public DragAdorner(UIElement owner, DragAdorner element)
: base(owner)
{
this._owner = owner;
textBlock.Text = "X=" + Math.Round(element.LeftOffset).ToString() + " Y=" + Math.Round(element.TopOffset).ToString();
textBlock.Foreground = Brushes.White;
this._child = textBlock;
}
private void Receive_MouseMove(object sender, MouseEventArgs e, IElement element)
{
if (element is LineElement)
{
ILineElement lineElement = (LineElement)element;
IRectElement frontElment = lineElement.FrontElement;
IRectElement endElement = lineElement.EndElement;
Point mousePointInLine = e.GetPosition(_itemsControl);
int clickNum = 0;
if (mousePointInLine.X <= frontElment.X + frontElment.Width && mousePointInLine.X >= frontElment.X &&
mousePointInLine.Y <= frontElment.Y + frontElment.Height && mousePointInLine.Y >= frontElment.Y)
{
element = frontElment;
clickNum += 1;
}
else if (mousePointInLine.X <= endElement.X + endElement.Width && mousePointInLine.X >= endElement.X &&
mousePointInLine.Y <= endElement.Y + endElement.Height && mousePointInLine.Y >= endElement.Y)
{
element = endElement;
clickNum += 1;
}
if (clickNum == 2)
{
if (frontElment.ZIndex > endElement.ZIndex)
{
element = frontElment;
}
else if (frontElment.ZIndex < endElement.ZIndex)
{
element = endElement;
}
}
if (clickNum == 0)
{
e.Handled = true;
return;
}
}
FrameworkElement currentFramework = (FrameworkElement)sender;
if (e.LeftButton == MouseButtonState.Pressed)
{
currentFramework.CaptureMouse();
}
else
{
currentFramework.ReleaseMouseCapture();
if (this._adorner != null || (_addReceiveInfo != null && _myScreenLayer.OperateEnviron == OperatEnvironment.DesignScreen))
{
e.Handled = false;
}
else
{
e.Handled = true;
}
return;
}
if (this._adorner != null)
{
e.Handled = false;
return;
}
else
{
if ((Keyboard.GetKeyStates(Key.LeftCtrl) == KeyStates.Down || (Keyboard.GetKeyStates(Key.LeftCtrl) == (KeyStates.Down | KeyStates.Toggled))) ||
(Keyboard.GetKeyStates(Key.RightCtrl) == KeyStates.Down || (Keyboard.GetKeyStates(Key.RightCtrl) == (KeyStates.Down | KeyStates.Toggled))))
{
}
else if (_isMouseLeftButtonDown == true && element.EleType == ElementType.receive && element.ElementSelectedState != SelectedState.None)
{
//虚构选中箱体的区域
_selectedReceiveArea = new Rect();
if (_selectedElementCollection != null && _selectedElementCollection.Count != 0)
{
double changedValue = Math.Pow(SmartLCTViewModeBase.IncreaseOrDecreaseValue, _myScreenLayer.IncreaseOrDecreaseIndex);
#region 1.计算选中箱体的区域
foreach (int groupName in _currentSelectedElement.Keys)
{
Rect currentSelectedRect = _currentSelectedElement[groupName].SelectedElementRect;
if (currentSelectedRect.Height != 0 && currentSelectedRect.Width != 0)
{
if (_selectedReceiveArea == new Rect())
{
_selectedReceiveArea = currentSelectedRect;
}
else
{
_selectedReceiveArea = Rect.Union(_selectedReceiveArea, currentSelectedRect);
}
}
}
#endregion
#region 2.生成虚构的箱体移动区域
//拖动的区域
this._dragScope = _itemsControl as FrameworkElement;
//是否可以拖放
this._dragScope.AllowDrop = true;
draghandler = new MouseEventHandler(DragScope_PreviewDragOver);
//加载处理拖放的路由事件
this._dragScope.MouseMove += draghandler;
this._dragScope.PreviewMouseMove += draghandler;
//鼠标跟随效果的装饰器
Point adornerMousePoint = new Point();
adornerMousePoint = e.GetPosition(this);
adornerMousePoint = this.TranslatePoint(adornerMousePoint, _itemsControl);
//已经是缩放后的真实值
_virtualMoveDifValue = new Point(adornerMousePoint.X - _selectedReceiveArea.X, adornerMousePoint.Y - _selectedReceiveArea.Y);
if(_myScreenLayer.OperateEnviron==OperatEnvironment.AdjustScreenLocation ||
_myScreenLayer.OperateEnviron == OperatEnvironment.AdjustSenderLocation)
{
_virtualMoveDifValue.X -= _myScreenLayer.X;
_virtualMoveDifValue.Y -= _myScreenLayer.Y;
}
//_virtualMoveDifValue.X = Math.Round(_virtualMoveDifValue.X);
//_virtualMoveDifValue.Y = Math.Round(_virtualMoveDifValue.Y);
this._adorner = new DragAdorner(this._dragScope, _selectedReceiveArea.Width, _selectedReceiveArea.Height, adornerMousePoint, 0.5);
//装饰器的位置
this._adorner.LeftOffset = _selectedReceiveArea.X * changedValue;
this._adorner.TopOffset = _selectedReceiveArea.Y * changedValue;
if(_myScreenLayer.OperateEnviron==OperatEnvironment.AdjustSenderLocation ||
_myScreenLayer.OperateEnviron == OperatEnvironment.AdjustScreenLocation)
{
this._adorner.LeftOffset += _myScreenLayer.X*changedValue;
this._adorner.TopOffset += _myScreenLayer.Y*changedValue;
}
this._adorner.Height = _selectedReceiveArea.Height;
this._adorner.Width = _selectedReceiveArea.Width;
this._layer = AdornerLayer.GetAdornerLayer(this._dragScope as Visual);
this._layer.Add(this._adorner);
//显示位置的装饰器
this._locationAdorner = new DragAdorner(this._dragScope, this._adorner);
//this._locationAdorner.TopOffset = adornerMousePoint.Y-20;
//this._locationAdorner.LeftOffset = adornerMousePoint.X;
this._locationAdorner.LeftOffset = _selectedReceiveArea.X * changedValue;
this._locationAdorner.TopOffset = _selectedReceiveArea.Y * changedValue;
if (_myScreenLayer.OperateEnviron == OperatEnvironment.AdjustSenderLocation ||
_myScreenLayer.OperateEnviron == OperatEnvironment.AdjustScreenLocation)
{
this._locationAdorner.LeftOffset += _myScreenLayer.X*changedValue;
this._locationAdorner.TopOffset += _myScreenLayer.Y*changedValue;
}
this._layer.Add(this._locationAdorner);
return;
#endregion
}
}
}
