Fix and Improve Multi-selection for Diagram Operations

sources/elementspanel.cpp

@@ -22,6 +22,7 @@
 #include "qeticons.h"
 #include "qetproject.h"
 #include "titleblock/templatescollection.h"
+#include <QApplication>
 
 /*
 	Lorsque le flag ENABLE_PANEL_DND_CHECKS est defini, le panel d'elements
@@ -42,7 +43,7 @@ ElementsPanel::ElementsPanel(QWidget *parent) :
 	first_reload_(true)
 {
 	// selection unique
-	setSelectionMode(QAbstractItemView::SingleSelection);
+	setSelectionMode(QAbstractItemView::ExtendedSelection);
 	setColumnCount(1);
 	setExpandsOnDoubleClick(true);
 	setMouseTracking(true);
@@ -299,11 +300,14 @@ void ElementsPanel::reload()
 }
 
 /**
-	@brief ElementsPanel::slot_clicked
-	handle click on qtwi
-	@param qtwi item that was clickerd on
+ * @brief ElementsPanel::slot_clicked
+ * handle click on qtwi
+ * @param qtwi item that was clickerd on
  */
 void ElementsPanel::slot_clicked(QTreeWidgetItem *clickedItem, int) {
+	if (QApplication::keyboardModifiers() & (Qt::ShiftModifier | Qt::ControlModifier)) {
+		return;
+	}
 
 	requestForItem(clickedItem);
 }
@@ -553,3 +557,20 @@ void ElementsPanel::keyPressEvent(QKeyEvent *event)
 		QTreeView::keyPressEvent(event);
 	}
 }
+
+/**
+ * @brief ElementsPanel::selectedDiagrams
+ * @return A list of all currently selected diagrams in the panel.
+ */
+QList<Diagram *> ElementsPanel::selectedDiagrams() const
+{
+	QList<Diagram *> diagrams;
+	foreach (QTreeWidgetItem *item, selectedItems()) {
+		if (item->type() == QET::Diagram) {
+			if (Diagram *diagram = valueForItem<Diagram *>(item)) {
+				diagrams.append(diagram);
+			}
+		}
+	}
+	return diagrams;
+}

sources/elementspanel.h

@@ -49,6 +49,7 @@ class ElementsPanel : public GenericPanel {
 	// methods used to get what is represented by a particular visual item
 	QString dirPathForItem(QTreeWidgetItem *);
 	QString filePathForItem(QTreeWidgetItem *);
+	QList<Diagram *> selectedDiagrams() const;
 	
 	signals:
 	void requestForProject(QETProject *);

sources/elementspanelwidget.cpp

@@ -25,6 +25,7 @@
 #include "qetproject.h"
 #include "titleblock/templatedeleter.h"
 #include <QFileInfo>
+#include <QMessageBox>
 
 /*
 	When the ENABLE_PANEL_WIDGET_DND_CHECKS flag is set, the panel
@@ -242,85 +243,134 @@ void ElementsPanelWidget::newDiagram()
 }
 
 /**
-	Emet le signal requestForDiagramDeletion avec le schema selectionne
+ * Emet le signal requestForDiagramsDeletion avec les schemas selectionnes
  */
 void ElementsPanelWidget::deleteDiagram()
 {
-	if (Diagram *selected_diagram = elements_panel -> selectedDiagram()) {
-		emit(requestForDiagramDeletion(selected_diagram));
+	QList<Diagram *> diagrams_to_delete = elements_panel->selectedDiagrams();
+
+	if (diagrams_to_delete.isEmpty()) return;
+
+	emit(requestForDiagramsDeletion(diagrams_to_delete));
+
 	elements_panel->reload();
 }
-}
-
 /**
-	Emet le signal requestForDiagramMoveUpTop avec le schema selectionne
-+*/
-void ElementsPanelWidget::moveDiagramUpTop()
-{
-	if (Diagram *selected_diagram = elements_panel -> selectedDiagram()) {
-		emit(requestForDiagramMoveUpTop(selected_diagram));
-	}
-}
-
-
-
-/**
-	Emet le signal requestForDiagramMoveUp avec le schema selectionne
+ * Emits the requestForDiagramMoveUpTop signal with all selected diagrams.
  */
-void ElementsPanelWidget::moveDiagramUp()
-{
-	if (Diagram *selected_diagram = elements_panel -> selectedDiagram()) {
-		emit(requestForDiagramMoveUp(selected_diagram));
+void ElementsPanelWidget::moveDiagramUpTop() {
+	QList<Diagram *> diagrams_to_move = elements_panel->selectedDiagrams();
+	if (diagrams_to_move.isEmpty()) return;
+
+	// Emit the entire list at once
+	emit requestForDiagramMoveUpTop(diagrams_to_move);
+
+	// Clear messy tree selection caused by moving items, then restore clean selection
+	elements_panel->clearSelection();
+	for (Diagram *d : diagrams_to_move) {
+		if (auto item = elements_panel->getItemForDiagram(d)) item->setSelected(true);
 	}
 }
 
