ATreeView.h

/*
 * AUI Framework - Declarative UI toolkit for modern C++20
 * Copyright (C) 2020-2024 Alex2772 and Contributors
 *
 * SPDX-License-Identifier: MPL-2.0
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
 
//
// Created by alex2 on 7/1/2021.
//
 
 
#pragma once
 
 
#include "AUI/Model/ATreeModelIndex.h"
#include "AViewContainer.h"
#include "AScrollbar.h"
#include <AUI/Model/ITreeModel.h>

class API_AUI_VIEWS ATreeView: public AViewContainerBase {
private:
   class ContainerView;
   class ItemView;
 
public:
   ATreeView();
   ATreeView(const _<ITreeModel<AString>>& model);
   void setModel(const _<ITreeModel<AString>>& model);
   void onScroll(const AScrollEvent& event) override;
   void setSize(glm::ivec2 size) override;
   int getContentMinimumHeight() override;
   void handleMouseMove(ItemView* pView);
 
   void setViewFactory(const std::function<_<AView>(const _<ITreeModel<AString>>&, const ATreeModelIndex&)>& viewFactory) {
       mViewFactory = viewFactory;
   }
 
   void select(const ATreeModelIndex& indexToSelect);
 
signals:
   emits<ATreeModelIndex> itemSelected;
   emits<ATreeModelIndex> itemMouseClicked;
   emits<ATreeModelIndex> itemMouseDoubleClicked;
   emits<ATreeModelIndex> itemMouseHover;
 
private:
   _<ITreeModel<AString>> mModel;
   _<ContainerView> mContent;
   _<AScrollbar> mScrollbar;
   _weak<ItemView> mPrevSelection;
 
   std::function<_<AView>(const _<ITreeModel<AString>>&, const ATreeModelIndex& index)> mViewFactory;
 
 
   void updateScrollbarDimensions();
   void handleMousePressed(ItemView* v);
   void handleMouseDoubleClicked(ItemView* v);
   void handleSelected(ItemView* v);
 
   void fillViewsRecursively(const _<AViewContainer>& content, const ATreeModelIndexOrRoot& index);
   void makeElement(const _<AViewContainer>& container, const ATreeModelIndex& childIndex, bool isGroup, const _<ATreeView::ItemView>& itemView);
   _<ItemView> indexToView(const ATreeModelIndex& target);
};
 
 

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