Projects are now displayed with a [Modified] tag after their properties were edited.

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@1901 bfdf4180-ca20-0410-9c96-a3a8aa849046

sources/projectconfigpages.cpp

@@ -105,8 +105,23 @@ QIcon ProjectMainConfigPage::icon() const {
 	Apply the configuration after user input
 */
 void ProjectMainConfigPage::applyProjectConf() {
-	project_ -> setTitle(title_value_ -> text());
-	project_ -> setProjectProperties(project_variables_ -> context());
+	bool modified_project = false;
+	
+	QString new_title = title_value_ -> text();
+	if (project_ -> title() != new_title) {
+		project_ -> setTitle(new_title);
+		modified_project = true;
+	}
+	
+	DiagramContext new_properties = project_variables_ -> context();
+	if (project_ -> projectProperties() != new_properties) {
+		project_ -> setProjectProperties(new_properties);
+		modified_project = true;
+	}
+	
+	if (modified_project) {
+		project_ -> setModified(true);
+	}
 }
 
 /**
@@ -202,9 +217,29 @@ QIcon ProjectNewDiagramConfigPage::icon() const {
 	Apply the configuration after user input
 */
 void ProjectNewDiagramConfigPage::applyProjectConf() {
-	project_ -> setDefaultBorderProperties(border_ -> borderProperties());
-	project_ -> setDefaultTitleBlockProperties(titleblock_ -> titleBlockProperties());
-	project_ -> setDefaultConductorProperties(conductor_ -> conductorProperties());
+	bool modified_project = false;
+	
+	BorderProperties new_border_prop = border_ -> borderProperties();
+	if (project_ -> defaultBorderProperties() != new_border_prop) {
+		project_ -> setDefaultBorderProperties(border_ -> borderProperties());
+		modified_project = true;
+	}
+	
+	TitleBlockProperties new_tbt_prop = titleblock_ -> titleBlockProperties();
+	if (project_ -> defaultTitleBlockProperties() != new_tbt_prop) {
+		project_ -> setDefaultTitleBlockProperties(titleblock_ -> titleBlockProperties());
+		modified_project = true;
+	}
+	
+	ConductorProperties new_conductor_prop = conductor_ -> conductorProperties();
+	if (project_ -> defaultConductorProperties() != new_conductor_prop) {
+		project_ -> setDefaultConductorProperties(conductor_ -> conductorProperties());
+		modified_project = true;
+	}
+	
+	if (modified_project) {
+		project_ -> setModified(modified_project);
+	}
 }
 
 /**

sources/projectview.cpp

@@ -106,6 +106,7 @@ void ProjectView::setProject(QETProject *project) {
 	if (!project_) {
 		project_ = project;
 		connect(project_, SIGNAL(projectTitleChanged(QETProject *, const QString &)), this, SLOT(updateWindowTitle()));
+		connect(project_, SIGNAL(projectModified    (QETProject *, bool)),            this, SLOT(updateWindowTitle()));
 		connect(project_, SIGNAL(readOnlyChanged    (QETProject *, bool)),            this, SLOT(adjustReadOnlyState()));
 		adjustReadOnlyState();
 		loadDiagrams();
@@ -562,6 +563,7 @@ void ProjectView::exportProject() {
 	@return true si l'enregistrement a reussi, false sinon
 */
 bool ProjectView::save() {
+	bool result = false;
 	if (project_) {
 		if (project_ -> filePath().isEmpty()) {
 			// le projet n'est pas encore enregistre dans un fichier
@@ -572,16 +574,15 @@ bool ProjectView::save() {
 		if (DiagramView *current_view = currentDiagram()) {
 			if (Diagram *diagram = current_view -> diagram()) {
 				diagram -> write();
-				updateWindowTitle();
-				return(true);
+				result = true;
 			}
 		} else {
 			// s'il n'y a pas de schema, on appelle directement la methode write()
-			project_ -> write();
+			result = project_ -> write();
 		}
-		return(true);
 	}
-	return(false);
+	updateWindowTitle();
+	return(result);
 }
 
 /**

sources/qetproject.cpp

@@ -40,6 +40,7 @@ QETProject::QETProject(int diagrams, QObject *parent) :
 	QObject(parent),
 	collection_(0),
 	project_qet_version_(-1),
+	modified_(false),
 	read_only_(false),
 	titleblocks_(this)
 {
@@ -69,6 +70,7 @@ QETProject::QETProject(const QString &path, QObject *parent) :
 	QObject(parent),
 	collection_(0),
 	project_qet_version_(-1),
+	modified_(false),
 	read_only_(false),
 	titleblocks_(this)
 {
@@ -107,6 +109,7 @@ QETProject::QETProject(const QDomElement &xml_element, QObject *parent) :
 	QObject(parent),
 	collection_(0),
 	project_qet_version_(-1),
+	modified_(false),
 	read_only_(false),
 	titleblocks_(this)
 {
@@ -264,6 +267,14 @@ QString QETProject::pathNameTitle() const {
 			)
 		).arg(final_title);
 	}
+	if (modified_) {
+		final_title = QString(
+			tr(
+				"%1 [modifi\351]",
+				"displayed title for a modified project - %1 is a displayable title"
+			)
+		).arg(final_title);
+	}
 	