 /**
-	Emet le signal requestForDiagramMoveDown avec le schema selectionne
+ * Emits the requestForDiagramMoveUp signal with all selected diagrams.
  */
-void ElementsPanelWidget::moveDiagramDown()
-{
-	if (Diagram *selected_diagram = elements_panel -> selectedDiagram()) {
-		emit(requestForDiagramMoveDown(selected_diagram));
+void ElementsPanelWidget::moveDiagramUp() {
+	QList<Diagram *> diagrams_to_move = elements_panel->selectedDiagrams();
+	if (diagrams_to_move.isEmpty()) return;
+
+	// Emit the entire list at once
+	emit requestForDiagramMoveUp(diagrams_to_move);
+
+	// Clear messy tree selection caused by moving items, then restore clean selection
+	elements_panel->clearSelection();
+	for (Diagram *d : diagrams_to_move) {
+		if (auto item = elements_panel->getItemForDiagram(d)) item->setSelected(true);
 	}
 }
 
 /**
-	Emet le signal requestForDiagramMoveUpx10 avec le schema selectionne
+ * Emits the requestForDiagramMoveDown signal with all selected diagrams.
  */
-void ElementsPanelWidget::moveDiagramUpx10()
-{
-	if (Diagram *selected_diagram = elements_panel -> selectedDiagram()) {
-		emit(requestForDiagramMoveUpx10(selected_diagram));
+void ElementsPanelWidget::moveDiagramDown() {
+	QList<Diagram *> diagrams_to_move = elements_panel->selectedDiagrams();
+	if (diagrams_to_move.isEmpty()) return;
+
+	// Emit the entire list at once
+	emit requestForDiagramMoveDown(diagrams_to_move);
+
+	// Clear messy tree selection caused by moving items, then restore clean selection
+	elements_panel->clearSelection();
+	for (Diagram *d : diagrams_to_move) {
+		if (auto item = elements_panel->getItemForDiagram(d)) item->setSelected(true);
 	}
 }
 
 /**
-	Emet le signal requestForDiagramMoveUpx100 avec le schema selectionne
+ * Emits the requestForDiagramMoveUpx10 signal with all selected diagrams.
  */
-void ElementsPanelWidget::moveDiagramUpx100()
-{
-	if (Diagram *selected_diagram = elements_panel -> selectedDiagram()) {
-		emit(requestForDiagramMoveUpx100(selected_diagram));
+void ElementsPanelWidget::moveDiagramUpx10() {
+	QList<Diagram *> diagrams_to_move = elements_panel->selectedDiagrams();
+	if (diagrams_to_move.isEmpty()) return;
+
+	// Emit the entire list at once
+	emit requestForDiagramMoveUpx10(diagrams_to_move);
+
+	// Clear messy tree selection caused by moving items, then restore clean selection
+	elements_panel->clearSelection();
+	for (Diagram *d : diagrams_to_move) {
+		if (auto item = elements_panel->getItemForDiagram(d)) item->setSelected(true);
 	}
 }
 
 /**
-	Emet le signal requestForDiagramMoveDownx10 avec le schema selectionne
+ * Emits the requestForDiagramMoveUpx100 signal with all selected diagrams.
  */
-void ElementsPanelWidget::moveDiagramDownx10()
-{
-	if (Diagram *selected_diagram = elements_panel -> selectedDiagram()) {
-		emit(requestForDiagramMoveDownx10(selected_diagram));
+void ElementsPanelWidget::moveDiagramUpx100() {
+	QList<Diagram *> diagrams_to_move = elements_panel->selectedDiagrams();
+	if (diagrams_to_move.isEmpty()) return;
+
+	// Emit the entire list at once
+	emit requestForDiagramMoveUpx100(diagrams_to_move);
+
+	// Clear messy tree selection caused by moving items, then restore clean selection
+	elements_panel->clearSelection();
+	for (Diagram *d : diagrams_to_move) {
+		if (auto item = elements_panel->getItemForDiagram(d)) item->setSelected(true);
 	}
 }
 
 /**
-	Emet le signal requestForDiagramMoveDownx100 avec le schema selectionne
+ * Emits the requestForDiagramMoveDownx10 signal with all selected diagrams.
  */
-void ElementsPanelWidget::moveDiagramDownx100()
-{
-	if (Diagram *selected_diagram = elements_panel -> selectedDiagram()) {
-		emit(requestForDiagramMoveDownx100(selected_diagram));
+void ElementsPanelWidget::moveDiagramDownx10() {
+	QList<Diagram *> diagrams_to_move = elements_panel->selectedDiagrams();
+	if (diagrams_to_move.isEmpty()) return;
+
+	// Emit the entire list at once
+	emit requestForDiagramMoveDownx10(diagrams_to_move);
+
+	// Clear messy tree selection caused by moving items, then restore clean selection
+	elements_panel->clearSelection();
+	for (Diagram *d : diagrams_to_move) {
+		if (auto item = elements_panel->getItemForDiagram(d)) item->setSelected(true);
+	}
+}
+
+/**
+ * Emits the requestForDiagramMoveDownx100 signal with all selected diagrams.
+ */
+void ElementsPanelWidget::moveDiagramDownx100() {
+	QList<Diagram *> diagrams_to_move = elements_panel->selectedDiagrams();
+	if (diagrams_to_move.isEmpty()) return;
+
+	// Emit the entire list at once
+	emit requestForDiagramMoveDownx100(diagrams_to_move);
+
+	// Clear messy tree selection caused by moving items, then restore clean selection
+	elements_panel->clearSelection();
+	for (Diagram *d : diagrams_to_move) {
+		if (auto item = elements_panel->getItemForDiagram(d)) item->setSelected(true);
 	}
 }
 
