Line editor : use QPropertyUndoCommand instead of ChangePartCommand

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@4068 bfdf4180-ca20-0410-9c96-a3a8aa849046

sources/editor/esevent/eseventaddline.cpp

@@ -59,8 +59,7 @@ bool ESEventAddLine::mousePressEvent(QGraphicsSceneMouseEvent *event) {
 		if (!m_line) {
 			m_line = new PartLine(m_editor);
 			m_scene -> addItem(m_line);
-			m_line -> setP1(pos);
+			m_line->setLine(QLineF(pos, pos));
-			m_line -> setP2(pos);
 			return true;
 		}
 
@@ -81,11 +80,14 @@ bool ESEventAddLine::mousePressEvent(QGraphicsSceneMouseEvent *event) {
  * @param event
  * @return
  */
-bool ESEventAddLine::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
+bool ESEventAddLine::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
+{
 	updateHelpCross (event -> scenePos());
 	if (!m_line) return false;
 
-	m_line -> setP2(m_scene -> snapToGrid(event -> scenePos()));
+	QLineF line = m_line->line();
+	line.setP2(m_scene -> snapToGrid(event -> scenePos()));
+	m_line -> setLine(line);
 	return true;
 }
 

sources/editor/graphicspart/partline.cpp

@@ -139,46 +139,6 @@ void PartLine::fromXml(const QDomElement &qde) {
 	second_length = qde.attribute("length2", "1.5").toDouble();
 }
 
-/**
- * @brief PartLine::p1
- * @return the point p1 of line.
- */
-QPointF PartLine::p1() const {
-	return m_line.p1();
-}
-
-/**
- * @brief PartLine::setP1
- * set first point to P1
- * @param p1
- */
-void PartLine::setP1(const QPointF &p1)
-{
-	if (p1 == m_line.p1()) return;
-	prepareGeometryChange();
-	m_line.setP1(p1);
-}
-
-/**
- * @brief PartLine::p2
- * @return  the point p2 of line
- */
-QPointF PartLine::p2() const {
-	return m_line.p2();
-}
-
-/**
- * @brief PartLine::setP2
- * set second point to P2
- * @param p2
- */
-void PartLine::setP2(const QPointF &p2)
-{
-	if (p2 == m_line.p2()) return;
-	prepareGeometryChange();
-	m_line.setP2(p2);
-}
-
 /**
  * @brief PartLine::mousePressEvent
  * Handle mouse press event
@@ -243,7 +203,7 @@ void PartLine::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
  * @return the point p1 in scene coordinate
  */
 QPointF PartLine::sceneP1() const {
-	return(mapToScene(p1()));
+	return(mapToScene(m_line.p1()));
 }
 
 /**
@@ -251,7 +211,7 @@ QPointF PartLine::sceneP1() const {
  * @return the point p2 in scen coordinate
  */
 QPointF PartLine::sceneP2() const {
-	return(mapToScene(p2()));
+	return(mapToScene(m_line.p2()));
 }
 
 /**
@@ -406,10 +366,10 @@ void PartLine::debugPaint(QPainter *painter)
 	
 	painter -> setPen(Qt::red);
 
-	foreach(QPointF pointy, fourEndPoints(p1(), p2(), first_length))
+	foreach(QPointF pointy, fourEndPoints(m_line.p1(), m_line.p2(), first_length))
 		painter -> drawEllipse(pointy, 0.1, 0.1);
 
-	foreach(QPointF pointy, fourEndPoints(p2(), p1(), second_length))
+	foreach(QPointF pointy, fourEndPoints(m_line.p2(), m_line.p1(), second_length))
 		painter -> drawEllipse(pointy, 0.1, 0.1);
 	
