/// <summary>
/// Initializes a new instance of the <see cref="MovePolygonPositionOperation"/> class
/// </summary>
/// <param name="label">The polygon label to modify</param>
internal MovePolygonPositionOperation(TextFeature label)
: base()
{
m_Label = label;
m_OldPosition = null;
m_NewPosition = null;
}
/// <summary>
/// Initializes a new instance of the <see cref="MovePolygonPositionOperation"/> class
/// </summary>
/// <param name="label">The polygon label to modify</param>
internal MovePolygonPositionOperation(TextFeature label)
: base()
{
m_Label = label;
m_OldPosition = null;
m_NewPosition = null;
}
/// <summary>
/// Initializes a new instance of the <see cref="MoveTextOperation"/> class
/// </summary>
/// <param name="text">The text to be moved</param>
internal MoveTextOperation(TextFeature text)
: base()
{
m_Text = text;
m_OldPosition = null;
m_OldPolPosition = null;
m_NewPosition = null;
}
/// <summary>
/// Initializes a new instance of the <see cref="MoveTextOperation"/> class
/// </summary>
/// <param name="text">The text to be moved</param>
internal MoveTextOperation(TextFeature text)
: base()
{
m_Text = text;
m_OldPosition = null;
m_OldPolPosition = null;
m_NewPosition = null;
}
/// <summary>
/// Creates a new <c>MoveTextUI</c>
/// </summary>
/// <param name="cc">The container for any dialogs</param>
/// <param name="action">The action that initiated this command</param>
/// <param name="text">The text to move (not null)</param>
internal MoveTextUI(IControlContainer cc, IUserAction action, TextFeature text)
: base(cc, action)
{
if (text == null)
throw new ArgumentNullException();
m_Text = text;
}
/// <summary>
/// Updates a previously added polygon label.
/// </summary>
/// <param name="label">The previously added label.</param>
/// <returns>True if an update was made.</returns>
internal override bool UpdateLabel(TextFeature label)
{
// For the time being, "update" means updating the attributes
// associated with the label. There's no way to update the
// entity type, schema, or annotation template (apart from
// deleting an existing label, and re-adding a new one).
return(false);
}
/// <summary>
/// Creates a new <c>MovePolygonPositionUI</c>
/// </summary>
/// <param name="cc">The container for any dialogs</param>
/// <param name="action">The action that initiated this command</param>
/// <param name="text">The text to move (not null)</param>
internal MovePolygonPositionUI(IControlContainer cc, IUserAction action, TextFeature text)
: base(cc, action)
{
if (text == null)
throw new ArgumentNullException();
m_Text = text;
m_LastPolygon = m_Text.Container;
}
/// <summary>
/// Creates a new <c>MoveTextUI</c>
/// </summary>
/// <param name="cc">The container for any dialogs</param>
/// <param name="action">The action that initiated this command</param>
/// <param name="text">The text to move (not null)</param>
internal MoveTextUI(IControlContainer cc, IUserAction action, TextFeature text)
: base(cc, action)
{
if (text == null)
{
throw new ArgumentNullException();
}
m_Text = text;
}
/// <summary>
/// Creates a new <c>MovePolygonPositionUI</c>
/// </summary>
/// <param name="cc">The container for any dialogs</param>
/// <param name="action">The action that initiated this command</param>
/// <param name="text">The text to move (not null)</param>
internal MovePolygonPositionUI(IControlContainer cc, IUserAction action, TextFeature text)
: base(cc, action)
{
if (text == null)
{
throw new ArgumentNullException();
}
m_Text = text;
m_LastPolygon = m_Text.Container;
}
/// <summary>
/// Initializes a new instance of the <see cref="PolygonSubdivisionOperation"/> class
/// using the data read from persistent storage.
/// </summary>
/// <param name="editDeserializer">The mechanism for reading back content.</param>
internal PolygonSubdivisionOperation(EditDeserializer editDeserializer)
: base(editDeserializer)
{
if (editDeserializer.IsNextField(DataField.DeactivatedLabel))
{
m_Label = editDeserializer.ReadFeatureRef <TextFeature>(DataField.DeactivatedLabel);
m_Label.IsInactive = true; // later ?
