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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
namespace Tango.Visuals
{
/// <summary>
/// Interaction logic for YAxisDoubles.xaml
/// </summary>
public partial class YAxisDoubles : UserControl
{
/// <summary>
/// Initializes a new instance of the <see cref="YAxisDoubles"/> class.
/// </summary>
public YAxisDoubles()
{
InitializeComponent();
this.FocusVisualStyle = null;
this.Focusable = false;
this.Loaded += YAxisDoubles_Loaded;
}
/// <summary>
/// Handles the Loaded event of the YAxisDoubles control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="RoutedEventArgs"/> instance containing the event data.</param>
private void YAxisDoubles_Loaded(object sender, RoutedEventArgs e)
{
DrawTicks();
}
/// <summary>
/// Gets or sets the number of ticks.
/// </summary>
public int Ticks
{
get { return (int)GetValue(TicksProperty); }
set { SetValue(TicksProperty, value); }
}
public static readonly DependencyProperty TicksProperty =
DependencyProperty.Register("Ticks", typeof(int), typeof(YAxisDoubles), new PropertyMetadata(8, (d, e) => (d as YAxisDoubles).DrawTicks()));
/// <summary>
/// Gets or sets the minimum value.
/// </summary>
public double Minimum
{
get { return (double)GetValue(MinimumProperty); }
set { SetValue(MinimumProperty, value); }
}
public static readonly DependencyProperty MinimumProperty =
DependencyProperty.Register("Minimum", typeof(double), typeof(YAxisDoubles), new PropertyMetadata(0.0, (d, e) => (d as YAxisDoubles).DrawTicks()));
/// <summary>
/// Gets or sets the maximum value.
/// </summary>
public double Maximum
{
get { return (double)GetValue(MaximumProperty); }
set { SetValue(MaximumProperty, value); }
}
public static readonly DependencyProperty MaximumProperty =
DependencyProperty.Register("Maximum", typeof(double), typeof(YAxisDoubles), new PropertyMetadata(100.0, (d, e) => (d as YAxisDoubles).DrawTicks()));
/// <summary>
/// Gets or sets the string format.
/// </summary>
public String StringFormat
{
get { return (String)GetValue(StringFormatProperty); }
set { SetValue(StringFormatProperty, value); }
}
public static readonly DependencyProperty StringFormatProperty =
DependencyProperty.Register("StringFormat", typeof(String), typeof(YAxisDoubles), new PropertyMetadata(null, (d, e) => (d as YAxisDoubles).DrawTicks()));
/// <summary>
/// Gets or sets the label alignment.
/// </summary>
public HorizontalAlignment LabelAlignment
{
get { return (HorizontalAlignment)GetValue(LabelAlignmentProperty); }
set { SetValue(LabelAlignmentProperty, value); }
}
public static readonly DependencyProperty LabelAlignmentProperty =
DependencyProperty.Register("LabelAlignment", typeof(HorizontalAlignment), typeof(YAxisDoubles), new PropertyMetadata(HorizontalAlignment.Right, (d, e) => (d as YAxisDoubles).DrawTicks()));
/// <summary>
/// Gets or sets the label template.
/// </summary>
public DataTemplate LabelTemplate
{
get { return (DataTemplate)GetValue(LabelTemplateProperty); }
set { SetValue(LabelTemplateProperty, value); }
}
public static readonly DependencyProperty LabelTemplateProperty =
DependencyProperty.Register("LabelTemplate", typeof(DataTemplate), typeof(YAxisDoubles), new PropertyMetadata(null));
/// <summary>
/// Draws the labels.
/// </summary>
private void DrawTicks()
{
grid.RowDefinitions.Clear();
grid.Children.Clear();
grid.ClipToBounds = false;
var steps = Enumerable.Range(0, Ticks)
.Select(i => Minimum + (Maximum - Minimum) * ((double)i / (Ticks - 1))).ToList();
steps.Reverse();
for (int i = 0; i < Ticks; i++)
{
if (i == Ticks - 1)
{
var container = AddLabel(steps[i].ToString(StringFormat != null ? StringFormat : "0.0"), i);
container.VerticalAlignment = System.Windows.VerticalAlignment.Bottom;
grid.Children.Add(container);
container.Loaded += (x, y) =>
{
container.Margin = new Thickness(0, 0, 0, (container.ActualHeight / 2) * -1);
};
}
else
{
RowDefinition row = new RowDefinition();
row.Height = new GridLength(1, GridUnitType.Star);
grid.RowDefinitions.Add(row);
var container = AddLabel(steps[i].ToString(StringFormat != null ? StringFormat : "0.0"), i);
grid.Children.Add(container);
container.Loaded += (x, y) =>
{
container.Margin = new Thickness(0, (container.ActualHeight / 2) * -1, 0, 0);
};
}
}
}
/// <summary>
/// Adds the label.
/// </summary>
/// <param name="text">The text.</param>
/// <param name="index">The index.</param>
/// <returns></returns>
private ContentControl AddLabel(String text, int index)
{
ContentControl label = new ContentControl();
label.Content = text;
label.ContentTemplate = LabelTemplate;
label.VerticalAlignment = System.Windows.VerticalAlignment.Top;
label.HorizontalAlignment = LabelAlignment;
Grid.SetRow(label, index);
return label;
}
}
}
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