From a2a65b78a81443b2d7d2da30976cbd6e02d0beab Mon Sep 17 00:00:00 2001
From: xavierqet
 <xavierqet@r9  xavierqet  2006-10-30 20:28:16 +0100 (lun. 30 oct. 2006)>
Date: Mon, 10 Sep 2007 21:50:17 +0000
Subject: [PATCH] Dans l'editeur d'elements, les changements de noms sont
 desormais annulables

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@120 bfdf4180-ca20-0410-9c96-a3a8aa849046
---
 editor/editorcommands.cpp | 34 ++++++++++++++++++++++++++++++++++
 editor/editorcommands.h   | 25 +++++++++++++++++++++++++
 editor/elementscene.cpp   | 24 ++++++++++++------------
 nameslist.cpp             | 16 ++++++++++++++++
 nameslist.h               |  2 ++
 5 files changed, 89 insertions(+), 12 deletions(-)

diff --git a/editor/editorcommands.cpp b/editor/editorcommands.cpp
index 3eb1e9b90..0b4db7af5 100644
--- a/editor/editorcommands.cpp
+++ b/editor/editorcommands.cpp
@@ -263,3 +263,37 @@ void ChangeHotspotCommand::applyOffset(const QPointF &o) {
 		qgi -> translate(o.x(), o.y());
 	}
 }
+
+/**
+	Constructeur
+	@param element_scene Element edite
+	@param before Listes des noms avant changement
+	@param after Listes des noms apres changement
+	@param parent QUndoCommand parent
+*/
+ChangeNamesCommand::ChangeNamesCommand(
+	ElementScene *element_scene,
+	const NamesList &before,
+	const NamesList &after,
+	QUndoCommand *parent
+) :
+	QUndoCommand(QObject::tr("modification noms"), parent),
+	names_before(before),
+	names_after(after),
+	element(element_scene)
+{
+}
+
+/// Destructeur
+ChangeNamesCommand::~ChangeNamesCommand() {
+}
+
+/// Annule le changement
+void ChangeNamesCommand::undo() {
+	element -> setNames(names_before);
+}
+
+/// Refait le changement
+void ChangeNamesCommand::redo() {
+	element -> setNames(names_after);
+}
diff --git a/editor/editorcommands.h b/editor/editorcommands.h
index e200d96a6..d5401af73 100644
--- a/editor/editorcommands.h
+++ b/editor/editorcommands.h
@@ -168,4 +168,29 @@ class ChangeHotspotCommand : public QUndoCommand {
 	/// decalage a appliquer aux elements
 	QPoint offset;
 };
+
+/**
+	Cette classe represente l'action de changer les noms d'un element
+*/
+class ChangeNamesCommand : public QUndoCommand {
+	// constructeurs, destructeur
+	public:
+	ChangeNamesCommand(ElementScene *, const NamesList &, const NamesList &, QUndoCommand * = 0);
+	virtual ~ChangeNamesCommand();
+	private:
+	ChangeNamesCommand(const ChangeNamesCommand &);
+	
+	// methodes
+	virtual void undo();
+	virtual void redo();
+	
+	// attributs
+	private:
+	/// Liste des noms avant changement
+	NamesList names_before;
+	/// Liste des noms apres changement
+	NamesList names_after;
+	/// scene sur laquelle se produisent les actions
+	ElementScene *element;
+};
 #endif
diff --git a/editor/elementscene.cpp b/editor/elementscene.cpp
index d5127dd9c..c517f89d0 100644
--- a/editor/elementscene.cpp
+++ b/editor/elementscene.cpp
@@ -449,17 +449,14 @@ void ElementScene::slot_editSizeHotSpot() {
 	connect(dialog_buttons, SIGNAL(rejected()),    &dialog_sh, SLOT(reject()));
 	
 	// lance le dialogue
-	if (dialog_sh.exec() == QDialog::Accepted) {
-		undo_stack.push(
-			new ChangeHotspotCommand(
-				this,
-				QSize(width(), height()),
-				hotspot_editor -> elementSize(),
-				_hotspot,
-				hotspot_editor -> hotspot(),
-				hotspot_editor -> mustTranslateParts() ? hotspot_editor -> offsetParts() : QPoint()
-			)
-		);
+	if (dialog_sh.exec() != QDialog::Accepted) return;
+	QSize new_size(hotspot_editor -> elementSize());
+	QSize old_size(width(), height());
+	QPoint new_hotspot(hotspot_editor -> hotspot());
+	QPoint old_hotspot(_hotspot);
+	
+	if (new_size != old_size || new_hotspot != old_hotspot) {
+		undo_stack.push(new ChangeHotspotCommand(this, old_size, new_size, old_hotspot, new_hotspot, hotspot_editor -> offsetParts()));
 	}
 }
 
@@ -521,6 +518,9 @@ void ElementScene::slot_editNames() {
 	connect(dialog_buttons, SIGNAL(rejected()),     &dialog,      SLOT(reject()));
 	
 	// lance le dialogue
-	if (dialog.exec() == QDialog::Accepted) _names = names_widget -> names();
+	if (dialog.exec() == QDialog::Accepted) {
+		NamesList new_names(names_widget -> names());
+		if (new_names != _names) undoStack().push(new ChangeNamesCommand(this, _names, new_names));
+	}
 }
 
diff --git a/nameslist.cpp b/nameslist.cpp
index 096f63837..e234bbc0a 100644
--- a/nameslist.cpp
+++ b/nameslist.cpp
@@ -127,6 +127,22 @@ QDomElement NamesList::toXml(QDomDocument &xml_document) const {
 	return(names_elmt);
 }
 
+/**
+	@param nl une autre liste de noms
+	@return true si les listes de noms sont differentes, false sinon
+*/
+bool NamesList::operator!=(const NamesList &nl) const {
+	return(hash_names != nl.hash_names);
+}
+
+/**
+	@param nl une autre liste de noms
+	@return true si les listes de noms sont identiques, false sinon
+*/
+bool NamesList::operator==(const NamesList &nl) const {
+	return(hash_names == nl.hash_names);
+}
+
 /**
 	Retourne le nom approprie en fonction de la langue du systeme
 	Par ordre de preference, on prendra :
diff --git a/nameslist.h b/nameslist.h
index 6d704e4d9..12b596cad 100644
--- a/nameslist.h
+++ b/nameslist.h
@@ -23,6 +23,8 @@ class NamesList {
 	int count() const;
 	QString &operator[](const QString &);
 	const QString operator[](const QString &) const;
+	bool operator!=(const NamesList &) const;
+	bool operator==(const NamesList &) const;
 	const QString &name(const QString & = QString()) const;
 	
 	// methodes relatives a XML