@@ -378,21 +428,35 @@ void ElementsPanelWidget::updateButtons()
 		bool is_writable = !(elements_panel -> selectedProject() -> isReadOnly());
 		prj_add_diagram -> setEnabled(is_writable);
 	} else if (current_type == QET::Diagram) {
-		Diagram    *selected_diagram         = elements_panel -> selectedDiagram();
-		QETProject *selected_diagram_project = selected_diagram -> project();
+		// Fetch ALL selected diagrams instead of just one
+		QList<Diagram *> selected_diagrams = elements_panel -> selectedDiagrams();
 
+		if (!selected_diagrams.isEmpty()) {
+			QETProject *selected_diagram_project = selected_diagrams.first() -> project();
 			bool is_writable           = !(selected_diagram_project -> isReadOnly());
 			int project_diagrams_count = selected_diagram_project -> diagrams().count();
-		int diagram_position       = selected_diagram_project -> diagrams().indexOf(selected_diagram);
+
+			// Find the highest (min) and lowest (max) index among the selection
+			int min_position = project_diagrams_count;
+			int max_position = -1;
+
+			for (Diagram *diagram : selected_diagrams) {
+				int pos = selected_diagram_project -> diagrams().indexOf(diagram);
+				if (pos < min_position) min_position = pos;
+				if (pos > max_position) max_position = pos;
+			}
 
 			prj_del_diagram           -> setEnabled(is_writable);
-		prj_move_diagram_up   -> setEnabled(is_writable && diagram_position > 0);
-		prj_move_diagram_down -> setEnabled(is_writable && diagram_position < project_diagrams_count - 1);
-		prj_move_diagram_top   -> setEnabled(is_writable && diagram_position > 0);
-		prj_move_diagram_upx10   -> setEnabled(is_writable && diagram_position > 10);
-		prj_move_diagram_upx100   -> setEnabled(is_writable && diagram_position > 100);
-		prj_move_diagram_downx10 -> setEnabled(is_writable && diagram_position < project_diagrams_count - 10);
-		prj_move_diagram_downx100 -> setEnabled(is_writable && diagram_position < project_diagrams_count - 100);
+			prj_move_diagram_up       -> setEnabled(is_writable && min_position > 0);
+			prj_move_diagram_down     -> setEnabled(is_writable && max_position < project_diagrams_count - 1);
+			prj_move_diagram_top      -> setEnabled(is_writable && min_position > 0);
+
+			// Adjusted to >= to allow exactly 10 or 100 steps if space permits
+			prj_move_diagram_upx10    -> setEnabled(is_writable && min_position > 10);
+			prj_move_diagram_upx100   -> setEnabled(is_writable && min_position > 100);
+			prj_move_diagram_downx10  -> setEnabled(is_writable && max_position < project_diagrams_count - 10);
+			prj_move_diagram_downx100 -> setEnabled(is_writable && max_position < project_diagrams_count - 100);
+		}
 	} else if (current_type == QET::TitleBlockTemplatesCollection) {
 		TitleBlockTemplateLocation location = elements_panel -> templateLocationForItem(current_item);
 		tbt_add    -> setEnabled(!location.isReadOnly());
@@ -475,62 +539,57 @@ void ElementsPanelWidget::filterEdited(const QString &next_text) {
 }
 
