public DynamoNodeButton(ModelBase model, string eventName)
: this()
{
this.model = model;
this.eventName = eventName;
Click += OnDynamoNodeButtonClick;
}
internal void RecordCreatedModel(ModelBase model)
{
if (null != model)
{
undoRecorder.BeginActionGroup();
undoRecorder.RecordCreationForUndo(model);
undoRecorder.EndActionGroup();
}
}
// See RecordModelsForModification below for more details.
public void RecordModelForModification(ModelBase model)
{
if (null != model)
{
var models = new List<ModelBase> { model };
RecordModelsForModification(models);
}
}
public ModelModificationUndoHelper(UndoRedoRecorder recorder, ModelBase model)
: this(recorder, new [] { model })
{
}
public ModelEventArgs(ModelBase model)
: this(model, false)
{
}
/// <summary>
/// This is called when a model is deleted from a group
/// and UNDO is clicked.
/// </summary>
/// <param name="model">The model.</param>
/// <param name="checkOverlap"> checkoverlap determines whether the selected model is
/// completely inside that group</param>
internal void AddToSelectedModels(ModelBase model, bool checkOverlap = false)
{
var list = this.SelectedModels.ToList();
if (list.Where(x => x.GUID == model.GUID).Any()) return;
if (!CheckModelIsInsideGroup(model, checkOverlap)) return;
list.Add(model);
this.SelectedModels = list;
this.UpdateBoundaryFromSelection();
}
public void RemoveGroup(ModelBase model)
{
var annotation = model as AnnotationModel;
RemoveAnnotation(annotation);
annotation.Dispose();
}
// See RecordModelsForModification below for more details.
internal static void RecordModelForModification(ModelBase model, UndoRedoRecorder recorder)
{
if (null != model)
{
var models = new List<ModelBase> { model };
RecordModelsForModification(models, recorder);
}
}
/// <summary>
/// Updates the group boundary based on the nodes / notes selection.
/// </summary>
internal void UpdateBoundaryFromSelection()
{
var selectedModelsList = selectedModels.ToList();
if (selectedModelsList.Any())
{
var groupModels = selectedModelsList.OrderBy(x => x.X).ToList();
//Shifting x by 10 and y to the height of textblock
var regionX = groupModels.Min(x => x.X) - ExtendSize;
//Increase the Y value by 10. This provides the extra space between
// a model and textbox. Otherwise there will be some overlap
var regionY = groupModels.Min(y => y.Y) - ExtendSize - (TextBlockHeight == 0.0 ? MinTextHeight : TextBlockHeight);
//calculates the distance between the nodes
var xDistance = groupModels.Max(x => x.X) - regionX;
var yDistance = groupModels.Max(x => x.Y) - regionY;
var widthandheight = CalculateWidthAndHeight();
var maxWidth = widthandheight.Item1;
var maxHeight = widthandheight.Item2;
// InitialTop is to store the Y value without the Textblock height
this.InitialTop = groupModels.Min(y => y.Y);
var region = new Rect2D
{
X = regionX,
Y = regionY,
Width = xDistance + maxWidth + ExtendSize,
Height = yDistance + maxHeight + ExtendSize
};
this.X = region.X;
this.Y = region.Y;
this.Width = region.Width;
this.Height = region.Height;
//Calculate the boundary if there is any overlap
ModelBase overlap = null;
foreach (var nodes in SelectedModels)
{
if (!region.Contains(nodes.Rect))
{
overlap = nodes;
if (overlap.Rect.Top < this.X ||
overlap.Rect.Bottom > region.Bottom) //Overlap in height - increase the region height
{
if (overlap.Rect.Bottom - region.Bottom > 0)
{
this.Height += overlap.Rect.Bottom - region.Bottom + ExtendSize;
}
region.Height = this.Height;
}
if (overlap.Rect.Left < this.Y ||
overlap.Rect.Right > region.Right) //Overlap in width - increase the region width
{
if (overlap.Rect.Right - region.Right > 0)
{
this.Width += overlap.Rect.Right - region.Right + ExtendSize;
}
region.Width = this.Width;
}
}
}
//Initial Height is to store the Actual height of the group.
