/// <summary>
/// The overview rectangle should only appear selected if the <see cref="T:Northwoods.Go.GoOverview" />
/// supports resizing (i.e. <see cref="P:Northwoods.Go.GoView.AllowSelect" /> and <see cref="P:Northwoods.Go.GoView.AllowResize" /> are true),
/// and even then the handles will not be seen since their <see cref="T:Northwoods.Go.GoHandle" />.<see cref="T:Northwoods.Go.GoHandleStyle" />
/// is <see cref="F:Northwoods.Go.GoHandleStyle.None" />.
/// </summary>
/// <param name="sel"></param>
/// <param name="selectedObj"></param>
public override void AddSelectionHandles(GoSelection sel, GoObject selectedObj)
{
GoView view = sel.View;
if (view != null && view.CanSelectObjects() && view.CanResizeObjects())
{
view.ResizeHandleSize = new SizeF(4f / view.DocScale, 4f / view.DocScale);
RemoveSelectionHandles(sel);
RectangleF bounds = Bounds;
GoHandle goHandle = sel.CreateResizeHandle(this, selectedObj, new PointF(bounds.Left, bounds.Top), 2, filled: true) as GoHandle;
if (goHandle != null)
{
goHandle.Style = GoHandleStyle.None;
}
goHandle = (sel.CreateResizeHandle(this, selectedObj, new PointF(bounds.Right, bounds.Top), 4, filled: true) as GoHandle);
if (goHandle != null)
{
goHandle.Style = GoHandleStyle.None;
}
goHandle = (sel.CreateResizeHandle(this, selectedObj, new PointF(bounds.Right, bounds.Bottom), 8, filled: true) as GoHandle);
if (goHandle != null)
{
goHandle.Style = GoHandleStyle.None;
}
goHandle = (sel.CreateResizeHandle(this, selectedObj, new PointF(bounds.Left, bounds.Bottom), 16, filled: true) as GoHandle);
if (goHandle != null)
{
goHandle.Style = GoHandleStyle.None;
}
}
}
/// <summary>
/// Create a new selection object containing an image of all of the real selected objects.
/// </summary>
/// <returns>a new <see cref="T:Northwoods.Go.GoSelection" /> holding view objects that represent the
/// objects in the <see cref="P:Northwoods.Go.GoView.Selection" /></returns>
/// <remarks>
/// This creates a new <see cref="T:Northwoods.Go.GoSelection" /> for this view.
/// The objects that are in this selection have been added to the default
/// layer of the view.
/// </remarks>
public virtual GoSelection CreateDragSelection()
{
GoSelection goSelection = new GoSelection(null);
PointF position = base.CurrentObject.Position;
SizeF offset = GoTool.SubtractPoints(base.CurrentObject.Location, position);
GoDragRectangle goDragRectangle = new GoDragRectangle();
goDragRectangle.Bounds = base.CurrentObject.Bounds;
goDragRectangle.Offset = offset;
goDragRectangle.Visible = false;
base.View.Layers.Default.Add(goDragRectangle);
goSelection.Add(goDragRectangle);
GoCollection goCollection = new GoCollection();
goCollection.InternalChecksForDuplicates = false;
foreach (GoObject item in (EffectiveSelection != null) ? EffectiveSelection : base.Selection)
{
goCollection.Add(item.DraggingObject);
}
base.View.Document.Layers.SortByZOrder(goCollection);
RectangleF bounds = GoDocument.ComputeBounds(goCollection, base.View);
float num = 1E+21f;
float num2 = 1E+21f;
foreach (GoObject item2 in goCollection)
{
if (item2.Top < num)
{
num = item2.Top;
}
if (item2.Left < num2)
{
num2 = item2.Left;
}
}
float num3 = base.View.WorldScale.Width;
if (bounds.Width * num3 > 2000f || bounds.Height * num3 > 2000f)
{
num3 *= Math.Min(2000f / (bounds.Width * num3), 2000f / (bounds.Height * num3));
}
Bitmap bitmapFromCollection = base.View.GetBitmapFromCollection(goCollection, bounds, num3, paper: false);
GoDragImage goDragImage = new GoDragImage();
goDragImage.Image = bitmapFromCollection;
goDragImage.Bounds = new RectangleF(bounds.X, bounds.Y, (float)bitmapFromCollection.Width / num3, (float)bitmapFromCollection.Height / num3);
if (num < 1E+21f && num2 < 1E+21f)
{
goDragImage.Offset = new SizeF(num2 - bounds.X + offset.Width, num - bounds.Y + offset.Height);
}
else
{
goDragImage.Offset = offset;
}
base.View.Layers.Default.Add(goDragImage);
goSelection.Add(goDragImage);
return(goSelection);
}
/// <summary>
/// If Resizable and Reshapable, support individual triangle vertex
/// resize handles.