 	painter -> restore();
@@ -526,11 +486,44 @@ QLineF PartLine::line() const {
 
 void PartLine::setLine(const QLineF &line)
 {
-	if (m_line != line)
+	if (m_line == line) return;
-	{
+	prepareGeometryChange();
-		prepareGeometryChange();
+	m_line = line;
-		m_line = line;
+	emit lineChanged();
-	}
+}
+
+void PartLine::setFirstEndType(const Qet::EndType &et)
+{
+	if (first_end == et) return;
+	prepareGeometryChange();
+	first_end = et;
+	emit firstEndTypeChanged();
+}
+
+void PartLine::setSecondEndType(const Qet::EndType &et)
+{
+	if (second_end == et) return;
+	prepareGeometryChange();
+	second_end = et;
+	emit secondEndTypeChanged();
+}
+
+void PartLine::setFirstEndLength(const qreal &l)
+{
+	qreal length = qMin(qAbs(l), m_line.length());
+	if (first_length == length) return;
+	prepareGeometryChange();
+	first_length = length;
+	emit firstEndLengthChanged();
+}
+
+void PartLine::setSecondEndLength(const qreal &l)
+{
+	qreal length = qMin(qAbs(l), m_line.length());
+	if (second_length == length) return;
+	prepareGeometryChange();
+	second_length = length;
+	emit secondEndLengthChanged();
 }
 
 /**

sources/editor/graphicspart/partline.h

@@ -37,24 +37,25 @@ class PartLine : public CustomElementGraphicPart
 {
 		Q_OBJECT
 
-		Q_PROPERTY(QPointF p1 READ p1 WRITE setP1)
-		Q_PROPERTY(QPointF p2 READ p2 WRITE setP2)
 		Q_PROPERTY(Qet::EndType end1 READ firstEndType WRITE setFirstEndType)
 		Q_PROPERTY(Qet::EndType end2 READ secondEndType WRITE setSecondEndType)
 		Q_PROPERTY(qreal length1 READ firstEndLength WRITE setFirstEndLength)
 		Q_PROPERTY(qreal length2 READ secondEndLength WRITE setSecondEndLength)
 		Q_PROPERTY(QLineF line READ line WRITE setLine)
 
-	// constructors, destructor
+		// constructors, destructor
 	public:
-	PartLine(QETElementEditor *, QGraphicsItem * = 0);
+		PartLine(QETElementEditor *, QGraphicsItem * = 0);
-	virtual ~PartLine();
+		virtual ~PartLine();
-	
-	private:
-	PartLine(const PartLine &);
-	
-	// attributes
 	private:
+		PartLine(const PartLine &);
+
+	signals:
+		void lineChanged();
+		void firstEndTypeChanged();
+		void secondEndTypeChanged();
+		void firstEndLengthChanged();
+		void secondEndLengthChanged();
 
 	
 	// methods
@@ -85,18 +86,14 @@ class PartLine : public CustomElementGraphicPart
 
 		QLineF line() const;
 		void setLine(const QLineF &line);
-		QPointF p1() const;
-		void setP1 (const QPointF &p1);
-		QPointF p2 () const;
-		void setP2 (const QPointF &p2);
 		Qet::EndType firstEndType() const {return first_end;}
-		void setFirstEndType(const Qet::EndType &et) {first_end = et;}
+		void setFirstEndType(const Qet::EndType &et);
 		Qet::EndType secondEndType() const {return second_end;}
-		void setSecondEndType(const Qet::EndType &et) {second_end = et;}
+		void setSecondEndType(const Qet::EndType &et);
 		qreal firstEndLength() const {return first_length;}
-		void setFirstEndLength(const qreal &l) {first_length = qMin(qAbs(l), m_line.length());}
+		void setFirstEndLength(const qreal &l);
 		qreal secondEndLength() const {return second_length;}
-		void setSecondEndLength(const qreal &l) {second_length = qMin(qAbs(l), m_line.length());}
+		void setSecondEndLength(const qreal &l);
 
 	protected:
 		virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);

sources/editor/lineeditor.cpp

@@ -20,6 +20,8 @@
 #include "partline.h"
 #include "qet.h"
 #include "qeticons.h"
+#include "QPropertyUndoCommand/qpropertyundocommand.h"
+#include "elementscene.h"
 
 /**
 	Constructeur
@@ -29,7 +31,8 @@
 */
 LineEditor::LineEditor(QETElementEditor *editor, PartLine *line, QWidget *parent) :
 	ElementItemEditor(editor, parent),
-	part(line)
+	part(line),
+	m_locked (false)
 {
 	style_ = new StyleEditor(editor);
 	
