/// <summary>
/// Register a new undo command. Use this method after your
/// application has performed an operation/command that is
/// undoable.
/// </summary>
/// <param name="cmd">New command to add to the manager.</param>
public void AddUndoCommand(UndoCommand cmd)
{
Debug.Assert(cmd != null);
Debug.Assert(m_undoList.Count <= m_maxUndoLevel);
if (m_maxUndoLevel == 0)
{
return;
}
UndoInfo info = null;
if (m_undoList.Count == m_maxUndoLevel)
{
// Remove the oldest entry from the undo list to make room.
info = (UndoInfo)m_undoList[0];
m_undoList.RemoveAt(0);
}
// Insert the new undoable command into the undo list.
if (info == null)
{
info = new UndoInfo();
}
info.m_undoCommand = cmd;
info.m_undoHandler = null;
m_undoList.Add(info);
// Clear the redo stack.
ClearRedo();
}
/// <summary>
/// Get the text value of the next redo command. Use this method
/// to update the Text property of your "Redo" menu item if desired.
/// For example, the text value for a command might be "Draw Line".
/// This allows you to change your menu item text to "&Redo Draw Line".
/// </summary>
/// <returns>Text value of the next redo command.</returns>
public string GetRedoText()
{
UndoCommand cmd = GetNextRedoCommand();
if (cmd == null)
{
return("");
}
return(cmd.GetText());
}
/// <summary>
/// Register a new undo command along with an undo handler. The
/// undo handler is used to perform the actual undo or redo
/// operation later when requested.
/// </summary>
/// <param name="cmd">New command to add to the manager.</param>
/// <param name="undoHandler">Undo handler to perform the actual undo/redo operation.</param>
public void AddUndoCommand(UndoCommand cmd, IUndoHandler undoHandler)
{
AddUndoCommand(cmd);
if (m_undoList.Count > 0)
{
UndoInfo info = (UndoInfo)m_undoList[m_undoList.Count - 1];
Debug.Assert(info != null);
info.m_undoHandler = undoHandler;
undoHandler.refreshHistory(m_undoList);
}
}
/// <summary>
/// Retrieve all of the redo commands. Useful for debugging,
/// to analyze the contents of the redo stack.
/// </summary>
/// <returns>Array of commands for redo.</returns>
public UndoCommand[] GetRedoCommands()
{
if (m_redoStack.Count == 0)
{
return(null);
}
UndoCommand[] cmdList = new UndoCommand[m_redoStack.Count];
object[] objList = m_redoStack.ToArray();
for (int i = 0; i < objList.Length; i++)
{
UndoInfo info = (UndoInfo)objList[i];
cmdList[i] = info.m_undoCommand;
}
return(cmdList);
}
void IUndoHandler.Redo(UndoCommand cmd)
{
if (cmd is FillRandomPointsCommand)
{
FillRandomPointsCommand fillPointsCmd = (FillRandomPointsCommand)cmd;
FillPointHistory pointCmd = null;
MapElement mapElement = fillPointsCmd.getMapElement();
for (int i = 0; i < fillPointsCmd.getPointsCount(); i++)
{
pointCmd = fillPointsCmd.getPoint(i);
//Object oldElement = pointCmd.getTileElement_Org();
Object newElement = pointCmd.getTileElement_New();
int tileIndex_X = pointCmd.getTileIndex_X();
int tileIndex_Y = pointCmd.getTileIndex_Y();
short tileLevel = pointCmd.getTileLevel();
fillPoint(pointCmd.getMapElement(), mapBufferW, mapBufferH, zoomLevel, tileIndex_X, tileIndex_Y, tileLevel, newElement, true, pointCmd.getStageID());
}
if (mapElement != null && !mapElement.Equals(currentMap))
{
setCurrentMap(mapElement.getID());
updateMap_Refresh();
}
else
{
this.updateMap();
}
}
}
public UndoInfo()
{
m_undoCommand = null;
m_undoHandler = null;
}
/// <summary>
/// Retrieve all of the redo commands. Useful for debugging,
/// to analyze the contents of the redo stack.
/// </summary>
/// <returns>Array of commands for redo.</returns>
public UndoCommand[] GetRedoCommands()
{
if (m_redoStack.Count == 0)
return null;
UndoCommand[] cmdList = new UndoCommand[m_redoStack.Count];
object[] objList = m_redoStack.ToArray();
for (int i = 0; i < objList.Length; i++)
{
UndoInfo info = (UndoInfo)objList[i];
cmdList[i] = info.m_undoCommand;
}
return cmdList;
}
/// <summary>
/// Register a new undo command along with an undo handler. The
/// undo handler is used to perform the actual undo or redo
/// operation later when requested.
/// </summary>
/// <param name="cmd">New command to add to the manager.</param>
/// <param name="undoHandler">Undo handler to perform the actual undo/redo operation.</param>
public void AddUndoCommand(UndoCommand cmd, IUndoHandler undoHandler)
{
AddUndoCommand(cmd);
if (m_undoList.Count > 0)
{
UndoInfo info = (UndoInfo)m_undoList[m_undoList.Count - 1];
Debug.Assert(info != null);
info.m_undoHandler = undoHandler;
undoHandler.refreshHistory(m_undoList);
}
}
/// <summary>
/// Register a new undo command. Use this method after your
/// application has performed an operation/command that is
/// undoable.
/// </summary>
/// <param name="cmd">New command to add to the manager.</param>
public void AddUndoCommand(UndoCommand cmd)
{
Debug.Assert(cmd != null);
Debug.Assert(m_undoList.Count <= m_maxUndoLevel);
if (m_maxUndoLevel == 0)
return;
UndoInfo info = null;
if (m_undoList.Count == m_maxUndoLevel)
{
// Remove the oldest entry from the undo list to make room.
info = (UndoInfo)m_undoList[0];
m_undoList.RemoveAt(0);
}
// Insert the new undoable command into the undo list.
if (info == null)
info = new UndoInfo();
info.m_undoCommand = cmd;
info.m_undoHandler = null;
m_undoList.Add(info);
// Clear the redo stack.
ClearRedo();
}
public UndoInfo()
{
m_undoCommand = null;
m_undoHandler = null;
}
