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https://github.com/qelectrotech/qelectrotech-source-mirror.git
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9c6d362637
git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@4024 bfdf4180-ca20-0410-9c96-a3a8aa849046
98 lines
2.7 KiB
C++
98 lines
2.7 KiB
C++
/*
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Copyright 2006-2015 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 "itemresizercommand.h"
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#include "qetgraphicsitem.h"
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#include "diagram.h"
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/**
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* @brief ItemResizerCommand::ItemResizerCommand
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* Change the size of @qgi
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* @param qgi item to resize
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* @param old_ old size
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* @param new_ new size
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* @param text text to display
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* @param parent undo parent
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*/
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ItemResizerCommand::ItemResizerCommand (QetGraphicsItem *qgi, const qreal &old_, const qreal &new_, const QString &text, QUndoCommand *parent):
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QUndoCommand(parent),
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m_qgi (qgi),
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m_old_size (old_),
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m_new_size (new_),
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m_diagram (qgi->diagram()),
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m_text (text),
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m_first_redo(true)
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{
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m_animation.setTargetObject(m_qgi);
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m_animation.setPropertyName("scale");
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m_animation.setStartValue(m_old_size);
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m_animation.setEndValue(m_new_size);
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}
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/**
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* @brief ItemResizerCommand::~ItemResizerCommand
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*/
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ItemResizerCommand::~ItemResizerCommand() {}
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/**
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* @brief ItemResizerCommand::mergeWith
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* Try to merge this command with other command
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* @param other
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* @return true if was merged, else false
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*/
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bool ItemResizerCommand::mergeWith(const QUndoCommand *other)
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{
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if (id() != other->id() || other->childCount()) return false;
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ItemResizerCommand const *undo = static_cast<const ItemResizerCommand *>(other);
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if (m_qgi != undo->m_qgi) return false;
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m_new_size = undo->m_new_size;
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m_animation.setEndValue(m_new_size);
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return true;
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}
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/**
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* @brief ItemResizerCommand::undo
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*/
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void ItemResizerCommand::undo()
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{
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m_diagram -> showMe();
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m_animation.setDirection(QAnimationGroup::Backward);
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m_animation.start();
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QUndoCommand::undo();
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}
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/**
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* @brief ItemResizerCommand::redo
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*/
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void ItemResizerCommand::redo()
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{
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m_diagram -> showMe();
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setText(m_old_size < m_new_size ? QObject::tr("Agrandire %1 à %2 %").arg(m_text).arg(m_new_size*100) :
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QObject::tr("Réduire %1 à %2 %").arg(m_text).arg(m_new_size*100));
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if(m_first_redo)
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{
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m_qgi -> setScale(m_new_size);
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m_first_redo = false;
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}
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else
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{
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m_animation.setDirection(QAnimationGroup::Forward);
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m_animation.start();
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}
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QUndoCommand::redo();
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}
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