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git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@4005 bfdf4180-ca20-0410-9c96-a3a8aa849046
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blacksun
2015-06-11 18:03:58 +00:00
parent 59bd290382
commit 71e1e2a8c4
8 changed files with 194 additions and 67 deletions
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97
sources/undocommand/itemresizercommand.cpp Normal file
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/*
Copyright 2006-2015 The QElectroTech Team
This file is part of QElectroTech.
QElectroTech 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.
QElectroTech 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 QElectroTech. If not, see <http://www.gnu.org/licenses/>.
*/
#include "itemresizercommand.h"
#include "qetgraphicsitem.h"
#include "diagram.h"
/**
* @brief ItemResizerCommand::ItemResizerCommand
* Change the size of @qgi
* @param qgi item to resize
* @param old_ old size
* @param new_ new size
* @param text text to display
* @param parent undo parent
*/
ItemResizerCommand::ItemResizerCommand (QetGraphicsItem *qgi, qreal &old_, qreal &new_, const QString &text, QUndoCommand *parent):
QUndoCommand(parent),
m_qgi (qgi),
m_old_size (old_),
m_new_size (new_),
m_diagram (qgi->diagram()),
m_text (text),
m_first_redo(true)
{
m_animation.setTargetObject(m_qgi);
m_animation.setPropertyName("scale");
m_animation.setStartValue(m_old_size);
m_animation.setEndValue(m_new_size);
}
/**
* @brief ItemResizerCommand::~ItemResizerCommand
*/
ItemResizerCommand::~ItemResizerCommand() {}
/**
* @brief ItemResizerCommand::mergeWith
* Try to merge this command with other command
* @param other
* @return true if was merged, else false
*/
bool ItemResizerCommand::mergeWith(const QUndoCommand *other)
{
if (id() != other->id()) return false;
ItemResizerCommand const *undo = static_cast<const ItemResizerCommand *>(other);
if (m_qgi != undo->m_qgi) return false;
m_new_size = undo->m_new_size;
m_animation.setEndValue(m_new_size);
return true;
}
/**
* @brief ItemResizerCommand::undo
*/
void ItemResizerCommand::undo()
{
m_diagram -> showMe();
m_animation.setDirection(QAnimationGroup::Backward);
m_animation.start();
QUndoCommand::undo();
}
/**
* @brief ItemResizerCommand::redo
*/
void ItemResizerCommand::redo()
{
m_diagram -> showMe();
setText(m_old_size < m_new_size ? QObject::tr("Agrandire %1 à %2 %").arg(m_text).arg(m_new_size*100) :
QObject::tr("Réduire %1 à %2 %").arg(m_text).arg(m_new_size*100));
if(m_first_redo)
{
m_qgi -> setScale(m_new_size);
m_first_redo = false;
}
else
{
m_animation.setDirection(QAnimationGroup::Forward);
m_animation.start();
}
QUndoCommand::redo();
}