if (_addReceiveInfo != null && _myScreenLayer.OperateEnviron == OperatEnvironment.DesignScreen)
{
e.Handled = false;
return;
}
if (_myScreenLayer != null && _myScreenLayer.CLineType == ConnectLineType.Manual)
{
this.Cursor = Cursors.Hand;
e.Handled = true;
return;
}
#region 空格+鼠标移动屏体
if ((Keyboard.GetKeyStates(Key.Space) == KeyStates.Down || (Keyboard.GetKeyStates(Key.Space) == (KeyStates.Down | KeyStates.Toggled))))
{
Layer_MouseMove(sender, e, _myScreenLayer);
e.Handled = true;
return;
}
#endregion
#region 条件
if (e.LeftButton == MouseButtonState.Pressed)
{
currentFramework.CaptureMouse();
}
else
{
currentFramework.ReleaseMouseCapture();
e.Handled = true;
return;
}
List<IElement> selectedElementList = new List<IElement>();
bool isMoveX = true;
bool isMoveY = true;
Point mousePoint = e.GetPosition(currentFramework);
if (element.EleType == ElementType.receive && element.ElementSelectedState == SelectedState.None)
{
if (Keyboard.GetKeyStates(Key.LeftCtrl) == KeyStates.Down || Keyboard.GetKeyStates(Key.LeftCtrl) == (KeyStates.Down | KeyStates.Toggled))
{
//有可能是框选
}
else
{
e.Handled = true;
return;
}
}
if ((!_isMouseLeftButtonDown) || element.ParentElement.IsLocked)
{
e.Handled = true;
return;
}
#endregion
#region 鼠标框选处理
if (((Keyboard.GetKeyStates(Key.LeftCtrl) == KeyStates.Down || (Keyboard.GetKeyStates(Key.LeftCtrl) == (KeyStates.Down | KeyStates.Toggled))) && element.EleType == ElementType.receive) ||
element.EleType == ElementType.screen ||
element.EleType == ElementType.groupframe)
{
Rect oldRect = new Rect();
if (((IRectElement)element.ParentElement).OperateEnviron == OperatEnvironment.DesignScreen)
{
#region 移除前一个(框选的矩形zorder==-1)
for (int elementIndex = 0; elementIndex < _myScreenLayer.ElementCollection.Count; elementIndex++)
{
if (!(_myScreenLayer.ElementCollection[elementIndex] is RectElement))
{
continue;
}
if (((RectElement)_myScreenLayer.ElementCollection[elementIndex]).ZOrder == -1)
{
IRectElement re=(RectElement)_myScreenLayer.ElementCollection[elementIndex];
_myScreenLayer.ElementCollection.RemoveAt(elementIndex);
oldRect = new Rect(re.X, re.Y, re.Width, re.Height);
}
}
#endregion
Point mouseMovePointInThis = e.GetPosition(this);
mouseMovePointInThis.X = mouseMovePointInThis.X;
mouseMovePointInThis.Y = mouseMovePointInThis.Y;
Point mouseMovePointInItemsControl = this.TranslatePoint(mouseMovePointInThis, _itemsControl);
if (mouseMovePointInItemsControl.X > SmartLCTViewModeBase.MaxScreenWidth)
{
mouseMovePointInItemsControl.X = SmartLCTViewModeBase.MaxScreenWidth;
}
if (mouseMovePointInItemsControl.Y > SmartLCTViewModeBase.MaxScreenHeight)
{
mouseMovePointInItemsControl.Y = SmartLCTViewModeBase.MaxScreenHeight;
}
if (mouseMovePointInItemsControl.X < 0)
{
mouseMovePointInItemsControl.X = 0;
}
if (mouseMovePointInItemsControl.Y < 0)
{
mouseMovePointInItemsControl.Y = 0;
}
Point mouseLeftDownPointInItemControl = _mouseLeftDownPointInThis;
double height = Math.Abs(mouseMovePointInItemsControl.Y - mouseLeftDownPointInItemControl.Y);
double width = Math.Abs(mouseMovePointInItemsControl.X - mouseLeftDownPointInItemControl.X);
RectElement rect = new RectElement(mouseLeftDownPointInItemControl.X, mouseLeftDownPointInItemControl.Y, width, height, _myScreenLayer, -1);
if (mouseMovePointInItemsControl.X > mouseLeftDownPointInItemControl.X && mouseMovePointInItemsControl.Y > mouseLeftDownPointInItemControl.Y)
{
rect.X = mouseLeftDownPointInItemControl.X;
rect.Y = mouseLeftDownPointInItemControl.Y;
}
else if (mouseMovePointInItemsControl.X > mouseLeftDownPointInItemControl.X && mouseMovePointInItemsControl.Y < mouseLeftDownPointInItemControl.Y)
{
rect.X = mouseLeftDownPointInItemControl.X;
rect.Y = mouseMovePointInItemsControl.Y;
}
else if (mouseMovePointInItemsControl.X < mouseLeftDownPointInItemControl.X && mouseMovePointInItemsControl.Y > mouseLeftDownPointInItemControl.Y)
{
rect.X = mouseMovePointInItemsControl.X;
rect.Y = mouseLeftDownPointInItemControl.Y;
}
else if (mouseMovePointInItemsControl.X < mouseLeftDownPointInItemControl.X && mouseMovePointInItemsControl.Y < mouseLeftDownPointInItemControl.Y)
{
rect.X = mouseMovePointInItemsControl.X;
rect.Y = mouseMovePointInItemsControl.Y;
}
Thickness margin = new Thickness(rect.X, rect.Y, rect.X + rect.Width, rect.Y + rect.Height);
rect.Margin = margin;
rect.ZOrder = -1;
rect.BackgroundBrush = Brushes.Gray;
rect.Opacity = 0.5;
rect.ZIndex = 8;
rect.MyLockAndVisibleButtonVisible = Visibility.Hidden;
rect.ElementSelectedState = SelectedState.FrameSelected;
rect.EleType = ElementType.frameSelected;
_myScreenLayer.ElementCollection.Add(rect);
_isFrameSelected = true;
Point minPoint=new Point(0,0);
Point maxPoint = new Point(this.ActualWidth, this.ActualHeight);
minPoint=this.TranslatePoint(minPoint, _itemsControl);
maxPoint = this.TranslatePoint(maxPoint, _itemsControl);
//判断移动的方向
if (oldRect != new Rect())
{
//向右框选
if (oldRect.X == rect.X && oldRect.Width<rect.Width && rect.X + rect.Width > maxPoint.X)
{
_scrollViewer.ScrollToHorizontalOffset(_scrollViewer.HorizontalOffset + rect.X + rect.Width - maxPoint.X);
}
else if (oldRect.X+oldRect.Width==rect.X+rect.Width && oldRect.Width > rect.Width && rect.X > maxPoint.X)
{
_scrollViewer.ScrollToHorizontalOffset(_scrollViewer.HorizontalOffset + rect.X - maxPoint.X);
}
//向左框选
if (oldRect.X + oldRect.Width == rect.X + rect.Width && oldRect.X > rect.X && rect.X < minPoint.X)
