/// <summary>
/// Counts the number of incoming relationships from node where the cursor is positioned.
/// <para>
/// NOTE: The number of incoming relationships also includes eventual loops.
///
/// </para>
/// </summary>
/// <param name="nodeCursor"> a cursor positioned at the node whose relationships we're counting </param>
/// <param name="cursors"> a factory for cursors </param>
/// <returns> the number of incoming - including loops - relationships from the node </returns>
public static int CountIncoming(NodeCursor nodeCursor, CursorFactory cursors)
{
if (nodeCursor.Dense)
{
using (RelationshipGroupCursor group = cursors.AllocateRelationshipGroupCursor())
{
nodeCursor.Relationships(group);
int count = 0;
while (group.next())
{
count += group.IncomingCount() + group.LoopCount();
}
return(count);
}
}
else
{
using (RelationshipTraversalCursor traversal = cursors.AllocateRelationshipTraversalCursor())
{
int count = 0;
nodeCursor.AllRelationships(traversal);
while (traversal.next())
{
if (traversal.TargetNodeReference() == nodeCursor.NodeReference())
{
count++;
}
}
return(count);
}
}
}
/// <summary>
/// Counts the number of outgoing relationships of the given type from node where the cursor is positioned.
/// <para>
/// NOTE: The number of outgoing relationships also includes eventual loops.
///
/// </para>
/// </summary>
/// <param name="nodeCursor"> a cursor positioned at the node whose relationships we're counting </param>
/// <param name="cursors"> a factory for cursors </param>
/// <param name="type"> the type of the relationship we're counting </param>
/// <returns> the number of outgoing - including loops - relationships from the node with the given type </returns>
public static int CountOutgoing(NodeCursor nodeCursor, CursorFactory cursors, int type)
{
if (nodeCursor.Dense)
{
using (RelationshipGroupCursor group = cursors.AllocateRelationshipGroupCursor())
{
nodeCursor.Relationships(group);
while (group.next())
{
if (group.Type() == type)
{
return(group.OutgoingCount() + group.LoopCount());
}
}
return(0);
}
}
else
{
using (RelationshipTraversalCursor traversal = cursors.AllocateRelationshipTraversalCursor())
{
int count = 0;
nodeCursor.AllRelationships(traversal);
while (traversal.next())
{
if (traversal.SourceNodeReference() == nodeCursor.NodeReference() && traversal.Type() == type)
{
count++;
}
}
return(count);
}
}
}
public override void MouseMove(MouseEvent ev)
{
IDrawingView view = ev.View;
Widget widget = (Widget)view;
IHandle handle = view.FindHandle(ev.X, ev.Y);
if (handle != null)
{
widget.GdkWindow.Cursor = handle.CreateCursor();
}
else
{
IFigure figure = view.Drawing.FindFigure(ev.X, ev.Y);
if (figure != null)
{
widget.GdkWindow.Cursor = CursorFactory.GetCursorFromType(Gdk.CursorType.Fleur);
}
else
{
widget.GdkWindow.Cursor = null;
}
}
if (DelegateTool != null)
{
DelegateTool.MouseMove(ev);
}
}
public override void MouseDown(MouseEvent ev)
{
base.MouseDown(ev);
IDrawingView view = ev.View;
if (IsRightButtonPressed(ev))
{
DelegateTool = new PanTool(Editor, CursorFactory.GetCursorFromType(Gdk.CursorType.Arrow));
}
else
{
IHandle handle = view.FindHandle(ev.X, ev.Y);
if (handle != null)
{
DelegateTool = new HandleTracker(Editor, new UndoableHandle(handle));
}
else
{
IFigure figure = view.Drawing.FindFigure(ev.X, ev.Y);
if (figure != null)
{
DelegateTool = figure.CreateFigureTool(Editor, new DragTool(Editor, figure));
}
else
{
DelegateTool = new SelectAreaTool(Editor);
}
}
}
if (DelegateTool != null)
{
DelegateTool.MouseDown(ev);
}
}
/// <summary>
/// Counts all the relationships of the given type from node where the cursor is positioned.
