ImagePropertiesWidget : use QPropertyUndoCommand instead of ItemResizerCommand

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@4088 bfdf4180-ca20-0410-9c96-a3a8aa849046

sources/ui/imagepropertieswidget.cpp

@@ -18,9 +18,8 @@
 #include "imagepropertieswidget.h"
 #include "ui_imagepropertieswidget.h"
 #include "diagramimageitem.h"
-#include <QUndoCommand>
-#include "itemresizercommand.h"
 #include "diagram.h"
+#include "QPropertyUndoCommand/qpropertyundocommand.h"
 
 /**
  * @brief ImagePropertiesWidget::ImagePropertiesWidget
@@ -57,13 +56,9 @@ void ImagePropertiesWidget::setImageItem(DiagramImageItem *image)
 	this->setEnabled(true);
 	if (m_image == image) return;
 	if (m_image)
-	{
-		disconnect(m_image, SIGNAL(destroyed()), this, SLOT(imageWasDeleted()));
 		disconnect(m_image, &QGraphicsObject::scaleChanged, this, &ImagePropertiesWidget::updateUi);
-	}
 
 	m_image = image;
-	connect(m_image, SIGNAL(destroyed()), this, SLOT(imageWasDeleted()));
 	connect(m_image, &QGraphicsObject::scaleChanged, this, &ImagePropertiesWidget::updateUi);
 	m_movable = image->isMovable();
 	m_scale = m_image->scale();
@@ -82,7 +77,9 @@ void ImagePropertiesWidget::apply()
 	{
 		if (m_live_edit) disconnect(m_image, &QGraphicsObject::scaleChanged, this, &ImagePropertiesWidget::updateUi);
 
-		m_image->diagram()->undoStack().push(associatedUndo());
+		QUndoCommand *undo = associatedUndo();
+		if (undo)
+			m_image->diagram()->undoStack().push(undo);
 
 		if (m_live_edit) connect(m_image, &QGraphicsObject::scaleChanged, this, &ImagePropertiesWidget::updateUi);
 	}
@@ -130,13 +127,19 @@ bool ImagePropertiesWidget::setLiveEdit(bool live_edit)
 
 /**
  * @brief ImagePropertiesWidget::associatedUndo
- * @return the change in an undo command (ItemResizerCommand)
+ * @return the change in an undo command (ItemResizerCommand).
+ * If there is no change return nullptr
  */
 QUndoCommand* ImagePropertiesWidget::associatedUndo()
 {
+
 	qreal value = ui->m_scale_slider->value();
 	value /= 100;
-	return new ItemResizerCommand(m_image, m_scale, value, tr("une image"));
+	if (m_scale == value) return nullptr;
+	QPropertyUndoCommand *undo = new QPropertyUndoCommand(m_image, "scale", m_scale, value);
+	undo->enableAnimation();
+	undo->setText(tr("Modifier la taille d'une image"));
+	return undo;
 }
 
 /**
@@ -161,10 +164,6 @@ void ImagePropertiesWidget::on_m_scale_slider_valueChanged(int value)
 		m_image->setScale(scale / 100);
 }
 
-void ImagePropertiesWidget::imageWasDeleted() {
-	m_image = nullptr;
-}
-
 /**
  * @brief ImagePropertiesWidget::on_m_lock_pos_cb_clicked
  * Set movable or not the image according to corresponding check box

sources/ui/imagepropertieswidget.h

@@ -18,7 +18,6 @@
 #ifndef IMAGEPROPERTIESWIDGET_H
 #define IMAGEPROPERTIESWIDGET_H
 
-#include <QWidget>
 #include "PropertiesEditor/propertieseditorwidget.h"
 
 class DiagramImageItem;
@@ -50,8 +49,6 @@ class ImagePropertiesWidget : public PropertiesEditorWidget
 
 	private slots:
 		void on_m_scale_slider_valueChanged(int value);
-		void imageWasDeleted();
-
 		void on_m_lock_pos_cb_clicked();
 
 	private:

sources/undocommand/itemresizercommand.cpp

@@ -1,97 +0,0 @@
-/*
-	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, const qreal &old_, const 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() || other->childCount()) 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();
-}

sources/undocommand/itemresizercommand.h

@@ -1,52 +0,0 @@
-/*
-	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/>.
-*/
-#ifndef ITEMRESIZERCOMMAND_H
-#define ITEMRESIZERCOMMAND_H
-
-#include <QUndoCommand>
-#include <QPropertyAnimation>
-
-class QetGraphicsItem;
-class Diagram;
-
-/**
- * @brief The ItemResizerCommand class
- * This Undo command manage the scale of QetGraphicsItem.
- */
-class ItemResizerCommand : public QUndoCommand
-{
-	public:
-		ItemResizerCommand (QetGraphicsItem *qgi, const qreal &old_, const qreal &new_,const QString  &text, QUndoCommand *parent = 0);
-		virtual ~ItemResizerCommand();
-
-	public:
-		virtual int id() const {return 3;}
-		virtual bool mergeWith(const QUndoCommand *other);
-		virtual void undo();
-		virtual void redo();
-
-	private:
-		QetGraphicsItem *m_qgi;
-		qreal m_old_size, m_new_size;
-		Diagram *m_diagram;
-		QString m_text;
-		QPropertyAnimation m_animation;
-		bool m_first_redo;
-};
-
-#endif // ITEMRESIZERCOMMAND_H