{
_scrollViewer.ScrollToHorizontalOffset(_scrollViewer.HorizontalOffset - (minPoint.X-rect.X));
}
else if (oldRect.X == rect.X && oldRect.Width > rect.Width && rect.X + rect.Width < minPoint.X)
{
_scrollViewer.ScrollToHorizontalOffset(_scrollViewer.HorizontalOffset - (minPoint.X - rect.X-rect.Width));
}
//向下框选
if (oldRect.Y == rect.Y && oldRect.Height < rect.Height && rect.Y + rect.Height > maxPoint.Y)
{
_scrollViewer.ScrollToVerticalOffset(_scrollViewer.VerticalOffset + rect.Y + rect.Height - maxPoint.Y);
}
else if (oldRect.Y + oldRect.Height == rect.Y + rect.Height && oldRect.Height > rect.Height && rect.Y > maxPoint.Y)
{
_scrollViewer.ScrollToVerticalOffset(_scrollViewer.VerticalOffset + rect.Y - maxPoint.Y);
}
//向上框选
if (oldRect.Y + oldRect.Height == rect.Y + rect.Height && oldRect.Y > rect.Y && rect.Y < minPoint.Y)
{
_scrollViewer.ScrollToVerticalOffset(_scrollViewer.VerticalOffset - (minPoint.Y - rect.Y));
}
else if (oldRect.Y == rect.Y && oldRect.Height > rect.Height && rect.Y + rect.Height < minPoint.Y)
{
_scrollViewer.ScrollToVerticalOffset(_scrollViewer.VerticalOffset - (minPoint.Y - rect.Y - rect.Height));
}
}
e.Handled = true;
return;
}
}
#endregion
#region 旧的移动
//if (element.EleType==ElementType.receive && ((IRectElement)element).OperateEnviron==OperatEnvironment.DesignScreen)
//{
// element.AddressVisible = Visibility.Visible;
// if (_selectedElementCollection.Count == 0)
// {
// e.Handled = true;
// return;
// }
//}
//#region 移动距离处理(超出最大最小边界时)
//double controlMovingValueX = mousePoint.X - _mousePoint.X;
//double controlMovingValueY = mousePoint.Y - _mousePoint.Y;
////controlMovingValueX = Math.Round(controlMovingValueX);
////controlMovingValueY = Math.Round(controlMovingValueY);
//double maxScreenHeight = 0;
//double maxScreenWidth = 0;
//if (_myScreenLayer.OperateEnviron == OperatEnvironment.DesignScreen)
//{
// maxScreenHeight = SmartLCTViewModeBase.MaxScreenHeight;
// maxScreenWidth = SmartLCTViewModeBase.MaxScreenWidth;
//}
//else
//{
// maxScreenWidth = _myScreenLayer.Width;
// maxScreenHeight = _myScreenLayer.Height;
//}
//if (_selectedElementRect.Width > maxScreenWidth)
//{
// controlMovingValueX = -_selectedElementRect.X;
//}
//else if (_selectedElementRect.X + controlMovingValueX + _selectedElementRect.Width > maxScreenWidth)
// {
// controlMovingValueX = maxScreenWidth - _selectedElementRect.X - _selectedElementRect.Width;
//}
//else if (_selectedElementRect.X + controlMovingValueX < 0)
// {
// controlMovingValueX = -_selectedElementRect.X;
// _isStartMoveX = false;
// }
//if (_selectedElementRect.Height > maxScreenHeight)
//{
// controlMovingValueY = -_selectedElementRect.Y;
//}
//else if (_selectedElementRect.Y + controlMovingValueY + _selectedElementRect.Height > maxScreenHeight)
// {
// controlMovingValueY = maxScreenHeight - _selectedElementRect.Y - _selectedElementRect.Height;
// }
//else if (_selectedElementRect.Y + controlMovingValueY < 0)
// {
// controlMovingValueY = -_selectedElementRect.Y;
// _isStartMoveY = false;
// }
// #endregion
// #region 吸附
//if (_isStartMoveX) //刚开始移动（移动距离大于SmartLCTViewModeBase.AdsorbValue才能移动）
//{
// isMoveX = true;
// if (Math.Abs(controlMovingValueX) < SmartLCTViewModeBase.AdsorbValue)
// {
// isMoveX = false;
// controlMovingValueX = 0;
// }
// else
// {
// isMoveX = true;
// _isStartMoveX = false;
// }
//}
//if (_isStartMoveY) //刚开始移动（移动距离大于5才能移动）
//{
// isMoveY = true;
// if (Math.Abs(controlMovingValueY) < SmartLCTViewModeBase.AdsorbValue)
// {
// isMoveY = false;
// controlMovingValueY = 0;
// }
// else
// {
// isMoveY = true;
// _isStartMoveY = false;
// }
//}
//if (isMoveY == false && isMoveX == false)
//{
// e.Handled = true;
// return;
//}
//double valueX = SmartLCTViewModeBase.AdsorbValue + 1;
//double valueY = SmartLCTViewModeBase.AdsorbValue + 1;
//double currentElementMaxX = 0;
//double currentElementMaxY = 0;
//IRectElement currentElement = (IRectElement)element;
//currentElementMaxX = currentElement.X;
//currentElementMaxY = currentElement.Y;
//if (controlMovingValueX > 0)
//{
// if (_currentSelectedElement[element.GroupName].NoSelectedGroupElementList.Count == 0)
// {
// currentElementMaxX += _currentSelectedElement[element.GroupName].SelectedElementRect.Width;
// }
// else
// {
// currentElementMaxX += currentElement.Width;
// }
//}
//if (controlMovingValueY > 0)
//{
// if (_currentSelectedElement[element.GroupName].NoSelectedGroupElementList.Count == 0)
// {
// currentElementMaxY += _currentSelectedElement[element.GroupName].SelectedElementRect.Height;
// }
// else
// {
// currentElementMaxY += currentElement.Height;
// }
//}
//for (int i = 0; i < _myScreenLayer.ElementCollection.Count; i++)
//{
// if (_myScreenLayer.ElementCollection[i] is LineElement ||
// _myScreenLayer.ElementCollection[i].ElementSelectedState!=SelectedState.None)
// {
// continue;
// }
// IRectElement rect = (IRectElement)_myScreenLayer.ElementCollection[i];
// if (controlMovingValueX < 0 && isMoveX)
// {
// #region 向左移动
// if (rect.X > currentElementMaxX
// || rect.X + rect.Width < currentElementMaxX - SmartLCTViewModeBase.AdsorbValue
// || rect.Y > currentElementMaxY + currentElement.Height
// || rect.Height + rect.Y < currentElementMaxY)
// {
// continue;
// }
// if (rect.X < currentElementMaxX
// && rect.X + rect.Width > currentElement.X + currentElement.Width