/// </summary>
/// <param name="sel"></param>
/// <param name="selectedObj"></param>
public override void AddSelectionHandles(GoSelection sel, GoObject selectedObj)
{
if (!CanResize() || !CanReshape())
{
base.AddSelectionHandles(sel, selectedObj);
return;
}
PointF pointF = default(PointF);
PointF pointF2 = default(PointF);
PointF pointF3 = default(PointF);
PointF pointF4 = default(PointF);
bool flag = A.X <= B.X;
bool flag2 = A.Y <= D.Y;
sel.RemoveHandles(this);
if (flag && flag2)
{
pointF = A;
pointF2 = B;
pointF3 = D;
pointF4 = C;
}
else if (!flag && flag2)
{
pointF = B;
pointF2 = A;
pointF3 = C;
pointF4 = D;
}
else if (flag && !flag2)
{
pointF = D;
pointF2 = C;
pointF3 = A;
pointF4 = B;
}
else
{
pointF = C;
pointF2 = D;
pointF3 = B;
pointF4 = A;
}
PointF loc = new PointF((pointF.X + pointF3.X) / 2f, (pointF.Y + pointF3.Y) / 2f);
sel.CreateResizeHandle(this, selectedObj, loc, 256, filled: true);
loc = new PointF((pointF2.X + pointF4.X) / 2f, (pointF2.Y + pointF4.Y) / 2f);
sel.CreateResizeHandle(this, selectedObj, loc, 64, filled: true);
loc = new PointF((pointF.X + pointF2.X) / 2f, (pointF.Y + pointF2.Y) / 2f);
sel.CreateResizeHandle(this, selectedObj, loc, 32, filled: true);
loc = new PointF((pointF3.X + pointF4.X) / 2f, (pointF3.Y + pointF4.Y) / 2f);
sel.CreateResizeHandle(this, selectedObj, loc, 128, filled: true);
sel.CreateResizeHandle(this, selectedObj, A, 1034, filled: true);
sel.CreateResizeHandle(this, selectedObj, B, 1035, filled: true);
sel.CreateResizeHandle(this, selectedObj, C, 1036, filled: true);
sel.CreateResizeHandle(this, selectedObj, D, 1037, filled: true);
}
/// <summary>
/// When <see cref="P:Northwoods.Go.GoBalloon.Reanchorable" /> is true, add a special handle that lets the user change the <see cref="P:Northwoods.Go.GoBalloon.Anchor" />
/// by dragging the end point of the balloon to another object.
/// </summary>
/// <param name="sel"></param>
/// <param name="selectedObj"></param>
public override void AddSelectionHandles(GoSelection sel, GoObject selectedObj)
{
base.AddSelectionHandles(sel, selectedObj);
if (Reanchorable)
{
IGoHandle handle = sel.CreateResizeHandle(this, selectedObj, ComputeAnchorPoint(), 1026, filled: true);
MakeDiamondResizeHandle(handle, 1);
}
}
/// <summary>
/// If <see cref="M:Northwoods.Go.GoObject.CanReshape" /> and <see cref="P:Northwoods.Go.GoCube.ReshapableDepth" />
/// are true, this supports a depth control handle.
/// </summary>
/// <param name="sel"></param>
/// <param name="selectedObj"></param>
public override void AddSelectionHandles(GoSelection sel, GoObject selectedObj)
{
base.AddSelectionHandles(sel, selectedObj);
if (CanReshape() && ReshapableDepth)
{
PointF loc = getPoints()[1];
IGoHandle handle = sel.CreateResizeHandle(this, selectedObj, loc, 1033, filled: true);
MakeDiamondResizeHandle(handle, 1);
}
}
/// <summary>
/// If Resizable and Reshapable, support individual triangle vertex
/// resize handles.