 /**
-	Treat key press event inside elements panel widget
+ * Treat key press event inside elements panel widget
+ */
+/**
+ * Treat key press event inside elements panel widget.
+ * Respects the enabled/disabled state of the corresponding QActions.
  */
 void ElementsPanelWidget::keyPressEvent(QKeyEvent *e) {
 	switch(e->key()) {
-				case Qt::Key_Delete: //delete diagram through elements panel widget
-					if (Diagram *selected_diagram = elements_panel -> selectedDiagram()) {
-						emit(requestForDiagramDeletion(selected_diagram));
+		case Qt::Key_Delete:
+			if (prj_del_diagram && prj_del_diagram->isEnabled()) {
+				deleteDiagram();
 			}
 			break;
 		case Qt::Key_F3:
-					if (Diagram *selected_diagram = elements_panel -> selectedDiagram()) {
-						elements_panel->setSelectedItem(elements_panel->getItemForDiagram(selected_diagram));
-						emit(requestForDiagramMoveUp(selected_diagram));
+			if (prj_move_diagram_up && prj_move_diagram_up->isEnabled()) {
+				moveDiagramUp();
 			}
 			break;
 		case Qt::Key_F4:
-					if (Diagram *selected_diagram = elements_panel -> selectedDiagram()) {
-						elements_panel->setSelectedItem(elements_panel->getItemForDiagram(selected_diagram));
-						emit(requestForDiagramMoveDown(selected_diagram));
+			if (prj_move_diagram_down && prj_move_diagram_down->isEnabled()) {
+				moveDiagramDown();
 			}
 			break;
 		case Qt::Key_F5:
-					if (Diagram *selected_diagram = elements_panel -> selectedDiagram()) {
-						elements_panel->setSelectedItem(elements_panel->getItemForDiagram(selected_diagram));
-						emit(requestForDiagramMoveUpTop(selected_diagram));
+			if (prj_move_diagram_top && prj_move_diagram_top->isEnabled()) {
+				moveDiagramUpTop();
 			}
-					
 			break;
 		case Qt::Key_F6:
-					if (Diagram *selected_diagram = elements_panel -> selectedDiagram()) {
-						elements_panel->setSelectedItem(elements_panel->getItemForDiagram(selected_diagram));
-						emit(requestForDiagramMoveDownx10(selected_diagram));
+			if (prj_move_diagram_downx10 && prj_move_diagram_downx10->isEnabled()) {
+				moveDiagramDownx10();
 			}
-					
 			break;
 		case Qt::Key_F7:
-					if (Diagram *selected_diagram = elements_panel -> selectedDiagram()) {
-						elements_panel->setSelectedItem(elements_panel->getItemForDiagram(selected_diagram));
-						emit(requestForDiagramMoveDownx100(selected_diagram));
+			if (prj_move_diagram_downx100 && prj_move_diagram_downx100->isEnabled()) {
+				moveDiagramDownx100();
 			}
-					
-					
 			break;
 		case Qt::Key_F8:
-					if (Diagram *selected_diagram = elements_panel -> selectedDiagram()) {
-						elements_panel->setSelectedItem(elements_panel->getItemForDiagram(selected_diagram));
-						emit(requestForDiagramMoveUpx10(selected_diagram));
+			if (prj_move_diagram_upx10 && prj_move_diagram_upx10->isEnabled()) {
+				moveDiagramUpx10();
 			}
-					
 			break;
 		case Qt::Key_F9:
-					if (Diagram *selected_diagram = elements_panel -> selectedDiagram()) {
-						elements_panel->setSelectedItem(elements_panel->getItemForDiagram(selected_diagram));
-						emit(requestForDiagramMoveUpx100(selected_diagram));
+			if (prj_move_diagram_upx100 && prj_move_diagram_upx100->isEnabled()) {
+				moveDiagramUpx100();
 			}
 			break;
+		default:
+			// Pass unhandled key events to the base class
+			QWidget::keyPressEvent(e);
+			break;
 	}
-	return;
 }

sources/elementspanelwidget.h

@@ -69,13 +69,14 @@ class ElementsPanelWidget : public QWidget {
 	void requestForProjectPropertiesEdition(QETProject *);
 	void requestForDiagramPropertiesEdition(Diagram *);
 	void requestForDiagramDeletion(Diagram *);
-	void requestForDiagramMoveUp(Diagram *);
-	void requestForDiagramMoveDown(Diagram *);
-	void requestForDiagramMoveUpTop(Diagram *);
-	void requestForDiagramMoveUpx10(Diagram *);
-	void requestForDiagramMoveUpx100(Diagram *);
-	void requestForDiagramMoveDownx10(Diagram *);
-	void requestForDiagramMoveDownx100(Diagram *);
+	void requestForDiagramsDeletion(const QList<Diagram *> &diagrams);
+	void requestForDiagramMoveUp(const QList<Diagram *> &diagrams);
+	void requestForDiagramMoveDown(const QList<Diagram *> &diagrams);
+	void requestForDiagramMoveUpTop(const QList<Diagram *> &diagrams);
+	void requestForDiagramMoveUpx10(const QList<Diagram *> &diagrams);
+	void requestForDiagramMoveUpx100(const QList<Diagram *> &diagrams);
+	void requestForDiagramMoveDownx10(const QList<Diagram *> &diagrams);
+	void requestForDiagramMoveDownx100(const QList<Diagram *> &diagrams);
 	
 	public slots:
 	void openDirectoryForSelectedItem();

sources/projectview.cpp

@@ -364,11 +364,12 @@ QETResult ProjectView::noProjectResult() const
 }
 
 /**
-	@brief ProjectView::removeDiagram
-	Remove a diagram (folio) of the project
-	@param diagram_view : diagram view to remove
+ * @brief ProjectView::removeDiagram
+ * Remove a diagram (folio) of the project
+ * @param diagram_view : diagram view to remove
+ * @param silent : if true, bypasses the confirmation message box
  */
-void ProjectView::removeDiagram(DiagramView *diagram_view)
+void ProjectView::removeDiagram(DiagramView *diagram_view, bool silent)
 {
 	if (!diagram_view)
 		return;
@@ -377,7 +378,7 @@ void ProjectView::removeDiagram(DiagramView *diagram_view)
 	if (!m_diagram_ids.values().contains(diagram_view))
 		return;
 