// && currentElementMaxX - rect.X < valueX && currentElementMaxX - rect.X > 0)
// {
// valueX = currentElementMaxX - rect.X;
// }
// else
// {
// if (currentElementMaxX - rect.X < valueX && currentElementMaxX - rect.X > 0)
// {
// valueX = currentElementMaxX - rect.X;
// }
// else if (currentElementMaxX - rect.X - rect.Width < valueX
// && currentElementMaxX - rect.X - rect.Width > 0)
// {
// valueX = currentElementMaxX - rect.X - rect.Width;
// }
// }
// if (valueX < SmartLCTViewModeBase.AdsorbValue + 1 && valueX > 0)
// {
// controlMovingValueX = -valueX;
// _isStartMoveX = true;
// }
// #endregion
// }
// else if (controlMovingValueX > 0 && isMoveX)
// {
// #region 向右移动
// if (rect.X + rect.Width < currentElementMaxX
// || rect.X > currentElementMaxX + SmartLCTViewModeBase.AdsorbValue
// || rect.Y + rect.Height < currentElementMaxY
// || rect.Y > currentElementMaxY + currentElement.Height)
// {
// continue;
// }
// if (rect.X < currentElementMaxX && rect.X + rect.Width > currentElementMaxX
// && rect.X + rect.Width - currentElementMaxX < valueX
// && rect.X + rect.Width - currentElementMaxX > 0)
// {
// valueX = rect.X + rect.Width - currentElementMaxX;
// }
// else
// {
// if (rect.X - currentElementMaxX < valueX && rect.X - currentElementMaxX > 0)
// {
// valueX = rect.X - currentElementMaxX;
// }
// else if (rect.X + rect.Width - currentElementMaxX < valueX
// && rect.X + rect.Width - currentElementMaxX > 0)
// {
// valueX = rect.X + rect.Width - currentElementMaxX;
// }
// }
// if (valueX < SmartLCTViewModeBase.AdsorbValue + 1 && valueX > 0)
// {
// controlMovingValueX = valueX;
// _isStartMoveX = true;
// }
// #endregion
// }
// if (controlMovingValueY < 0 && isMoveY)
// {
// #region 向上移动
// if (rect.Y > currentElementMaxY
// || rect.Y + rect.Height < currentElementMaxY - SmartLCTViewModeBase.AdsorbValue
// || rect.X > currentElementMaxX + currentElement.Width
// || rect.Width + rect.X < currentElementMaxX)
// {
// continue;
// }
// if (rect.Y < currentElementMaxY
// && rect.Y + rect.Height > currentElement.Y + currentElement.Height
// && currentElementMaxY - rect.Y < valueY && currentElementMaxY - rect.Y > 0)
// {
// valueY = currentElementMaxY - rect.Y;
// }
// else
// {
// if (currentElementMaxY - rect.Y < valueY && currentElementMaxY - rect.Y > 0)
// {
// valueY = currentElementMaxY - rect.Y;
// }
// else if (currentElementMaxY - rect.Y - rect.Height < valueY
// && currentElementMaxY - rect.Y - rect.Height > 0)
// {
// valueY = currentElementMaxY - rect.Y - rect.Height;
// }
// }
// if (valueY < SmartLCTViewModeBase.AdsorbValue + 1 && valueY > 0)
// {
// controlMovingValueY = -valueY;
// _isStartMoveY = true;
// }
// #endregion
// }
// else if (controlMovingValueY > 0 && isMoveY)
// {
// #region 向下移动
// if (rect.Y + rect.Height < currentElementMaxY
// || rect.Y > currentElementMaxY + SmartLCTViewModeBase.AdsorbValue
// || rect.X + rect.Width < currentElementMaxX
// || rect.X > currentElementMaxX + currentElement.Width)
// {
// continue;
// }
// if (rect.Y < currentElementMaxY && rect.Y + rect.Height > currentElementMaxY
// && rect.Y + rect.Height - currentElementMaxY < valueY
// && rect.Y + rect.Height - currentElementMaxY > 0)
// {
// valueY = rect.Y + rect.Height - currentElementMaxY;
// }
// else
// {
// if (rect.Y - currentElementMaxY < valueY && rect.Y - currentElementMaxY > 0)
// {
// valueY = rect.Y - currentElementMaxY;
// }
// else if (rect.Y + rect.Height - currentElementMaxY < valueY
// && rect.Y + rect.Height - currentElementMaxY > 0)
// {
// valueY = rect.Y + rect.Height - currentElementMaxY;
// }
// if (valueY < SmartLCTViewModeBase.AdsorbValue + 1 && valueY > 0)
// {
// controlMovingValueY = valueY;
// _isStartMoveY = true;
// }
// }
// #endregion
// }
//}
// #endregion
// #region 滚动条处理
// Point maxXInThis = new Point();
// Point minXInThis = new Point();
// minXInThis.X = _selectedElementRect.X + controlMovingValueX + _myScreenLayer.X;
// minXInThis.Y = _selectedElementRect.Y + controlMovingValueY + _myScreenLayer.Y;
// maxXInThis.X = _selectedElementRect.X + controlMovingValueX + _selectedElementRect.Width + _myScreenLayer.X;
// maxXInThis.Y = _selectedElementRect.Y + controlMovingValueY + _selectedElementRect.Height + _myScreenLayer.Y;
// maxXInThis = _itemsControl.TranslatePoint(maxXInThis, this);
// minXInThis = _itemsControl.TranslatePoint(minXInThis, this);
//if (isMoveX)
// {
// if (minXInThis.X < 0 && controlMovingValueX < 0)
// {
// if (minXInThis.X - controlMovingValueX < 0)
// {
// _scrollViewer.ScrollToHorizontalOffset(_scrollViewer.HorizontalOffset + controlMovingValueX * Math.Pow(SmartLCTViewModeBase.IncreaseOrDecreaseValue, _myScreenLayer.IncreaseOrDecreaseIndex));
// }
// else
// {
// _scrollViewer.ScrollToHorizontalOffset(_scrollViewer.HorizontalOffset + minXInThis.X * Math.Pow(SmartLCTViewModeBase.IncreaseOrDecreaseValue, _myScreenLayer.IncreaseOrDecreaseIndex));
// }
// }
// else if (maxXInThis.X > this.ActualWidth - (_scrollViewer.ActualWidth - _scrollViewer.ViewportWidth) && controlMovingValueX > 0)
// {
// if (maxXInThis.X - controlMovingValueX > this.ActualWidth - (_scrollViewer.ActualWidth - _scrollViewer.ViewportWidth))
// {
// _scrollViewer.ScrollToHorizontalOffset(_scrollViewer.HorizontalOffset + controlMovingValueX * Math.Pow(SmartLCTViewModeBase.IncreaseOrDecreaseValue, _myScreenLayer.IncreaseOrDecreaseIndex));