/// </summary>
/// <param name="sel"></param>
/// <param name="selectedObj"></param>
public override void AddSelectionHandles(GoSelection sel, GoObject selectedObj)
{
if (!CanResize() || !CanReshape())
{
base.AddSelectionHandles(sel, selectedObj);
return;
}
sel.RemoveHandles(this);
sel.CreateResizeHandle(this, selectedObj, A, 8192, filled: true);
sel.CreateResizeHandle(this, selectedObj, B, 8193, filled: true);
sel.CreateResizeHandle(this, selectedObj, C, 8194, filled: true);
}
/// <summary>
/// If <see cref="M:Northwoods.Go.GoObject.CanReshape" /> and <see cref="P:Northwoods.Go.GoParallelogram.ReshapableSkew" />
/// are true, this supports a skew control handle.
/// </summary>
/// <param name="sel"></param>
/// <param name="selectedObj"></param>
public override void AddSelectionHandles(GoSelection sel, GoObject selectedObj)
{
base.AddSelectionHandles(sel, selectedObj);
if (CanReshape() && ReshapableSkew)
{
RectangleF bounds = Bounds;
SizeF skew = Skew;
PointF pointF = default(PointF);
pointF = (Direction ? new PointF(bounds.X + skew.Width, bounds.Y + skew.Height) : new PointF(bounds.X + bounds.Width - skew.Width, bounds.Y + skew.Height));
IGoHandle handle = sel.CreateResizeHandle(this, selectedObj, pointF, 1038, filled: true);
MakeDiamondResizeHandle(handle, 1);
}
}
/// <summary>
/// If <see cref="M:Northwoods.Go.GoObject.CanReshape" /> and <see cref="P:Northwoods.Go.GoCylinder.ResizableRadius" />
/// are true, this supports a radius control handle.
/// </summary>
/// <param name="sel"></param>
/// <param name="selectedObj"></param>
public override void AddSelectionHandles(GoSelection sel, GoObject selectedObj)
{
base.AddSelectionHandles(sel, selectedObj);
if (CanReshape() && ResizableRadius)
{
RectangleF bounds = Bounds;
PointF pointF = default(PointF);
float minorRadius = MinorRadius;
pointF = ((Orientation == Orientation.Vertical) ? ((Perspective != 0 && Perspective != GoPerspective.TopRight) ? new PointF(bounds.X + bounds.Width / 2f, bounds.Y + bounds.Height - 2f * minorRadius) : new PointF(bounds.X + bounds.Width / 2f, bounds.Y + 2f * minorRadius)) : ((Perspective == GoPerspective.TopLeft || Perspective == GoPerspective.BottomLeft) ? new PointF(bounds.X + 2f * minorRadius, bounds.Y + bounds.Height / 2f) : new PointF(bounds.X + bounds.Width - 2f * minorRadius, bounds.Y + bounds.Height / 2f)));
IGoHandle handle = sel.CreateResizeHandle(this, selectedObj, pointF, 1032, filled: true);
MakeDiamondResizeHandle(handle, (Orientation == Orientation.Horizontal) ? 64 : 128);
}
}
/// <summary>
/// If <see cref="M:Northwoods.Go.GoObject.CanReshape" /> and <see cref="P:Northwoods.Go.GoOctagon.ReshapableCorner" />
/// are true, this supports corner control handles.
/// </summary>
/// <param name="sel"></param>
/// <param name="selectedObj"></param>
public override void AddSelectionHandles(GoSelection sel, GoObject selectedObj)
{
base.AddSelectionHandles(sel, selectedObj);
if (CanReshape() && ReshapableCorner)
{
RectangleF bounds = Bounds;
PointF loc = new PointF(bounds.X + Corner.Width, bounds.Y);
IGoHandle handle = sel.CreateResizeHandle(this, selectedObj, loc, 1030, filled: true);
MakeDiamondResizeHandle(handle, 64);
loc = new PointF(bounds.X, bounds.Y + Corner.Height);
handle = sel.CreateResizeHandle(this, selectedObj, loc, 1031, filled: true);
MakeDiamondResizeHandle(handle, 128);
}
}
/// <summary>
/// If <see cref="M:Northwoods.Go.GoObject.CanReshape" /> is true, supports angle control handles if
/// <see cref="P:Northwoods.Go.GoPie.ResizableStartAngle" /> and/or <see cref="P:Northwoods.Go.GoPie.ResizableEndAngle" /> are true.
