBox(div);
var sel = para0.SelectAtStart();
root.Selection = sel;
Assert.That(!root.Selection.IsValid);
div.AddBox(para0);
root.RemoveBoxes(div, div);
div.Container = root;
Assert.That(!root.Selection.IsValid);
root.AddBox(div);
Assert.That(root.Selection.IsValid);
(root.Selection as InsertionPoint).Hookup.ClientRunIndex = 4;
Assert.That(!root.Selection.IsValid);
(root.Selection as InsertionPoint).Hookup.ClientRunIndex = 2;
Assert.That(!root.Selection.IsValid);
(root.Selection as InsertionPoint).Hookup.ClientRunIndex = 0;
(root.Selection as InsertionPoint).StringPosition = 10;
Assert.That(!root.Selection.IsValid);
(root.Selection as InsertionPoint).StringPosition = 0;
run0.Hookup = null;
Assert.That(!root.Selection.IsValid);
run0.Hookup = new LiteralStringParaHookup(para0, para0);
sel = para0.SelectAtStart();
root.Selection = sel;
Assert.That(root.Selection.IsValid);
}
public void EmptyRuns()
{
// Run 0
string part0 = "";
AssembledStyles styles = new AssembledStyles().WithWs(wsEn);
StringClientRun clientRun0 = new StringClientRun(part0, styles);
var clientRuns = new List <IClientRun>();
clientRuns.Add(clientRun0);
// We want an empty run if it's the only thing in the paragraph.
TextSource source = new TextSource(clientRuns, MockInterpretOrc);
MapRun[] runs = source.Runs;
Assert.AreEqual(1, runs.Length);
VerifyRun(0, clientRun0, 0, 0, "", runs[0], "first run of empty source");
Assert.AreEqual(0, source.Length, "length of empty source");
VerifyCharProps(source, 0, wsEn, 0, 0, "props at 0 in empty string");
// We don't want an empty run adjacent to a non-empty one.
string part1 = "abc";
StringClientRun clientRun1 = new StringClientRun(part1, styles);
clientRuns.Add(clientRun1);
source = new TextSource(clientRuns, MockInterpretOrc);
runs = source.Runs;
Assert.AreEqual(1, runs.Length);
VerifyRun(0, clientRun1, 0, 0, part1, runs[0], "first run of (empty, abc) source");
Assert.AreEqual(part1.Length, source.Length, "length of (empty, abc) source");
// (empty, box) keeps empty
BlockBox box = new BlockBox(styles, Color.Red, 72000, 36000);
clientRuns[1] = box;
source = new TextSource(clientRuns, MockInterpretOrc);
runs = source.Runs;
Assert.AreEqual(2, runs.Length);
VerifyRun(0, clientRun0, 0, 0, "", runs[0], "first run of (empty, box) source");
VerifyRun(0, box, 0, 0, "\xfffc", runs[1], "2nd run of (empty, box) source");
Assert.AreEqual(1, source.Length, "length of (empty, box) source");
// Two adjacent empty strings produce a single run for the first client run.
clientRuns.RemoveAt(1);
StringClientRun clientRun1e = new StringClientRun(part0, styles);
clientRuns.Add(clientRun1e);
source = new TextSource(clientRuns, MockInterpretOrc);
runs = source.Runs;
Assert.AreEqual(1, runs.Length);
VerifyRun(0, clientRun0, 0, 0, "", runs[0], "first run of (empty, empty) source");
Assert.AreEqual(0, source.Length, "length of (empty, empty) source");
// (something,empty) keeps the something.
clientRuns[0] = clientRun1;
source = new TextSource(clientRuns, MockInterpretOrc);
runs = source.Runs;
Assert.AreEqual(1, runs.Length);
VerifyRun(0, clientRun1, 0, 0, part1, runs[0], "first run of (abc, empty) source");
Assert.AreEqual(part1.Length, source.Length, "length of (abc, empty) source");
// (box, empty) keeps empty
clientRuns[0] = box;
source = new TextSource(clientRuns, MockInterpretOrc);
runs = source.Runs;
Assert.AreEqual(2, runs.Length);
VerifyRun(0, box, 0, 0, "\xfffc", runs[0], "first run of (box, empty) source");
VerifyRun(1, clientRun1e, 1, 0, "", runs[1], "2nd run of (box, empty) source");
Assert.AreEqual(1, source.Length, "length of (box, empty) source");
}
// Add to the root a text paragraph which reflects the SimpleText property.
private void AddSimpleTextPara(AssembledStyles styles, int ws, RootBox root)
{
var items = new List<ClientRun>();
var run = new StringClientRun("This is the day that the Lord has made. We will rejoice and be glad in it",
styles.WithWs(ws));
items.Add(run);
TextSource source = new TextSource(items);
ParaBox para = new ParaBox(styles, source);
var hookup = new StringHookup(this, () => this.SimpleText,
hook => SimpleTextChanged += hook.StringPropChanged,
hook => SimpleTextChanged -= hook.StringPropChanged, para);
hookup.Writer = newVal => SimpleText = newVal;
run.Hookup = hookup;
root.AddBox(para);
}
