protected override void DrawGroupLabels()
{
ChartModel model = Model;
Canvas container = new Canvas();
HLabelContainer = container;
List <UIElement> labelElems = LabelElements;
bool animate = (AnimationDuration > 0);
string[] groupLabels = model.GroupLabels;
int vLineCount = groupLabels.Length;
TextBlock labelElem;
string labelText;
string labelXAML = CurrentLookAndFeel.GetGroupLabelXAML();
double maxWidth = 0, maxHeight = 0;
TextBlock [] gLabelElems = new TextBlock[vLineCount];
GroupLabelElems = gLabelElems;
for (int i = 0; i < vLineCount; ++i)
{
labelText = groupLabels[i];
if (labelText == null || labelText.Length == 0)
{
continue;
}
labelElem = XamlReader.Load(labelXAML) as TextBlock;
if (animate)
{
labelElems.Add(labelElem);
labelElem.Opacity = 0;
}
labelElem.Text = labelText;
container.Children.Add(labelElem);
gLabelElems[i] = labelElem;
maxWidth = Math.Max(maxWidth, labelElem.ActualWidth);
maxHeight = Math.Max(maxHeight, labelElem.ActualHeight);
}
ChartCanvas.Children.Add(container);
HLabelBounds = new Size(maxWidth, maxHeight);
}
public override void DrawChartData()
{
var rootElem = ChartCanvas;
// calculate the number of rows and columns
ChartModel model = Model;
double[,] yValues = model.YValues;
int yValueCount = yValues.GetUpperBound(0) + 1;
string[] groupLabels = model.GroupLabels;
int groupCount = groupLabels != null?groupLabels.Length:1;
int nCols = (int)Math.Ceiling(Math.Sqrt(yValueCount)), nRows = (int)Math.Round(Math.Sqrt(yValueCount));
string labelXAML = CurrentLookAndFeel.GetGroupLabelXAML();
TextBlock labelElem = null;
double dx = MarginLeft, dy = MarginTop;
double quadWidth = (rootElem.Width - dx - MarginRight) / nCols;
bool animate = (AnimationDuration > 0);
double vGap = 2 * _TEXT_MARGIN;
var quadHeight = (rootElem.Height - MarginTop - MarginBottom - (nRows - 1) * vGap) / nRows;
if (animate)
{
_pieAnimAngles = new List <double>();
_pieAnimRadii = new List <double>();
}
for (int i = 0; i < nRows; ++i)
{
for (int j = 0; j < nCols; ++j)
{
int iGroup = (groupLabels != null)?(i * nCols + j):(-1);
if (iGroup >= yValueCount)
{
break;
}
string groupLabel = (iGroup == -1)?null:groupLabels[iGroup];
Canvas pieContainer = new Canvas();
rootElem.Children.Add(pieContainer);
double newHeight = DrawGroupLabelTitle(groupLabel, rootElem, labelXAML, ref labelElem,
dx, dy, quadWidth, quadHeight);
double newWidth = quadWidth - 2 * _TEXT_MARGIN;
double cx = dx + quadWidth / 2 + _TEXT_MARGIN, cy = dy + newHeight / 2;
if (animate)
{
_pieAnimRadii.Add(Math.Max(cx, cy));
}
if (IsPerspective)
{
this._draw3DPies(pieContainer, newWidth, newHeight, iGroup);
MatrixTransform mt = new MatrixTransform();
mt.Matrix = new Matrix(1, 0, 0, .707, cx, cy);
// The chart is draw with the center at 0 so we need to compensate for it.
pieContainer.RenderTransform = mt;
}
else
{
this._drawPies(pieContainer, newWidth, newHeight, iGroup);
TranslateTransform tt = new TranslateTransform();
tt.X = cx;
tt.Y = cy;
pieContainer.RenderTransform = tt;
}
dx += quadWidth;
}
dx = MarginLeft;
dy += quadHeight + vGap;
}
}
public override void DrawChartData()
{
if (YMinorGridCount < 0)
{
YMinorGridCount = 4;
}
var rootCanvas = ChartCanvas;
// calculate the number of rows and columns
ChartModel model = Model;
double[,] yValues = model.YValues;
int yValueCount = yValues.GetUpperBound(0) + 1;
string [] groupLabels = model.GroupLabels;
int groupCount = (groupLabels != null)?groupLabels.Length:1;
int nCols = (int)Math.Ceiling(Math.Sqrt(yValueCount)), nRows = (int)Math.Round(Math.Sqrt(yValueCount));
double dx = MarginLeft, dy = MarginTop;
double quadWidth = (rootCanvas.Width - MarginLeft - MarginRight) / nCols;
double vGap = 2 * _TEXT_MARGIN;
double quadHeight = (rootCanvas.Height - MarginTop - MarginBottom - (nRows - 1) * vGap) / nRows;
string labelXAML = CurrentLookAndFeel.GetGroupLabelXAML();
TextBlock labelElem = null;
for (int i = 0; i < nRows; ++i)
{
for (int j = 0; j < nCols; ++j)
{
int iGroup = groupLabels != null?(i * nCols + j):(-1);
if (iGroup >= yValueCount)
{
break;
}
string groupLabel = (iGroup == -1)?null:groupLabels[iGroup];
Canvas gaugeContainer = new Canvas();
rootCanvas.Children.Add(gaugeContainer);
if (groupLabel != null)
{
labelElem = XamlReader.Load(labelXAML) as TextBlock;
}
double newHeight = DrawGroupLabelTitle(groupLabel, rootCanvas, labelXAML, ref labelElem,
dx, dy, quadWidth, quadHeight);
double newWidth = quadWidth - 2 * _TEXT_MARGIN;
Size gaugeSize = DrawDial(gaugeContainer, newWidth, newHeight, iGroup);
TranslateTransform tt = new TranslateTransform();
tt.X = (dx + _TEXT_MARGIN);
tt.Y = dy;
gaugeContainer.RenderTransform = tt;
if (groupLabel != null)
{
if (gaugeSize.Height < newHeight - vGap)
{
var newY = (double)labelElem.GetValue(Canvas.TopProperty);
newY -= (newHeight - gaugeSize.Height) / 2 - vGap;
labelElem.SetValue(Canvas.TopProperty, newY);
}
}
dx += quadWidth;
}
dx = MarginLeft;
dy += quadHeight + vGap;
}
}