-
+	if (!silent) {
 		//Ask confirmation to user.
 		int answer = QET::QetMessageBox::question(
 			this,
@@ -389,6 +390,7 @@ void ProjectView::removeDiagram(DiagramView *diagram_view)
 		if (answer != QMessageBox::Yes) {
 			return;
 		}
+	}
 
 	//Remove the diagram view of the tabs widget
 	int index_to_remove = m_diagram_ids.key(diagram_view);
@@ -405,14 +407,15 @@ void ProjectView::removeDiagram(DiagramView *diagram_view)
 }
 
 /**
-	Enleve un schema du ProjectView
-	@param diagram Schema a enlever
+ * Enleve un schema du ProjectView
+ * @param diagram Schema a enlever
+ * @param silent  Si vrai, supprime sans demander confirmation
  */
-void ProjectView::removeDiagram(Diagram *diagram) {
+void ProjectView::removeDiagram(Diagram *diagram, bool silent) {
 	if (!diagram) return;
 
 	if (DiagramView *diagram_view = findDiagram(diagram)) {
-		removeDiagram(diagram_view);
+		removeDiagram(diagram_view, silent);
 	}
 }
 
@@ -557,6 +560,56 @@ void ProjectView::moveDiagramUpx10(Diagram *diagram) {
 	moveDiagramUpx10(findDiagram(diagram));
 }
 
+/**
+ * @brief ProjectView::moveDiagramUpx100
+ * Moves the diagram_view up / left x100
+ * @param diagram_view View to move
+ */
+void ProjectView::moveDiagramUpx100(DiagramView *diagram_view) {
+	if (!diagram_view) return;
+
+	int diagram_view_position = m_diagram_ids.key(diagram_view);
+	if (!diagram_view_position) {
+		// The diagram is the first of the project
+		return;
+	}
+	m_tab->tabBar()->moveTab(diagram_view_position, diagram_view_position - 100);
+}
+
+/**
+ * @brief ProjectView::moveDiagramUpx100
+ * Moves the diagram up / left x100
+ * @param diagram Diagram to move
+ */
+void ProjectView::moveDiagramUpx100(Diagram *diagram) {
+	moveDiagramUpx100(findDiagram(diagram));
+}
+
+/**
+ * @brief ProjectView::moveDiagramDownx100
+ * Moves the diagram_view down / right x100
+ * @param diagram_view View to move
+ */
+void ProjectView::moveDiagramDownx100(DiagramView *diagram_view) {
+	if (!diagram_view) return;
+
+	int diagram_view_position = m_diagram_ids.key(diagram_view);
+	if (diagram_view_position + 1 == m_diagram_ids.count()) {
+		// The diagram is the last of the project
+		return;
+	}
+	m_tab->tabBar()->moveTab(diagram_view_position, diagram_view_position + 100);
+}
+
+/**
+ * @brief ProjectView::moveDiagramDownx100
+ * Moves the diagram down / right x100
+ * @param diagram Diagram to move
+ */
+void ProjectView::moveDiagramDownx100(Diagram *diagram) {
+	moveDiagramDownx100(findDiagram(diagram));
+}
+
 /**
 	Deplace le schema diagram_view vers le bas / la droite x10
 */

sources/projectview.h

@@ -104,8 +104,8 @@ class ProjectView : public QWidget
 		void changeLastTab();
 
 	public slots:
-		void removeDiagram(DiagramView *);
-		void removeDiagram(Diagram *);
+		void removeDiagram(DiagramView *diagram_view, bool silent = false);
+		void removeDiagram(Diagram *diagram, bool silent = false);
 		void showDiagram(DiagramView *);
 		void showDiagram(Diagram *);
 		void editProjectProperties();
@@ -122,6 +122,10 @@ class ProjectView : public QWidget
 		void moveDiagramUpx10(Diagram *);
 		void moveDiagramDownx10(DiagramView *);
 		void moveDiagramDownx10(Diagram *);
+		void moveDiagramUpx100(DiagramView *);
+		void moveDiagramUpx100(Diagram *);
+		void moveDiagramDownx100(DiagramView *);
+		void moveDiagramDownx100(Diagram *);
 		void exportProject();
 		QETResult save();
 		QETResult saveAs();

