public void Detach()
{
if (!(_control.DataContext is IProjectEditor projectEditor))
{
return;
}
var zoomBorder = _control.Find <ZoomBorder>("zoomBorder");
if (projectEditor.CanvasPlatform is IEditorCanvasPlatform canvasPlatform)
{
canvasPlatform.Invalidate = null;
canvasPlatform.ResetZoom = null;
canvasPlatform.AutoFitZoom = null;
canvasPlatform.Zoom = null;
}
if (zoomBorder != null)
{
zoomBorder.InvalidatedChild = null;
}
_inputProcessor?.Dispose();
_inputProcessor = null;
_inputTarget = null;
_inputSource = null;
}
/// <summary>
/// Detach project editor from container control.
/// </summary>
public void DetachEditor()
{
if (DataContext is IProjectEditor projectEditor)
{
if (!_isLoaded)
{
return;
}
if (projectEditor.CanvasPlatform is IEditorCanvasPlatform canvasPlatform)
{
canvasPlatform.Invalidate = null;
canvasPlatform.ResetZoom = null;
canvasPlatform.AutoFitZoom = null;
canvasPlatform.Zoom = null;
}
if (_zoomBorder != null)
{
_zoomBorder.InvalidatedChild = null;
}
_inputProcessor.Dispose();
_inputTarget = null;
_inputProcessor = null;
_inputSource = null;
_isLoaded = false;
}
}
public void Attach()
{
if (!(_control.DataContext is IProjectEditor projectEditor))
{
return;
}
var presenterControlData = _control.Find <Control>("presenterControlData");
var presenterControlTemplate = _control.Find <Control>("presenterControlTemplate");
var presenterControlEditor = _control.Find <Control>("presenterControlEditor");
var zoomBorder = _control.Find <ZoomBorder>("zoomBorder");
if (projectEditor.CanvasPlatform is IEditorCanvasPlatform canvasPlatform)
{
canvasPlatform.Invalidate = () =>
{
presenterControlData?.InvalidateVisual();
presenterControlTemplate?.InvalidateVisual();
presenterControlEditor?.InvalidateVisual();
};
canvasPlatform.ResetZoom = () => zoomBorder?.Reset();
canvasPlatform.AutoFitZoom = () => zoomBorder?.AutoFit();
canvasPlatform.Zoom = zoomBorder;
}
if (zoomBorder != null)
{
zoomBorder.InvalidatedChild = InvalidateChild;
}
_inputSource = new AvaloniaInputSource(zoomBorder, presenterControlEditor, p => p);
_inputTarget = new ProjectEditorInputTarget(projectEditor);
_inputProcessor = new InputProcessor();
_inputProcessor.Connect(_inputSource, _inputTarget);
}
/// <summary>
/// Attach project editor to container control.
/// </summary>
public void AttachEditor()
{
if (DataContext is IProjectEditor projectEditor)
{
if (_isLoaded)
{
return;
}
if (projectEditor.CanvasPlatform is IEditorCanvasPlatform canvasPlatform)
{
canvasPlatform.Invalidate = () =>
{
_containerControlData?.InvalidateVisual();
_containerControlTemplate?.InvalidateVisual();
_containerControlEditor?.InvalidateVisual();
};
canvasPlatform.ResetZoom = () => _zoomBorder?.Reset();
canvasPlatform.AutoFitZoom = () => _zoomBorder?.AutoFit();
canvasPlatform.Zoom = _zoomBorder;
}
if (_zoomBorder != null)
{
_zoomBorder.InvalidatedChild = InvalidateChild;
}
_inputSource = new AvaloniaInputSource(
_zoomBorder,
_containerControlEditor,
p => p);
_inputTarget = new ProjectEditorInputTarget(projectEditor);
_inputProcessor = new InputProcessor();
_inputProcessor.Connect(_inputSource, _inputTarget);
_isLoaded = true;
}
}