/// <summary>
/// 设置当前层里的shape对象是否显示
/// add by michael
/// </summary>
internal void SetShapeVisible(LayerControl frameLayer)
{
ShapeBase shape = frameLayer.Layer.Shape;
shape.BeginEdit();
if (_IsShowAllLayers)
{
if (frameLayer.Layer.IsVisible)
{
//frameLayer.Layer.IsVisible = true;
frameLayer.Shape.IsVisible = true;
shape.IsVisible = true;
}
//return;
}
//else if (this.trackBar1.PlayValue < frameLayer.Layer.StartTime || this.trackBar1.PlayValue > frameLayer.Layer.EndTime)
else if (frameLayer.StartTime <= this.trackBar1.PlayValue && frameLayer.EndTime > this.trackBar1.PlayValue)
{
if (frameLayer.Layer.IsVisible)
{
//frameLayer.Layer.IsVisible = frameLayer.LayerVisible;
frameLayer.Shape.IsVisible = frameLayer.Layer.IsVisible;
shape.IsVisible = frameLayer.Layer.IsVisible;
}
}
else if (frameLayer.StartTime > this.trackBar1.PlayValue || frameLayer.EndTime <= this.trackBar1.PlayValue)
{
if (frameLayer.Layer.IsVisible)
{
//frameLayer.Layer.IsVisible = false;
frameLayer.Shape.IsVisible = false;
shape.IsVisible = false;
}
}
shape.EndEdit();
shapeControl.Invalidate();
}
public void Paint(Graphics g, Size size)
{
LocalMessageBus.Send(null,
new MenuMessage(
new MenuCommand[]
{
new MenuCommand {
Command = MenuCommands.Delete, Enabled = SelectedCount > 0
}
, new MenuCommand {
Command = MenuCommands.Copy, Enabled = !(Count < 1 || SelectedCount < 1)
}
, new MenuCommand {
Command = MenuCommands.Paste, Enabled = CopyAction.Current.CanPaste
}
}
));
if (Count < 1 || SelectedCount < 1)
{
LocalMessageBus.Send(this, new IsSelectShapImage(false));
}
else if (SelectedCount == 1 && SelectedShape.Type == ShapeType.Image)
{
LocalMessageBus.Send(this, new IsSelectShapImage(true));
}
else
{
LocalMessageBus.Send(this, new IsSelectShapImage(false));
}
if (Count < 1)
{
return;
}
Visitor.Graphics = g;
Visitor.Zoom = Zoom;
UndoService.Suspend();
//paint background Layer
ShapeBase backItem = Find(delegate(ShapeBase item)
{
return(item.IsBackground && item.IsVisible);
});
if (backItem != null)
{
if (backItem.VirtualBounds.Size != size)
{
backItem.BeginEdit();
backItem.VirtualBounds = new Rectangle(Point.Empty, size);
backItem.EndEdit();
}
//backItem.Paint(g);
backItem.Accept(Visitor);
}
ShapeBase[] shapes = this.ToArray();
bool drawSpecialShape = false;
//paint all layers except dynamic layers
foreach (ShapeBase shape in shapes)
{
if (!shape.IsVisible ||
shape.IsBackground
//|| shape.Type == ShapeType.DynamicText
//|| shape.Type == ShapeType.DynamicVideo
)
{
continue;
}
if (shape.Type == ShapeType.DownArrow ||
shape.Type == ShapeType.Ellipse ||
shape.Type == ShapeType.LeftArrow ||
shape.Type == ShapeType.Line ||
shape.Type == ShapeType.Rectangle ||
shape.Type == ShapeType.RightArrow ||
shape.Type == ShapeType.UpArrow)
{
if (!drawSpecialShape)
{
DrawSpecialShape(shapes, g);
drawSpecialShape = true;
}
}
else
{
shape.Accept(Visitor); //shape.Paint(g);
}
}
//paint dynamic layers
//将DynamicText层永远显示在最上面 add by Michael
foreach (ShapeBase shape in shapes)
{
if (shape.IsVisible && shape.IsDynamicLayer /*(shape.Type == ShapeType.DynamicText)*/)
{
shape.Accept(Visitor);//shape.Paint(g);
}
}
//paint selected layers' frame
foreach (ShapeBase shape in shapes)
{
if (!shape.IsVisible || !shape.IsSelected)
{
continue;
}
//shape.PaintSelect(g, true);
shape.DrawTracker(g);
}
UndoService.Resume();
}
//mouse button is released
public override void OnMouseUp(Canvas drawArea, MouseEventArgs e)
{
if (selectMode == SelectionMode.MulitSelection)
{
return;
}
int zoom = drawArea.Document.Zoom;
if (selectMode == SelectionMode.NetSelection)
{
// Group selection
drawArea.Document.SelectInRectangle(drawArea.NetRectangle);
selectMode = SelectionMode.None;
drawArea.DrawNetRectangle = false;
UndoService.Commit();
}
if (resizedObject != null ||
selectMode == SelectionMode.Size
)
{
// after resizing
if (resizedObject != null)
{
resizedObject.BeginEdit();
if (resizedObject is ShapePaint)
{
; // resizedObject.SetVirtualBounds();
}
else
{
resizedObject.VirtualBounds = resizedObject.FormatBoundsByZoom(resizedObject.VirtualBounds, zoom);
}
resizedObject.EndEdit();
resizedObject = null;
}
selectMode = SelectionMode.None;
UndoService.Commit();
}
if (selectMode == SelectionMode.Move)
{
foreach (ShapeBase sb in drawArea.Document.SelectedShapes)
{
sb.BeginEdit();
if (sb is ShapeFigure
//|| sb is ShapeLine
)
{
sb.SetVirtualBounds();
}
else if (sb.Type != ShapeType.Line)