/// </summary>
/// <param name="sel"></param>
/// <param name="selectedObj"></param>
public override void AddSelectionHandles(GoSelection sel, GoObject selectedObj)
{
base.AddSelectionHandles(sel, selectedObj);
if (CanReshape())
{
if (ResizableStartAngle)
{
PointF pointAtAngle = GetPointAtAngle(StartAngle);
IGoHandle handle = sel.CreateResizeHandle(this, selectedObj, pointAtAngle, 1039, filled: true);
MakeDiamondResizeHandle(handle, 1);
}
if (ResizableEndAngle)
{
PointF pointAtAngle2 = GetPointAtAngle(StartAngle + SweepAngle);
IGoHandle handle2 = sel.CreateResizeHandle(this, selectedObj, pointAtAngle2, 1040, filled: true);
MakeDiamondResizeHandle(handle2, 1);
}
}
}
/// <summary>
/// Clean up after any drag.
/// </summary>
/// <remarks>
/// This restores any hidden selection handles, removes any
/// drag selection objects, and stops the current transaction.
/// </remarks>
public override void Stop()
{
base.View.Document.SuspendsRouting = false;
if (!base.View.DragRoutesRealtime && base.View.DragsRealtime && base.TransactionResult != null)
{
base.View.Document.DoDelayedRouting(EffectiveSelection);
}
base.View.StopAutoScroll();
if (mySelectionHidden)
{
mySelectionHidden = false;
base.Selection.AddAllSelectionHandles();
}
ClearDragSelection();
myEffectiveSelection = null;
MoveOffset = default(SizeF);
base.CurrentObject = null;
SelectsWhenStarts = true;
StopTransaction();
}
/// <summary>
/// Display the appropriate selected appearance, normally, resize selection handles
/// at each point of the polygon.
/// </summary>
/// <param name="sel"></param>
/// <param name="selectedObj"></param>
/// <remarks>
/// If this polygon is resizable and reshapable, we add resize selection
/// handles at each polygon point, with handle IDs equal to
/// <see cref="F:Northwoods.Go.GoObject.LastHandle" /> plus the index of the point.
/// </remarks>
public override void AddSelectionHandles(GoSelection sel, GoObject selectedObj)
{
GoView view = sel.View;
bool flag = view?.CanResizeObjects() ?? true;
bool flag2 = view?.CanReshapeObjects() ?? true;
if (!(CanResize() && flag) || !(CanReshape() && flag2))
{
base.AddSelectionHandles(sel, selectedObj);
return;
}
sel.RemoveHandles(this);
checked
{
int num = PointsCount - 1;
for (int i = 0; i <= num; i++)
{
PointF point = GetPoint(i);
sel.CreateResizeHandle(this, selectedObj, point, 8192 + i, filled: true);
}
}
}
/// <summary>
/// Handles should never be selected, so they should not get their own selection handles.
/// </summary>
/// <param name="sel"></param>
/// <param name="selectedObj"></param>
public override void AddSelectionHandles(GoSelection sel, GoObject selectedObj)
{
}
/// <summary>
/// Just call <see cref="M:Northwoods.Go.GoOverviewRectangle.AddSelectionHandles(Northwoods.Go.GoSelection,Northwoods.Go.GoObject)" />.
