private bool IsReadOnly()
{
if (!this.CanEdit)
{
MessageBoxHelper.ShowInformationMsg("只读状态不允许修改!");
this._dragger = null;
}
return(CanEdit);
}
protected void MouseDownInAComponent(Point thePoint)
{
SelectedLine.Clear();
BaseComponent c = SelectedComponentContaining(thePoint);
if (c == null)
{
return;
}
_myBounds = new Bounds();
_myBounds.AddList(SelectedItems);
_dragger = new Dragger(this, SelectedItems, thePoint, _myBounds);
}
/// <summary>
/// 鼠标键抬起时执行该函数.
/// 由于连线可以拖动来画,所以鼠标抬起时表示可以画一条连线.
/// 由于连线的折点可以改变位置，所以鼠标抬起时也可能是折点位置修改好了。
/// 切换工具的工作模式， 然后判断橡皮圈是否圈选了某些节点，如果是，就把它们添加到SelectedItems中。
/// </summary>
/// <param name="e"></param>
private void WorkPlace_MouseUp(object sender, MouseEventArgs e)
{
if (ToolModel == true) //工具模式下
{
if (this.Module == 0 && _isDrawingLine == true) //画线,终止点
{
Point point = new Point(e.X - this.AutoScrollPosition.X, e.Y - this.AutoScrollPosition.Y);
foreach (BaseComponent c in TaskItems)
{
if (c.Contains(point))
{
_endTask = c;
if (_endTask != _startTask)
{
var l = new Link(_startTask, _endTask)
{
flowGuid = this.WorkFlowId
};
LineItems.Add(l);
IsModify = true;
//添加Undo操作用的
// his.OperationLineItem.Add(l);
}
this._isDrawingLine = false;
break;
}
else
{
_endTask = null;
this._isDrawingLine = false;
}
}
this.Invalidate();
}
ToolModel = LockModel; //是否锁定，画多个任务节点
}
Point p = new Point(e.X - this.AutoScrollPosition.X, e.Y - this.AutoScrollPosition.Y);
//折线
if (this.SelectedLine.Count > 0 && this.CanEdit)
{
if (this.SelectedLine.Count > 0)
{
//oldBreakPoint.Add(link.breakPoint);
if (this._isZhexian)
{
_link.breakPointX[_breakIndex] = p.X;
_link.breakPointY[_breakIndex] = p.Y;
this._breakIndex = -1;
this._isZhexian = false;
IsModify = true;
}
//this.OperationLineItem.Add(link);
//this.OperationType.Add(UndoType.Zhexian);
this.Invalidate();
}
}
//拖拽
if (_dragger != null)
{
if (this.CanEdit && !_dragger.location.Equals(p))
{
_dragger.DragTo(p);
_dragger.End();
IsModify = true;
}
_dragger = null;
return;
}
//橡皮圈选择区域时的鼠标释放
if (_rubberband != null)
{
Rectangle rect = _rubberband.Bounds();
_rubberband.End();
_rubberband = null;
foreach (BaseComponent c in TaskItems)
{
if (rect.Contains(c.bounds))
{
SelectedItems.Add(c);
}
}
this.Invalidate();
}
}
private void SetTaskState(string buttonText)
{
switch (buttonText)
{
case "-1":
WpClient.Module = -1;
break;
case "0":
WpClient.Module = 0;
break;
case "1":
WpClient.Module = 1;
break;
case "2":
WpClient.Module = 2;
break;
case "3":
WpClient.Module = 3;
break;
case "4":
WpClient.Module = 4;
break;
case "5":
WpClient.Module = 5;
break;
case "6":
WpClient.Module = 6;
break;
case "left":
var dragger = new Dragger(WpClient, WpClient.SelectedItems);
dragger.Align(2);
dragger = null;
WpClient.Module = -2;
break;
case "right":
var dragger2 = new Dragger(WpClient, WpClient.SelectedItems);
dragger2.Align(3);
WpClient.Module = -2;
break;
case "top":
var dragger3 = new Dragger(WpClient, WpClient.SelectedItems);
dragger3.Align(1);
WpClient.Module = -2;
break;
case "bottom":
var dragger4 = new Dragger(WpClient, WpClient.SelectedItems);
dragger4.Align(4);
WpClient.Module = -2;
break;
case "exit":
this.Close();
break;
case "save":
WpClient.SaveWorkFlow();
WpClient.Module = -2;
break;
}
}