}
m_Lines = editDeserializer.ReadPersistentArray <LineFeature>(DataField.Lines);
}
/// <summary>
/// Initializes a new instance of the <see cref="PolygonSubdivisionOperation"/> class
/// using the data read from persistent storage.
/// </summary>
/// <param name="editDeserializer">The mechanism for reading back content.</param>
internal PolygonSubdivisionOperation(EditDeserializer editDeserializer)
: base(editDeserializer)
{
if (editDeserializer.IsNextField(DataField.DeactivatedLabel))
{
m_Label = editDeserializer.ReadFeatureRef<TextFeature>(DataField.DeactivatedLabel);
m_Label.IsInactive = true; // later ?
}
m_Lines = editDeserializer.ReadPersistentArray<LineFeature>(DataField.Lines);
}
/// <summary>
/// Executes this operation. This version is suitable for adding miscellaneous
/// non-topological trim.
/// </summary>
/// <param name="trim">The text of the label.</param>
/// <param name="ent">The entity type to assign to the new label (default was null)</param>
/// <param name="position">The reference position for the label.</param>
/// <param name="ght">The height of the new label, in meters on the ground.</param>
/// <param name="gwd">The width of the new label, in meters on the ground.</param>
/// <param name="rot">The clockwise rotation of the text, in radians from the horizontal.</param>
internal void Execute(string trim, IEntity ent, IPosition position, double ght, double gwd, double rot)
{
// Add the label.
TextFeature text = MapModel.AddMiscText(this, trim, ent, position, ght, gwd, rot);
SetText(text);
// The trim is always non-topological.
text.SetTopology(false);
Complete();
}
/// <summary>
/// Initializes a new instance of the <see cref="MoveTextOperation"/> class
/// using the data read from persistent storage.
/// </summary>
/// <param name="editDeserializer">The mechanism for reading back content.</param>
internal MoveTextOperation(EditDeserializer editDeserializer)
: base(editDeserializer)
{
m_Text = editDeserializer.ReadFeatureRef<TextFeature>(DataField.Text);
m_OldPosition = editDeserializer.ReadPointGeometry(DataField.OldX, DataField.OldY);
m_NewPosition = editDeserializer.ReadPointGeometry(DataField.NewX, DataField.NewY);
if (editDeserializer.IsNextField(DataField.OldPolygonX))
m_OldPolPosition = editDeserializer.ReadPointGeometry(DataField.OldPolygonX, DataField.OldPolygonY);
else
m_OldPolPosition = null;
}
/// <summary>
/// Executes the new label operation.
/// </summary>
/// <param name="vtx">The position of the new label.</param>
/// <param name="polygonId">The ID and entity type to assign to the new label.</param>
/// <param name="pol">The polygon that the label falls inside. It should not already refer to a label.</param>
/// <param name="height">The height of the text, in meters on the ground.</param>
/// <param name="width">The width of the text, in meters on the ground.</param>
/// <param name="rotation">The clockwise rotation of the text, in radians from the horizontal.</param>
internal void Execute(IPosition vtx, IdHandle polygonId, Polygon pol,
double height, double width, double rotation)
{
// Add the label.
CadastralMapModel map = MapModel;
TextFeature text = map.AddKeyLabel(this, polygonId, vtx, height, width, rotation);
SetText(text);
// Associate the polygon with the label, and vice versa.
text.SetTopology(true);
pol.ClaimLabel(text);
Complete();
}
/// <summary>
/// Reads data that was previously written using <see cref="WriteData"/>
/// </summary>
/// <param name="editDeserializer">The mechanism for reading back content.</param>
/// <param name="label">The polygon label that was modified</param>
/// <param name="newPosition">The revised position of the reference point.</param>
/// <param name="oldPosition">The original position of the reference point.</param>
static void ReadData(EditDeserializer editDeserializer, out TextFeature label, out PointGeometry newPosition,
out PointGeometry oldPosition)
{
label = editDeserializer.ReadFeatureRef <TextFeature>(DataField.Label);
newPosition = editDeserializer.ReadPointGeometry(DataField.NewX, DataField.NewY);
if (editDeserializer.IsNextField(DataField.OldX))
{
oldPosition = editDeserializer.ReadPointGeometry(DataField.OldX, DataField.OldY);
}
else
{
oldPosition = null;
}
}
/// <summary>
/// Creates a new <c>NewTextForm</c>
/// </summary>
/// <param name="label">Optional label that's being updated (null if
/// specifying a new item of text) [default was null]</param>
internal NewTextForm(TextFeature label)
{
InitializeComponent();
m_Text = String.Empty;
m_Entity = null;
m_Label = label;
// If we're doing an update, grab initial values.
if (m_Label != null)
{
m_Text = m_Label.TextGeometry.Text;
m_Entity = m_Label.EntityType;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="MoveTextOperation"/> class
/// using the data read from persistent storage.
