public KeywordView(BohemianArtifact bbshelf, Vector3 position, Vector3 size)
{
bookshelf = bbshelf;
bookshelf.Library.SelectedArtifactChanged += new ArtifactLibrary.SelectedArtifactHandler(library_SelectedArtifactChanged);
bookshelf.Library.LanguageChanged += new ArtifactLibrary.ChangeLanguageHandler(Library_LanguageChanged);
this.position = position;
this.size = size;
draggedText = null;
titleText = new SelectableText(XNA.Font, "Keywords", new Vector3(0.4f, 0, 0), bookshelf.GlobalTextColor, Color.White);
titleText.InverseScale(0.8f, size.X, size.Y);
WavyText.createAllLetters(bbshelf.Library.Artifacts);
centerCircleRadius = 0.1f;
relatedCircleRadius = centerCircleRadius * 0.5f;
artifactCircles = new List<KeywordContainer>();
for (int i = 0; i < MAX_CIRCLES; i++)
{
KeywordContainer newContainer = new KeywordContainer();
newContainer.Circle = new SelectableEllipse(new Vector2(center.X, center.Y), relatedCircleRadius, centerCircleRadius * 0.05f, Color.White, new Color(1, 1, 1, 0), Color.Black, null);
newContainer.Circle.TouchActivated += new TouchActivatedEventHandler(Circle_TouchActivated);
newContainer.Circle.TouchReleased += new TouchReleaseEventHandler(Circle_TouchReleased);
bookshelf.SelectableObjects.AddObject(newContainer.Circle);
artifactCircles.Add(newContainer);
}
artifactCircles[CENTER_CIRCLE_ID].Circle.Radius = centerCircleRadius;
PositionRelatedCircles();
}
private void Circle_TouchReleased(object sender, TouchArgs e)
{
if (bookshelf.TouchPoints.ContainsKey(e.TouchId) == false)
{
bool fastRelease = true;
if (draggedText != null)
{
fastRelease = draggedText.FastRelease;
draggedText.Mode = WavyText.DisplayMode.BounceBack; // if we fast released, this object is getting wiped out anyway, otherwise bounce back
}
draggedText = null;
if (fastRelease)
{
lock (artifactCircles)
{
KeywordContainer selectedCircle = FindMaterialContainerFromCircle((SelectableEllipse)sender);
// only do stuff if we tap on a circle that's not the center circle
if (selectedCircle != artifactCircles[CENTER_CIRCLE_ID])
{
bookshelf.Library.SelectedArtifact = selectedCircle.Artifact;
}
}
}
}
}
private void library_SelectedArtifactChanged(Artifact selectedArtifact)
{
// change the central circle artifact and texture
artifactCircles[CENTER_CIRCLE_ID].Artifact = selectedArtifact;
artifactCircles[CENTER_CIRCLE_ID].Circle.Texture = selectedArtifact.Texture;
Console.WriteLine("*** New selected artifact " + selectedArtifact.ArticleName + ", colors (" + selectedArtifact.Color.ToString() + ") and it's stems:");
Console.Write("\t");
foreach (StemPair stempair in selectedArtifact.Stems)
{
Console.Write(stempair.Stem + ", ");
}
Console.Write("\n");
List<Artifact> candidateList = new List<Artifact>();
// use the stem graph to find related artifacts and put all found into a candidate list
foreach (StemPair sp in selectedArtifact.Stems)
{
List<StemPair> relatedStemPairs = bookshelf.Library.StemGraph[sp.Stem];
foreach (StemPair relatedSP in relatedStemPairs)
{
if (candidateList.Contains(relatedSP.ArtifactRef) == false && relatedSP.ArtifactRef != selectedArtifact)
{
candidateList.Add(relatedSP.ArtifactRef);
}
}
}
List<KeyValuePair<Artifact, float>> weightedCandidateList = new List<KeyValuePair<Artifact, float>>();
foreach (Artifact a in candidateList)
{
float sameStemCount = 0;
int numMatchedStems = 0;
foreach (StemPair sp in a.Stems)
{
if (selectedArtifact.Stems.Contains(sp) == true)
{
sameStemCount += bookshelf.Library.StemGraph[sp.Stem].Count;
numMatchedStems++;
//sameStemCount++;
}
}
weightedCandidateList.Add(new KeyValuePair<Artifact, float>(a, sameStemCount / (numMatchedStems * numMatchedStems)));
}
// sort based on relevence
