/// <summary>
/// 得到光标需要的状态VSplit或HSplit
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <returns></returns>
private string GetCursorNeedStatus(int x, int y, out TPTextCell dragCell)
{
Point p = new Point(x, y);
dragCell = new TPTextCell();
string cursorStatus = string.Empty;
for (int i = 0; i < this.allRows.Count; i++)
{
//从第二列开始.cell的左边的边框总是存在的.
for (int k = 1; k < this.allRows[i].Cells.Count; k++)
{
TPTextCell cell = this.allRows[i].Cells[k];
if (cell.Merged == false)
{
if (p.X >= (cell.RealLeft - 5) && p.X <= (cell.RealLeft + 5) && p.Y >= (cell.RealTop) && p.Y <= (cell.RealTop + cell.Height))
{
cursorStatus = s_CursorVSplit;
dragCell = cell;
}
if (p.X >= (cell.RealLeft) && p.X <= (cell.RealLeft + cell.Width) && p.Y >= (cell.RealTop - 5) && p.Y <= (cell.RealTop + 5))
{
cursorStatus = s_CursorHSplit;
//TODO: 鼠标调整高度,暂无实现;
}
}
}
}
return(cursorStatus);
}
/// <summary>
/// <para>获取当前单元格是否在被合并的cell所跨越行的范围内</para>
/// <para>如果是则返回那个被行合并的cell,否则返回null</para>
/// </summary>
/// <returns></returns>
internal TPTextCell IsInRowSpan(TPTextCell cell)
{
for (int row = 0; row < allRows.Count; row++)
{
int rowSpan = 0;
TPTextCell spanCell = null;
for (int col = 0; col < allRows[row].Cells.Count; col++)
{
if (allRows[row].Cells[col].Rowspan > 1)
{
rowSpan = allRows[row].Cells[col].Rowspan;
spanCell = allRows[row].Cells[col];
break;
}
}
for (int i = row; i < row + rowSpan; i++)
{
for (int j = 0; j < allRows[i].Cells.Count; j++)
{
if (cell == allRows[i].Cells[j])
{
return(spanCell);
}
}
}
if (rowSpan != 0)
{
row = row + rowSpan - 1;
}
}
return(null);
}
/// <summary>
/// 在指定列处插入一个新列
/// </summary>
/// <param name="colIndex">Index of the col.</param>
/// <param name="cell">The cell.</param>
public void InsertColumns(int colIndex, TPTextCell cell)
{
this.columns = this.absoluteWidths.Length + 1;
this.absoluteWidths = new int[this.columns];
SetTotalWidth(0);
for (int i = 0; i < allRows.Count; i++)
{
allRows[i].InsertCell(colIndex, cell);
}
}
/// <summary>
/// 向表格的末尾添加一列
/// </summary>
/// <param name="aColumns"></param>
public void AddColumns(TPTextCell cell)
{
this.columns = this.absoluteWidths.Length + 1;
this.absoluteWidths = new int[this.columns];
SetTotalWidth(0);
for (int i = 0; i < allRows.Count; i++)
{
allRows[i].AddCell(cell);
}
}
/// <summary>
/// 获得当前元素所在的单元格(当前正在操作的cell)
/// </summary>
/// <returns></returns>
internal TPTextCell GetCurrentCell()
{
//获取当前元素
ZYTextElement currentEle = OwnerDocument.Content.CurrentElement;
TPTextCell cell = OwnerDocument.Content.GetParentByElement(currentEle, ZYTextConst.c_Cell) as TPTextCell;
if (cell != null)
{
return(cell);
}
return(null);
}
/// <summary>
/// 设置需要记录拖拽的单元格
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
private void SetRecordDragCell(int x, int y)
{
TPTextCell cell;
string cursorStatus = GetCursorNeedStatus(x, y, out cell);
if (cursorStatus == s_CursorVSplit)
{
dragCell = cell;
}
else if (cursorStatus == s_CursorHSplit)
{
//TODO: 鼠标调整高度,暂无实现;
}
}
public TPTextCell(TPTextCell cell)
{
this.colspan = cell.Colspan;
this.rowspan = cell.Rowspan;
this.horizontalAlignment = cell.HorizontalAlignment;
this.verticalAlignment = cell.VerticalAlignment;
this.bolSelected = cell.Selected;
this.Width = cell.Width;
this.Height = cell.Height;
this.backgroundColor = cell.backgroundColor;
this.PaddingTop = cell.PaddingTop;
this.PaddingRight = cell.PaddingRight;
this.PaddingBottom = cell.PaddingBottom;
this.PaddingLeft = cell.PaddingLeft;
this.BorderWidth = cell.BorderWidth;
this.BorderWidthTop = cell.BorderWidthTop;
