/// <summary>
/// Initializes a new instance of the <see cref="LineSubdivisionOperation"/> class
/// using the data read from persistent storage.
/// </summary>
/// <param name="editDeserializer">The mechanism for reading back content.</param>
internal LineSubdivisionOperation(EditDeserializer editDeserializer)
: base(editDeserializer)
{
m_Line = editDeserializer.ReadFeatureRef <LineFeature>(DataField.Line);
m_Face = editDeserializer.ReadPersistent <LineSubdivisionFace>(DataField.Face);
//FeatureStub[] sections = editDeserializer.ReadFeatureStubArray(DataField.Result);
if (editDeserializer.IsNextField(DataField.OtherSide))
{
InternalIdValue id = editDeserializer.ReadInternalId(DataField.OtherSide);
OtherSide = (LineSubdivisionOperation)editDeserializer.MapModel.FindOperation(id);
Debug.Assert(OtherSide != null);
OtherSide.OtherSide = this;
}
Project p = editDeserializer.Project;
IEntity pointType = editDeserializer.ReadEntity(DataField.PointType);
FeatureStub[] sections = CreateStubs(p, pointType, m_Line.EntityType);
DeserializationFactory result = new DeserializationFactory(this, sections);
ProcessFeatures(result);
// Apply any IDs
if (editDeserializer.IsNextField(DataField.Ids))
{
editDeserializer.ReadIdMappings(DataField.Ids);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="LineSubdivisionOperation"/> class
/// using the data read from persistent storage.
/// </summary>
/// <param name="editDeserializer">The mechanism for reading back content.</param>
internal LineSubdivisionOperation(EditDeserializer editDeserializer)
: base(editDeserializer)
{
m_Line = editDeserializer.ReadFeatureRef<LineFeature>(DataField.Line);
m_Face = editDeserializer.ReadPersistent<LineSubdivisionFace>(DataField.Face);
//FeatureStub[] sections = editDeserializer.ReadFeatureStubArray(DataField.Result);
if (editDeserializer.IsNextField(DataField.OtherSide))
{
InternalIdValue id = editDeserializer.ReadInternalId(DataField.OtherSide);
OtherSide = (LineSubdivisionOperation)editDeserializer.MapModel.FindOperation(id);
Debug.Assert(OtherSide != null);
OtherSide.OtherSide = this;
}
Project p = editDeserializer.Project;
IEntity pointType = editDeserializer.ReadEntity(DataField.PointType);
FeatureStub[] sections = CreateStubs(p, pointType, m_Line.EntityType);
DeserializationFactory result = new DeserializationFactory(this, sections);
ProcessFeatures(result);
// Apply any IDs
if (editDeserializer.IsNextField(DataField.Ids))
editDeserializer.ReadIdMappings(DataField.Ids);
}
/// <summary>
/// Obtains update items for a revised version of this edit
/// (for later use with <see cref="ExchangeData"/> and <see cref="WriteUpdateItems"/>).
/// </summary>
/// <param name="face">The revised observed lengths for each subdivision section</param>
/// <returns>The items representing the change (may be subsequently supplied to
/// the <see cref="ExchangeUpdateItems"/> method). Never null, but may be an empty collection
/// if the supplied face does not involve any changes.</returns>
internal UpdateItemCollection GetUpdateItems(LineSubdivisionFace face)
{
UpdateItemCollection result = new UpdateItemCollection();
if (!m_Face.HasIdenticalObservedLengths(face))
{
result.Add(m_Face.GetUpdateItem(DataField.Face, face.ObservedLengths));
}
return(result);
}
/// <summary>
/// Checks whether this face has identical observed lengths for each section.
