/// <summary>
/// 在移除项时将添加时的部分属性还原，成功返回true。如果成功则移除该项
/// </summary>
/// <param name="value"></param>
protected virtual bool RestoreItemAttribute(int value)
{
if (value >= 0 && value < this.m_Owner.List.Count)
{
ISetViewItemHelper pSetViewItemHelper = this.m_Owner.List[value] as ISetViewItemHelper;
if (pSetViewItemHelper != null &&
pSetViewItemHelper.SetViewParameterStyle(ViewParameterStyle.eNone) &&
value >= this.m_Owner.TopViewItemIndex && value <= this.m_Owner.BottomViewItemIndex)
{
IOwner pOwner = this.m_Owner as IOwner;
if (pOwner != null)
{
ViewItem viewItem = this.m_Owner.List[value] as ViewItem;
if (viewItem != null)
{
Rectangle rectangle = viewItem.DisplayRectangle;
rectangle.Inflate(1, 1);
pOwner.Invalidate(rectangle);
}
}
}
}
return(true);
}
protected virtual void DrawItem(System.Windows.Forms.PaintEventArgs e)
{
//Rectangle rectangle = this.DisplayRectangle;
IViewItemOwner pViewItemOwner = this.pOwner as IViewItemOwner;
Rectangle viewItemsRectangle = e.ClipRectangle;// pViewItemOwner == null ? rectangle : pViewItemOwner.ViewItemsRectangle;
GISShare.Controls.WinForm.WFNew.LayoutEngine.LayoutStackH_Row(e.Graphics, this, viewItemsRectangle, this.DisplayRectangle, ref this._TopViewItemIndex, ref this._BottomViewItemIndex);
ViewItem viewItem = null;
IMessageChain pMessageChain;
for (int i = this.TopViewItemIndex; i <= this.BottomViewItemIndex; i++)
{
viewItem = this.ViewItems[i];
if (viewItem == null)
{
continue;
}
Rectangle clipRectangle = Rectangle.Intersect(viewItemsRectangle, viewItem.DisplayRectangle);
if (clipRectangle.Width > 0 && clipRectangle.Height > 0)
{
pMessageChain = viewItem as IMessageChain;
if (pMessageChain != null)
{
e.Graphics.SetClip(clipRectangle);
MessageInfo messageInfo = new MessageInfo(this, MessageStyle.eMSPaint, new PaintEventArgs(e.Graphics, clipRectangle));
pMessageChain.SendMessage(messageInfo);
}
}
}
#region 已抛弃（布局移植到LayoutEngine）
//Rectangle rectangle = this.DisplayRectangle;
//int iW = 0;
//int iOffsetX = 0;
////
//IViewItemOwner pViewItemOwner = this.pOwner as IViewItemOwner;
//Rectangle viewItemsRectangle = pViewItemOwner == null ? rectangle : pViewItemOwner.ViewItemsRectangle;
////
//ViewItem viewItem = null;
//int iCount = this.ViewItems.Count;
//int iLeftX = 0;
//int iRightX = 0;
//int iLeftIndex = 0;
//int iRightIndex = iCount;
//for (int i = 0; i < iCount; i++)
//{
// viewItem = this.ViewItems[i];
// //
// iW = viewItem.MeasureSize(e.Graphics).Width;
// iLeftX = rectangle.Left + iOffsetX;
// iRightX = iLeftX + iW;
// if (iRightX <= viewItemsRectangle.Left)
// {
// iLeftIndex++;
// }
// else if (iLeftX >= viewItemsRectangle.Right)
// {
// iRightIndex--;
// }
// else
// {
// ISetViewItemHelper pSetViewItemHelper = viewItem as ISetViewItemHelper;
// if (pSetViewItemHelper != null)
// {
// pSetViewItemHelper.SetViewItemDisplayRectangle(new Rectangle(iLeftX, rectangle.Top, iW, rectangle.Height));
// //
// Rectangle clipRectangle = Rectangle.Intersect(viewItemsRectangle, viewItem.DisplayRectangle);
// if (clipRectangle.Width > 0 && clipRectangle.Height > 0)
// {
// IMessageChain pMessageChain = viewItem as IMessageChain;
// if (pMessageChain != null)
// {
// e.Graphics.SetClip(clipRectangle);
// MessageInfo messageInfo = new MessageInfo(this, MessageStyle.eMSPaint, new PaintEventArgs(e.Graphics, clipRectangle));
// pMessageChain.SendMessage(messageInfo);
// }
// }
// }
// }
// //
// iOffsetX += iW;
//}
////
//this.m_TopViewItemIndex = iLeftIndex;
//this.m_BottomViewItemIndex = iRightIndex - 1;
#endregion
}
private void MSMouseUp(MessageInfo messageInfo)
{
if (this.m_OperationStyle == 0)
{
MouseEventArgs mouseEventArgs = messageInfo.MessageParameter as MouseEventArgs;
if (mouseEventArgs != null)
{
ISizeViewItem pSizeViewItem = this.ViewItems[this.m_MouseDownSelectedIndex];
if (pSizeViewItem != null)
{
//pSizeViewItem.Width += mouseEventArgs.Location.X - this.m_MouseDownPoint.X;
//this.Invalidate(this.DisplayRectangle);
int iW = mouseEventArgs.Location.X - this.m_MouseDownPoint.X;
int iW_pre = pSizeViewItem.Width;
pSizeViewItem.Width += iW;
iW = pSizeViewItem.Width - iW_pre;
if (iW != 0)
{
if (this.IsFilled)
{
pSizeViewItem = this.ViewItems[this.m_MouseDownSelectedIndex + 1];
if (pSizeViewItem != null)
{
pSizeViewItem.Width -= iW;
}
}
this.Invalidate(this.DisplayRectangle);
}
}
}
//
Control ctr = this.TryGetDependControl_DG(this.pOwner);
if (ctr != null)
{
ctr.Cursor = this.m_CursorDefault;
}
//
messageInfo.CancelPreEvent = true;//取消事件 1
}
else if (this.m_OperationStyle == 1)
{
MouseEventArgs mouseEventArgs = messageInfo.MessageParameter as MouseEventArgs;
if (mouseEventArgs != null)
{
this.Height += mouseEventArgs.Location.Y - this.m_MouseDownPoint.Y;
if (this.DisplayRectangle.Height >= this.Height)
{
this.Invalidate(this.DisplayRectangle);
}
else
{
this.Invalidate(new Rectangle(this.DisplayRectangle.X, this.DisplayRectangle.Y, this.DisplayRectangle.Width, this.Height));
}
}
//
Control ctr = this.TryGetDependControl_DG(this.pOwner);
if (ctr != null)
{
ctr.Cursor = this.m_CursorDefault;
}
//
messageInfo.CancelPreEvent = true;//取消事件 2
}
else if (this.m_OperationStyle == 2)
{
MouseEventArgs mouseEventArgs = messageInfo.MessageParameter as MouseEventArgs;
if (mouseEventArgs != null)
{
ViewItem viewItem = null;
for (int i = this.TopViewItemIndex; i <= this.BottomViewItemIndex; i++)
{
viewItem = this.ViewItems[i];
if (viewItem.DisplayRectangle.Contains(mouseEventArgs.Location))
{
this.ViewItems.ExchangeItem(this.m_MouseDownSelectedIndex, i);
}
}
}
//
Control ctr = this.TryGetDependControl_DG(this.pOwner);
if (ctr != null)
{
ctr.Cursor = this.m_CursorDefault;
}
}
else
{
IMessageChain pMessageChain;
for (int i = this.TopViewItemIndex; i <= this.BottomViewItemIndex; i++)
{
pMessageChain = this.ViewItems[i] as IMessageChain;
if (pMessageChain != null)
{
pMessageChain.SendMessage(messageInfo);//new MessageInfo(this, messageInfo.eMessageStyle, messageInfo.MessageParameter)
}
}
}
//
this.m_OperationStyle = -1;
this.m_MouseDownPoint = Point.Empty;
this.m_MouseDownSelectedIndex = -1;
this.m_CursorDefault = Cursors.Default;
}
private void MSMouseDown(MessageInfo messageInfo)
{
MouseEventArgs mouseEventArgs = messageInfo.MessageParameter as MouseEventArgs;
if (mouseEventArgs != null)
{
if (this.CanResizeItemHeight && this.DisplayRectangle.Bottom - CONST_RESIZERECTANGLESIZE <= mouseEventArgs.Location.Y)
{
this.m_OperationStyle = 1;
this.m_MouseDownPoint = mouseEventArgs.Location;
this.m_MouseDownSelectedIndex = -1;
Control ctr = this.TryGetDependControl_DG(this.pOwner);
if (ctr != null)
{
this.m_CursorDefault = ctr.Cursor;
ctr.Cursor = Cursors.SizeNS;
}
messageInfo.CancelPreEvent = true;//取消事件 1
//Console.WriteLine(this.ToString() + " - " + this.m_OperationStyle);
}
else
{
ViewItem viewItem = null;
for (int i = this.TopViewItemIndex; i <= this.BottomViewItemIndex; i++)
{
viewItem = this.ViewItems[i];
if (viewItem == null)
{
continue;
}
//
if (viewItem.DisplayRectangle.Contains(mouseEventArgs.Location))
{
if (this.CanResizeItemWidth && viewItem.DisplayRectangle.Right - CONST_RESIZERECTANGLESIZE <= mouseEventArgs.Location.X)
{
this.m_OperationStyle = 0;
this.m_MouseDownPoint = mouseEventArgs.Location;
this.m_MouseDownSelectedIndex = i;
Control ctr = this.TryGetDependControl_DG(this.pOwner);
if (ctr != null)
{
this.m_CursorDefault = ctr.Cursor;
ctr.Cursor = Cursors.SizeWE;
}
messageInfo.CancelPreEvent = true;//取消事件 2
break;
}
else
{
//if (this.CanExchangeItem)
//{
// this.m_OperationStyle = 2;
// this.m_MouseDownSelectedIndex = i;
// Control ctr = this.TryGetDependControl_DG(this.pOwner);
// if (ctr != null)
// {
// this.m_CursorDefault = ctr.Cursor;
// ctr.Cursor = Cursors.Hand;
// }
//}
//else
//{
// IMessageChain pMessageChain = viewItem as IMessageChain;
// if (pMessageChain != null)
// {
// pMessageChain.SendMessage(messageInfo);//new MessageInfo(this, messageInfo.eMessageStyle, messageInfo.MessageParameter)
// }
//}
IMessageChain pMessageChain = viewItem as IMessageChain;
if (pMessageChain != null)
{
pMessageChain.SendMessage(messageInfo);//new MessageInfo(this, messageInfo.eMessageStyle, messageInfo.MessageParameter)
}
//
this.SelectedIndex = i;
}
//
break;
}
}
}
}
}