protected override void OnParentMouseDown(object sender, MouseButtonEventArgs e)
{
if (e.LeftButton != MouseButtonState.Pressed)
{
return;
}
_startPoint = e.GetPosition(this);
_lastPoint = _startPoint;
if (!BlockConverter.CanConvert(PointOutBlock))
{
return;
}
_canMove = PointOutBlock != null && !BlockConverter.GetLocked(PointOutBlock);
if (_canMove)
{
StartMouseMovementTracking();
var date = AxisXConverter.ScreenToData(0);
var newDate = date.Add(StepMin);
_stepMinDistance = AxisXConverter.DataToScreen(newDate);
}
}
public override void Initialize()
{
base.Initialize();
_startTime = AxisXConverter.ScreenToData(Math.Min(0, -AxisPanel.HorizontalOffset));//AxisXConverter.ViewportToData(0);
_enquiryStartTime = _startTime.AddDays(Global.HeadDayAmount);
base.OnLoaded();
}
protected override double GetCellInterval()
{
var dateTime = AxisXConverter.ScreenToData(0);
var hourWidth = AxisXConverter.DataToScreen(dateTime.AddHours(1));
//每个小时的长度除以PerHourCount;
return(hourWidth / PerHourCount);
}
protected override int GetStartIndex(double xTransform)
{
//得到相对于大容器的位置
//var startTime = AxisXConverter.ScreenToData(-AxisPanel.HorizontalOffset);//AxisXConverter.ViewportToScreen(0)
//var screenTime = AxisXConverter.ScreenToData(xTransform);
// index = screenTime.Subtract(startTime).TotalHours * PerHourCount;
var screenStartTime = AxisXConverter.ScreenToData(0);
return((int)(screenStartTime.Subtract(_enquiryStartTime).TotalMinutes / 15));
//return (int)index;)
return(0);
}
protected void MouseMoving(Point point)
{
//if(_startPoint == null || _lastPoint == null)
//{
// return;
//}
var distance = point.X - (_startPoint == null ? 0 : _startPoint.Value.X);
_lastPoint = new Point(point.X - distance % _stepMinDistance, point.Y); // do not modify 每格移动，减去不到标准距离的值
//Henry modified
MoveSpan = AxisXConverter.ScreenToData(GetMoveOffSet()).Subtract(AxisXConverter.ScreenToData(0)); // was => NotifyBlocknewPositionInfoList();
DropedPlacement = new TimeRange(PointOutBlock.Start.Add(MoveSpan).AddSeconds(0.1), PointOutBlock.End.Add(MoveSpan).AddSeconds(0.1));
_isMoving = true;
}
protected override void OnParentDragOver(DragEventArgs e)
{
_isDragLeave = false;
var point = e.GetPosition(this);
if (_startPoint == null || _startPoint.Value.X < 0)
{
var date = AxisXConverter.ScreenToData(0);
var newDate = date.Add(StepMin);
_stepMinDistance = AxisXConverter.DataToScreen(newDate);
var pointTime = AxisXConverter.ScreenToData(point.X - point.X % _stepMinDistance).ConvertToMultiplesOfFive();
System.Diagnostics.Debug.Print(pointTime.ToString());
var arg = default(DragingRoutedEventArgs);
var data = e.Data.GetData("Castle.Proxies.TermStyleProxy");
if (data != null)
{
arg = new DragingRoutedEventArgs(pointTime, data, DraggingEvent, this);
RaiseEvent(arg);
}
if (arg != null && arg.Target != null)
{
_startPoint = point;
_lastPoint = _startPoint;
}
else
{
_startPoint = null;
_lastPoint = null;
}
PointOutBlock = arg == null ? null : arg.Target;
}
_canMove = PointOutBlock != null;
if (_canMove)
{
MouseMoving(point);
InvalidateVisual();
}
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
if (AxisPanel == null)
{
return;
}
var point = e.GetPosition(this);
WatchTime = AxisXConverter.ScreenToData(point.X);
if (_popup == null)
{
return;
}
_popup.HorizontalOffset = point.X + HorizontalOffset;
_popup.VerticalOffset = point.Y - RenderSize.Height + VerticalOffset;
}
protected override void OnParentMouseDown(object sender, MouseButtonEventArgs e)
{
//xif (LayerContainer.TryPrevent()) return;
if (e.LeftButton != MouseButtonState.Pressed)
{
return;
}
_startPoint = e.GetPosition(this);
_lastPoint = _startPoint;
FlagAdd(MouseState.MouseDown);