sources/qetdiagrameditor.cpp

@@ -16,7 +16,7 @@
 	along with QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
 */
 #include "qetdiagrameditor.h"
-
+#include <QCoreApplication>
 #include "ElementsCollection/elementscollectionwidget.h"
 #include "QWidgetAnimation/qwidgetanimation.h"
 #include "autoNum/ui/autonumberingdockwidget.h"
@@ -47,7 +47,7 @@
 #include "TerminalStrip/ui/addterminalstripitemdialog.h"
 #include "wiringlistexport.h"
 #include "ui/terminalnumberingdialog.h"
-
+#include <QDebug>
 #ifdef BUILD_WITHOUT_KF5
 #else
 #	include <KAutoSaveFile>
@@ -176,12 +176,14 @@ void QETDiagramEditor::setUpElementsPanel()
 	connect(pa, SIGNAL(requestForProjectPropertiesEdition (QETProject *)), this, SLOT(editProjectProperties(QETProject *)));
 	connect(pa, SIGNAL(requestForNewDiagram               (QETProject *)), this, SLOT(addDiagramToProject(QETProject *)));
 	connect(pa, SIGNAL(requestForDiagramPropertiesEdition (Diagram *)), this, SLOT(editDiagramProperties(Diagram *)));
-	connect(pa, SIGNAL(requestForDiagramDeletion          (Diagram *)), this, SLOT(removeDiagram(Diagram *)));
-	connect(pa, SIGNAL(requestForDiagramMoveUp            (Diagram *)), this, SLOT(moveDiagramUp(Diagram *)));
-	connect(pa, SIGNAL(requestForDiagramMoveDown          (Diagram *)), this, SLOT(moveDiagramDown(Diagram *)));
-	connect(pa, SIGNAL(requestForDiagramMoveUpTop         (Diagram *)), this, SLOT(moveDiagramUpTop(Diagram *)));
-	connect(pa, SIGNAL(requestForDiagramMoveUpx10         (Diagram *)), this, SLOT(moveDiagramUpx10(Diagram *)));
-	connect(pa, SIGNAL(requestForDiagramMoveDownx10       (Diagram *)), this, SLOT(moveDiagramDownx10(Diagram *)));
+	connect(pa, SIGNAL(requestForDiagramsDeletion         (const QList<Diagram *> &)), this, SLOT(removeDiagrams(const QList<Diagram *> &)));
+	connect(pa, SIGNAL(requestForDiagramMoveUp			  (const QList<Diagram *> &)), this, SLOT(moveDiagramUp(const QList<Diagram *>&)));
+	connect(pa, SIGNAL(requestForDiagramMoveDown		  (const QList<Diagram *> &)), this, SLOT(moveDiagramDown(const QList<Diagram *>&)));
+	connect(pa, SIGNAL(requestForDiagramMoveUpTop		  (const QList<Diagram *> &)), this, SLOT(moveDiagramUpTop(const QList<Diagram *>&)));
+	connect(pa, SIGNAL(requestForDiagramMoveUpx10		  (const QList<Diagram *> &)), this, SLOT(moveDiagramUpx10(const QList<Diagram *>&)));
+	connect(pa, SIGNAL(requestForDiagramMoveDownx10		  (const QList<Diagram *> &)), this, SLOT(moveDiagramDownx10(const QList<Diagram *>&)));
+	connect(pa, SIGNAL(requestForDiagramMoveUpx100		  (const QList<Diagram *> &)), this, SLOT(moveDiagramUpx100(const QList<Diagram *>&)));
+	connect(pa, SIGNAL(requestForDiagramMoveDownx100	  (const QList<Diagram *> &)), this, SLOT(moveDiagramDownx100(const QList<Diagram *>&)));
 }
 
 /**
@@ -2183,126 +2185,182 @@ void QETDiagramEditor::addDiagramToProject(QETProject *project)
 		project_view->project()->addNewDiagram();
 	}
 }
+/**
+ * @brief QETDiagramEditor::removeDiagram
+ * Wrapper für einzelne Diagramme, um Abwärtskompatibilität zu erhalten.
+ */
+void QETDiagramEditor::removeDiagram(Diagram *diagram)
+{
+	if (!diagram) return;
+	QList<Diagram *> list;
+	list << diagram;
+	removeDiagrams(list);
+}
+
+/**
+ * @brief QETDiagramEditor::removeDiagrams
+ * Deletes a list of folios with a single query.
+ */
+void QETDiagramEditor::removeDiagrams(const QList<Diagram *> &diagrams)
+{
+	if (diagrams.isEmpty()) return;
+
+	if (diagrams.count() == 1) {
+		QMessageBox::StandardButton reply;
+		reply = QMessageBox::question(this, tr("Supprimer le folio"),
+									  tr("Êtes-vous sûr de vouloir supprimer ce folio ?"),
+									  QMessageBox::Yes | QMessageBox::No);
+		if (reply == QMessageBox::No) return;
+	} else {
+		QMessageBox::StandardButton reply;
+		reply = QMessageBox::question(this, tr("Supprimer les folios"),
+									  tr("Êtes-vous sûr de vouloir supprimer les %1 folios sélectionnés ?").arg(diagrams.count()),
+									  QMessageBox::Yes | QMessageBox::No);
+		if (reply == QMessageBox::No) return;
+	}
+
+	ProjectView *project_view = nullptr;
+	if (QETProject *diagram_project = diagrams.first()->project()) {
+		project_view = findProject(diagram_project);
+	}
+
+	if (project_view) project_view->setUpdatesEnabled(false);
+	if (pa) pa->setUpdatesEnabled(false);
+
+	foreach (Diagram *diagram, diagrams) {
+		removeDiagramSilent(diagram);
+	}
+
+	if (pa) pa->setUpdatesEnabled(true);
+	if (project_view) project_view->setUpdatesEnabled(true);
+
+	emit syncElementsPanel();
+}
 
