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/* Copyright (C) 2009 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#include "precompiled.h"
#include "DraggableListCtrlCommands.h"
#include "DraggableListCtrl.h"
#include "EditableListCtrl/EditableListCtrl.h"
//////////////////////////////////////////////////////////////////////////
IMPLEMENT_CLASS(DragCommand, AtlasWindowCommand);
DragCommand::DragCommand(DraggableListCtrl* ctrl, long src, long tgt)
: AtlasWindowCommand(true, _("Drag")), m_Ctrl(ctrl), m_Src(src), m_Tgt(tgt)
{
}
bool DragCommand::Do()
{
wxASSERT(m_Tgt >= 0 && m_Src >= 0);
m_Ctrl->CloneListData(m_OldData);
m_Ctrl->MakeSizeAtLeast(m_Src+1);
m_Ctrl->MakeSizeAtLeast(m_Tgt+1);
// data[src] will be inserted just before data[tgt].
// If tgt>src, (src+1)..tgt will be shifted down by 1.
// If tgt<src, tgt..(src-1) will be shifted up by 1.
AtObj srcData = m_Ctrl->m_ListData.at(m_Src);
if (m_Tgt > m_Src)
{
std::copy(
m_Ctrl->m_ListData.begin()+(m_Src+1),
m_Ctrl->m_ListData.begin()+(m_Tgt+1),
m_Ctrl->m_ListData.begin()+ m_Src);
}
else if (m_Tgt < m_Src)
{
std::copy_backward(
m_Ctrl->m_ListData.begin()+ m_Tgt,
m_Ctrl->m_ListData.begin()+ m_Src,
m_Ctrl->m_ListData.begin()+(m_Src+1));
}
else // m_Tgt == m_Src
{
// do nothing - this item was just dragged onto itself
}
m_Ctrl->m_ListData.at(m_Tgt) = srcData;
m_Ctrl->UpdateDisplay();
m_Ctrl->SetSelection(m_Tgt);
return true;
}
bool DragCommand::Undo()
{
m_Ctrl->SetListData(m_OldData);
m_Ctrl->UpdateDisplay();
m_Ctrl->SetSelection(m_Src);
return true;
}
bool DragCommand::Merge(AtlasWindowCommand* command)
{
DragCommand* previousCommand = wxDynamicCast(command, DragCommand);
if (! previousCommand)
return false;
if (m_Src != previousCommand->m_Tgt)
return false;
previousCommand->m_Tgt = m_Tgt;
return true;
}
//////////////////////////////////////////////////////////////////////////
IMPLEMENT_CLASS(DeleteCommand, AtlasWindowCommand);
DeleteCommand::DeleteCommand(DraggableListCtrl* ctrl, long itemID)
: AtlasWindowCommand(true, _("Delete")), m_Ctrl(ctrl), m_ItemID(itemID)
{
}
bool DeleteCommand::Do()
{
wxASSERT(m_ItemID >= 0);
// If we're asked to delete one of the blank rows off the end of the
// list, don't do anything
if (m_ItemID >= (long)m_Ctrl->m_ListData.size())
return true;
m_Ctrl->CloneListData(m_OldData);
m_Ctrl->m_ListData.erase(m_Ctrl->m_ListData.begin()+m_ItemID);
m_Ctrl->UpdateDisplay();
m_Ctrl->SetSelection(m_ItemID);
return true;
}
bool DeleteCommand::Undo()
{
m_Ctrl->SetListData(m_OldData);
m_Ctrl->UpdateDisplay();
m_Ctrl->SetSelection(m_ItemID);
return true;
}
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