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/window/mainwindow/mainwindow.cpp

@@ -156,7 +156,7 @@ MainWindowLayoutInfo MainWindow::SaveLayout() const
 
   foreach (TimelinePanel* panel, timeline_panels_) {
     if (panel->GetConnectedViewer()) {
-      info.add_sequence({static_cast<Sequence*>(panel->GetConnectedViewer()->parent()),
+      info.add_sequence({static_cast<Sequence*>(panel->GetConnectedViewer()),
                          panel->SaveSplitterState()});
     }
   }
@@ -170,7 +170,7 @@ TimelinePanel* MainWindow::OpenSequence(Sequence *sequence, bool enable_focus)
 {
   // See if this sequence is already open, and switch to it if so
   foreach (TimelinePanel* tl, timeline_panels_) {
-    if (tl->GetConnectedViewer() == sequence->viewer_output()) {
+    if (tl->GetConnectedViewer() == sequence) {
       tl->raise();
       return tl;
     }
@@ -186,10 +186,10 @@ TimelinePanel* MainWindow::OpenSequence(Sequence *sequence, bool enable_focus)
     enable_focus = false;
   }
 
-  panel->ConnectViewerNode(sequence->viewer_output());
+  panel->ConnectViewerNode(sequence);
 
   if (enable_focus) {
-    TimelineFocused(sequence->viewer_output());
+    TimelineFocused(sequence);
   }
 
   return panel;
@@ -202,7 +202,7 @@ void MainWindow::CloseSequence(Sequence *sequence)
   QList<TimelinePanel*> copy = timeline_panels_;
 
   foreach (TimelinePanel* tp, copy) {
-    if (tp->GetConnectedViewer() == sequence->viewer_output()) {
+    if (tp->GetConnectedViewer() == sequence) {
       RemoveTimelinePanel(tp);
     }
   }
@@ -211,7 +211,7 @@ void MainWindow::CloseSequence(Sequence *sequence)
 bool MainWindow::IsSequenceOpen(Sequence *sequence) const
 {
   foreach (TimelinePanel* tp, timeline_panels_) {
-    if (tp->GetConnectedViewer() == sequence->viewer_output()) {
+    if (tp->GetConnectedViewer() == sequence) {
       return true;
     }
   }
@@ -219,7 +219,7 @@ bool MainWindow::IsSequenceOpen(Sequence *sequence) const
   return false;
 }
 
-void MainWindow::FolderOpen(Project* p, Item *i, bool floating)
+void MainWindow::FolderOpen(Project* p, Folder *i, bool floating)
 {
   ProjectPanel* panel = PanelManager::instance()->CreatePanel<ProjectPanel>(this);
 
@@ -329,29 +329,23 @@ void MainWindow::ProjectOpen(Project *p)
 void MainWindow::ProjectClose(Project *p)
 {
   // Close any open sequences from project
-  QVector<Item*> open_sequences = p->get_items_of_type(Item::kSequence);
-
-  foreach (Item* item, open_sequences) {
-    Sequence* seq = static_cast<Sequence*>(item);
+  QVector<Sequence*> open_sequences = p->root()->ListOutputsOfType<Sequence>();
 
+  foreach (Sequence* seq, open_sequences) {
     if (IsSequenceOpen(seq)) {
       CloseSequence(seq);
     }
   }
 
   // Close any open footage in footage viewer
-  QVector<Item*> footage = p->get_items_of_type(Item::kFootage);
+  QVector<Footage*> footage_in_project = p->root()->ListOutputsOfType<Footage>();
   QVector<Footage*> footage_in_viewer = footage_viewer_panel_->GetSelectedFootage();
 
   if (!footage_in_viewer.isEmpty()) {
-    // FootageViewer only has the one footage item
-    Footage* f = footage_in_viewer.first();
-
-    foreach (Item* i, footage) {
-      if (f == i) {
-        footage_viewer_panel_->SetFootage(nullptr);
-        break;
-      }
+    // FootageViewer only has the one footage item, check if it's in the project in which case
+    // we'll close it
+    if (footage_in_project.contains(footage_in_viewer.first())) {
+      footage_viewer_panel_->SetFootage(nullptr);
     }
   }
 
@@ -547,19 +541,12 @@ void MainWindow::RemoveProjectPanel(ProjectPanel *panel)
   }
 }
 
-void MainWindow::TimelineFocused(ViewerOutput* viewer)
+void MainWindow::TimelineFocused(Sequence* viewer)
 {
   sequence_viewer_panel_->ConnectViewerNode(viewer);
   param_panel_->ConnectViewerNode(viewer);
   curve_panel_->ConnectViewerNode(viewer);
-
-  Sequence* seq = nullptr;
-
-  if (viewer) {
-    seq = static_cast<Sequence*>(viewer->parent());
-  }
-
-  node_panel_->SetGraph(seq);
+  node_panel_->SetGraph(viewer ? viewer->parent() : nullptr);
 }
 
 void MainWindow::FocusedPanelChanged(PanelWidget *panel)

app/window/mainwindow/mainwindow.h

@@ -67,7 +67,7 @@ public:
 
   bool IsSequenceOpen(Sequence* sequence) const;
 
-  void FolderOpen(Project* p, Item* i, bool floating);
+  void FolderOpen(Project* p, Folder *i, bool floating);
 
   ScopePanel* AppendScopePanel();
 
@@ -130,7 +130,7 @@ private:
 
   void RemoveProjectPanel(ProjectPanel* panel);
 
-  void TimelineFocused(ViewerOutput *viewer);
+  void TimelineFocused(Sequence *viewer);
 
   QByteArray premaximized_state_;