/// </summary>
/// <param name="sel"></param>
public override void OnGotSelection(GoSelection sel)
{
AddSelectionHandles(sel, this);
}
public static void AddRectangleHandles(GoObject myObject, RectangleF rect, PointF center, float angle, GoSelection sel, GoObject selectedObj)
{
GoView view = sel.View;
bool flag = view?.CanResizeObjects() ?? true;
bool flag2 = view?.CanReshapeObjects() ?? true;
if (myObject.CanResize() && flag)
{
float x = rect.X;
float x2 = rect.X + rect.Width / 2f;
float x3 = rect.X + rect.Width;
float y = rect.Y;
float y2 = rect.Y + rect.Height / 2f;
float y3 = rect.Y + rect.Height;
double num = (double)angle * Math.PI / 180.0;
double cosine = Math.Cos(num);
double sine = Math.Sin(num);
SetResizeCursor(sel.CreateResizeHandle(myObject, selectedObj, RotatePoint(new PointF(x, y), center, cosine, sine), 2, filled: true), angle);
SetResizeCursor(sel.CreateResizeHandle(myObject, selectedObj, RotatePoint(new PointF(x3, y), center, cosine, sine), 4, filled: true), angle);
SetResizeCursor(sel.CreateResizeHandle(myObject, selectedObj, RotatePoint(new PointF(x3, y3), center, cosine, sine), 8, filled: true), angle);
SetResizeCursor(sel.CreateResizeHandle(myObject, selectedObj, RotatePoint(new PointF(x, y3), center, cosine, sine), 16, filled: true), angle);
if (myObject.CanReshape() && flag2)
{
SetResizeCursor(sel.CreateResizeHandle(myObject, selectedObj, RotatePoint(new PointF(x2, y), center, cosine, sine), 32, filled: true), angle);
SetResizeCursor(sel.CreateResizeHandle(myObject, selectedObj, RotatePoint(new PointF(x3, y2), center, cosine, sine), 64, filled: true), angle);
SetResizeCursor(sel.CreateResizeHandle(myObject, selectedObj, RotatePoint(new PointF(x2, y3), center, cosine, sine), 128, filled: true), angle);
SetResizeCursor(sel.CreateResizeHandle(myObject, selectedObj, RotatePoint(new PointF(x, y2), center, cosine, sine), 256, filled: true), angle);
}
}
}
/// <summary>
/// Provide default behavior, when not running some other tool.
/// </summary>
/// <remarks>
/// By default this handles:
/// <list type="bullet">
/// <item>Delete: the Delete key deletes the current selection</item>
/// <item>Select All: Ctrl-A selects all selectable document objects</item>
/// <item>Copy, Cut, Paste: The Ctrl-C, Ctrl-Insert, Ctrl-X, Shift-Delete, Ctrl-V, and Shift-Insert keys do the standard clipboard operations</item>
/// <item>Edit: the F2 key starts in-place editing of the current node's text label</item>
/// <item>PageDown, PageUp: The PageDown and PageUp keys scroll vertically; Shift-PageDown and Shift-PageUp
/// scroll horizontally</item>
/// <item>Home, End: the Home and End keys scroll to the left side and right sides of the document;
/// Ctrl-Home and Ctrl-End scroll to the top-left and bottom-right corners of the document, respectively</item>
/// <item>Undo, Redo: Ctrl-Z and Ctrl-Y (or Ctrl-Shift-Z) perform undo and redo</item>
/// <item>Arrow keys: moves the selection in the given direction, or else scrolls the view that way;
/// the Ctrl modifier causes the movement or scrolling to just be one pixel at a time.
/// This uses the <see cref="P:Northwoods.Go.GoView.ArrowMoveLarge" /> and <see cref="P:Northwoods.Go.GoView.ArrowMoveSmall" /> properties
/// to control how far the selection is moved.</item>
/// <item>Escape: the Escape key may clear the selection and then cancels the current input operation</item>
/// <item>letters and digits: selects the next node whose text starts with that character</item>
/// </list>
/// However, the value of <see cref="T:Northwoods.Go.GoView" />.<see cref="P:Northwoods.Go.GoView.DisableKeys" /> can disable
/// each of these behaviors.