 /**
 	Supprime un schema de son projet
 	@param diagram Schema a supprimer
 */
-void QETDiagramEditor::removeDiagram(Diagram *diagram)
+void QETDiagramEditor::removeDiagramSilent(Diagram *diagram)
 {
 	if (!diagram) return;
 
-	// recupere le projet contenant le schema
 	if (QETProject *diagram_project = diagram -> project()) {
-		// recupere la vue sur ce projet
 		if (ProjectView *project_view = findProject(diagram_project)) {
 
-			// affiche le schema en question
-			project_view -> showDiagram(diagram);
-
 			// supprime le schema
-			project_view -> removeDiagram(diagram);
+			project_view -> removeDiagram(diagram, true);
 		}
 	}
 }
-
-/**
-	Change l'ordre des schemas d'un projet, en decalant le schema vers le haut /
-	la gauche
-	@param diagram Schema a decaler vers le haut / la gauche
-*/
-void QETDiagramEditor::moveDiagramUp(Diagram *diagram)
-{
-	if (!diagram) return;
-
-	// recupere le projet contenant le schema
-	if (QETProject *diagram_project = diagram -> project()) {
-		if (diagram_project -> isReadOnly()) return;
-
-		// recupere la vue sur ce projet
+void QETDiagramEditor::moveDiagramUp(const QList<Diagram *> &diagrams) {
+	if (diagrams.isEmpty()) return;
+	QList<Diagram *> safeDiagrams = diagrams;
+	if (QETProject *diagram_project = safeDiagrams.first()->project()) {
+		if (!diagram_project->isReadOnly()) {
 			if (ProjectView *project_view = findProject(diagram_project)) {
-			project_view -> moveDiagramUp(diagram);
+				// Forward loop for moving up
+				for (int i = 0; i < safeDiagrams.size(); ++i) {
+					project_view->moveDiagramUp(safeDiagrams.at(i));
+					QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
+				}
+			}
 		}
 	}
 }
 
-/**
-	Change l'ordre des schemas d'un projet, en decalant le schema vers le bas /
-	la droite
-	@param diagram Schema a decaler vers le bas / la droite
-*/
-void QETDiagramEditor::moveDiagramDown(Diagram *diagram)
-{
-	if (!diagram) return;
-
-	// recupere le projet contenant le schema
-	if (QETProject *diagram_project = diagram -> project()) {
-		if (diagram_project -> isReadOnly()) return;
-
-		// recupere la vue sur ce projet
+void QETDiagramEditor::moveDiagramDown(const QList<Diagram *> &diagrams) {
+	if (diagrams.isEmpty()) return;
+	QList<Diagram *> safeDiagrams = diagrams;
+	if (QETProject *diagram_project = safeDiagrams.first()->project()) {
+		if (!diagram_project->isReadOnly()) {
 			if (ProjectView *project_view = findProject(diagram_project)) {
-			project_view -> moveDiagramDown(diagram);
+				// Backward loop for moving down
+				for (int i = safeDiagrams.size() - 1; i >= 0; --i) {
+					project_view->moveDiagramDown(safeDiagrams.at(i));
+					QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
+				}
+			}
 		}
 	}
 }
 
-/**
-	Change l'ordre des schemas d'un projet, en decalant le schema vers le haut /
-	la gauche en position 0
-	@param diagram Schema a decaler vers le haut / la gauche en position 0
-*/
-void QETDiagramEditor::moveDiagramUpTop(Diagram *diagram)
-{
-	if (!diagram) return;
-
-	// recupere le projet contenant le schema
-	if (QETProject *diagram_project = diagram -> project()) {
-		if (diagram_project -> isReadOnly()) return;
-
-		// recupere la vue sur ce projet
+void QETDiagramEditor::moveDiagramUpTop(const QList<Diagram *> &diagrams) {
+	if (diagrams.isEmpty()) return;
+	QList<Diagram *> safeDiagrams = diagrams;
+	if (QETProject *diagram_project = safeDiagrams.first()->project()) {
+		if (!diagram_project->isReadOnly()) {
 			if (ProjectView *project_view = findProject(diagram_project)) {
-			project_view -> moveDiagramUpTop(diagram);
+				// Backward loop to preserve relative order of the selected items when moving to top
+				for (int i = safeDiagrams.size() - 1; i >= 0; --i) {
+					project_view->moveDiagramUpTop(safeDiagrams.at(i));
+					QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
+				}
+			}
 		}
 	}
 }
 