@@ -89,27 +92,50 @@ LineEditor::~LineEditor() {
 }
 
 /**
-	Permet de specifier a cet editeur quelle primitive il doit editer. A noter
+ * @brief LineEditor::setPart
-	qu'un editeur peut accepter ou refuser d'editer une primitive.
+ * Specifie to this editor the part to edit.
-	L'editeur de ligne acceptera d'editer la primitive new_part s'il s'agit d'un
+ * Note that an editor can accept or refuse to edit a part. This editor accept only PartLine.
-	objet de la classe PartLine.
+ * @param new_part
-	@param new_part Nouvelle primitive a editer
+ * @return
-	@return true si l'editeur a accepter d'editer la primitive, false sinon
+ */
-*/
+bool LineEditor::setPart(CustomElementPart *new_part)
-bool LineEditor::setPart(CustomElementPart *new_part) {
+{
-	if (!new_part) {
+	if (!new_part)
+	{
+		if (part)
+		{
+			disconnect(part, &PartLine::lineChanged, this, &LineEditor::updateForm);
+			disconnect(part, &PartLine::firstEndTypeChanged, this, &LineEditor::updateForm);
+			disconnect(part, &PartLine::secondEndTypeChanged, this, &LineEditor::updateForm);
+			disconnect(part, &PartLine::firstEndLengthChanged, this, &LineEditor::updateForm);
+			disconnect(part, &PartLine::secondEndLengthChanged, this, &LineEditor::updateForm);
+		}
 		part = 0;
 		style_ -> setPart(0);
 		return(true);
 	}
-	if (PartLine *part_line = dynamic_cast<PartLine *>(new_part)) {
+	if (PartLine *part_line = dynamic_cast<PartLine *>(new_part))
+	{
+		if (part == part_line) return true;
+		if (part)
+		{
+			disconnect(part, &PartLine::lineChanged, this, &LineEditor::updateForm);
+			disconnect(part, &PartLine::firstEndTypeChanged, this, &LineEditor::updateForm);
+			disconnect(part, &PartLine::secondEndTypeChanged, this, &LineEditor::updateForm);
+			disconnect(part, &PartLine::firstEndLengthChanged, this, &LineEditor::updateForm);
+			disconnect(part, &PartLine::secondEndLengthChanged, this, &LineEditor::updateForm);
+		}
 		part = part_line;
 		style_ -> setPart(part);
 		updateForm();
+		connect(part, &PartLine::lineChanged, this, &LineEditor::updateForm);
+		connect(part, &PartLine::firstEndTypeChanged, this, &LineEditor::updateForm);
+		connect(part, &PartLine::secondEndTypeChanged, this, &LineEditor::updateForm);
+		connect(part, &PartLine::firstEndLengthChanged, this, &LineEditor::updateForm);
+		connect(part, &PartLine::secondEndLengthChanged, this, &LineEditor::updateForm);
 		return(true);
-	} else {
-		return(false);
 	}
+	return(false);
 }
 
 /**
@@ -135,40 +161,94 @@ QPointF LineEditor::editedP2() const {
 	return part -> mapFromScene(x2->value(), y2->value());
 }
 
-/**
+/// Met a jour le type de la premiere extremite
-	Met a jour la ligne a partir des donnees du formulaire
+void LineEditor::updateLineEndType1()
-*/
+{
-void LineEditor::updateLine() {
+	if (m_locked) return;
-	if (!part) return;
+	m_locked = true;
-	part -> setProperty("end1",    end1_type   -> itemData(end1_type->currentIndex()));
+	QVariant end = end1_type -> itemData(end1_type->currentIndex());
-	part -> setProperty("length1", end1_length -> value());
+
-	part -> setProperty("end2",	   end2_type   -> itemData(end2_type->currentIndex()));
+	if (end != part->property("end1"))
-	part -> setProperty("length2", end2_length -> value());
+	{
-	part -> setProperty("p1", editedP1());
+		QPropertyUndoCommand *undo = new QPropertyUndoCommand(part, "end1", part->property("end1"), end);
-	part -> setProperty("p2", editedP2());
+		undo->setText(tr("Modifier une ligne"));
+		elementScene()->undoStack().push(undo);
+	}
+	m_locked = false;
 }
 
