public override void Remove(Control value)
{
base.Remove(value);
if (value is SVPanelNode)
{
return;
}
//记录重做操作
SVRedoUndoItem recordItem = new SVRedoUndoItem();
recordItem.ReDo = () =>
{
SVPanel panel = value as SVPanel;
RedoUndo.setEnabled(false);
panel.Selected = false;
base.Remove(value);
RedoUndo.setEnabled(true);
};
recordItem.UnDo = () =>
{
SVPanel panel = value as SVPanel;
RedoUndo.setEnabled(false);
panel.Selected = false;
base.Add(value);
RedoUndo.setEnabled(true);
};
RedoUndo.recordOper(recordItem);
}
/// <summary>
/// 控件拖入页面窗口中的事件操作
/// </summary>
/// <param Name="e"></param>
protected override void OnDragDrop(DragEventArgs e)
{
if (!e.Data.GetDataPresent(typeof(SVSelectItem)))
{
return;
}
///禁用记录
_redoUndo.setEnabled(false);
SVSelectItem item = (SVSelectItem)e.Data.GetData(typeof(SVSelectItem));
SVPanel btn = (SVPanel)(item._obj);
btn.setRedoUndoObject(_redoUndo);
btn.setParentID(Attrib.id);
btn.refreshPropertyToPanel();
btn.Location = this.PointToClient(new Point(e.X, e.Y));
btn.Location = new Point(btn.Location.X - btn.Width / 2, btn.Location.Y - btn.Height / 2);
btn.setStartPos(btn.Location);
this.Controls.Add(btn);
btn.newID();
ChildAddEvent(btn, null);
btn.MouseDown += new MouseEventHandler((sder, ev) =>
{
MouseSelectEvent(sder, ev);
});
btn.MouseUp += new MouseEventHandler((sder, ev) =>
{
MouseSelectEvent(sder, ev);
});
///启用记录
_redoUndo.setEnabled(true);
///记录重做操作
///这里只记录控件的添加和删除操作，其他属性的改变并不会被记录下来。
SVRedoUndoItem recordItem = new SVRedoUndoItem();
recordItem.ReDo = () =>
{
_redoUndo.setEnabled(false);
btn.Selected = false;
this.Controls.Add(btn);
_redoUndo.setEnabled(true);
};
recordItem.UnDo = () =>
{
_redoUndo.setEnabled(false);
btn.Selected = false;
this.Controls.Remove(btn);
_redoUndo.setEnabled(true);
};
///执行记录
_redoUndo.recordOper(recordItem);
}
