private void PasteCell(DataGridView dataGridView, string clipboardStr)
{
m_CsvForm.BeforeChangeCellValue();
TextBox textBox = dataGridView.EditingControl as TextBox;
CellValueChangeItem change = new CellValueChangeItem();
try
{
change.OldValue = textBox.Text;
change.Row = dataGridView.CurrentCell.RowIndex;
change.Column = dataGridView.CurrentCell.ColumnIndex;
int selectionStart = textBox.SelectionStart;
string newValue = textBox.Text;
newValue = newValue.Remove(selectionStart, textBox.SelectionLength);
newValue = newValue.Insert(selectionStart, clipboardStr);
// 在这之后不会抛出异常
textBox.Text = newValue;
textBox.SelectionStart = selectionStart + clipboardStr.Length;
change.NewValue = newValue;
DidCellValueChange(change);
}
catch (Exception ex)
{
textBox.Text = change.OldValue;
DebugUtility.ShowExceptionMessageBox("粘贴到Cell失败", ex);
}
finally
{
m_CsvForm.AfterChangeCellValue();
}
}
private void OnReplaceAllButton_Click(object sender, EventArgs e)
{
if (!MainForm.Instance.SelCsvFormInitialized())
{
MessageBox.Show("当前没有打开Csv文件", "警告", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
DataGridView dataGridView = MainForm.Instance.GetCsvForm().GetDataGridView();
MainForm.Instance.GetCsvForm().BeforeChangeCellValue();
List <CellValueChangeItem> ChangeList = new List <CellValueChangeItem>();
DataGridViewCell cell = Searching(dataGridView, 0, 0);
while (cell != null)
{
CellValueChangeItem changeItem = new CellValueChangeItem();
changeItem.OldValue = (string)cell.Value;
changeItem.NewValue = Replacing(changeItem.OldValue);
changeItem.Row = cell.RowIndex;
changeItem.Column = cell.ColumnIndex;
ChangeList.Add(changeItem);
cell.Value = changeItem.NewValue;
cell = Searching(dataGridView, cell.RowIndex, cell.ColumnIndex);
}
MainForm.Instance.GetCsvForm().EditManager.DidCellsValueChange(ChangeList);
MainForm.Instance.GetCsvForm().AfterChangeCellValue();
}
public void Undo(DataGridView dataGridView, DataTable dataTable)
{
for (int changeIdx = 0; changeIdx < ChangeList.Count; changeIdx++)
{
CellValueChangeItem changeItem = ChangeList[changeIdx];
dataGridView.Rows[changeItem.Row].Cells[changeItem.Column].Value = changeItem.OldValue;
}
}
public void DidCellValueChange(CellValueChangeItem change)
{
DoCellsValueChangeEvent doCellsValueChangeEvent = new DoCellsValueChangeEvent();
doCellsValueChangeEvent.ChangeList = new List <CellValueChangeItem>();
doCellsValueChangeEvent.ChangeList.Add(change);
Did(doCellsValueChangeEvent);
}
public void DidCellValueChange(int column, int row, string oldValue, string newValue)
{
CellValueChangeItem change = new CellValueChangeItem();
change.Column = column;
change.Row = row;
change.OldValue = oldValue;
change.NewValue = newValue;
DidCellValueChange(change);
}
private void PasetCells(DataGridView dataGridView, string clipboardStr)
{
// 引用下面两个链接
// https://stackoverflow.com/questions/22833327/pasting-excel-data-into-a-blank-datagridview-index-out-of-range-exception
// https://stackoverflow.com/questions/1679778/is-it-possible-to-paste-excel-csv-data-from-clipboard-to-datagridview-in-c
List <CellValueChangeItem> changeList = new List <CellValueChangeItem>();
try
{
m_CsvForm.BeforeChangeCellValue();
string[] lines = Regex.Split(clipboardStr.TrimEnd("\r\n".ToCharArray()), "\r\n");
// 当前行
int currentRow = dataGridView.CurrentCell.RowIndex;
// 当前列
