ucNode.xaml.cs
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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 RoboforkApp
{
/// <summary>
/// Interaction logic for ucNode.xaml
/// </summary>
public partial class ucNode : UserControl
{
public ucNode()
{
InitializeComponent();
}
private bool _isFocus = false;
private bool _isDragDelta = false;
public static readonly DependencyProperty buttTextProperty =
DependencyProperty.Register("txtNode", typeof(String),
typeof(ucNode), new FrameworkPropertyMetadata(string.Empty));
public static readonly DependencyProperty btnWidthProperty =
DependencyProperty.Register("btnWidth", typeof(double),
typeof(ucNode), new FrameworkPropertyMetadata(10.0));
public static readonly DependencyProperty btnHeightProperty =
DependencyProperty.Register("btnHeight", typeof(double),
typeof(ucNode), new FrameworkPropertyMetadata(10.0));
public static readonly DependencyProperty coordStringProperty =
DependencyProperty.Register("coordString", typeof(String),
typeof(ucNode), new FrameworkPropertyMetadata(string.Empty));
public static readonly DependencyProperty fillColorProperty =
DependencyProperty.Register("fillColor", typeof(String),
typeof(ucNode), new FrameworkPropertyMetadata("Blue"));
public String txtNode
{
get { return GetValue(buttTextProperty).ToString(); }
set { SetValue(buttTextProperty, value); }
}
public double btnWidth
{
get { return (double)GetValue(btnWidthProperty); }
set { SetValue(btnWidthProperty, value); }
}
public double btnHeight
{
get { return (double)GetValue(btnHeightProperty); }
set { SetValue(btnHeightProperty, value); }
}
public String coordString
{
get { return GetValue(coordStringProperty).ToString(); }
set { SetValue(coordStringProperty, value); }
}
public String fillColor
{
get { return GetValue(fillColorProperty).ToString(); }
set { SetValue(fillColorProperty, value); }
}
public bool IsFocus
{
get { return _isFocus; }
set { _isFocus = value; }
}
public bool IsDragDelta
{
get { return _isDragDelta; }
set { _isDragDelta = value; }
}
private void btnHello_MouseDown(object sender, MouseButtonEventArgs e)
{
_isFocus = true;
}
private void btnHello_MouseUp(object sender, MouseButtonEventArgs e)
{
}
private void btnHello_MouseMove(object sender, MouseEventArgs e)
{
}
private void tmbThumb_DragDelta(object sender, System.Windows.Controls.Primitives.DragDeltaEventArgs e)
{
if (_isDragDelta)
{
double left = Canvas.GetLeft(this);
double top = Canvas.GetTop(this);
if (0 < (top + e.VerticalChange)
&& (top + e.VerticalChange) < (1000 - btnHeight))
{
Canvas.SetTop(this, top + e.VerticalChange);
}
if (0 < (left + e.HorizontalChange)
&& (left + e.HorizontalChange) < (1000 - btnWidth))
{
Canvas.SetLeft(this, left + e.HorizontalChange);
}
DesignerCanvas.DragDeltaFlag = true;
UpdateCoordString(left, top);
}
}
private void UpdateCoordString(double left, double top)
{
coordString = "(" + Math.Round((left + btnWidth / 2), 2) + "," + Math.Round((top + btnHeight / 2), 2) + ")";
}
private void tmbThumb_DragCompleted(object sender, System.Windows.Controls.Primitives.DragCompletedEventArgs e)
{
coordString = String.Empty;
}
private void tmbThumb_MouseDoubleClick(object sender, MouseButtonEventArgs e)
{
if (_isDragDelta)
{
DesignerCanvas.EditNodeFlag = true;
}
}
}
}