private void Canvas_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
PlotCanvas.ReleaseMouseCapture();
_isMouseCaptured = false;
Cursor = Cursors.Arrow;
_mousePosition = e.GetPosition(PlotCanvas);
}
public PlotSample()
{
plotCanvas = new PlotCanvas ();
// Set defaults for the sample plotCanvas
plotCanvas.AutoScaleAutoGeneratedAxes = false;
plotCanvas.AutoScaleTitle = false;
plotCanvas.Legend = null;
plotCanvas.Canvas.Name = "plotCanvas";
plotCanvas.Title = "";
plotCanvas.TitleFont = Font.SystemSansSerifFont.WithSize (14);
}
public PlotSample()
{
plotCanvas = new PlotCanvas ();
// Set defaults for the sample plotCanvas
plotCanvas.AutoScaleAutoGeneratedAxes = false;
plotCanvas.AutoScaleTitle = false;
plotCanvas.Legend = null;
plotCanvas.Canvas.Name = "plotCanvas";
plotCanvas.Title = "";
plotCanvas.TitleFont = Font.FromName ("Ubuntu 14");
}
public PlotSample()
{
plotCanvas = new PlotCanvas();
// Set defaults for the sample plotCanvas
plotCanvas.AutoScaleAutoGeneratedAxes = false;
plotCanvas.AutoScaleTitle = false;
plotCanvas.Legend = null;
plotCanvas.Canvas.Name = "plotCanvas";
plotCanvas.Title = "";
plotCanvas.TitleFont = Font.SystemSansSerifFont.WithSize(14);
}
void HandleSamplesTreeSelectionChanged(object sender, EventArgs e)
{
if (samplesTree.SelectedRow != null)
{
// Remove currentInteraction if there is one
if (currentInteraction != null)
{
// must already have a valid plot sample with the interaction added to it
PlotSample ps = (PlotSample)currentWidget;
PlotCanvas pc = ps.PlotCanvas;
// Remove current interaction from PlotCanvas
pc.RemoveInteraction(currentInteraction);
currentInteraction = null;
}
// get newSample from selected row
TreePosition viewRow = samplesTree.SelectedRow;
TreeNavigator storeRow = store.GetNavigatorAt(viewRow);
Sample newSample = storeRow.GetValue(sampleCol);
TreePosition newCategory = newSample.Category;
if (newCategory == interactionCategory)
{
// only allow interaction if there is already a plotSample
if (currentCategory == plotCategory)
{
PlotSample ps = (PlotSample)currentWidget;
PlotCanvas pc = ps.PlotCanvas;
// Add new interaction to existing PlotCanvas
currentInteraction = newSample.Interaction;
pc.AddInteraction(currentInteraction);
}
}
else
{
// plotCategory or testCategory
currentCategory = newCategory;
if (currentWidget != null)
{
sampleBox.Remove(currentWidget);
}
if (newSample.Type != null)
{
currentWidget = (Widget)Activator.CreateInstance(newSample.Type);
sampleBox.PackStart(currentWidget, true);
Dump(currentWidget, 0);
}
}
}
}
private void VisualizeItemsSource()
{
//we may change the size of the plot depending on number of elements we have to draw.
//Dont want to fire the size-changed event and redraw stuff, so unhook event handler
PlotCanvas.SizeChanged -= Canvas_SizeChanged;
String[] currHighlight = null;
if (PlotCanvas.Children.Count > 0)
{
currHighlight = (from tl in PlotCanvas.Children
where
tl is TimeLine && ((TimeLine)tl).ItemsSource.IsHighlighted
select((TimeLine)tl).ItemsSource.Label).ToArray();
}
//remove all existing stuff on the plot canvas
PlotCanvas.Children.Clear();
//if the elements can be more than the minimum specified height and still fit into the
//viewport of scrollviewer, do that. Else grow the plotcanvas height to (elementCount * minimumHeight)
PlotCanvas.Height = PlotScrollViewer.ActualHeight;
double totalHeight = PlotCanvas.Height;
double tlHeight = 0;
if (_itemsSource != null)
{
tlHeight = totalHeight / _itemsSource.Count();
}
if (tlHeight < MINIMUM_TIMELINE_HEIGHT)
{
tlHeight = MINIMUM_TIMELINE_HEIGHT;
PlotCanvas.Height = _itemsSource == null?0: MINIMUM_TIMELINE_HEIGHT *_itemsSource.Count();
}
//Draw Axis and the background shading inside plotcanvas for axis-related stuff (weekends, etc.)
DrawAxis();
//Create a TimeLine for each item in source, and position it on the plot canvas one below the other.
double i = 0;
if (_itemsSource != null)
{
foreach (TimeLineData d in _itemsSource)
{
if (currHighlight != null && currHighlight.Contains(d.Label))
{
d.IsHighlighted = true;
}
var tl = new TimeLine
{
TimeLineStart = _startDate,
TimeLineEnd = _endDate,
Height = tlHeight,
Width = PlotCanvas.ActualWidth,
ItemsSource = d
};
tl.DetailRequested += TlDetailRequested;
if (IsSingleSelect)
{
tl.Selected += TlSelected;
}
tl.GlobalDeselectRequested += TlGlobalDeselectRequested;
Canvas.SetLeft(tl, 0);
//Position the TimeLine below the last one.
Canvas.SetTop(tl, i * tlHeight);
PlotCanvas.Children.Add(tl);
i++;
}
}
PlotCanvas.UpdateLayout();
//We are done. Let the event handler play again.
PlotCanvas.SizeChanged += Canvas_SizeChanged;
}
private void Canvas_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
_isMouseCaptured = true;
PlotCanvas.CaptureMouse();
Cursor = Cursors.Hand;
}
