private void CreateUIRepresentation()
{
if (Plotter == null)
{
return;
}
if (DataSource == null)
{
return;
}
drawnPaths.Clear();
DataSourceEnvironment environment = CreateEnvironment();
var points = DataSource.GetPoints(environment);
var indexedPoints = IndexWrapper.Generate(points);
// do nothing if there is nothing to draw
if (!points.Any())
{
return;
}
transformWhileCreateUI = Plotter.Viewport.Transform;
int globalMinIndex;
int globalMaxIndex;
CreateAndAddPath(indexedPoints, out globalMinIndex, out globalMaxIndex, transformWhileCreateUI);
indexRange = new Range <int>(globalMinIndex, globalMaxIndex);
ViewportPanel.SetViewportBounds(canvas, Plotter.Viewport.Visible);
// switching off content bounds calculation for children of ViewportHostPanel.
panel.BeginBatchAdd();
if (canvas.Parent == null)
{
panel.Children.Add(canvas);
}
if (panel.Plotter == null)
{
Plotter.Dispatcher.BeginInvoke(() =>
{
if (panel.Plotter == null && Plotter != null)
{
Plotter.Children.Add(panel);
}
});
}
DataRect bounds = DataRect.Empty;
if (environment.ContentBounds != null)
{
bounds = environment.ContentBounds.Value;
}
else
{
// todo is this necessary?
bounds = points.GetBounds();
}
Viewport2D.SetContentBounds(this, bounds);
}
/// <summary>
/// Initializes a new instance of the <see cref="PivotSegmentEditor"/> class.
/// </summary>
public PivotSegmentEditor()
{
ResourceDictionary resources = new ResourceDictionary
{
Source = new Uri("/DynamicDataDisplay;component/Charts/Shapes/PivotSegmentEditor.xaml", UriKind.Relative)
};
panel.BeginBatchAdd();
ControlTemplate segmentTemplate = (ControlTemplate)resources["segment"];
segment = (Segment)segmentTemplate.LoadContent();
segment.DataContext = this;
ControlTemplate startThumbTemplate = (ControlTemplate)resources["leftThumb"];
startThumb = (DraggablePoint)startThumbTemplate.LoadContent();
startThumb.DataContext = this;
ControlTemplate endThumbTemplate = (ControlTemplate)resources["rightThumb"];
endThumb = (DraggablePoint)endThumbTemplate.LoadContent();
endThumb.DataContext = this;
ControlTemplate leftRayTemplate = (ControlTemplate)resources["leftRay"];
leftRay = (ViewportRay)leftRayTemplate.LoadContent();
leftRay.DataContext = this;
ControlTemplate rightRayTemplate = (ControlTemplate)resources["rightRay"];
rightRay = (ViewportRay)rightRayTemplate.LoadContent();
rightRay.DataContext = this;
ControlTemplate mTextTemplate = (ControlTemplate)resources["mText"];
TextBlock mText = (TextBlock)mTextTemplate.LoadContent();
panel.Children.Add(mText);
mText.DataContext = this;
ControlTemplate leftPointGridTemplate = (ControlTemplate)resources["leftPointGrid"];
Panel leftPointGrid = (Panel)leftPointGridTemplate.LoadContent();
panel.Children.Add(leftPointGrid);
leftPointGrid.DataContext = this;
ControlTemplate rightPointGridTemplate = (ControlTemplate)resources["rightPointGrid"];
Panel rightPointGrid = (Panel)rightPointGridTemplate.LoadContent();
panel.Children.Add(rightPointGrid);
rightPointGrid.DataContext = this;
ControlTemplate leftTextTemplate = (ControlTemplate)resources["leftText"];
FrameworkElement leftBorder = (FrameworkElement)leftTextTemplate.LoadContent();
panel.Children.Add(leftBorder);
leftBorder.DataContext = this;
ControlTemplate rightTextTemplate = (ControlTemplate)resources["rightText"];
FrameworkElement rightBorder = (FrameworkElement)rightTextTemplate.LoadContent();
panel.Children.Add(rightBorder);
rightBorder.DataContext = this;
}