private void CreateVisualsForLetter(ITextViewLine line)
{
//grab a reference to the lines in the current TextView
var textViewLines = textView.TextViewLines;
int start = line.Start;
int end = line.End;
//Loop through each character, and place a box over item
for (var i = start; i < end; ++i)
{
var text = i > 0 ? new string(new [] { textView.TextSnapshot[i - 1], textView.TextSnapshot[i] }) : textView.TextSnapshot[i].ToString();
var @char = textView.TextSnapshot[i];
var index = text.Length - 1;
if (matchingPredicate(text, @char, index))
{
var span = new SnapshotSpan(textView.TextSnapshot, Span.FromBounds(i, i + 1));
var g = textViewLines.GetMarkerGeometry(span);
if (g != null)
{
// save the location of this letterTofind to jump to later
var key = letterLocationSpans.AddSpan(span.Start);
// Align the image with the top of the bounds of the text geometry
var letterReference = new LetterReference(key, g.Bounds, 12);
Canvas.SetLeft(letterReference, g.Bounds.Left);
Canvas.SetTop(letterReference, g.Bounds.Top);
aceLayer.AddAdornment(AdornmentPositioningBehavior.TextRelative, span, null, letterReference, null);
}
}
}
}
public void if_found_location_IsGreater_than_offsetKeyof_B_Then_Limit_dictionary()
{
// one more than z
var foundKeyLocations = CreateLocations(26 * 26 + 1);
var letterDictionary = new LetterReferenceDictionary(foundKeyLocations.Count);
foreach (var keyLocation in foundKeyLocations)
{
letterDictionary.AddSpan(keyLocation);
}
Assert.AreEqual(1, letterDictionary.GetLetterPosition("A"));
Assert.AreEqual('B', letterDictionary.OffsetKey);
Assert.AreEqual("BZ", letterDictionary.LastKey);
}
public void if_found_locations_than_Z_then_A_Z()
{
//26 is a-z
var foundKeyLocations = CreateLocations(26);
var letterDictionary = new LetterReferenceDictionary(foundKeyLocations.Count);
foreach (var keyLocation in foundKeyLocations)
{
letterDictionary.AddSpan(keyLocation);
}
Assert.AreEqual(1, letterDictionary.GetLetterPosition("A"));
Assert.AreEqual(2, letterDictionary.GetLetterPosition("B"));
Assert.AreEqual(26, letterDictionary.GetLetterPosition("Z"));
}
public void if_found_locations_greater_than_z_then_ZA()
{
// one more than z
var foundKeyLocations = CreateLocations(27);
var letterDictionary = new LetterReferenceDictionary(foundKeyLocations.Count);
foreach (var keyLocation in foundKeyLocations)
{
letterDictionary.AddSpan(keyLocation);
}
Assert.AreEqual(1, letterDictionary.GetLetterPosition("A"));
Assert.AreEqual(25, letterDictionary.GetLetterPosition("ZA"));
Assert.AreEqual(26, letterDictionary.GetLetterPosition("ZB"));
Assert.AreEqual(27, letterDictionary.GetLetterPosition("ZC"));
}
public void if_found_location_78_then_X()
{
// one more than z
var foundKeyLocations = CreateLocations(26 * 3 + 1);
var letterDictionary = new LetterReferenceDictionary(foundKeyLocations.Count);
foreach (var keyLocation in foundKeyLocations)
{
letterDictionary.AddSpan(keyLocation);
}
Assert.AreEqual(1, letterDictionary.GetLetterPosition("A"));
Assert.AreEqual(23, letterDictionary.GetLetterPosition("ZA")); // would have been x
Assert.AreEqual(24, letterDictionary.GetLetterPosition("ZB"));
Assert.AreEqual(51, letterDictionary.GetLetterPosition("YC"));
Assert.AreEqual(75, letterDictionary.GetLetterPosition("XA"));
Assert.AreEqual(76, letterDictionary.GetLetterPosition("XB"));
}
public void if_found_location_53_then_YB()
{
// one more than z
var foundKeyLocations = CreateLocations(53);
var letterDictionary = new LetterReferenceDictionary(foundKeyLocations.Count);
foreach (var keyLocation in foundKeyLocations)
{
letterDictionary.AddSpan(keyLocation);
}
Assert.AreEqual(1, letterDictionary.GetLetterPosition("A"));
Assert.AreEqual(24, letterDictionary.GetLetterPosition("ZA"));
Assert.AreEqual(25, letterDictionary.GetLetterPosition("ZB"));
Assert.AreEqual(26, letterDictionary.GetLetterPosition("ZC"));
Assert.AreEqual(50, letterDictionary.GetLetterPosition("YA"));
Assert.AreEqual(51, letterDictionary.GetLetterPosition("YB"));
Assert.AreEqual(52, letterDictionary.GetLetterPosition("YC"));
Assert.AreEqual(53, letterDictionary.GetLetterPosition("YD"));
Assert.AreEqual("YD", letterDictionary.LastKey);
}
