pqProxySILModel.h

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/*=========================================================================

   Program: ParaView
   Module:    pqProxySILModel.h

   Copyright (c) 2005,2006 Sandia Corporation, Kitware Inc.
   All rights reserved.

   ParaView is a free software; you can redistribute it and/or modify it
   under the terms of the ParaView license version 1.2.

   See License_v1.2.txt for the full ParaView license.
   A copy of this license can be obtained by contacting
   Kitware Inc.
   28 Corporate Drive
   Clifton Park, NY 12065
   USA

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

========================================================================*/
#ifndef pqProxySILModel_h
#define pqProxySILModel_h

#include "pqComponentsModule.h"
#include "pqTimer.h"
#include <QAbstractProxyModel>

#include <QPixmap>

class PQCOMPONENTS_EXPORT pqProxySILModel : public QAbstractProxyModel
{
  Q_OBJECT
  typedef QAbstractProxyModel Superclass;
  Q_PROPERTY(QList<QVariant> values READ values WRITE setValues)

public:
  pqProxySILModel(const QString& hierarchyName, QObject* parent = 0);
  ~pqProxySILModel() override;

  int rowCount(const QModelIndex& theParent = QModelIndex()) const override
  {
    return this->sourceModel()->rowCount(this->mapToSource(theParent));
  }

  int columnCount(const QModelIndex& theParent = QModelIndex()) const override
  {
    return this->sourceModel()->columnCount(this->mapToSource(theParent));
  }

  bool hasChildren(const QModelIndex& theParent = QModelIndex()) const override
  {
    return this->sourceModel()->hasChildren(this->mapToSource(theParent));
  }

  QModelIndex index(
    int row, int column, const QModelIndex& theParent = QModelIndex()) const override
  {
    QModelIndex sourceIndex = this->sourceModel()->index(row, column, this->mapToSource(theParent));
    return this->mapFromSource(sourceIndex);
  }

  QModelIndex parent(const QModelIndex& theIndex) const override
  {
    QModelIndex sourceIndex = this->sourceModel()->parent(this->mapToSource(theIndex));
    return this->mapFromSource(sourceIndex);
  }

  bool setData(const QModelIndex& theIndex, const QVariant& value, int role = Qt::EditRole) override
  {
    return this->sourceModel()->setData(this->mapToSource(theIndex), value, role);
  }

  QModelIndex mapFromSource(const QModelIndex& sourceIndex) const override;
  QModelIndex mapToSource(const QModelIndex& proxyIndex) const override;
  void setSourceModel(QAbstractItemModel* sourceModel) override;

  QVariant headerData(int, Qt::Orientation, int role = Qt::DisplayRole) const override;

  bool setHeaderData(int section, Qt::Orientation orientation, const QVariant& value,
    int role = Qt::EditRole) override;

  QVariant data(const QModelIndex& proxyIndex, int role = Qt::DisplayRole) const override;

  Qt::ItemFlags flags(const QModelIndex& index) const override;

  QList<QVariant> values() const;

  void setNoCheckBoxes(bool val);

  void setHeaderTitle(QString& title);

public Q_SLOTS:
  void setValues(const QList<QVariant>&);

Q_SIGNALS:
  void valuesChanged();

protected Q_SLOTS:
  void sourceDataChanged(const QModelIndex& idx1, const QModelIndex& idx2)
  {
    QModelIndex pidx1 = this->mapFromSource(idx1);
    QModelIndex pidx2 = this->mapFromSource(idx2);
    if (!pidx1.isValid() || !pidx2.isValid())
    {
      // index is root, that mean header data may have changed as well.
      Q_EMIT this->headerDataChanged(Qt::Horizontal, 0, 0);
    }
    Q_EMIT this->dataChanged(pidx1, pidx2);
  }

  void onCheckStatusChanged();

private:
  Q_DISABLE_COPY(pqProxySILModel)

  pqTimer DelayedValuesChangedSignalTimer;
  QPixmap CheckboxPixmaps[3];
  QString HierarchyName;
  bool noCheckBoxes;
  QString HeaderTitle;
};

#endif