Centralize legacy new document bridge

src/legacy_document_session_services.cpp

@@ -3,10 +3,74 @@
 #include "legacy_document_session_services.h"
 
 #include "app.h"
+#include "legacy_history_services.h"
+#include "node_dialog_open.h"
+
+#include <utility>
 
 namespace pp::panopainter {
 namespace {
 
+void create_legacy_new_document(
+    App& app,
+    const pp::app::NewDocumentPlan& plan,
+    const std::shared_ptr<NodeDialogNewDoc>& dialog)
+{
+    app.doc_name = plan.target.name;
+    app.doc_path = plan.target.path;
+    app.doc_filename = plan.target.name + ".ppi";
+    app.doc_dir = plan.target.directory;
+
+    app.layers->clear();
+    app.canvas->m_canvas->m_layers.clear();
+    app.canvas->m_canvas->resize(plan.resolution, plan.resolution);
+    app.canvas->reset_camera();
+    pp::panopainter::clear_legacy_history();
+
+    app.layers->add_layer("Default", false, true);
+
+    app.canvas->m_canvas->m_unsaved = true;
+    app.canvas->m_canvas->m_newdoc = false;
+    app.title_update();
+
+    dialog->destroy();
+    App::I->hideKeyboard();
+}
+
+class LegacyNewDocumentServices final : public pp::app::NewDocumentServices {
+public:
+    LegacyNewDocumentServices(App& app, std::shared_ptr<NodeDialogNewDoc> dialog) noexcept
+        : app_(app)
+        , dialog_(std::move(dialog))
+    {
+    }
+
+    void create_new_document(const pp::app::NewDocumentPlan& plan) override
+    {
+        create_legacy_new_document(app_, plan, dialog_);
+    }
+
+    void prompt_overwrite_new_document(const pp::app::NewDocumentPlan& plan) override
+    {
+        auto msgbox = new NodeMessageBox();
+        msgbox->set_manager(&app_.layout);
+        msgbox->init();
+        msgbox->m_title->set_text("Warning");
+        msgbox->m_message->set_text("A document with this name already exists, continue?");
+        auto* app = &app_;
+        auto dialog = dialog_;
+        msgbox->btn_ok->on_click = [app, msgbox, dialog, plan](Node*) {
+            create_legacy_new_document(*app, plan, dialog);
+            msgbox->destroy();
+        };
+        app_.layout[app_.main_id]->add_child(msgbox);
+    }
+
+private:
+    App& app_;
+    std::shared_ptr<NodeDialogNewDoc> dialog_;
+};
+
 class LegacyCloseRequestServices final : public pp::app::CloseRequestServices {
 public:
     LegacyCloseRequestServices(App& app, bool& dialog_already_opened) noexcept
@@ -140,4 +204,13 @@ pp::foundation::Status execute_legacy_document_workflow_decision(
     return pp::app::execute_document_workflow_decision(decision, services);
 }
 
+pp::foundation::Status execute_legacy_new_document_plan(
+    App& app,
+    const pp::app::NewDocumentPlan& plan,
+    std::shared_ptr<NodeDialogNewDoc> dialog)
+{
+    LegacyNewDocumentServices services(app, std::move(dialog));
+    return pp::app::execute_new_document_plan(plan, services);
+}
+
 } // namespace pp::panopainter