Asset browser updated - drag and drop concept implemented, double clicking on folder in content window will open the folder

src/run_modes/editor/panels/asset_browser.cpp

@@ -19,7 +19,7 @@ namespace editor
 {
     AssetBrowser::AssetBrowser(std::filesystem::path dir, Editor* pEditor)
         : Panel("Asset Browser", gui::PanelDockZone::DDZ_BOTTOM, true),  
-            mAssetDirectory(dir), mTreeRoot(nullptr), mSelectedNode(nullptr), mpEditor(pEditor)
+            mAssetDirectory(dir), mTreeRoot(nullptr), mSelectedNode(nullptr), mpEditor(pEditor), mNewFolder(false), mSyncTree(false)
     {
         mTreeRoot = ReloadAssets(mAssetDirectory);
         mSelectedNode = mTreeRoot;
@@ -58,6 +58,7 @@ namespace editor
         if (ImGui::BeginChild("Directory Tree", ImVec2(wind_size.x * 0.15f, wind_size.y), true, ImGuiWindowFlags_NoCollapse))
         {
             DoDirTree(mAssetDirectory);
+            mSyncTree = false;
         }
         ImGui::EndChild();
 
@@ -85,6 +86,24 @@ namespace editor
                 //     }
                 // }
 
+                // List directories
+                for(auto const& dir_entry: std::filesystem::directory_iterator{mSelectedDir})
+                {
+                    if (dir_entry.is_directory())
+                    {
+                        ImGui::Text("DIRECTORY: %s", dir_entry.path().filename().string().c_str());
+                        if (ImGui::IsItemHovered() && ImGui::IsMouseDoubleClicked(ImGuiMouseButton_Left))
+                        {
+                            // TODO: Open relevant editor
+                            Logger::Info(Editor::LogCat, "Directory double clicked on. Open Folder");
+                            
+                            // This will force open the tree nodes on the next update so the tree is synced with the content window
+                            mSelectedDir = dir_entry.path();
+                            mSyncTree = true;                             
+                        }
+                    }
+                }
+
                 std::filesystem::path selected_final = mpEditor->GetProject()->MakeRelativeToAssets(mSelectedDir);
                 std::vector<EditorAsset*> assets;
                 ContentManager::GetInstance().GetAllAssetsInDirectory(assets, selected_final);
@@ -96,7 +115,12 @@ namespace editor
                         // TODO: Show properties if this is new selection (meaning wasn't selected last frame)
                         Logger::Info(Editor::LogCat, "Asset selected. Properties shold show in the PropertiesView Panel");
                     }
-
+                    if (ImGui::BeginDragDropSource())
+                    {
+                        ImGui::SetDragDropPayload("EditorAsset", (void*)(*iter), sizeof(EditorAsset));
+                        ImGui::Text("%s", (*iter)->GetFileLocation().stem().string().c_str());
+                        ImGui::EndDragDropSource();
+                    }
                     if (ImGui::IsItemHovered() && ImGui::IsMouseDoubleClicked(ImGuiMouseButton_Left))
                     {
                         // TODO: Open relevant editor
@@ -104,15 +128,7 @@ namespace editor
                     }
                 }
 
-                if (ImGui::BeginPopupContextWindow(0, 1, false))
-                {
-                    if (ImGui::Button("Click Me!"))
-                    {
-                        Logger::Info(Editor::LogCat, "Context menu button clicked!");
-                    }
-
-                    ImGui::EndPopup();
-                }
+               DoContextMenu();
             }
         }
         ImGui::EndChild();
@@ -129,9 +145,30 @@ namespace editor
         if (!std::filesystem::is_directory(dir))
             return;
 
-        if (ImGui::TreeNode(dir.filename().string().c_str()))
+        std::string next_node_name = dir.filename().string();
+        if (mSyncTree && mSelectedDir.string().find(next_node_name) != std::string::npos)
         {
-            mSelectedDir = dir;
+            ImGui::SetNextItemOpen(true);
+        }
+        if (ImGui::TreeNode(next_node_name.c_str()))
+        {
+            if (!mSyncTree)
+            {
+                mSelectedDir = dir;
+                if (ImGui::BeginDragDropTarget())
+                {
+                    if (const ImGuiPayload* payload = ImGui::AcceptDragDropPayload("EditorAsset"))
+                    {
+                        EditorAsset* pAsset = (EditorAsset*) payload->Data;
+                        Logger::Info(Editor::LogCat, "Dropping asset: %s - To: %s", 
+                                    pAsset->GetFileLocation().stem().string().c_str(), mSelectedDir.string().c_str());
+                        
+                        // TODO: Handle moving the asset
+                    }
+                    ImGui::EndDragDropTarget();
+                }                                           
+            }
+            
             for(auto const& dir_entry: std::filesystem::directory_iterator{dir})
             {
                 DoDirTree(dir_entry);
@@ -140,6 +177,37 @@ namespace editor
         }
     }
 
+    void AssetBrowser::DoContextMenu()
+    {
+        if (ImGui::BeginPopupContextWindow(0, 1, false))
+        {
+            if (ImGui::Button("New Folder"))
+            {
+                mNewFolder = true;     
+            }
+
+            // TODO: Buttons for creating/importing new assets
+            ImGui::EndPopup();
+        }
+
+        if (ImGui::BeginPopupContextItem("New Folder Name"))
+        {
+            char name_buf[64] = "New Folder";
+            ImGui::TextUnformatted("Folder Name: ");
+            ImGui::SameLine();
+            if (ImGui::InputText("##Folder Name", name_buf, 64, ImGuiInputTextFlags_AutoSelectAll | ImGuiInputTextFlags_EnterReturnsTrue))
+            {
+                std::filesystem::create_directory(mSelectedDir / name_buf);
+                mNewFolder = false;
+                ImGui::CloseCurrentPopup();
+            }
+            ImGui::EndPopup();
+        }
+
+        if (mNewFolder)
+            ImGui::OpenPopup("New Folder Name");
+    }
+
     AssetBrowser::Node* AssetBrowser::ReloadAssets(std::filesystem::path dir)
     {
         if ("" == dir)

src/run_modes/editor/panels/asset_browser.h

@@ -44,12 +44,15 @@ namespace editor
         Node* mTreeRoot;
         Node* mSelectedNode;
         Editor* mpEditor;
+        bool mNewFolder;
+        bool mSyncTree;
 
     private:
         Node* ReloadAssets(std::filesystem::path dir);
         Node* FindNodeAt(std::filesystem::path dir);
 
         void DoDirTree(std::filesystem::path dir);
+        void DoContextMenu();
     };
 }
 }