// }
// else
// {
// _scrollViewer.ScrollToHorizontalOffset(_scrollViewer.HorizontalOffset + (maxXInThis.X - this.ActualWidth + (_scrollViewer.ActualWidth - _scrollViewer.ViewportWidth)) * Math.Pow(SmartLCTViewModeBase.IncreaseOrDecreaseValue, _myScreenLayer.IncreaseOrDecreaseIndex));
// }
// }
// }
// if (isMoveY)
// {
// if (minXInThis.Y < 0 && controlMovingValueY < 0)
// {
// if (minXInThis.Y - controlMovingValueY < 0)
// {
// _scrollViewer.ScrollToVerticalOffset(_scrollViewer.VerticalOffset + controlMovingValueY * Math.Pow(SmartLCTViewModeBase.IncreaseOrDecreaseValue, _myScreenLayer.IncreaseOrDecreaseIndex));
// }
// else
// {
// _scrollViewer.ScrollToVerticalOffset(_scrollViewer.VerticalOffset + minXInThis.Y * Math.Pow(SmartLCTViewModeBase.IncreaseOrDecreaseValue, _myScreenLayer.IncreaseOrDecreaseIndex));
// }
// }
// else if (maxXInThis.Y > this.ActualHeight - (_scrollViewer.ActualHeight - _scrollViewer.ViewportHeight) && controlMovingValueY > 0)
// {
// if (maxXInThis.Y - controlMovingValueY > this.ActualHeight - (_scrollViewer.ActualHeight - _scrollViewer.ViewportHeight))
// {
// _scrollViewer.ScrollToVerticalOffset(_scrollViewer.VerticalOffset + controlMovingValueY * Math.Pow(SmartLCTViewModeBase.IncreaseOrDecreaseValue, _myScreenLayer.IncreaseOrDecreaseIndex));
// }
// else
// {
// _scrollViewer.ScrollToVerticalOffset(_scrollViewer.VerticalOffset + (maxXInThis.Y - this.ActualHeight + (_scrollViewer.ActualHeight - _scrollViewer.ViewportHeight)) * Math.Pow(SmartLCTViewModeBase.IncreaseOrDecreaseValue, _myScreenLayer.IncreaseOrDecreaseIndex));
// }
// }
// }
// #endregion
// #region 移动与边框改变
// if (controlMovingValueX != 0 || controlMovingValueY != 0)
// {
// _isMoving = true;
// }
// foreach (int i in _currentSelectedElement.Keys)
// {
// if (_currentSelectedElement[i].SelectedGroupElementList.Count == 0)
// {
// continue;
// }
// ObservableCollection<IRectElement> selectedList = _currentSelectedElement[i].SelectedGroupElementList;
// ObservableCollection<IRectElement> noSelectedList = _currentSelectedElement[i].NoSelectedGroupElementList;
// Rect selectedElementRect = _currentSelectedElement[i].SelectedElementRect;
// Rect noSelectedElementRect = _currentSelectedElement[i].NoSelectedElementRect;
// if (controlMovingValueX != 0)
// {
// Console.WriteLine("旧的移动x:" + controlMovingValueX.ToString());
// Function.SetElementCollectionX(selectedList, controlMovingValueX);
// selectedElementRect.X += controlMovingValueX;
// selectedElementRect.X = Math.Round(selectedElementRect.X);
// }
// if (controlMovingValueY != 0)
// {
// Console.WriteLine("旧的移动y:" + controlMovingValueY.ToString());
// Function.SetElementCollectionY(selectedList, controlMovingValueY);
// selectedElementRect.Y += controlMovingValueY;
// selectedElementRect.Y = Math.Round(selectedElementRect.Y);
// }
// if (i != -1 && (controlMovingValueX != 0 || controlMovingValueY != 0))
// {
// if (noSelectedList.Count == 0)
// {
// _groupframeList[i].X += controlMovingValueX;
// _groupframeList[i].Y += controlMovingValueY;
// }
// else
// {
// Rect unionrect = Rect.Union(selectedElementRect, noSelectedElementRect);
// _groupframeList[i].Width = unionrect.Width;
// _groupframeList[i].Height = unionrect.Height;
// _groupframeList[i].X = unionrect.X;
// _groupframeList[i].Y = unionrect.Y;
// }
// _currentSelectedElement[i].SelectedElementRect = selectedElementRect;
// _currentSelectedElement[i].NoSelectedElementRect = noSelectedElementRect;
// }
// else if (i == -1 && (controlMovingValueX != 0 || controlMovingValueY != 0))
// {
// _currentSelectedElement[i].SelectedElementRect = selectedElementRect;
// }
// }
// _selectedElementRect = new Rect();
// foreach (int key in _currentSelectedElement.Keys)
// {
// if (_currentSelectedElement[key].SelectedGroupElementList.Count != 0)
// {
// if (_selectedElementRect == new Rect())
// {
// _selectedElementRect = _currentSelectedElement[key].SelectedElementRect;
// }
// else
// {
// _selectedElementRect = Rect.Union(_selectedElementRect, _currentSelectedElement[key].SelectedElementRect);
// }
// }
// }
// #endregion
#endregion
e.Handled = true;
}
public void Receive_MouseUp(object sender, MouseButtonEventArgs e, IElement element)
{
//if (element is LineElement)
//{
// return;
//}
//清理工作
_isScrollHorizon = false;
_isScrollVertial = false;
if (_addReceiveInfo != null)
{
this.Cursor = Cursors.Arrow;
}
if (this._adorner != null)
{
#region 移动与边框改变
double changedValue = Math.Pow(SmartLCTViewModeBase.IncreaseOrDecreaseValue, _myScreenLayer.IncreaseOrDecreaseIndex);
Point currentAdorner = new Point(_adorner.LeftOffset / changedValue, _adorner.TopOffset / changedValue);
if (_myScreenLayer.OperateEnviron == OperatEnvironment.AdjustSenderLocation ||
_myScreenLayer.OperateEnviron == OperatEnvironment.AdjustScreenLocation)
{
currentAdorner.X -= _myScreenLayer.X;
currentAdorner.Y -= _myScreenLayer.Y;
}
//currentAdorner = this.TranslatePoint(currentAdorner,_itemsControl);
currentAdorner.X = Math.Round(currentAdorner.X);
currentAdorner.Y = Math.Round(currentAdorner.Y);
double controlMovingValueX = currentAdorner.X - _selectedReceiveArea.X;
double controlMovingValueY = currentAdorner.Y - _selectedReceiveArea.Y;
controlMovingValueX = Math.Round(controlMovingValueX);
