qgsprocessingpointcloudexpressionlineedit.h

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/***************************************************************************
                         qgsprocessingpointcloudexpressionlineedit.h
                         ---------------------
    begin                : April 2023
    copyright            : (C) 2023 by Alexander Bruy
    email                : alexander dot bruy at gmail dot com
 ***************************************************************************/
 
/***************************************************************************
 *                                                                         *
 *   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 QGSPROCESSINGPOINTCLOUDEXPRESSIONLINEEDIT_H
#define QGSPROCESSINGPOINTCLOUDEXPRESSIONLINEEDIT_H
 
 
#include "ui_qgsprocessingpointcloudexpressiondialogbase.h"
 
#include "qgis.h"
#include "qgis_gui.h"
 
#include <QDialog>
#include <QModelIndex>
#include <QStandardItem>
#include <QStandardItemModel>
#include <QWidget>
 
#define SIP_NO_FILE
 
class QgsFilterLineEdit;
class QToolButton;
class QgsPointCloudLayer;


class GUI_EXPORT QgsProcessingPointCloudExpressionLineEdit : public QWidget
{
    Q_OBJECT
 
  public:
    explicit QgsProcessingPointCloudExpressionLineEdit( QWidget *parent SIP_TRANSFERTHIS = nullptr );
    ~QgsProcessingPointCloudExpressionLineEdit() override;

    void setLayer( QgsPointCloudLayer *layer );

    QgsPointCloudLayer *layer() const;

    QString expression() const;
 
  signals:

    void expressionChanged( const QString &expression );
 
  public slots:

    void setExpression( const QString &expression );
 
  private slots:
 
    void expressionEdited( const QString &expression );
    void expressionEdited();

    void editExpression();
 
  private:
    QgsFilterLineEdit *mLineEdit = nullptr;
    QToolButton *mButton = nullptr;
    QgsPointCloudLayer *mLayer = nullptr;
};

class GUI_EXPORT QgsProcessingPointCloudExpressionDialog : public QDialog, private Ui::QgsProcessingPointCloudExpressionDialogBase
{
    Q_OBJECT
 
  public:
    QgsProcessingPointCloudExpressionDialog( QgsPointCloudLayer *layer, const QString &startExpression = QString(), QWidget *parent = nullptr );

    void setExpression( const QString &text );

    QString expression();
 
  private slots:

    void test();

    void clear();
 
    void lstAttributes_currentChanged( const QModelIndex &current, const QModelIndex &previous );
    void lstAttributes_doubleClicked( const QModelIndex &index );
    void lstValues_doubleClicked( const QModelIndex &index );
    void btnEqual_clicked();
    void btnLessThan_clicked();
    void btnGreaterThan_clicked();
    void btnIn_clicked();
    void btnNotIn_clicked();
    void btnLessEqual_clicked();
    void btnGreaterEqual_clicked();
    void btnNotEqual_clicked();
    void btnAnd_clicked();
    void btnOr_clicked();
 
  private:
    void populateAttributes();

    QStandardItemModel *mModelAttributes = nullptr;

    QStandardItemModel *mModelValues = nullptr;
 
    QgsPointCloudLayer *mLayer = nullptr;
    const QString mInitialText;
};

#endif // QGSPROCESSINGPOINTCLOUDEXPRESSIONLINEEDIT_H