weightedCandidateList.Sort(CompareArtifactSimilarity);
weightedCandidateList.Reverse();
/* debugging
foreach (KeyValuePair<Artifact, float> kvp in weightedCandidateList)
{
Artifact a = kvp.Key;
Console.WriteLine(a.ArticleName);
Console.Write("\t");
foreach (StemPair stempair in a.Stems)
{
if (selectedArtifact.Stems.Contains(stempair))
{
Console.Write(stempair.Stem + ", ");
}
}
Console.Write("\n\n");
}
//*/
int i;
lock (artifactCircles)
{
for (i = 0; i < MAX_CIRCLES - 1 && i < weightedCandidateList.Count; i++)
{
artifactCircles[i].Artifact = weightedCandidateList[i].Key;
artifactCircles[i].Circle.Texture = artifactCircles[i].Artifact.Texture;
}
}
numArtifactCircles = i;
// create the wavy text
wavyText.Clear();
WavyText wave;
for (i = 0; i < numArtifactCircles; i++)
{
float angleDeg = (float)(i * 360f / numArtifactCircles);
angleDeg += 22.5f; // add a tilt so it's more separated into quadrants
float angleRad = (float)(angleDeg * Math.PI / 180);
Vector2 direction = WavyText.rotateVector(Vector2.UnitX, angleRad);
direction.Normalize();
Vector2 startPos = new Vector2(artifactCircles[CENTER_CIRCLE_ID].Circle.Position.X, artifactCircles[CENTER_CIRCLE_ID].Circle.Position.Y);
startPos += (artifactCircles[CENTER_CIRCLE_ID].Circle.Radius * 1.3f) * direction;
float waveHeight = 0.03f;
string text = artifactCircles[i].Artifact.ArticleName;
if (maxTextLength > 0 && text.Length > maxTextLength)
text = text.Substring(0, maxTextLength - 3) + "...";
wave = new WavyText(startPos, direction, waveHeight, text, artifactCircles[i].Circle);
int textLength = text.Length;
// make some lengths of text appear better on screen by shrinking the font size (DrawScale) and squishing/expanding the space between letters (StretchFactor)
// DrawScale is absolute value so have to multiply by a percentage, StretchFactor is relative so just assign percentage directly
if (textLength <= 5)
{
wave.DrawScale *= 1.45f;
wave.StretchFactor = 1.25f;
}
else if (textLength <= 11)
{
wave.DrawScale *= 1.25f;
wave.StretchFactor = 1.15f;
}
else if (textLength > 20)
{
wave.DrawScale *= 0.85f;
wave.StretchFactor = 0.9f;
}
//wave.WaveSpeed = 1f;
// if between 90 degrees and 270 degrees, flip the text
if (angleDeg > 90 && angleDeg <= 270)
wave.InsideOutText = true;
wave.resetMovement(); // only need to do if you manually change movement parameters after creating object
wave.Mode = WavyText.DisplayMode.GrowOutward; // starts by growing outward, will change itself when it hits max
wavyText.Add(wave);
}
// add half very related
/*
for (i = 0; i < MAX_CIRCLES / 2 && i < weightedCandidateList.Count; i++)
{
artifactCircles[i].Artifact = weightedCandidateList[i].Key;
artifactCircles[i].Circle.Texture = artifactCircles[i].Artifact.Texture;
}
// and half
Random random = new Random();
for (; i < MAX_CIRCLES - 1; i++)
{
Artifact randomArtifact;
// make sure the random artifact hasn't already been used
do
{
randomArtifact = bookshelf.Library.Artifacts[random.Next(bookshelf.Library.Artifacts.Count)];
} while (candidateList.Contains(randomArtifact) == true);
artifactCircles[i].Artifact = randomArtifact;
artifactCircles[i].Circle.Texture = artifactCircles[i].Artifact.Texture;
}
numArtifactCircles = MAX_CIRCLES - 1;
// add 1/4 least related
// add 1/4 random
//*/
PositionRelatedCircles();
}
void Circle_TouchActivated(object sender, TouchArgs e)
{
WavyText wave = FindWavyTextFromCircle(sender as SelectableEllipse);
if (wave != null && wave != draggedText && bookshelf.TouchPoints.ContainsKey(e.TouchId))
{
draggedText = wave;
Touch touch = bookshelf.TouchPoints[e.TouchId];
wave.DragPosition = convertTouchAbsoluteToRelative(new Vector2(touch.X, touch.Y));
wave.Mode = WavyText.DisplayMode.StraightLine;
}
}