controlMovingValueY = Math.Round(controlMovingValueY);
if (controlMovingValueX != 0 || controlMovingValueY != 0)
{
_isMoving = true;
}
foreach (int i in _currentSelectedElement.Keys)
{
if (_currentSelectedElement[i].SelectedGroupElementList.Count == 0)
{
continue;
}
ObservableCollection<IRectElement> selectedList = _currentSelectedElement[i].SelectedGroupElementList;
ObservableCollection<IRectElement> noSelectedList = _currentSelectedElement[i].NoSelectedGroupElementList;
Rect selectedElementRect = _currentSelectedElement[i].SelectedElementRect;
Rect noSelectedElementRect = _currentSelectedElement[i].NoSelectedElementRect;
if (controlMovingValueX != 0)
{
Function.SetElementCollectionX(selectedList, controlMovingValueX);
selectedElementRect.X += controlMovingValueX;
selectedElementRect.X = Math.Round(selectedElementRect.X);
}
if (controlMovingValueY != 0)
{
Function.SetElementCollectionY(selectedList, controlMovingValueY);
selectedElementRect.Y += controlMovingValueY;
selectedElementRect.Y = Math.Round(selectedElementRect.Y);
}
if (i != -1 && (controlMovingValueX != 0 || controlMovingValueY != 0))
{
if (noSelectedList.Count == 0)
{
_groupframeList[i].X += controlMovingValueX;
_groupframeList[i].Y += controlMovingValueY;
}
else
{
Rect unionrect = Rect.Union(selectedElementRect, noSelectedElementRect);
_groupframeList[i].Width = unionrect.Width;
_groupframeList[i].Height = unionrect.Height;
_groupframeList[i].X = unionrect.X;
_groupframeList[i].Y = unionrect.Y;
}
_currentSelectedElement[i].SelectedElementRect = selectedElementRect;
_currentSelectedElement[i].NoSelectedElementRect = noSelectedElementRect;
}
else if (i == -1 && (controlMovingValueX != 0 || controlMovingValueY != 0))
{
_currentSelectedElement[i].SelectedElementRect = selectedElementRect;
}
}
_selectedElementRect = new Rect();
foreach (int key in _currentSelectedElement.Keys)
{
if (_currentSelectedElement[key].SelectedGroupElementList.Count != 0)
{
if (_selectedElementRect == new Rect())
{
_selectedElementRect = _currentSelectedElement[key].SelectedElementRect;
}
else
{
_selectedElementRect = Rect.Union(_selectedElementRect, _currentSelectedElement[key].SelectedElementRect);
}
}
}
#endregion
AdornerLayer.GetAdornerLayer(this._dragScope).Remove(this._adorner);
AdornerLayer.GetAdornerLayer(this._dragScope).Remove(this._locationAdorner);
this._adorner = null;
this._locationAdorner = null;
this._dragScope.MouseMove -= draghandler;
this._dragScope.PreviewMouseMove -= draghandler;
}
#region 空格+鼠标移动屏体
if ((Keyboard.GetKeyStates(Key.Space) == KeyStates.Down || (Keyboard.GetKeyStates(Key.Space) == (KeyStates.Down | KeyStates.Toggled))))
{
Layer_MouseLeftButtonUp(sender, e, _myScreenLayer);
e.Handled = true;
return;
}
#endregion
_myScreenLayer = (RectLayer)MyRectLayer.ElementCollection[0];
element.AddressVisible = Visibility.Hidden;
FrameworkElement currentFramework = (FrameworkElement)sender;
#region 记录移动动作
if (_isMoving)
{
RecordEndMoveData();
}
_isMoving = false;
#endregion
#region 框选
if (_isFrameSelected)
{
ObservableCollection<SelectedStateInfo> oldSelectedStateInfoCollection = new ObservableCollection<SelectedStateInfo>();
oldSelectedStateInfoCollection = GetOldSelectedStateInfoCollection();
Function.SetElementCollectionState(_selectedElementCollection, SelectedState.None);
for (int elementIndex = 0; elementIndex < _myScreenLayer.ElementCollection.Count; elementIndex++)
{
if (!(_myScreenLayer.ElementCollection[elementIndex] is RectElement))
{
continue;
}
if ((_myScreenLayer.ElementCollection[elementIndex]).ZOrder == -1)
{
#region 选中框选的元素
RectElement rect1 = (RectElement)_myScreenLayer.ElementCollection[elementIndex];
for (int i = 0; i < _myScreenLayer.ElementCollection.Count; i++)
{
if (_myScreenLayer.ElementCollection[i].EleType != ElementType.receive)
{
continue;
}
IRectElement rect2 = ((IRectElement)_myScreenLayer.ElementCollection[i]);
if (Function.IsRectIntersect(rect1, rect2))
{
if (rect2.EleType == ElementType.receive)
{
((IRectElement)_myScreenLayer.ElementCollection[i]).ElementSelectedState = SelectedState.Selected;
}
}
}
#endregion
((RectLayer)_myScreenLayer).ElementCollection.RemoveAt(elementIndex);
break;
}
}
}
#endregion
GetCurrentElementInfo();
SelectedElementChangedHandle(MouseState.MouseUp);
_isLayerMouseLeftButtonDown = false;
_isFrameSelected = false;
_isMouseLeftButtonDown = false;
currentFramework.ReleaseMouseCapture();
e.Handled = true;
}
private void Receive_MouseMove(object sender, MouseEventArgs e, IElement element)
{
if (element is LineElement)
{
ILineElement lineElement = (LineElement)element;
IRectElement frontElment = lineElement.FrontElement;
IRectElement endElement = lineElement.EndElement;
Point mousePointInLine = e.GetPosition(_itemsControl);
int clickNum = 0;
if (mousePointInLine.X <= frontElment.X + frontElment.Width && mousePointInLine.X >= frontElment.X &&
mousePointInLine.Y <= frontElment.Y + frontElment.Height && mousePointInLine.Y >= frontElment.Y)
{
element = frontElment;
clickNum += 1;
}
else if (mousePointInLine.X <= endElement.X + endElement.Width && mousePointInLine.X >= endElement.X &&
mousePointInLine.Y <= endElement.Y + endElement.Height && mousePointInLine.Y >= endElement.Y)
{
element = endElement;
clickNum += 1;
}
if (clickNum == 2)
{
if (frontElment.ZIndex > endElement.ZIndex)
{
element = frontElment;
}