/// </summary>
/// <param name="that">The face to compare with</param>
/// <returns>True if this face is identical to the supplied face</returns>
internal bool HasIdenticalObservedLengths(LineSubdivisionFace that)
{
if (this.m_Distances.Length != that.m_Distances.Length)
{
return(false);
}
for (int i = 0; i < this.m_Distances.Length; i++)
{
Distance dThis = this.m_Distances[i];
Distance dThat = that.m_Distances[i];
if (!dThis.IsIdentical(dThat))
{
return(false);
}
}
return(true);
}
private void newFaceButton_Click(object sender, EventArgs e)
{
// If we previously highlighted something, draw it normally (since it cannot exist as part of any other face).
m_SelectedLine = null;
// If a second face doesn't already exist, get the user to specify the distances.
if (m_Face2 == null)
{
try
{
this.WindowState = FormWindowState.Minimized;
// Get the distance observations
using (LegForm dial = new LegForm(GetObservedLength()))
{
if (dial.ShowDialog() != DialogResult.OK)
return;
// Must be at least two distances
Distance[] dists = dial.Distances;
if (dists == null || dists.Length < 2)
{
MessageBox.Show("The new face must have at least two spans");
return;
}
// Default annotations to the flip side
foreach (Distance d in dists)
d.IsAnnotationFlipped = true;
// Create the new face (for use in preview only)
m_Face2 = new LineSubdivisionFace(dists, m_Face1.IsEntryFromEnd);
InitializeWorkingFace(m_Face2, false);
newFaceButton.Text = "&Other Face";
}
}
finally
{
this.WindowState = FormWindowState.Normal;
}
}
// Switch to the other face (possibly the one just added)
if (m_CurrentFace == m_Face1)
m_CurrentFace = m_Face2;
else
m_CurrentFace = m_Face1;
RefreshList();
}
private void LineSubdivisionUpdateForm_Shown(object sender, EventArgs e)
{
// Get the object that was selected for update.
Feature feat = m_UpdCmd.GetUpdate();
if (feat == null)
throw new InvalidOperationException("Unexpected update object");
// Get the edit that created the primary face
m_pop = (feat.Creator as LineSubdivisionOperation);
Debug.Assert(m_pop != null);
if (!m_pop.IsPrimaryFace)
{
m_pop = m_pop.OtherSide;
Debug.Assert(m_pop != null);
Debug.Assert(m_pop.IsPrimaryFace);
}
// Grab something we throw away if the user decides to cancel
m_Face1 = CreateWorkingFace(m_pop.Face, true);
m_Face2 = (m_pop.OtherSide == null ? null : CreateWorkingFace(m_pop.OtherSide.Face, false));
// If we have two faces, the "New Face" button means you want to switch to the other face.
if (m_Face2 != null)
newFaceButton.Text = "&Other Face";
// Default to the face containing the initially selected feature
m_CurrentFace = (feat.Creator == m_pop ? m_Face1 : m_Face2);
// If a line was selected, remember where it is in our working copy (and if it's actually on
// the alternate face, make that the initial face for editing).
m_SelectedLine = null;
LineFeature selectedLine = (feat as LineFeature);
if (selectedLine != null)
{
LineFeature[] sections = (m_CurrentFace == m_Face1 ? m_pop.Face.Sections : m_pop.OtherSide.Face.Sections);
int lineIndex = Array.FindIndex<LineFeature>(sections, t => t == selectedLine);
if (lineIndex >= 0)
m_SelectedLine = m_CurrentFace.Sections[lineIndex];
}
// Disable the option to flip annotation if annotation is currently invisible
if (!EditingController.Current.AreLineAnnotationsDrawn)
flipDistButton.Enabled = false;
// Reload the list and repaint
RefreshList();
}
/// <summary>
/// Initialize the sections for a working copy of a subdivision face.
/// </summary>
/// <param name="face">A transient face to create sections for</param>
/// <param name="isPrimaryFace">Is the specified face the primary face?</param>
void InitializeWorkingFace(LineSubdivisionFace face, bool isPrimaryFace)
{
// Create throwaway line sections (without any feature IDs, not associated with any session,
// not in spatial index).
FeatureFactory ff = new ThrowawayFeatureFactory(m_pop);
ff.LineType = m_pop.Parent.EntityType;
face.CreateSections(m_pop.Parent, ff, isPrimaryFace);
// And calculate initial geometry
face.CalculateGeometry(m_pop.Parent, null);
}
/// <summary>
/// Creates a working copy of an existing face.
