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65b27f411a
Remove class MoveElementsTextsCommand git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@4089 bfdf4180-ca20-0410-9c96-a3a8aa849046
125 lines
3.7 KiB
C++
125 lines
3.7 KiB
C++
/*
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Copyright 2006-2012 Xavier Guerrin
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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 "elementtextsmover.h"
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#include "elementtextitem.h"
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#include "diagram.h"
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#include "QPropertyUndoCommand/qpropertyundocommand.h"
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/**
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* @brief ElementTextsMover::ElementTextsMover
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*/
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ElementTextsMover::ElementTextsMover() :
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movement_running_(false),
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diagram_(nullptr),
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movement_driver_(nullptr)
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{}
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/**
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* @brief ElementTextsMover::isReady
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* @return true if this ElementTextsMover is ready to process a new movement.
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* False if this ElementTextsMover is actually process a movement
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*/
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bool ElementTextsMover::isReady() const {
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return(!movement_running_);
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}
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/**
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* @brief ElementTextsMover::beginMovement
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* Begin a movement
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* @param diagram : diagram where the movement is apply
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* @param driver_item : item moved by the mouse
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* @return : the number of moved text (driver_item include), or -1 if this ElementTextsMover can't begin a movement
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*/
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int ElementTextsMover::beginMovement(Diagram *diagram, QGraphicsItem *driver_item)
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{
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if (movement_running_ || !diagram) return(-1);
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diagram_ = diagram;
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movement_driver_ = driver_item;
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m_texts_item_H.clear();
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foreach(QGraphicsItem *item, diagram -> selectedItems())
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{
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if (item->type() == ElementTextItem::Type)
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{
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ElementTextItem *eti = static_cast<ElementTextItem *> (item);
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m_texts_item_H.insert(eti, eti->pos());
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}
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}
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if (!m_texts_item_H.size()) return(-1);
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movement_running_ = true;
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return(m_texts_item_H.size());
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}
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/**
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* @brief ElementTextsMover::continueMovement
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* Add @movement to the current movement
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* The movement must be in scene coordinate.
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* @param movement
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*/
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void ElementTextsMover::continueMovement(const QPointF &movement)
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{
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if (!movement_running_ || movement.isNull()) return;
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foreach(ElementTextItem *text_item, m_texts_item_H.keys())
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{
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if (text_item == movement_driver_) continue;
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QPointF applied_movement = text_item -> mapMovementToParent(text_item-> mapMovementFromScene(movement));
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text_item -> setPos(text_item -> pos() + applied_movement);
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}
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}
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/**
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* @brief ElementTextsMover::endMovement
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* Finish the movement by pushing an undo command to the parent diagram of text item
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*/
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void ElementTextsMover::endMovement()
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{
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//No movement running, or no text to move
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if (!movement_running_ || m_texts_item_H.isEmpty()) return;
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//Movement is null
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ElementTextItem *eti = m_texts_item_H.keys().first();
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if (eti->pos() == m_texts_item_H.value(eti)) return;
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QPropertyUndoCommand *undo = nullptr;
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foreach (ElementTextItem *eti, m_texts_item_H.keys())
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{
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if (undo)
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{
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QPropertyUndoCommand *child_undo = new QPropertyUndoCommand(eti, "pos", m_texts_item_H.value(eti), eti->pos(), undo);
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child_undo->enableAnimation();
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}
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else
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{
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undo = new QPropertyUndoCommand(eti, "pos", m_texts_item_H.value(eti), eti->pos());
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undo->enableAnimation();
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QString txt = m_texts_item_H.size() == 1? QString(QObject::tr("Déplacer un texte d'élément")) :
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QString(QObject::tr("Déplacer %1 textes d'élément").arg(m_texts_item_H.size()));
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undo->setText(txt);
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}
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}
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diagram_->undoStack().push(undo);
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movement_running_ = false;
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}
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