int currentCol = dataGridView.CurrentCell.ColumnIndex;
DataGridViewCell currentCell;
for (int lineIdx = 0; lineIdx < lines.Length; lineIdx++)
{
string line = lines[lineIdx];
// 行超过表格限制，默认不添加新行
if (currentRow >= dataGridView.RowCount)
{
throw (new ArgumentOutOfRangeException(null,
string.Format("粘贴数据({0})行的第({1})行到表中第({2})行失败\n表一共有({3})行",
lines.Length,
lineIdx + 1,
currentRow + 1,
dataGridView.RowCount)));
}
string[] cells = line.Split('\t');
for (int cellIdx = 0; cellIdx < cells.Length; ++cellIdx)
{
// 列超过表格限制，默认不添加新列
if (currentCol + cellIdx >= dataGridView.ColumnCount)
{
throw (new ArgumentOutOfRangeException(null,
string.Format("粘贴数据({0})列的第({1})列到表中第({2})列失败\n表一共有({3})列",
cells.Length,
cellIdx + 1,
ConvertUtility.NumberToLetter(currentCol + cellIdx + 1),
ConvertUtility.NumberToLetter(dataGridView.ColumnCount))));
}
currentCell = dataGridView.Rows[currentRow].Cells[currentCol + cellIdx];
string cell = cells[cellIdx];
if (currentCell.Value == null || currentCell.Value.ToString() != cell)
{
// 如果cell是多行数据，去除两侧的引号
if (cell.Contains("\n") && cell[0] == '"' && cell[cell.Length - 1] == '"')
{
cell = cell.Substring(1, cell.Length - 2);
}
CellValueChangeItem change = new CellValueChangeItem();
change.Row = currentCell.RowIndex;
change.Column = currentCell.ColumnIndex;
change.OldValue = (string)currentCell.Value;
change.NewValue = cell;
currentCell.Value = cell;
changeList.Add(change);
}
}
currentRow++;
}
}
catch (ArgumentOutOfRangeException ex)
{
MessageBox.Show(ex.Message, "提示", MessageBoxButtons.OK);
// 粘贴失败，还原到粘贴前
#if !DEBUG
if (changeList.Count > 0)
{
DoCellsValueChangeEvent doCellsValueChangeEvent = new DoCellsValueChangeEvent
{
ChangeList = changeList
};
doCellsValueChangeEvent.Undo(dataGridView, null);
}
changeList = null;
#endif
}
catch (Exception ex)
{
DebugUtility.ShowExceptionMessageBox("粘贴到DataGridView失败", ex);
}
finally
{
DidCellsValueChange(changeList);
m_CsvForm.AfterChangeCellValue();
}
}
public void Cut()
{
if (!CanCut())
{
return;
}
Copy();
if (m_CsvForm.GetDataGridView().IsCurrentCellInEditMode)
{
m_CsvForm.BeforeChangeCellValue();
TextBox textBox = m_CsvForm.GetDataGridView().EditingControl as TextBox;
CellValueChangeItem change = new CellValueChangeItem();
try
{
int selectionStart = textBox.SelectionStart;
change.OldValue = textBox.Text;
change.Row = m_CsvForm.GetDataGridView().CurrentCell.RowIndex;
change.Column = m_CsvForm.GetDataGridView().CurrentCell.ColumnIndex;
change.NewValue = change.OldValue.Remove(textBox.SelectionStart, textBox.SelectionLength);
textBox.Text = change.NewValue;
textBox.SelectionStart = selectionStart;
DidCellValueChange(change);
}
catch (Exception ex)
{
textBox.Text = change.OldValue;
DebugUtility.ShowExceptionMessageBox("剪切DataGridViewCell数据到剪切板失败", ex);
}
finally
{
m_CsvForm.AfterChangeCellValue();
}
}
else if (MainForm.Instance.GetCellEditTextBox().Focused)
{
TextBox textBox = MainForm.Instance.GetCellEditTextBox();
int selectionStart = textBox.SelectionStart;
textBox.Text = textBox.Text.Remove(textBox.SelectionStart, textBox.SelectionLength);
textBox.SelectionStart = selectionStart;
}
else if (m_CsvForm.GetDataGridView().SelectedCells.Count > 0)
{
m_CsvForm.BeforeChangeCellValue();
// 转换为Array
IList selectedCellList = m_CsvForm.GetDataGridView().SelectedCells;
DataGridViewCell[] selectedCells = new DataGridViewCell[selectedCellList.Count];
