//--------------------------------------------------------------
#region Methods
//--------------------------------------------------------------
/// <summary>
/// When overridden in a derived class, is invoked whenever application code or internal
/// processes call <see cref="FrameworkElement.ApplyTemplate"/>.
/// </summary>
public override void OnApplyTemplate()
{
_horizontalMajorLinesRenderer = null;
_horizontalMinorLinesRenderer = null;
_verticalMajorLinesRenderer = null;
_verticalMinorLinesRenderer = null;
base.OnApplyTemplate();
var horizontalMajorLinesPath = GetTemplateChild("PART_HorizontalMajorLines") as Path;
var horizontalMinorLinesPath = GetTemplateChild("PART_HorizontalMinorLines") as Path;
var verticalMajorLinesPath = GetTemplateChild("PART_VerticalMajorLines") as Path;
var verticalMinorLinesPath = GetTemplateChild("PART_VerticalMinorLines") as Path;
if (horizontalMajorLinesPath != null)
{
_horizontalMajorLinesRenderer = new PathRenderer(horizontalMajorLinesPath);
}
if (horizontalMinorLinesPath != null)
{
_horizontalMinorLinesRenderer = new PathRenderer(horizontalMinorLinesPath);
}
if (verticalMajorLinesPath != null)
{
_verticalMajorLinesRenderer = new PathRenderer(verticalMajorLinesPath);
}
if (verticalMinorLinesPath != null)
{
_verticalMinorLinesRenderer = new PathRenderer(verticalMinorLinesPath);
}
Invalidate();
}
/// <inheritdoc/>
public override void OnApplyTemplate()
{
_lineRenderer = null;
_areaRenderer = null;
base.OnApplyTemplate();
_linePath = GetTemplateChild("PART_Line") as Path ?? new Path {
Style = LineStyle
};
_areaPath = GetTemplateChild("PART_Area") as Path ?? new Path {
Style = AreaStyle
};
_lineRenderer = new PathRenderer(_linePath);
_areaRenderer = new PathRenderer(_areaPath);
Invalidate();
}
/// <inheritdoc/>
public override void OnApplyTemplate()
{
_lineRenderer = null;
_areaRenderer = null;
base.OnApplyTemplate();
_linePath = GetTemplateChild("PART_Line") as Path ?? new Path { Style = LineStyle };
_areaPath = GetTemplateChild("PART_Area") as Path ?? new Path { Style = AreaStyle };
_lineRenderer = new PathRenderer(_linePath);
_areaRenderer = new PathRenderer(_areaPath);
Invalidate();
}
//--------------------------------------------------------------
#region Methods
//--------------------------------------------------------------
/// <summary>
/// When overridden in a derived class, is invoked whenever application code or internal
/// processes call <see cref="FrameworkElement.ApplyTemplate"/>.
/// </summary>
public override void OnApplyTemplate()
{
if (_canvas != null)
{
// Clean up previous canvas
foreach (TextBlock tickTextBlock in _tickLabels)
{
_canvas.Children.Remove(tickTextBlock);
_tickLabels.Clear();
}
_canvas.Children.Remove(_hitRectangle);
_hitRectangle = null;
_canvas = null;
}
_axisLine = null;
_majorTickRenderer = null;
_minorTickRenderer = null;
if (_titleContentControl != null)
{
_titleContentControl.SizeChanged -= OnTitleSizeChanged;
_titleContentControl = null;
}
base.OnApplyTemplate();
_canvas = GetTemplateChild("PART_Canvas") as Canvas;
_axisLine = GetTemplateChild("PART_AxisLine") as Line;
var majorTicksPath = GetTemplateChild("PART_MajorTicks") as Path;
var minorTicksPath = GetTemplateChild("PART_MinorTicks") as Path;
_titleContentControl = GetTemplateChild("PART_Title") as ContentControl;
if (_canvas != null)
{
// Create an invisible rectangle that is used only for hit-testing.
_hitRectangle = new Rectangle { Fill = new SolidColorBrush(Colors.Transparent) };
#if SILVERLIGHT
Canvas.SetZIndex(_hitRectangle, -1);
#else
Panel.SetZIndex(_hitRectangle, -1);
#endif
_canvas.Children.Add(_hitRectangle);
}
if (majorTicksPath != null)
_majorTickRenderer = new PathRenderer(majorTicksPath);
if (minorTicksPath != null)
_minorTickRenderer = new PathRenderer(minorTicksPath);
if (_titleContentControl != null)
_titleContentControl.SizeChanged += OnTitleSizeChanged;
Invalidate();
}
/// <summary>
/// Creates a tick on the axis.
