/// <summary>
/// For requesting registered workspace to zoom in out from a point
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public virtual void OnRequestZoomToViewportPoint(object sender, ZoomEventArgs e)
{
if (RequestZoomToViewportPoint != null)
{
RequestZoomToViewportPoint(this, e);
}
}
internal void ZoomOutInternal()
{
var args = new ZoomEventArgs(-Configurations.ZoomIncrement);
OnRequestZoomToViewportCenter(this, args);
ResetFitViewToggle(null);
}
/// <summary>
/// For requesting registered workspace to zoom in or out to fitview
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public virtual void OnRequestZoomToFitView(object sender, ZoomEventArgs e)
{
if (RequestZoomToFitView != null)
{
RequestZoomToFitView(this, e);
}
}
/// <summary>
/// For requesting registered workspace to zoom in center
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnRequestZoomToViewportCenter(object sender, ZoomEventArgs e)
{
if (RequestZoomToViewportCenter != null)
{
RequestZoomToViewportCenter(this, e);
}
}
/// <summary>
/// For requesting registered workspace to zoom in or out to fitview
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnRequestZoomToFitView(object sender, ZoomEventArgs e)
{
if (RequestZoomToFitView != null)
{
RequestZoomToFitView(this, e);
}
}
/// <summary>
/// Used during open and workspace changes to set the zoom of the workspace
/// </summary>
/// <param name="sender">The object which triggers the event</param>
/// <param name="e">The zoom event data.</param>
internal virtual void OnZoomChanged(object sender, ZoomEventArgs e)
{
if (ZoomChanged != null)
{
//Debug.WriteLine(string.Format("Setting zoom to {0}", e.Zoom));
ZoomChanged(this, e);
}
}
/// <summary>
/// Used during open and workspace changes to set the zoom of the workspace
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public virtual void OnZoomChanged(object sender, ZoomEventArgs e)
{
if (ZoomChanged != null)
{
//Debug.WriteLine(string.Format("Setting zoom to {0}", e.Zoom));
ZoomChanged(this, e);
}
dynSettings.Controller.DynamoViewModel.HideInfoBubble(null);
}
internal void FitViewInternal()
{
// Get the offset and focus width & height (zoom if 100%)
double minX, maxX, minY, maxY;
// Get the width and height of area to fit
if (DynamoSelection.Instance.Selection.Count > 0)
{ // has selection
minX = GetSelectionMinX();
maxX = GetSelectionMaxX();
minY = GetSelectionMinY();
maxY = GetSelectionMaxY();
}
else
{
// no selection, fitview all nodes and notes
var nodes = _nodes.Select(x => x.NodeModel);
var notes = _notes.Select(x => x.Model);
var models = nodes.Concat <ModelBase>(notes);
if (!models.Any())
{
return;
}
// initialize to the first model (either note or node) on the list
var firstModel = models.First();
minX = firstModel.X;
maxX = firstModel.X;
minY = firstModel.Y;
maxY = firstModel.Y;
foreach (var model in models)
{
//calculates the min and max positions of both x and y coords of all nodes and notes
minX = Math.Min(model.X, minX);
maxX = Math.Max(model.X + model.Width, maxX);
minY = Math.Min(model.Y, minY);
maxY = Math.Max(model.Y + model.Height, maxY);
}
}
var offset = new Point2D(minX, minY);
double focusWidth = maxX - minX;
double focusHeight = maxY - minY;
_fitViewActualZoomToggle = !_fitViewActualZoomToggle;
ZoomEventArgs zoomArgs = _fitViewActualZoomToggle
? new ZoomEventArgs(offset, focusWidth, focusHeight)
: new ZoomEventArgs(offset, focusWidth, focusHeight, 1.0);
OnRequestZoomToFitView(this, zoomArgs);
}
private void FitView(object o)
{
// Get the offset and focus width & height (zoom if 100%)
double minX, maxX, minY, maxY;
// Get the width and height of area to fit
if (DynamoSelection.Instance.Selection.Count > 0)
{ // has selection
minX = GetSelectionMinX();
maxX = GetSelectionMaxX();
minY = GetSelectionMinY();
maxY = GetSelectionMaxY();
}
else
{ // no selection, fitview all nodes
if (_nodes.Count() <= 0)
{
return;
}
IEnumerable <ILocatable> nodes = _nodes.Select((x) => x.NodeModel).Where((x) => x is ILocatable).Cast <ILocatable>();
minX = nodes.Select((x) => x.X).Min();
maxX = nodes.Select((x) => x.X + x.Width).Max();
minY = nodes.Select((y) => y.Y).Min();
maxY = nodes.Select((y) => y.Y + y.Height).Max();
}
Point offset = new Point(minX, minY);
double focusWidth = maxX - minX;
double focusHeight = maxY - minY;
ZoomEventArgs zoomArgs;
_fitViewActualZoomToggle = !_fitViewActualZoomToggle;
if (_fitViewActualZoomToggle)
{
zoomArgs = new ZoomEventArgs(offset, focusWidth, focusHeight);
}
else
{
zoomArgs = new ZoomEventArgs(offset, focusWidth, focusHeight, 1.0);
}
OnRequestZoomToFitView(this, zoomArgs);
}
internal void FitViewInternal()
{
// Get the offset and focus width & height (zoom if 100%)
double minX, maxX, minY, maxY;
// Get the width and height of area to fit
if (DynamoSelection.Instance.Selection.Count > 0)
{ // has selection
minX = GetSelectionMinX();
maxX = GetSelectionMaxX();
minY = GetSelectionMinY();
maxY = GetSelectionMaxY();
}
else
{ // no selection, fitview all nodes
if (!_nodes.Any())
{
return;
}
List <NodeModel> nodes = _nodes.Select(x => x.NodeModel).Where(x => x != null).ToList();
minX = nodes.Select(x => x.X).Min();
maxX = nodes.Select(x => x.X + x.Width).Max();
minY = nodes.Select(y => y.Y).Min();
maxY = nodes.Select(y => y.Y + y.Height).Max();
}
var offset = new Point2D(minX, minY);
double focusWidth = maxX - minX;
double focusHeight = maxY - minY;
_fitViewActualZoomToggle = !_fitViewActualZoomToggle;
ZoomEventArgs zoomArgs = _fitViewActualZoomToggle
? new ZoomEventArgs(offset, focusWidth, focusHeight)
: new ZoomEventArgs(offset, focusWidth, focusHeight, 1.0);
OnRequestZoomToFitView(this, zoomArgs);
}