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85 lines
2.1 KiB
C++
85 lines
2.1 KiB
C++
/*
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Copyright 2006-2025 The QElectroTech Team
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This file is part of QElectroTech.
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QElectroTech 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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QElectroTech 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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You should have received a copy of the GNU General Public License
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along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "addpartcommand.h"
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#include "../elementscene.h"
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/**
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* @brief AddPartCommand::AddPartCommand
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* @param text : text of the undo command
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* @param scene : scene where @a part must be added
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* @param part : part to add
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* @param parent : parent undo command
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*/
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AddPartCommand::AddPartCommand(const QString &text,
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QPointer<ElementScene> scene,
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QGraphicsItem *part,
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QUndoCommand *parent) :
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QUndoCommand{parent},
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m_scene{scene},
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m_part{part}
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{
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setText(text);
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m_scene->qgiManager().manage(part);
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}
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/**
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* @brief AddPartCommand::~AddPartCommand
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*/
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AddPartCommand::~AddPartCommand()
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{
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if (m_scene) {
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m_scene->qgiManager().release(m_part.first());
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}
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}
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/**
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* @brief AddPartCommand::undo
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*/
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void AddPartCommand::undo()
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{
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if (m_scene) {
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m_scene->removeItems(m_part);
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}
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}
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/**
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* @brief AddPartCommand::redo
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*/
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void AddPartCommand::redo()
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{
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if (!m_scene) {
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return;
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}
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if (m_first_redo)
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{
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auto part_{m_part.first()};
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if (!part_->zValue())
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{
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// the added part has no specific zValue already defined, we put it
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// above existing items (but still under terminals)
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const auto existing_items = m_scene->zItems(ElementScene::SortByZValue | ElementScene::SelectedOrNot);
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const auto z_{existing_items.count() ? existing_items.last()->zValue() + 1 : 1};
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part_->setZValue(z_);
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}
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m_scene->clearSelection();
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m_first_redo = false;
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}
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m_scene->addItems(m_part);
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}
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