/// </remarks>
public override void DoKeyDown()
{
GoInputEventArgs lastInput = base.LastInput;
bool control = lastInput.Control;
bool shift = lastInput.Shift;
GoViewDisableKeys disableKeys = base.View.DisableKeys;
Keys key = lastInput.Key;
if (key == Keys.Delete && (disableKeys & GoViewDisableKeys.Delete) == 0)
{
base.View.EditDelete();
return;
}
if (control && key == Keys.A && (disableKeys & GoViewDisableKeys.SelectAll) == 0)
{
base.View.SelectAll();
return;
}
if (((control && key == Keys.C) /*|| (control && key == Keys.Insert) bylzy*/) && (disableKeys & GoViewDisableKeys.Clipboard) == 0)
{
base.View.EditCopy();
return;
}
if (((control && key == Keys.X) || (shift && key == Keys.Delete)) && (disableKeys & GoViewDisableKeys.Clipboard) == 0)
{
base.View.EditCut();
return;
}
if (((control && key == Keys.V) || (shift && key == Keys.Insert)) && (disableKeys & GoViewDisableKeys.Clipboard) == 0)
{
base.View.EditPaste();
return;
}
if (key == Keys.F2 && (disableKeys & GoViewDisableKeys.Edit) == 0)
{
base.View.EditEdit();
return;
}
if (key == Keys.Next && (disableKeys & GoViewDisableKeys.Page) == 0)
{
if (shift)
{
base.View.ScrollPage(1f, 0f);
}
else
{
base.View.ScrollPage(0f, 1f);
}
return;
}
if (key == Keys.Prior && (disableKeys & GoViewDisableKeys.Page) == 0)
{
if (shift)
{
base.View.ScrollPage(-1f, 0f);
}
else
{
base.View.ScrollPage(0f, -1f);
}
return;
}
if (key == Keys.Home && (disableKeys & GoViewDisableKeys.Home) == 0)
{
RectangleF rectangleF = base.View.ComputeDocumentBounds();
if (control)
{
base.View.DocPosition = new PointF(rectangleF.X, rectangleF.Y);
}
else
{
base.View.DocPosition = new PointF(rectangleF.X, base.View.DocPosition.Y);
}
return;
}
if (key == Keys.End && (disableKeys & GoViewDisableKeys.End) == 0)
{
RectangleF rectangleF2 = base.View.ComputeDocumentBounds();
SizeF docExtentSize = base.View.DocExtentSize;
PointF pointF = control ? new PointF(rectangleF2.X + rectangleF2.Width - docExtentSize.Width, rectangleF2.Y + rectangleF2.Height - docExtentSize.Height) : new PointF(rectangleF2.X + rectangleF2.Width - docExtentSize.Width, base.View.DocPosition.Y);
base.View.DocPosition = new PointF(Math.Max(0f, pointF.X), Math.Max(0f, pointF.Y));
return;
}
if (control && !shift && key == Keys.Z && (disableKeys & GoViewDisableKeys.Undo) == 0)
{
base.View.Undo();
return;
}
if (((control && key == Keys.Y) || (control && shift && key == Keys.Z)) && (disableKeys & GoViewDisableKeys.Undo) == 0)
{
base.View.Redo();
return;
}
if (key == Keys.Escape && (disableKeys & GoViewDisableKeys.CancelDeselects) == 0)
{
if (base.View.CanSelectObjects())
{
base.Selection.Clear();
}
base.DoKeyDown();
return;
}
if (key == Keys.Up || key == Keys.Down || key == Keys.Left || key == Keys.Right)
{
float num = 0f;
float num2 = 0f;
switch (key)
{
case Keys.Left:
num = 0f - base.View.WorldScale.Width;
break;
case Keys.Right:
num = base.View.WorldScale.Width;
break;
case Keys.Up:
num2 = 0f - base.View.WorldScale.Height;
break;
case Keys.Down:
num2 = base.View.WorldScale.Height;
break;
}
if (!base.View.Selection.IsEmpty && base.View.CanMoveObjects() && (disableKeys & GoViewDisableKeys.ArrowMove) == 0)
{
float num3 = 1f;
num3 = ((!control) ? base.View.ArrowMoveLarge : base.View.ArrowMoveSmall);
GoToolDragging goToolDragging = base.View.FindMouseTool(typeof(GoToolDragging), subclass: true) as GoToolDragging;
if (goToolDragging != null)
{
GoSelection sel = goToolDragging.ComputeEffectiveSelection(base.View.Selection, move: true);
base.View.MoveSelection(sel, new SizeF(num * num3, num2 * num3), grid: true);
base.View.RaiseSelectionMoved();
base.View.ScrollRectangleToVisible(base.View.Selection.Primary.Bounds);
}
}
else if ((disableKeys & GoViewDisableKeys.ArrowScroll) == 0)
{
if (control)
{
base.View.DocPosition = new PointF(base.View.DocPosition.X + num, base.View.DocPosition.Y + num2);
}
else
{
base.View.ScrollLine(num, num2);
}
}
else
{
base.DoKeyDown();
}
return;
}
bool flag = false;
if (!control && !lastInput.Alt && (disableKeys & GoViewDisableKeys.SelectsByFirstChar) == 0)
{
string text = TypeDescriptor.GetConverter(typeof(Keys)).ConvertToString(null, CultureInfo.CurrentCulture, lastInput.Key);
char c = '\0';
if (text.Length == 1)
{
c = text[0];
}
else if (text.Length == 2 && text[0] == 'D')
{
c = text[1];
}
if (char.IsLetterOrDigit(c))
{
flag = base.View.SelectNextNode(c);
}
}
if (!flag)
{
base.DoKeyDown();
}
}
/// <summary>
/// Perform the drag, for both moving and copying, including the final move or copy
/// on a mouse up event.
