ModelEditor: Implement shared clipboard between all open model-editors

Change-Id: Id2eb6f78f8aa1a698a49d35db6cfceab14a38e0b
Reviewed-by: Tobias Hunger <tobias.hunger@qt.io>

1 files changed, 62 insertions, 0 deletions

diff --git a/src/plugins/modeleditor/modelsmanager.cpp b/src/plugins/modeleditor/modelsmanager.cpp
index 89d691ddc6..683006817d 100644
--- a/src/plugins/modeleditor/modelsmanager.cpp
+++ b/src/plugins/modeleditor/modelsmanager.cpp
@@ -34,10 +34,14 @@
 #include "pxnodecontroller.h"
 
 #include "qmt/config/configcontroller.h"
+#include "qmt/diagram_controller/dcontainer.h"
+#include "qmt/diagram_controller/dreferences.h"
 #include "qmt/diagram_scene/diagramscenemodel.h"
 #include "qmt/diagram_ui/diagramsmanager.h"
 #include "qmt/model/mdiagram.h"
 #include "qmt/model_controller/modelcontroller.h"
+#include "qmt/model_controller/mcontainer.h"
+#include "qmt/model_controller/mreferences.h"
 #include "qmt/project_controller/projectcontroller.h"
 #include "qmt/project/project.h"
 #include "qmt/stereotype/stereotypecontroller.h"
@@ -91,6 +95,11 @@ public:
     ModelIndexer *modelIndexer = nullptr;
     QList<Core::IDocument *> documentsToBeClosed;
 
+    ExtDocumentController *modelClipboardDocumentController = nullptr;
+    qmt::MContainer modelClipboard;
+    ExtDocumentController *diagramClipboardDocumentController = nullptr;
+    qmt::DContainer diagramClipboard;
+
     QAction *openDiagramContextMenuItem = nullptr;
     ProjectExplorer::Node *contextMenuOwnerNode = nullptr;
 };
@@ -142,6 +151,10 @@ ExtDocumentController *ModelsManager::createModel(ModelDocument *modelDocument)
 
 void ModelsManager::releaseModel(ExtDocumentController *documentController)
 {
+    if (documentController == d->modelClipboardDocumentController)
+        d->modelClipboardDocumentController = nullptr;
+    if (documentController == d->diagramClipboardDocumentController)
+        d->diagramClipboardDocumentController = nullptr;
     for (int i = 0; i < d->managedModels.size(); ++i) {
         ManagedModel *managedModel = &d->managedModels[i];
         if (managedModel->m_documentController == documentController) {
@@ -165,6 +178,55 @@ void ModelsManager::openDiagram(const qmt::Uid &modelUid, const qmt::Uid &diagra
     }
 }
 
+bool ModelsManager::isModelClipboardEmpty() const
+{
+    return d->modelClipboard.isEmpty();
+}
+
+ExtDocumentController *ModelsManager::modelClipboardDocumentController() const
+{
+    return d->modelClipboardDocumentController;
+}
+
+qmt::MReferences ModelsManager::modelClipboard() const
+{
+    qmt::MReferences clipboard;
+    clipboard.setElements(d->modelClipboard.elements());
+    return clipboard;
+}
+
+void ModelsManager::setModelClipboard(ExtDocumentController *documentController, const qmt::MContainer &container)
+{
+    d->modelClipboardDocumentController = documentController;
+    d->modelClipboard = container;
+    emit modelClipboardChanged(isModelClipboardEmpty());
+}
+
+bool ModelsManager::isDiagramClipboardEmpty() const
+{
+    return d->diagramClipboard.isEmpty();
+}
+
+ExtDocumentController *ModelsManager::diagramClipboardDocumentController() const
+{
+    return d->diagramClipboardDocumentController;
+}
+
+qmt::DReferences ModelsManager::diagramClipboard() const
+{
+    qmt::DReferences clipboard;
+    clipboard.setElements(d->diagramClipboard.elements());
+    return clipboard;
+}
+
+void ModelsManager::setDiagramClipboard(ExtDocumentController *documentController, const qmt::DContainer &dcontainer, const qmt::MContainer &mcontainer)
+{
+    setModelClipboard(documentController, mcontainer);
+    d->diagramClipboardDocumentController = documentController;
+    d->diagramClipboard = dcontainer;
+    emit diagramClipboardChanged(isDiagramClipboardEmpty());
+}
+
 void ModelsManager::onAboutToShowContextMenu(ProjectExplorer::Project *project,
                                              ProjectExplorer::Node *node)
 {