/// <summary>
/// Used to set datasource if the control is to display a set of sequences. For example parsed output of a FastA file.
/// </summary>
/// <param name="sourceList">List of sequences</param>
public void SetDataSource(IList <ISequence> sourceList)
{
this.sequenceList = sourceList;
this.sequencePropertiesList = null;
this.referenceSequence = null;
this.referenceSequenceLine = null;
DataSourceUpdated();
}
/// <summary>
/// Calculates different measures needed for drawing the panel
/// </summary>
/// <param name="availableSize">Available size for this panel</param>
/// <returns>Total required size, always returns available size back.</returns>
protected override Size MeasureOverride(Size availableSize)
{
if (availableSize.Width <= 0 || availableSize.Height <= 0)
{
return(new Size(0, 0));
}
if (System.ComponentModel.DesignerProperties.GetIsInDesignMode(this))
{
return(new Size(100, 30));
}
if (sequenceList == null || sequenceList.Count == 0 || FontSize < 2)
{
Children.Clear();
TextBlock noSequencePresentText = new TextBlock();
if (FontSize < 2)
{
noSequencePresentText.Text = Properties.Resource.SequencesPanel_FontSizeLow;
}
else
{
noSequencePresentText.Text = Properties.Resource.SequencesPanel_NothingToDisplay;
}
noSequencePresentText.Foreground = Brushes.Gainsboro;
Children.Add(noSequencePresentText);
noSequencePresentText.Measure(availableSize);
return(noSequencePresentText.DesiredSize);
}
// Calculate font dimensions
TextBlock charSizeBlock = new TextBlock {
FontSize = FontSize
};
Children.Add(charSizeBlock);
charSizeBlock.Text = "Wp";
charSizeBlock.Measure(availableSize);
CharHeight = (int)charSizeBlock.DesiredSize.Height; // Height
charSizeBlock.Text = "W";
charSizeBlock.Measure(availableSize);
CharWidth = (int)charSizeBlock.DesiredSize.Width + 2; // Width
Children.Clear();
displayedSequences.Clear();
gridLines.Clear();
paddingTop = 0;
// Calculate display start and end index
DisplayEndIndex = ((int)Math.Floor(availableSize.Width / CharWidth)) + DisplayStartIndex;
// Add grid
Line gridLine;
for (int i = 0; i < availableSize.Width; i += (int)CharWidth)
{
gridLine = new Line();
gridLine.UseLayoutRounding = true;
gridLine.X1 = 0;
gridLine.X2 = 0;
gridLine.Y1 = 0;
gridLine.Y2 = availableSize.Height;
gridLine.Height = availableSize.Height;
gridLine.StrokeThickness = gridLineWidth;
gridLine.Width = gridLineWidth;
gridLine.Stroke = Brushes.Gainsboro;
gridLines.Add(gridLine);
Children.Add(gridLine);
gridLine.Measure(availableSize);
}
// Add scale values and grid lines
StackPanel scaleValuesPanel = new StackPanel();
scaleValuesPanel.Orientation = Orientation.Horizontal;
TextBlock scaleValue;
int scaleValueText = DisplayStartIndex;
for (int i = 0; i <= availableSize.Width; i += (int)(CharWidth * 10), scaleValueText += 10)
{
scaleValue = new TextBlock();
scaleValue.FontSize = FontSize;
scaleValue.Text = scaleValueText.ToString();
scaleValue.ToolTip = scaleValueText.ToString();
scaleValue.Width = (int)(CharWidth * 10);
scaleValuesPanel.Children.Add(scaleValue);
}
scaleValuesContainer = new Border();
scaleValuesContainer.BorderThickness = new Thickness(0, 0, 0, 2);
scaleValuesContainer.BorderBrush = Brushes.Gray;
scaleValuesContainer.Child = scaleValuesPanel;
scaleValuesContainer.Margin = new Thickness(0, 5, 0, 5);
Children.Add(scaleValuesContainer);