/// </summary>
/// <param name="editDeserializer">The mechanism for reading back content.</param>
internal MoveTextOperation(EditDeserializer editDeserializer)
: base(editDeserializer)
{
m_Text = editDeserializer.ReadFeatureRef <TextFeature>(DataField.Text);
m_OldPosition = editDeserializer.ReadPointGeometry(DataField.OldX, DataField.OldY);
m_NewPosition = editDeserializer.ReadPointGeometry(DataField.NewX, DataField.NewY);
if (editDeserializer.IsNextField(DataField.OldPolygonX))
{
m_OldPolPosition = editDeserializer.ReadPointGeometry(DataField.OldPolygonX, DataField.OldPolygonY);
}
else
{
m_OldPolPosition = null;
}
}
/// <summary>
/// Executes this operation.
/// </summary>
/// <param name="sub">The polygon subdivision information.</param>
internal void Execute(PolygonSub sub)
{
int numLine = sub.NumLink;
if (numLine == 0)
{
throw new Exception("PolygonSubdivisionOperation.Execute - Nothing to add");
}
// If the polygon contains just one label, de-activate it. This covers a "well-behaved" situation,
// where the label inside the polygon is likely to be redundant after the subdivision (it also
// conforms to logic used in the past). In a situation where the polygon contains multiple labels,
// it's less clear whether the labels become redundant or not, so we keep them all.
Polygon pol = sub.Polygon;
if (pol.LabelCount == 1)
{
m_Label = pol.Label;
if (m_Label != null)
{
m_Label.IsInactive = true;
}
}
// Mark the polygon for deletion
pol.IsDeleted = true;
// Get the default entity type for lines.
CadastralMapModel map = MapModel;
IEntity ent = map.DefaultLineType;
// Allocate array to point to the lines we will be creating.
m_Lines = new LineFeature[numLine];
// Add lines for each link
PointFeature start, end;
for (int i = 0; sub.GetLink(i, out start, out end); i++)
{
m_Lines[i] = map.AddLine(start, end, ent, this);
}
// Peform standard completion steps
Complete();
}
/// <summary>
/// Update a previously added item of text.
/// </summary>
/// <param name="label">The previously added text.</param>
/// <returns>TRUE if an update was made.</returns>
internal override bool UpdateLabel(TextFeature label)
{
throw new NotImplementedException("NewTextUI.UpdateLabel");
//// The label MUST be miscellaneous text.
//MiscTextGeometry text = (label.TextGeometry as MiscTextGeometry);
//if (text==null)
// throw new Exception("Can only update miscellaneous text.");
//// Display dialog to get info.
//NewTextForm dial = new NewTextForm(label);
//if (dial.ShowDialog() != DialogResult.OK)
//{
// dial.Dispose();
// return false;
//}
//// Confirm that the entity type has been specified.
//IEntity ent = dial.EntityType;
//if (ent==null)
//{
// MessageBox.Show("Text type must be specified.");
// return false;
//}
//// Confirm that the new text is defined.
//m_NewText = dial.EnteredText.Trim();
//if (m_NewText.Length==0)
//{
// MessageBox.Show("You cannot delete text this way.");
// return false;
//}
//// Set the new text (this removes the old text from the
//// spatial index, changes the text, and re-indexes).
//text.SetText(label, m_NewText);
//// Change the text's entity type.
//if (ent.Id != label.EntityType.Id)
// label.EntityType = ent;
//// Redraw the text.
//label.Draw(ActiveDisplay, Color.Black);
//return true;
}
/// <summary>
/// Executes the new label operation.