selectedCellList.CopyTo(selectedCells, 0);
CellValueChangeItem[] changes = new CellValueChangeItem[selectedCells.Length];
for (int cellIdx = 0; cellIdx < selectedCells.Length; cellIdx++)
{
DataGridViewCell cell = selectedCells[cellIdx];
CellValueChangeItem change = new CellValueChangeItem();
change.Row = cell.RowIndex;
change.Column = cell.ColumnIndex;
change.OldValue = (string)cell.Value;
change.NewValue = "";
changes[cellIdx] = change;
cell.Value = "";
}
DidCellsValueChange(changes.ToList());
m_CsvForm.AfterChangeCellValue();
}
}
/// <summary>
/// UNDONE 这个方法是复制了PasetCells后修改的，应该想办法把这两个方法封装一下
/// </summary>
public void InsertFromClipboard(DataGridView dataGridView, DataTable dataTable, int rowIndex)
{
if (!CanInsertFromClipboard())
{
return;
}
if (!GetclipboardText(out string clipboardText))
{
return;
}
List <IUndoRedo> didManyThings = new List <IUndoRedo>();
try
{
m_CSVForm.BeforeChangeCellValue();
string[] lines = Regex.Split(clipboardText.TrimEnd("\r\n".ToCharArray()), "\r\n");
// 当前行
int currentRow = rowIndex;
// 当前列
int currentCol = 0;
DataGridViewCell currentCell;
for (int lineIdx = 0; lineIdx < lines.Length; lineIdx++)
{
// 插入行
DataGridViewUtility.InsertNewRow(dataGridView, dataTable, currentRow);
DoAddRowEvent doAddRowEvent = new DoAddRowEvent
{
Row = currentRow
};
didManyThings.Add(doAddRowEvent);
string line = lines[lineIdx];
// 行超过表格限制，默认不添加新行
if (currentRow >= dataGridView.RowCount)
{
throw (new ArgumentOutOfRangeException(null,
string.Format("插入数据({0})行的第({1})行到表中第({2})行失败\n表一共有({3})行",
lines.Length,
lineIdx + 1,
currentRow + 1,
dataGridView.RowCount)));
}
string[] cells = line.Split('\t');
List <CellValueChangeItem> cellChangeList = new List <CellValueChangeItem>();
for (int cellIdx = 0; cellIdx < cells.Length; ++cellIdx)
{
// 列超过表格限制，默认不添加新列
if (currentCol + cellIdx >= dataGridView.ColumnCount)
{
throw (new ArgumentOutOfRangeException(null,
string.Format("插入数据({0})列的第({1})列到表中第({2})列失败\n表一共有({3})列",
cells.Length,
cellIdx + 1,
ConvertUtility.NumberToLetter(currentCol + cellIdx + 1),
ConvertUtility.NumberToLetter(dataGridView.ColumnCount))));
}
currentCell = dataGridView.Rows[currentRow].Cells[currentCol + cellIdx];
string cell = cells[cellIdx];
if (currentCell.Value == null || currentCell.Value.ToString() != cell)
{
// 如果cell是多行数据，去除两侧的引号
if (cell.Contains("\n") && cell[0] == '"' && cell[cell.Length - 1] == '"')
{
cell = cell.Substring(1, cell.Length - 2);
}
CellValueChangeItem change = new CellValueChangeItem();
change.Row = currentCell.RowIndex;
change.Column = currentCell.ColumnIndex;
change.OldValue = (string)currentCell.Value;
change.NewValue = cell;
currentCell.Value = cell;
cellChangeList.Add(change);
}
}
DoCellsValueChangeEvent cellChangListEvent = new DoCellsValueChangeEvent
{
ChangeList = cellChangeList
};
didManyThings.Add(cellChangListEvent);
currentRow++;
}
}
catch (ArgumentOutOfRangeException ex)
{
MessageBox.Show(ex.Message, "提示", MessageBoxButtons.OK);
// 粘贴失败，还原到粘贴前
#if !DEBUG
if (didManyThings.Count > 0)
{
DoManyThingsEvent doManyThings = new DoManyThingsEvent
{
ThingsList = didManyThings
};
doManyThings.Undo(dataGridView, null);
}
didManyThings = null;
#endif
}
catch (Exception ex)
{
DebugUtility.ShowExceptionMessageBox("粘贴到DataGridView失败", ex);
}
finally
{
DidManyThings(didManyThings);
m_CSVForm.UpdateGridHeader();
m_CSVForm.AfterChangeCellValue();
}
}