-/// Met a jour l'abscisse du premier point de la ligne et cree un objet d'annulation
-void LineEditor::updateLineX1() { addChangePartCommand(tr("abscisse point 1"),    part, "p1", editedP1()); }
-/// Met a jour l'ordonnee du premier point de la ligne et cree un objet d'annulation
-void LineEditor::updateLineY1() { addChangePartCommand(tr("ordonnée point 1"), part, "p1", editedP1()); }
-/// Met a jour l'abscisse du second point de la ligne et cree un objet d'annulation
-void LineEditor::updateLineX2() { addChangePartCommand(tr("abscisse point 2"),    part, "p2", editedP2()); }
-/// Met a jour l'ordonnee du second point de la ligne et cree un objet d'annulation
-void LineEditor::updateLineY2() { addChangePartCommand(tr("ordonnée point 2"), part, "p2", editedP2()); }
-/// Met a jour le type de la premiere extremite
-void LineEditor::updateLineEndType1() {   addChangePartCommand(tr("type fin 1"),     part, "end1",    end1_type -> itemData(end1_type->currentIndex()));   }
 /// Met a jour la longueur de la premiere extremite
-void LineEditor::updateLineEndLength1() { addChangePartCommand(tr("longueur fin 1"), part, "length1", end1_length -> value()); }
+void LineEditor::updateLineEndLength1()
+{
+	if (m_locked) return;
+	m_locked = true;
+	double length = end1_length->value();
+
+	if (length != part->property("length1"))
+	{
+		QPropertyUndoCommand *undo = new QPropertyUndoCommand(part, "length1", part->property("length1"), length);
+		undo->setText(tr("Modifier une ligne"));
+		undo->enableAnimation();
+		elementScene()->undoStack().push(undo);
+	}
+	m_locked = false;
+}
+
 /// Met a jour le type de la seconde extremite
-void LineEditor::updateLineEndType2() {   addChangePartCommand(tr("type fin 2"),     part, "end2",    end2_type -> itemData(end2_type->currentIndex()));   }
+void LineEditor::updateLineEndType2()
+{
+	if (m_locked) return;
+	m_locked = true;
+	QVariant end = end2_type -> itemData(end2_type->currentIndex());
+
+	if (end != part->property("end2"))
+	{
+		QPropertyUndoCommand *undo = new QPropertyUndoCommand(part, "end2", part->property("end2"), end);
+		undo->setText(tr("Modifier une ligne"));
+		elementScene()->undoStack().push(undo);
+	}
+	m_locked = false;
+}
+
 /// Met a jour la longueur de la seconde extremite
-void LineEditor::updateLineEndLength2() { addChangePartCommand(tr("longueur fin 2"), part, "length2", end2_length -> value()); }
+void LineEditor::updateLineEndLength2()
+{
+	if (m_locked) return;
+	m_locked = true;
+	double length = end2_length->value();
+
+	if (length != part->property("length2"))
+	{
+		QPropertyUndoCommand *undo = new QPropertyUndoCommand(part, "length2", part->property("length2"), length);
+		undo->setText(tr("Modifier une ligne"));
+		undo->enableAnimation();
+		elementScene()->undoStack().push(undo);
+	}
+	m_locked = false;
+}
+
+void LineEditor::lineEditingFinished()
+{
+	if (m_locked) return;
+	m_locked = true;
+	QLineF line (editedP1(), editedP2());
+
+	if (line != part->property("line"))
+	{
+		QPropertyUndoCommand *undo = new QPropertyUndoCommand(part, "line", part->property("line"), line);
+		undo->setText(tr("Modifier une ligne"));
+		undo->enableAnimation();
+		elementScene()->undoStack().push(undo);
+	}
+	m_locked = false;
+}
 
 /**
-	Met a jour le formulaire d'edition
+ * @brief LineEditor::updateForm
-*/
+ * Update the value of the widgets
-void LineEditor::updateForm() {
+ */
+void LineEditor::updateForm()
+{
 	if (!part) return;
 	activeConnections(false);
 	QPointF p1(part -> sceneP1());
@@ -185,24 +265,30 @@ void LineEditor::updateForm() {
 }
 