else if (frontElment.ZIndex < endElement.ZIndex)
{
element = endElement;
}
}
if (clickNum == 0)
{
e.Handled = true;
return;
}
}
FrameworkElement currentFramework = (FrameworkElement)sender;
if (e.LeftButton == MouseButtonState.Pressed)
{
currentFramework.CaptureMouse();
}
else
{
currentFramework.ReleaseMouseCapture();
if (this._adorner != null || (_addReceiveInfo != null && _myScreenLayer.OperateEnviron == OperatEnvironment.DesignScreen))
{
e.Handled = false;
}
else
{
e.Handled = true;
}
return;
}
if (this._adorner != null)
{
e.Handled = false;
return;
}
else
{
if ((Keyboard.GetKeyStates(Key.LeftCtrl) == KeyStates.Down || (Keyboard.GetKeyStates(Key.LeftCtrl) == (KeyStates.Down | KeyStates.Toggled))) ||
(Keyboard.GetKeyStates(Key.RightCtrl) == KeyStates.Down || (Keyboard.GetKeyStates(Key.RightCtrl) == (KeyStates.Down | KeyStates.Toggled))))
{
}
else if (_isMouseLeftButtonDown == true && element.EleType == ElementType.receive && element.ElementSelectedState != SelectedState.None)
{
//虚构选中箱体的区域
_selectedReceiveArea = new Rect();
if (_selectedElementCollection != null && _selectedElementCollection.Count != 0)
{
double changedValue = Math.Pow(SmartLCTViewModeBase.IncreaseOrDecreaseValue, _myScreenLayer.IncreaseOrDecreaseIndex);
#region 1.计算选中箱体的区域
foreach (int groupName in _currentSelectedElement.Keys)
{
Rect currentSelectedRect = _currentSelectedElement[groupName].SelectedElementRect;
if (currentSelectedRect.Height != 0 && currentSelectedRect.Width != 0)
{
if (_selectedReceiveArea == new Rect())
{
_selectedReceiveArea = currentSelectedRect;
}
else
{
_selectedReceiveArea = Rect.Union(_selectedReceiveArea, currentSelectedRect);
}
}
}
#endregion
#region 2.生成虚构的箱体移动区域
//拖动的区域
this._dragScope = _itemsControl as FrameworkElement;
//是否可以拖放
this._dragScope.AllowDrop = true;
draghandler = new MouseEventHandler(DragScope_PreviewDragOver);
//加载处理拖放的路由事件
this._dragScope.MouseMove += draghandler;
this._dragScope.PreviewMouseMove += draghandler;
//鼠标跟随效果的装饰器
Point adornerMousePoint = new Point();
adornerMousePoint = e.GetPosition(this);
adornerMousePoint = this.TranslatePoint(adornerMousePoint, _itemsControl);
//已经是缩放后的真实值
_virtualMoveDifValue = new Point(adornerMousePoint.X - _selectedReceiveArea.X, adornerMousePoint.Y - _selectedReceiveArea.Y);
if (_myScreenLayer.OperateEnviron == OperatEnvironment.AdjustScreenLocation ||
_myScreenLayer.OperateEnviron == OperatEnvironment.AdjustSenderLocation)
{
_virtualMoveDifValue.X -= _myScreenLayer.X;
_virtualMoveDifValue.Y -= _myScreenLayer.Y;
}
//_virtualMoveDifValue.X = Math.Round(_virtualMoveDifValue.X);
//_virtualMoveDifValue.Y = Math.Round(_virtualMoveDifValue.Y);
this._adorner = new DragAdorner(this._dragScope, _selectedReceiveArea.Width, _selectedReceiveArea.Height, adornerMousePoint, 0.5);
//装饰器的位置
this._adorner.LeftOffset = _selectedReceiveArea.X * changedValue;
this._adorner.TopOffset = _selectedReceiveArea.Y * changedValue;
if (_myScreenLayer.OperateEnviron == OperatEnvironment.AdjustSenderLocation ||
_myScreenLayer.OperateEnviron == OperatEnvironment.AdjustScreenLocation)
{
this._adorner.LeftOffset += _myScreenLayer.X * changedValue;
this._adorner.TopOffset += _myScreenLayer.Y * changedValue;
}
this._adorner.Height = _selectedReceiveArea.Height;
this._adorner.Width = _selectedReceiveArea.Width;
this._layer = AdornerLayer.GetAdornerLayer(this._dragScope as Visual);
this._layer.Add(this._adorner);
//显示位置的装饰器
this._locationAdorner = new DragAdorner(this._dragScope, this._adorner);
//this._locationAdorner.TopOffset = adornerMousePoint.Y-20;
//this._locationAdorner.LeftOffset = adornerMousePoint.X;
this._locationAdorner.LeftOffset = _selectedReceiveArea.X * changedValue;
this._locationAdorner.TopOffset = _selectedReceiveArea.Y * changedValue;
if (_myScreenLayer.OperateEnviron == OperatEnvironment.AdjustSenderLocation ||
_myScreenLayer.OperateEnviron == OperatEnvironment.AdjustScreenLocation)
{
this._locationAdorner.LeftOffset += _myScreenLayer.X * changedValue;
this._locationAdorner.TopOffset += _myScreenLayer.Y * changedValue;
}
this._layer.Add(this._locationAdorner);
return;
#endregion
}
}
}
if (_addReceiveInfo != null && _myScreenLayer.OperateEnviron == OperatEnvironment.DesignScreen)
{
e.Handled = false;
return;
}
if (_myScreenLayer != null && _myScreenLayer.CLineType == ConnectLineType.Manual)
{
this.Cursor = Cursors.Hand;
e.Handled = true;
return;
}
#region 空格+鼠标移动屏体
if ((Keyboard.GetKeyStates(Key.Space) == KeyStates.Down || (Keyboard.GetKeyStates(Key.Space) == (KeyStates.Down | KeyStates.Toggled))))
{
Layer_MouseMove(sender, e, _myScreenLayer);
e.Handled = true;
return;
}
#endregion
#region 条件
if (e.LeftButton == MouseButtonState.Pressed)
{
currentFramework.CaptureMouse();
}
else
{
currentFramework.ReleaseMouseCapture();
e.Handled = true;
return;
}
List<IElement> selectedElementList = new List<IElement>();
Point mousePoint = e.GetPosition(currentFramework);
if (element.EleType == ElementType.receive && element.ElementSelectedState == SelectedState.None)
{
if (Keyboard.GetKeyStates(Key.LeftCtrl) == KeyStates.Down || Keyboard.GetKeyStates(Key.LeftCtrl) == (KeyStates.Down | KeyStates.Toggled))
{
//有可能是框选
}
else
{
e.Handled = true;
return;
}
}
if ((!_isMouseLeftButtonDown) || element.ParentElement.IsLocked)
{
e.Handled = true;
return;
}
#endregion
#region 鼠标框选处理