/// </summary>
/// <param name="nodeCursor"> a cursor positioned at the node whose relationships we're counting </param>
/// <param name="cursors"> a factory for cursors </param>
/// <param name="type"> the type of the relationship we're counting </param>
/// <returns> the number relationships from the node with the given type </returns>
public static int CountAll(NodeCursor nodeCursor, CursorFactory cursors, int type)
{
if (nodeCursor.Dense)
{
using (RelationshipGroupCursor group = cursors.AllocateRelationshipGroupCursor())
{
nodeCursor.Relationships(group);
int count = 0;
while (group.next())
{
if (group.Type() == type)
{
return(group.TotalCount());
}
}
return(count);
}
}
else
{
using (RelationshipTraversalCursor traversal = cursors.AllocateRelationshipTraversalCursor())
{
int count = 0;
nodeCursor.AllRelationships(traversal);
while (traversal.next())
{
if (traversal.Type() == type)
{
count++;
}
}
return(count);
}
}
}
/// <summary>
/// Выбираем текущий инструмент - карандаш
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void tsbPencil_Click(object sender, EventArgs e)
{
UncheckedTools();
tsbPencil.Checked = true;
workArea.Cursor = CursorFactory.GetCursor(UserCursor.Pencil);
tool = PenTool; // указываем на рабочий караннаш
doc.SetTool(tool);
}
/// <summary>
/// Выбираем текущий инструмент - ластик
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void tsbRibber_Click(object sender, EventArgs e)
{
UncheckedTools();
tsbRibber.Checked = true;
workArea.Cursor = CursorFactory.GetCursor(UserCursor.Ribber);
tool = RibberTool; // указываем на рабочий ластик
doc.SetTool(tool);
}
internal SchemaCalculator(Transaction ktx)
{
this._dataRead = ktx.DataRead();
this._tokenRead = ktx.TokenRead();
this._cursors = ktx.Cursors();
// the only one that is common for both nodes and rels so thats why we can do it here
_propertyIdToPropertyNameMapping = new Dictionary <int, string>(_tokenRead.propertyKeyCount());
AddNamesToCollection(_tokenRead.propertyKeyGetAllTokens(), _propertyIdToPropertyNameMapping);
}
private VertexMarker CreateMarker(MarkerType markerType, PointF point, int index, Figure fig)
{
var marker = new VertexMarker
{
MarkerType = markerType,
Cursor = CursorFactory.GetCursor(UserCursor.SizeAll),
Position = point,
Index = index,
Owner = fig
};
return(marker);
}
/// <summary>
/// Создание маркера
/// </summary>
/// <param name="type">Тип маркера</param>
/// <param name="posX">Нормированная координата маркера по горизонтали</param>
/// <param name="posY">Нормированная координата маркера по вертикали</param>
/// <param name="cursor">Курсор на маркере</param>
/// <param name="anchorX">Нормированная координата якоря по горизонтали</param>
/// <param name="anchorY">Нормированная координата якоря по вертикали</param>
/// <param name="offsetX">Смещение координаты якоря по горизонтали </param>
/// <param name="offsetY">Смещение координаты якоря по вертикали</param>
/// <returns></returns>
private Marker CreateMarker(MarkerType type, float posX, float posY, UserCursor cursor,
float anchorX, float anchorY, float offsetX = 0, float offsetY = 0)
{
var normPoint = new PointF(posX, posY);
var anchPoint = new PointF(anchorX, anchorY);
return(new Marker
{
MarkerType = type,
Cursor = CursorFactory.GetCursor(cursor),
Position = _selection.ToWorldCoordinates(normPoint).Add(new PointF(offsetX, offsetY)),
AnchorPosition = _selection.ToWorldCoordinates(anchPoint)
});
}
public override void MouseMove(MouseEvent ev)
{
Widget widget = (Widget)ev.View;
IFigure figure = ev.View.Drawing.FindFigure(ev.X, ev.Y);
if (figure != null)
{
widget.GdkWindow.Cursor = CursorFactory.GetCursorFromType(Gdk.CursorType.SbHDoubleArrow);
}
else
{
widget.GdkWindow.Cursor = CursorFactory.GetCursorFromType(Gdk.CursorType.Crosshair);
}
}
/// <summary>
/// Performs an index seek.