this.BorderWidthRight = cell.BorderWidthRight;
this.BorderWidthBottom = cell.BorderWidthBottom;
this.BorderWidthLeft = cell.BorderWidthLeft;
this.BorderColor = cell.BorderColor;
this.BorderColorTop = cell.BorderColorTop;
this.BorderColorRight = cell.BorderColorRight;
this.BorderColorBottom = cell.BorderColorBottom;
this.BorderColorLeft = cell.BorderColorLeft;
this.BorderStyle = cell.BorderStyle;
this.BorderStyleTop = cell.BorderStyleTop;
this.BorderStyleRight = cell.BorderStyleRight;
this.BorderStyleBottom = cell.BorderStyleBottom;
this.BorderStyleLeft = cell.BorderStyleLeft;
this.ItalicLineStyleInCell = cell.ItalicLineStyleInCell;//Add by wwj 2012-05-29
this.para = new ZYTextParagraph();
para.Parent = this;
myChildElements.Add(para);
}
/// <summary>
/// 单元格深度复制 Add by wwj 2012-05-30
/// </summary>
/// <returns></returns>
public TPTextCell Clone()
{
TPTextCell newCell = new TPTextCell();
newCell.myOwnerDocument = this.myOwnerDocument;
newCell.myChildElements.Clear();
newCell.colspan = Colspan;
newCell.rowspan = Rowspan;
newCell.horizontalAlignment = HorizontalAlignment;
newCell.verticalAlignment = VerticalAlignment;
newCell.bolSelected = Selected;
newCell.Width = Width;
newCell.Height = Height;
newCell.backgroundColor = backgroundColor;
newCell.PaddingTop = PaddingTop;
newCell.PaddingRight = PaddingRight;
newCell.PaddingBottom = PaddingBottom;
newCell.PaddingLeft = PaddingLeft;
newCell.BorderWidth = BorderWidth;
newCell.BorderWidthTop = BorderWidthTop;
newCell.BorderWidthRight = BorderWidthRight;
newCell.BorderWidthBottom = BorderWidthBottom;
newCell.BorderWidthLeft = BorderWidthLeft;
newCell.BorderColor = BorderColor;
newCell.BorderColorTop = BorderColorTop;
newCell.BorderColorRight = BorderColorRight;
newCell.BorderColorBottom = BorderColorBottom;
newCell.BorderColorLeft = BorderColorLeft;
newCell.BorderStyle = BorderStyle;
newCell.BorderStyleTop = BorderStyleTop;
newCell.BorderStyleRight = BorderStyleRight;
newCell.BorderStyleBottom = BorderStyleBottom;
newCell.BorderStyleLeft = BorderStyleLeft;
newCell.ContentHeight = ContentHeight;
newCell.ItalicLineStyleInCell = ItalicLineStyleInCell;//Add by wwj 2012-05-29
//***************************************
newCell.ChildElements.Clear();
for (int i = 0; i < myChildElements.Count; i++)//遍历单元格中的段落
{
ZYTextParagraph para = myChildElements[i] as ZYTextParagraph;
if (para != null)
{
ZYTextParagraph newPara = new ZYTextParagraph();
newPara.Parent = newCell;
newPara.OwnerDocument = newCell.OwnerDocument;
newCell.myChildElements.Add(newPara);
StringBuilder sb = new StringBuilder();
para.GetFinalText(sb);
newPara.Align = para.Align;
foreach (ZYTextElement myElement in para.ChildElements) //遍历段落中的没有元素
{
if (myElement is ZYTextChar) //如果文本元素
{
ZYTextChar oldChar = myElement as ZYTextChar;
ZYTextChar NewChar = ZYTextChar.Create(oldChar.Char);
NewChar.OwnerDocument = newCell.OwnerDocument;
NewChar.Parent = newPara;
newPara.InsertBefore(NewChar, newPara.LastElement);
NewChar.FontName = oldChar.FontName;
NewChar.FontSize = oldChar.FontSize;
NewChar.Height = oldChar.Height;
NewChar.Width = oldChar.Width;
NewChar.Sub = oldChar.Sub;
NewChar.Sup = oldChar.Sup;
}
}
}
}
//***************************************
newCell.UpdateBounds();
return(newCell);
}
public override bool HandleMouseDown(int x, int y, MouseButtons Button)
{
//应该得到鼠标单击时,是单击的那个单元格.以便在MouseMove事件里,判断是否划选出了当前单元格边界
if (Button == MouseButtons.Left)
{
LastMousePosition = new Point(x, y);
