implement entire project in nodes

Project items are now represented directly in nodes opening up more versatility and possibilities. This is the first iteration of this and will be buggy. Need to test thoroughly.

app/core.cpp

@@ -351,12 +351,10 @@ void Core::DialogProjectPropertiesShow()
 
 void Core::DialogExportShow()
 {
-  ViewerOutput* viewer = GetSequenceToExport();
+  Sequence* viewer = GetSequenceToExport();
 
   if (viewer) {
-    Sequence* sequence = dynamic_cast<Sequence*>(viewer->parent());
-
-    ExportDialog* ed = new ExportDialog(viewer, sequence, main_window_);
+    ExportDialog* ed = new ExportDialog(viewer, main_window_);
     connect(ed, &ExportDialog::finished, ed, &ExportDialog::deleteLater);
     ed->open();
   }
@@ -381,14 +379,15 @@ void Core::CreateNewFolder()
   Folder* new_folder = new Folder();
 
   // Set a default name
-  new_folder->set_name(tr("New Folder"));
+  new_folder->SetLabel(tr("New Folder"));
 
   // Create an undoable command
-  ProjectViewModel::AddItemCommand* aic = new ProjectViewModel::AddItemCommand(active_project_panel->model(),
-                                                                               folder,
-                                                                               new_folder);
+  MultiUndoCommand* command = new MultiUndoCommand();
 
-  Core::instance()->undo_stack()->push(aic);
+  command->add_child(new NodeAddCommand(active_project, new_folder));
+  command->add_child(new NodeEdgeAddCommand(folder, NodeInput(new_folder, Item::kParentInput)));
+
+  Core::instance()->undo_stack()->push(command);
 
   // Trigger an automatic rename so users can enter the folder name
   active_project_panel->Edit(new_folder);
@@ -418,13 +417,15 @@ void Core::CreateNewSequence()
   if (sd.exec() == QDialog::Accepted) {
 
     // Create an undoable command
-    ProjectViewModel::AddItemCommand* aic = new ProjectViewModel::AddItemCommand(GetActiveProjectModel(),
-                                                                                 GetSelectedFolderInActiveProject(),
-                                                                                 new_sequence);
+    MultiUndoCommand* command = new MultiUndoCommand();
 
-    new_sequence->add_default_nodes();
+    command->add_child(new NodeAddCommand(active_project, new_sequence));
+    command->add_child(new NodeEdgeAddCommand(GetSelectedFolderInActiveProject(), NodeInput(new_sequence, Item::kParentInput)));
 
-    Core::instance()->undo_stack()->push(aic);
+    // Create and connect default nodes to new sequence
+    new_sequence->add_default_nodes(command);
+
+    Core::instance()->undo_stack()->push(command);
 
     Core::instance()->main_window()->OpenSequence(new_sequence);
 
@@ -543,6 +544,7 @@ bool Core::StartHeadlessExport()
   ProjectLoadTask plm(startup_project);
   CLITaskDialog task_dialog(&plm);
 
+  /*
   if (task_dialog.Run()) {
     std::unique_ptr<Project> p = std::unique_ptr<Project>(plm.GetLoadedProject());
     QVector<Item*> items = p->get_items_of_type(Item::kSequence);
@@ -559,7 +561,7 @@ bool Core::StartHeadlessExport()
     if (items.size() > 1) {
       qInfo().noquote() << tr("This project has multiple sequences. Which do you wish to export?");
       for (int i=0;i<items.size();i++) {
-        std::cout << "[" << i << "] " << items.at(i)->name().toStdString();
+        std::cout << "[" << i << "] " << items.at(i)->GetLabel().toStdString();
       }
 
       QTextStream stream(stdin);
@@ -605,6 +607,11 @@ bool Core::StartHeadlessExport()
     qCritical().noquote() << tr("Project failed to load: %1").arg(plm.GetError());
     return false;
   }
+  */
+
+
+
+  return false;
 }
 
 void Core::OpenStartupProject()
@@ -720,7 +727,7 @@ void Core::SaveProjectInternal(Project* project)
   task_dialog->open();
 }
 
-ViewerOutput *Core::GetSequenceToExport()
+Sequence *Core::GetSequenceToExport()
 {
   // First try the most recently focused time based window
   TimeBasedPanel* time_panel = PanelManager::instance()->MostRecentlyFocused<TimeBasedPanel>();
@@ -1064,7 +1071,7 @@ void Core::SetPreferenceForRenderMode(RenderMode::Mode mode, const QString &pref
   Config::Current()[GetRenderModePreferencePrefix(mode, preference)] = value;
 }
 
-void Core::LabelNodes(const QVector<Node *> &nodes) const
+void Core::LabelNodes(const QVector<Node *> &nodes)
 {
   if (nodes.isEmpty()) {
     return;
@@ -1090,9 +1097,13 @@ void Core::LabelNodes(const QVector<Node *> &nodes) const
                                     &ok);
 
   if (ok) {
+    NodeRenameCommand* rename_command = new NodeRenameCommand();
+
     foreach (Node* n, nodes) {
-      n->SetLabel(s);
+      rename_command->AddNode(n, s);
     }
+
+    undo_stack_.push(rename_command);
   }
 }
 
@@ -1107,7 +1118,7 @@ Sequence *Core::CreateNewSequenceForProject(Project* project) const
     sequence_name = tr("Sequence %1").arg(sequence_number);
     sequence_number++;
   } while (project->root()->ChildExistsWithName(sequence_name));
-  new_sequence->set_name(sequence_name);
+  new_sequence->SetLabel(sequence_name);
 
   return new_sequence;
 }
@@ -1291,13 +1302,10 @@ void Core::CacheActiveSequence(bool in_out_only)
 
 bool Core::ValidateFootageInLoadedProject(Project* project, const QString& project_saved_url)
 {
+  QVector<Footage*> project_footage = project->root()->ListOutputsOfType<Footage>();
   QVector<Footage*> footage_we_couldnt_validate;
 
-  QVector<Item*> project_footage = project->get_items_of_type(Item::kFootage);
-
-  foreach (Item* item, project_footage) {
-    Footage* footage = static_cast<Footage*>(item);
-
+  foreach (Footage* footage, project_footage) {
     if (!QFileInfo::exists(footage->filename()) && !project_saved_url.isEmpty()) {
       // If the footage doesn't exist, it might have moved with the project
       const QString& project_current_url = project->filename();