/// </summary>
/// <param name="read"> The Read instance to use for seeking </param>
/// <param name="cursors"> Used for cursor allocation </param>
/// <param name="index"> A reference to an index </param>
/// <param name="value"> The value to seek for </param>
/// <returns> A cursor positioned at the data found in index. </returns>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public static org.neo4j.internal.kernel.api.NodeValueIndexCursor indexSeek(org.neo4j.internal.kernel.api.Read read, org.neo4j.internal.kernel.api.CursorFactory cursors, org.neo4j.internal.kernel.api.IndexReference index, Object value) throws org.neo4j.internal.kernel.api.exceptions.KernelException
public static NodeValueIndexCursor IndexSeek(Read read, CursorFactory cursors, IndexReference index, object value)
{
Debug.Assert(index.Properties().Length == 1);
if (value == Values.NO_VALUE || value == null)
{
return([email protected]_Fields.Empty);
}
else
{
NodeValueIndexCursor cursor = cursors.AllocateNodeValueIndexCursor();
IndexQuery.ExactPredicate query = exact(index.Properties()[0], makeValueNeoSafe(value));
read.NodeIndexSeek(index, cursor, IndexOrder.NONE, false, query);
return(cursor);
}
}
/// <summary>
/// Returns a multi-directed selection cursor given the provided node cursor and relationship types.
/// </summary>
/// <param name="cursors"> A cursor factor used for allocating the needed cursors </param>
/// <param name="node"> A node cursor positioned at the current node. </param>
/// <param name="types"> The types of the relationship </param>
/// <returns> A cursor that allows traversing the relationship chain. </returns>
public static RelationshipSelectionCursor AllCursor(CursorFactory cursors, NodeCursor node, int[] types)
{
if (node.Dense)
{
RelationshipDenseSelectionCursor selectionCursor = new RelationshipDenseSelectionCursor();
SetupAllDense(selectionCursor, cursors, node, types);
return(selectionCursor);
}
else
{
RelationshipSparseSelectionCursor selectionCursor = new RelationshipSparseSelectionCursor();
SetupAllSparse(selectionCursor, cursors, node, types);
return(selectionCursor);
}
}
/// <summary>
/// Returns a multi-directed resource iterator given the provided node cursor, direction and relationship types.
/// </summary>
/// <param name="cursors"> A cursor factor used for allocating the needed cursors </param>
/// <param name="node"> A node cursor positioned at the current node. </param>
/// <param name="types"> The types of the relationship </param>
/// <param name="factory"> factory for creating instance of generic type T </param>
/// <returns> An iterator that allows traversing the relationship chain. </returns>
public static ResourceIterator <T> AllIterator <T>(CursorFactory cursors, NodeCursor node, int[] types, RelationshipFactory <T> factory)
{
if (node.Dense)
{
RelationshipDenseSelectionIterator <T> selectionIterator = new RelationshipDenseSelectionIterator <T>(factory);
SetupAllDense(selectionIterator, cursors, node, types);
return(selectionIterator);
}
else
{
RelationshipSparseSelectionIterator <T> selectionIterator = new RelationshipSparseSelectionIterator <T>(factory);
SetupAllSparse(selectionIterator, cursors, node, types);
return(selectionIterator);
}
}
private static void SetupAllDense(RelationshipDenseSelection denseSelection, CursorFactory cursors, NodeCursor node, int[] types)
{
RelationshipGroupCursor groupCursor = cursors.AllocateRelationshipGroupCursor();