/// </summary>
/// <param name="vtx">The position of the new label.</param>
/// <param name="polygonId">The ID and entity type to assign to the new label.</param>
/// <param name="row">The data to use for creating a row for the new label.</param>
/// <param name="atemplate">The template to use in creating the RowTextGeometry
/// for the new label.</param>
/// <param name="pol">The polygon that the label falls inside. It should not already
/// refer to a label. Not null.</param>
/// <param name="height">The height of the text, in meters on the ground.</param>
/// <param name="width">The width of the new label, in meters on the ground.</param>
/// <param name="rotation">The clockwise rotation of the text, in radians from the horizontal.</param>
internal void Execute(IPosition vtx, IdHandle polygonId, DataRow row, ITemplate atemplate, Polygon pol,
double height, double width, double rotation)
{
if (pol == null)
{
throw new ArgumentNullException();
}
// Add the label.
TextFeature text = MapModel.AddRowLabel(this, polygonId, vtx, row, atemplate, height, width, rotation);
SetText(text);
// Associate the polygon with the label, and vice versa.
text.SetTopology(true);
pol.ClaimLabel(text);
Complete();
}
/// <summary>
/// Handles a mouse down event
/// </summary>
/// <param name="p">The position where the click occurred</param>
/// <returns>True (always), indicating that something was done.</returns>
internal override bool LButtonDown(IPosition p)
{
// Erase any text outline.
EraseRect();
// Add a new label.
TextFeature label = AddNewLabel(p);
// Draw it.
if (label != null)
{
label.Draw(ActiveDisplay, Color.Black);
}
// Tell the base class.
OnLabelAdd();
// Get the info for the next piece of text.
GetLabelInfo();
return(true);
}
/// <summary>
/// Do any command-specific drawing.
/// </summary>
/// <param name="point">The specific point (if any) that the parent window has drawn.</param>
internal override void Paint(PointFeature point)
{
HighlightStyle style = new HighlightStyle();
if (m_Orient != null)
{
style.ShowLineEndPoints = false;
m_Orient.Render(ActiveDisplay, style);
}
if (m_IsAutoPos && m_Polygon != null)
{
if (m_AutoPosition == null)
{
m_AutoPosition = m_Polygon.GetLabelPosition(Width, Height);
}
DrawText(m_AutoPosition);
}
else
{
base.Paint(point);
}
if (IsValidPolygon())
{
m_Polygon.Render(ActiveDisplay, style);
// If the polygon actually contains a label that is drawn on the current editing
// layer, take this opportunity to draw it in gray.
TextFeature label = m_Polygon.Label;
if (label != null)
{
label.Draw(ActiveDisplay, Color.Gray);
}
}
}
abstract internal bool UpdateLabel(TextFeature label);
/// <summary>
/// Initializes a new instance of the <see cref="NewTextOperation"/> class.
/// </summary>
protected NewTextOperation()
: base()
{
m_NewText = null;
}
/// <summary>
/// Initializes a new instance of the <see cref="NewTextOperation"/> class
/// using the data read from persistent storage.
/// </summary>
/// <param name="editDeserializer">The mechanism for reading back content.</param>
protected NewTextOperation(EditDeserializer editDeserializer)
: base(editDeserializer)
{
m_NewText = editDeserializer.ReadPersistent<TextFeature>(DataField.Text);
}
/// <summary>
/// Defines the text created by this edit
/// </summary>
/// <param name="label">The created text (not null)</param>
internal void SetText(TextFeature label)
{
m_NewText = label;
}
/// <summary>
/// Initializes a new instance of the <see cref="NewTextOperation"/> class
/// using the data read from persistent storage.
/// </summary>
/// <param name="editDeserializer">The mechanism for reading back content.</param>
protected NewTextOperation(EditDeserializer editDeserializer)
: base(editDeserializer)
{
m_NewText = editDeserializer.ReadPersistent <TextFeature>(DataField.Text);
}
/// <summary>
/// Executes this operation.
/// </summary>
/// <param name="sub">The polygon subdivision information.</param>
internal void Execute(PolygonSub sub)
{
int numLine = sub.NumLink;
if (numLine==0)
throw new Exception("PolygonSubdivisionOperation.Execute - Nothing to add");
// If the polygon contains just one label, de-activate it. This covers a "well-behaved" situation,
// where the label inside the polygon is likely to be redundant after the subdivision (it also
// conforms to logic used in the past). In a situation where the polygon contains multiple labels,
// it's less clear whether the labels become redundant or not, so we keep them all.
