private void CellOnClicked(object sender, ClickStatusEventArgs clickStatusEventArgs)
{
var isLeftMouseButtonClicked = clickStatusEventArgs.IsLeftMouseButtonClicked;
var isRightMouseButtonClicked = clickStatusEventArgs.IsRightMouseButtonClicked;
var isCtrlPressed = clickStatusEventArgs.IsCtrlPressed;
var isShiftPressed = clickStatusEventArgs.IsShiftPressed;
var operationCell = sender as CellBase;
Debug.Assert(operationCell != null);
//0. 焦点
var operationCellIndex = IndexOf(operationCell);
var lastFocus = Focus;
//1. 仅仅右键按下
if (isRightMouseButtonClicked && !isLeftMouseButtonClicked)
{
if (isCtrlPressed && !isShiftPressed)
{
return; //仅仅ctrl按下， 不改变选中状态
}
if (operationCell.IsSelected)
{
return; //作用在选中的cell上，不改变选中状态
}
//operationCell未选中 //作用在未选中的cell上，仅仅选中该cell
SelectOnly(operationCell);
return;
}
//2. 有左键按下
//2.1 ctrl+shift按下
if (isShiftPressed && isCtrlPressed)
{
//todo: 扩展到Card范围
var lastFocusCell = this.ElementAtOrDefault(lastFocus);
SelectRange(lastFocus, operationCellIndex, lastFocusCell != null && lastFocusCell.IsSelected);
}
//2.2 仅仅 ctrl 按下
else if (isShiftPressed)
{
ForEach(cell => cell.IsSelected = false);
SelectRange(lastFocus, operationCellIndex, true);
}
//2.3 仅仅 ctrl 按下
else if (isCtrlPressed)
{
operationCell.IsSelected = !operationCell.IsSelected;
Focus = operationCellIndex;
}
//2.4 没有modifier key 按下
else
{
SelectOnly(operationCell);
}
}
private void ElementOnClicked(object sender, ClickStatusEventArgs clickStatusEventArgs)
{
ClickOn(sender as T, clickStatusEventArgs.ClickStatus);
}