-
-/**
-	Change l'ordre des schemas d'un projet, en decalant le schema vers le haut /
-	la gauche x10
-	@param diagram Schema a decaler vers le haut / la gauche x10
-*/
-void QETDiagramEditor::moveDiagramUpx10(Diagram *diagram)
-{
-	if (!diagram) return;
-
-	// recupere le projet contenant le schema
-	if (QETProject *diagram_project = diagram -> project()) {
-		if (diagram_project -> isReadOnly()) return;
-
-		// recupere la vue sur ce projet
+void QETDiagramEditor::moveDiagramUpx10(const QList<Diagram *> &diagrams) {
+	if (diagrams.isEmpty()) return;
+	QList<Diagram *> safeDiagrams = diagrams;
+	if (QETProject *diagram_project = safeDiagrams.first()->project()) {
+		if (!diagram_project->isReadOnly()) {
 			if (ProjectView *project_view = findProject(diagram_project)) {
-			project_view -> moveDiagramUpx10(diagram);
+				// Forward loop for moving up
+				for (int i = 0; i < safeDiagrams.size(); ++i) {
+					project_view->moveDiagramUpx10(safeDiagrams.at(i));
+					QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
+				}
+			}
 		}
 	}
 }
 
-/**
-	Change l'ordre des schemas d'un projet, en decalant le schema vers le bas /
-	la droite x10
-	@param diagram Schema a decaler vers le bas / la droite x10
-*/
-void QETDiagramEditor::moveDiagramDownx10(Diagram *diagram)
-{
-	if (!diagram) return;
-
-	// recupere le projet contenant le schema
-	if (QETProject *diagram_project = diagram -> project()) {
-		if (diagram_project -> isReadOnly()) return;
-
-		// recupere la vue sur ce projet
+void QETDiagramEditor::moveDiagramDownx10(const QList<Diagram *> &diagrams) {
+	if (diagrams.isEmpty()) return;
+	QList<Diagram *> safeDiagrams = diagrams;
+	if (QETProject *diagram_project = safeDiagrams.first()->project()) {
+		if (!diagram_project->isReadOnly()) {
 			if (ProjectView *project_view = findProject(diagram_project)) {
-			project_view -> moveDiagramDownx10(diagram);
+				// Backward loop for moving down
+				for (int i = safeDiagrams.size() - 1; i >= 0; --i) {
+					project_view->moveDiagramDownx10(safeDiagrams.at(i));
+					QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
+				}
+			}
+		}
+	}
+}
+
+void QETDiagramEditor::moveDiagramUpx100(const QList<Diagram *> &diagrams) {
+	if (diagrams.isEmpty()) return;
+	QList<Diagram *> safeDiagrams = diagrams;
+	if (QETProject *diagram_project = safeDiagrams.first()->project()) {
+		if (!diagram_project->isReadOnly()) {
+			if (ProjectView *project_view = findProject(diagram_project)) {
+				// Forward loop for moving up
+				for (int i = 0; i < safeDiagrams.size(); ++i) {
+					project_view->moveDiagramUpx100(safeDiagrams.at(i));
+					QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
+				}
+			}
+		}
+	}
+}
+
+void QETDiagramEditor::moveDiagramDownx100(const QList<Diagram *> &diagrams) {
+	if (diagrams.isEmpty()) return;
+	QList<Diagram *> safeDiagrams = diagrams;
+	if (QETProject *diagram_project = safeDiagrams.first()->project()) {
+		if (!diagram_project->isReadOnly()) {
+			if (ProjectView *project_view = findProject(diagram_project)) {
+				// Backward loop for moving down
+				for (int i = safeDiagrams.size() - 1; i >= 0; --i) {
+					project_view->moveDiagramDownx100(safeDiagrams.at(i));
+					QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
+				}
+			}
 		}
 	}
 }

sources/qetdiagrameditor.h

@@ -138,12 +138,15 @@ class QETDiagramEditor : public QETMainWindow
 		void editDiagramProperties(Diagram *);
 		void addDiagramToProject(QETProject *);
 		void removeDiagram(Diagram *);
+		void removeDiagrams(const QList<Diagram *> &diagrams);
 		void removeDiagramFromProject();
-		void moveDiagramUp(Diagram *);
-		void moveDiagramDown(Diagram *);
-		void moveDiagramUpTop(Diagram *);
-		void moveDiagramUpx10(Diagram *);
-		void moveDiagramDownx10(Diagram *);
+		void moveDiagramUp(const QList<Diagram *> &diagrams);
+		void moveDiagramDown(const QList<Diagram *> &diagrams);
+		void moveDiagramUpTop(const QList<Diagram *> &diagrams);
+		void moveDiagramUpx10(const QList<Diagram *> &diagrams);
+		void moveDiagramDownx10(const QList<Diagram *> &diagrams);
+		void moveDiagramUpx100(const QList<Diagram *> &diagrams);
+		void moveDiagramDownx100(const QList<Diagram *> &diagrams);
 		void reloadOldElementPanel();
 		void diagramWasAdded(DiagramView *);
 		void findElementInPanel(const ElementsLocation &);
@@ -222,6 +225,8 @@ class QETDiagramEditor : public QETMainWindow
 
 		QList <QAction *> m_zoom_action_toolBar; ///Only zoom action must displayed in the toolbar
 
+		void removeDiagramSilent(Diagram *diagram);
+
 		QMdiArea m_workspace;
 		QSignalMapper windowMapper;
 		QDir open_dialog_dir; /// Directory to use for file dialogs such as File > save