public void HookupSimpleString()
{
MockData1 data1 = new MockData1(m_wsFrn, m_wsEng);
data1.SimpleThree = "foo";
MockParaBox mockPara = new MockParaBox();
var mlHook = new StringHookup(data1, () => data1.SimpleThree, hookup => data1.SimpleThreeChanged += hookup.StringPropChanged,
hookup => data1.SimpleThreeChanged -= hookup.StringPropChanged, mockPara);
mlHook.ClientRunIndex = 5;
data1.SimpleThree = "bar";
data1.RaiseSimpleThreeChanged();
Assert.AreEqual(5, mockPara.TheIndex, "Should have fired the event and notified the correct index");
Assert.AreEqual("bar", mockPara.TheString, "Should have informed para of new string");
mlHook.Dispose();
}
/// <summary>
/// Some common logic for several tests. Returns the old paragraph height (before the change).
/// </summary>
private int TestChangeNotAffectingLineBreaks(out ParaBox para, Action<string[]> wordsModifier,
Func<ParaBox, Rectangle, Rectangle> invalidRectModifier,
Action<List<MockSegment>> potentialSegsModifier)
{
RootBox root = MakeTestParaSimpleString(m_gm.VwGraphics, MockBreakOption.ThreeFullLines, out para);
int result = para.Height;
Rectangle expectedInvalidate = para.InvalidateRect;
var modWords = new string[s_simpleStringWords.Length];
Array.Copy(s_simpleStringWords, modWords, modWords.Length);
wordsModifier(modWords); // make whatever change we intend to the text.
var layoutArgs = MakeLayoutInfo(Int32.MaxValue / 2, m_gm.VwGraphics);
var engine = root.LastLayoutInfo.RendererFactory.GetRenderer(s_simpleStringWs, m_gm.VwGraphics) as MockRenderEngine;
var modContents = AssembleStrings(modWords);
SetupMockEngineForThreeLines(modContents, engine, modWords);
// The one we want to modify is the fourth to be added; this is the same engine, so it already has
// the three potential segments from the original layout.
potentialSegsModifier(engine.m_potentialSegsInOrder);
MockSite site = new MockSite();
root.Site = site;
PaintTransform ptrans = new PaintTransform(2, 4, 96, 100, 0, 10, 120, 128);
site.m_transform = ptrans;
site.m_vwGraphics = m_gm.VwGraphics;
var hookup = new StringHookup(null, null, hook => DoNothing(), hook => DoNothing(), para);
((StringClientRun) para.Source.ClientRuns[0]).Hookup = hookup;
para.StringChanged(0, modContents);
Assert.AreEqual(modContents, para.Source.RenderText);
Assert.That(((StringClientRun) para.Source.ClientRuns[0]).Hookup, Is.EqualTo(hookup));
int ichEndFirstLine = SumStringLengths(modWords, 0, 3);
// We inserted at the start, so only the first line should have been invalidated; but char offsets for other lines should have changed.
VerifySegment(para, 0, s_widthFirstMockSeg, ichEndFirstLine, 0);
int ichEndSecondLine = SumStringLengths(modWords, 0, 6);
VerifySegment(para, 1, s_widthSecondMockSeg, ichEndSecondLine - ichEndFirstLine, ichEndFirstLine);
VerifySegment(para, 2, s_widthThirdMockSeg, modContents.Length - ichEndSecondLine, ichEndSecondLine);
expectedInvalidate = invalidRectModifier(para, expectedInvalidate);
Assert.That(site.RectsInvalidatedInRoot, Has.Member(expectedInvalidate));
return result;
}
// 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<IClientRun>();
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);
var source = new TextSource(items);
var 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);
}
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 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);
}
private MockData1 HookDataToClientRun(ParaBox para, string contents1, int runIndex)
{
var data1 = new MockData1(ParaBuilderTests.s_simpleStringWs, ParaBuilderTests.s_simpleStringWs);
data1.SimpleThree = contents1;
var hookup = new StringHookup(data1, () => data1.SimpleThree,
hook => data1.SimpleThreeChanged += hook.StringPropChanged,
hook => data1.SimpleThreeChanged -= hook.StringPropChanged, para);
hookup.Writer = newVal => data1.SimpleThree = newVal;
hookup.ClientRunIndex = runIndex;
(para.Source.ClientRuns[runIndex] as StringClientRun).Hookup = hookup;
return data1;
}
