property_tree_delegate.cpp

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/*
 * Copyright (c) 2012, Willow Garage, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the Willow Garage, Inc. nor the names of its
 *       contributors may be used to endorse or promote products derived from
 *       this software without specific prior written permission.
 *
 * 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 COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 */

#include <QAbstractItemView>

#include "rviz/properties/property.h"
#include "rviz/properties/line_edit_with_button.h"

#include "rviz/properties/property_tree_delegate.h"

namespace rviz
{

PropertyTreeDelegate::PropertyTreeDelegate( QObject* parent_object )
    : QStyledItemDelegate( parent_object )
{
}

void PropertyTreeDelegate::paint( QPainter * painter,
                                  const QStyleOptionViewItem & option,
                                  const QModelIndex & index ) const
{
  Property* prop = static_cast<Property*>( index.internalPointer() );
  if( !prop || !prop->paint( painter, option ))
  {
    QStyledItemDelegate::paint( painter, option, index );
  }
}

QWidget *PropertyTreeDelegate::createEditor( QWidget *parent,
                                             const QStyleOptionViewItem & option,
                                             const QModelIndex &index ) const
{
  Property* prop = static_cast<Property*>( index.internalPointer() );
  if( !prop || prop->getReadOnly())
  {
    return 0;
  }
  
  if( QWidget* editor = prop->createEditor( parent, option ))
  {
    return editor;
  }
  return QStyledItemDelegate::createEditor( parent, option, index );
}

} // end namespace rviz