/// </summary>
/// <param name="value">The value at which the ticks should be drawn.</param>
/// <param name="tickLength">Length of the tick.</param>
/// <param name="renderContext">The render context.</param>
/// <returns>The bounding rectangle of the tick.</returns>
private Rect AddTick(double value, double tickLength, PathRenderer.Context renderContext)
{
// Determine start and end point of the tick.
double position = GetPosition(value);
Point start;
Point end;
bool oneSidedTicks = OneSidedTicks;
if (_isXAxis)
{
if (LabelsAboveAxis)
{
start = oneSidedTicks ? new Point(position, _originY) : new Point(position, _originY + 0.5 * tickLength);
end = new Point(start.X, start.Y - tickLength);
}
else
{
start = oneSidedTicks ? new Point(position, _originY) : new Point(position, _originY - 0.5 * tickLength);
end = new Point(start.X, start.Y + tickLength);
}
}
else
{
if (LabelsAboveAxis)
{
start = oneSidedTicks ? new Point(_originX, position) : new Point(_originX + 0.5 * tickLength, position);
end = new Point(start.X - tickLength, start.Y);
}
else
{
start = oneSidedTicks ? new Point(_originX, position) : new Point(_originX - 0.5 * tickLength, position);
end = new Point(start.X + tickLength, start.Y);
}
}
renderContext.DrawLine(start, end);
_internalTitleOffset = Math.Max(_internalTitleOffset, tickLength);
// Estimate bounds
Rect bounds;
if (IsXAxis)
{
if (LabelsAboveAxis)
bounds = new Rect(end.X - 0.5, end.Y, 1, tickLength);
else
bounds = new Rect(start.X - 0.5, start.Y, 1, tickLength);
}
else
{
if (LabelsAboveAxis)
bounds = new Rect(end.X, end.Y - 0.5, tickLength, 1);
else
bounds = new Rect(start.X, start.Y - 0.5, tickLength, 1);
}
return bounds;
}
/// <inheritdoc/>
protected override UIElement OnGetLegendSymbol()
{
var grid = new Grid
{
MinWidth = 16,
MinHeight = 16,
};
if (HorizontalMajorLineStyle != null)
{
var horizontalMajorLines = new Path {
Width = 16, Height = 16, Stretch = Stretch.Uniform
};
horizontalMajorLines.SetBinding(StyleProperty, new Binding("HorizontalMajorLineStyle")
{
Source = this
});
using (var renderContext = new PathRenderer(horizontalMajorLines).Open())
{
renderContext.DrawLine(new Point(0, 0), new Point(16, 0));
renderContext.DrawLine(new Point(0, 8), new Point(16, 8));
renderContext.DrawLine(new Point(0, 16), new Point(16, 16));
}
grid.Children.Add(horizontalMajorLines);
}
if (HorizontalMinorLineStyle != null)
{
var horizontalMinorLines = new Path {
Width = 16, Height = 16, Stretch = Stretch.Uniform
};
horizontalMinorLines.SetBinding(StyleProperty, new Binding("HorizontalMinorLineStyle")
{
Source = this
});
using (var renderContext = new PathRenderer(horizontalMinorLines).Open())
{
renderContext.DrawLine(new Point(0, 4), new Point(16, 4));
renderContext.DrawLine(new Point(0, 12), new Point(16, 12));
}
grid.Children.Add(horizontalMinorLines);
}
if (VerticalMajorLineStyle != null)
{
var verticalMajorLines = new Path {
Width = 16, Height = 16, Stretch = Stretch.Uniform
};
verticalMajorLines.SetBinding(StyleProperty, new Binding("VerticalMajorLineStyle")
{
Source = this
});
using (var renderContext = new PathRenderer(verticalMajorLines).Open())
{
renderContext.DrawLine(new Point(0, 0), new Point(0, 16));
renderContext.DrawLine(new Point(8, 0), new Point(8, 16));
renderContext.DrawLine(new Point(16, 0), new Point(16, 16));
}
grid.Children.Add(verticalMajorLines);
}
if (VerticalMinorLineStyle != null)
{
var verticalMinorLines = new Path {
Width = 16, Height = 16, Stretch = Stretch.Uniform
};
verticalMinorLines.SetBinding(StyleProperty, new Binding("VerticalMinorLineStyle")
{
Source = this
});
using (var renderContext = new PathRenderer(verticalMinorLines).Open())
