/// <summary>
/// Initializes a new instance of the <see cref="PathOperation"/> class
/// using the data read from persistent storage.
/// </summary>
/// <param name="editDeserializer">The mechanism for reading back content.</param>
internal PathOperation(EditDeserializer editDeserializer)
: base(editDeserializer)
{
//try
//{
m_From = editDeserializer.ReadFeatureRef <PointFeature>(DataField.From);
m_To = editDeserializer.ReadFeatureRef <PointFeature>(DataField.To);
m_EntryString = editDeserializer.ReadString(DataField.EntryString);
m_DefaultEntryUnit = editDeserializer.ReadDistanceUnit(DataField.DefaultEntryUnit);
Leg[] legs = PathParser.CreateLegs(m_EntryString, m_DefaultEntryUnit);
PrepareLegs(this.EditSequence, legs);
m_Legs = new List <Leg>(legs);
Project p = editDeserializer.Project;
IEntity pointType = editDeserializer.ReadEntity(DataField.PointType);
IEntity lineType = editDeserializer.ReadEntity(DataField.LineType);
// Pick up any alternate faces (these may be defined ONLY when dealing with
// data files that were derived from old CEdit files). The deserializaing
// constructor will connect the alternate faces to the legs we've just
// created.
if (editDeserializer.IsNextField(DataField.AlternateFaces))
{
editDeserializer.ReadPersistentArray <LegFace>(DataField.AlternateFaces);
}
// Create stubs for everything that we could conceivably create (including
// any alternate faces).
FeatureStub[] stubs = CreateStubs(p, pointType, lineType);
var result = new DeserializationFactory(this, stubs);
result.PointType = pointType;
result.LineType = lineType;
// Create feature objects
ProcessFeatures(result);
// Apply any IDs
if (editDeserializer.IsNextField(DataField.Ids))
{
editDeserializer.ReadIdMappings(DataField.Ids);
}
//}
//catch (Exception ex)
//{
// throw ex;
//}
}
private void previewTimer_Tick(object sender, EventArgs e)
{
// Stop the timer - the user has to make a further change to the entered path
// in order to rework the auto-preview
previewTimer.Stop();
okButton.Enabled = false;
// If there's any problem working out the preview, we won't draw the path
m_DrawPath = false;
try
{
// Don't use ParsePath, as that may display a message box
string str = GetEnteredPath();
m_Items = PathParser.GetPathItems(str, EditingController.Current.EntryUnit);
if (m_Items.Length > 0)
{
Leg[] legs = PathParser.CreateLegs(m_Items);
m_PathData = new PathInfo(m_From, m_To, legs);
double prec = m_PathData.Precision;
if (Math.Abs(prec) < MathConstants.TINY)
{
previewLabel.Text = "Exact fit";
}
else
{
previewLabel.Text = String.Format("1:{0}", (uint)prec);
}
m_DrawPath = true;
m_Command.ErasePainting();
okButton.Enabled = true;
}
}
// Indicate that the path cannot be parsed (in the case of an ApplicationException, assume
// the exception message is informational).
catch (ApplicationException ae)
{
previewLabel.Text = ae.Message;
}
catch (Exception)
{
previewLabel.Text = "Cannot generate preview";
}
}
/// <summary>
/// Initializes a new instance of the <see cref="PathOperation"/> class
/// </summary>
/// <param name="from"></param>
/// <param name="to"></param>
/// <param name="entryString"></param>
internal PathOperation(PointFeature from, PointFeature to, string entryString, DistanceUnit defaultEntryUnit)
: base()
{
m_From = from;
m_To = to;
m_EntryString = entryString;
m_DefaultEntryUnit = defaultEntryUnit;
Leg[] legs = PathParser.CreateLegs(m_EntryString, m_DefaultEntryUnit);
uint lastId = PrepareLegs(this.EditSequence, legs);
EditingController.Current.Project.SetLastItem(lastId);
m_Legs = new List <Leg>(legs);
}
/// <summary>
/// Initializes a new instance of the <see cref="UpdatePathForm"/> class.
/// </summary>
/// <param name="update">The update command that's driving things (not null).</param>
/// <exception cref="ArgumentNullException">If the supplied update command is null.</exception>
internal UpdatePathForm(UpdateUI update)
{
InitializeComponent();
Owner = EditingController.Current.MainForm;
if (update == null)
{
throw new ArgumentNullException();
}
m_UpdCmd = update;
m_CurFaceIndex = -1;
m_pop = null;
// Get the object that was selected for update.
m_pop = (m_UpdCmd.GetOp() as PathOperation);
if (m_pop == null)
{
throw new ArgumentException("Cannot obtain original connection path for update");
}
// Get a working copy of the connection path legs
// TODO - This will not be suitable in a situation where staggered legs have been created
Leg[] legs = PathParser.CreateLegs(m_pop.EntryString, m_pop.EntryUnit);
m_Faces = new List <LegFace>();
foreach (Leg leg in legs)
{
m_Faces.Add(leg.PrimaryFace);
if (leg.AlternateFace != null)
{
m_Faces.Add(leg.AlternateFace);
}
}
m_Edits = new PathEditor(legs);
}