 	return(final_title);
 }
@@ -478,6 +489,8 @@ bool QETProject::write() {
 	bool writing = QET::writeXmlFile(document_root_, file_path_, &error_message);
 	if (!writing) {
 		qDebug() << qPrintable(QString("QETProject::write() : %1 [%2]").arg(error_message).arg(QET::pointerString(this)));
+	} else {
+		setModified(false);
 	}
 	return(writing);
 }
@@ -834,6 +847,17 @@ void QETProject::diagramOrderChanged(int old_index, int new_index) {
 	emit(projectDiagramsOrderChanged(this, old_index, new_index));
 }
 
+/**
+	Mark this project as modified and emit the projectModified() signal.
+*/
+void QETProject::setModified(bool modified) {
+	if (modified_ != modified) {
+		modified_ = modified;
+		emit(projectModified(this, modified_));
+		emit(projectInformationsChanged(this));
+	}
+}
+
 /**
 	Set up signals/slots connections related to the title block templates
 	collection.
@@ -1121,6 +1145,16 @@ NamesList QETProject::namesListForIntegrationCategory() {
 	return(names);
 }
 
+/**
+	@return true if project options (title, project-wide properties, settings
+	for new diagrams, ...) were modified, false otherwise.
+*/
+bool QETProject::projectOptionsWereModified() {
+	// unlike similar methods, this method does not compare the content against
+	// expected values; instead, we just check whether we have been set as modified.
+	return(modified_);
+}
+
 /**
 	Cette methode sert a reperer un projet vide, c-a-d un projet identique a ce
 	que l'on obtient en faisant Fichier > Nouveau.
@@ -1149,6 +1183,16 @@ bool QETProject::embeddedCollectionWasModified() {
 	return(false);
 }
 
+/**
+	@return true if the embedded title block templates collection was modified,
+	false otherwise.
+*/
+bool QETProject::titleBlockTemplateCollectionWasModified() {
+	// we do not expect a new project to embed any title block template (this may
+	// change in the future though).
+	return(titleblocks_.templates().count());
+}
+
 /**
 	Cette methode sert a reperer un projet vide, c-a-d un projet identique a ce
 	que l'on obtient en faisant Fichier > Nouveau.
@@ -1189,12 +1233,10 @@ void QETProject::setProjectProperties(const DiagramContext &context) {
 	@see diagramsWereModified(), embeddedCollectionWasModified()
 */
 bool QETProject::projectWasModified() {
-	// il doit avoir un titre vide
-	if (!title().isEmpty()) return(true);
-	
-	// ni ses schemas ni sa collection embarquee ne doivent avoir ete modifies
+	if (projectOptionsWereModified()) return(true);
 	if (diagramsWereModified()) return(true);
 	if (embeddedCollectionWasModified()) return(true);
+	if (titleBlockTemplateCollectionWasModified()) return(true);
 	
 	return(false);
 }

sources/qetproject.h

@@ -113,7 +113,9 @@ class QETProject : public QObject {
 	void cleanUnusedElements(MoveElementsHandler *);
 	void cleanEmptyCategories(MoveElementsHandler *);
 	bool projectWasModified();
+	bool projectOptionsWereModified();
 	bool embeddedCollectionWasModified();
+	bool titleBlockTemplateCollectionWasModified();
 	bool diagramsWereModified();
 	DiagramContext projectProperties();
 	void setProjectProperties(const DiagramContext &);
@@ -123,6 +125,7 @@ class QETProject : public QObject {
 	Diagram *addNewDiagram();
 	void removeDiagram(Diagram *);
 	void diagramOrderChanged(int, int);
+	void setModified(bool);
 	
 	signals:
 	void projectFilePathChanged(QETProject *, const QString &);
@@ -130,6 +133,7 @@ class QETProject : public QObject {
 	void projectInformationsChanged(QETProject *);
 	void diagramAdded(QETProject *, Diagram *);
 	void diagramRemoved(QETProject *, Diagram *);
+	void projectModified(QETProject *, bool);
 	void projectDiagramsOrderChanged(QETProject *, int, int);
 	void elementIntegrated(QETProject *, const ElementsLocation &);
 	void diagramUsedTemplate(TitleBlockTemplatesCollection *, const QString &);
@@ -172,6 +176,8 @@ class QETProject : public QObject {
 	QString project_title_;
 	/// Version de QElectroTech declaree dans le document XML lors de son ouverture
 	qreal project_qet_version_;
+	/// Whether options were modified
+	bool modified_;
 	/// booleen indiquant si le projet est en ReadOnly ou non
 	bool read_only_;
 	/// Chemin du fichier pour lequel ce projet est considere comme etant en lecture seule