 /**
-	Active ou desactive les connexionx signaux/slots entre les widgets internes.
+ * @brief LineEditor::activeConnections
-	@param active true pour activer les connexions, false pour les desactiver
+ * Enable/disable connection between editor widget and slot editingFinished
-*/
+ * True == enable | false == disable
-void LineEditor::activeConnections(bool active) {
+ * @param active
-	if (active) {
+ */
-		connect(x1, SIGNAL(editingFinished()), this, SLOT(updateLineX1()));
+void LineEditor::activeConnections(bool active)
-		connect(y1, SIGNAL(editingFinished()), this, SLOT(updateLineY1()));
+{
-		connect(x2, SIGNAL(editingFinished()), this, SLOT(updateLineX2()));
+	if (active)
-		connect(y2, SIGNAL(editingFinished()), this, SLOT(updateLineY2()));
+	{
+		connect(x1, SIGNAL(editingFinished()), this, SLOT(lineEditingFinished()));
+		connect(y1, SIGNAL(editingFinished()), this, SLOT(lineEditingFinished()));
+		connect(x2, SIGNAL(editingFinished()), this, SLOT(lineEditingFinished()));
+		connect(y2, SIGNAL(editingFinished()), this, SLOT(lineEditingFinished()));
 		connect(end1_type,   SIGNAL(currentIndexChanged(int)), this, SLOT(updateLineEndType1()));
 		connect(end1_length, SIGNAL(editingFinished()),        this, SLOT(updateLineEndLength1()));
 		connect(end2_type,   SIGNAL(currentIndexChanged(int)), this, SLOT(updateLineEndType2()));
 		connect(end2_length, SIGNAL(editingFinished()),        this, SLOT(updateLineEndLength2()));
-	} else {
+	}
-		disconnect(x1, SIGNAL(editingFinished()), this, SLOT(updateLineX1()));
+	else
-		disconnect(y1, SIGNAL(editingFinished()), this, SLOT(updateLineY1()));
+	{
-		disconnect(x2, SIGNAL(editingFinished()), this, SLOT(updateLineX2()));
+		disconnect(x1, SIGNAL(editingFinished()), this, SLOT(lineEditingFinished()));
-		disconnect(y2, SIGNAL(editingFinished()), this, SLOT(updateLineY2()));
+		disconnect(y1, SIGNAL(editingFinished()), this, SLOT(lineEditingFinished()));
+		disconnect(x2, SIGNAL(editingFinished()), this, SLOT(lineEditingFinished()));
+		disconnect(y2, SIGNAL(editingFinished()), this, SLOT(lineEditingFinished()));
 		disconnect(end1_type,   SIGNAL(currentIndexChanged(int)), this, SLOT(updateLineEndType1()));
 		disconnect(end1_length, SIGNAL(editingFinished()),        this, SLOT(updateLineEndLength1()));
 		disconnect(end2_type,   SIGNAL(currentIndexChanged(int)), this, SLOT(updateLineEndType2()));

sources/editor/lineeditor.h

@@ -17,32 +17,37 @@
 */
 #ifndef LINE_EDITOR_H
 #define LINE_EDITOR_H
-#include <QtWidgets>
+
 #include "elementitemeditor.h"
+
 class PartLine;
 class StyleEditor;
+class QComboBox;
+class QDoubleSpinBox;
+
 /**
 	This class provides a widget to edit lines within the element editor.
 */
 class LineEditor : public ElementItemEditor
 {
 	Q_OBJECT
-	// constructors, destructor
+		// constructors, destructor
 	public:
 		LineEditor(QETElementEditor *, PartLine * = 0, QWidget * = 0);
 		virtual ~LineEditor();
 	private:
 		LineEditor(const LineEditor &);
 	
-	// attributes
+		// attributes
 	private:
 		PartLine *part;
 		StyleEditor *style_;
 		QDoubleSpinBox *x1, *y1, *x2, *y2;
 		QComboBox *end1_type, *end2_type;
 		QDoubleSpinBox*end1_length, *end2_length;
+		bool m_locked;
 	
-	// methods
+		// methods
 	public:
 		virtual bool setPart(CustomElementPart *);
 		virtual CustomElementPart *currentPart() const;
@@ -50,15 +55,11 @@ class LineEditor : public ElementItemEditor
 		QPointF editedP2() const;
 	
 	public slots:
-		void updateLine();
-		void updateLineX1();
-		void updateLineY1();
-		void updateLineX2();
-		void updateLineY2();
 		void updateLineEndType1();
 		void updateLineEndLength1();
 		void updateLineEndType2();
 		void updateLineEndLength2();
+		void lineEditingFinished();
 		void updateForm();
 	
 	private: