public void SelectCells(SelectedCell First, SelectedCell Last)
{
SelectCells(First, Last, false);
}
public void SelectCells(SelectedCell First, SelectedCell Last, bool Mul)
{
//FirstCell = First;
if (!Mul)
{
table.Rows.Clear();
this.Invalidate(true);
idc.Clear();
getNodeID((TreeListNode)null, idc);//获取当前tree中可见的node
}
#region
for (int i = 1; i <= idc.Count; i++)
{
try
{
if (idc[i] == this.GetNodeByVisibleIndex(Last.ID).Id&& !go)
{
inf = i;
go = true;
continue;
}
if (idc[i] == this.GetNodeByVisibleIndex(First.ID).Id&& !go)
{
inf = i;
go = true;
continue;
}
if (idc[i] == this.GetNodeByVisibleIndex(Last.ID).Id&& go)
{
enf = i;
go = false;
break;
}
if (idc[i] == this.GetNodeByVisibleIndex(First.ID).Id&& go)
{
enf = i;
go = false;
break;
}
}
catch { }
}
#endregion
try
{
#region
if (Last.Col > First.Col)
{
#region 当当前鼠标下面的单元格的列索引小于第一个单元格的列索引时
for (int c = this.GetColumnByVisibleIndex(First.Col).VisibleIndex; c < this.GetColumnByVisibleIndex(Last.Col).VisibleIndex + 1; c++)
{
for (int i = inf; i < enf + 1; i++)
{
if (inf != 0)
{
if (!table.Rows.Contains(new object[] { idc[i], c }))
{
TreeListNode node1 = this.GetNodeByVisibleIndex(i - 1);
TreeListColumn col1 = this.GetColumnByVisibleIndex(c);
double val = 0;
double.TryParse(node1.GetDisplayText(col1), out val);
this.table.Rows.Add(new object[] { idc[i], c, node1, col1, val });
}
}
}
}
#endregion
}
else
{
#region 当当前鼠标下面的单元格的列索引大于第一个单元格的列索引时
for (int c = this.GetColumnByVisibleIndex(Last.Col).VisibleIndex; c < this.GetColumnByVisibleIndex(First.Col).VisibleIndex + 1; c++)
{
for (int i = inf; i < enf + 1; i++)
{
if (inf != 0)
{
if (!table.Rows.Contains(new object[] { idc[i], c }))
{
TreeListNode node1 = this.GetNodeByVisibleIndex(i - 1);
TreeListColumn col1 = this.GetColumnByVisibleIndex(c);
double val = 0;
double.TryParse(node1.GetDisplayText(col1), out val);
table.Rows.Add(new object[] { idc[i], c, node1, col1 });
}
}
}
}
#endregion
}
#endregion
}
catch { }
this.Invalidate(true);
}
private void TreeGrid_MouseDown(object sender, MouseEventArgs e)
{
//每一次点击后，更新字典idc，可优化为数据源改变+从新排序后
idc.Clear();
getNodeID((TreeListNode)null, idc);//获取当前tree中可见的node
#region 当失去焦点后，又重新获得焦点点击时判断是不是按下了Ctrl键
//当点击的时候获取这个东西
if (Control.ModifierKeys == Keys.Control)
{
isKeyCtrl = true;
}
else
{
isKeyCtrl = false;
}
#endregion
AllSelect = false; //丢弃全选状态
this.Invalidate(true); //重新绘制背景
isMouseDown = false; //丢弃鼠标按下状态
#region 必须是按下鼠标左键，并且选中模式必须是Marquee
if (e.Button == MouseButtons.Left && SelectMode == SelectModeEnum.Marquee)
{
Point p = this.PointToClient(Cursor.Position);
isMouseDown = true;
//当鼠标按下准备拖选的时候，如果某格单元格有输入焦点，则不能够进行这个操作
CellInfo cell = this.ViewInfo.GetHitTest(p).CellInfo;
if (cell == null || cell.Focused)
{
isMouseDown = false;
}
#region 还原未选中状态等
if (!isKeyCtrl)
{
table.Rows.Clear();
}
go = false;
index = 0;
inf = 1;
enf = 0;
#endregion
TreeListNode node = this.ViewInfo.GetHitTest(p).Node;
TreeListColumn col = this.ViewInfo.GetHitTest(p).Column;
//符合选择要求后，把当前单元格记录为第一个单元格
if (node != null && col != null)
{
FirstCell = new SelectedCell();
FirstCell.Col = col.VisibleIndex;//.ColumnHandle;
FirstCell.ID = node.Id;
//重新绘制后，将第一个单元格添加到选中集合
if (!table.Rows.Contains(new object[] { node.Id, col.VisibleIndex }))
{
double val = 0;
double.TryParse(node.GetDisplayText(col), out val);
table.Rows.Add(new object[] { FirstCell.ID, FirstCell.Col, node, col, val });
}
}
//else
//{
// FirstCell = null;
//}
this.Invalidate(true);
}
#endregion
}