RelationshipTraversalCursor traversalCursor = cursors.AllocateRelationshipTraversalCursor();
try
{
node.Relationships(groupCursor);
denseSelection.All(groupCursor, traversalCursor, types);
}
catch (Exception t)
{
groupCursor.close();
traversalCursor.close();
throw t;
}
}
public override void MouseDown(MouseEvent ev)
{
base.MouseDown(ev);
IDrawingView view = ev.View;
IFigure figure = view.Drawing.FindFigure(ev.X, ev.Y);
if (ev.IsRightButtonPressed())
{
ITool defaultTool = new PanTool(Editor, CursorFactory.GetCursorFromType(Gdk.CursorType.Arrow));
if (figure != null)
{
DelegateTool = figure.CreateFigureTool(this, Editor, defaultTool, ev);
}
else
{
//if it didn't hit figure then allow panning
DelegateTool = defaultTool;
}
}
else
{
IHandle handle = view.FindHandle(ev.X, ev.Y);
if (handle != null)
{
DelegateTool = new HandleTracker(Editor, new UndoableHandle(handle));
}
else
{
if (figure != null)
{
ITool dragTool = new DragTool(Editor, figure);
DelegateTool = figure.CreateFigureTool(this, Editor, dragTool, ev);
}
else
{
DelegateTool = new SelectAreaTool(Editor);
}
}
}
if (DelegateTool != null)
{
DelegateTool.MouseDown(ev);
}
}
/// <summary>
/// Выбор фигур для последующего создания
/// </summary>
private void btnCreateFigure_Click(object sender, EventArgs e)
{
_selectionController.Clear();
Func <Figure> figureCreator = null;
Cursor figureCreatorCursor = CursorFactory.GetCursor(UserCursor.SelectByRibbonRect);
if (sender == tsbPointer)
{
figureCreatorCursor = Cursors.Default;
Cursor = Cursors.Default;
tsbPointer.Enabled = false;
_selectionController.CreateFigureCursor = figureCreatorCursor;
_selectionController.CreateFigureRequest = figureCreator;
return;
}
tsbPointer.Enabled = true;
//
if (sender == btnRectangle || sender == tsbRect)
{
figureCreatorCursor = Cursor = CursorFactory.GetCursor(UserCursor.CreateRect);
figureCreator = () =>
{
var fig = new Figure();
FigureBuilder.BuildRectangleGeometry(fig);
return(fig);
};
}
else if (sender == btnRoundedRectangle)
{
figureCreatorCursor = Cursor = CursorFactory.GetCursor(UserCursor.CreateRect);
figureCreator = () =>
{
var fig = new Figure();
FigureBuilder.BuildRoundedRectangleGeometry(fig, 0.25f);
return(fig);
};
}
//
_selectionController.CreateFigureCursor = figureCreatorCursor;
_selectionController.CreateFigureRequest = figureCreator;
}
private void OnCursorTokenChanged(object sender, EventArgs e)
{
if (_tileController == null)
{
return;
}
if (_tileController.CursorToken == null)
{
this.Cursor = this.DefaultCursor;
if (_currentCursorWrapper != null)
{
_currentCursorWrapper.Dispose();
_currentCursorWrapper = null;
}
}
else
{
try
{
CursorWrapper oldCursorWrapper = _currentCursorWrapper;
_currentCursorWrapper = CursorFactory.CreateCursor(_tileController.CursorToken);
this.Cursor = _currentCursorWrapper.Cursor;
if (oldCursorWrapper != null)
{
oldCursorWrapper.Dispose();
}
}
catch (Exception exception)
{
Platform.Log(LogLevel.Error, exception);
this.Cursor = this.DefaultCursor;
_currentCursorWrapper = null;
}
}
}
/// <summary>
/// Создаём пустой документ
/// </summary>
private void CreateNewDocument(int width = 1000, int height = 1000)
{
doc = new Document
{
Layer = new Bitmap(width, height)
};
// экземпляр контроллера для механизма отменить/вернуть
undoRedoController = new UndoRedoController(doc);
// задаём размер холста
workArea.Size = new Size(doc.Layer.Width, doc.Layer.Height);
workArea.Cursor = CursorFactory.GetCursor(UserCursor.Pencil);
// начальные настройки инструментов
UncheckedTools();
