qgsattributesformtreeviewindicatorprovider.h

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/***************************************************************************
    qgsattributesformtreeviewindicatorprovider.h
    ---------------------
    begin                : June 2025
    copyright            : (C) 2025 by Germán Carrillo
    email                : german at opengis dot ch
 ***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
 
#ifndef QGSATTRIBUTESFORMTREEVIEWINDICATORPROVIDER_H
#define QGSATTRIBUTESFORMTREEVIEWINDICATORPROVIDER_H
 
// We don't want to expose this in the public API
#define SIP_NO_FILE
 
#include "qgsattributesformtreeviewindicator.h"
#include "qgsattributesformview.h"
 
#include <QObject>

class QgsAttributesFormTreeViewIndicatorProvider : public QObject
{
    Q_OBJECT
  public:

    explicit QgsAttributesFormTreeViewIndicatorProvider( QgsAttributesFormBaseView *view );

    bool isEnabled() const;

    void setEnabled( bool enabled );
 
  public slots:

    void updateItemIndicator( QgsAttributesFormItem *item );
 
  protected slots:
    void onAddedChildren( QgsAttributesFormItem *item, int indexFrom, int indexTo );
 
  private:
    // Subclasses MUST override:
    virtual bool acceptsItem( QgsAttributesFormItem *item ) = 0;
    virtual QString iconName( QgsAttributesFormItem *item ) = 0;
    virtual QString tooltipText( QgsAttributesFormItem *item ) = 0;
    // End MUST overrides

    std::unique_ptr<QgsAttributesFormTreeViewIndicator> newIndicator( QgsAttributesFormItem *item );

    void removeItemIndicator( QgsAttributesFormItem *item );
 
  protected:
    QgsAttributesFormBaseView *mAttributesFormTreeView = nullptr;
    QSet<QgsAttributesFormTreeViewIndicator *> mIndicators;
    bool mEnabled = false;
};
 

class QgsFieldConstraintIndicatorProvider : public QgsAttributesFormTreeViewIndicatorProvider
{
    Q_OBJECT
 
  public:

    explicit QgsFieldConstraintIndicatorProvider( QgsAttributesFormBaseView *view );
 
  private:
    bool acceptsItem( QgsAttributesFormItem *item ) override;
    QString iconName( QgsAttributesFormItem *item ) override;
    QString tooltipText( QgsAttributesFormItem *item ) override;
};
 

class QgsFieldDefaultValueIndicatorProvider : public QgsAttributesFormTreeViewIndicatorProvider
{
    Q_OBJECT
 
  public:

    explicit QgsFieldDefaultValueIndicatorProvider( QgsAttributesFormBaseView *view );
 
  private:
    bool acceptsItem( QgsAttributesFormItem *item ) override;
    QString iconName( QgsAttributesFormItem *item ) override;
    QString tooltipText( QgsAttributesFormItem *item ) override;
};
 
#endif // QGSATTRIBUTESFORMTREEVIEWINDICATORPROVIDER_H