Polygon pol = sub.Polygon;
if (pol.LabelCount == 1)
{
m_Label = pol.Label;
if (m_Label!=null)
m_Label.IsInactive = true;
}
// Mark the polygon for deletion
pol.IsDeleted = true;
// Get the default entity type for lines.
CadastralMapModel map = MapModel;
IEntity ent = map.DefaultLineType;
// Allocate array to point to the lines we will be creating.
m_Lines = new LineFeature[numLine];
// Add lines for each link
PointFeature start, end;
for (int i=0; sub.GetLink(i, out start, out end); i++)
{
m_Lines[i] = map.AddLine(start, end, ent, this);
}
// Peform standard completion steps
Complete();
}
/// <summary>
/// Updates a previously added polygon label.
/// </summary>
/// <param name="label">The previously added label.</param>
/// <returns>True if an update was made.</returns>
internal override bool UpdateLabel(TextFeature label)
{
// For the time being, "update" means updating the attributes
// associated with the label. There's no way to update the
// entity type, schema, or annotation template (apart from
// deleting an existing label, and re-adding a new one).
return false;
}
internal abstract bool UpdateLabel(TextFeature label);
/// <summary>
/// Handles a mouse down event
/// </summary>
/// <param name="p">The position where the click occurred</param>
/// <returns>True (always), indicating that something was done.</returns>
internal override bool LButtonDown(IPosition p)
{
// Make sure the enclosing polygon refers to the point we
// have been supplied.
MouseMove(p);
// Exit the command if the user left-clicked in an area that
// does not have a polygon (perhaps the user doesn't know that
// you exit via the right-click menu).
if (m_Polygon == null)
{
DialFinish(null);
return(true);
}
// Issue error if the enclosing polygon already has a label (this
// was supposed to be pretty obvious, given that the cursor is
// grey, and the polygon is not filled in that case).
if (!IsValidPolygon())
{
MessageBox.Show("Polygon already has a label");
SetCommandCursor();
return(true);
}
// Erase any text outline.
EraseRect();
// Erase any highlighting.
DrawPolygon(false);
if (m_Orient != null)
{
ErasePainting();
m_Orient = null;
}
// Does the polygon actually contain a label that's shared with a base layer?
TextFeature oldLabel = m_Polygon.Label;
// Add a new label.
TextFeature label = null;
if (m_IsAutoPos)
{
label = AddNewLabel();
}
else
{
label = AddNewLabel(p);
}
// Tell the base class (resets the last known position, used
// to erase labels during dragging).
OnLabelAdd();
// Undefine the enclosing polygon pointer so that the cursor
// will become gray as the user moves the mouse out of the polygon.
m_Polygon = null;
// Draw it. Note that if the new label replaces an old label,
// the AddNewLabel call explicitly erases it, but something
// from within a subsequent CleanEdit call re-draws it in
// red. To get around that, ensure it's erased again here.
// ...changes made elsewhere may now make this redundant
//if (pLabel)
//{
// if (pOldLabel)
// pOldLabel->Erase();
// GetpWnd()->Draw(pLabel, COL_BLACK);
//}
// Get the info for the next label.
return(GetLabelInfo());
}
/// <summary>
/// Update a previously added item of text.
/// </summary>
/// <param name="label">The previously added text.</param>
/// <returns>TRUE if an update was made.</returns>
internal override bool UpdateLabel(TextFeature label)
{
throw new NotImplementedException("NewTextUI.UpdateLabel");
//// The label MUST be miscellaneous text.
//MiscTextGeometry text = (label.TextGeometry as MiscTextGeometry);
//if (text==null)
// throw new Exception("Can only update miscellaneous text.");
//// Display dialog to get info.
//NewTextForm dial = new NewTextForm(label);
//if (dial.ShowDialog() != DialogResult.OK)
//{
// dial.Dispose();
// return false;
//}
//// Confirm that the entity type has been specified.
//IEntity ent = dial.EntityType;
//if (ent==null)
//{
// MessageBox.Show("Text type must be specified.");
// return false;
//}
//// Confirm that the new text is defined.