//Debug.WriteLine("● Table大小=" + this.GetContentBounds().ToString());
//如果是在表格内点击
if (this.GetContentBounds().Contains(LastMousePosition) && OwnerDocument.OwnerControl.Cursor == Cursors.IBeam)
{
for (int i = 0; i < this.allRows.Count; i++)
{
for (int k = 0; k < this.allRows[i].Cells.Count; k++)
{
//将已经选中的cell添加到无效区域内
if (this.allRows[i][k].Selected == true || this.allRows[i][k].CanAccess == true)
{
OwnerDocument.OwnerControl.AddInvalidateRect(this.allRows[i][k].GetContentBounds());
//使所有已经选中的cell设为没有选中的状态
this.allRows[i][k].Selected = false;
this.allRows[i][k].CanAccess = false;
}
//找到当前点击的那个cell
if (this.allRows[i][k].IsContain(x, y))
{
currentCell = this.allRows[i][k];
currentCell.CanAccess = true;
//Debug.WriteLine("● (" + i + "," + k +")被选择");
//Debug.WriteLine(IsInRowSpan(currentCell) ? "●在rowspan●" : "●no inside●");
}
}
}
//刷新无效区域
myOwnerDocument.OwnerControl.UpdateInvalidateRect();
return(false);
}
else if (this.GetContentBounds().Contains(LastMousePosition) && OwnerDocument.OwnerControl.Cursor == Cursors.VSplit)
{
//得到要拖拽的单元格，在按下鼠标的时候记录下拖拽的单元格 Modified by wwj 2012-02-16
SetRecordDragCell(x, y);
//TODO: 当鼠标出于cell的边界处时.此时点击,应该显示一条全页范围内的的纵向虚线,用来拖拽. [ 虚线暂时弄不出来,以后再改 ]
//down时,根绝dragCell得到要调整的两列的所有格子(点击处左右两处的列)
int rightNum = GetColNum(dragCell);
int leftNum = rightNum - 1;
foreach (TPTextRow row in this)
{
//在这i代表列号
for (int i = 0; i < row.Cells.Count; i++)
{
if (i == leftNum)
{
leftColCells.Add(row.Cells[i]);
}
if (i == rightNum)
{
rightColCells.Add(row.Cells[i]);
}
}
}
Debug.WriteLine("●调整列宽前●");
for (int i = 0; i < absoluteWidths.Length; i++)
{
Debug.WriteLine("第" + i + "列:" + absoluteWidths[i]);
}
//Rectangle drec = new Rectangle(dragCell.RealLeft, 0, 5, OwnerDocument.OwnerControl.CurrentPage.Height);
}
else // 在表格外点击
{
foreach (TPTextRow row in this)
{
foreach (TPTextCell cell in row)
{
myOwnerDocument.OwnerControl.AddInvalidateRect(cell.GetContentBounds());
cell.Selected = false;
cell.CanAccess = false;
}
}
currentCell = null;
myOwnerDocument.OwnerControl.UpdateInvalidateRect();
}
}
return(false);
}
/// <summary>
/// 获得cell在表格中的列号.
/// </summary>
/// <param name="cell"></param>
/// <returns></returns>
internal int GetColNum(TPTextCell cell)
{
return(cell.OwnerRow.IndexOf(cell));
}
public override bool HandleMouseUp(int x, int y, MouseButtons Button)
{
bool isDragDone = false;//表示是否处理过拖拽操作 是：返回true 否：返回false
if (OwnerDocument.OwnerControl.Cursor == Cursors.VSplit)
{
if (dragCell != null)
{
isDragDone = true;
//确定鼠标要调整的宽度,为正数则是向右拖拽,为负数则是向左拖拽
int moveWidth = x - dragCell.RealLeft;
Debug.WriteLine("●●●●调整的宽度: " + moveWidth);
int acol = GetColNum(dragCell);
int[] tmpWidth = new int[absoluteWidths.Length];
for (int i = 0; i < absoluteWidths.Length; i++)
{
if (i == (acol - 1))
{
tmpWidth[i] = absoluteWidths[i] + moveWidth;
}
else if (i == acol)
{
tmpWidth[i] = absoluteWidths[i] - moveWidth;
}
else
{
tmpWidth[i] = absoluteWidths[i];
}
}
SetWidth(tmpWidth);
foreach (TPTextRow row in this)
{
row.Widths = tmpWidth;
}
foreach (TPTextCell cell in leftColCells)
{
if (cell.Width != 0)
{
cell.Width = cell.Width + moveWidth;
}
}
foreach (TPTextCell cell in rightColCells)
{
if (cell.Width != 0)
{
cell.Width = cell.Width - moveWidth;
}
}
Debug.WriteLine("●调整列宽后●");
for (int i = 0; i < absoluteWidths.Length; i++)
{
Debug.WriteLine("第" + i + "列:" + absoluteWidths[i]);
}
OwnerDocument.ContentChanged();
OwnerDocument.Refresh();
}
}
LastMousePosition = new Point(-1, -1);
currentCell = null;
dragCell = null;
leftColCells.Clear();
rightColCells.Clear();
return(isDragDone);
}