/// </summary>
/// <param name="face">The face to copy</param>
/// <param name="isPrimaryFace">Is the specified face the primary face?</param>
/// <returns>The working copy</returns>
LineSubdivisionFace CreateWorkingFace(LineSubdivisionFace face, bool isPrimaryFace)
{
if (face == null)
return null;
// Make a copy of the distance observations from the source face
Distance[] distances = CopyDistances(face);
LineSubdivisionFace result = new LineSubdivisionFace(distances, face.IsEntryFromEnd);
// Create sections and calculate geometry
InitializeWorkingFace(result, isPrimaryFace);
return result;
}
/// <summary>
/// Obtains the distances for one subdivision face (along with a note as
/// to whether the annotation has been flipped or not).
/// </summary>
/// <param name="face">The face of interest (may be null)</param>
/// <returns>A copy of the distances along the face (null if the supplied face is null).</returns>
Distance[] CopyDistances(LineSubdivisionFace face)
{
if (face == null)
return null;
Distance[] current = face.ObservedLengths;
Distance[] result = new Distance[current.Length];
for (int i = 0; i < result.Length; i++)
result[i] = new Distance(current[i]);
return result;
}
/// <summary>
/// Initializes a new instance of the <see cref="LineSubdivisionOperation"/> class.
/// </summary>
/// <param name="line">The line that is being subdivided.</param>
/// <param name="distances">The lengths for each subdivision section.</param>
/// <param name="isEntryFromEnd">Are the distances observed from the end of the line?</param>
internal LineSubdivisionOperation(LineFeature line, Distance[] distances, bool isEntryFromEnd)
: base()
{
m_Line = line;
m_Face = new LineSubdivisionFace(distances, isEntryFromEnd);
}
/// <summary>
/// Saves a new edit that defines an alternate face for a previously subdivided line.
/// </summary>
/// <param name="firstSide">The edit that initially subdivided the line.</param>
/// <param name="altFace">The definition of the alternate face</param>
void AddOtherSide(LineSubdivisionOperation firstSide, LineSubdivisionFace altFace)
{
try
{
LineSubdivisionOperation op = new LineSubdivisionOperation(firstSide.Parent, altFace.ObservedLengths, altFace.IsEntryFromEnd);
op.OtherSide = firstSide;
op.Execute();
firstSide.OtherSide = op;
}
catch (Exception ex)
{
MessageBox.Show(ex.StackTrace, ex.Message);
}
}
/// <summary>
/// Checks whether this face has identical observed lengths for each section.
/// </summary>
/// <param name="that">The face to compare with</param>
/// <returns>True if this face is identical to the supplied face</returns>
internal bool HasIdenticalObservedLengths(LineSubdivisionFace that)
{
if (this.m_Distances.Length != that.m_Distances.Length)
return false;
for (int i = 0; i < this.m_Distances.Length; i++)
{
Distance dThis = this.m_Distances[i];
Distance dThat = that.m_Distances[i];
if (!dThis.IsIdentical(dThat))
return false;
}
return true;
}
/// <summary>
/// Initializes a new instance of the <see cref="LineSubdivisionOperation"/> class.
/// </summary>
/// <param name="line">The line that is being subdivided.</param>
/// <param name="distances">The lengths for each subdivision section.</param>
/// <param name="isEntryFromEnd">Are the distances observed from the end of the line?</param>
internal LineSubdivisionOperation(LineFeature line, Distance[] distances, bool isEntryFromEnd)
: base()
{
m_Line = line;
m_Face = new LineSubdivisionFace(distances, isEntryFromEnd);
}
/// <summary>
/// Obtains update items for a revised version of this edit
/// (for later use with <see cref="ExchangeData"/> and <see cref="WriteUpdateItems"/>).
/// </summary>
/// <param name="face">The revised observed lengths for each subdivision section</param>
/// <returns>The items representing the change (may be subsequently supplied to
/// the <see cref="ExchangeUpdateItems"/> method). Never null, but may be an empty collection
/// if the supplied face does not involve any changes.</returns>
internal UpdateItemCollection GetUpdateItems(LineSubdivisionFace face)
{
UpdateItemCollection result = new UpdateItemCollection();
if (!m_Face.HasIdenticalObservedLengths(face))
result.Add(m_Face.GetUpdateItem(DataField.Face, face.ObservedLengths));
return result;
}