scaleValuesContainer.Measure(availableSize);
paddingTop += scaleValuesContainer.DesiredSize.Height;
// Add reference sequence to the panel
if (referenceSequence != null)
{
referenceSequenceLine = new SequenceLine(referenceSequence, this);
referenceSequenceLine.IsReferenceSequence = true;
referenceSequenceLine.FontSize = FontSize;
referenceSequenceLine.Margin = new Thickness(0, 0, 0, 10);
Children.Add(referenceSequenceLine);
referenceSequenceLine.Measure(availableSize);
paddingTop += referenceSequenceLine.DesiredSize.Height;
}
// Calculate max number of items displayable on screen
SequenceLine newSeq = new SequenceLine(sequenceList[0], this);
newSeq.Measure(availableSize);
MaxVisibleItemCount = Math.Max(0, ((int)Math.Floor((availableSize.Height - paddingTop) / newSeq.DesiredSize.Height))); // -1 else last sequence might be cut off partly coz of rounding issues
MaxVisibleCharCount = Math.Max(0, (int)Math.Floor(availableSize.Width / CharWidth));
// Add sequences
for (int currentSourceIndex = SourceStartIndex;
(currentSourceIndex < SourceStartIndex + MaxVisibleItemCount + 1) && sequenceList.Count > currentSourceIndex;
currentSourceIndex++)
{
ISequence sequenceToAssign = sequenceList[currentSourceIndex];
if (sequencePropertiesList != null)
{
if (sequencePropertiesList[currentSourceIndex].IsComplemented && sequencePropertiesList[currentSourceIndex].IsReversed)
{
sequenceToAssign = sequenceToAssign.GetReverseComplementedSequence();
}
else if (sequencePropertiesList[currentSourceIndex].IsComplemented)
{
sequenceToAssign = sequenceToAssign.GetComplementedSequence();
}
else if (sequencePropertiesList[currentSourceIndex].IsReversed)
{
sequenceToAssign = sequenceToAssign.GetReversedSequence();
}
}
newSeq = new SequenceLine(sequenceToAssign, this);
newSeq.ActualSequenceInside = sequenceList[currentSourceIndex]; // keep reference to the original sequence
if (newSeq.ActualSequenceInside == highlightedSequence)
{
newSeq.SequenceItemsHighlight.Visibility = System.Windows.Visibility.Visible;
}
else
{
newSeq.SequenceItemsHighlight.Visibility = System.Windows.Visibility.Hidden;
}
newSeq.FontSize = FontSize;
if (sequencePropertiesList != null)
{
if (sequencePropertiesList[currentSourceIndex].IsAlignment)
{
newSeq.AlignStartIndex = 0;
newSeq.AlignmentLength = sequenceToAssign.Count;
}
else
{
newSeq.AlignStartIndex = sequencePropertiesList[currentSourceIndex].AlignPosition;
newSeq.AlignmentLength = sequencePropertiesList[currentSourceIndex].AlignmentLength;
}
newSeq.ReadAlignStartIndex = sequencePropertiesList[currentSourceIndex].ReadStartAlignPosition;
newSeq.IsComplemented = sequencePropertiesList[currentSourceIndex].IsComplemented;
newSeq.IsReversed = sequencePropertiesList[currentSourceIndex].IsReversed;
}
if (sequencePropertiesList != null && sequencePropertiesList[currentSourceIndex].IsAlignment)
{
// +1 for align start as we need to display 1 based index
newSeq.ToolTip = sequenceToAssign.ID + Environment.NewLine +
Properties.Resource.StartOffset + " : " + (sequencePropertiesList[currentSourceIndex].AlignPosition + 1) + Environment.NewLine +
Properties.Resource.EndOffset + " : " + sequencePropertiesList[currentSourceIndex].AlignmentLength;
}
else
{
newSeq.ToolTip = sequenceToAssign.ID;
}
Children.Add(newSeq);
newSeq.Measure(availableSize);
displayedSequences.Add(newSeq);
}
return(availableSize);
}