public void To(ILinkableViewer fromViewer, GeoDo.RSS.Core.DrawEngine.CoordEnvelope viewport)
{
foreach (ILinkableViewer v in _viewers)
{
if (!v.Equals(fromViewer))
{
v.To(viewport.Clone());
}
}
}
public void UpdatePrimaryLinkWindow()
{
if (_activeViewer is ILinkableViewer)
{
ILinkableViewer linkViewer = _activeViewer as ILinkableViewer;
if (!linkViewer.IsPrimaryLinkWnd && _linkableViewerManager.IsLinking(linkViewer))
{
_linkableViewerManager.ChangePrimaryLinkViewer(linkViewer);
}
}
}
public void ChangePrimaryLinkViewer(ILinkableViewer viewer)
{
if (viewer == null)
{
return;
}
if (_primaryViewer != null)
{
_primaryViewer.IsPrimaryLinkWnd = false;
_primaryViewer.OnCoordEnvelopeChanged = null;
}
viewer.IsPrimaryLinkWnd = true;
_primaryViewer = viewer;
viewer.OnCoordEnvelopeChanged += new EventHandler((sender, arg) =>
{
To(viewer, ((viewer as ICanvasHost).Canvas).CurrentEnvelope);
});
}
public override void Execute()
{
ILinkableViewer[] viewers = GetLinkableViewers();
if (viewers == null || viewers.Length <= 1)
{
return;
}
ILinkableViewer pv = viewers[0];
if (!(pv is ICanvasViewer))
{
pv = viewers[1];
}
pv.IsPrimaryLinkWnd = true;
_smartSession.SmartWindowManager.LinkableViewerManager.Layout = GetLayoutStyle();
foreach (ILinkableViewer v in viewers)
{
_smartSession.SmartWindowManager.LinkableViewerManager.Link(v);
}
switch (_smartSession.SmartWindowManager.LinkableViewerManager.Layout)
{
case enumViewerLayoutStyle.HorizontalLayout:
for (int i = 1; i < viewers.Length; i++)
{
_smartSession.SmartWindowManager.NewHorizontalGroup(viewers[i] as ISmartViewer);
}
break;
case enumViewerLayoutStyle.VerticalLayout:
for (int i = 1; i < viewers.Length; i++)
{
_smartSession.SmartWindowManager.NewVerticalGroup(viewers[i] as ISmartViewer);
}
break;
}
_smartSession.SmartWindowManager.UpdatePrimaryLinkWindow();
ICanvasViewer primaryViewer = _smartSession.SmartWindowManager.ActiveCanvasViewer as ICanvasViewer;
if (primaryViewer != null)
{
primaryViewer.Canvas.CurrentEnvelope = (primaryViewer as ICanvasViewer).Canvas.CurrentEnvelope;
primaryViewer.Canvas.Refresh(enumRefreshType.All);
}
}
public void Unlink(ILinkableViewer viewer)
{
if (viewer != null && _viewers.Contains(viewer))
{
if (viewer is ICanvasViewer && (viewer as ICanvasViewer).Canvas != null)
{
(viewer as ICanvasViewer).Canvas.IsLinking = false;
}
if (viewer.IsPrimaryLinkWnd)
{
viewer.OnCoordEnvelopeChanged = null;
viewer.IsPrimaryLinkWnd = false;
}
_viewers.Remove(viewer);
if (_viewers.Count == 1)
{
_viewers[0].OnCoordEnvelopeChanged = null;
_viewers.Clear();
}
}
}
public bool Link(ILinkableViewer viewer)
{
if (viewer != null && !_viewers.Contains(viewer))
{
if (viewer.IsPrimaryLinkWnd)
{
viewer.OnCoordEnvelopeChanged += new EventHandler((sender, arg) =>
{
To(viewer, ((viewer as ICanvasHost).Canvas).CurrentEnvelope.Clone());
});
_primaryViewer = viewer;
}
if (viewer is ICanvasViewer)
{
(viewer as ICanvasViewer).Canvas.IsLinking = true;
}
_viewers.Add(viewer);
return(true);
}
return(false);
}
public bool IsLinking(ILinkableViewer viewer)
{
return(_viewers.Contains(viewer));
}