//m_NewText = dial.EnteredText.Trim();
//if (m_NewText.Length==0)
//{
// MessageBox.Show("You cannot delete text this way.");
// return false;
//}
//// Set the new text (this removes the old text from the
//// spatial index, changes the text, and re-indexes).
//text.SetText(label, m_NewText);
//// Change the text's entity type.
//if (ent.Id != label.EntityType.Id)
// label.EntityType = ent;
//// Redraw the text.
//label.Draw(ActiveDisplay, Color.Black);
//return true;
}
/// <summary>
/// Creates a new polygon label in the map.
/// </summary>
/// <param name="posn">Reference position for the label.</param>
/// <returns>The text feature that was added.</returns>
internal override TextFeature AddNewLabel(IPosition posn)
{
Debug.Assert(m_Polygon != null);
CadastralMapModel map = CadastralMapModel.Current;
TextFeature newLabel = null;
// Confirm that the polygon ID has been reserved.
if (!m_PolygonId.IsReserved)
{
MessageBox.Show("NewLabelUI.AddNewLabel - No polygon ID");
return(null);
}
/*
* // Check whether another label exists in the specified
* // polygon, but on a layer that is derived from the current
* // editing layer. If so, note the entity type and free the
* // supplied ID.
*
* // SS20080421 - This bit of code was used to check whether the polygon
* // was already labelled on a derived layer, in which case the ID would
* // be promoted to the current layer. However, it's difficult to continue
* // with that logic, since the polygon object is no longer shared with
* // any other layer (and won't even exist unless you switch to another
* // editing layer). Even if the structure was unchanged, I'm not convinced
* // that it's good to define the ID on the basis of something that the user
* // can't actually see (if this were to be done, the user should have been
* // told already, since an explicitly specified ID would be disregarded here).
*
* CeLabel* pOldLabel = m_pPolygon->GetBaseLabel();
* const CeEntity* pEnt=0;
*
* if ( pOldLabel ) {
* pEnt = m_PolygonId.GetpEntity();
* m_PolygonId.FreeId();
* }
*/
// Execute the edit
NewTextOperation txop = null;
try
{
if (m_Template != null && m_LastRow != null)
{
// Save the attributes in the database
IDataServer ds = EditingController.Current.DataServer;
if (ds == null)
{
throw new InvalidOperationException("No database available");
}
ds.SaveRow(m_LastRow);
NewRowTextOperation op = new NewRowTextOperation();
txop = op;
op.Execute(posn, m_PolygonId, m_LastRow, m_Template, m_Polygon, Height, Width, Rotation);
// Confirm that the row got cross-referenced to an ID (not
// sure what the above ends up doing).
//if (m_LastRow.GetpId()==null)
//{
// MessageBox.Show("Attributes were not attached to an ID");
// return null;
//}
}
else
{
NewKeyTextOperation op = new NewKeyTextOperation();
txop = op;
op.Execute(posn, m_PolygonId, m_Polygon, Height, Width, Rotation);
}
newLabel = txop.Text;
}
catch (Exception ex)
{
MessageBox.Show(ex.StackTrace, ex.Message);
}
return(newLabel);
}
/// <summary>
/// Initializes a new instance of the <see cref="NewTextOperation"/> class.
/// </summary>
protected NewTextOperation()
: base()
{
m_NewText = null;
}
/// <summary>
/// Reads data that was previously written using <see cref="WriteData"/>
/// </summary>
/// <param name="editDeserializer">The mechanism for reading back content.</param>
/// <param name="label">The polygon label that was modified</param>
/// <param name="newPosition">The revised position of the reference point.</param>
/// <param name="oldPosition">The original position of the reference point.</param>
static void ReadData(EditDeserializer editDeserializer, out TextFeature label, out PointGeometry newPosition,
out PointGeometry oldPosition)
{
label = editDeserializer.ReadFeatureRef<TextFeature>(DataField.Label);
newPosition = editDeserializer.ReadPointGeometry(DataField.NewX, DataField.NewY);
if (editDeserializer.IsNextField(DataField.OldX))
oldPosition = editDeserializer.ReadPointGeometry(DataField.OldX, DataField.OldY);
else
oldPosition = null;
}
/// <summary>
/// Defines the text created by this edit
/// </summary>
/// <param name="label">The created text (not null)</param>
internal void SetText(TextFeature label)
{
m_NewText = label;
}