/// </summary>
/// <param name="evttype"></param>
/// <remarks>
/// Whether the drag is performing a move or a copy is determined by the
/// value of the <see cref="M:Northwoods.Go.GoToolDragging.MayBeCopying" /> and <see cref="M:Northwoods.Go.GoToolDragging.MayBeMoving" /> predicates.
/// This method is sensitive to the <see cref="P:Northwoods.Go.GoView.DragsRealtime" /> property.
/// When this property is false, dragging uses the <see cref="P:Northwoods.Go.GoToolDragging.DragSelection" />
/// selection instead of the normal <see cref="P:Northwoods.Go.GoView.Selection" /> collection.
/// It calls <see cref="M:Northwoods.Go.GoToolDragging.MakeDragSelection" /> to create the drag selection if needed
/// and then moves the drag selection.
/// When not copying and when <see cref="P:Northwoods.Go.GoView.DragsRealtime" /> is true, it calls
/// <see cref="M:Northwoods.Go.GoToolDragging.ClearDragSelection" /> to stop using any drag selection and then it
/// moves the regular <see cref="P:Northwoods.Go.GoView.Selection" />.
/// </remarks>
public virtual void DoDragging(GoInputState evttype)
{
if (base.CurrentObject == null)
{
return;
}
SizeF sizeF = GoTool.SubtractPoints(base.LastInput.DocPoint, base.CurrentObject.Position);
SizeF sizeF2 = new SizeF(sizeF.Width - MoveOffset.Width, sizeF.Height - MoveOffset.Height);
bool flag = MayBeCopying() && MustBeCopying();
bool flag2 = MayBeMoving();
DragEventArgs dragEventArgs = base.LastInput.DragEventArgs;
if (dragEventArgs != null && !base.View.IsInternalDragDrop(dragEventArgs))
{
flag = false;
}
if (EffectiveSelection == null)
{
myEffectiveSelection = ComputeEffectiveSelection(base.Selection, !flag);
}
if (evttype != GoInputState.Finish)
{
GoSelection goSelection = null;
if (flag || !base.View.DragsRealtime)
{
MakeDragSelection();
goSelection = DragSelection;
}
else if (flag2)
{
ClearDragSelection();
goSelection = EffectiveSelection;
}
if (goSelection != null)
{
GoObject goObject = null;
foreach (GoObject item in goSelection)
{
if (!(item is IGoLink) && item.CanMove())
{
goObject = item;
break;
}
}
SizeF offset = sizeF2;
if (goObject != null)
{
PointF location = goObject.Location;
PointF p = new PointF(location.X + sizeF2.Width, location.Y + sizeF2.Height);
p = base.View.SnapPoint(p, goObject);
offset.Width = p.X - location.X;
offset.Height = p.Y - location.Y;
}
base.View.MoveSelection(goSelection, offset, grid: false);
}
return;
}
SizeF offset2 = sizeF2;
if (DragSelection != null)
{
offset2 = GoTool.SubtractPoints(base.CurrentObject.Position, DragSelectionOriginalObject.Position);
ClearDragSelection();
}
if (flag)
{
if (CopiesEffectiveSelection)
{
myEffectiveSelection = ComputeEffectiveSelection(base.Selection, move: false);
base.View.CopySelection(EffectiveSelection, offset2, grid: true);
}
else
{
base.View.CopySelection(base.Selection, offset2, grid: true);
}
}
else if (flag2)
{
if (EffectiveSelection == null)
{
myEffectiveSelection = ComputeEffectiveSelection(base.Selection, move: true);
}
base.View.MoveSelection(EffectiveSelection, offset2, grid: true);
}
}
/// <summary>
/// Produce a new <see cref="T:Northwoods.Go.GoSelection" /> that is the real set of objects
/// to be moved by <see cref="M:Northwoods.Go.GoView.MoveSelection(Northwoods.Go.GoSelection,System.Drawing.SizeF,System.Boolean)" /> or copied by
/// <see cref="M:Northwoods.Go.GoView.CopySelection(Northwoods.Go.GoSelection,System.Drawing.SizeF,System.Boolean)" />.