//that is the height should be the initial height without the textblock height.
if (this.InitialHeight <= 0.0)
{
this.InitialHeight = region.Height;
}
}
else
{
this.Width = 0;
this.height = 0;
}
}
public ModelEventArgs(ModelBase model, bool transformCoordinates)
{
Model = model;
PositionSpecified = false;
TransformCoordinates = transformCoordinates;
}
public ModelEventArgs(ModelBase model)
: this(model, false)
{
}
// See RecordModelsForModification below for more details.
internal void RecordModelForModification(ModelBase model)
{
if (null != model)
{
List<ModelBase> models = new List<ModelBase>();
models.Add(model);
RecordModelsForModification(models);
}
}
public ModelEventArgs(ModelBase model, double x, double y, bool transformCoordinates)
{
Model = model;
X = x;
Y = y;
PositionSpecified = true;
TransformCoordinates = transformCoordinates;
}
public ModelEventArgs(ModelBase model, bool transformCoordinates)
{
Model = model;
PositionSpecified = false;
TransformCoordinates = transformCoordinates;
}
private void UpdatePythonNodeContent(ModelBase pythonNode, string value)
{
var command = new DynCmd.UpdateModelValueCommand(
pythonNode.GUID, "ScriptContent", value);
dynSettings.Controller.DynamoViewModel.ExecuteCommand(command);
}
public void ReloadModel(XmlElement modelData)
{
ModelBase model = GetModelForElement(modelData);
model.Deserialize(modelData, SaveContext.Undo);
}
private void UpdatePythonNodeContent(ModelBase pythonNode, string value)
{
var command = new DynCmd.UpdateModelValueCommand(
System.Guid.Empty, pythonNode.GUID, "ScriptContent", value);
ViewModel.ExecuteCommand(command);
}
/// <summary>
/// Record the given model right before it is modified. This results
/// in a modification action to be recorded under the current action
/// group. Undoing this action will result in the model being reverted
/// to the states that it was in before the modification took place.
/// </summary>
/// <param name="model">The model to be recorded.</param>
public void RecordModificationForUndo(ModelBase model)
{
RecordActionInternal(currentActionGroup,
model, UserAction.Modification);
redoStack.Clear(); // Wipe out the redo-stack.
}
internal void RecordCreatedModel(ModelBase model)
{
if (null == model) return;
using (undoRecorder.BeginActionGroup())
{
undoRecorder.RecordCreationForUndo(model);
}
}
/// <summary>
/// The recorder calls this method to determine if a given model has
/// already been recorded in the active action group. For an example,
/// if there is a connection between NodeA and NodeB, selecting both
/// the nodes and deleting them will cause the connection model to be
/// recorded twice (when a node is deleted, its connections are being
/// recorded for undo).
/// </summary>
/// <param name="group">The action group to check against.</param>
/// <param name="model">The model to check against.</param>
/// <returns>Returns true if the model has already been recorded in the
/// current action group, or false otherwise.</returns>
private bool IsRecordedInActionGroup(XmlElement group, ModelBase model)
{
if (null == group)
throw new ArgumentNullException("group");
if (null == model)
throw new ArgumentNullException("model");
Guid guid = model.GUID;
foreach (XmlNode childNode in group.ChildNodes)
{
// See if the model supports Guid identification, in unit test cases
// those sample models do not support this so in such cases identity
// check will not be performed.
//
XmlAttribute guidAttribute = childNode.Attributes["guid"];
if (null != guidAttribute && (guid == Guid.Parse(guidAttribute.Value)))
return true; // This model was found to be recorded.
}
return false;
}
/// <summary>
/// Recalculate the group when a node is disposed
/// </summary>
/// <param name="node">The node.</param>
private void model_Disposed(ModelBase model)
{
var modelList = this.SelectedModels.ToList();
bool remove = modelList.Remove(model);
if (remove)
{
DeletedModelBases.Add(model);
SelectedModels = modelList;
UpdateBoundaryFromSelection();
}
}
private void RecordActionInternal(XmlElement group, ModelBase model, UserAction action)
{
if (IsRecordedInActionGroup(group, model))
return;
// Serialize the affected model into xml representation
// and store it under the current action group.
XmlNode childNode = model.Serialize(document, SaveContext.Undo);
SetNodeAction(childNode, action.ToString());
group.AppendChild(childNode);
}
private bool CheckModelIsInsideGroup(ModelBase model, bool checkOverlap)
{
if (!checkOverlap) return true;
var modelRect = model.Rect;
if (this.Rect.Contains(modelRect))
{
return true;
}
return false;
}
/// <summary>
/// Record the given model right before it has been deleted. This
/// results in a deletion action to be recorded under the current action
/// group. Undoing this action will result in the model being created
/// and re-inserted into the current workspace.
/// </summary>
/// <param name="model">The model to be recorded.</param>
public void RecordDeletionForUndo(ModelBase model)
{
RecordActionInternal(this.currentActionGroup,
model, UserAction.Deletion);
this.redoStack.Clear(); // Wipe out the redo-stack.
}