tsbPencil.Checked = true;
foreach (var item in tsbPencilThickness.DropDownItems.Cast <ToolStripMenuItem>())
{
item.Checked = false;
}
tsmiPencilThicknessOne.Checked = true;
penTool = null;
tool = PenTool;
doc.SetTool(tool);
penToolColorImage = null;
tsbPencilColor.Image = PenToolColorImage;
tsbPencilColor.Invalidate();
foreach (var item in tsbRibberThickness.DropDownItems.Cast <ToolStripMenuItem>())
{
item.Checked = false;
}
tsmiRibberThicknessFour.Checked = true;
ribberTool = null;
ribberToolColorImage = null;
tsbRibberColor.Image = RibberToolColorImage;
tsbRibberColor.Invalidate();
// очистка истории отмен
UndoRedoManager.Instance.ClearHistory();
}
public override void Activate()
{
base.Activate();
Gtk.Widget widget = Editor.View as Gtk.Widget;
widget.GdkWindow.Cursor = CursorFactory.GetCursorFromType(CursorType.Crosshair);
}
/// <summary>
/// Форма курсора в зависимости от контекста
/// </summary>
/// <param name="location">Позиция курсора</param>
/// <param name="modifierKeys">Какие клавиши были ещё нажаты в этот момент</param>
/// <param name="button">Нажатая кнопка мышки</param>
/// <returns>Настроенный курсор</returns>
public Cursor GetCursor(Point location, Keys modifierKeys, MouseButtons button)
{
var point = Point.Ceiling(new PointF(location.X / ScaleFactor, location.Y / ScaleFactor));
if (CreateFigureRequest != null)
{
return(CreateFigureCursor);
}
switch (EditorMode)
{
// для базовых режимов настраиваем вид курсора на маркерах
case EditorMode.Select:
case EditorMode.Skew:
case EditorMode.Warp:
case EditorMode.Verticies:
Marker marker;
if (FindMarkerAt(point, out marker))
{
return(modifierKeys.HasFlag(Keys.Control) && marker.MarkerType == MarkerType.Vertex
? CursorFactory.GetCursor(UserCursor.RemoveVertex)
: marker.Cursor);
}
Figure fig;
if (_selection.FindFigureAt(_layer, point, out fig))
{
if (EditorMode == EditorMode.Verticies &&
_selection.Contains(fig) && _selection.IsHit(_layer, point) &&
modifierKeys.HasFlag(Keys.Control))
{
return(CursorFactory.GetCursor(UserCursor.AddVertex));
}
return(CursorFactory.GetCursor(UserCursor.MoveAll));
}
return(Cursors.Default);
case EditorMode.FrameSelect:
return(_lastMode == EditorMode.Verticies
? Cursors.Default
: CursorFactory.GetCursor(UserCursor.SelectByRibbonRect));
case EditorMode.AddLine:
return(CursorFactory.GetCursor(UserCursor.CreatePolyline));
case EditorMode.CreateFigure:
return(CreateFigureCursor);
// когда тащим фигуры
case EditorMode.Drag:
return(_selection.Count > 0
? modifierKeys.HasFlag(Keys.Control)
? CursorFactory.GetCursor(UserCursor.DragCopy)
: CursorFactory.GetCursor(UserCursor.SizeAll)
: _lastMode == EditorMode.Verticies
? Cursors.Default
: CursorFactory.GetCursor(UserCursor.SelectByRibbonRect));
// когда изменяем масштабируем, меняем ширину/высоту, вращаем или искажаем
case EditorMode.ChangeGeometry:
if (button == MouseButtons.Left && _lastMode == EditorMode.Verticies)
{
return(CursorFactory.GetCursor(UserCursor.MoveVertex));
}
return(_movedMarker.Cursor);
}
return(Cursors.Default);
}
private static void SetupAllSparse(RelationshipSparseSelection sparseSelection, CursorFactory cursors, NodeCursor node, int[] types)
{
RelationshipTraversalCursor traversalCursor = cursors.AllocateRelationshipTraversalCursor();
try
{
node.AllRelationships(traversalCursor);
sparseSelection.All(traversalCursor, types);
}
catch (Exception t)
{
traversalCursor.close();
throw t;
}
}
private void ShowTimerCircleCursor()
{
