public void SetCommentObject(StickyNote comment, object parent)
{
if (null != m_sticky)
{
// Remove event handler before changing this value
m_sticky.PropertyChanged -= this.StickyNote_PropertyChanged;
}
if (null != m_basic)
{
m_basic.OnTextChanged -= this.BasicComment_OnTextChanged;
}
// IMPORTANT: Unsubscribe from parent control property changes (if applicable)
if (null != m_parentObject)
{
if (m_parentObject is AbstractProcessUnit)
{
(m_parentObject as AbstractProcessUnit).PropertyChanged -= this.ParentPU_PropertyChanged;
}
else if (m_parentObject is AbstractStream)
{
(m_parentObject as AbstractStream).PropertyChanged -= this.ParentStream_PropertyChanged;
}
}
// Store references
m_basic = null;
m_sticky = comment;
m_parentObject = parent;
AbstractStream parentStream = parent as AbstractStream;
AbstractProcessUnit parentAPU = parent as AbstractProcessUnit;
// Update the UI elements if the comment is not null
if (null != m_sticky)
{
CommentTextBox.Text = m_sticky.Text;
UserNameLabel.Content = m_sticky.UserName;
// Subsribe to property changes
m_sticky.PropertyChanged += this.StickyNote_PropertyChanged;
// Allow editing but not deletion
CommentTextBox.IsReadOnly = false;
XLabel.Visibility = System.Windows.Visibility.Collapsed;
// Show or hide the icon based on the parent
if (null != parentStream)
{
// Get the right icon for this type of stream
string iconSource = PFD.Streams.StreamControl.GetIconSource(parent.GetType());
BitmapImage bmp = new BitmapImage();
bmp.UriSource = new Uri(iconSource, UriKind.Relative);
IconImage.SetValue(Image.SourceProperty, bmp);
// Make sure the icon is visible
IconImage.Visibility = System.Windows.Visibility.Visible;
TitleBarGrid.ColumnDefinitions[0].Width = new GridLength(20.0);
// Give the icon a tooltip that tells what this is a comment for
ToolTipService.SetToolTip(IconImage, "Comment for stream #" +
parentStream.Id);
// Subscribe to property changes for the stream
parentStream.PropertyChanged += new PropertyChangedEventHandler(ParentStream_PropertyChanged);
}
else if (null != parentAPU)
{
// Get the right icon for this type of process unit
string iconSource = ProcessUnitControl.GetIconSource(parent.GetType());
BitmapImage bmp = new BitmapImage();
bmp.UriSource = new Uri(iconSource, UriKind.Relative);
IconImage.SetValue(Image.SourceProperty, bmp);
// Make sure the icon is visible
IconImage.Visibility = System.Windows.Visibility.Visible;
TitleBarGrid.ColumnDefinitions[0].Width = new GridLength(20.0);
// Give the icon a tooltip that tells what this is a comment for
ToolTipService.SetToolTip(IconImage, "Comment for " +
(m_parentObject as AbstractProcessUnit).Label);
// Subscribe to property changes for the process unit
parentAPU.PropertyChanged += new PropertyChangedEventHandler(ParentPU_PropertyChanged);
}
else
{
// Make sure the icon is hidden
IconImage.Visibility = System.Windows.Visibility.Collapsed;
TitleBarGrid.ColumnDefinitions[0].Width = new GridLength(0.0);
}
}
}
private void RebuildIcon()
{
//// If we have are a connected destination endpoint then we have to procedurally build
//// an arrow-head polygon
//if (EndpointType.StreamDestinationConnected == m_type)
//{
// AbstractStream a = m_owner as AbstractStream;
// // Get the points array for the arrow's vertices
// Point[] pts = a.GetArrowVertices();
// double minX, minY, maxX, maxY;
// minX = minY = double.MaxValue;
// maxX = maxY = double.MinValue;
// foreach (Point pt in pts)
// {
// minX = Math.Min(minX, pt.X);
// minY = Math.Min(minY, pt.Y);
// maxX = Math.Max(maxX, pt.X);
// maxY = Math.Max(maxY, pt.Y);
// }
// // Set the width and height
// Width = maxX - minX;
// Height = maxY - minY;
// // Adjust points to make them relative to this control's coordinate system
// for (int i = 0; i < 3; i++)
// {
// ArrowIcon.Points[i] = new Point(pts[i].X - minX, pts[i].Y - minY);
// }
// // Want position such that:
// // Left.X + (pts[0].X - minX) = pts[0].X
// // Left.X = minX
// // Similar thing for Y
// SetValue(Canvas.LeftProperty, minX);
// SetValue(Canvas.TopProperty, minY);
// // Use the same fill as the stem
// ArrowIcon.Fill = m_owner.Stem.Fill;
// // Make sure it's visible and the icon is hidden
// ArrowIcon.Visibility = System.Windows.Visibility.Visible;
// IconImage.Visibility = System.Windows.Visibility.Collapsed;
// // Tell the other endpoint to update since we have potentially just repositioned this one
// OtherEndpoint.PU_LocationChanged(null, null);
//}
//else
if (true)
{
BitmapImage bmp = new BitmapImage();
// We have an icon for each of these 3 types
switch (m_type)
{
case EndpointType.StreamDestination:
bmp.UriSource = new Uri("/UI/Icons/pu_sink.png", UriKind.Relative);
Width = Height = 20;
break;
//case EndpointType.StreamSourceConnected:
// bmp.UriSource = new Uri("/UI/Icons/StreamSourceConnection.png", UriKind.Relative);
// Width = Height = 12;
// break;
case EndpointType.StreamSource:
bmp.UriSource = new Uri("/UI/Icons/pu_source.png", UriKind.Relative);
Width = Height = 20;
break;
default:
// Should be impossible to get here (unless breaking changes are made to this code)
throw new InvalidOperationException();
}
// Set the icon image
IconImage.SetValue(Image.SourceProperty, bmp);
IconImage.Visibility = System.Windows.Visibility.Visible;
// Make sure the arrow is hidden
ArrowIcon.Visibility = System.Windows.Visibility.Collapsed;
}
}
