mirror of
https://gitea.wildfiregames.com/0ad/0ad
synced 2026-06-16 05:13:58 -07:00
130 lines
3.2 KiB
C++
130 lines
3.2 KiB
C++
/* Copyright (C) 2009 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "DraggableListCtrlCommands.h"
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#include "DraggableListCtrl.h"
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#include "EditableListCtrl/EditableListCtrl.h"
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//////////////////////////////////////////////////////////////////////////
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IMPLEMENT_CLASS(DragCommand, AtlasWindowCommand);
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DragCommand::DragCommand(DraggableListCtrl* ctrl, long src, long tgt)
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: AtlasWindowCommand(true, _("Drag")), m_Ctrl(ctrl), m_Src(src), m_Tgt(tgt)
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{
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}
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bool DragCommand::Do()
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{
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wxASSERT(m_Tgt >= 0 && m_Src >= 0);
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m_Ctrl->CloneListData(m_OldData);
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m_Ctrl->MakeSizeAtLeast(m_Src+1);
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m_Ctrl->MakeSizeAtLeast(m_Tgt+1);
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// data[src] will be inserted just before data[tgt].
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// If tgt>src, (src+1)..tgt will be shifted down by 1.
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// If tgt<src, tgt..(src-1) will be shifted up by 1.
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AtObj srcData = m_Ctrl->m_ListData.at(m_Src);
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if (m_Tgt > m_Src)
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std::copy(
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m_Ctrl->m_ListData.begin()+(m_Src+1),
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m_Ctrl->m_ListData.begin()+(m_Tgt+1),
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m_Ctrl->m_ListData.begin()+ m_Src);
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else if (m_Tgt < m_Src)
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std::copy_backward(
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m_Ctrl->m_ListData.begin()+ m_Tgt,
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m_Ctrl->m_ListData.begin()+ m_Src,
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m_Ctrl->m_ListData.begin()+(m_Src+1));
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else // m_Tgt == m_Src
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; // do nothing - this item was just dragged onto itself
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m_Ctrl->m_ListData.at(m_Tgt) = srcData;
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m_Ctrl->UpdateDisplay();
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m_Ctrl->SetSelection(m_Tgt);
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return true;
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}
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bool DragCommand::Undo()
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{
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m_Ctrl->SetListData(m_OldData);
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m_Ctrl->UpdateDisplay();
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m_Ctrl->SetSelection(m_Src);
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return true;
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}
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bool DragCommand::Merge(AtlasWindowCommand* command)
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{
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DragCommand* previousCommand = wxDynamicCast(command, DragCommand);
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if (! previousCommand)
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return false;
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if (m_Src != previousCommand->m_Tgt)
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return false;
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previousCommand->m_Tgt = m_Tgt;
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return true;
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}
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//////////////////////////////////////////////////////////////////////////
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IMPLEMENT_CLASS(DeleteCommand, AtlasWindowCommand);
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DeleteCommand::DeleteCommand(DraggableListCtrl* ctrl, long itemID)
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: AtlasWindowCommand(true, _("Delete")), m_Ctrl(ctrl), m_ItemID(itemID)
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{
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}
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bool DeleteCommand::Do()
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{
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wxASSERT(m_ItemID >= 0);
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// If we're asked to delete one of the blank rows off the end of the
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// list, don't do anything
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if (m_ItemID >= (long)m_Ctrl->m_ListData.size())
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return true;
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m_Ctrl->CloneListData(m_OldData);
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m_Ctrl->m_ListData.erase(m_Ctrl->m_ListData.begin()+m_ItemID);
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m_Ctrl->UpdateDisplay();
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m_Ctrl->SetSelection(m_ItemID);
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return true;
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}
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bool DeleteCommand::Undo()
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{
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m_Ctrl->SetListData(m_OldData);
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m_Ctrl->UpdateDisplay();
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m_Ctrl->SetSelection(m_ItemID);
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return true;
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}
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