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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;
using Tango.SharedUI;
namespace Tango.SharedUI.Editors
{
/// <summary>
/// Represents a simple numeric up down editor.
/// </summary>
public partial class ParameterItemNumericUpDownEditor : ParameterItemEditor
{
#region Constructors
/// <summary>
/// Initializes a new instance of the <see cref="ParameterItemNumericUpDownEditor"/> class.
/// </summary>
public ParameterItemNumericUpDownEditor()
{
InitializeComponent();
this.Loaded += ParameterItemNumericUpDownEditor_Loaded;
}
#endregion
#region Properties
/// <summary>
/// Gets or sets the value.
/// </summary>
public double Value
{
get { return (double)GetValue(ValueProperty); }
set { SetValue(ValueProperty, value); }
}
public static readonly DependencyProperty ValueProperty =
DependencyProperty.Register("Value", typeof(double), typeof(ParameterItemNumericUpDownEditor), new PropertyMetadata(0.0, null, (d, value) => { return (d as ParameterItemNumericUpDownEditor).OnCoerceValue((double)value); }));
/// <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(ParameterItemNumericUpDownEditor), new PropertyMetadata(0.0));
/// <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(ParameterItemNumericUpDownEditor), new PropertyMetadata(100.0));
/// <summary>
/// Gets or sets the tick frequency for the up/down buttons.
/// </summary>
public double Tick
{
get { return (double)GetValue(TickProperty); }
set { SetValue(TickProperty, value); }
}
public static readonly DependencyProperty TickProperty =
DependencyProperty.Register("Tick", typeof(double), typeof(ParameterItemNumericUpDownEditor), new PropertyMetadata(1.0));
/// <summary>
/// Gets or sets the value display format.
/// </summary>
public String Format
{
get { return (String)GetValue(FormatProperty); }
set { SetValue(FormatProperty, value); }
}
public static readonly DependencyProperty FormatProperty =
DependencyProperty.Register("Format", typeof(String), typeof(ParameterItemNumericUpDownEditor), new PropertyMetadata("0.0"));
/// <summary>
/// Gets or sets a value indicating whether the value is editable through keyboard.
/// </summary>
public bool IsReadOnly
{
get { return (bool)GetValue(IsReadOnlyProperty); }
set { SetValue(IsReadOnlyProperty, value); }
}
public static readonly DependencyProperty IsReadOnlyProperty =
DependencyProperty.Register("IsReadOnly", typeof(bool), typeof(ParameterItemNumericUpDownEditor), new PropertyMetadata(false));
#endregion
#region Virtual Methods
/// <summary>
/// Invoked before the value has changed.
/// </summary>
/// <param name="value">The value.</param>
/// <returns></returns>
protected virtual object OnCoerceValue(double value)
{
if (value > Maximum) return Maximum;
if (value < Minimum) return Minimum;
return value;
}
#endregion
#region Event Handlers
/// <summary>
/// Handles the Click event of the btnUp 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 btnUp_Click(object sender, RoutedEventArgs e)
{
Value += Tick;
}
/// <summary>
/// Handles the Click event of the btnDown 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 btnDown_Click(object sender, RoutedEventArgs e)
{
Value -= Tick;
}
/// <summary>
/// Handles the KeyDown event of the txtValue control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="KeyEventArgs"/> instance containing the event data.</param>
private void txtValue_KeyDown(object sender, KeyEventArgs e)
{
if (e.Key == Key.Enter || e.Key == Key.Escape)
{
BindingOperations.GetBindingExpressionBase((TextBox)txtValue, TextBox.TextProperty).UpdateSource();
}
}
/// <summary>
/// Handles the Loaded event of the ParameterItemNumericUpDownEditor 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 ParameterItemNumericUpDownEditor_Loaded(object sender, RoutedEventArgs e)
{
if (ParameterItem != null)
{
Minimum = Convert.ToDouble(ParameterItem.Minimum);
Maximum = Convert.ToDouble(ParameterItem.Maximum);
this.Bind(ValueProperty, ParameterItem, Tango.Core.ParameterItem.ValueProperty, BindingMode.TwoWay);
}
}
#endregion
}
}
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