LayerWidget.h

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/*--------------------------------------------------------------------------------------------
Copyright (c) 2019, NDEVR LLC
tyler.parke@ndevr.org
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 |  \  |  | |  __ \  |  ___|\ \   / / |   __  \
 |   \ |  | | |  \ \ | |___  \ \ / /  |  |__)  |
 |  . \|  | | |__/ / | |___   \ V /   |   _   /
 |  |\    |_|_____/__|_____|___\_/____|  | \  \
 |__| \__________________________________|  \__\
 
Subject to the terms of the Enterprise+ Agreement, NDEVR hereby grants 
Licensee a limited, non-exclusive, non-transferable, royalty-free license 
(without the right to sublicense) to use the API solely for the purpose of 
Licensee's internal development efforts to develop applications for which 
the API was provided.
 
The above copyright notice and this permission notice shall be included in all 
copies or substantial portions of the Software.
 
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
 
Library: NDEVR
File: LayerWidget
Included in API: True
Author(s): Tyler Parke
 *-----------------------------------------------------------------------------------------**/
#pragma once
#include "DLLInfo.h"
#include <NDEVR/QTModelManager.h>
#include <NDEVR/QTDesignObject.h>
#include <QAbstractItemModel>
#include <QIcon>
#include <QWidget>
namespace Ui
{
    class LayerWidgetUI;
}
namespace NDEVR
{
    class LayerTable;
    /**--------------------------------------------------------------------------------------------------
    \brief Stores cached information for the LayerModel
    **/
    struct LayerCacheObject
    {
        QIcon icon;
        QString name;
        QString description;
        RGBColor color = Constant<RGBColor>::Invalid;
        bool is_visible = false;
        bool is_selected = false;
    };
    /**--------------------------------------------------------------------------------------------------
    \brief Used for showing Layers in a table using the QAbstractItemModel interface.
    **/
    class LayerModel : public QAbstractItemModel
    {
        Q_OBJECT
    public:
        LayerModel(QTModelManager* manager);
        QModelIndex index(int row, int column, const QModelIndex& parent = QModelIndex()) const override;
        QModelIndex parent(const QModelIndex& child) const override;
        int rowCount(const QModelIndex& parent = QModelIndex()) const override;
        int columnCount(const QModelIndex& parent = QModelIndex()) const override;
        bool hasChildren(const QModelIndex& parent = QModelIndex()) const override;
        QVector<int> cacheObject(UUID id);
        const Buffer<UUID>& layers() const { return m_layers; }
        QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
        bool setData(const QModelIndex& index, const QVariant& value, int role = Qt::EditRole) override;
    protected slots:
        void layerAddedSlot(Buffer<UUID> layer);
        void layerUpdated(UUID layer);
        void onClearAllSlot();
    protected:
        Buffer<UUID> m_layers;
        QTModelManager* m_manager;
        mutable Dictionary<UUID, LayerCacheObject> m_layer_cache;
    };
    /**--------------------------------------------------------------------------------------------------
    \brief A widget that allows the user to set or interface with the current layer.
    **/
    class NDEVR_API LayerWidget : public QWidget
    {
        Q_OBJECT
    public:
        LayerWidget(QTModelManager* manager, QWidget *parent = nullptr);
        LayerWidget(QWidget* parent = nullptr);
        void setModelManager(QTModelManager* manager);
        void setCurrentLayer(UUID layer);
        DynamicPointer<QTDesignObject> currentLayer() const;
        void clearCurrentLayer();
    protected slots:
        void objectsSelectedSlot(Buffer<UUID> objects, bool selected);
        void currentLayerDeletedSlot();
        void currentLayerUpdatedSlot();
        void layerSelectedSlot(UUID layer);
    signals:
        void currentLayerChangedSignal();
    protected:
        void updateWidget();
        void updateLayerCombo();
        void init();
        bool event(QEvent* ev) override;
        
    protected:
        LayerModel* m_layer_model;
        DynamicPointer<QTDesignObject> m_current_layer;
        Dictionary<UUID, UUID> m_layer_material_lookup;
        QTModelManager* m_manager;
        LayerTable* m_layer_table;
        Ui::LayerWidgetUI* ui;
    };
}