{
renderContext.DrawLine(new Point(4, 0), new Point(4, 16));
renderContext.DrawLine(new Point(12, 0), new Point(12, 16));
}
grid.Children.Add(verticalMinorLines);
}
return(grid);
}
/// <inheritdoc/>
protected override UIElement OnGetLegendSymbol()
{
var grid = new Grid
{
MinWidth = 16,
MinHeight = 16,
};
if (HorizontalMajorLineStyle != null)
{
var horizontalMajorLines = new Path { Width = 16, Height = 16, Stretch = Stretch.Uniform };
horizontalMajorLines.SetBinding(StyleProperty, new Binding("HorizontalMajorLineStyle") { Source = this });
using (var renderContext = new PathRenderer(horizontalMajorLines).Open())
{
renderContext.DrawLine(new Point(0, 0), new Point(16, 0));
renderContext.DrawLine(new Point(0, 8), new Point(16, 8));
renderContext.DrawLine(new Point(0, 16), new Point(16, 16));
}
grid.Children.Add(horizontalMajorLines);
}
if (HorizontalMinorLineStyle != null)
{
var horizontalMinorLines = new Path { Width = 16, Height = 16, Stretch = Stretch.Uniform };
horizontalMinorLines.SetBinding(StyleProperty, new Binding("HorizontalMinorLineStyle") { Source = this });
using (var renderContext = new PathRenderer(horizontalMinorLines).Open())
{
renderContext.DrawLine(new Point(0, 4), new Point(16, 4));
renderContext.DrawLine(new Point(0, 12), new Point(16, 12));
}
grid.Children.Add(horizontalMinorLines);
}
if (VerticalMajorLineStyle != null)
{
var verticalMajorLines = new Path { Width = 16, Height = 16, Stretch = Stretch.Uniform };
verticalMajorLines.SetBinding(StyleProperty, new Binding("VerticalMajorLineStyle") { Source = this });
using (var renderContext = new PathRenderer(verticalMajorLines).Open())
{
renderContext.DrawLine(new Point(0, 0), new Point(0, 16));
renderContext.DrawLine(new Point(8, 0), new Point(8, 16));
renderContext.DrawLine(new Point(16, 0), new Point(16, 16));
}
grid.Children.Add(verticalMajorLines);
}
if (VerticalMinorLineStyle != null)
{
var verticalMinorLines = new Path { Width = 16, Height = 16, Stretch = Stretch.Uniform };
verticalMinorLines.SetBinding(StyleProperty, new Binding("VerticalMinorLineStyle") { Source = this });
using (var renderContext = new PathRenderer(verticalMinorLines).Open())
{
renderContext.DrawLine(new Point(4, 0), new Point(4, 16));
renderContext.DrawLine(new Point(12, 0), new Point(12, 16));
}
grid.Children.Add(verticalMinorLines);
}
return grid;
}
//--------------------------------------------------------------
/// <summary>
/// When overridden in a derived class, is invoked whenever application code or internal
/// processes call <see cref="FrameworkElement.ApplyTemplate"/>.
/// </summary>
public override void OnApplyTemplate()
{
_horizontalMajorLinesRenderer = null;
_horizontalMinorLinesRenderer = null;
_verticalMajorLinesRenderer = null;
_verticalMinorLinesRenderer = null;
base.OnApplyTemplate();
var horizontalMajorLinesPath = GetTemplateChild("PART_HorizontalMajorLines") as Path;
var horizontalMinorLinesPath = GetTemplateChild("PART_HorizontalMinorLines") as Path;
var verticalMajorLinesPath = GetTemplateChild("PART_VerticalMajorLines") as Path;
var verticalMinorLinesPath = GetTemplateChild("PART_VerticalMinorLines") as Path;
if (horizontalMajorLinesPath != null)
_horizontalMajorLinesRenderer = new PathRenderer(horizontalMajorLinesPath);
if (horizontalMinorLinesPath != null)
_horizontalMinorLinesRenderer = new PathRenderer(horizontalMinorLinesPath);
if (verticalMajorLinesPath != null)
_verticalMajorLinesRenderer = new PathRenderer(verticalMajorLinesPath);
if (verticalMinorLinesPath != null)
_verticalMinorLinesRenderer = new PathRenderer(verticalMinorLinesPath);
Invalidate();
}