dispatcher.Invoke(DispatcherPriority.Normal, (Action) delegate { cursor = CursorFactory.CreateTimeCircleCursor(Location.X, Location.Y); });
}
private void ShowClickCursor()
{
dispatcher.Invoke(DispatcherPriority.Normal, (Action) delegate { CursorFactory.CreateClickCursor(Location.X, Location.Y); });
}
public override Gdk.Cursor CreateCursor()
{
return(CursorFactory.GetCursorFromType(Gdk.CursorType.RightSide));
}
public override Gdk.Cursor CreateCursor()
{
return(CursorFactory.GetCursorFromType(Gdk.CursorType.BottomRightCorner));
}
public override Gdk.Cursor CreateCursor()
{
return(CursorFactory.GetCursorFromType(Gdk.CursorType.TopLeftCorner));
}
internal ManagedTestCursors(CursorFactory c)
{
this._cursors = c;
}
// END // HERZUM SPRINT 2.5 TLAB-136
// END HERZUM SPRINT 2.0 TLAB-136-2
public override void MouseDown(MouseEvent ev)
{
base.MouseDown(ev);
IDrawingView view = ev.View;
// HERZUM SPRINT 2.5 TLAB-136
if (!mouseUp)
{
return;
}
else
{
mouseUp = false;
mouseDown = true;
}
// HERZUM SPRINT 2.5 TLAB-136
// HERZUM SPRINT 2.0 TLAB-136-2
/*
* if (x!=-1 && (x != ev.X || y != ev.Y)){
* x = ev.X;
* y = ev.Y;
* }
* else if (x == ev.X && y == ev.Y)
* return;
* else {
* x = ev.X;
* y = ev.Y;
* }
*/
// END HERZUM SPRINT 2.5 TLAB-136
// END HERZUM SPRINT 2.2 TLAB-136-2
IFigure figure = view.Drawing.FindFigure(ev.X, ev.Y);
if (ev.IsRightButtonPressed())
{
ITool defaultTool = new PanTool(Editor, CursorFactory.GetCursorFromType(Gdk.CursorType.Arrow));
if (figure != null)
{
DelegateTool = figure.CreateFigureTool(this, Editor, defaultTool, ev);
}
else
{
//if it didn't hit figure then allow panning
DelegateTool = defaultTool;
}
}
else
{
IHandle handle = view.FindHandle(ev.X, ev.Y);
if (handle != null)
{
DelegateTool = new HandleTracker(Editor, new UndoableHandle(handle));
}
else
{
if (figure != null)
{
ITool dragTool = new DragTool(Editor, figure);
DelegateTool = figure.CreateFigureTool(this, Editor, dragTool, ev);
}
else
{
DelegateTool = new SelectAreaTool(Editor);
}
}
}
if (DelegateTool != null)
{
DelegateTool.MouseDown(ev);
}
}
/// <summary>
/// 項目ラベルマウス移動時の処理
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnItemLabelMouseMove(object sender, MouseEventArgs e)
{
// ドラッグアンドドロップが無効ならば何もしない
if (!AllowDragDrop)
{
return;
}
// ドラッグ中でなければ何もしない
if (_dragPoint == Point.Empty)
{
return;
}
Label label = sender as Label;
if (label == null)
{
return;
}
// ドラッグ判定サイズを超えていなければ何もしない
Size dragSize = SystemInformation.DragSize;
Rectangle dragRect = new Rectangle(_dragPoint.X - dragSize.Width / 2, _dragPoint.Y - dragSize.Height / 2,
dragSize.Width, dragSize.Height);
if (dragRect.Contains(label.Left + e.X, label.Top + e.Y))
{
return;
}
TechLabelInfo info = label.Tag as TechLabelInfo;
if (info == null)
{
return;
}
// カーソル画像を作成する
Bitmap bitmap = new Bitmap(label.Width, label.Height);
bitmap.MakeTransparent(bitmap.GetPixel(0, 0));
label.DrawToBitmap(bitmap, new Rectangle(0, 0, label.Width, label.Height));
if (info.Item is TechItem)
{
_dragCursor = CursorFactory.CreateCursor(bitmap, _techLabelMask, _dragPoint.X - label.Left,
_dragPoint.Y - label.Top);
}
else if (info.Item is TechLabel)
{
_dragCursor = CursorFactory.CreateCursor(bitmap, _dragPoint.X - label.Left,
_dragPoint.Y - label.Top);
}
else
{
_dragCursor = CursorFactory.CreateCursor(bitmap, _eventLabelMask, _dragPoint.X - label.Left,
_dragPoint.Y - label.Top);
}
// ドラッグアンドドロップを開始する
label.DoDragDrop(sender, DragDropEffects.Move);
// ドラッグ状態を解除する
_dragPoint = Point.Empty;
_dragCursor.Dispose();
bitmap.Dispose();
}