var date = AxisXConverter.ScreenToData(0);
var newDate = date.Add(StepMin);
_stepMinDistance = AxisXConverter.DataToScreen(newDate);
if (FlagExist(MouseState.LeftDirection) || FlagExist(MouseState.RightDirection))
{
e.Handled = true;
InvalidPlacement = true; // 注意 首次按下鼠标时先设定没任何拖动之前都不是有效的位置改变
StartMouseMovementTracking();
}
}
private object PointoutBlock(Point e)
{
var y = e.Y; //- GetHeaderHeight();
//var y1 = AxisYConverter.ScreenToData(y);
//var y2 = (int)(y / Interval) + AxisYConverter.ScreenToData(0);
//if (y1 != y2)
// Debug.Print(string.Format("-------- ViewportToDataY called : y1 = {0} y2 = {1}", y1, y2));
// BMK Ambiguous getRowIndex
PointOutDataRowIndex = AxisYConverter.ScreenToData(y);
object fountBlock = null;
if (ItemsSource != null && 0 <= PointOutDataRowIndex && PointOutDataRowIndex < ItemsSource.Count)
{
var dateTime = AxisXConverter.ScreenToData(e.X); // current mouse moved postion
var positionY = y % Interval; // for Top useage
if (CellMode)
{
var date = dateTime.Date;
ItemsSource[PointOutDataRowIndex].SaftyInvoke <IEnumerable>(
o =>
{
fountBlock = o.OfType <ITerm>().FirstOrDefault(t =>
{
//using HrDate
var blockStart = BlockConverter.GetStart(t);
return((date == blockStart) && !TryPrevent(t));
});
});
if (RecursivelyPointout)
{
ItemsSource[PointOutDataRowIndex].SaftyInvoke <IDateIndexer <DateTerm> >(o => o[date].SaftyInvoke(b => fountBlock = b));
}
}
else
{
ItemsSource[PointOutDataRowIndex].SaftyInvoke <IEnumerable>(
o =>
{
fountBlock = o.OfType <ITerm>().LastOrDefault(block =>
{
var blockStart = BlockConverter.GetStart(block);
var blockTop = BlockConverter.GetTop(block);
return((blockStart <= dateTime && dateTime < block.End &&
blockTop <= positionY && (BlockConverter.GetHeight(block) + blockTop) >= positionY) && !TryPrevent(block));
});
});
}
}
if (fountBlock != null)
{
PointOutDataRowTop = (e.Y - e.Y % Interval) + BlockConverter.GetTop(fountBlock);
}
return(fountBlock);
}
protected override void OnParentMouseMove(object sender, MouseEventArgs e)
{
//xif (LayerContainer.TryPrevent()) return;
var point = e.GetPosition(this);
if (!FlagExist(MouseState.MouseDown))
{
MoveStateCheck(point); // 尝试变更鼠标样式
}
else
{
var moveDirection = MouseState.MouseOver;
if (FlagExist(MouseState.LeftDirection))
{
moveDirection = MouseState.LeftDirection;
}
if (FlagExist(MouseState.RightDirection))
{
moveDirection = MouseState.RightDirection;
}
//未发现任何左右拉动现象
if (moveDirection == MouseState.MouseOver)
{
return;
}
//var step = AxisXConverter.ScreenToData(distance) - AxisPanel.ScreenStart;
//if (!(PointOutBlock.End >= PointOutBlock.Start.AddMinutes(step.TotalMinutes))
// || !(PointOutBlock.End.AddMinutes(step.TotalMinutes) >= PointOutBlock.Start))
// return;
var distance = point.X - _startPoint.X;
_lastPoint = new Point(point.X - distance % _stepMinDistance, point.Y); // 刻度式移动,根据 stepMinDistance(通常为5)步进
var moveSpan = AxisXConverter.ScreenToData(GetMoveOffSet()).Subtract(AxisXConverter.ScreenToData(0));
var draggingPlacement = default(TimeRange);
switch (moveDirection)
{
case MouseState.LeftDirection:
draggingPlacement = PointOutBlock == null ? default(TimeRange) : new TimeRange(PointOutBlock.Start.Add(moveSpan).AddSeconds(0.1), PointOutBlock.End);
break;
case MouseState.RightDirection:
draggingPlacement = PointOutBlock == null ? default(TimeRange) : new TimeRange(PointOutBlock.Start, PointOutBlock.End.Add(moveSpan).AddSeconds(0.1));
break;
}
InvalidPlacement = draggingPlacement == default(TimeRange) || draggingPlacement.Invalid; // 检查Start, End数据正确性(通常Start不能大于End)
if (InvalidPlacement)
{
DropedPlacement = null;
return;
}
DropedPlacement = draggingPlacement;
e.Handled = true;
InvalidateVisual();
}
}
