internal void UpdateConnectionBetween(VirtualArchivePanel startPanel, VirtualArchivePanel nextPanel)
{
Point startPanelPosition = new Point((double)startPanel.GetValue(System.Windows.Controls.Canvas.LeftProperty), (double)startPanel.GetValue(System.Windows.Controls.Canvas.TopProperty));
Point nextPanelPosition = new Point((double)nextPanel.GetValue(System.Windows.Controls.Canvas.LeftProperty), (double)nextPanel.GetValue(System.Windows.Controls.Canvas.TopProperty));
LineGeometry line = null;
// Change exsiting
foreach (PanelConnection connection in Connections)
{
if (connection.StartPanel == startPanel)
{
line = connection.Line;
break;
}
}
// Extablish a new one
if (line == null)
{
line = new LineGeometry(); Connectors.Children.Add(line); Connections.Add(new PanelConnection(startPanel, nextPanel, line));
}
// Update
line.StartPoint = new Point(startPanelPosition.X + startPanel.ActualWidth, startPanelPosition.Y + startPanel.ActualHeight / 2);
line.EndPoint = new Point(nextPanelPosition.X, nextPanelPosition.Y + nextPanel.ActualHeight / 2);
}
internal void AddNextPanelFor(VirtualArchivePanel startPanel, VirtualArchivePanel nextPanel)
{
// Get location
double xPositionOffset = startPanel.ActualWidth * 1.5;
Point startPanelPosition = new Point((double)startPanel.GetValue(System.Windows.Controls.Canvas.LeftProperty),
(double)startPanel.GetValue(System.Windows.Controls.Canvas.TopProperty));
Point nextPanelPosition = new Point((double)startPanel.GetValue(System.Windows.Controls.Canvas.LeftProperty) + xPositionOffset,
(double)startPanel.GetValue(System.Windows.Controls.Canvas.TopProperty));
// Show next panel
System.Windows.Controls.Canvas.SetLeft(nextPanel, nextPanelPosition.X);
System.Windows.Controls.Canvas.SetTop(nextPanel, nextPanelPosition.Y);
VirtualArchiveCanvas.Children.Add(nextPanel);
// Update
this.UpdateLayout();
UpdateConnectionBetween(startPanel, nextPanel);
}
//internal void RemovePanelsFor(VirtualArchivePanel nextPanel) // Not working, and I don't think it's very userful
//{
// // Find any exsiting
// PanelConnection connectionToRemove = null;
// foreach (PanelConnection connection in Connections)
// {
// if (connection.StartPanel == nextPanel)
// {
// connectionToRemove = connection;
// break; // We know there will only be one line so we can break now, but if we want there be more lines we can comment this line
// }
// }
// if (connectionToRemove != null)
// {
// Connectors.Children.Remove(connectionToRemove.Line);
// Connections.Remove(connectionToRemove);
// RemovePanelsFor(connectionToRemove.EndPanel);
// }
//}
internal void UpdateConnection(VirtualArchivePanel endPanel)
{
Point nextPanelPosition = new Point((double)endPanel.GetValue(System.Windows.Controls.Canvas.LeftProperty), (double)endPanel.GetValue(System.Windows.Controls.Canvas.TopProperty));
// Find any exsiting
foreach (PanelConnection connection in Connections)
{
if (connection.EndPanel == endPanel)
{
Point startPanelPosition = new Point((double)connection.StartPanel.GetValue(System.Windows.Controls.Canvas.LeftProperty), (double)connection.StartPanel.GetValue(System.Windows.Controls.Canvas.TopProperty));
// Update
connection.Line.StartPoint = new Point(startPanelPosition.X + connection.StartPanel.ActualWidth, startPanelPosition.Y + connection.StartPanel.ActualHeight / 2);
connection.Line.EndPoint = new Point(nextPanelPosition.X, nextPanelPosition.Y + endPanel.ActualHeight / 2);
break; // We know there will only be one line so we can break now, but if we want there be more lines we can comment this line
}
}
}
