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using RealTimeGraphEx.Components.ComponentsItems;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Diagnostics;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Media.Animation;
namespace RealTimeGraphEx.Components
{
public class YAxisScroll : ComponentBase
{
private Grid innerGrid;
#region Properties
public int Interval
{
get { return (int)GetValue(IntervalProperty); }
set { SetValue(IntervalProperty, value); }
}
public static readonly DependencyProperty IntervalProperty =
DependencyProperty.Register("Interval", typeof(int), typeof(YAxisScroll), new PropertyMetadata(4));
public double VerticalOffset
{
get { return (double)GetValue(VerticalOffsetProperty); }
set { SetValue(VerticalOffsetProperty, value); }
}
public static readonly DependencyProperty VerticalOffsetProperty =
DependencyProperty.Register("VerticalOffset", typeof(double), typeof(YAxisScroll), new PropertyMetadata(0.0));
public double HorizontalOffset
{
get { return (double)GetValue(HorizontalOffsetProperty); }
set { SetValue(HorizontalOffsetProperty, value); }
}
public static readonly DependencyProperty HorizontalOffsetProperty =
DependencyProperty.Register("HorizontalOffset", typeof(double), typeof(YAxisScroll), new PropertyMetadata(0.0));
public DataTemplate LabelTemplate
{
get { return (DataTemplate)GetValue(LabelTemplateProperty); }
set { SetValue(LabelTemplateProperty, value); }
}
public static readonly DependencyProperty LabelTemplateProperty =
DependencyProperty.Register("LabelTemplate", typeof(DataTemplate), typeof(YAxisScroll), new PropertyMetadata(null));
public ObservableCollection<YAxisLabel> Labels
{
get { return (ObservableCollection<YAxisLabel>)GetValue(LabelsProperty); }
set { SetValue(LabelsProperty, value); }
}
public static readonly DependencyProperty LabelsProperty =
DependencyProperty.Register("Labels", typeof(ObservableCollection<YAxisLabel>), typeof(YAxisScroll), new PropertyMetadata(null));
public String StringFormat
{
get { return (String)GetValue(StringFormatProperty); }
set { SetValue(StringFormatProperty, value); }
}
public static readonly DependencyProperty StringFormatProperty =
DependencyProperty.Register("StringFormat", typeof(String), typeof(YAxisScroll), new PropertyMetadata("#0.0"));
#endregion
public YAxisScroll()
{
Labels = new ObservableCollection<YAxisLabel>();
Location = ComponentLocationEnum.Left;
this.SizeChanged += (x, y) => { Render(Graph); };
}
public override void Render(RealTimeGraphExBase graph, bool animate = false)
{
if (graph == null) return;
if (Interval < 2) return;
if (innerGrid == null)
{
innerGrid = new Grid();
}
var grid = innerGrid;
double animationTime = animate ? 0.2 : 0;
DoubleAnimation heightAnimation = new DoubleAnimation() { Duration = new Duration(TimeSpan.FromSeconds(animationTime)) };
heightAnimation.To = double.IsNaN(Graph.gridLinesAndImageWrapperGrid.Height) ? Graph.gridLinesAndImageWrapperGrid.ActualHeight : Graph.gridLinesAndImageWrapperGrid.Height;
if (!double.IsNaN(grid.Height))
{
grid.BeginAnimation(Grid.HeightProperty, heightAnimation);
}
else
{
grid.Height = Graph.gridLinesAndImageWrapperGrid.ActualHeight;
}
grid.VerticalAlignment = System.Windows.VerticalAlignment.Top;
ThicknessAnimation marginAni = new ThicknessAnimation() { Duration = new Duration(TimeSpan.FromSeconds(animationTime)) };
marginAni.To = new Thickness(0, Graph.gridLinesAndImageWrapperGrid.Margin.Top, 0, 0);
if (!double.IsNaN(grid.Height))
{
grid.BeginAnimation(MarginProperty, marginAni);
}
else
{
grid.Margin = new Thickness(0, Graph.gridLinesAndImageWrapperGrid.Margin.Top, 0, 0);
}
double height = double.IsNaN(Graph.gridLinesAndImageWrapperGrid.Height) ? Graph.gridLinesAndImageWrapperGrid.ActualHeight : Graph.gridLinesAndImageWrapperGrid.Height;
int interval = (int)Math.Round((Interval * (((height * 100) / Graph.gridMain.ActualHeight) / 100)), MidpointRounding.ToEven);
this.Content = grid;
this.ClipToBounds = true;
grid.RowDefinitions.Clear();
grid.Children.Clear();
if (Labels != null && Labels.Count > 0)
{
for (int i = 0; i < Labels.Count - 1; i++)
{
RowDefinition rowLabels = new RowDefinition();
rowLabels.Height = new GridLength(1, GridUnitType.Star);
grid.RowDefinitions.Add(rowLabels);
AddLabel(Labels[i], graph, grid, i, System.Windows.VerticalAlignment.Top);
}
AddLabel(Labels.Last(), graph, grid, interval - 1, System.Windows.VerticalAlignment.Bottom);
}
else
{
for (int i = 0; i < interval; i++)
{
RowDefinition rowLabels = new RowDefinition();
rowLabels.Height = new GridLength(1, GridUnitType.Star);
grid.RowDefinitions.Add(rowLabels);
}
for (int i = 0; i < interval; i++)
{
double value = graph.Maximum - (i * ((graph.Maximum - graph.Minimum) / interval));
AddLabel(value.ToString(StringFormat), graph, grid, i, System.Windows.VerticalAlignment.Top);
}
AddLabel(graph.Minimum.ToString(StringFormat), graph, grid, interval - 1, System.Windows.VerticalAlignment.Bottom);
}
grid.InvalidateArrange();
grid.InvalidateMeasure();
grid.UpdateLayout();
grid.InvalidateVisual();
}
protected void AddLabel(Object content, RealTimeGraphExBase graph, Grid grid, int row, VerticalAlignment align)
{
//Add Labels
YAxisLabel label = new YAxisLabel();
label.HorizontalAlignment = System.Windows.HorizontalAlignment.Center;
label.VerticalAlignment = align;
label.Content = content;
if (row > 0 || VerticalOffset > 0)
{
label.Margin = new Thickness(HorizontalOffset, VerticalOffset, 0, 0);
}
Grid.SetRow(label, row);
grid.Children.Add(label);
if (LabelTemplate != null)
{
label.ContentTemplate = LabelTemplate;
}
}
protected override void OnGraphZoomComplete(Point transformOrigin, double scaleX, double scaleY)
{
Render(Graph, true);
}
protected override void OnGraphMinMaxChanged()
{
Render(Graph);
}
protected override void OnGraphPanningComplete(Point translate)
{
if (innerGrid != null)
{
var renderBounds = Graph.GetGraphRenderBounds();
innerGrid.BeginAnimation(MarginProperty, null);
innerGrid.Margin = new Thickness(0, Graph.gridLinesAndImageWrapperGrid.Margin.Top, 0, 0);
}
}
}
}
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