/// </summary>
/// <param name="coll"></param>
/// <param name="move">true for moving, false for copying</param>
/// <returns>a <see cref="T:Northwoods.Go.GoSelection" /> that is cached as <see cref="P:Northwoods.Go.GoToolDragging.EffectiveSelection" /></returns>
/// <remarks>
/// This method is used to try to avoid problems with double-moving
/// due to duplicate entries or both a parent and its child being in
/// the argument collection.
/// This also removes objects whose <see cref="P:Northwoods.Go.GoObject.DraggingObject" />
/// is null or has a false value for <see cref="M:Northwoods.Go.GoObject.CanMove" /> (if
/// <paramref name="move" /> is true) or a false value for <see cref="M:Northwoods.Go.GoObject.CanCopy" />
/// (if <paramref name="move" /> is false).
/// Furthermore this adds to the collection all links that have both
/// ports in the selection.
/// </remarks>
public virtual GoSelection ComputeEffectiveSelection(IGoCollection coll, bool move)
{
Dictionary <GoObject, bool> dictionary = new Dictionary <GoObject, bool>();
GoCollection goCollection = null;
GoSelection goSelection = new GoSelection(null);
foreach (GoObject item in coll)
{
GoObject draggingObject = item.DraggingObject;
if (draggingObject != null && !(move ? (!draggingObject.CanMove()) : (!draggingObject.CanCopy())) && !alreadyDragged(dictionary, draggingObject))
{
dictionary[draggingObject] = true;
if (!draggingObject.IsTopLevel)
{
if (goCollection == null)
{
goCollection = new GoCollection();
}
goCollection.Add(draggingObject);
}
goSelection.Add(draggingObject);
}
}
if (EffectiveSelectionIncludesLinks)
{
GoObject[] array = goSelection.CopyArray();
for (int i = 0; i < array.Length; i++)
{
IGoNode goNode = array[i] as IGoNode;
if (goNode != null)
{
foreach (IGoLink destinationLink in goNode.DestinationLinks)
{
if (!alreadyDragged(dictionary, destinationLink.GoObject) && (destinationLink.ToPort == null || alreadyDragged(dictionary, destinationLink.ToPort.GoObject)))
{
dictionary[destinationLink.GoObject] = true;
goSelection.Add(destinationLink.GoObject);
}
}
foreach (IGoLink sourceLink in goNode.SourceLinks)
{
if (!alreadyDragged(dictionary, sourceLink.GoObject) && (sourceLink.FromPort == null || alreadyDragged(dictionary, sourceLink.FromPort.GoObject)))
{
dictionary[sourceLink.GoObject] = true;
goSelection.Add(sourceLink.GoObject);
}
}
}
}
}
if (goCollection != null)
{
GoCollection goCollection2 = null;
foreach (GoObject item2 in goSelection)
{
GoObject draggingObject2 = item2.DraggingObject;
if (draggingObject2 is GoGroup)
{
foreach (GoObject item3 in goCollection)
{
if (item3.IsChildOf(draggingObject2))
{
if (goCollection2 == null)
{
goCollection2 = new GoCollection();
}
goCollection2.Add(item3);
}
}
}
}
if (goCollection2 != null)
{
foreach (GoObject item4 in goCollection2)
{
goSelection.Remove(item4);
}
return(goSelection);
}
}
return(goSelection);
}