if (((Keyboard.GetKeyStates(Key.LeftCtrl) == KeyStates.Down || (Keyboard.GetKeyStates(Key.LeftCtrl) == (KeyStates.Down | KeyStates.Toggled))) && element.EleType == ElementType.receive) ||
element.EleType == ElementType.screen ||
element.EleType == ElementType.groupframe)
{
Rect oldRect = new Rect();
if (((IRectElement)element.ParentElement).OperateEnviron == OperatEnvironment.DesignScreen)
{
#region 移除前一个(框选的矩形zorder==-1)
for (int elementIndex = 0; elementIndex < _myScreenLayer.ElementCollection.Count; elementIndex++)
{
if (!(_myScreenLayer.ElementCollection[elementIndex] is RectElement))
{
continue;
}
if (((RectElement)_myScreenLayer.ElementCollection[elementIndex]).ZOrder == -1)
{
IRectElement re = (RectElement)_myScreenLayer.ElementCollection[elementIndex];
_myScreenLayer.ElementCollection.RemoveAt(elementIndex);
oldRect = new Rect(re.X, re.Y, re.Width, re.Height);
}
}
#endregion
Point mouseMovePointInThis = e.GetPosition(this);
mouseMovePointInThis.X = mouseMovePointInThis.X;
mouseMovePointInThis.Y = mouseMovePointInThis.Y;
Point mouseMovePointInItemsControl = this.TranslatePoint(mouseMovePointInThis, _itemsControl);
if (mouseMovePointInItemsControl.X > SmartLCTViewModeBase.MaxScreenWidth)
{
mouseMovePointInItemsControl.X = SmartLCTViewModeBase.MaxScreenWidth;
}
if (mouseMovePointInItemsControl.Y > SmartLCTViewModeBase.MaxScreenHeight)
{
mouseMovePointInItemsControl.Y = SmartLCTViewModeBase.MaxScreenHeight;
}
if (mouseMovePointInItemsControl.X < 0)
{
mouseMovePointInItemsControl.X = 0;
}
if (mouseMovePointInItemsControl.Y < 0)
{
mouseMovePointInItemsControl.Y = 0;
}
Point mouseLeftDownPointInItemControl = _mouseLeftDownPointInThis;
double height = Math.Abs(mouseMovePointInItemsControl.Y - mouseLeftDownPointInItemControl.Y);
double width = Math.Abs(mouseMovePointInItemsControl.X - mouseLeftDownPointInItemControl.X);
RectElement rect = new RectElement(mouseLeftDownPointInItemControl.X, mouseLeftDownPointInItemControl.Y, width, height, _myScreenLayer, -1);
if (mouseMovePointInItemsControl.X > mouseLeftDownPointInItemControl.X && mouseMovePointInItemsControl.Y > mouseLeftDownPointInItemControl.Y)
{
rect.X = mouseLeftDownPointInItemControl.X;
rect.Y = mouseLeftDownPointInItemControl.Y;
}
else if (mouseMovePointInItemsControl.X > mouseLeftDownPointInItemControl.X && mouseMovePointInItemsControl.Y < mouseLeftDownPointInItemControl.Y)
{
rect.X = mouseLeftDownPointInItemControl.X;
rect.Y = mouseMovePointInItemsControl.Y;
}
else if (mouseMovePointInItemsControl.X < mouseLeftDownPointInItemControl.X && mouseMovePointInItemsControl.Y > mouseLeftDownPointInItemControl.Y)
{
rect.X = mouseMovePointInItemsControl.X;
rect.Y = mouseLeftDownPointInItemControl.Y;
}
else if (mouseMovePointInItemsControl.X < mouseLeftDownPointInItemControl.X && mouseMovePointInItemsControl.Y < mouseLeftDownPointInItemControl.Y)
{
rect.X = mouseMovePointInItemsControl.X;
rect.Y = mouseMovePointInItemsControl.Y;
}
Thickness margin = new Thickness(rect.X, rect.Y, rect.X + rect.Width, rect.Y + rect.Height);
rect.Margin = margin;
rect.ZOrder = -1;
rect.BackgroundBrush = Brushes.Gray;
rect.Opacity = 0.5;
rect.ZIndex = 8;
rect.MyLockAndVisibleButtonVisible = Visibility.Hidden;
rect.ElementSelectedState = SelectedState.FrameSelected;
rect.EleType = ElementType.frameSelected;
_myScreenLayer.ElementCollection.Add(rect);
_isFrameSelected = true;
Point minPoint = new Point(0, 0);
Point maxPoint = new Point(this.ActualWidth, this.ActualHeight);
minPoint = this.TranslatePoint(minPoint, _itemsControl);
maxPoint = this.TranslatePoint(maxPoint, _itemsControl);
//判断移动的方向
if (oldRect != new Rect())
{
//向右框选
if (oldRect.X == rect.X && oldRect.Width < rect.Width && rect.X + rect.Width > maxPoint.X)
{
_scrollViewer.ScrollToHorizontalOffset(_scrollViewer.HorizontalOffset + rect.X + rect.Width - maxPoint.X);
}
else if (oldRect.X + oldRect.Width == rect.X + rect.Width && oldRect.Width > rect.Width && rect.X > maxPoint.X)
{
_scrollViewer.ScrollToHorizontalOffset(_scrollViewer.HorizontalOffset + rect.X - maxPoint.X);
}
//向左框选
if (oldRect.X + oldRect.Width == rect.X + rect.Width && oldRect.X > rect.X && rect.X < minPoint.X)
{
_scrollViewer.ScrollToHorizontalOffset(_scrollViewer.HorizontalOffset - (minPoint.X - rect.X));
}
else if (oldRect.X == rect.X && oldRect.Width > rect.Width && rect.X + rect.Width < minPoint.X)
{
_scrollViewer.ScrollToHorizontalOffset(_scrollViewer.HorizontalOffset - (minPoint.X - rect.X - rect.Width));
}
//向下框选
if (oldRect.Y == rect.Y && oldRect.Height < rect.Height && rect.Y + rect.Height > maxPoint.Y)
{
_scrollViewer.ScrollToVerticalOffset(_scrollViewer.VerticalOffset + rect.Y + rect.Height - maxPoint.Y);
}
else if (oldRect.Y + oldRect.Height == rect.Y + rect.Height && oldRect.Height > rect.Height && rect.Y > maxPoint.Y)
{
_scrollViewer.ScrollToVerticalOffset(_scrollViewer.VerticalOffset + rect.Y - maxPoint.Y);
}
//向上框选
if (oldRect.Y + oldRect.Height == rect.Y + rect.Height && oldRect.Y > rect.Y && rect.Y < minPoint.Y)
{
_scrollViewer.ScrollToVerticalOffset(_scrollViewer.VerticalOffset - (minPoint.Y - rect.Y));
}
else if (oldRect.Y == rect.Y && oldRect.Height > rect.Height && rect.Y + rect.Height < minPoint.Y)
{
_scrollViewer.ScrollToVerticalOffset(_scrollViewer.VerticalOffset - (minPoint.Y - rect.Y - rect.Height));
}
}
e.Handled = true;
return;
}
}
#endregion
e.Handled = true;
}