{
sb.VirtualBounds = sb.FormatBoundsByZoom(sb.VirtualBounds, zoom);
}
sb.EndEdit();
}
selectMode = SelectionMode.None;
Point point = drawArea.BackTrackMouse(new Point(e.X, e.Y));
for (int i = drawArea.Document.Count - 1; i >= 0; i--)
{
if (drawArea.Document[i].HitTest(point) == 0)
{
ShapeBase so = drawArea.Document[i];
if (so != null)
{
// Unselect all if Ctrl is not pressed and clicked object is not selected yet
if ((Control.ModifierKeys != Keys.Control || Control.ModifierKeys != Keys.Shift) && so.IsSelected && startPoint == lastPoint)
{
drawArea.Document.CancelSelect(true);
so.IsSelected = true;
}
}
break;
}
}
UndoService.Commit();
}
drawArea.Capture = false;
drawArea.Refresh();
lastPoint = drawArea.BackTrackMouse(e.Location);
}
private void SetShapeSelectedWithShift(ShapeBase shape, bool selected)
{
shape.BeginEdit();
shape.IsSelected = selected;
shape.EndEdit();
}
public override void OnMouseDown(Canvas drawArea, MouseEventArgs e)
{
Point point = drawArea.BackTrackMouse(new Point(e.X, e.Y));
if (e.Button == MouseButtons.Left)
{
if (e.Button == MouseButtons.Left)
{
if (drawArea.ShortcutKey == Keys.Control ||
drawArea.ShortcutKey == Keys.Shift)
{
selectMode = SelectionMode.MulitSelection;
for (int i = drawArea.Document.Count - 1; i >= 0; i--)
{
int handleNumber = drawArea.Document[i].HitTest(point);
if (handleNumber == 0)
{
drawArea.Document[i].IsSelected = !drawArea.Document[i].IsSelected;
break;
}
}
return;
}
}
wasMove = false;
selectMode = SelectionMode.None;
// Test for resizing
for (int i = drawArea.Document.Count - 1; i >= 0; i--)
{
int handleNumber = drawArea.Document[i].HitTest(point);
if (handleNumber > 0)
{
selectMode = SelectionMode.Size;
UndoService.BeginTransaction("Resize the shape");
resizedObject = drawArea.Document[i];
resizedObjectHandle = handleNumber;
drawArea.Document.CancelSelect();
drawArea.Document[i].IsSelected = true;
break;
}
}
// Test for move
if (selectMode == SelectionMode.None)
{
ShapeBase so = null;
for (int i = drawArea.Document.Count - 1; i >= 0; i--)
{
if (drawArea.Document[i].HitTest(point) == 0)
{
so = drawArea.Document[i];
break;
}
}
if (so != null)
{
UndoService.BeginTransaction("Move the shape");
selectMode = SelectionMode.Move;
// Unselect all if Ctrl is not pressed and clicked object is not selected yet
if ((Control.ModifierKeys & Keys.Control) == 0 && !so.IsSelected)
{
drawArea.Document.CancelSelect(true);
}
// Select clicked object
int paintcount = drawArea.Document.ShapeDraw.SelectedShapes.Length;
int textcount = (from shape in drawArea.Document
where
shape.IsSelected &&
(shape.Type == ShapeType.Text ||
shape.Type == ShapeType.Time ||
shape.Type == ShapeType.Temperature ||
shape.Type == ShapeType.DynamicText)
select shape).Count();
LayerControl lc = null;
if (so is ShapePaint && paintcount > 0)
{
so.BeginEdit();
//foreach (ShapeBase sb in drawArea.Document.ShapeDraw.SelectedShapes)
// sb.IsSelected = false;
so.IsSelected = true;
so.EndEdit();
lc = drawArea.MessageControl.GetLayerControl(so);
if (lc != null)
{
lc.IsSelected = so.IsSelected;
}
}
else if ((so.Type == ShapeType.Text ||
so.Type == ShapeType.Time ||
so.Type == ShapeType.Temperature ||
so.Type == ShapeType.DynamicText) && textcount > 0)
{
so.BeginEdit();
so.IsSelected = true;
so.EndEdit();
lc = drawArea.MessageControl.GetLayerControl(so);
if (lc != null)
{
lc.IsSelected = so.IsSelected;
}
}
else
{
so.IsSelected = true;
}
drawArea.Cursor = Cursors.SizeAll;
}
}
// Net selection
if (selectMode == SelectionMode.None)
{
//click on background
if ((Control.ModifierKeys & Keys.Control) == 0)
{
drawArea.Document.CancelSelect(true);
}
selectMode = SelectionMode.NetSelection;
UndoService.BeginTransaction("Select some shapes");
drawArea.DrawNetRectangle = true;
}
lastPoint = point;
startPoint = point;
}
else if (e.Button == MouseButtons.Right)
{
//drawArea.Document.CancelSelect(true);
//for (int i = drawArea.Document.Count -1; i >= 0; i--)
//{
// if (drawArea.Document[i].HitTest(point) >= 0)
// {
// drawArea.Document[i].IsSelected = true;
// break;
// }
//}
bool emptyInsect = false;
foreach (ShapeBase s in drawArea.Document)
{
if (s.HitTest(point) >= 0)
{
emptyInsect = true;
break;
}
}
if (!emptyInsect)
{
drawArea.Document.CancelSelect(true);
}
}
drawArea.Capture = true;
drawArea.NetRectangle = ShapeControlPaintNew.GetNormalizedRectangle(startPoint, lastPoint);
drawArea.Refresh();
}